gdiplus: Write FillRects records to metafiles.
[wine/wine-gecko.git] / dlls / gdiplus / graphics.c
blob122581df782038db679ae8fd6b705c27fa445a6a
1 /*
2 * Copyright (C) 2007 Google (Evan Stade)
4 * This library is free software; you can redistribute it and/or
5 * modify it under the terms of the GNU Lesser General Public
6 * License as published by the Free Software Foundation; either
7 * version 2.1 of the License, or (at your option) any later version.
9 * This library is distributed in the hope that it will be useful,
10 * but WITHOUT ANY WARRANTY; without even the implied warranty of
11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
12 * Lesser General Public License for more details.
14 * You should have received a copy of the GNU Lesser General Public
15 * License along with this library; if not, write to the Free Software
16 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
19 #include <stdarg.h>
20 #include <math.h>
21 #include <limits.h>
23 #include "windef.h"
24 #include "winbase.h"
25 #include "winuser.h"
26 #include "wingdi.h"
27 #include "wine/unicode.h"
29 #define COBJMACROS
30 #include "objbase.h"
31 #include "ocidl.h"
32 #include "olectl.h"
33 #include "ole2.h"
35 #include "winreg.h"
36 #include "shlwapi.h"
38 #include "gdiplus.h"
39 #include "gdiplus_private.h"
40 #include "wine/debug.h"
41 #include "wine/list.h"
43 WINE_DEFAULT_DEBUG_CHANNEL(gdiplus);
45 /* looks-right constants */
46 #define ANCHOR_WIDTH (2.0)
47 #define MAX_ITERS (50)
49 static GpStatus draw_driver_string(GpGraphics *graphics, GDIPCONST UINT16 *text, INT length,
50 GDIPCONST GpFont *font, GDIPCONST GpStringFormat *format,
51 GDIPCONST GpBrush *brush, GDIPCONST PointF *positions,
52 INT flags, GDIPCONST GpMatrix *matrix);
54 static GpStatus get_graphics_transform(GpGraphics *graphics, GpCoordinateSpace dst_space,
55 GpCoordinateSpace src_space, GpMatrix *matrix);
57 /* Converts from gdiplus path point type to gdi path point type. */
58 static BYTE convert_path_point_type(BYTE type)
60 BYTE ret;
62 switch(type & PathPointTypePathTypeMask){
63 case PathPointTypeBezier:
64 ret = PT_BEZIERTO;
65 break;
66 case PathPointTypeLine:
67 ret = PT_LINETO;
68 break;
69 case PathPointTypeStart:
70 ret = PT_MOVETO;
71 break;
72 default:
73 ERR("Bad point type\n");
74 return 0;
77 if(type & PathPointTypeCloseSubpath)
78 ret |= PT_CLOSEFIGURE;
80 return ret;
83 static COLORREF get_gdi_brush_color(const GpBrush *brush)
85 ARGB argb;
87 switch (brush->bt)
89 case BrushTypeSolidColor:
91 const GpSolidFill *sf = (const GpSolidFill *)brush;
92 argb = sf->color;
93 break;
95 case BrushTypeHatchFill:
97 const GpHatch *hatch = (const GpHatch *)brush;
98 argb = hatch->forecol;
99 break;
101 case BrushTypeLinearGradient:
103 const GpLineGradient *line = (const GpLineGradient *)brush;
104 argb = line->startcolor;
105 break;
107 case BrushTypePathGradient:
109 const GpPathGradient *grad = (const GpPathGradient *)brush;
110 argb = grad->centercolor;
111 break;
113 default:
114 FIXME("unhandled brush type %d\n", brush->bt);
115 argb = 0;
116 break;
118 return ARGB2COLORREF(argb);
121 static HBITMAP create_hatch_bitmap(const GpHatch *hatch)
123 HBITMAP hbmp;
124 BITMAPINFOHEADER bmih;
125 DWORD *bits;
126 int x, y;
128 bmih.biSize = sizeof(bmih);
129 bmih.biWidth = 8;
130 bmih.biHeight = 8;
131 bmih.biPlanes = 1;
132 bmih.biBitCount = 32;
133 bmih.biCompression = BI_RGB;
134 bmih.biSizeImage = 0;
136 hbmp = CreateDIBSection(0, (BITMAPINFO *)&bmih, DIB_RGB_COLORS, (void **)&bits, NULL, 0);
137 if (hbmp)
139 const char *hatch_data;
141 if (get_hatch_data(hatch->hatchstyle, &hatch_data) == Ok)
143 for (y = 0; y < 8; y++)
145 for (x = 0; x < 8; x++)
147 if (hatch_data[y] & (0x80 >> x))
148 bits[y * 8 + x] = hatch->forecol;
149 else
150 bits[y * 8 + x] = hatch->backcol;
154 else
156 FIXME("Unimplemented hatch style %d\n", hatch->hatchstyle);
158 for (y = 0; y < 64; y++)
159 bits[y] = hatch->forecol;
163 return hbmp;
166 static GpStatus create_gdi_logbrush(const GpBrush *brush, LOGBRUSH *lb)
168 switch (brush->bt)
170 case BrushTypeSolidColor:
172 const GpSolidFill *sf = (const GpSolidFill *)brush;
173 lb->lbStyle = BS_SOLID;
174 lb->lbColor = ARGB2COLORREF(sf->color);
175 lb->lbHatch = 0;
176 return Ok;
179 case BrushTypeHatchFill:
181 const GpHatch *hatch = (const GpHatch *)brush;
182 HBITMAP hbmp;
184 hbmp = create_hatch_bitmap(hatch);
185 if (!hbmp) return OutOfMemory;
187 lb->lbStyle = BS_PATTERN;
188 lb->lbColor = 0;
189 lb->lbHatch = (ULONG_PTR)hbmp;
190 return Ok;
193 default:
194 FIXME("unhandled brush type %d\n", brush->bt);
195 lb->lbStyle = BS_SOLID;
196 lb->lbColor = get_gdi_brush_color(brush);
197 lb->lbHatch = 0;
198 return Ok;
202 static GpStatus free_gdi_logbrush(LOGBRUSH *lb)
204 switch (lb->lbStyle)
206 case BS_PATTERN:
207 DeleteObject((HGDIOBJ)(ULONG_PTR)lb->lbHatch);
208 break;
210 return Ok;
213 static HBRUSH create_gdi_brush(const GpBrush *brush)
215 LOGBRUSH lb;
216 HBRUSH gdibrush;
218 if (create_gdi_logbrush(brush, &lb) != Ok) return 0;
220 gdibrush = CreateBrushIndirect(&lb);
221 free_gdi_logbrush(&lb);
223 return gdibrush;
226 static INT prepare_dc(GpGraphics *graphics, GpPen *pen)
228 LOGBRUSH lb;
229 HPEN gdipen;
230 REAL width;
231 INT save_state, i, numdashes;
232 GpPointF pt[2];
233 DWORD dash_array[MAX_DASHLEN];
235 save_state = SaveDC(graphics->hdc);
237 EndPath(graphics->hdc);
239 if(pen->unit == UnitPixel){
240 width = pen->width;
242 else{
243 /* Get an estimate for the amount the pen width is affected by the world
244 * transform. (This is similar to what some of the wine drivers do.) */
245 pt[0].X = 0.0;
246 pt[0].Y = 0.0;
247 pt[1].X = 1.0;
248 pt[1].Y = 1.0;
249 GdipTransformMatrixPoints(&graphics->worldtrans, pt, 2);
250 width = sqrt((pt[1].X - pt[0].X) * (pt[1].X - pt[0].X) +
251 (pt[1].Y - pt[0].Y) * (pt[1].Y - pt[0].Y)) / sqrt(2.0);
253 width *= units_to_pixels(pen->width, pen->unit == UnitWorld ? graphics->unit : pen->unit, graphics->xres);
256 if(pen->dash == DashStyleCustom){
257 numdashes = min(pen->numdashes, MAX_DASHLEN);
259 TRACE("dashes are: ");
260 for(i = 0; i < numdashes; i++){
261 dash_array[i] = gdip_round(width * pen->dashes[i]);
262 TRACE("%d, ", dash_array[i]);
264 TRACE("\n and the pen style is %x\n", pen->style);
266 create_gdi_logbrush(pen->brush, &lb);
267 gdipen = ExtCreatePen(pen->style, gdip_round(width), &lb,
268 numdashes, dash_array);
269 free_gdi_logbrush(&lb);
271 else
273 create_gdi_logbrush(pen->brush, &lb);
274 gdipen = ExtCreatePen(pen->style, gdip_round(width), &lb, 0, NULL);
275 free_gdi_logbrush(&lb);
278 SelectObject(graphics->hdc, gdipen);
280 return save_state;
283 static void restore_dc(GpGraphics *graphics, INT state)
285 DeleteObject(SelectObject(graphics->hdc, GetStockObject(NULL_PEN)));
286 RestoreDC(graphics->hdc, state);
289 /* This helper applies all the changes that the points listed in ptf need in
290 * order to be drawn on the device context. In the end, this should include at
291 * least:
292 * -scaling by page unit
293 * -applying world transformation
294 * -converting from float to int
295 * Native gdiplus uses gdi32 to do all this (via SetMapMode, SetViewportExtEx,
296 * SetWindowExtEx, SetWorldTransform, etc.) but we cannot because we are using
297 * gdi to draw, and these functions would irreparably mess with line widths.
299 static void transform_and_round_points(GpGraphics *graphics, POINT *pti,
300 GpPointF *ptf, INT count)
302 REAL scale_x, scale_y;
303 GpMatrix matrix;
304 int i;
306 scale_x = units_to_pixels(1.0, graphics->unit, graphics->xres);
307 scale_y = units_to_pixels(1.0, graphics->unit, graphics->yres);
309 /* apply page scale */
310 if(graphics->unit != UnitDisplay)
312 scale_x *= graphics->scale;
313 scale_y *= graphics->scale;
316 matrix = graphics->worldtrans;
317 GdipScaleMatrix(&matrix, scale_x, scale_y, MatrixOrderAppend);
318 GdipTransformMatrixPoints(&matrix, ptf, count);
320 for(i = 0; i < count; i++){
321 pti[i].x = gdip_round(ptf[i].X);
322 pti[i].y = gdip_round(ptf[i].Y);
326 static void gdi_alpha_blend(GpGraphics *graphics, INT dst_x, INT dst_y, INT dst_width, INT dst_height,
327 HDC hdc, INT src_x, INT src_y, INT src_width, INT src_height)
329 if (GetDeviceCaps(graphics->hdc, SHADEBLENDCAPS) == SB_NONE)
331 TRACE("alpha blending not supported by device, fallback to StretchBlt\n");
333 StretchBlt(graphics->hdc, dst_x, dst_y, dst_width, dst_height,
334 hdc, src_x, src_y, src_width, src_height, SRCCOPY);
336 else
338 BLENDFUNCTION bf;
340 bf.BlendOp = AC_SRC_OVER;
341 bf.BlendFlags = 0;
342 bf.SourceConstantAlpha = 255;
343 bf.AlphaFormat = AC_SRC_ALPHA;
345 GdiAlphaBlend(graphics->hdc, dst_x, dst_y, dst_width, dst_height,
346 hdc, src_x, src_y, src_width, src_height, bf);
350 static GpStatus get_clip_hrgn(GpGraphics *graphics, HRGN *hrgn)
352 /* clipping region is in device coords */
353 return GdipGetRegionHRgn(graphics->clip, NULL, hrgn);
356 /* Draw non-premultiplied ARGB data to the given graphics object */
357 static GpStatus alpha_blend_bmp_pixels(GpGraphics *graphics, INT dst_x, INT dst_y,
358 const BYTE *src, INT src_width, INT src_height, INT src_stride)
360 GpBitmap *dst_bitmap = (GpBitmap*)graphics->image;
361 INT x, y;
363 for (x=0; x<src_width; x++)
365 for (y=0; y<src_height; y++)
367 ARGB dst_color, src_color;
368 GdipBitmapGetPixel(dst_bitmap, x+dst_x, y+dst_y, &dst_color);
369 src_color = ((ARGB*)(src + src_stride * y))[x];
370 GdipBitmapSetPixel(dst_bitmap, x+dst_x, y+dst_y, color_over(dst_color, src_color));
374 return Ok;
377 static GpStatus alpha_blend_hdc_pixels(GpGraphics *graphics, INT dst_x, INT dst_y,
378 const BYTE *src, INT src_width, INT src_height, INT src_stride)
380 HDC hdc;
381 HBITMAP hbitmap;
382 BITMAPINFOHEADER bih;
383 BYTE *temp_bits;
385 hdc = CreateCompatibleDC(0);
387 bih.biSize = sizeof(BITMAPINFOHEADER);
388 bih.biWidth = src_width;
389 bih.biHeight = -src_height;
390 bih.biPlanes = 1;
391 bih.biBitCount = 32;
392 bih.biCompression = BI_RGB;
393 bih.biSizeImage = 0;
394 bih.biXPelsPerMeter = 0;
395 bih.biYPelsPerMeter = 0;
396 bih.biClrUsed = 0;
397 bih.biClrImportant = 0;
399 hbitmap = CreateDIBSection(hdc, (BITMAPINFO*)&bih, DIB_RGB_COLORS,
400 (void**)&temp_bits, NULL, 0);
402 if (GetDeviceCaps(graphics->hdc, SHADEBLENDCAPS) == SB_NONE)
403 memcpy(temp_bits, src, src_width * src_height * 4);
404 else
405 convert_32bppARGB_to_32bppPARGB(src_width, src_height, temp_bits,
406 4 * src_width, src, src_stride);
408 SelectObject(hdc, hbitmap);
409 gdi_alpha_blend(graphics, dst_x, dst_y, src_width, src_height,
410 hdc, 0, 0, src_width, src_height);
411 DeleteDC(hdc);
412 DeleteObject(hbitmap);
414 return Ok;
417 static GpStatus alpha_blend_pixels_hrgn(GpGraphics *graphics, INT dst_x, INT dst_y,
418 const BYTE *src, INT src_width, INT src_height, INT src_stride, HRGN hregion)
420 GpStatus stat=Ok;
422 if (graphics->image && graphics->image->type == ImageTypeBitmap)
424 DWORD i;
425 int size;
426 RGNDATA *rgndata;
427 RECT *rects;
428 HRGN hrgn, visible_rgn;
430 hrgn = CreateRectRgn(dst_x, dst_y, dst_x + src_width, dst_y + src_height);
431 if (!hrgn)
432 return OutOfMemory;
434 stat = get_clip_hrgn(graphics, &visible_rgn);
435 if (stat != Ok)
437 DeleteObject(hrgn);
438 return stat;
441 if (visible_rgn)
443 CombineRgn(hrgn, hrgn, visible_rgn, RGN_AND);
444 DeleteObject(visible_rgn);
447 if (hregion)
448 CombineRgn(hrgn, hrgn, hregion, RGN_AND);
450 size = GetRegionData(hrgn, 0, NULL);
452 rgndata = GdipAlloc(size);
453 if (!rgndata)
455 DeleteObject(hrgn);
456 return OutOfMemory;
459 GetRegionData(hrgn, size, rgndata);
461 rects = (RECT*)rgndata->Buffer;
463 for (i=0; stat == Ok && i<rgndata->rdh.nCount; i++)
465 stat = alpha_blend_bmp_pixels(graphics, rects[i].left, rects[i].top,
466 &src[(rects[i].left - dst_x) * 4 + (rects[i].top - dst_y) * src_stride],
467 rects[i].right - rects[i].left, rects[i].bottom - rects[i].top,
468 src_stride);
471 GdipFree(rgndata);
473 DeleteObject(hrgn);
475 return stat;
477 else if (graphics->image && graphics->image->type == ImageTypeMetafile)
479 ERR("This should not be used for metafiles; fix caller\n");
480 return NotImplemented;
482 else
484 HRGN hrgn;
485 int save;
487 stat = get_clip_hrgn(graphics, &hrgn);
489 if (stat != Ok)
490 return stat;
492 save = SaveDC(graphics->hdc);
494 if (hrgn)
495 ExtSelectClipRgn(graphics->hdc, hrgn, RGN_AND);
497 if (hregion)
498 ExtSelectClipRgn(graphics->hdc, hregion, RGN_AND);
500 stat = alpha_blend_hdc_pixels(graphics, dst_x, dst_y, src, src_width,
501 src_height, src_stride);
503 RestoreDC(graphics->hdc, save);
505 DeleteObject(hrgn);
507 return stat;
511 static GpStatus alpha_blend_pixels(GpGraphics *graphics, INT dst_x, INT dst_y,
512 const BYTE *src, INT src_width, INT src_height, INT src_stride)
514 return alpha_blend_pixels_hrgn(graphics, dst_x, dst_y, src, src_width, src_height, src_stride, NULL);
517 static ARGB blend_colors(ARGB start, ARGB end, REAL position)
519 ARGB result=0;
520 ARGB i;
521 INT a1, a2, a3;
523 a1 = (start >> 24) & 0xff;
524 a2 = (end >> 24) & 0xff;
526 a3 = (int)(a1*(1.0f - position)+a2*(position));
528 result |= a3 << 24;
530 for (i=0xff; i<=0xff0000; i = i << 8)
531 result |= (int)((start&i)*(1.0f - position)+(end&i)*(position))&i;
532 return result;
535 static ARGB blend_line_gradient(GpLineGradient* brush, REAL position)
537 REAL blendfac;
539 /* clamp to between 0.0 and 1.0, using the wrap mode */
540 if (brush->wrap == WrapModeTile)
542 position = fmodf(position, 1.0f);
543 if (position < 0.0f) position += 1.0f;
545 else /* WrapModeFlip* */
547 position = fmodf(position, 2.0f);
548 if (position < 0.0f) position += 2.0f;
549 if (position > 1.0f) position = 2.0f - position;
552 if (brush->blendcount == 1)
553 blendfac = position;
554 else
556 int i=1;
557 REAL left_blendpos, left_blendfac, right_blendpos, right_blendfac;
558 REAL range;
560 /* locate the blend positions surrounding this position */
561 while (position > brush->blendpos[i])
562 i++;
564 /* interpolate between the blend positions */
565 left_blendpos = brush->blendpos[i-1];
566 left_blendfac = brush->blendfac[i-1];
567 right_blendpos = brush->blendpos[i];
568 right_blendfac = brush->blendfac[i];
569 range = right_blendpos - left_blendpos;
570 blendfac = (left_blendfac * (right_blendpos - position) +
571 right_blendfac * (position - left_blendpos)) / range;
574 if (brush->pblendcount == 0)
575 return blend_colors(brush->startcolor, brush->endcolor, blendfac);
576 else
578 int i=1;
579 ARGB left_blendcolor, right_blendcolor;
580 REAL left_blendpos, right_blendpos;
582 /* locate the blend colors surrounding this position */
583 while (blendfac > brush->pblendpos[i])
584 i++;
586 /* interpolate between the blend colors */
587 left_blendpos = brush->pblendpos[i-1];
588 left_blendcolor = brush->pblendcolor[i-1];
589 right_blendpos = brush->pblendpos[i];
590 right_blendcolor = brush->pblendcolor[i];
591 blendfac = (blendfac - left_blendpos) / (right_blendpos - left_blendpos);
592 return blend_colors(left_blendcolor, right_blendcolor, blendfac);
596 static ARGB transform_color(ARGB color, const ColorMatrix *matrix)
598 REAL val[5], res[4];
599 int i, j;
600 unsigned char a, r, g, b;
602 val[0] = ((color >> 16) & 0xff) / 255.0; /* red */
603 val[1] = ((color >> 8) & 0xff) / 255.0; /* green */
604 val[2] = (color & 0xff) / 255.0; /* blue */
605 val[3] = ((color >> 24) & 0xff) / 255.0; /* alpha */
606 val[4] = 1.0; /* translation */
608 for (i=0; i<4; i++)
610 res[i] = 0.0;
612 for (j=0; j<5; j++)
613 res[i] += matrix->m[j][i] * val[j];
616 a = min(max(floorf(res[3]*255.0), 0.0), 255.0);
617 r = min(max(floorf(res[0]*255.0), 0.0), 255.0);
618 g = min(max(floorf(res[1]*255.0), 0.0), 255.0);
619 b = min(max(floorf(res[2]*255.0), 0.0), 255.0);
621 return (a << 24) | (r << 16) | (g << 8) | b;
624 static BOOL color_is_gray(ARGB color)
626 unsigned char r, g, b;
628 r = (color >> 16) & 0xff;
629 g = (color >> 8) & 0xff;
630 b = color & 0xff;
632 return (r == g) && (g == b);
635 static void apply_image_attributes(const GpImageAttributes *attributes, LPBYTE data,
636 UINT width, UINT height, INT stride, ColorAdjustType type)
638 UINT x, y;
639 INT i;
641 if (attributes->colorkeys[type].enabled ||
642 attributes->colorkeys[ColorAdjustTypeDefault].enabled)
644 const struct color_key *key;
645 BYTE min_blue, min_green, min_red;
646 BYTE max_blue, max_green, max_red;
648 if (attributes->colorkeys[type].enabled)
649 key = &attributes->colorkeys[type];
650 else
651 key = &attributes->colorkeys[ColorAdjustTypeDefault];
653 min_blue = key->low&0xff;
654 min_green = (key->low>>8)&0xff;
655 min_red = (key->low>>16)&0xff;
657 max_blue = key->high&0xff;
658 max_green = (key->high>>8)&0xff;
659 max_red = (key->high>>16)&0xff;
661 for (x=0; x<width; x++)
662 for (y=0; y<height; y++)
664 ARGB *src_color;
665 BYTE blue, green, red;
666 src_color = (ARGB*)(data + stride * y + sizeof(ARGB) * x);
667 blue = *src_color&0xff;
668 green = (*src_color>>8)&0xff;
669 red = (*src_color>>16)&0xff;
670 if (blue >= min_blue && green >= min_green && red >= min_red &&
671 blue <= max_blue && green <= max_green && red <= max_red)
672 *src_color = 0x00000000;
676 if (attributes->colorremaptables[type].enabled ||
677 attributes->colorremaptables[ColorAdjustTypeDefault].enabled)
679 const struct color_remap_table *table;
681 if (attributes->colorremaptables[type].enabled)
682 table = &attributes->colorremaptables[type];
683 else
684 table = &attributes->colorremaptables[ColorAdjustTypeDefault];
686 for (x=0; x<width; x++)
687 for (y=0; y<height; y++)
689 ARGB *src_color;
690 src_color = (ARGB*)(data + stride * y + sizeof(ARGB) * x);
691 for (i=0; i<table->mapsize; i++)
693 if (*src_color == table->colormap[i].oldColor.Argb)
695 *src_color = table->colormap[i].newColor.Argb;
696 break;
702 if (attributes->colormatrices[type].enabled ||
703 attributes->colormatrices[ColorAdjustTypeDefault].enabled)
705 const struct color_matrix *colormatrices;
707 if (attributes->colormatrices[type].enabled)
708 colormatrices = &attributes->colormatrices[type];
709 else
710 colormatrices = &attributes->colormatrices[ColorAdjustTypeDefault];
712 for (x=0; x<width; x++)
713 for (y=0; y<height; y++)
715 ARGB *src_color;
716 src_color = (ARGB*)(data + stride * y + sizeof(ARGB) * x);
718 if (colormatrices->flags == ColorMatrixFlagsDefault ||
719 !color_is_gray(*src_color))
721 *src_color = transform_color(*src_color, &colormatrices->colormatrix);
723 else if (colormatrices->flags == ColorMatrixFlagsAltGray)
725 *src_color = transform_color(*src_color, &colormatrices->graymatrix);
730 if (attributes->gamma_enabled[type] ||
731 attributes->gamma_enabled[ColorAdjustTypeDefault])
733 REAL gamma;
735 if (attributes->gamma_enabled[type])
736 gamma = attributes->gamma[type];
737 else
738 gamma = attributes->gamma[ColorAdjustTypeDefault];
740 for (x=0; x<width; x++)
741 for (y=0; y<height; y++)
743 ARGB *src_color;
744 BYTE blue, green, red;
745 src_color = (ARGB*)(data + stride * y + sizeof(ARGB) * x);
747 blue = *src_color&0xff;
748 green = (*src_color>>8)&0xff;
749 red = (*src_color>>16)&0xff;
751 /* FIXME: We should probably use a table for this. */
752 blue = floorf(powf(blue / 255.0, gamma) * 255.0);
753 green = floorf(powf(green / 255.0, gamma) * 255.0);
754 red = floorf(powf(red / 255.0, gamma) * 255.0);
756 *src_color = (*src_color & 0xff000000) | (red << 16) | (green << 8) | blue;
761 /* Given a bitmap and its source rectangle, find the smallest rectangle in the
762 * bitmap that contains all the pixels we may need to draw it. */
763 static void get_bitmap_sample_size(InterpolationMode interpolation, WrapMode wrap,
764 GpBitmap* bitmap, REAL srcx, REAL srcy, REAL srcwidth, REAL srcheight,
765 GpRect *rect)
767 INT left, top, right, bottom;
769 switch (interpolation)
771 case InterpolationModeHighQualityBilinear:
772 case InterpolationModeHighQualityBicubic:
773 /* FIXME: Include a greater range for the prefilter? */
774 case InterpolationModeBicubic:
775 case InterpolationModeBilinear:
776 left = (INT)(floorf(srcx));
777 top = (INT)(floorf(srcy));
778 right = (INT)(ceilf(srcx+srcwidth));
779 bottom = (INT)(ceilf(srcy+srcheight));
780 break;
781 case InterpolationModeNearestNeighbor:
782 default:
783 left = gdip_round(srcx);
784 top = gdip_round(srcy);
785 right = gdip_round(srcx+srcwidth);
786 bottom = gdip_round(srcy+srcheight);
787 break;
790 if (wrap == WrapModeClamp)
792 if (left < 0)
793 left = 0;
794 if (top < 0)
795 top = 0;
796 if (right >= bitmap->width)
797 right = bitmap->width-1;
798 if (bottom >= bitmap->height)
799 bottom = bitmap->height-1;
801 else
803 /* In some cases we can make the rectangle smaller here, but the logic
804 * is hard to get right, and tiling suggests we're likely to use the
805 * entire source image. */
806 if (left < 0 || right >= bitmap->width)
808 left = 0;
809 right = bitmap->width-1;
812 if (top < 0 || bottom >= bitmap->height)
814 top = 0;
815 bottom = bitmap->height-1;
819 rect->X = left;
820 rect->Y = top;
821 rect->Width = right - left + 1;
822 rect->Height = bottom - top + 1;
825 static ARGB sample_bitmap_pixel(GDIPCONST GpRect *src_rect, LPBYTE bits, UINT width,
826 UINT height, INT x, INT y, GDIPCONST GpImageAttributes *attributes)
828 if (attributes->wrap == WrapModeClamp)
830 if (x < 0 || y < 0 || x >= width || y >= height)
831 return attributes->outside_color;
833 else
835 /* Tiling. Make sure co-ordinates are positive as it simplifies the math. */
836 if (x < 0)
837 x = width*2 + x % (width * 2);
838 if (y < 0)
839 y = height*2 + y % (height * 2);
841 if ((attributes->wrap & 1) == 1)
843 /* Flip X */
844 if ((x / width) % 2 == 0)
845 x = x % width;
846 else
847 x = width - 1 - x % width;
849 else
850 x = x % width;
852 if ((attributes->wrap & 2) == 2)
854 /* Flip Y */
855 if ((y / height) % 2 == 0)
856 y = y % height;
857 else
858 y = height - 1 - y % height;
860 else
861 y = y % height;
864 if (x < src_rect->X || y < src_rect->Y || x >= src_rect->X + src_rect->Width || y >= src_rect->Y + src_rect->Height)
866 ERR("out of range pixel requested\n");
867 return 0xffcd0084;
870 return ((DWORD*)(bits))[(x - src_rect->X) + (y - src_rect->Y) * src_rect->Width];
873 static ARGB resample_bitmap_pixel(GDIPCONST GpRect *src_rect, LPBYTE bits, UINT width,
874 UINT height, GpPointF *point, GDIPCONST GpImageAttributes *attributes,
875 InterpolationMode interpolation, PixelOffsetMode offset_mode)
877 static int fixme;
879 switch (interpolation)
881 default:
882 if (!fixme++)
883 FIXME("Unimplemented interpolation %i\n", interpolation);
884 /* fall-through */
885 case InterpolationModeBilinear:
887 REAL leftxf, topyf;
888 INT leftx, rightx, topy, bottomy;
889 ARGB topleft, topright, bottomleft, bottomright;
890 ARGB top, bottom;
891 float x_offset;
893 leftxf = floorf(point->X);
894 leftx = (INT)leftxf;
895 rightx = (INT)ceilf(point->X);
896 topyf = floorf(point->Y);
897 topy = (INT)topyf;
898 bottomy = (INT)ceilf(point->Y);
900 if (leftx == rightx && topy == bottomy)
901 return sample_bitmap_pixel(src_rect, bits, width, height,
902 leftx, topy, attributes);
904 topleft = sample_bitmap_pixel(src_rect, bits, width, height,
905 leftx, topy, attributes);
906 topright = sample_bitmap_pixel(src_rect, bits, width, height,
907 rightx, topy, attributes);
908 bottomleft = sample_bitmap_pixel(src_rect, bits, width, height,
909 leftx, bottomy, attributes);
910 bottomright = sample_bitmap_pixel(src_rect, bits, width, height,
911 rightx, bottomy, attributes);
913 x_offset = point->X - leftxf;
914 top = blend_colors(topleft, topright, x_offset);
915 bottom = blend_colors(bottomleft, bottomright, x_offset);
917 return blend_colors(top, bottom, point->Y - topyf);
919 case InterpolationModeNearestNeighbor:
921 FLOAT pixel_offset;
922 switch (offset_mode)
924 default:
925 case PixelOffsetModeNone:
926 case PixelOffsetModeHighSpeed:
927 pixel_offset = 0.5;
928 break;
930 case PixelOffsetModeHalf:
931 case PixelOffsetModeHighQuality:
932 pixel_offset = 0.0;
933 break;
935 return sample_bitmap_pixel(src_rect, bits, width, height,
936 floorf(point->X + pixel_offset), floorf(point->Y + pixel_offset), attributes);
942 static REAL intersect_line_scanline(const GpPointF *p1, const GpPointF *p2, REAL y)
944 return (p1->X - p2->X) * (p2->Y - y) / (p2->Y - p1->Y) + p2->X;
947 static BOOL brush_can_fill_path(GpBrush *brush)
949 switch (brush->bt)
951 case BrushTypeSolidColor:
952 return TRUE;
953 case BrushTypeHatchFill:
955 GpHatch *hatch = (GpHatch*)brush;
956 return ((hatch->forecol & 0xff000000) == 0xff000000) &&
957 ((hatch->backcol & 0xff000000) == 0xff000000);
959 case BrushTypeLinearGradient:
960 case BrushTypeTextureFill:
961 /* Gdi32 isn't much help with these, so we should use brush_fill_pixels instead. */
962 default:
963 return FALSE;
967 static void brush_fill_path(GpGraphics *graphics, GpBrush* brush)
969 switch (brush->bt)
971 case BrushTypeSolidColor:
973 GpSolidFill *fill = (GpSolidFill*)brush;
974 HBITMAP bmp = ARGB2BMP(fill->color);
976 if (bmp)
978 RECT rc;
979 /* partially transparent fill */
981 SelectClipPath(graphics->hdc, RGN_AND);
982 if (GetClipBox(graphics->hdc, &rc) != NULLREGION)
984 HDC hdc = CreateCompatibleDC(NULL);
986 if (!hdc) break;
988 SelectObject(hdc, bmp);
989 gdi_alpha_blend(graphics, rc.left, rc.top, rc.right - rc.left, rc.bottom - rc.top,
990 hdc, 0, 0, 1, 1);
991 DeleteDC(hdc);
994 DeleteObject(bmp);
995 break;
997 /* else fall through */
999 default:
1001 HBRUSH gdibrush, old_brush;
1003 gdibrush = create_gdi_brush(brush);
1004 if (!gdibrush) return;
1006 old_brush = SelectObject(graphics->hdc, gdibrush);
1007 FillPath(graphics->hdc);
1008 SelectObject(graphics->hdc, old_brush);
1009 DeleteObject(gdibrush);
1010 break;
1015 static BOOL brush_can_fill_pixels(GpBrush *brush)
1017 switch (brush->bt)
1019 case BrushTypeSolidColor:
1020 case BrushTypeHatchFill:
1021 case BrushTypeLinearGradient:
1022 case BrushTypeTextureFill:
1023 case BrushTypePathGradient:
1024 return TRUE;
1025 default:
1026 return FALSE;
1030 static GpStatus brush_fill_pixels(GpGraphics *graphics, GpBrush *brush,
1031 DWORD *argb_pixels, GpRect *fill_area, UINT cdwStride)
1033 switch (brush->bt)
1035 case BrushTypeSolidColor:
1037 int x, y;
1038 GpSolidFill *fill = (GpSolidFill*)brush;
1039 for (x=0; x<fill_area->Width; x++)
1040 for (y=0; y<fill_area->Height; y++)
1041 argb_pixels[x + y*cdwStride] = fill->color;
1042 return Ok;
1044 case BrushTypeHatchFill:
1046 int x, y;
1047 GpHatch *fill = (GpHatch*)brush;
1048 const char *hatch_data;
1050 if (get_hatch_data(fill->hatchstyle, &hatch_data) != Ok)
1051 return NotImplemented;
1053 for (x=0; x<fill_area->Width; x++)
1054 for (y=0; y<fill_area->Height; y++)
1056 int hx, hy;
1058 /* FIXME: Account for the rendering origin */
1059 hx = (x + fill_area->X) % 8;
1060 hy = (y + fill_area->Y) % 8;
1062 if ((hatch_data[7-hy] & (0x80 >> hx)) != 0)
1063 argb_pixels[x + y*cdwStride] = fill->forecol;
1064 else
1065 argb_pixels[x + y*cdwStride] = fill->backcol;
1068 return Ok;
1070 case BrushTypeLinearGradient:
1072 GpLineGradient *fill = (GpLineGradient*)brush;
1073 GpPointF draw_points[3], line_points[3];
1074 GpStatus stat;
1075 static const GpRectF box_1 = { 0.0, 0.0, 1.0, 1.0 };
1076 GpMatrix *world_to_gradient; /* FIXME: Store this in the brush? */
1077 int x, y;
1079 draw_points[0].X = fill_area->X;
1080 draw_points[0].Y = fill_area->Y;
1081 draw_points[1].X = fill_area->X+1;
1082 draw_points[1].Y = fill_area->Y;
1083 draw_points[2].X = fill_area->X;
1084 draw_points[2].Y = fill_area->Y+1;
1086 /* Transform the points to a co-ordinate space where X is the point's
1087 * position in the gradient, 0.0 being the start point and 1.0 the
1088 * end point. */
1089 stat = GdipTransformPoints(graphics, CoordinateSpaceWorld,
1090 CoordinateSpaceDevice, draw_points, 3);
1092 if (stat == Ok)
1094 line_points[0] = fill->startpoint;
1095 line_points[1] = fill->endpoint;
1096 line_points[2].X = fill->startpoint.X + (fill->startpoint.Y - fill->endpoint.Y);
1097 line_points[2].Y = fill->startpoint.Y + (fill->endpoint.X - fill->startpoint.X);
1099 stat = GdipCreateMatrix3(&box_1, line_points, &world_to_gradient);
1102 if (stat == Ok)
1104 stat = GdipInvertMatrix(world_to_gradient);
1106 if (stat == Ok)
1107 stat = GdipTransformMatrixPoints(world_to_gradient, draw_points, 3);
1109 GdipDeleteMatrix(world_to_gradient);
1112 if (stat == Ok)
1114 REAL x_delta = draw_points[1].X - draw_points[0].X;
1115 REAL y_delta = draw_points[2].X - draw_points[0].X;
1117 for (y=0; y<fill_area->Height; y++)
1119 for (x=0; x<fill_area->Width; x++)
1121 REAL pos = draw_points[0].X + x * x_delta + y * y_delta;
1123 argb_pixels[x + y*cdwStride] = blend_line_gradient(fill, pos);
1128 return stat;
1130 case BrushTypeTextureFill:
1132 GpTexture *fill = (GpTexture*)brush;
1133 GpPointF draw_points[3];
1134 GpStatus stat;
1135 int x, y;
1136 GpBitmap *bitmap;
1137 int src_stride;
1138 GpRect src_area;
1140 if (fill->image->type != ImageTypeBitmap)
1142 FIXME("metafile texture brushes not implemented\n");
1143 return NotImplemented;
1146 bitmap = (GpBitmap*)fill->image;
1147 src_stride = sizeof(ARGB) * bitmap->width;
1149 src_area.X = src_area.Y = 0;
1150 src_area.Width = bitmap->width;
1151 src_area.Height = bitmap->height;
1153 draw_points[0].X = fill_area->X;
1154 draw_points[0].Y = fill_area->Y;
1155 draw_points[1].X = fill_area->X+1;
1156 draw_points[1].Y = fill_area->Y;
1157 draw_points[2].X = fill_area->X;
1158 draw_points[2].Y = fill_area->Y+1;
1160 /* Transform the points to the co-ordinate space of the bitmap. */
1161 stat = GdipTransformPoints(graphics, CoordinateSpaceWorld,
1162 CoordinateSpaceDevice, draw_points, 3);
1164 if (stat == Ok)
1166 GpMatrix world_to_texture = fill->transform;
1168 stat = GdipInvertMatrix(&world_to_texture);
1169 if (stat == Ok)
1170 stat = GdipTransformMatrixPoints(&world_to_texture, draw_points, 3);
1173 if (stat == Ok && !fill->bitmap_bits)
1175 BitmapData lockeddata;
1177 fill->bitmap_bits = GdipAlloc(sizeof(ARGB) * bitmap->width * bitmap->height);
1178 if (!fill->bitmap_bits)
1179 stat = OutOfMemory;
1181 if (stat == Ok)
1183 lockeddata.Width = bitmap->width;
1184 lockeddata.Height = bitmap->height;
1185 lockeddata.Stride = src_stride;
1186 lockeddata.PixelFormat = PixelFormat32bppARGB;
1187 lockeddata.Scan0 = fill->bitmap_bits;
1189 stat = GdipBitmapLockBits(bitmap, &src_area, ImageLockModeRead|ImageLockModeUserInputBuf,
1190 PixelFormat32bppARGB, &lockeddata);
1193 if (stat == Ok)
1194 stat = GdipBitmapUnlockBits(bitmap, &lockeddata);
1196 if (stat == Ok)
1197 apply_image_attributes(fill->imageattributes, fill->bitmap_bits,
1198 bitmap->width, bitmap->height,
1199 src_stride, ColorAdjustTypeBitmap);
1201 if (stat != Ok)
1203 GdipFree(fill->bitmap_bits);
1204 fill->bitmap_bits = NULL;
1208 if (stat == Ok)
1210 REAL x_dx = draw_points[1].X - draw_points[0].X;
1211 REAL x_dy = draw_points[1].Y - draw_points[0].Y;
1212 REAL y_dx = draw_points[2].X - draw_points[0].X;
1213 REAL y_dy = draw_points[2].Y - draw_points[0].Y;
1215 for (y=0; y<fill_area->Height; y++)
1217 for (x=0; x<fill_area->Width; x++)
1219 GpPointF point;
1220 point.X = draw_points[0].X + x * x_dx + y * y_dx;
1221 point.Y = draw_points[0].Y + y * x_dy + y * y_dy;
1223 argb_pixels[x + y*cdwStride] = resample_bitmap_pixel(
1224 &src_area, fill->bitmap_bits, bitmap->width, bitmap->height,
1225 &point, fill->imageattributes, graphics->interpolation,
1226 graphics->pixeloffset);
1231 return stat;
1233 case BrushTypePathGradient:
1235 GpPathGradient *fill = (GpPathGradient*)brush;
1236 GpPath *flat_path;
1237 GpMatrix world_to_device;
1238 GpStatus stat;
1239 int i, figure_start=0;
1240 GpPointF start_point, end_point, center_point;
1241 BYTE type;
1242 REAL min_yf, max_yf, line1_xf, line2_xf;
1243 INT min_y, max_y, min_x, max_x;
1244 INT x, y;
1245 ARGB outer_color;
1246 static int transform_fixme_once;
1248 if (fill->focus.X != 0.0 || fill->focus.Y != 0.0)
1250 static int once;
1251 if (!once++)
1252 FIXME("path gradient focus not implemented\n");
1255 if (fill->gamma)
1257 static int once;
1258 if (!once++)
1259 FIXME("path gradient gamma correction not implemented\n");
1262 if (fill->blendcount)
1264 static int once;
1265 if (!once++)
1266 FIXME("path gradient blend not implemented\n");
1269 if (fill->pblendcount)
1271 static int once;
1272 if (!once++)
1273 FIXME("path gradient preset blend not implemented\n");
1276 if (!transform_fixme_once)
1278 BOOL is_identity=TRUE;
1279 GdipIsMatrixIdentity(&fill->transform, &is_identity);
1280 if (!is_identity)
1282 FIXME("path gradient transform not implemented\n");
1283 transform_fixme_once = 1;
1287 stat = GdipClonePath(fill->path, &flat_path);
1289 if (stat != Ok)
1290 return stat;
1292 stat = get_graphics_transform(graphics, CoordinateSpaceDevice,
1293 CoordinateSpaceWorld, &world_to_device);
1294 if (stat == Ok)
1296 stat = GdipTransformPath(flat_path, &world_to_device);
1298 if (stat == Ok)
1300 center_point = fill->center;
1301 stat = GdipTransformMatrixPoints(&world_to_device, &center_point, 1);
1304 if (stat == Ok)
1305 stat = GdipFlattenPath(flat_path, NULL, 0.5);
1308 if (stat != Ok)
1310 GdipDeletePath(flat_path);
1311 return stat;
1314 for (i=0; i<flat_path->pathdata.Count; i++)
1316 int start_center_line=0, end_center_line=0;
1317 int seen_start=0, seen_end=0, seen_center=0;
1318 REAL center_distance;
1319 ARGB start_color, end_color;
1320 REAL dy, dx;
1322 type = flat_path->pathdata.Types[i];
1324 if ((type&PathPointTypePathTypeMask) == PathPointTypeStart)
1325 figure_start = i;
1327 start_point = flat_path->pathdata.Points[i];
1329 start_color = fill->surroundcolors[min(i, fill->surroundcolorcount-1)];
1331 if ((type&PathPointTypeCloseSubpath) == PathPointTypeCloseSubpath || i+1 >= flat_path->pathdata.Count)
1333 end_point = flat_path->pathdata.Points[figure_start];
1334 end_color = fill->surroundcolors[min(figure_start, fill->surroundcolorcount-1)];
1336 else if ((flat_path->pathdata.Types[i+1] & PathPointTypePathTypeMask) == PathPointTypeLine)
1338 end_point = flat_path->pathdata.Points[i+1];
1339 end_color = fill->surroundcolors[min(i+1, fill->surroundcolorcount-1)];
1341 else
1342 continue;
1344 outer_color = start_color;
1346 min_yf = center_point.Y;
1347 if (min_yf > start_point.Y) min_yf = start_point.Y;
1348 if (min_yf > end_point.Y) min_yf = end_point.Y;
1350 if (min_yf < fill_area->Y)
1351 min_y = fill_area->Y;
1352 else
1353 min_y = (INT)ceil(min_yf);
1355 max_yf = center_point.Y;
1356 if (max_yf < start_point.Y) max_yf = start_point.Y;
1357 if (max_yf < end_point.Y) max_yf = end_point.Y;
1359 if (max_yf > fill_area->Y + fill_area->Height)
1360 max_y = fill_area->Y + fill_area->Height;
1361 else
1362 max_y = (INT)ceil(max_yf);
1364 dy = end_point.Y - start_point.Y;
1365 dx = end_point.X - start_point.X;
1367 /* This is proportional to the distance from start-end line to center point. */
1368 center_distance = dy * (start_point.X - center_point.X) +
1369 dx * (center_point.Y - start_point.Y);
1371 for (y=min_y; y<max_y; y++)
1373 REAL yf = (REAL)y;
1375 if (!seen_start && yf >= start_point.Y)
1377 seen_start = 1;
1378 start_center_line ^= 1;
1380 if (!seen_end && yf >= end_point.Y)
1382 seen_end = 1;
1383 end_center_line ^= 1;
1385 if (!seen_center && yf >= center_point.Y)
1387 seen_center = 1;
1388 start_center_line ^= 1;
1389 end_center_line ^= 1;
1392 if (start_center_line)
1393 line1_xf = intersect_line_scanline(&start_point, &center_point, yf);
1394 else
1395 line1_xf = intersect_line_scanline(&start_point, &end_point, yf);
1397 if (end_center_line)
1398 line2_xf = intersect_line_scanline(&end_point, &center_point, yf);
1399 else
1400 line2_xf = intersect_line_scanline(&start_point, &end_point, yf);
1402 if (line1_xf < line2_xf)
1404 min_x = (INT)ceil(line1_xf);
1405 max_x = (INT)ceil(line2_xf);
1407 else
1409 min_x = (INT)ceil(line2_xf);
1410 max_x = (INT)ceil(line1_xf);
1413 if (min_x < fill_area->X)
1414 min_x = fill_area->X;
1415 if (max_x > fill_area->X + fill_area->Width)
1416 max_x = fill_area->X + fill_area->Width;
1418 for (x=min_x; x<max_x; x++)
1420 REAL xf = (REAL)x;
1421 REAL distance;
1423 if (start_color != end_color)
1425 REAL blend_amount, pdy, pdx;
1426 pdy = yf - center_point.Y;
1427 pdx = xf - center_point.X;
1428 blend_amount = ( (center_point.Y - start_point.Y) * pdx + (start_point.X - center_point.X) * pdy ) / ( dy * pdx - dx * pdy );
1429 outer_color = blend_colors(start_color, end_color, blend_amount);
1432 distance = (end_point.Y - start_point.Y) * (start_point.X - xf) +
1433 (end_point.X - start_point.X) * (yf - start_point.Y);
1435 distance = distance / center_distance;
1437 argb_pixels[(x-fill_area->X) + (y-fill_area->Y)*cdwStride] =
1438 blend_colors(outer_color, fill->centercolor, distance);
1443 GdipDeletePath(flat_path);
1444 return stat;
1446 default:
1447 return NotImplemented;
1451 /* Draws the linecap the specified color and size on the hdc. The linecap is in
1452 * direction of the line from x1, y1 to x2, y2 and is anchored on x2, y2. Probably
1453 * should not be called on an hdc that has a path you care about. */
1454 static void draw_cap(GpGraphics *graphics, COLORREF color, GpLineCap cap, REAL size,
1455 const GpCustomLineCap *custom, REAL x1, REAL y1, REAL x2, REAL y2)
1457 HGDIOBJ oldbrush = NULL, oldpen = NULL;
1458 GpMatrix matrix;
1459 HBRUSH brush = NULL;
1460 HPEN pen = NULL;
1461 PointF ptf[4], *custptf = NULL;
1462 POINT pt[4], *custpt = NULL;
1463 BYTE *tp = NULL;
1464 REAL theta, dsmall, dbig, dx, dy = 0.0;
1465 INT i, count;
1466 LOGBRUSH lb;
1467 BOOL customstroke;
1469 if((x1 == x2) && (y1 == y2))
1470 return;
1472 theta = gdiplus_atan2(y2 - y1, x2 - x1);
1474 customstroke = (cap == LineCapCustom) && custom && (!custom->fill);
1475 if(!customstroke){
1476 brush = CreateSolidBrush(color);
1477 lb.lbStyle = BS_SOLID;
1478 lb.lbColor = color;
1479 lb.lbHatch = 0;
1480 pen = ExtCreatePen(PS_GEOMETRIC | PS_SOLID | PS_ENDCAP_FLAT |
1481 PS_JOIN_MITER, 1, &lb, 0,
1482 NULL);
1483 oldbrush = SelectObject(graphics->hdc, brush);
1484 oldpen = SelectObject(graphics->hdc, pen);
1487 switch(cap){
1488 case LineCapFlat:
1489 break;
1490 case LineCapSquare:
1491 case LineCapSquareAnchor:
1492 case LineCapDiamondAnchor:
1493 size = size * (cap & LineCapNoAnchor ? ANCHOR_WIDTH : 1.0) / 2.0;
1494 if(cap == LineCapDiamondAnchor){
1495 dsmall = cos(theta + M_PI_2) * size;
1496 dbig = sin(theta + M_PI_2) * size;
1498 else{
1499 dsmall = cos(theta + M_PI_4) * size;
1500 dbig = sin(theta + M_PI_4) * size;
1503 ptf[0].X = x2 - dsmall;
1504 ptf[1].X = x2 + dbig;
1506 ptf[0].Y = y2 - dbig;
1507 ptf[3].Y = y2 + dsmall;
1509 ptf[1].Y = y2 - dsmall;
1510 ptf[2].Y = y2 + dbig;
1512 ptf[3].X = x2 - dbig;
1513 ptf[2].X = x2 + dsmall;
1515 transform_and_round_points(graphics, pt, ptf, 4);
1516 Polygon(graphics->hdc, pt, 4);
1518 break;
1519 case LineCapArrowAnchor:
1520 size = size * 4.0 / sqrt(3.0);
1522 dx = cos(M_PI / 6.0 + theta) * size;
1523 dy = sin(M_PI / 6.0 + theta) * size;
1525 ptf[0].X = x2 - dx;
1526 ptf[0].Y = y2 - dy;
1528 dx = cos(- M_PI / 6.0 + theta) * size;
1529 dy = sin(- M_PI / 6.0 + theta) * size;
1531 ptf[1].X = x2 - dx;
1532 ptf[1].Y = y2 - dy;
1534 ptf[2].X = x2;
1535 ptf[2].Y = y2;
1537 transform_and_round_points(graphics, pt, ptf, 3);
1538 Polygon(graphics->hdc, pt, 3);
1540 break;
1541 case LineCapRoundAnchor:
1542 dx = dy = ANCHOR_WIDTH * size / 2.0;
1544 ptf[0].X = x2 - dx;
1545 ptf[0].Y = y2 - dy;
1546 ptf[1].X = x2 + dx;
1547 ptf[1].Y = y2 + dy;
1549 transform_and_round_points(graphics, pt, ptf, 2);
1550 Ellipse(graphics->hdc, pt[0].x, pt[0].y, pt[1].x, pt[1].y);
1552 break;
1553 case LineCapTriangle:
1554 size = size / 2.0;
1555 dx = cos(M_PI_2 + theta) * size;
1556 dy = sin(M_PI_2 + theta) * size;
1558 ptf[0].X = x2 - dx;
1559 ptf[0].Y = y2 - dy;
1560 ptf[1].X = x2 + dx;
1561 ptf[1].Y = y2 + dy;
1563 dx = cos(theta) * size;
1564 dy = sin(theta) * size;
1566 ptf[2].X = x2 + dx;
1567 ptf[2].Y = y2 + dy;
1569 transform_and_round_points(graphics, pt, ptf, 3);
1570 Polygon(graphics->hdc, pt, 3);
1572 break;
1573 case LineCapRound:
1574 dx = dy = size / 2.0;
1576 ptf[0].X = x2 - dx;
1577 ptf[0].Y = y2 - dy;
1578 ptf[1].X = x2 + dx;
1579 ptf[1].Y = y2 + dy;
1581 dx = -cos(M_PI_2 + theta) * size;
1582 dy = -sin(M_PI_2 + theta) * size;
1584 ptf[2].X = x2 - dx;
1585 ptf[2].Y = y2 - dy;
1586 ptf[3].X = x2 + dx;
1587 ptf[3].Y = y2 + dy;
1589 transform_and_round_points(graphics, pt, ptf, 4);
1590 Pie(graphics->hdc, pt[0].x, pt[0].y, pt[1].x, pt[1].y, pt[2].x,
1591 pt[2].y, pt[3].x, pt[3].y);
1593 break;
1594 case LineCapCustom:
1595 if(!custom)
1596 break;
1598 count = custom->pathdata.Count;
1599 custptf = GdipAlloc(count * sizeof(PointF));
1600 custpt = GdipAlloc(count * sizeof(POINT));
1601 tp = GdipAlloc(count);
1603 if(!custptf || !custpt || !tp)
1604 goto custend;
1606 memcpy(custptf, custom->pathdata.Points, count * sizeof(PointF));
1608 GdipSetMatrixElements(&matrix, 1.0, 0.0, 0.0, 1.0, 0.0, 0.0);
1609 GdipScaleMatrix(&matrix, size, size, MatrixOrderAppend);
1610 GdipRotateMatrix(&matrix, (180.0 / M_PI) * (theta - M_PI_2),
1611 MatrixOrderAppend);
1612 GdipTranslateMatrix(&matrix, x2, y2, MatrixOrderAppend);
1613 GdipTransformMatrixPoints(&matrix, custptf, count);
1615 transform_and_round_points(graphics, custpt, custptf, count);
1617 for(i = 0; i < count; i++)
1618 tp[i] = convert_path_point_type(custom->pathdata.Types[i]);
1620 if(custom->fill){
1621 BeginPath(graphics->hdc);
1622 PolyDraw(graphics->hdc, custpt, tp, count);
1623 EndPath(graphics->hdc);
1624 StrokeAndFillPath(graphics->hdc);
1626 else
1627 PolyDraw(graphics->hdc, custpt, tp, count);
1629 custend:
1630 GdipFree(custptf);
1631 GdipFree(custpt);
1632 GdipFree(tp);
1633 break;
1634 default:
1635 break;
1638 if(!customstroke){
1639 SelectObject(graphics->hdc, oldbrush);
1640 SelectObject(graphics->hdc, oldpen);
1641 DeleteObject(brush);
1642 DeleteObject(pen);
1646 /* Shortens the line by the given percent by changing x2, y2.
1647 * If percent is > 1.0 then the line will change direction.
1648 * If percent is negative it can lengthen the line. */
1649 static void shorten_line_percent(REAL x1, REAL y1, REAL *x2, REAL *y2, REAL percent)
1651 REAL dist, theta, dx, dy;
1653 if((y1 == *y2) && (x1 == *x2))
1654 return;
1656 dist = sqrt((*x2 - x1) * (*x2 - x1) + (*y2 - y1) * (*y2 - y1)) * -percent;
1657 theta = gdiplus_atan2((*y2 - y1), (*x2 - x1));
1658 dx = cos(theta) * dist;
1659 dy = sin(theta) * dist;
1661 *x2 = *x2 + dx;
1662 *y2 = *y2 + dy;
1665 /* Shortens the line by the given amount by changing x2, y2.
1666 * If the amount is greater than the distance, the line will become length 0.
1667 * If the amount is negative, it can lengthen the line. */
1668 static void shorten_line_amt(REAL x1, REAL y1, REAL *x2, REAL *y2, REAL amt)
1670 REAL dx, dy, percent;
1672 dx = *x2 - x1;
1673 dy = *y2 - y1;
1674 if(dx == 0 && dy == 0)
1675 return;
1677 percent = amt / sqrt(dx * dx + dy * dy);
1678 if(percent >= 1.0){
1679 *x2 = x1;
1680 *y2 = y1;
1681 return;
1684 shorten_line_percent(x1, y1, x2, y2, percent);
1687 /* Conducts a linear search to find the bezier points that will back off
1688 * the endpoint of the curve by a distance of amt. Linear search works
1689 * better than binary in this case because there are multiple solutions,
1690 * and binary searches often find a bad one. I don't think this is what
1691 * Windows does but short of rendering the bezier without GDI's help it's
1692 * the best we can do. If rev then work from the start of the passed points
1693 * instead of the end. */
1694 static void shorten_bezier_amt(GpPointF * pt, REAL amt, BOOL rev)
1696 GpPointF origpt[4];
1697 REAL percent = 0.00, dx, dy, origx, origy, diff = -1.0;
1698 INT i, first = 0, second = 1, third = 2, fourth = 3;
1700 if(rev){
1701 first = 3;
1702 second = 2;
1703 third = 1;
1704 fourth = 0;
1707 origx = pt[fourth].X;
1708 origy = pt[fourth].Y;
1709 memcpy(origpt, pt, sizeof(GpPointF) * 4);
1711 for(i = 0; (i < MAX_ITERS) && (diff < amt); i++){
1712 /* reset bezier points to original values */
1713 memcpy(pt, origpt, sizeof(GpPointF) * 4);
1714 /* Perform magic on bezier points. Order is important here.*/
1715 shorten_line_percent(pt[third].X, pt[third].Y, &pt[fourth].X, &pt[fourth].Y, percent);
1716 shorten_line_percent(pt[second].X, pt[second].Y, &pt[third].X, &pt[third].Y, percent);
1717 shorten_line_percent(pt[third].X, pt[third].Y, &pt[fourth].X, &pt[fourth].Y, percent);
1718 shorten_line_percent(pt[first].X, pt[first].Y, &pt[second].X, &pt[second].Y, percent);
1719 shorten_line_percent(pt[second].X, pt[second].Y, &pt[third].X, &pt[third].Y, percent);
1720 shorten_line_percent(pt[third].X, pt[third].Y, &pt[fourth].X, &pt[fourth].Y, percent);
1722 dx = pt[fourth].X - origx;
1723 dy = pt[fourth].Y - origy;
1725 diff = sqrt(dx * dx + dy * dy);
1726 percent += 0.0005 * amt;
1730 /* Draws a combination of bezier curves and lines between points. */
1731 static GpStatus draw_poly(GpGraphics *graphics, GpPen *pen, GDIPCONST GpPointF * pt,
1732 GDIPCONST BYTE * types, INT count, BOOL caps)
1734 POINT *pti = GdipAlloc(count * sizeof(POINT));
1735 BYTE *tp = GdipAlloc(count);
1736 GpPointF *ptcopy = GdipAlloc(count * sizeof(GpPointF));
1737 INT i, j;
1738 GpStatus status = GenericError;
1740 if(!count){
1741 status = Ok;
1742 goto end;
1744 if(!pti || !tp || !ptcopy){
1745 status = OutOfMemory;
1746 goto end;
1749 for(i = 1; i < count; i++){
1750 if((types[i] & PathPointTypePathTypeMask) == PathPointTypeBezier){
1751 if((i + 2 >= count) || !(types[i + 1] & PathPointTypeBezier)
1752 || !(types[i + 1] & PathPointTypeBezier)){
1753 ERR("Bad bezier points\n");
1754 goto end;
1756 i += 2;
1760 memcpy(ptcopy, pt, count * sizeof(GpPointF));
1762 /* If we are drawing caps, go through the points and adjust them accordingly,
1763 * and draw the caps. */
1764 if(caps){
1765 switch(types[count - 1] & PathPointTypePathTypeMask){
1766 case PathPointTypeBezier:
1767 if(pen->endcap == LineCapArrowAnchor)
1768 shorten_bezier_amt(&ptcopy[count - 4], pen->width, FALSE);
1769 else if((pen->endcap == LineCapCustom) && pen->customend)
1770 shorten_bezier_amt(&ptcopy[count - 4],
1771 pen->width * pen->customend->inset, FALSE);
1773 draw_cap(graphics, get_gdi_brush_color(pen->brush), pen->endcap, pen->width, pen->customend,
1774 pt[count - 1].X - (ptcopy[count - 1].X - ptcopy[count - 2].X),
1775 pt[count - 1].Y - (ptcopy[count - 1].Y - ptcopy[count - 2].Y),
1776 pt[count - 1].X, pt[count - 1].Y);
1778 break;
1779 case PathPointTypeLine:
1780 if(pen->endcap == LineCapArrowAnchor)
1781 shorten_line_amt(ptcopy[count - 2].X, ptcopy[count - 2].Y,
1782 &ptcopy[count - 1].X, &ptcopy[count - 1].Y,
1783 pen->width);
1784 else if((pen->endcap == LineCapCustom) && pen->customend)
1785 shorten_line_amt(ptcopy[count - 2].X, ptcopy[count - 2].Y,
1786 &ptcopy[count - 1].X, &ptcopy[count - 1].Y,
1787 pen->customend->inset * pen->width);
1789 draw_cap(graphics, get_gdi_brush_color(pen->brush), pen->endcap, pen->width, pen->customend,
1790 pt[count - 2].X, pt[count - 2].Y, pt[count - 1].X,
1791 pt[count - 1].Y);
1793 break;
1794 default:
1795 ERR("Bad path last point\n");
1796 goto end;
1799 /* Find start of points */
1800 for(j = 1; j < count && ((types[j] & PathPointTypePathTypeMask)
1801 == PathPointTypeStart); j++);
1803 switch(types[j] & PathPointTypePathTypeMask){
1804 case PathPointTypeBezier:
1805 if(pen->startcap == LineCapArrowAnchor)
1806 shorten_bezier_amt(&ptcopy[j - 1], pen->width, TRUE);
1807 else if((pen->startcap == LineCapCustom) && pen->customstart)
1808 shorten_bezier_amt(&ptcopy[j - 1],
1809 pen->width * pen->customstart->inset, TRUE);
1811 draw_cap(graphics, get_gdi_brush_color(pen->brush), pen->startcap, pen->width, pen->customstart,
1812 pt[j - 1].X - (ptcopy[j - 1].X - ptcopy[j].X),
1813 pt[j - 1].Y - (ptcopy[j - 1].Y - ptcopy[j].Y),
1814 pt[j - 1].X, pt[j - 1].Y);
1816 break;
1817 case PathPointTypeLine:
1818 if(pen->startcap == LineCapArrowAnchor)
1819 shorten_line_amt(ptcopy[j].X, ptcopy[j].Y,
1820 &ptcopy[j - 1].X, &ptcopy[j - 1].Y,
1821 pen->width);
1822 else if((pen->startcap == LineCapCustom) && pen->customstart)
1823 shorten_line_amt(ptcopy[j].X, ptcopy[j].Y,
1824 &ptcopy[j - 1].X, &ptcopy[j - 1].Y,
1825 pen->customstart->inset * pen->width);
1827 draw_cap(graphics, get_gdi_brush_color(pen->brush), pen->startcap, pen->width, pen->customstart,
1828 pt[j].X, pt[j].Y, pt[j - 1].X,
1829 pt[j - 1].Y);
1831 break;
1832 default:
1833 ERR("Bad path points\n");
1834 goto end;
1838 transform_and_round_points(graphics, pti, ptcopy, count);
1840 for(i = 0; i < count; i++){
1841 tp[i] = convert_path_point_type(types[i]);
1844 PolyDraw(graphics->hdc, pti, tp, count);
1846 status = Ok;
1848 end:
1849 GdipFree(pti);
1850 GdipFree(ptcopy);
1851 GdipFree(tp);
1853 return status;
1856 GpStatus trace_path(GpGraphics *graphics, GpPath *path)
1858 GpStatus result;
1860 BeginPath(graphics->hdc);
1861 result = draw_poly(graphics, NULL, path->pathdata.Points,
1862 path->pathdata.Types, path->pathdata.Count, FALSE);
1863 EndPath(graphics->hdc);
1864 return result;
1867 typedef struct _GraphicsContainerItem {
1868 struct list entry;
1869 GraphicsContainer contid;
1871 SmoothingMode smoothing;
1872 CompositingQuality compqual;
1873 InterpolationMode interpolation;
1874 CompositingMode compmode;
1875 TextRenderingHint texthint;
1876 REAL scale;
1877 GpUnit unit;
1878 PixelOffsetMode pixeloffset;
1879 UINT textcontrast;
1880 GpMatrix worldtrans;
1881 GpRegion* clip;
1882 INT origin_x, origin_y;
1883 } GraphicsContainerItem;
1885 static GpStatus init_container(GraphicsContainerItem** container,
1886 GDIPCONST GpGraphics* graphics){
1887 GpStatus sts;
1889 *container = GdipAlloc(sizeof(GraphicsContainerItem));
1890 if(!(*container))
1891 return OutOfMemory;
1893 (*container)->contid = graphics->contid + 1;
1895 (*container)->smoothing = graphics->smoothing;
1896 (*container)->compqual = graphics->compqual;
1897 (*container)->interpolation = graphics->interpolation;
1898 (*container)->compmode = graphics->compmode;
1899 (*container)->texthint = graphics->texthint;
1900 (*container)->scale = graphics->scale;
1901 (*container)->unit = graphics->unit;
1902 (*container)->textcontrast = graphics->textcontrast;
1903 (*container)->pixeloffset = graphics->pixeloffset;
1904 (*container)->origin_x = graphics->origin_x;
1905 (*container)->origin_y = graphics->origin_y;
1906 (*container)->worldtrans = graphics->worldtrans;
1908 sts = GdipCloneRegion(graphics->clip, &(*container)->clip);
1909 if(sts != Ok){
1910 GdipFree(*container);
1911 *container = NULL;
1912 return sts;
1915 return Ok;
1918 static void delete_container(GraphicsContainerItem* container)
1920 GdipDeleteRegion(container->clip);
1921 GdipFree(container);
1924 static GpStatus restore_container(GpGraphics* graphics,
1925 GDIPCONST GraphicsContainerItem* container){
1926 GpStatus sts;
1927 GpRegion *newClip;
1929 sts = GdipCloneRegion(container->clip, &newClip);
1930 if(sts != Ok) return sts;
1932 graphics->worldtrans = container->worldtrans;
1934 GdipDeleteRegion(graphics->clip);
1935 graphics->clip = newClip;
1937 graphics->contid = container->contid - 1;
1939 graphics->smoothing = container->smoothing;
1940 graphics->compqual = container->compqual;
1941 graphics->interpolation = container->interpolation;
1942 graphics->compmode = container->compmode;
1943 graphics->texthint = container->texthint;
1944 graphics->scale = container->scale;
1945 graphics->unit = container->unit;
1946 graphics->textcontrast = container->textcontrast;
1947 graphics->pixeloffset = container->pixeloffset;
1948 graphics->origin_x = container->origin_x;
1949 graphics->origin_y = container->origin_y;
1951 return Ok;
1954 static GpStatus get_graphics_bounds(GpGraphics* graphics, GpRectF* rect)
1956 RECT wnd_rect;
1957 GpStatus stat=Ok;
1958 GpUnit unit;
1960 if(graphics->hwnd) {
1961 if(!GetClientRect(graphics->hwnd, &wnd_rect))
1962 return GenericError;
1964 rect->X = wnd_rect.left;
1965 rect->Y = wnd_rect.top;
1966 rect->Width = wnd_rect.right - wnd_rect.left;
1967 rect->Height = wnd_rect.bottom - wnd_rect.top;
1968 }else if (graphics->image){
1969 stat = GdipGetImageBounds(graphics->image, rect, &unit);
1970 if (stat == Ok && unit != UnitPixel)
1971 FIXME("need to convert from unit %i\n", unit);
1972 }else if (GetObjectType(graphics->hdc) == OBJ_MEMDC){
1973 HBITMAP hbmp;
1974 BITMAP bmp;
1976 rect->X = 0;
1977 rect->Y = 0;
1979 hbmp = GetCurrentObject(graphics->hdc, OBJ_BITMAP);
1980 if (hbmp && GetObjectW(hbmp, sizeof(bmp), &bmp))
1982 rect->Width = bmp.bmWidth;
1983 rect->Height = bmp.bmHeight;
1985 else
1987 /* FIXME: ??? */
1988 rect->Width = 1;
1989 rect->Height = 1;
1991 }else{
1992 rect->X = 0;
1993 rect->Y = 0;
1994 rect->Width = GetDeviceCaps(graphics->hdc, HORZRES);
1995 rect->Height = GetDeviceCaps(graphics->hdc, VERTRES);
1998 return stat;
2001 /* on success, rgn will contain the region of the graphics object which
2002 * is visible after clipping has been applied */
2003 static GpStatus get_visible_clip_region(GpGraphics *graphics, GpRegion *rgn)
2005 GpStatus stat;
2006 GpRectF rectf;
2007 GpRegion* tmp;
2009 if((stat = get_graphics_bounds(graphics, &rectf)) != Ok)
2010 return stat;
2012 if((stat = GdipCreateRegion(&tmp)) != Ok)
2013 return stat;
2015 if((stat = GdipCombineRegionRect(tmp, &rectf, CombineModeReplace)) != Ok)
2016 goto end;
2018 if((stat = GdipCombineRegionRegion(tmp, graphics->clip, CombineModeIntersect)) != Ok)
2019 goto end;
2021 stat = GdipCombineRegionRegion(rgn, tmp, CombineModeReplace);
2023 end:
2024 GdipDeleteRegion(tmp);
2025 return stat;
2028 void get_log_fontW(const GpFont *font, GpGraphics *graphics, LOGFONTW *lf)
2030 REAL height;
2032 if (font->unit == UnitPixel)
2034 height = units_to_pixels(font->emSize, graphics->unit, graphics->yres);
2036 else
2038 if (graphics->unit == UnitDisplay || graphics->unit == UnitPixel)
2039 height = units_to_pixels(font->emSize, font->unit, graphics->xres);
2040 else
2041 height = units_to_pixels(font->emSize, font->unit, graphics->yres);
2044 lf->lfHeight = -(height + 0.5);
2045 lf->lfWidth = 0;
2046 lf->lfEscapement = 0;
2047 lf->lfOrientation = 0;
2048 lf->lfWeight = font->otm.otmTextMetrics.tmWeight;
2049 lf->lfItalic = font->otm.otmTextMetrics.tmItalic ? 1 : 0;
2050 lf->lfUnderline = font->otm.otmTextMetrics.tmUnderlined ? 1 : 0;
2051 lf->lfStrikeOut = font->otm.otmTextMetrics.tmStruckOut ? 1 : 0;
2052 lf->lfCharSet = font->otm.otmTextMetrics.tmCharSet;
2053 lf->lfOutPrecision = OUT_DEFAULT_PRECIS;
2054 lf->lfClipPrecision = CLIP_DEFAULT_PRECIS;
2055 lf->lfQuality = DEFAULT_QUALITY;
2056 lf->lfPitchAndFamily = 0;
2057 strcpyW(lf->lfFaceName, font->family->FamilyName);
2060 static void get_font_hfont(GpGraphics *graphics, GDIPCONST GpFont *font,
2061 GDIPCONST GpStringFormat *format, HFONT *hfont,
2062 GDIPCONST GpMatrix *matrix)
2064 HDC hdc = CreateCompatibleDC(0);
2065 GpPointF pt[3];
2066 REAL angle, rel_width, rel_height, font_height;
2067 LOGFONTW lfw;
2068 HFONT unscaled_font;
2069 TEXTMETRICW textmet;
2071 if (font->unit == UnitPixel)
2072 font_height = font->emSize;
2073 else
2075 REAL unit_scale, res;
2077 res = (graphics->unit == UnitDisplay || graphics->unit == UnitPixel) ? graphics->xres : graphics->yres;
2078 unit_scale = units_scale(font->unit, graphics->unit, res);
2080 font_height = font->emSize * unit_scale;
2083 pt[0].X = 0.0;
2084 pt[0].Y = 0.0;
2085 pt[1].X = 1.0;
2086 pt[1].Y = 0.0;
2087 pt[2].X = 0.0;
2088 pt[2].Y = 1.0;
2089 if (matrix)
2091 GpMatrix xform = *matrix;
2092 GdipTransformMatrixPoints(&xform, pt, 3);
2094 if (graphics)
2095 GdipTransformPoints(graphics, CoordinateSpaceDevice, CoordinateSpaceWorld, pt, 3);
2096 angle = -gdiplus_atan2((pt[1].Y - pt[0].Y), (pt[1].X - pt[0].X));
2097 rel_width = sqrt((pt[1].Y-pt[0].Y)*(pt[1].Y-pt[0].Y)+
2098 (pt[1].X-pt[0].X)*(pt[1].X-pt[0].X));
2099 rel_height = sqrt((pt[2].Y-pt[0].Y)*(pt[2].Y-pt[0].Y)+
2100 (pt[2].X-pt[0].X)*(pt[2].X-pt[0].X));
2102 get_log_fontW(font, graphics, &lfw);
2103 lfw.lfHeight = -gdip_round(font_height * rel_height);
2104 unscaled_font = CreateFontIndirectW(&lfw);
2106 SelectObject(hdc, unscaled_font);
2107 GetTextMetricsW(hdc, &textmet);
2109 lfw.lfWidth = gdip_round(textmet.tmAveCharWidth * rel_width / rel_height);
2110 lfw.lfEscapement = lfw.lfOrientation = gdip_round((angle / M_PI) * 1800.0);
2112 *hfont = CreateFontIndirectW(&lfw);
2114 DeleteDC(hdc);
2115 DeleteObject(unscaled_font);
2118 GpStatus WINGDIPAPI GdipCreateFromHDC(HDC hdc, GpGraphics **graphics)
2120 TRACE("(%p, %p)\n", hdc, graphics);
2122 return GdipCreateFromHDC2(hdc, NULL, graphics);
2125 GpStatus WINGDIPAPI GdipCreateFromHDC2(HDC hdc, HANDLE hDevice, GpGraphics **graphics)
2127 GpStatus retval;
2128 HBITMAP hbitmap;
2129 DIBSECTION dib;
2131 TRACE("(%p, %p, %p)\n", hdc, hDevice, graphics);
2133 if(hDevice != NULL)
2134 FIXME("Don't know how to handle parameter hDevice\n");
2136 if(hdc == NULL)
2137 return OutOfMemory;
2139 if(graphics == NULL)
2140 return InvalidParameter;
2142 *graphics = GdipAlloc(sizeof(GpGraphics));
2143 if(!*graphics) return OutOfMemory;
2145 GdipSetMatrixElements(&(*graphics)->worldtrans, 1.0, 0.0, 0.0, 1.0, 0.0, 0.0);
2147 if((retval = GdipCreateRegion(&(*graphics)->clip)) != Ok){
2148 GdipFree(*graphics);
2149 return retval;
2152 hbitmap = GetCurrentObject(hdc, OBJ_BITMAP);
2153 if (hbitmap && GetObjectW(hbitmap, sizeof(dib), &dib) == sizeof(dib) &&
2154 dib.dsBmih.biBitCount == 32 && dib.dsBmih.biCompression == BI_RGB)
2156 (*graphics)->alpha_hdc = 1;
2159 (*graphics)->hdc = hdc;
2160 (*graphics)->hwnd = WindowFromDC(hdc);
2161 (*graphics)->owndc = FALSE;
2162 (*graphics)->smoothing = SmoothingModeDefault;
2163 (*graphics)->compqual = CompositingQualityDefault;
2164 (*graphics)->interpolation = InterpolationModeBilinear;
2165 (*graphics)->pixeloffset = PixelOffsetModeDefault;
2166 (*graphics)->compmode = CompositingModeSourceOver;
2167 (*graphics)->unit = UnitDisplay;
2168 (*graphics)->scale = 1.0;
2169 (*graphics)->xres = GetDeviceCaps(hdc, LOGPIXELSX);
2170 (*graphics)->yres = GetDeviceCaps(hdc, LOGPIXELSY);
2171 (*graphics)->busy = FALSE;
2172 (*graphics)->textcontrast = 4;
2173 list_init(&(*graphics)->containers);
2174 (*graphics)->contid = 0;
2176 TRACE("<-- %p\n", *graphics);
2178 return Ok;
2181 GpStatus graphics_from_image(GpImage *image, GpGraphics **graphics)
2183 GpStatus retval;
2185 *graphics = GdipAlloc(sizeof(GpGraphics));
2186 if(!*graphics) return OutOfMemory;
2188 GdipSetMatrixElements(&(*graphics)->worldtrans, 1.0, 0.0, 0.0, 1.0, 0.0, 0.0);
2190 if((retval = GdipCreateRegion(&(*graphics)->clip)) != Ok){
2191 GdipFree(*graphics);
2192 return retval;
2195 (*graphics)->hdc = NULL;
2196 (*graphics)->hwnd = NULL;
2197 (*graphics)->owndc = FALSE;
2198 (*graphics)->image = image;
2199 /* We have to store the image type here because the image may be freed
2200 * before GdipDeleteGraphics is called, and metafiles need special treatment. */
2201 (*graphics)->image_type = image->type;
2202 (*graphics)->smoothing = SmoothingModeDefault;
2203 (*graphics)->compqual = CompositingQualityDefault;
2204 (*graphics)->interpolation = InterpolationModeBilinear;
2205 (*graphics)->pixeloffset = PixelOffsetModeDefault;
2206 (*graphics)->compmode = CompositingModeSourceOver;
2207 (*graphics)->unit = UnitDisplay;
2208 (*graphics)->scale = 1.0;
2209 (*graphics)->xres = image->xres;
2210 (*graphics)->yres = image->yres;
2211 (*graphics)->busy = FALSE;
2212 (*graphics)->textcontrast = 4;
2213 list_init(&(*graphics)->containers);
2214 (*graphics)->contid = 0;
2216 TRACE("<-- %p\n", *graphics);
2218 return Ok;
2221 GpStatus WINGDIPAPI GdipCreateFromHWND(HWND hwnd, GpGraphics **graphics)
2223 GpStatus ret;
2224 HDC hdc;
2226 TRACE("(%p, %p)\n", hwnd, graphics);
2228 hdc = GetDC(hwnd);
2230 if((ret = GdipCreateFromHDC(hdc, graphics)) != Ok)
2232 ReleaseDC(hwnd, hdc);
2233 return ret;
2236 (*graphics)->hwnd = hwnd;
2237 (*graphics)->owndc = TRUE;
2239 return Ok;
2242 /* FIXME: no icm handling */
2243 GpStatus WINGDIPAPI GdipCreateFromHWNDICM(HWND hwnd, GpGraphics **graphics)
2245 TRACE("(%p, %p)\n", hwnd, graphics);
2247 return GdipCreateFromHWND(hwnd, graphics);
2250 GpStatus WINGDIPAPI GdipCreateMetafileFromEmf(HENHMETAFILE hemf, BOOL delete,
2251 GpMetafile **metafile)
2253 ENHMETAHEADER header;
2254 MetafileType metafile_type;
2256 TRACE("(%p,%i,%p)\n", hemf, delete, metafile);
2258 if(!hemf || !metafile)
2259 return InvalidParameter;
2261 if (GetEnhMetaFileHeader(hemf, sizeof(header), &header) == 0)
2262 return GenericError;
2264 metafile_type = METAFILE_GetEmfType(hemf);
2266 if (metafile_type == MetafileTypeInvalid)
2267 return GenericError;
2269 *metafile = GdipAlloc(sizeof(GpMetafile));
2270 if (!*metafile)
2271 return OutOfMemory;
2273 (*metafile)->image.type = ImageTypeMetafile;
2274 (*metafile)->image.format = ImageFormatEMF;
2275 (*metafile)->image.frame_count = 1;
2276 (*metafile)->image.xres = (REAL)header.szlDevice.cx;
2277 (*metafile)->image.yres = (REAL)header.szlDevice.cy;
2278 (*metafile)->bounds.X = (REAL)header.rclBounds.left;
2279 (*metafile)->bounds.Y = (REAL)header.rclBounds.top;
2280 (*metafile)->bounds.Width = (REAL)(header.rclBounds.right - header.rclBounds.left);
2281 (*metafile)->bounds.Height = (REAL)(header.rclBounds.bottom - header.rclBounds.top);
2282 (*metafile)->unit = UnitPixel;
2283 (*metafile)->metafile_type = metafile_type;
2284 (*metafile)->hemf = hemf;
2285 (*metafile)->preserve_hemf = !delete;
2287 TRACE("<-- %p\n", *metafile);
2289 return Ok;
2292 GpStatus WINGDIPAPI GdipCreateMetafileFromWmf(HMETAFILE hwmf, BOOL delete,
2293 GDIPCONST WmfPlaceableFileHeader * placeable, GpMetafile **metafile)
2295 UINT read;
2296 BYTE *copy;
2297 HENHMETAFILE hemf;
2298 GpStatus retval = Ok;
2300 TRACE("(%p, %d, %p, %p)\n", hwmf, delete, placeable, metafile);
2302 if(!hwmf || !metafile || !placeable)
2303 return InvalidParameter;
2305 *metafile = NULL;
2306 read = GetMetaFileBitsEx(hwmf, 0, NULL);
2307 if(!read)
2308 return GenericError;
2309 copy = GdipAlloc(read);
2310 GetMetaFileBitsEx(hwmf, read, copy);
2312 hemf = SetWinMetaFileBits(read, copy, NULL, NULL);
2313 GdipFree(copy);
2315 /* FIXME: We should store and use hwmf instead of converting to hemf */
2316 retval = GdipCreateMetafileFromEmf(hemf, TRUE, metafile);
2318 if (retval == Ok)
2320 (*metafile)->image.xres = (REAL)placeable->Inch;
2321 (*metafile)->image.yres = (REAL)placeable->Inch;
2322 (*metafile)->bounds.X = ((REAL)placeable->BoundingBox.Left) / ((REAL)placeable->Inch);
2323 (*metafile)->bounds.Y = ((REAL)placeable->BoundingBox.Top) / ((REAL)placeable->Inch);
2324 (*metafile)->bounds.Width = (REAL)(placeable->BoundingBox.Right -
2325 placeable->BoundingBox.Left);
2326 (*metafile)->bounds.Height = (REAL)(placeable->BoundingBox.Bottom -
2327 placeable->BoundingBox.Top);
2328 (*metafile)->metafile_type = MetafileTypeWmfPlaceable;
2329 (*metafile)->image.format = ImageFormatWMF;
2331 if (delete) DeleteMetaFile(hwmf);
2333 else
2334 DeleteEnhMetaFile(hemf);
2335 return retval;
2338 GpStatus WINGDIPAPI GdipCreateMetafileFromWmfFile(GDIPCONST WCHAR *file,
2339 GDIPCONST WmfPlaceableFileHeader * placeable, GpMetafile **metafile)
2341 HMETAFILE hmf = GetMetaFileW(file);
2343 TRACE("(%s, %p, %p)\n", debugstr_w(file), placeable, metafile);
2345 if(!hmf) return InvalidParameter;
2347 return GdipCreateMetafileFromWmf(hmf, TRUE, placeable, metafile);
2350 GpStatus WINGDIPAPI GdipCreateMetafileFromFile(GDIPCONST WCHAR *file,
2351 GpMetafile **metafile)
2353 FIXME("(%p, %p): stub\n", file, metafile);
2354 return NotImplemented;
2357 GpStatus WINGDIPAPI GdipCreateMetafileFromStream(IStream *stream,
2358 GpMetafile **metafile)
2360 FIXME("(%p, %p): stub\n", stream, metafile);
2361 return NotImplemented;
2364 GpStatus WINGDIPAPI GdipCreateStreamOnFile(GDIPCONST WCHAR * filename,
2365 UINT access, IStream **stream)
2367 DWORD dwMode;
2368 HRESULT ret;
2370 TRACE("(%s, %u, %p)\n", debugstr_w(filename), access, stream);
2372 if(!stream || !filename)
2373 return InvalidParameter;
2375 if(access & GENERIC_WRITE)
2376 dwMode = STGM_SHARE_DENY_WRITE | STGM_WRITE | STGM_CREATE;
2377 else if(access & GENERIC_READ)
2378 dwMode = STGM_SHARE_DENY_WRITE | STGM_READ | STGM_FAILIFTHERE;
2379 else
2380 return InvalidParameter;
2382 ret = SHCreateStreamOnFileW(filename, dwMode, stream);
2384 return hresult_to_status(ret);
2387 GpStatus WINGDIPAPI GdipDeleteGraphics(GpGraphics *graphics)
2389 GraphicsContainerItem *cont, *next;
2390 GpStatus stat;
2391 TRACE("(%p)\n", graphics);
2393 if(!graphics) return InvalidParameter;
2394 if(graphics->busy) return ObjectBusy;
2396 if (graphics->image && graphics->image_type == ImageTypeMetafile)
2398 stat = METAFILE_GraphicsDeleted((GpMetafile*)graphics->image);
2399 if (stat != Ok)
2400 return stat;
2403 if(graphics->owndc)
2404 ReleaseDC(graphics->hwnd, graphics->hdc);
2406 LIST_FOR_EACH_ENTRY_SAFE(cont, next, &graphics->containers, GraphicsContainerItem, entry){
2407 list_remove(&cont->entry);
2408 delete_container(cont);
2411 GdipDeleteRegion(graphics->clip);
2412 GdipFree(graphics);
2414 return Ok;
2417 GpStatus WINGDIPAPI GdipDrawArc(GpGraphics *graphics, GpPen *pen, REAL x,
2418 REAL y, REAL width, REAL height, REAL startAngle, REAL sweepAngle)
2420 GpStatus status;
2421 GpPath *path;
2423 TRACE("(%p, %p, %.2f, %.2f, %.2f, %.2f, %.2f, %.2f)\n", graphics, pen, x, y,
2424 width, height, startAngle, sweepAngle);
2426 if(!graphics || !pen || width <= 0 || height <= 0)
2427 return InvalidParameter;
2429 if(graphics->busy)
2430 return ObjectBusy;
2432 status = GdipCreatePath(FillModeAlternate, &path);
2433 if (status != Ok) return status;
2435 status = GdipAddPathArc(path, x, y, width, height, startAngle, sweepAngle);
2436 if (status == Ok)
2437 status = GdipDrawPath(graphics, pen, path);
2439 GdipDeletePath(path);
2440 return status;
2443 GpStatus WINGDIPAPI GdipDrawArcI(GpGraphics *graphics, GpPen *pen, INT x,
2444 INT y, INT width, INT height, REAL startAngle, REAL sweepAngle)
2446 TRACE("(%p, %p, %d, %d, %d, %d, %.2f, %.2f)\n", graphics, pen, x, y,
2447 width, height, startAngle, sweepAngle);
2449 return GdipDrawArc(graphics,pen,(REAL)x,(REAL)y,(REAL)width,(REAL)height,startAngle,sweepAngle);
2452 GpStatus WINGDIPAPI GdipDrawBezier(GpGraphics *graphics, GpPen *pen, REAL x1,
2453 REAL y1, REAL x2, REAL y2, REAL x3, REAL y3, REAL x4, REAL y4)
2455 GpPointF pt[4];
2457 TRACE("(%p, %p, %.2f, %.2f, %.2f, %.2f, %.2f, %.2f, %.2f, %.2f)\n", graphics, pen, x1, y1,
2458 x2, y2, x3, y3, x4, y4);
2460 if(!graphics || !pen)
2461 return InvalidParameter;
2463 if(graphics->busy)
2464 return ObjectBusy;
2466 pt[0].X = x1;
2467 pt[0].Y = y1;
2468 pt[1].X = x2;
2469 pt[1].Y = y2;
2470 pt[2].X = x3;
2471 pt[2].Y = y3;
2472 pt[3].X = x4;
2473 pt[3].Y = y4;
2474 return GdipDrawBeziers(graphics, pen, pt, 4);
2477 GpStatus WINGDIPAPI GdipDrawBezierI(GpGraphics *graphics, GpPen *pen, INT x1,
2478 INT y1, INT x2, INT y2, INT x3, INT y3, INT x4, INT y4)
2480 TRACE("(%p, %p, %d, %d, %d, %d, %d, %d, %d, %d)\n", graphics, pen, x1, y1,
2481 x2, y2, x3, y3, x4, y4);
2483 return GdipDrawBezier(graphics, pen, (REAL)x1, (REAL)y1, (REAL)x2, (REAL)y2, (REAL)x3, (REAL)y3, (REAL)x4, (REAL)y4);
2486 GpStatus WINGDIPAPI GdipDrawBeziers(GpGraphics *graphics, GpPen *pen,
2487 GDIPCONST GpPointF *points, INT count)
2489 GpStatus status;
2490 GpPath *path;
2492 TRACE("(%p, %p, %p, %d)\n", graphics, pen, points, count);
2494 if(!graphics || !pen || !points || (count <= 0))
2495 return InvalidParameter;
2497 if(graphics->busy)
2498 return ObjectBusy;
2500 status = GdipCreatePath(FillModeAlternate, &path);
2501 if (status != Ok) return status;
2503 status = GdipAddPathBeziers(path, points, count);
2504 if (status == Ok)
2505 status = GdipDrawPath(graphics, pen, path);
2507 GdipDeletePath(path);
2508 return status;
2511 GpStatus WINGDIPAPI GdipDrawBeziersI(GpGraphics *graphics, GpPen *pen,
2512 GDIPCONST GpPoint *points, INT count)
2514 GpPointF *pts;
2515 GpStatus ret;
2516 INT i;
2518 TRACE("(%p, %p, %p, %d)\n", graphics, pen, points, count);
2520 if(!graphics || !pen || !points || (count <= 0))
2521 return InvalidParameter;
2523 if(graphics->busy)
2524 return ObjectBusy;
2526 pts = GdipAlloc(sizeof(GpPointF) * count);
2527 if(!pts)
2528 return OutOfMemory;
2530 for(i = 0; i < count; i++){
2531 pts[i].X = (REAL)points[i].X;
2532 pts[i].Y = (REAL)points[i].Y;
2535 ret = GdipDrawBeziers(graphics,pen,pts,count);
2537 GdipFree(pts);
2539 return ret;
2542 GpStatus WINGDIPAPI GdipDrawClosedCurve(GpGraphics *graphics, GpPen *pen,
2543 GDIPCONST GpPointF *points, INT count)
2545 TRACE("(%p, %p, %p, %d)\n", graphics, pen, points, count);
2547 return GdipDrawClosedCurve2(graphics, pen, points, count, 1.0);
2550 GpStatus WINGDIPAPI GdipDrawClosedCurveI(GpGraphics *graphics, GpPen *pen,
2551 GDIPCONST GpPoint *points, INT count)
2553 TRACE("(%p, %p, %p, %d)\n", graphics, pen, points, count);
2555 return GdipDrawClosedCurve2I(graphics, pen, points, count, 1.0);
2558 GpStatus WINGDIPAPI GdipDrawClosedCurve2(GpGraphics *graphics, GpPen *pen,
2559 GDIPCONST GpPointF *points, INT count, REAL tension)
2561 GpPath *path;
2562 GpStatus status;
2564 TRACE("(%p, %p, %p, %d, %.2f)\n", graphics, pen, points, count, tension);
2566 if(!graphics || !pen || !points || count <= 0)
2567 return InvalidParameter;
2569 if(graphics->busy)
2570 return ObjectBusy;
2572 status = GdipCreatePath(FillModeAlternate, &path);
2573 if (status != Ok) return status;
2575 status = GdipAddPathClosedCurve2(path, points, count, tension);
2576 if (status == Ok)
2577 status = GdipDrawPath(graphics, pen, path);
2579 GdipDeletePath(path);
2581 return status;
2584 GpStatus WINGDIPAPI GdipDrawClosedCurve2I(GpGraphics *graphics, GpPen *pen,
2585 GDIPCONST GpPoint *points, INT count, REAL tension)
2587 GpPointF *ptf;
2588 GpStatus stat;
2589 INT i;
2591 TRACE("(%p, %p, %p, %d, %.2f)\n", graphics, pen, points, count, tension);
2593 if(!points || count <= 0)
2594 return InvalidParameter;
2596 ptf = GdipAlloc(sizeof(GpPointF)*count);
2597 if(!ptf)
2598 return OutOfMemory;
2600 for(i = 0; i < count; i++){
2601 ptf[i].X = (REAL)points[i].X;
2602 ptf[i].Y = (REAL)points[i].Y;
2605 stat = GdipDrawClosedCurve2(graphics, pen, ptf, count, tension);
2607 GdipFree(ptf);
2609 return stat;
2612 GpStatus WINGDIPAPI GdipDrawCurve(GpGraphics *graphics, GpPen *pen,
2613 GDIPCONST GpPointF *points, INT count)
2615 TRACE("(%p, %p, %p, %d)\n", graphics, pen, points, count);
2617 return GdipDrawCurve2(graphics,pen,points,count,1.0);
2620 GpStatus WINGDIPAPI GdipDrawCurveI(GpGraphics *graphics, GpPen *pen,
2621 GDIPCONST GpPoint *points, INT count)
2623 GpPointF *pointsF;
2624 GpStatus ret;
2625 INT i;
2627 TRACE("(%p, %p, %p, %d)\n", graphics, pen, points, count);
2629 if(!points)
2630 return InvalidParameter;
2632 pointsF = GdipAlloc(sizeof(GpPointF)*count);
2633 if(!pointsF)
2634 return OutOfMemory;
2636 for(i = 0; i < count; i++){
2637 pointsF[i].X = (REAL)points[i].X;
2638 pointsF[i].Y = (REAL)points[i].Y;
2641 ret = GdipDrawCurve(graphics,pen,pointsF,count);
2642 GdipFree(pointsF);
2644 return ret;
2647 /* Approximates cardinal spline with Bezier curves. */
2648 GpStatus WINGDIPAPI GdipDrawCurve2(GpGraphics *graphics, GpPen *pen,
2649 GDIPCONST GpPointF *points, INT count, REAL tension)
2651 GpPath *path;
2652 GpStatus status;
2654 TRACE("(%p, %p, %p, %d, %.2f)\n", graphics, pen, points, count, tension);
2656 if(!graphics || !pen)
2657 return InvalidParameter;
2659 if(graphics->busy)
2660 return ObjectBusy;
2662 if(count < 2)
2663 return InvalidParameter;
2665 status = GdipCreatePath(FillModeAlternate, &path);
2666 if (status != Ok) return status;
2668 status = GdipAddPathCurve2(path, points, count, tension);
2669 if (status == Ok)
2670 status = GdipDrawPath(graphics, pen, path);
2672 GdipDeletePath(path);
2673 return status;
2676 GpStatus WINGDIPAPI GdipDrawCurve2I(GpGraphics *graphics, GpPen *pen,
2677 GDIPCONST GpPoint *points, INT count, REAL tension)
2679 GpPointF *pointsF;
2680 GpStatus ret;
2681 INT i;
2683 TRACE("(%p, %p, %p, %d, %.2f)\n", graphics, pen, points, count, tension);
2685 if(!points)
2686 return InvalidParameter;
2688 pointsF = GdipAlloc(sizeof(GpPointF)*count);
2689 if(!pointsF)
2690 return OutOfMemory;
2692 for(i = 0; i < count; i++){
2693 pointsF[i].X = (REAL)points[i].X;
2694 pointsF[i].Y = (REAL)points[i].Y;
2697 ret = GdipDrawCurve2(graphics,pen,pointsF,count,tension);
2698 GdipFree(pointsF);
2700 return ret;
2703 GpStatus WINGDIPAPI GdipDrawCurve3(GpGraphics *graphics, GpPen *pen,
2704 GDIPCONST GpPointF *points, INT count, INT offset, INT numberOfSegments,
2705 REAL tension)
2707 TRACE("(%p, %p, %p, %d, %d, %d, %.2f)\n", graphics, pen, points, count, offset, numberOfSegments, tension);
2709 if(offset >= count || numberOfSegments > count - offset - 1 || numberOfSegments <= 0){
2710 return InvalidParameter;
2713 return GdipDrawCurve2(graphics, pen, points + offset, numberOfSegments + 1, tension);
2716 GpStatus WINGDIPAPI GdipDrawCurve3I(GpGraphics *graphics, GpPen *pen,
2717 GDIPCONST GpPoint *points, INT count, INT offset, INT numberOfSegments,
2718 REAL tension)
2720 TRACE("(%p, %p, %p, %d, %d, %d, %.2f)\n", graphics, pen, points, count, offset, numberOfSegments, tension);
2722 if(count < 0){
2723 return OutOfMemory;
2726 if(offset >= count || numberOfSegments > count - offset - 1 || numberOfSegments <= 0){
2727 return InvalidParameter;
2730 return GdipDrawCurve2I(graphics, pen, points + offset, numberOfSegments + 1, tension);
2733 GpStatus WINGDIPAPI GdipDrawEllipse(GpGraphics *graphics, GpPen *pen, REAL x,
2734 REAL y, REAL width, REAL height)
2736 GpPath *path;
2737 GpStatus status;
2739 TRACE("(%p, %p, %.2f, %.2f, %.2f, %.2f)\n", graphics, pen, x, y, width, height);
2741 if(!graphics || !pen)
2742 return InvalidParameter;
2744 if(graphics->busy)
2745 return ObjectBusy;
2747 status = GdipCreatePath(FillModeAlternate, &path);
2748 if (status != Ok) return status;
2750 status = GdipAddPathEllipse(path, x, y, width, height);
2751 if (status == Ok)
2752 status = GdipDrawPath(graphics, pen, path);
2754 GdipDeletePath(path);
2755 return status;
2758 GpStatus WINGDIPAPI GdipDrawEllipseI(GpGraphics *graphics, GpPen *pen, INT x,
2759 INT y, INT width, INT height)
2761 TRACE("(%p, %p, %d, %d, %d, %d)\n", graphics, pen, x, y, width, height);
2763 return GdipDrawEllipse(graphics,pen,(REAL)x,(REAL)y,(REAL)width,(REAL)height);
2767 GpStatus WINGDIPAPI GdipDrawImage(GpGraphics *graphics, GpImage *image, REAL x, REAL y)
2769 UINT width, height;
2771 TRACE("(%p, %p, %.2f, %.2f)\n", graphics, image, x, y);
2773 if(!graphics || !image)
2774 return InvalidParameter;
2776 GdipGetImageWidth(image, &width);
2777 GdipGetImageHeight(image, &height);
2779 return GdipDrawImagePointRect(graphics, image, x, y,
2780 0.0, 0.0, (REAL)width, (REAL)height, UnitPixel);
2783 GpStatus WINGDIPAPI GdipDrawImageI(GpGraphics *graphics, GpImage *image, INT x,
2784 INT y)
2786 TRACE("(%p, %p, %d, %d)\n", graphics, image, x, y);
2788 return GdipDrawImage(graphics, image, (REAL)x, (REAL)y);
2791 GpStatus WINGDIPAPI GdipDrawImagePointRect(GpGraphics *graphics, GpImage *image,
2792 REAL x, REAL y, REAL srcx, REAL srcy, REAL srcwidth, REAL srcheight,
2793 GpUnit srcUnit)
2795 GpPointF points[3];
2796 REAL scale_x, scale_y, width, height;
2798 TRACE("(%p, %p, %f, %f, %f, %f, %f, %f, %d)\n", graphics, image, x, y, srcx, srcy, srcwidth, srcheight, srcUnit);
2800 if (!graphics || !image) return InvalidParameter;
2802 scale_x = units_scale(srcUnit, graphics->unit, graphics->xres);
2803 scale_x *= graphics->xres / image->xres;
2804 scale_y = units_scale(srcUnit, graphics->unit, graphics->yres);
2805 scale_y *= graphics->yres / image->yres;
2806 width = srcwidth * scale_x;
2807 height = srcheight * scale_y;
2809 points[0].X = points[2].X = x;
2810 points[0].Y = points[1].Y = y;
2811 points[1].X = x + width;
2812 points[2].Y = y + height;
2814 return GdipDrawImagePointsRect(graphics, image, points, 3, srcx, srcy,
2815 srcwidth, srcheight, srcUnit, NULL, NULL, NULL);
2818 GpStatus WINGDIPAPI GdipDrawImagePointRectI(GpGraphics *graphics, GpImage *image,
2819 INT x, INT y, INT srcx, INT srcy, INT srcwidth, INT srcheight,
2820 GpUnit srcUnit)
2822 return GdipDrawImagePointRect(graphics, image, x, y, srcx, srcy, srcwidth, srcheight, srcUnit);
2825 GpStatus WINGDIPAPI GdipDrawImagePoints(GpGraphics *graphics, GpImage *image,
2826 GDIPCONST GpPointF *dstpoints, INT count)
2828 UINT width, height;
2830 TRACE("(%p, %p, %p, %d)\n", graphics, image, dstpoints, count);
2832 if(!image)
2833 return InvalidParameter;
2835 GdipGetImageWidth(image, &width);
2836 GdipGetImageHeight(image, &height);
2838 return GdipDrawImagePointsRect(graphics, image, dstpoints, count, 0, 0,
2839 width, height, UnitPixel, NULL, NULL, NULL);
2842 GpStatus WINGDIPAPI GdipDrawImagePointsI(GpGraphics *graphics, GpImage *image,
2843 GDIPCONST GpPoint *dstpoints, INT count)
2845 GpPointF ptf[3];
2847 TRACE("(%p, %p, %p, %d)\n", graphics, image, dstpoints, count);
2849 if (count != 3 || !dstpoints)
2850 return InvalidParameter;
2852 ptf[0].X = (REAL)dstpoints[0].X;
2853 ptf[0].Y = (REAL)dstpoints[0].Y;
2854 ptf[1].X = (REAL)dstpoints[1].X;
2855 ptf[1].Y = (REAL)dstpoints[1].Y;
2856 ptf[2].X = (REAL)dstpoints[2].X;
2857 ptf[2].Y = (REAL)dstpoints[2].Y;
2859 return GdipDrawImagePoints(graphics, image, ptf, count);
2862 static BOOL CALLBACK play_metafile_proc(EmfPlusRecordType record_type, unsigned int flags,
2863 unsigned int dataSize, const unsigned char *pStr, void *userdata)
2865 GdipPlayMetafileRecord(userdata, record_type, flags, dataSize, pStr);
2866 return TRUE;
2869 GpStatus WINGDIPAPI GdipDrawImagePointsRect(GpGraphics *graphics, GpImage *image,
2870 GDIPCONST GpPointF *points, INT count, REAL srcx, REAL srcy, REAL srcwidth,
2871 REAL srcheight, GpUnit srcUnit, GDIPCONST GpImageAttributes* imageAttributes,
2872 DrawImageAbort callback, VOID * callbackData)
2874 GpPointF ptf[4];
2875 POINT pti[4];
2876 GpStatus stat;
2878 TRACE("(%p, %p, %p, %d, %f, %f, %f, %f, %d, %p, %p, %p)\n", graphics, image, points,
2879 count, srcx, srcy, srcwidth, srcheight, srcUnit, imageAttributes, callback,
2880 callbackData);
2882 if (count > 3)
2883 return NotImplemented;
2885 if(!graphics || !image || !points || count != 3)
2886 return InvalidParameter;
2888 TRACE("%s %s %s\n", debugstr_pointf(&points[0]), debugstr_pointf(&points[1]),
2889 debugstr_pointf(&points[2]));
2891 memcpy(ptf, points, 3 * sizeof(GpPointF));
2892 ptf[3].X = ptf[2].X + ptf[1].X - ptf[0].X;
2893 ptf[3].Y = ptf[2].Y + ptf[1].Y - ptf[0].Y;
2894 if (!srcwidth || !srcheight || ptf[3].X == ptf[0].X || ptf[3].Y == ptf[0].Y)
2895 return Ok;
2896 transform_and_round_points(graphics, pti, ptf, 4);
2898 TRACE("%s %s %s %s\n", wine_dbgstr_point(&pti[0]), wine_dbgstr_point(&pti[1]),
2899 wine_dbgstr_point(&pti[2]), wine_dbgstr_point(&pti[3]));
2901 srcx = units_to_pixels(srcx, srcUnit, image->xres);
2902 srcy = units_to_pixels(srcy, srcUnit, image->yres);
2903 srcwidth = units_to_pixels(srcwidth, srcUnit, image->xres);
2904 srcheight = units_to_pixels(srcheight, srcUnit, image->yres);
2905 TRACE("src pixels: %f,%f %fx%f\n", srcx, srcy, srcwidth, srcheight);
2907 if (image->picture)
2909 if (!graphics->hdc)
2911 FIXME("graphics object has no HDC\n");
2914 if(IPicture_Render(image->picture, graphics->hdc,
2915 pti[0].x, pti[0].y, pti[1].x - pti[0].x, pti[2].y - pti[0].y,
2916 srcx, srcy, srcwidth, srcheight, NULL) != S_OK)
2918 if(callback)
2919 callback(callbackData);
2920 return GenericError;
2923 else if (image->type == ImageTypeBitmap)
2925 GpBitmap* bitmap = (GpBitmap*)image;
2926 int use_software=0;
2928 TRACE("graphics: %.2fx%.2f dpi, fmt %#x, scale %f, image: %.2fx%.2f dpi, fmt %#x, color %08x\n",
2929 graphics->xres, graphics->yres,
2930 graphics->image && graphics->image->type == ImageTypeBitmap ? ((GpBitmap *)graphics->image)->format : 0,
2931 graphics->scale, image->xres, image->yres, bitmap->format,
2932 imageAttributes ? imageAttributes->outside_color : 0);
2934 if (imageAttributes || graphics->alpha_hdc ||
2935 (graphics->image && graphics->image->type == ImageTypeBitmap) ||
2936 ptf[1].Y != ptf[0].Y || ptf[2].X != ptf[0].X ||
2937 ptf[1].X - ptf[0].X != srcwidth || ptf[2].Y - ptf[0].Y != srcheight ||
2938 srcx < 0 || srcy < 0 ||
2939 srcx + srcwidth > bitmap->width || srcy + srcheight > bitmap->height)
2940 use_software = 1;
2942 if (use_software)
2944 RECT dst_area;
2945 GpRect src_area;
2946 int i, x, y, src_stride, dst_stride;
2947 GpMatrix dst_to_src;
2948 REAL m11, m12, m21, m22, mdx, mdy;
2949 LPBYTE src_data, dst_data;
2950 BitmapData lockeddata;
2951 InterpolationMode interpolation = graphics->interpolation;
2952 PixelOffsetMode offset_mode = graphics->pixeloffset;
2953 GpPointF dst_to_src_points[3] = {{0.0, 0.0}, {1.0, 0.0}, {0.0, 1.0}};
2954 REAL x_dx, x_dy, y_dx, y_dy;
2955 static const GpImageAttributes defaultImageAttributes = {WrapModeClamp, 0, FALSE};
2957 if (!imageAttributes)
2958 imageAttributes = &defaultImageAttributes;
2960 dst_area.left = dst_area.right = pti[0].x;
2961 dst_area.top = dst_area.bottom = pti[0].y;
2962 for (i=1; i<4; i++)
2964 if (dst_area.left > pti[i].x) dst_area.left = pti[i].x;
2965 if (dst_area.right < pti[i].x) dst_area.right = pti[i].x;
2966 if (dst_area.top > pti[i].y) dst_area.top = pti[i].y;
2967 if (dst_area.bottom < pti[i].y) dst_area.bottom = pti[i].y;
2970 TRACE("dst_area: %s\n", wine_dbgstr_rect(&dst_area));
2972 m11 = (ptf[1].X - ptf[0].X) / srcwidth;
2973 m21 = (ptf[2].X - ptf[0].X) / srcheight;
2974 mdx = ptf[0].X - m11 * srcx - m21 * srcy;
2975 m12 = (ptf[1].Y - ptf[0].Y) / srcwidth;
2976 m22 = (ptf[2].Y - ptf[0].Y) / srcheight;
2977 mdy = ptf[0].Y - m12 * srcx - m22 * srcy;
2979 GdipSetMatrixElements(&dst_to_src, m11, m12, m21, m22, mdx, mdy);
2981 stat = GdipInvertMatrix(&dst_to_src);
2982 if (stat != Ok) return stat;
2984 dst_data = GdipAlloc(sizeof(ARGB) * (dst_area.right - dst_area.left) * (dst_area.bottom - dst_area.top));
2985 if (!dst_data) return OutOfMemory;
2987 dst_stride = sizeof(ARGB) * (dst_area.right - dst_area.left);
2989 get_bitmap_sample_size(interpolation, imageAttributes->wrap,
2990 bitmap, srcx, srcy, srcwidth, srcheight, &src_area);
2992 TRACE("src_area: %d x %d\n", src_area.Width, src_area.Height);
2994 src_data = GdipAlloc(sizeof(ARGB) * src_area.Width * src_area.Height);
2995 if (!src_data)
2997 GdipFree(dst_data);
2998 return OutOfMemory;
3000 src_stride = sizeof(ARGB) * src_area.Width;
3002 /* Read the bits we need from the source bitmap into an ARGB buffer. */
3003 lockeddata.Width = src_area.Width;
3004 lockeddata.Height = src_area.Height;
3005 lockeddata.Stride = src_stride;
3006 lockeddata.PixelFormat = PixelFormat32bppARGB;
3007 lockeddata.Scan0 = src_data;
3009 stat = GdipBitmapLockBits(bitmap, &src_area, ImageLockModeRead|ImageLockModeUserInputBuf,
3010 PixelFormat32bppARGB, &lockeddata);
3012 if (stat == Ok)
3013 stat = GdipBitmapUnlockBits(bitmap, &lockeddata);
3015 if (stat != Ok)
3017 if (src_data != dst_data)
3018 GdipFree(src_data);
3019 GdipFree(dst_data);
3020 return stat;
3023 apply_image_attributes(imageAttributes, src_data,
3024 src_area.Width, src_area.Height,
3025 src_stride, ColorAdjustTypeBitmap);
3027 /* Transform the bits as needed to the destination. */
3028 GdipTransformMatrixPoints(&dst_to_src, dst_to_src_points, 3);
3030 x_dx = dst_to_src_points[1].X - dst_to_src_points[0].X;
3031 x_dy = dst_to_src_points[1].Y - dst_to_src_points[0].Y;
3032 y_dx = dst_to_src_points[2].X - dst_to_src_points[0].X;
3033 y_dy = dst_to_src_points[2].Y - dst_to_src_points[0].Y;
3035 for (x=dst_area.left; x<dst_area.right; x++)
3037 for (y=dst_area.top; y<dst_area.bottom; y++)
3039 GpPointF src_pointf;
3040 ARGB *dst_color;
3042 src_pointf.X = dst_to_src_points[0].X + x * x_dx + y * y_dx;
3043 src_pointf.Y = dst_to_src_points[0].Y + x * x_dy + y * y_dy;
3045 dst_color = (ARGB*)(dst_data + dst_stride * (y - dst_area.top) + sizeof(ARGB) * (x - dst_area.left));
3047 if (src_pointf.X >= srcx && src_pointf.X < srcx + srcwidth && src_pointf.Y >= srcy && src_pointf.Y < srcy+srcheight)
3048 *dst_color = resample_bitmap_pixel(&src_area, src_data, bitmap->width, bitmap->height, &src_pointf,
3049 imageAttributes, interpolation, offset_mode);
3050 else
3051 *dst_color = 0;
3055 GdipFree(src_data);
3057 stat = alpha_blend_pixels(graphics, dst_area.left, dst_area.top,
3058 dst_data, dst_area.right - dst_area.left, dst_area.bottom - dst_area.top, dst_stride);
3060 GdipFree(dst_data);
3062 return stat;
3064 else
3066 HDC hdc;
3067 int temp_hdc=0, temp_bitmap=0;
3068 HBITMAP hbitmap, old_hbm=NULL;
3070 if (!(bitmap->format == PixelFormat16bppRGB555 ||
3071 bitmap->format == PixelFormat24bppRGB ||
3072 bitmap->format == PixelFormat32bppRGB ||
3073 bitmap->format == PixelFormat32bppPARGB))
3075 BITMAPINFOHEADER bih;
3076 BYTE *temp_bits;
3077 PixelFormat dst_format;
3079 /* we can't draw a bitmap of this format directly */
3080 hdc = CreateCompatibleDC(0);
3081 temp_hdc = 1;
3082 temp_bitmap = 1;
3084 bih.biSize = sizeof(BITMAPINFOHEADER);
3085 bih.biWidth = bitmap->width;
3086 bih.biHeight = -bitmap->height;
3087 bih.biPlanes = 1;
3088 bih.biBitCount = 32;
3089 bih.biCompression = BI_RGB;
3090 bih.biSizeImage = 0;
3091 bih.biXPelsPerMeter = 0;
3092 bih.biYPelsPerMeter = 0;
3093 bih.biClrUsed = 0;
3094 bih.biClrImportant = 0;
3096 hbitmap = CreateDIBSection(hdc, (BITMAPINFO*)&bih, DIB_RGB_COLORS,
3097 (void**)&temp_bits, NULL, 0);
3099 if (bitmap->format & (PixelFormatAlpha|PixelFormatPAlpha))
3100 dst_format = PixelFormat32bppPARGB;
3101 else
3102 dst_format = PixelFormat32bppRGB;
3104 convert_pixels(bitmap->width, bitmap->height,
3105 bitmap->width*4, temp_bits, dst_format,
3106 bitmap->stride, bitmap->bits, bitmap->format,
3107 bitmap->image.palette);
3109 else
3111 if (bitmap->hbitmap)
3112 hbitmap = bitmap->hbitmap;
3113 else
3115 GdipCreateHBITMAPFromBitmap(bitmap, &hbitmap, 0);
3116 temp_bitmap = 1;
3119 hdc = bitmap->hdc;
3120 temp_hdc = (hdc == 0);
3123 if (temp_hdc)
3125 if (!hdc) hdc = CreateCompatibleDC(0);
3126 old_hbm = SelectObject(hdc, hbitmap);
3129 if (bitmap->format & (PixelFormatAlpha|PixelFormatPAlpha))
3131 gdi_alpha_blend(graphics, pti[0].x, pti[0].y, pti[1].x - pti[0].x, pti[2].y - pti[0].y,
3132 hdc, srcx, srcy, srcwidth, srcheight);
3134 else
3136 StretchBlt(graphics->hdc, pti[0].x, pti[0].y, pti[1].x-pti[0].x, pti[2].y-pti[0].y,
3137 hdc, srcx, srcy, srcwidth, srcheight, SRCCOPY);
3140 if (temp_hdc)
3142 SelectObject(hdc, old_hbm);
3143 DeleteDC(hdc);
3146 if (temp_bitmap)
3147 DeleteObject(hbitmap);
3150 else if (image->type == ImageTypeMetafile && ((GpMetafile*)image)->hemf)
3152 GpRectF rc;
3154 rc.X = srcx;
3155 rc.Y = srcy;
3156 rc.Width = srcwidth;
3157 rc.Height = srcheight;
3159 return GdipEnumerateMetafileSrcRectDestPoints(graphics, (GpMetafile*)image,
3160 points, count, &rc, srcUnit, play_metafile_proc, image, imageAttributes);
3162 else
3164 WARN("GpImage with nothing we can draw (metafile in wrong state?)\n");
3165 return InvalidParameter;
3168 return Ok;
3171 GpStatus WINGDIPAPI GdipDrawImagePointsRectI(GpGraphics *graphics, GpImage *image,
3172 GDIPCONST GpPoint *points, INT count, INT srcx, INT srcy, INT srcwidth,
3173 INT srcheight, GpUnit srcUnit, GDIPCONST GpImageAttributes* imageAttributes,
3174 DrawImageAbort callback, VOID * callbackData)
3176 GpPointF pointsF[3];
3177 INT i;
3179 TRACE("(%p, %p, %p, %d, %d, %d, %d, %d, %d, %p, %p, %p)\n", graphics, image, points, count,
3180 srcx, srcy, srcwidth, srcheight, srcUnit, imageAttributes, callback,
3181 callbackData);
3183 if(!points || count!=3)
3184 return InvalidParameter;
3186 for(i = 0; i < count; i++){
3187 pointsF[i].X = (REAL)points[i].X;
3188 pointsF[i].Y = (REAL)points[i].Y;
3191 return GdipDrawImagePointsRect(graphics, image, pointsF, count, (REAL)srcx, (REAL)srcy,
3192 (REAL)srcwidth, (REAL)srcheight, srcUnit, imageAttributes,
3193 callback, callbackData);
3196 GpStatus WINGDIPAPI GdipDrawImageRectRect(GpGraphics *graphics, GpImage *image,
3197 REAL dstx, REAL dsty, REAL dstwidth, REAL dstheight, REAL srcx, REAL srcy,
3198 REAL srcwidth, REAL srcheight, GpUnit srcUnit,
3199 GDIPCONST GpImageAttributes* imageattr, DrawImageAbort callback,
3200 VOID * callbackData)
3202 GpPointF points[3];
3204 TRACE("(%p, %p, %.2f, %.2f, %.2f, %.2f, %.2f, %.2f, %.2f, %.2f, %d, %p, %p, %p)\n",
3205 graphics, image, dstx, dsty, dstwidth, dstheight, srcx, srcy,
3206 srcwidth, srcheight, srcUnit, imageattr, callback, callbackData);
3208 points[0].X = dstx;
3209 points[0].Y = dsty;
3210 points[1].X = dstx + dstwidth;
3211 points[1].Y = dsty;
3212 points[2].X = dstx;
3213 points[2].Y = dsty + dstheight;
3215 return GdipDrawImagePointsRect(graphics, image, points, 3, srcx, srcy,
3216 srcwidth, srcheight, srcUnit, imageattr, callback, callbackData);
3219 GpStatus WINGDIPAPI GdipDrawImageRectRectI(GpGraphics *graphics, GpImage *image,
3220 INT dstx, INT dsty, INT dstwidth, INT dstheight, INT srcx, INT srcy,
3221 INT srcwidth, INT srcheight, GpUnit srcUnit,
3222 GDIPCONST GpImageAttributes* imageAttributes, DrawImageAbort callback,
3223 VOID * callbackData)
3225 GpPointF points[3];
3227 TRACE("(%p, %p, %d, %d, %d, %d, %d, %d, %d, %d, %d, %p, %p, %p)\n",
3228 graphics, image, dstx, dsty, dstwidth, dstheight, srcx, srcy,
3229 srcwidth, srcheight, srcUnit, imageAttributes, callback, callbackData);
3231 points[0].X = dstx;
3232 points[0].Y = dsty;
3233 points[1].X = dstx + dstwidth;
3234 points[1].Y = dsty;
3235 points[2].X = dstx;
3236 points[2].Y = dsty + dstheight;
3238 return GdipDrawImagePointsRect(graphics, image, points, 3, srcx, srcy,
3239 srcwidth, srcheight, srcUnit, imageAttributes, callback, callbackData);
3242 GpStatus WINGDIPAPI GdipDrawImageRect(GpGraphics *graphics, GpImage *image,
3243 REAL x, REAL y, REAL width, REAL height)
3245 RectF bounds;
3246 GpUnit unit;
3247 GpStatus ret;
3249 TRACE("(%p, %p, %.2f, %.2f, %.2f, %.2f)\n", graphics, image, x, y, width, height);
3251 if(!graphics || !image)
3252 return InvalidParameter;
3254 ret = GdipGetImageBounds(image, &bounds, &unit);
3255 if(ret != Ok)
3256 return ret;
3258 return GdipDrawImageRectRect(graphics, image, x, y, width, height,
3259 bounds.X, bounds.Y, bounds.Width, bounds.Height,
3260 unit, NULL, NULL, NULL);
3263 GpStatus WINGDIPAPI GdipDrawImageRectI(GpGraphics *graphics, GpImage *image,
3264 INT x, INT y, INT width, INT height)
3266 TRACE("(%p, %p, %d, %d, %d, %d)\n", graphics, image, x, y, width, height);
3268 return GdipDrawImageRect(graphics, image, (REAL)x, (REAL)y, (REAL)width, (REAL)height);
3271 GpStatus WINGDIPAPI GdipDrawLine(GpGraphics *graphics, GpPen *pen, REAL x1,
3272 REAL y1, REAL x2, REAL y2)
3274 GpPointF pt[2];
3276 TRACE("(%p, %p, %.2f, %.2f, %.2f, %.2f)\n", graphics, pen, x1, y1, x2, y2);
3278 pt[0].X = x1;
3279 pt[0].Y = y1;
3280 pt[1].X = x2;
3281 pt[1].Y = y2;
3282 return GdipDrawLines(graphics, pen, pt, 2);
3285 GpStatus WINGDIPAPI GdipDrawLineI(GpGraphics *graphics, GpPen *pen, INT x1,
3286 INT y1, INT x2, INT y2)
3288 TRACE("(%p, %p, %d, %d, %d, %d)\n", graphics, pen, x1, y1, x2, y2);
3290 return GdipDrawLine(graphics, pen, (REAL)x1, (REAL)y1, (REAL)x2, (REAL)y2);
3293 GpStatus WINGDIPAPI GdipDrawLines(GpGraphics *graphics, GpPen *pen, GDIPCONST
3294 GpPointF *points, INT count)
3296 GpStatus status;
3297 GpPath *path;
3299 TRACE("(%p, %p, %p, %d)\n", graphics, pen, points, count);
3301 if(!pen || !graphics || (count < 2))
3302 return InvalidParameter;
3304 if(graphics->busy)
3305 return ObjectBusy;
3307 status = GdipCreatePath(FillModeAlternate, &path);
3308 if (status != Ok) return status;
3310 status = GdipAddPathLine2(path, points, count);
3311 if (status == Ok)
3312 status = GdipDrawPath(graphics, pen, path);
3314 GdipDeletePath(path);
3315 return status;
3318 GpStatus WINGDIPAPI GdipDrawLinesI(GpGraphics *graphics, GpPen *pen, GDIPCONST
3319 GpPoint *points, INT count)
3321 GpStatus retval;
3322 GpPointF *ptf;
3323 int i;
3325 TRACE("(%p, %p, %p, %d)\n", graphics, pen, points, count);
3327 ptf = GdipAlloc(count * sizeof(GpPointF));
3328 if(!ptf) return OutOfMemory;
3330 for(i = 0; i < count; i ++){
3331 ptf[i].X = (REAL) points[i].X;
3332 ptf[i].Y = (REAL) points[i].Y;
3335 retval = GdipDrawLines(graphics, pen, ptf, count);
3337 GdipFree(ptf);
3338 return retval;
3341 GpStatus WINGDIPAPI GdipDrawPath(GpGraphics *graphics, GpPen *pen, GpPath *path)
3343 INT save_state;
3344 GpStatus retval;
3345 HRGN hrgn=NULL;
3347 TRACE("(%p, %p, %p)\n", graphics, pen, path);
3349 if(!pen || !graphics)
3350 return InvalidParameter;
3352 if(graphics->busy)
3353 return ObjectBusy;
3355 if (!graphics->hdc)
3357 FIXME("graphics object has no HDC\n");
3358 return Ok;
3361 save_state = prepare_dc(graphics, pen);
3363 retval = get_clip_hrgn(graphics, &hrgn);
3365 if (retval != Ok)
3366 goto end;
3368 if (hrgn)
3369 ExtSelectClipRgn(graphics->hdc, hrgn, RGN_AND);
3371 retval = draw_poly(graphics, pen, path->pathdata.Points,
3372 path->pathdata.Types, path->pathdata.Count, TRUE);
3374 end:
3375 restore_dc(graphics, save_state);
3376 DeleteObject(hrgn);
3378 return retval;
3381 GpStatus WINGDIPAPI GdipDrawPie(GpGraphics *graphics, GpPen *pen, REAL x,
3382 REAL y, REAL width, REAL height, REAL startAngle, REAL sweepAngle)
3384 GpStatus status;
3385 GpPath *path;
3387 TRACE("(%p, %p, %.2f, %.2f, %.2f, %.2f, %.2f, %.2f)\n", graphics, pen, x, y,
3388 width, height, startAngle, sweepAngle);
3390 if(!graphics || !pen)
3391 return InvalidParameter;
3393 if(graphics->busy)
3394 return ObjectBusy;
3396 status = GdipCreatePath(FillModeAlternate, &path);
3397 if (status != Ok) return status;
3399 status = GdipAddPathPie(path, x, y, width, height, startAngle, sweepAngle);
3400 if (status == Ok)
3401 status = GdipDrawPath(graphics, pen, path);
3403 GdipDeletePath(path);
3404 return status;
3407 GpStatus WINGDIPAPI GdipDrawPieI(GpGraphics *graphics, GpPen *pen, INT x,
3408 INT y, INT width, INT height, REAL startAngle, REAL sweepAngle)
3410 TRACE("(%p, %p, %d, %d, %d, %d, %.2f, %.2f)\n", graphics, pen, x, y,
3411 width, height, startAngle, sweepAngle);
3413 return GdipDrawPie(graphics,pen,(REAL)x,(REAL)y,(REAL)width,(REAL)height,startAngle,sweepAngle);
3416 GpStatus WINGDIPAPI GdipDrawRectangle(GpGraphics *graphics, GpPen *pen, REAL x,
3417 REAL y, REAL width, REAL height)
3419 GpStatus status;
3420 GpPath *path;
3422 TRACE("(%p, %p, %.2f, %.2f, %.2f, %.2f)\n", graphics, pen, x, y, width, height);
3424 if(!pen || !graphics)
3425 return InvalidParameter;
3427 if(graphics->busy)
3428 return ObjectBusy;
3430 status = GdipCreatePath(FillModeAlternate, &path);
3431 if (status != Ok) return status;
3433 status = GdipAddPathRectangle(path, x, y, width, height);
3434 if (status == Ok)
3435 status = GdipDrawPath(graphics, pen, path);
3437 GdipDeletePath(path);
3438 return status;
3441 GpStatus WINGDIPAPI GdipDrawRectangleI(GpGraphics *graphics, GpPen *pen, INT x,
3442 INT y, INT width, INT height)
3444 TRACE("(%p, %p, %d, %d, %d, %d)\n", graphics, pen, x, y, width, height);
3446 return GdipDrawRectangle(graphics,pen,(REAL)x,(REAL)y,(REAL)width,(REAL)height);
3449 GpStatus WINGDIPAPI GdipDrawRectangles(GpGraphics *graphics, GpPen *pen,
3450 GDIPCONST GpRectF* rects, INT count)
3452 GpStatus status;
3453 GpPath *path;
3455 TRACE("(%p, %p, %p, %d)\n", graphics, pen, rects, count);
3457 if(!graphics || !pen || !rects || count < 1)
3458 return InvalidParameter;
3460 if(graphics->busy)
3461 return ObjectBusy;
3463 status = GdipCreatePath(FillModeAlternate, &path);
3464 if (status != Ok) return status;
3466 status = GdipAddPathRectangles(path, rects, count);
3467 if (status == Ok)
3468 status = GdipDrawPath(graphics, pen, path);
3470 GdipDeletePath(path);
3471 return status;
3474 GpStatus WINGDIPAPI GdipDrawRectanglesI(GpGraphics *graphics, GpPen *pen,
3475 GDIPCONST GpRect* rects, INT count)
3477 GpRectF *rectsF;
3478 GpStatus ret;
3479 INT i;
3481 TRACE("(%p, %p, %p, %d)\n", graphics, pen, rects, count);
3483 if(!rects || count<=0)
3484 return InvalidParameter;
3486 rectsF = GdipAlloc(sizeof(GpRectF) * count);
3487 if(!rectsF)
3488 return OutOfMemory;
3490 for(i = 0;i < count;i++){
3491 rectsF[i].X = (REAL)rects[i].X;
3492 rectsF[i].Y = (REAL)rects[i].Y;
3493 rectsF[i].Width = (REAL)rects[i].Width;
3494 rectsF[i].Height = (REAL)rects[i].Height;
3497 ret = GdipDrawRectangles(graphics, pen, rectsF, count);
3498 GdipFree(rectsF);
3500 return ret;
3503 GpStatus WINGDIPAPI GdipFillClosedCurve2(GpGraphics *graphics, GpBrush *brush,
3504 GDIPCONST GpPointF *points, INT count, REAL tension, GpFillMode fill)
3506 GpPath *path;
3507 GpStatus status;
3509 TRACE("(%p, %p, %p, %d, %.2f, %d)\n", graphics, brush, points,
3510 count, tension, fill);
3512 if(!graphics || !brush || !points)
3513 return InvalidParameter;
3515 if(graphics->busy)
3516 return ObjectBusy;
3518 if(count == 1) /* Do nothing */
3519 return Ok;
3521 status = GdipCreatePath(fill, &path);
3522 if (status != Ok) return status;
3524 status = GdipAddPathClosedCurve2(path, points, count, tension);
3525 if (status == Ok)
3526 status = GdipFillPath(graphics, brush, path);
3528 GdipDeletePath(path);
3529 return status;
3532 GpStatus WINGDIPAPI GdipFillClosedCurve2I(GpGraphics *graphics, GpBrush *brush,
3533 GDIPCONST GpPoint *points, INT count, REAL tension, GpFillMode fill)
3535 GpPointF *ptf;
3536 GpStatus stat;
3537 INT i;
3539 TRACE("(%p, %p, %p, %d, %.2f, %d)\n", graphics, brush, points,
3540 count, tension, fill);
3542 if(!points || count == 0)
3543 return InvalidParameter;
3545 if(count == 1) /* Do nothing */
3546 return Ok;
3548 ptf = GdipAlloc(sizeof(GpPointF)*count);
3549 if(!ptf)
3550 return OutOfMemory;
3552 for(i = 0;i < count;i++){
3553 ptf[i].X = (REAL)points[i].X;
3554 ptf[i].Y = (REAL)points[i].Y;
3557 stat = GdipFillClosedCurve2(graphics, brush, ptf, count, tension, fill);
3559 GdipFree(ptf);
3561 return stat;
3564 GpStatus WINGDIPAPI GdipFillClosedCurve(GpGraphics *graphics, GpBrush *brush,
3565 GDIPCONST GpPointF *points, INT count)
3567 TRACE("(%p, %p, %p, %d)\n", graphics, brush, points, count);
3568 return GdipFillClosedCurve2(graphics, brush, points, count,
3569 0.5f, FillModeAlternate);
3572 GpStatus WINGDIPAPI GdipFillClosedCurveI(GpGraphics *graphics, GpBrush *brush,
3573 GDIPCONST GpPoint *points, INT count)
3575 TRACE("(%p, %p, %p, %d)\n", graphics, brush, points, count);
3576 return GdipFillClosedCurve2I(graphics, brush, points, count,
3577 0.5f, FillModeAlternate);
3580 GpStatus WINGDIPAPI GdipFillEllipse(GpGraphics *graphics, GpBrush *brush, REAL x,
3581 REAL y, REAL width, REAL height)
3583 GpStatus stat;
3584 GpPath *path;
3586 TRACE("(%p, %p, %.2f, %.2f, %.2f, %.2f)\n", graphics, brush, x, y, width, height);
3588 if(!graphics || !brush)
3589 return InvalidParameter;
3591 if(graphics->busy)
3592 return ObjectBusy;
3594 stat = GdipCreatePath(FillModeAlternate, &path);
3596 if (stat == Ok)
3598 stat = GdipAddPathEllipse(path, x, y, width, height);
3600 if (stat == Ok)
3601 stat = GdipFillPath(graphics, brush, path);
3603 GdipDeletePath(path);
3606 return stat;
3609 GpStatus WINGDIPAPI GdipFillEllipseI(GpGraphics *graphics, GpBrush *brush, INT x,
3610 INT y, INT width, INT height)
3612 TRACE("(%p, %p, %d, %d, %d, %d)\n", graphics, brush, x, y, width, height);
3614 return GdipFillEllipse(graphics,brush,(REAL)x,(REAL)y,(REAL)width,(REAL)height);
3617 static GpStatus GDI32_GdipFillPath(GpGraphics *graphics, GpBrush *brush, GpPath *path)
3619 INT save_state;
3620 GpStatus retval;
3621 HRGN hrgn=NULL;
3623 if(!graphics->hdc || !brush_can_fill_path(brush))
3624 return NotImplemented;
3626 save_state = SaveDC(graphics->hdc);
3627 EndPath(graphics->hdc);
3628 SetPolyFillMode(graphics->hdc, (path->fill == FillModeAlternate ? ALTERNATE
3629 : WINDING));
3631 retval = get_clip_hrgn(graphics, &hrgn);
3633 if (retval != Ok)
3634 goto end;
3636 if (hrgn)
3637 ExtSelectClipRgn(graphics->hdc, hrgn, RGN_AND);
3639 BeginPath(graphics->hdc);
3640 retval = draw_poly(graphics, NULL, path->pathdata.Points,
3641 path->pathdata.Types, path->pathdata.Count, FALSE);
3643 if(retval != Ok)
3644 goto end;
3646 EndPath(graphics->hdc);
3647 brush_fill_path(graphics, brush);
3649 retval = Ok;
3651 end:
3652 RestoreDC(graphics->hdc, save_state);
3653 DeleteObject(hrgn);
3655 return retval;
3658 static GpStatus SOFTWARE_GdipFillPath(GpGraphics *graphics, GpBrush *brush, GpPath *path)
3660 GpStatus stat;
3661 GpRegion *rgn;
3663 if (!brush_can_fill_pixels(brush))
3664 return NotImplemented;
3666 /* FIXME: This could probably be done more efficiently without regions. */
3668 stat = GdipCreateRegionPath(path, &rgn);
3670 if (stat == Ok)
3672 stat = GdipFillRegion(graphics, brush, rgn);
3674 GdipDeleteRegion(rgn);
3677 return stat;
3680 GpStatus WINGDIPAPI GdipFillPath(GpGraphics *graphics, GpBrush *brush, GpPath *path)
3682 GpStatus stat = NotImplemented;
3684 TRACE("(%p, %p, %p)\n", graphics, brush, path);
3686 if(!brush || !graphics || !path)
3687 return InvalidParameter;
3689 if(graphics->busy)
3690 return ObjectBusy;
3692 if (!graphics->image && !graphics->alpha_hdc)
3693 stat = GDI32_GdipFillPath(graphics, brush, path);
3695 if (stat == NotImplemented)
3696 stat = SOFTWARE_GdipFillPath(graphics, brush, path);
3698 if (stat == NotImplemented)
3700 FIXME("Not implemented for brushtype %i\n", brush->bt);
3701 stat = Ok;
3704 return stat;
3707 GpStatus WINGDIPAPI GdipFillPie(GpGraphics *graphics, GpBrush *brush, REAL x,
3708 REAL y, REAL width, REAL height, REAL startAngle, REAL sweepAngle)
3710 GpStatus stat;
3711 GpPath *path;
3713 TRACE("(%p, %p, %.2f, %.2f, %.2f, %.2f, %.2f, %.2f)\n",
3714 graphics, brush, x, y, width, height, startAngle, sweepAngle);
3716 if(!graphics || !brush)
3717 return InvalidParameter;
3719 if(graphics->busy)
3720 return ObjectBusy;
3722 stat = GdipCreatePath(FillModeAlternate, &path);
3724 if (stat == Ok)
3726 stat = GdipAddPathPie(path, x, y, width, height, startAngle, sweepAngle);
3728 if (stat == Ok)
3729 stat = GdipFillPath(graphics, brush, path);
3731 GdipDeletePath(path);
3734 return stat;
3737 GpStatus WINGDIPAPI GdipFillPieI(GpGraphics *graphics, GpBrush *brush, INT x,
3738 INT y, INT width, INT height, REAL startAngle, REAL sweepAngle)
3740 TRACE("(%p, %p, %d, %d, %d, %d, %.2f, %.2f)\n",
3741 graphics, brush, x, y, width, height, startAngle, sweepAngle);
3743 return GdipFillPie(graphics,brush,(REAL)x,(REAL)y,(REAL)width,(REAL)height,startAngle,sweepAngle);
3746 GpStatus WINGDIPAPI GdipFillPolygon(GpGraphics *graphics, GpBrush *brush,
3747 GDIPCONST GpPointF *points, INT count, GpFillMode fillMode)
3749 GpStatus stat;
3750 GpPath *path;
3752 TRACE("(%p, %p, %p, %d, %d)\n", graphics, brush, points, count, fillMode);
3754 if(!graphics || !brush || !points || !count)
3755 return InvalidParameter;
3757 if(graphics->busy)
3758 return ObjectBusy;
3760 stat = GdipCreatePath(fillMode, &path);
3762 if (stat == Ok)
3764 stat = GdipAddPathPolygon(path, points, count);
3766 if (stat == Ok)
3767 stat = GdipFillPath(graphics, brush, path);
3769 GdipDeletePath(path);
3772 return stat;
3775 GpStatus WINGDIPAPI GdipFillPolygonI(GpGraphics *graphics, GpBrush *brush,
3776 GDIPCONST GpPoint *points, INT count, GpFillMode fillMode)
3778 GpStatus stat;
3779 GpPath *path;
3781 TRACE("(%p, %p, %p, %d, %d)\n", graphics, brush, points, count, fillMode);
3783 if(!graphics || !brush || !points || !count)
3784 return InvalidParameter;
3786 if(graphics->busy)
3787 return ObjectBusy;
3789 stat = GdipCreatePath(fillMode, &path);
3791 if (stat == Ok)
3793 stat = GdipAddPathPolygonI(path, points, count);
3795 if (stat == Ok)
3796 stat = GdipFillPath(graphics, brush, path);
3798 GdipDeletePath(path);
3801 return stat;
3804 GpStatus WINGDIPAPI GdipFillPolygon2(GpGraphics *graphics, GpBrush *brush,
3805 GDIPCONST GpPointF *points, INT count)
3807 TRACE("(%p, %p, %p, %d)\n", graphics, brush, points, count);
3809 return GdipFillPolygon(graphics, brush, points, count, FillModeAlternate);
3812 GpStatus WINGDIPAPI GdipFillPolygon2I(GpGraphics *graphics, GpBrush *brush,
3813 GDIPCONST GpPoint *points, INT count)
3815 TRACE("(%p, %p, %p, %d)\n", graphics, brush, points, count);
3817 return GdipFillPolygonI(graphics, brush, points, count, FillModeAlternate);
3820 GpStatus WINGDIPAPI GdipFillRectangle(GpGraphics *graphics, GpBrush *brush,
3821 REAL x, REAL y, REAL width, REAL height)
3823 GpRectF rect;
3825 TRACE("(%p, %p, %.2f, %.2f, %.2f, %.2f)\n", graphics, brush, x, y, width, height);
3827 rect.X = x;
3828 rect.Y = y;
3829 rect.Width = width;
3830 rect.Height = height;
3832 return GdipFillRectangles(graphics, brush, &rect, 1);
3835 GpStatus WINGDIPAPI GdipFillRectangleI(GpGraphics *graphics, GpBrush *brush,
3836 INT x, INT y, INT width, INT height)
3838 GpRectF rect;
3840 TRACE("(%p, %p, %d, %d, %d, %d)\n", graphics, brush, x, y, width, height);
3842 rect.X = (REAL)x;
3843 rect.Y = (REAL)y;
3844 rect.Width = (REAL)width;
3845 rect.Height = (REAL)height;
3847 return GdipFillRectangles(graphics, brush, &rect, 1);
3850 GpStatus WINGDIPAPI GdipFillRectangles(GpGraphics *graphics, GpBrush *brush, GDIPCONST GpRectF *rects,
3851 INT count)
3853 GpStatus status;
3854 GpPath *path;
3856 TRACE("(%p, %p, %p, %d)\n", graphics, brush, rects, count);
3858 if(!rects)
3859 return InvalidParameter;
3861 if (graphics->image && graphics->image->type == ImageTypeMetafile)
3863 status = METAFILE_FillRectangles((GpMetafile*)graphics->image, brush, rects, count);
3864 /* FIXME: Add gdi32 drawing. */
3865 return status;
3868 status = GdipCreatePath(FillModeAlternate, &path);
3869 if (status != Ok) return status;
3871 status = GdipAddPathRectangles(path, rects, count);
3872 if (status == Ok)
3873 status = GdipFillPath(graphics, brush, path);
3875 GdipDeletePath(path);
3876 return status;
3879 GpStatus WINGDIPAPI GdipFillRectanglesI(GpGraphics *graphics, GpBrush *brush, GDIPCONST GpRect *rects,
3880 INT count)
3882 GpRectF *rectsF;
3883 GpStatus ret;
3884 INT i;
3886 TRACE("(%p, %p, %p, %d)\n", graphics, brush, rects, count);
3888 if(!rects || count <= 0)
3889 return InvalidParameter;
3891 rectsF = GdipAlloc(sizeof(GpRectF)*count);
3892 if(!rectsF)
3893 return OutOfMemory;
3895 for(i = 0; i < count; i++){
3896 rectsF[i].X = (REAL)rects[i].X;
3897 rectsF[i].Y = (REAL)rects[i].Y;
3898 rectsF[i].X = (REAL)rects[i].Width;
3899 rectsF[i].Height = (REAL)rects[i].Height;
3902 ret = GdipFillRectangles(graphics,brush,rectsF,count);
3903 GdipFree(rectsF);
3905 return ret;
3908 static GpStatus GDI32_GdipFillRegion(GpGraphics* graphics, GpBrush* brush,
3909 GpRegion* region)
3911 INT save_state;
3912 GpStatus status;
3913 HRGN hrgn;
3914 RECT rc;
3916 if(!graphics->hdc || !brush_can_fill_path(brush))
3917 return NotImplemented;
3919 status = GdipGetRegionHRgn(region, graphics, &hrgn);
3920 if(status != Ok)
3921 return status;
3923 save_state = SaveDC(graphics->hdc);
3924 EndPath(graphics->hdc);
3926 ExtSelectClipRgn(graphics->hdc, hrgn, RGN_AND);
3928 if (GetClipBox(graphics->hdc, &rc) != NULLREGION)
3930 BeginPath(graphics->hdc);
3931 Rectangle(graphics->hdc, rc.left, rc.top, rc.right, rc.bottom);
3932 EndPath(graphics->hdc);
3934 brush_fill_path(graphics, brush);
3937 RestoreDC(graphics->hdc, save_state);
3939 DeleteObject(hrgn);
3941 return Ok;
3944 static GpStatus SOFTWARE_GdipFillRegion(GpGraphics *graphics, GpBrush *brush,
3945 GpRegion* region)
3947 GpStatus stat;
3948 GpRegion *temp_region;
3949 GpMatrix world_to_device;
3950 GpRectF graphics_bounds;
3951 DWORD *pixel_data;
3952 HRGN hregion;
3953 RECT bound_rect;
3954 GpRect gp_bound_rect;
3956 if (!brush_can_fill_pixels(brush))
3957 return NotImplemented;
3959 stat = get_graphics_bounds(graphics, &graphics_bounds);
3961 if (stat == Ok)
3962 stat = GdipCloneRegion(region, &temp_region);
3964 if (stat == Ok)
3966 stat = get_graphics_transform(graphics, CoordinateSpaceDevice,
3967 CoordinateSpaceWorld, &world_to_device);
3969 if (stat == Ok)
3970 stat = GdipTransformRegion(temp_region, &world_to_device);
3972 if (stat == Ok)
3973 stat = GdipCombineRegionRect(temp_region, &graphics_bounds, CombineModeIntersect);
3975 if (stat == Ok)
3976 stat = GdipGetRegionHRgn(temp_region, NULL, &hregion);
3978 GdipDeleteRegion(temp_region);
3981 if (stat == Ok && GetRgnBox(hregion, &bound_rect) == NULLREGION)
3983 DeleteObject(hregion);
3984 return Ok;
3987 if (stat == Ok)
3989 gp_bound_rect.X = bound_rect.left;
3990 gp_bound_rect.Y = bound_rect.top;
3991 gp_bound_rect.Width = bound_rect.right - bound_rect.left;
3992 gp_bound_rect.Height = bound_rect.bottom - bound_rect.top;
3994 pixel_data = GdipAlloc(sizeof(*pixel_data) * gp_bound_rect.Width * gp_bound_rect.Height);
3995 if (!pixel_data)
3996 stat = OutOfMemory;
3998 if (stat == Ok)
4000 stat = brush_fill_pixels(graphics, brush, pixel_data,
4001 &gp_bound_rect, gp_bound_rect.Width);
4003 if (stat == Ok)
4004 stat = alpha_blend_pixels_hrgn(graphics, gp_bound_rect.X,
4005 gp_bound_rect.Y, (BYTE*)pixel_data, gp_bound_rect.Width,
4006 gp_bound_rect.Height, gp_bound_rect.Width * 4, hregion);
4008 GdipFree(pixel_data);
4011 DeleteObject(hregion);
4014 return stat;
4017 /*****************************************************************************
4018 * GdipFillRegion [GDIPLUS.@]
4020 GpStatus WINGDIPAPI GdipFillRegion(GpGraphics* graphics, GpBrush* brush,
4021 GpRegion* region)
4023 GpStatus stat = NotImplemented;
4025 TRACE("(%p, %p, %p)\n", graphics, brush, region);
4027 if (!(graphics && brush && region))
4028 return InvalidParameter;
4030 if(graphics->busy)
4031 return ObjectBusy;
4033 if (!graphics->image && !graphics->alpha_hdc)
4034 stat = GDI32_GdipFillRegion(graphics, brush, region);
4036 if (stat == NotImplemented)
4037 stat = SOFTWARE_GdipFillRegion(graphics, brush, region);
4039 if (stat == NotImplemented)
4041 FIXME("not implemented for brushtype %i\n", brush->bt);
4042 stat = Ok;
4045 return stat;
4048 GpStatus WINGDIPAPI GdipFlush(GpGraphics *graphics, GpFlushIntention intention)
4050 TRACE("(%p,%u)\n", graphics, intention);
4052 if(!graphics)
4053 return InvalidParameter;
4055 if(graphics->busy)
4056 return ObjectBusy;
4058 /* We have no internal operation queue, so there's no need to clear it. */
4060 if (graphics->hdc)
4061 GdiFlush();
4063 return Ok;
4066 /*****************************************************************************
4067 * GdipGetClipBounds [GDIPLUS.@]
4069 GpStatus WINGDIPAPI GdipGetClipBounds(GpGraphics *graphics, GpRectF *rect)
4071 GpStatus status;
4072 GpRegion *clip;
4074 TRACE("(%p, %p)\n", graphics, rect);
4076 if(!graphics)
4077 return InvalidParameter;
4079 if(graphics->busy)
4080 return ObjectBusy;
4082 status = GdipCreateRegion(&clip);
4083 if (status != Ok) return status;
4085 status = GdipGetClip(graphics, clip);
4086 if (status == Ok)
4087 status = GdipGetRegionBounds(clip, graphics, rect);
4089 GdipDeleteRegion(clip);
4090 return status;
4093 /*****************************************************************************
4094 * GdipGetClipBoundsI [GDIPLUS.@]
4096 GpStatus WINGDIPAPI GdipGetClipBoundsI(GpGraphics *graphics, GpRect *rect)
4098 TRACE("(%p, %p)\n", graphics, rect);
4100 if(!graphics)
4101 return InvalidParameter;
4103 if(graphics->busy)
4104 return ObjectBusy;
4106 return GdipGetRegionBoundsI(graphics->clip, graphics, rect);
4109 /* FIXME: Compositing mode is not used anywhere except the getter/setter. */
4110 GpStatus WINGDIPAPI GdipGetCompositingMode(GpGraphics *graphics,
4111 CompositingMode *mode)
4113 TRACE("(%p, %p)\n", graphics, mode);
4115 if(!graphics || !mode)
4116 return InvalidParameter;
4118 if(graphics->busy)
4119 return ObjectBusy;
4121 *mode = graphics->compmode;
4123 return Ok;
4126 /* FIXME: Compositing quality is not used anywhere except the getter/setter. */
4127 GpStatus WINGDIPAPI GdipGetCompositingQuality(GpGraphics *graphics,
4128 CompositingQuality *quality)
4130 TRACE("(%p, %p)\n", graphics, quality);
4132 if(!graphics || !quality)
4133 return InvalidParameter;
4135 if(graphics->busy)
4136 return ObjectBusy;
4138 *quality = graphics->compqual;
4140 return Ok;
4143 /* FIXME: Interpolation mode is not used anywhere except the getter/setter. */
4144 GpStatus WINGDIPAPI GdipGetInterpolationMode(GpGraphics *graphics,
4145 InterpolationMode *mode)
4147 TRACE("(%p, %p)\n", graphics, mode);
4149 if(!graphics || !mode)
4150 return InvalidParameter;
4152 if(graphics->busy)
4153 return ObjectBusy;
4155 *mode = graphics->interpolation;
4157 return Ok;
4160 /* FIXME: Need to handle color depths less than 24bpp */
4161 GpStatus WINGDIPAPI GdipGetNearestColor(GpGraphics *graphics, ARGB* argb)
4163 FIXME("(%p, %p): Passing color unmodified\n", graphics, argb);
4165 if(!graphics || !argb)
4166 return InvalidParameter;
4168 if(graphics->busy)
4169 return ObjectBusy;
4171 return Ok;
4174 GpStatus WINGDIPAPI GdipGetPageScale(GpGraphics *graphics, REAL *scale)
4176 TRACE("(%p, %p)\n", graphics, scale);
4178 if(!graphics || !scale)
4179 return InvalidParameter;
4181 if(graphics->busy)
4182 return ObjectBusy;
4184 *scale = graphics->scale;
4186 return Ok;
4189 GpStatus WINGDIPAPI GdipGetPageUnit(GpGraphics *graphics, GpUnit *unit)
4191 TRACE("(%p, %p)\n", graphics, unit);
4193 if(!graphics || !unit)
4194 return InvalidParameter;
4196 if(graphics->busy)
4197 return ObjectBusy;
4199 *unit = graphics->unit;
4201 return Ok;
4204 /* FIXME: Pixel offset mode is not used anywhere except the getter/setter. */
4205 GpStatus WINGDIPAPI GdipGetPixelOffsetMode(GpGraphics *graphics, PixelOffsetMode
4206 *mode)
4208 TRACE("(%p, %p)\n", graphics, mode);
4210 if(!graphics || !mode)
4211 return InvalidParameter;
4213 if(graphics->busy)
4214 return ObjectBusy;
4216 *mode = graphics->pixeloffset;
4218 return Ok;
4221 /* FIXME: Smoothing mode is not used anywhere except the getter/setter. */
4222 GpStatus WINGDIPAPI GdipGetSmoothingMode(GpGraphics *graphics, SmoothingMode *mode)
4224 TRACE("(%p, %p)\n", graphics, mode);
4226 if(!graphics || !mode)
4227 return InvalidParameter;
4229 if(graphics->busy)
4230 return ObjectBusy;
4232 *mode = graphics->smoothing;
4234 return Ok;
4237 GpStatus WINGDIPAPI GdipGetTextContrast(GpGraphics *graphics, UINT *contrast)
4239 TRACE("(%p, %p)\n", graphics, contrast);
4241 if(!graphics || !contrast)
4242 return InvalidParameter;
4244 *contrast = graphics->textcontrast;
4246 return Ok;
4249 /* FIXME: Text rendering hint is not used anywhere except the getter/setter. */
4250 GpStatus WINGDIPAPI GdipGetTextRenderingHint(GpGraphics *graphics,
4251 TextRenderingHint *hint)
4253 TRACE("(%p, %p)\n", graphics, hint);
4255 if(!graphics || !hint)
4256 return InvalidParameter;
4258 if(graphics->busy)
4259 return ObjectBusy;
4261 *hint = graphics->texthint;
4263 return Ok;
4266 GpStatus WINGDIPAPI GdipGetVisibleClipBounds(GpGraphics *graphics, GpRectF *rect)
4268 GpRegion *clip_rgn;
4269 GpStatus stat;
4271 TRACE("(%p, %p)\n", graphics, rect);
4273 if(!graphics || !rect)
4274 return InvalidParameter;
4276 if(graphics->busy)
4277 return ObjectBusy;
4279 /* intersect window and graphics clipping regions */
4280 if((stat = GdipCreateRegion(&clip_rgn)) != Ok)
4281 return stat;
4283 if((stat = get_visible_clip_region(graphics, clip_rgn)) != Ok)
4284 goto cleanup;
4286 /* get bounds of the region */
4287 stat = GdipGetRegionBounds(clip_rgn, graphics, rect);
4289 cleanup:
4290 GdipDeleteRegion(clip_rgn);
4292 return stat;
4295 GpStatus WINGDIPAPI GdipGetVisibleClipBoundsI(GpGraphics *graphics, GpRect *rect)
4297 GpRectF rectf;
4298 GpStatus stat;
4300 TRACE("(%p, %p)\n", graphics, rect);
4302 if(!graphics || !rect)
4303 return InvalidParameter;
4305 if((stat = GdipGetVisibleClipBounds(graphics, &rectf)) == Ok)
4307 rect->X = gdip_round(rectf.X);
4308 rect->Y = gdip_round(rectf.Y);
4309 rect->Width = gdip_round(rectf.Width);
4310 rect->Height = gdip_round(rectf.Height);
4313 return stat;
4316 GpStatus WINGDIPAPI GdipGetWorldTransform(GpGraphics *graphics, GpMatrix *matrix)
4318 TRACE("(%p, %p)\n", graphics, matrix);
4320 if(!graphics || !matrix)
4321 return InvalidParameter;
4323 if(graphics->busy)
4324 return ObjectBusy;
4326 *matrix = graphics->worldtrans;
4327 return Ok;
4330 GpStatus WINGDIPAPI GdipGraphicsClear(GpGraphics *graphics, ARGB color)
4332 GpSolidFill *brush;
4333 GpStatus stat;
4334 GpRectF wnd_rect;
4336 TRACE("(%p, %x)\n", graphics, color);
4338 if(!graphics)
4339 return InvalidParameter;
4341 if(graphics->busy)
4342 return ObjectBusy;
4344 if((stat = GdipCreateSolidFill(color, &brush)) != Ok)
4345 return stat;
4347 if((stat = get_graphics_bounds(graphics, &wnd_rect)) != Ok){
4348 GdipDeleteBrush((GpBrush*)brush);
4349 return stat;
4352 GdipFillRectangle(graphics, (GpBrush*)brush, wnd_rect.X, wnd_rect.Y,
4353 wnd_rect.Width, wnd_rect.Height);
4355 GdipDeleteBrush((GpBrush*)brush);
4357 return Ok;
4360 GpStatus WINGDIPAPI GdipIsClipEmpty(GpGraphics *graphics, BOOL *res)
4362 TRACE("(%p, %p)\n", graphics, res);
4364 if(!graphics || !res)
4365 return InvalidParameter;
4367 return GdipIsEmptyRegion(graphics->clip, graphics, res);
4370 GpStatus WINGDIPAPI GdipIsVisiblePoint(GpGraphics *graphics, REAL x, REAL y, BOOL *result)
4372 GpStatus stat;
4373 GpRegion* rgn;
4374 GpPointF pt;
4376 TRACE("(%p, %.2f, %.2f, %p)\n", graphics, x, y, result);
4378 if(!graphics || !result)
4379 return InvalidParameter;
4381 if(graphics->busy)
4382 return ObjectBusy;
4384 pt.X = x;
4385 pt.Y = y;
4386 if((stat = GdipTransformPoints(graphics, CoordinateSpaceDevice,
4387 CoordinateSpaceWorld, &pt, 1)) != Ok)
4388 return stat;
4390 if((stat = GdipCreateRegion(&rgn)) != Ok)
4391 return stat;
4393 if((stat = get_visible_clip_region(graphics, rgn)) != Ok)
4394 goto cleanup;
4396 stat = GdipIsVisibleRegionPoint(rgn, pt.X, pt.Y, graphics, result);
4398 cleanup:
4399 GdipDeleteRegion(rgn);
4400 return stat;
4403 GpStatus WINGDIPAPI GdipIsVisiblePointI(GpGraphics *graphics, INT x, INT y, BOOL *result)
4405 return GdipIsVisiblePoint(graphics, (REAL)x, (REAL)y, result);
4408 GpStatus WINGDIPAPI GdipIsVisibleRect(GpGraphics *graphics, REAL x, REAL y, REAL width, REAL height, BOOL *result)
4410 GpStatus stat;
4411 GpRegion* rgn;
4412 GpPointF pts[2];
4414 TRACE("(%p %.2f %.2f %.2f %.2f %p)\n", graphics, x, y, width, height, result);
4416 if(!graphics || !result)
4417 return InvalidParameter;
4419 if(graphics->busy)
4420 return ObjectBusy;
4422 pts[0].X = x;
4423 pts[0].Y = y;
4424 pts[1].X = x + width;
4425 pts[1].Y = y + height;
4427 if((stat = GdipTransformPoints(graphics, CoordinateSpaceDevice,
4428 CoordinateSpaceWorld, pts, 2)) != Ok)
4429 return stat;
4431 pts[1].X -= pts[0].X;
4432 pts[1].Y -= pts[0].Y;
4434 if((stat = GdipCreateRegion(&rgn)) != Ok)
4435 return stat;
4437 if((stat = get_visible_clip_region(graphics, rgn)) != Ok)
4438 goto cleanup;
4440 stat = GdipIsVisibleRegionRect(rgn, pts[0].X, pts[0].Y, pts[1].X, pts[1].Y, graphics, result);
4442 cleanup:
4443 GdipDeleteRegion(rgn);
4444 return stat;
4447 GpStatus WINGDIPAPI GdipIsVisibleRectI(GpGraphics *graphics, INT x, INT y, INT width, INT height, BOOL *result)
4449 return GdipIsVisibleRect(graphics, (REAL)x, (REAL)y, (REAL)width, (REAL)height, result);
4452 GpStatus gdip_format_string(HDC hdc,
4453 GDIPCONST WCHAR *string, INT length, GDIPCONST GpFont *font,
4454 GDIPCONST RectF *rect, GDIPCONST GpStringFormat *format, int ignore_empty_clip,
4455 gdip_format_string_callback callback, void *user_data)
4457 WCHAR* stringdup;
4458 int sum = 0, height = 0, fit, fitcpy, i, j, lret, nwidth,
4459 nheight, lineend, lineno = 0;
4460 RectF bounds;
4461 StringAlignment halign;
4462 GpStatus stat = Ok;
4463 SIZE size;
4464 HotkeyPrefix hkprefix;
4465 INT *hotkeyprefix_offsets=NULL;
4466 INT hotkeyprefix_count=0;
4467 INT hotkeyprefix_pos=0, hotkeyprefix_end_pos=0;
4468 int seen_prefix=0;
4470 if(length == -1) length = lstrlenW(string);
4472 stringdup = GdipAlloc((length + 1) * sizeof(WCHAR));
4473 if(!stringdup) return OutOfMemory;
4475 nwidth = rect->Width;
4476 nheight = rect->Height;
4477 if (ignore_empty_clip)
4479 if (!nwidth) nwidth = INT_MAX;
4480 if (!nheight) nheight = INT_MAX;
4483 if (format)
4484 hkprefix = format->hkprefix;
4485 else
4486 hkprefix = HotkeyPrefixNone;
4488 if (hkprefix == HotkeyPrefixShow)
4490 for (i=0; i<length; i++)
4492 if (string[i] == '&')
4493 hotkeyprefix_count++;
4497 if (hotkeyprefix_count)
4498 hotkeyprefix_offsets = GdipAlloc(sizeof(INT) * hotkeyprefix_count);
4500 hotkeyprefix_count = 0;
4502 for(i = 0, j = 0; i < length; i++){
4503 /* FIXME: This makes the indexes passed to callback inaccurate. */
4504 if(!isprintW(string[i]) && (string[i] != '\n'))
4505 continue;
4507 /* FIXME: tabs should be handled using tabstops from stringformat */
4508 if (string[i] == '\t')
4509 continue;
4511 if (seen_prefix && hkprefix == HotkeyPrefixShow && string[i] != '&')
4512 hotkeyprefix_offsets[hotkeyprefix_count++] = j;
4513 else if (!seen_prefix && hkprefix != HotkeyPrefixNone && string[i] == '&')
4515 seen_prefix = 1;
4516 continue;
4519 seen_prefix = 0;
4521 stringdup[j] = string[i];
4522 j++;
4525 length = j;
4527 if (format) halign = format->align;
4528 else halign = StringAlignmentNear;
4530 while(sum < length){
4531 GetTextExtentExPointW(hdc, stringdup + sum, length - sum,
4532 nwidth, &fit, NULL, &size);
4533 fitcpy = fit;
4535 if(fit == 0)
4536 break;
4538 for(lret = 0; lret < fit; lret++)
4539 if(*(stringdup + sum + lret) == '\n')
4540 break;
4542 /* Line break code (may look strange, but it imitates windows). */
4543 if(lret < fit)
4544 lineend = fit = lret; /* this is not an off-by-one error */
4545 else if(fit < (length - sum)){
4546 if(*(stringdup + sum + fit) == ' ')
4547 while(*(stringdup + sum + fit) == ' ')
4548 fit++;
4549 else
4550 while(*(stringdup + sum + fit - 1) != ' '){
4551 fit--;
4553 if(*(stringdup + sum + fit) == '\t')
4554 break;
4556 if(fit == 0){
4557 fit = fitcpy;
4558 break;
4561 lineend = fit;
4562 while(*(stringdup + sum + lineend - 1) == ' ' ||
4563 *(stringdup + sum + lineend - 1) == '\t')
4564 lineend--;
4566 else
4567 lineend = fit;
4569 GetTextExtentExPointW(hdc, stringdup + sum, lineend,
4570 nwidth, &j, NULL, &size);
4572 bounds.Width = size.cx;
4574 if(height + size.cy > nheight)
4576 if (format->attr & StringFormatFlagsLineLimit)
4577 break;
4578 bounds.Height = nheight - (height + size.cy);
4580 else
4581 bounds.Height = size.cy;
4583 bounds.Y = rect->Y + height;
4585 switch (halign)
4587 case StringAlignmentNear:
4588 default:
4589 bounds.X = rect->X;
4590 break;
4591 case StringAlignmentCenter:
4592 bounds.X = rect->X + (rect->Width/2) - (bounds.Width/2);
4593 break;
4594 case StringAlignmentFar:
4595 bounds.X = rect->X + rect->Width - bounds.Width;
4596 break;
4599 for (hotkeyprefix_end_pos=hotkeyprefix_pos; hotkeyprefix_end_pos<hotkeyprefix_count; hotkeyprefix_end_pos++)
4600 if (hotkeyprefix_offsets[hotkeyprefix_end_pos] >= sum + lineend)
4601 break;
4603 stat = callback(hdc, stringdup, sum, lineend,
4604 font, rect, format, lineno, &bounds,
4605 &hotkeyprefix_offsets[hotkeyprefix_pos],
4606 hotkeyprefix_end_pos-hotkeyprefix_pos, user_data);
4608 if (stat != Ok)
4609 break;
4611 sum += fit + (lret < fitcpy ? 1 : 0);
4612 height += size.cy;
4613 lineno++;
4615 hotkeyprefix_pos = hotkeyprefix_end_pos;
4617 if(height > nheight)
4618 break;
4620 /* Stop if this was a linewrap (but not if it was a linebreak). */
4621 if ((lret == fitcpy) && format &&
4622 (format->attr & StringFormatFlagsNoWrap))
4623 break;
4626 GdipFree(stringdup);
4627 GdipFree(hotkeyprefix_offsets);
4629 return stat;
4632 struct measure_ranges_args {
4633 GpRegion **regions;
4634 REAL rel_width, rel_height;
4637 static GpStatus measure_ranges_callback(HDC hdc,
4638 GDIPCONST WCHAR *string, INT index, INT length, GDIPCONST GpFont *font,
4639 GDIPCONST RectF *rect, GDIPCONST GpStringFormat *format,
4640 INT lineno, const RectF *bounds, INT *underlined_indexes,
4641 INT underlined_index_count, void *user_data)
4643 int i;
4644 GpStatus stat = Ok;
4645 struct measure_ranges_args *args = user_data;
4647 for (i=0; i<format->range_count; i++)
4649 INT range_start = max(index, format->character_ranges[i].First);
4650 INT range_end = min(index+length, format->character_ranges[i].First+format->character_ranges[i].Length);
4651 if (range_start < range_end)
4653 GpRectF range_rect;
4654 SIZE range_size;
4656 range_rect.Y = bounds->Y / args->rel_height;
4657 range_rect.Height = bounds->Height / args->rel_height;
4659 GetTextExtentExPointW(hdc, string + index, range_start - index,
4660 INT_MAX, NULL, NULL, &range_size);
4661 range_rect.X = (bounds->X + range_size.cx) / args->rel_width;
4663 GetTextExtentExPointW(hdc, string + index, range_end - index,
4664 INT_MAX, NULL, NULL, &range_size);
4665 range_rect.Width = (bounds->X + range_size.cx) / args->rel_width - range_rect.X;
4667 stat = GdipCombineRegionRect(args->regions[i], &range_rect, CombineModeUnion);
4668 if (stat != Ok)
4669 break;
4673 return stat;
4676 GpStatus WINGDIPAPI GdipMeasureCharacterRanges(GpGraphics* graphics,
4677 GDIPCONST WCHAR* string, INT length, GDIPCONST GpFont* font,
4678 GDIPCONST RectF* layoutRect, GDIPCONST GpStringFormat *stringFormat,
4679 INT regionCount, GpRegion** regions)
4681 GpStatus stat;
4682 int i;
4683 HFONT gdifont, oldfont;
4684 struct measure_ranges_args args;
4685 HDC hdc, temp_hdc=NULL;
4686 GpPointF pt[3];
4687 RectF scaled_rect;
4688 REAL margin_x;
4690 TRACE("(%p %s %d %p %s %p %d %p)\n", graphics, debugstr_w(string),
4691 length, font, debugstr_rectf(layoutRect), stringFormat, regionCount, regions);
4693 if (!(graphics && string && font && layoutRect && stringFormat && regions))
4694 return InvalidParameter;
4696 if (regionCount < stringFormat->range_count)
4697 return InvalidParameter;
4699 if(!graphics->hdc)
4701 hdc = temp_hdc = CreateCompatibleDC(0);
4702 if (!temp_hdc) return OutOfMemory;
4704 else
4705 hdc = graphics->hdc;
4707 if (stringFormat->attr)
4708 TRACE("may be ignoring some format flags: attr %x\n", stringFormat->attr);
4710 pt[0].X = 0.0;
4711 pt[0].Y = 0.0;
4712 pt[1].X = 1.0;
4713 pt[1].Y = 0.0;
4714 pt[2].X = 0.0;
4715 pt[2].Y = 1.0;
4716 GdipTransformPoints(graphics, CoordinateSpaceDevice, CoordinateSpaceWorld, pt, 3);
4717 args.rel_width = sqrt((pt[1].Y-pt[0].Y)*(pt[1].Y-pt[0].Y)+
4718 (pt[1].X-pt[0].X)*(pt[1].X-pt[0].X));
4719 args.rel_height = sqrt((pt[2].Y-pt[0].Y)*(pt[2].Y-pt[0].Y)+
4720 (pt[2].X-pt[0].X)*(pt[2].X-pt[0].X));
4722 margin_x = stringFormat->generic_typographic ? 0.0 : font->emSize / 6.0;
4723 margin_x *= units_scale(font->unit, graphics->unit, graphics->xres);
4725 scaled_rect.X = (layoutRect->X + margin_x) * args.rel_width;
4726 scaled_rect.Y = layoutRect->Y * args.rel_height;
4727 scaled_rect.Width = layoutRect->Width * args.rel_width;
4728 scaled_rect.Height = layoutRect->Height * args.rel_height;
4730 get_font_hfont(graphics, font, stringFormat, &gdifont, NULL);
4731 oldfont = SelectObject(hdc, gdifont);
4733 for (i=0; i<stringFormat->range_count; i++)
4735 stat = GdipSetEmpty(regions[i]);
4736 if (stat != Ok)
4737 return stat;
4740 args.regions = regions;
4742 stat = gdip_format_string(hdc, string, length, font, &scaled_rect, stringFormat,
4743 (stringFormat->attr & StringFormatFlagsNoClip) != 0, measure_ranges_callback, &args);
4745 SelectObject(hdc, oldfont);
4746 DeleteObject(gdifont);
4748 if (temp_hdc)
4749 DeleteDC(temp_hdc);
4751 return stat;
4754 struct measure_string_args {
4755 RectF *bounds;
4756 INT *codepointsfitted;
4757 INT *linesfilled;
4758 REAL rel_width, rel_height;
4761 static GpStatus measure_string_callback(HDC hdc,
4762 GDIPCONST WCHAR *string, INT index, INT length, GDIPCONST GpFont *font,
4763 GDIPCONST RectF *rect, GDIPCONST GpStringFormat *format,
4764 INT lineno, const RectF *bounds, INT *underlined_indexes,
4765 INT underlined_index_count, void *user_data)
4767 struct measure_string_args *args = user_data;
4768 REAL new_width, new_height;
4770 new_width = bounds->Width / args->rel_width;
4771 new_height = (bounds->Height + bounds->Y) / args->rel_height - args->bounds->Y;
4773 if (new_width > args->bounds->Width)
4774 args->bounds->Width = new_width;
4776 if (new_height > args->bounds->Height)
4777 args->bounds->Height = new_height;
4779 if (args->codepointsfitted)
4780 *args->codepointsfitted = index + length;
4782 if (args->linesfilled)
4783 (*args->linesfilled)++;
4785 return Ok;
4788 /* Find the smallest rectangle that bounds the text when it is printed in rect
4789 * according to the format options listed in format. If rect has 0 width and
4790 * height, then just find the smallest rectangle that bounds the text when it's
4791 * printed at location (rect->X, rect-Y). */
4792 GpStatus WINGDIPAPI GdipMeasureString(GpGraphics *graphics,
4793 GDIPCONST WCHAR *string, INT length, GDIPCONST GpFont *font,
4794 GDIPCONST RectF *rect, GDIPCONST GpStringFormat *format, RectF *bounds,
4795 INT *codepointsfitted, INT *linesfilled)
4797 HFONT oldfont, gdifont;
4798 struct measure_string_args args;
4799 HDC temp_hdc=NULL, hdc;
4800 GpPointF pt[3];
4801 RectF scaled_rect;
4802 REAL margin_x;
4803 INT lines, glyphs;
4805 TRACE("(%p, %s, %i, %p, %s, %p, %p, %p, %p)\n", graphics,
4806 debugstr_wn(string, length), length, font, debugstr_rectf(rect), format,
4807 bounds, codepointsfitted, linesfilled);
4809 if(!graphics || !string || !font || !rect || !bounds)
4810 return InvalidParameter;
4812 if(!graphics->hdc)
4814 hdc = temp_hdc = CreateCompatibleDC(0);
4815 if (!temp_hdc) return OutOfMemory;
4817 else
4818 hdc = graphics->hdc;
4820 if(linesfilled) *linesfilled = 0;
4821 if(codepointsfitted) *codepointsfitted = 0;
4823 if(format)
4824 TRACE("may be ignoring some format flags: attr %x\n", format->attr);
4826 pt[0].X = 0.0;
4827 pt[0].Y = 0.0;
4828 pt[1].X = 1.0;
4829 pt[1].Y = 0.0;
4830 pt[2].X = 0.0;
4831 pt[2].Y = 1.0;
4832 GdipTransformPoints(graphics, CoordinateSpaceDevice, CoordinateSpaceWorld, pt, 3);
4833 args.rel_width = sqrt((pt[1].Y-pt[0].Y)*(pt[1].Y-pt[0].Y)+
4834 (pt[1].X-pt[0].X)*(pt[1].X-pt[0].X));
4835 args.rel_height = sqrt((pt[2].Y-pt[0].Y)*(pt[2].Y-pt[0].Y)+
4836 (pt[2].X-pt[0].X)*(pt[2].X-pt[0].X));
4838 margin_x = (format && format->generic_typographic) ? 0.0 : font->emSize / 6.0;
4839 margin_x *= units_scale(font->unit, graphics->unit, graphics->xres);
4841 scaled_rect.X = (rect->X + margin_x) * args.rel_width;
4842 scaled_rect.Y = rect->Y * args.rel_height;
4843 scaled_rect.Width = rect->Width * args.rel_width;
4844 scaled_rect.Height = rect->Height * args.rel_height;
4845 if (scaled_rect.Width >= 0.5)
4847 scaled_rect.Width -= margin_x * 2.0 * args.rel_width;
4848 if (scaled_rect.Width < 0.5) return Ok; /* doesn't fit */
4851 if (scaled_rect.Width >= 1 << 23) scaled_rect.Width = 1 << 23;
4852 if (scaled_rect.Height >= 1 << 23) scaled_rect.Height = 1 << 23;
4854 get_font_hfont(graphics, font, format, &gdifont, NULL);
4855 oldfont = SelectObject(hdc, gdifont);
4857 bounds->X = rect->X;
4858 bounds->Y = rect->Y;
4859 bounds->Width = 0.0;
4860 bounds->Height = 0.0;
4862 args.bounds = bounds;
4863 args.codepointsfitted = &glyphs;
4864 args.linesfilled = &lines;
4865 lines = glyphs = 0;
4867 gdip_format_string(hdc, string, length, font, &scaled_rect, format, TRUE,
4868 measure_string_callback, &args);
4870 if (linesfilled) *linesfilled = lines;
4871 if (codepointsfitted) *codepointsfitted = glyphs;
4873 if (lines)
4874 bounds->Width += margin_x * 2.0;
4876 SelectObject(hdc, oldfont);
4877 DeleteObject(gdifont);
4879 if (temp_hdc)
4880 DeleteDC(temp_hdc);
4882 return Ok;
4885 struct draw_string_args {
4886 GpGraphics *graphics;
4887 GDIPCONST GpBrush *brush;
4888 REAL x, y, rel_width, rel_height, ascent;
4891 static GpStatus draw_string_callback(HDC hdc,
4892 GDIPCONST WCHAR *string, INT index, INT length, GDIPCONST GpFont *font,
4893 GDIPCONST RectF *rect, GDIPCONST GpStringFormat *format,
4894 INT lineno, const RectF *bounds, INT *underlined_indexes,
4895 INT underlined_index_count, void *user_data)
4897 struct draw_string_args *args = user_data;
4898 PointF position;
4899 GpStatus stat;
4901 position.X = args->x + bounds->X / args->rel_width;
4902 position.Y = args->y + bounds->Y / args->rel_height + args->ascent;
4904 stat = draw_driver_string(args->graphics, &string[index], length, font, format,
4905 args->brush, &position,
4906 DriverStringOptionsCmapLookup|DriverStringOptionsRealizedAdvance, NULL);
4908 if (stat == Ok && underlined_index_count)
4910 OUTLINETEXTMETRICW otm;
4911 REAL underline_y, underline_height;
4912 int i;
4914 GetOutlineTextMetricsW(hdc, sizeof(otm), &otm);
4916 underline_height = otm.otmsUnderscoreSize / args->rel_height;
4917 underline_y = position.Y - otm.otmsUnderscorePosition / args->rel_height - underline_height / 2;
4919 for (i=0; i<underlined_index_count; i++)
4921 REAL start_x, end_x;
4922 SIZE text_size;
4923 INT ofs = underlined_indexes[i] - index;
4925 GetTextExtentExPointW(hdc, string + index, ofs, INT_MAX, NULL, NULL, &text_size);
4926 start_x = text_size.cx / args->rel_width;
4928 GetTextExtentExPointW(hdc, string + index, ofs+1, INT_MAX, NULL, NULL, &text_size);
4929 end_x = text_size.cx / args->rel_width;
4931 GdipFillRectangle(args->graphics, (GpBrush*)args->brush, position.X+start_x, underline_y, end_x-start_x, underline_height);
4935 return stat;
4938 GpStatus WINGDIPAPI GdipDrawString(GpGraphics *graphics, GDIPCONST WCHAR *string,
4939 INT length, GDIPCONST GpFont *font, GDIPCONST RectF *rect,
4940 GDIPCONST GpStringFormat *format, GDIPCONST GpBrush *brush)
4942 HRGN rgn = NULL;
4943 HFONT gdifont;
4944 GpPointF pt[3], rectcpy[4];
4945 POINT corners[4];
4946 REAL rel_width, rel_height, margin_x;
4947 INT save_state, format_flags = 0;
4948 REAL offsety = 0.0;
4949 struct draw_string_args args;
4950 RectF scaled_rect;
4951 HDC hdc, temp_hdc=NULL;
4952 TEXTMETRICW textmetric;
4954 TRACE("(%p, %s, %i, %p, %s, %p, %p)\n", graphics, debugstr_wn(string, length),
4955 length, font, debugstr_rectf(rect), format, brush);
4957 if(!graphics || !string || !font || !brush || !rect)
4958 return InvalidParameter;
4960 if(graphics->hdc)
4962 hdc = graphics->hdc;
4964 else
4966 hdc = temp_hdc = CreateCompatibleDC(0);
4969 if(format){
4970 TRACE("may be ignoring some format flags: attr %x\n", format->attr);
4972 format_flags = format->attr;
4974 /* Should be no need to explicitly test for StringAlignmentNear as
4975 * that is default behavior if no alignment is passed. */
4976 if(format->vertalign != StringAlignmentNear){
4977 RectF bounds, in_rect = *rect;
4978 in_rect.Height = 0.0; /* avoid height clipping */
4979 GdipMeasureString(graphics, string, length, font, &in_rect, format, &bounds, 0, 0);
4981 TRACE("bounds %s\n", debugstr_rectf(&bounds));
4983 if(format->vertalign == StringAlignmentCenter)
4984 offsety = (rect->Height - bounds.Height) / 2;
4985 else if(format->vertalign == StringAlignmentFar)
4986 offsety = (rect->Height - bounds.Height);
4988 TRACE("vertical align %d, offsety %f\n", format->vertalign, offsety);
4991 save_state = SaveDC(hdc);
4993 pt[0].X = 0.0;
4994 pt[0].Y = 0.0;
4995 pt[1].X = 1.0;
4996 pt[1].Y = 0.0;
4997 pt[2].X = 0.0;
4998 pt[2].Y = 1.0;
4999 GdipTransformPoints(graphics, CoordinateSpaceDevice, CoordinateSpaceWorld, pt, 3);
5000 rel_width = sqrt((pt[1].Y-pt[0].Y)*(pt[1].Y-pt[0].Y)+
5001 (pt[1].X-pt[0].X)*(pt[1].X-pt[0].X));
5002 rel_height = sqrt((pt[2].Y-pt[0].Y)*(pt[2].Y-pt[0].Y)+
5003 (pt[2].X-pt[0].X)*(pt[2].X-pt[0].X));
5005 rectcpy[3].X = rectcpy[0].X = rect->X;
5006 rectcpy[1].Y = rectcpy[0].Y = rect->Y;
5007 rectcpy[2].X = rectcpy[1].X = rect->X + rect->Width;
5008 rectcpy[3].Y = rectcpy[2].Y = rect->Y + rect->Height;
5009 transform_and_round_points(graphics, corners, rectcpy, 4);
5011 margin_x = (format && format->generic_typographic) ? 0.0 : font->emSize / 6.0;
5012 margin_x *= units_scale(font->unit, graphics->unit, graphics->xres);
5014 scaled_rect.X = margin_x * rel_width;
5015 scaled_rect.Y = 0.0;
5016 scaled_rect.Width = rel_width * rect->Width;
5017 scaled_rect.Height = rel_height * rect->Height;
5018 if (scaled_rect.Width >= 0.5)
5020 scaled_rect.Width -= margin_x * 2.0 * rel_width;
5021 if (scaled_rect.Width < 0.5) return Ok; /* doesn't fit */
5024 if (scaled_rect.Width >= 1 << 23) scaled_rect.Width = 1 << 23;
5025 if (scaled_rect.Height >= 1 << 23) scaled_rect.Height = 1 << 23;
5027 if (!(format_flags & StringFormatFlagsNoClip) &&
5028 scaled_rect.Width != 1 << 23 && scaled_rect.Height != 1 << 23 &&
5029 rect->Width > 0.0 && rect->Height > 0.0)
5031 /* FIXME: If only the width or only the height is 0, we should probably still clip */
5032 rgn = CreatePolygonRgn(corners, 4, ALTERNATE);
5033 SelectClipRgn(hdc, rgn);
5036 get_font_hfont(graphics, font, format, &gdifont, NULL);
5037 SelectObject(hdc, gdifont);
5039 args.graphics = graphics;
5040 args.brush = brush;
5042 args.x = rect->X;
5043 args.y = rect->Y + offsety;
5045 args.rel_width = rel_width;
5046 args.rel_height = rel_height;
5048 GetTextMetricsW(hdc, &textmetric);
5049 args.ascent = textmetric.tmAscent / rel_height;
5051 gdip_format_string(hdc, string, length, font, &scaled_rect, format, TRUE,
5052 draw_string_callback, &args);
5054 DeleteObject(rgn);
5055 DeleteObject(gdifont);
5057 RestoreDC(hdc, save_state);
5059 DeleteDC(temp_hdc);
5061 return Ok;
5064 GpStatus WINGDIPAPI GdipResetClip(GpGraphics *graphics)
5066 TRACE("(%p)\n", graphics);
5068 if(!graphics)
5069 return InvalidParameter;
5071 if(graphics->busy)
5072 return ObjectBusy;
5074 return GdipSetInfinite(graphics->clip);
5077 GpStatus WINGDIPAPI GdipResetWorldTransform(GpGraphics *graphics)
5079 TRACE("(%p)\n", graphics);
5081 if(!graphics)
5082 return InvalidParameter;
5084 if(graphics->busy)
5085 return ObjectBusy;
5087 return GdipSetMatrixElements(&graphics->worldtrans, 1.0, 0.0, 0.0, 1.0, 0.0, 0.0);
5090 GpStatus WINGDIPAPI GdipRestoreGraphics(GpGraphics *graphics, GraphicsState state)
5092 return GdipEndContainer(graphics, state);
5095 GpStatus WINGDIPAPI GdipRotateWorldTransform(GpGraphics *graphics, REAL angle,
5096 GpMatrixOrder order)
5098 TRACE("(%p, %.2f, %d)\n", graphics, angle, order);
5100 if(!graphics)
5101 return InvalidParameter;
5103 if(graphics->busy)
5104 return ObjectBusy;
5106 return GdipRotateMatrix(&graphics->worldtrans, angle, order);
5109 GpStatus WINGDIPAPI GdipSaveGraphics(GpGraphics *graphics, GraphicsState *state)
5111 return GdipBeginContainer2(graphics, state);
5114 GpStatus WINGDIPAPI GdipBeginContainer2(GpGraphics *graphics,
5115 GraphicsContainer *state)
5117 GraphicsContainerItem *container;
5118 GpStatus sts;
5120 TRACE("(%p, %p)\n", graphics, state);
5122 if(!graphics || !state)
5123 return InvalidParameter;
5125 sts = init_container(&container, graphics);
5126 if(sts != Ok)
5127 return sts;
5129 list_add_head(&graphics->containers, &container->entry);
5130 *state = graphics->contid = container->contid;
5132 return Ok;
5135 GpStatus WINGDIPAPI GdipBeginContainer(GpGraphics *graphics, GDIPCONST GpRectF *dstrect, GDIPCONST GpRectF *srcrect, GpUnit unit, GraphicsContainer *state)
5137 FIXME("(%p, %p, %p, %d, %p): stub\n", graphics, dstrect, srcrect, unit, state);
5138 return NotImplemented;
5141 GpStatus WINGDIPAPI GdipBeginContainerI(GpGraphics *graphics, GDIPCONST GpRect *dstrect, GDIPCONST GpRect *srcrect, GpUnit unit, GraphicsContainer *state)
5143 FIXME("(%p, %p, %p, %d, %p): stub\n", graphics, dstrect, srcrect, unit, state);
5144 return NotImplemented;
5147 GpStatus WINGDIPAPI GdipComment(GpGraphics *graphics, UINT sizeData, GDIPCONST BYTE *data)
5149 FIXME("(%p, %d, %p): stub\n", graphics, sizeData, data);
5150 return NotImplemented;
5153 GpStatus WINGDIPAPI GdipEndContainer(GpGraphics *graphics, GraphicsContainer state)
5155 GpStatus sts;
5156 GraphicsContainerItem *container, *container2;
5158 TRACE("(%p, %x)\n", graphics, state);
5160 if(!graphics)
5161 return InvalidParameter;
5163 LIST_FOR_EACH_ENTRY(container, &graphics->containers, GraphicsContainerItem, entry){
5164 if(container->contid == state)
5165 break;
5168 /* did not find a matching container */
5169 if(&container->entry == &graphics->containers)
5170 return Ok;
5172 sts = restore_container(graphics, container);
5173 if(sts != Ok)
5174 return sts;
5176 /* remove all of the containers on top of the found container */
5177 LIST_FOR_EACH_ENTRY_SAFE(container, container2, &graphics->containers, GraphicsContainerItem, entry){
5178 if(container->contid == state)
5179 break;
5180 list_remove(&container->entry);
5181 delete_container(container);
5184 list_remove(&container->entry);
5185 delete_container(container);
5187 return Ok;
5190 GpStatus WINGDIPAPI GdipScaleWorldTransform(GpGraphics *graphics, REAL sx,
5191 REAL sy, GpMatrixOrder order)
5193 TRACE("(%p, %.2f, %.2f, %d)\n", graphics, sx, sy, order);
5195 if(!graphics)
5196 return InvalidParameter;
5198 if(graphics->busy)
5199 return ObjectBusy;
5201 return GdipScaleMatrix(&graphics->worldtrans, sx, sy, order);
5204 GpStatus WINGDIPAPI GdipSetClipGraphics(GpGraphics *graphics, GpGraphics *srcgraphics,
5205 CombineMode mode)
5207 TRACE("(%p, %p, %d)\n", graphics, srcgraphics, mode);
5209 if(!graphics || !srcgraphics)
5210 return InvalidParameter;
5212 return GdipCombineRegionRegion(graphics->clip, srcgraphics->clip, mode);
5215 GpStatus WINGDIPAPI GdipSetCompositingMode(GpGraphics *graphics,
5216 CompositingMode mode)
5218 TRACE("(%p, %d)\n", graphics, mode);
5220 if(!graphics)
5221 return InvalidParameter;
5223 if(graphics->busy)
5224 return ObjectBusy;
5226 graphics->compmode = mode;
5228 return Ok;
5231 GpStatus WINGDIPAPI GdipSetCompositingQuality(GpGraphics *graphics,
5232 CompositingQuality quality)
5234 TRACE("(%p, %d)\n", graphics, quality);
5236 if(!graphics)
5237 return InvalidParameter;
5239 if(graphics->busy)
5240 return ObjectBusy;
5242 graphics->compqual = quality;
5244 return Ok;
5247 GpStatus WINGDIPAPI GdipSetInterpolationMode(GpGraphics *graphics,
5248 InterpolationMode mode)
5250 TRACE("(%p, %d)\n", graphics, mode);
5252 if(!graphics || mode == InterpolationModeInvalid || mode > InterpolationModeHighQualityBicubic)
5253 return InvalidParameter;
5255 if(graphics->busy)
5256 return ObjectBusy;
5258 if (mode == InterpolationModeDefault || mode == InterpolationModeLowQuality)
5259 mode = InterpolationModeBilinear;
5261 if (mode == InterpolationModeHighQuality)
5262 mode = InterpolationModeHighQualityBicubic;
5264 graphics->interpolation = mode;
5266 return Ok;
5269 GpStatus WINGDIPAPI GdipSetPageScale(GpGraphics *graphics, REAL scale)
5271 TRACE("(%p, %.2f)\n", graphics, scale);
5273 if(!graphics || (scale <= 0.0))
5274 return InvalidParameter;
5276 if(graphics->busy)
5277 return ObjectBusy;
5279 graphics->scale = scale;
5281 return Ok;
5284 GpStatus WINGDIPAPI GdipSetPageUnit(GpGraphics *graphics, GpUnit unit)
5286 TRACE("(%p, %d)\n", graphics, unit);
5288 if(!graphics)
5289 return InvalidParameter;
5291 if(graphics->busy)
5292 return ObjectBusy;
5294 if(unit == UnitWorld)
5295 return InvalidParameter;
5297 graphics->unit = unit;
5299 return Ok;
5302 GpStatus WINGDIPAPI GdipSetPixelOffsetMode(GpGraphics *graphics, PixelOffsetMode
5303 mode)
5305 TRACE("(%p, %d)\n", graphics, mode);
5307 if(!graphics)
5308 return InvalidParameter;
5310 if(graphics->busy)
5311 return ObjectBusy;
5313 graphics->pixeloffset = mode;
5315 return Ok;
5318 GpStatus WINGDIPAPI GdipSetRenderingOrigin(GpGraphics *graphics, INT x, INT y)
5320 static int calls;
5322 TRACE("(%p,%i,%i)\n", graphics, x, y);
5324 if (!(calls++))
5325 FIXME("value is unused in rendering\n");
5327 if (!graphics)
5328 return InvalidParameter;
5330 graphics->origin_x = x;
5331 graphics->origin_y = y;
5333 return Ok;
5336 GpStatus WINGDIPAPI GdipGetRenderingOrigin(GpGraphics *graphics, INT *x, INT *y)
5338 TRACE("(%p,%p,%p)\n", graphics, x, y);
5340 if (!graphics || !x || !y)
5341 return InvalidParameter;
5343 *x = graphics->origin_x;
5344 *y = graphics->origin_y;
5346 return Ok;
5349 GpStatus WINGDIPAPI GdipSetSmoothingMode(GpGraphics *graphics, SmoothingMode mode)
5351 TRACE("(%p, %d)\n", graphics, mode);
5353 if(!graphics)
5354 return InvalidParameter;
5356 if(graphics->busy)
5357 return ObjectBusy;
5359 graphics->smoothing = mode;
5361 return Ok;
5364 GpStatus WINGDIPAPI GdipSetTextContrast(GpGraphics *graphics, UINT contrast)
5366 TRACE("(%p, %d)\n", graphics, contrast);
5368 if(!graphics)
5369 return InvalidParameter;
5371 graphics->textcontrast = contrast;
5373 return Ok;
5376 GpStatus WINGDIPAPI GdipSetTextRenderingHint(GpGraphics *graphics,
5377 TextRenderingHint hint)
5379 TRACE("(%p, %d)\n", graphics, hint);
5381 if(!graphics || hint > TextRenderingHintClearTypeGridFit)
5382 return InvalidParameter;
5384 if(graphics->busy)
5385 return ObjectBusy;
5387 graphics->texthint = hint;
5389 return Ok;
5392 GpStatus WINGDIPAPI GdipSetWorldTransform(GpGraphics *graphics, GpMatrix *matrix)
5394 TRACE("(%p, %p)\n", graphics, matrix);
5396 if(!graphics || !matrix)
5397 return InvalidParameter;
5399 if(graphics->busy)
5400 return ObjectBusy;
5402 TRACE("%f,%f,%f,%f,%f,%f\n",
5403 matrix->matrix[0], matrix->matrix[1], matrix->matrix[2],
5404 matrix->matrix[3], matrix->matrix[4], matrix->matrix[5]);
5406 graphics->worldtrans = *matrix;
5408 return Ok;
5411 GpStatus WINGDIPAPI GdipTranslateWorldTransform(GpGraphics *graphics, REAL dx,
5412 REAL dy, GpMatrixOrder order)
5414 TRACE("(%p, %.2f, %.2f, %d)\n", graphics, dx, dy, order);
5416 if(!graphics)
5417 return InvalidParameter;
5419 if(graphics->busy)
5420 return ObjectBusy;
5422 return GdipTranslateMatrix(&graphics->worldtrans, dx, dy, order);
5425 /*****************************************************************************
5426 * GdipSetClipHrgn [GDIPLUS.@]
5428 GpStatus WINGDIPAPI GdipSetClipHrgn(GpGraphics *graphics, HRGN hrgn, CombineMode mode)
5430 GpRegion *region;
5431 GpStatus status;
5433 TRACE("(%p, %p, %d)\n", graphics, hrgn, mode);
5435 if(!graphics)
5436 return InvalidParameter;
5438 if(graphics->busy)
5439 return ObjectBusy;
5441 /* hrgn is already in device units */
5442 status = GdipCreateRegionHrgn(hrgn, &region);
5443 if(status != Ok)
5444 return status;
5446 status = GdipCombineRegionRegion(graphics->clip, region, mode);
5448 GdipDeleteRegion(region);
5449 return status;
5452 GpStatus WINGDIPAPI GdipSetClipPath(GpGraphics *graphics, GpPath *path, CombineMode mode)
5454 GpStatus status;
5455 GpPath *clip_path;
5457 TRACE("(%p, %p, %d)\n", graphics, path, mode);
5459 if(!graphics)
5460 return InvalidParameter;
5462 if(graphics->busy)
5463 return ObjectBusy;
5465 status = GdipClonePath(path, &clip_path);
5466 if (status == Ok)
5468 GpMatrix world_to_device;
5470 get_graphics_transform(graphics, CoordinateSpaceDevice,
5471 CoordinateSpaceWorld, &world_to_device);
5472 status = GdipTransformPath(clip_path, &world_to_device);
5473 if (status == Ok)
5474 GdipCombineRegionPath(graphics->clip, clip_path, mode);
5476 GdipDeletePath(clip_path);
5478 return status;
5481 GpStatus WINGDIPAPI GdipSetClipRect(GpGraphics *graphics, REAL x, REAL y,
5482 REAL width, REAL height,
5483 CombineMode mode)
5485 GpStatus status;
5486 GpRectF rect;
5487 GpRegion *region;
5489 TRACE("(%p, %.2f, %.2f, %.2f, %.2f, %d)\n", graphics, x, y, width, height, mode);
5491 if(!graphics)
5492 return InvalidParameter;
5494 if(graphics->busy)
5495 return ObjectBusy;
5497 rect.X = x;
5498 rect.Y = y;
5499 rect.Width = width;
5500 rect.Height = height;
5501 status = GdipCreateRegionRect(&rect, &region);
5502 if (status == Ok)
5504 GpMatrix world_to_device;
5506 get_graphics_transform(graphics, CoordinateSpaceDevice, CoordinateSpaceWorld, &world_to_device);
5507 status = GdipTransformRegion(region, &world_to_device);
5508 if (status == Ok)
5509 status = GdipCombineRegionRegion(graphics->clip, region, mode);
5511 GdipDeleteRegion(region);
5513 return status;
5516 GpStatus WINGDIPAPI GdipSetClipRectI(GpGraphics *graphics, INT x, INT y,
5517 INT width, INT height,
5518 CombineMode mode)
5520 TRACE("(%p, %d, %d, %d, %d, %d)\n", graphics, x, y, width, height, mode);
5522 if(!graphics)
5523 return InvalidParameter;
5525 if(graphics->busy)
5526 return ObjectBusy;
5528 return GdipSetClipRect(graphics, (REAL)x, (REAL)y, (REAL)width, (REAL)height, mode);
5531 GpStatus WINGDIPAPI GdipSetClipRegion(GpGraphics *graphics, GpRegion *region,
5532 CombineMode mode)
5534 GpStatus status;
5535 GpRegion *clip;
5537 TRACE("(%p, %p, %d)\n", graphics, region, mode);
5539 if(!graphics || !region)
5540 return InvalidParameter;
5542 if(graphics->busy)
5543 return ObjectBusy;
5545 status = GdipCloneRegion(region, &clip);
5546 if (status == Ok)
5548 GpMatrix world_to_device;
5550 get_graphics_transform(graphics, CoordinateSpaceDevice, CoordinateSpaceWorld, &world_to_device);
5551 status = GdipTransformRegion(clip, &world_to_device);
5552 if (status == Ok)
5553 status = GdipCombineRegionRegion(graphics->clip, clip, mode);
5555 GdipDeleteRegion(clip);
5557 return status;
5560 GpStatus WINGDIPAPI GdipSetMetafileDownLevelRasterizationLimit(GpMetafile *metafile,
5561 UINT limitDpi)
5563 static int calls;
5565 TRACE("(%p,%u)\n", metafile, limitDpi);
5567 if(!(calls++))
5568 FIXME("not implemented\n");
5570 return NotImplemented;
5573 GpStatus WINGDIPAPI GdipDrawPolygon(GpGraphics *graphics,GpPen *pen,GDIPCONST GpPointF *points,
5574 INT count)
5576 INT save_state;
5577 POINT *pti;
5579 TRACE("(%p, %p, %d)\n", graphics, points, count);
5581 if(!graphics || !pen || count<=0)
5582 return InvalidParameter;
5584 if(graphics->busy)
5585 return ObjectBusy;
5587 if (!graphics->hdc)
5589 FIXME("graphics object has no HDC\n");
5590 return Ok;
5593 pti = GdipAlloc(sizeof(POINT) * count);
5595 save_state = prepare_dc(graphics, pen);
5596 SelectObject(graphics->hdc, GetStockObject(NULL_BRUSH));
5598 transform_and_round_points(graphics, pti, (GpPointF*)points, count);
5599 Polygon(graphics->hdc, pti, count);
5601 restore_dc(graphics, save_state);
5602 GdipFree(pti);
5604 return Ok;
5607 GpStatus WINGDIPAPI GdipDrawPolygonI(GpGraphics *graphics,GpPen *pen,GDIPCONST GpPoint *points,
5608 INT count)
5610 GpStatus ret;
5611 GpPointF *ptf;
5612 INT i;
5614 TRACE("(%p, %p, %p, %d)\n", graphics, pen, points, count);
5616 if(count<=0) return InvalidParameter;
5617 ptf = GdipAlloc(sizeof(GpPointF) * count);
5619 for(i = 0;i < count; i++){
5620 ptf[i].X = (REAL)points[i].X;
5621 ptf[i].Y = (REAL)points[i].Y;
5624 ret = GdipDrawPolygon(graphics,pen,ptf,count);
5625 GdipFree(ptf);
5627 return ret;
5630 GpStatus WINGDIPAPI GdipGetDpiX(GpGraphics *graphics, REAL* dpi)
5632 TRACE("(%p, %p)\n", graphics, dpi);
5634 if(!graphics || !dpi)
5635 return InvalidParameter;
5637 if(graphics->busy)
5638 return ObjectBusy;
5640 *dpi = graphics->xres;
5641 return Ok;
5644 GpStatus WINGDIPAPI GdipGetDpiY(GpGraphics *graphics, REAL* dpi)
5646 TRACE("(%p, %p)\n", graphics, dpi);
5648 if(!graphics || !dpi)
5649 return InvalidParameter;
5651 if(graphics->busy)
5652 return ObjectBusy;
5654 *dpi = graphics->yres;
5655 return Ok;
5658 GpStatus WINGDIPAPI GdipMultiplyWorldTransform(GpGraphics *graphics, GDIPCONST GpMatrix *matrix,
5659 GpMatrixOrder order)
5661 GpMatrix m;
5662 GpStatus ret;
5664 TRACE("(%p, %p, %d)\n", graphics, matrix, order);
5666 if(!graphics || !matrix)
5667 return InvalidParameter;
5669 if(graphics->busy)
5670 return ObjectBusy;
5672 m = graphics->worldtrans;
5674 ret = GdipMultiplyMatrix(&m, matrix, order);
5675 if(ret == Ok)
5676 graphics->worldtrans = m;
5678 return ret;
5681 /* Color used to fill bitmaps so we can tell which parts have been drawn over by gdi32. */
5682 static const COLORREF DC_BACKGROUND_KEY = 0x0c0b0d;
5684 GpStatus WINGDIPAPI GdipGetDC(GpGraphics *graphics, HDC *hdc)
5686 GpStatus stat=Ok;
5688 TRACE("(%p, %p)\n", graphics, hdc);
5690 if(!graphics || !hdc)
5691 return InvalidParameter;
5693 if(graphics->busy)
5694 return ObjectBusy;
5696 if (graphics->image && graphics->image->type == ImageTypeMetafile)
5698 stat = METAFILE_GetDC((GpMetafile*)graphics->image, hdc);
5700 else if (!graphics->hdc || graphics->alpha_hdc ||
5701 (graphics->image && graphics->image->type == ImageTypeBitmap && ((GpBitmap*)graphics->image)->format & PixelFormatAlpha))
5703 /* Create a fake HDC and fill it with a constant color. */
5704 HDC temp_hdc;
5705 HBITMAP hbitmap;
5706 GpRectF bounds;
5707 BITMAPINFOHEADER bmih;
5708 int i;
5710 stat = get_graphics_bounds(graphics, &bounds);
5711 if (stat != Ok)
5712 return stat;
5714 graphics->temp_hbitmap_width = bounds.Width;
5715 graphics->temp_hbitmap_height = bounds.Height;
5717 bmih.biSize = sizeof(bmih);
5718 bmih.biWidth = graphics->temp_hbitmap_width;
5719 bmih.biHeight = -graphics->temp_hbitmap_height;
5720 bmih.biPlanes = 1;
5721 bmih.biBitCount = 32;
5722 bmih.biCompression = BI_RGB;
5723 bmih.biSizeImage = 0;
5724 bmih.biXPelsPerMeter = 0;
5725 bmih.biYPelsPerMeter = 0;
5726 bmih.biClrUsed = 0;
5727 bmih.biClrImportant = 0;
5729 hbitmap = CreateDIBSection(NULL, (BITMAPINFO*)&bmih, DIB_RGB_COLORS,
5730 (void**)&graphics->temp_bits, NULL, 0);
5731 if (!hbitmap)
5732 return GenericError;
5734 temp_hdc = CreateCompatibleDC(0);
5735 if (!temp_hdc)
5737 DeleteObject(hbitmap);
5738 return GenericError;
5741 for (i=0; i<(graphics->temp_hbitmap_width * graphics->temp_hbitmap_height); i++)
5742 ((DWORD*)graphics->temp_bits)[i] = DC_BACKGROUND_KEY;
5744 SelectObject(temp_hdc, hbitmap);
5746 graphics->temp_hbitmap = hbitmap;
5747 *hdc = graphics->temp_hdc = temp_hdc;
5749 else
5751 *hdc = graphics->hdc;
5754 if (stat == Ok)
5755 graphics->busy = TRUE;
5757 return stat;
5760 GpStatus WINGDIPAPI GdipReleaseDC(GpGraphics *graphics, HDC hdc)
5762 GpStatus stat=Ok;
5764 TRACE("(%p, %p)\n", graphics, hdc);
5766 if(!graphics || !hdc || !graphics->busy)
5767 return InvalidParameter;
5769 if (graphics->image && graphics->image->type == ImageTypeMetafile)
5771 stat = METAFILE_ReleaseDC((GpMetafile*)graphics->image, hdc);
5773 else if (graphics->temp_hdc == hdc)
5775 DWORD* pos;
5776 int i;
5778 /* Find the pixels that have changed, and mark them as opaque. */
5779 pos = (DWORD*)graphics->temp_bits;
5780 for (i=0; i<(graphics->temp_hbitmap_width * graphics->temp_hbitmap_height); i++)
5782 if (*pos != DC_BACKGROUND_KEY)
5784 *pos |= 0xff000000;
5786 pos++;
5789 /* Write the changed pixels to the real target. */
5790 alpha_blend_pixels(graphics, 0, 0, graphics->temp_bits,
5791 graphics->temp_hbitmap_width, graphics->temp_hbitmap_height,
5792 graphics->temp_hbitmap_width * 4);
5794 /* Clean up. */
5795 DeleteDC(graphics->temp_hdc);
5796 DeleteObject(graphics->temp_hbitmap);
5797 graphics->temp_hdc = NULL;
5798 graphics->temp_hbitmap = NULL;
5800 else if (hdc != graphics->hdc)
5802 stat = InvalidParameter;
5805 if (stat == Ok)
5806 graphics->busy = FALSE;
5808 return stat;
5811 GpStatus WINGDIPAPI GdipGetClip(GpGraphics *graphics, GpRegion *region)
5813 GpRegion *clip;
5814 GpStatus status;
5815 GpMatrix device_to_world;
5817 TRACE("(%p, %p)\n", graphics, region);
5819 if(!graphics || !region)
5820 return InvalidParameter;
5822 if(graphics->busy)
5823 return ObjectBusy;
5825 if((status = GdipCloneRegion(graphics->clip, &clip)) != Ok)
5826 return status;
5828 get_graphics_transform(graphics, CoordinateSpaceWorld, CoordinateSpaceDevice, &device_to_world);
5829 status = GdipTransformRegion(clip, &device_to_world);
5830 if (status != Ok)
5832 GdipDeleteRegion(clip);
5833 return status;
5836 /* free everything except root node and header */
5837 delete_element(&region->node);
5838 memcpy(region, clip, sizeof(GpRegion));
5839 GdipFree(clip);
5841 return Ok;
5844 static GpStatus get_graphics_transform(GpGraphics *graphics, GpCoordinateSpace dst_space,
5845 GpCoordinateSpace src_space, GpMatrix *matrix)
5847 GpStatus stat = Ok;
5848 REAL scale_x, scale_y;
5850 GdipSetMatrixElements(matrix, 1.0, 0.0, 0.0, 1.0, 0.0, 0.0);
5852 if (dst_space != src_space)
5854 scale_x = units_to_pixels(1.0, graphics->unit, graphics->xres);
5855 scale_y = units_to_pixels(1.0, graphics->unit, graphics->yres);
5857 if(graphics->unit != UnitDisplay)
5859 scale_x *= graphics->scale;
5860 scale_y *= graphics->scale;
5863 /* transform from src_space to CoordinateSpacePage */
5864 switch (src_space)
5866 case CoordinateSpaceWorld:
5867 GdipMultiplyMatrix(matrix, &graphics->worldtrans, MatrixOrderAppend);
5868 break;
5869 case CoordinateSpacePage:
5870 break;
5871 case CoordinateSpaceDevice:
5872 GdipScaleMatrix(matrix, 1.0/scale_x, 1.0/scale_y, MatrixOrderAppend);
5873 break;
5876 /* transform from CoordinateSpacePage to dst_space */
5877 switch (dst_space)
5879 case CoordinateSpaceWorld:
5881 GpMatrix inverted_transform = graphics->worldtrans;
5882 stat = GdipInvertMatrix(&inverted_transform);
5883 if (stat == Ok)
5884 GdipMultiplyMatrix(matrix, &inverted_transform, MatrixOrderAppend);
5885 break;
5887 case CoordinateSpacePage:
5888 break;
5889 case CoordinateSpaceDevice:
5890 GdipScaleMatrix(matrix, scale_x, scale_y, MatrixOrderAppend);
5891 break;
5894 return stat;
5897 GpStatus WINGDIPAPI GdipTransformPoints(GpGraphics *graphics, GpCoordinateSpace dst_space,
5898 GpCoordinateSpace src_space, GpPointF *points, INT count)
5900 GpMatrix matrix;
5901 GpStatus stat;
5903 if(!graphics || !points || count <= 0)
5904 return InvalidParameter;
5906 if(graphics->busy)
5907 return ObjectBusy;
5909 TRACE("(%p, %d, %d, %p, %d)\n", graphics, dst_space, src_space, points, count);
5911 if (src_space == dst_space) return Ok;
5913 stat = get_graphics_transform(graphics, dst_space, src_space, &matrix);
5914 if (stat != Ok) return stat;
5916 return GdipTransformMatrixPoints(&matrix, points, count);
5919 GpStatus WINGDIPAPI GdipTransformPointsI(GpGraphics *graphics, GpCoordinateSpace dst_space,
5920 GpCoordinateSpace src_space, GpPoint *points, INT count)
5922 GpPointF *pointsF;
5923 GpStatus ret;
5924 INT i;
5926 TRACE("(%p, %d, %d, %p, %d)\n", graphics, dst_space, src_space, points, count);
5928 if(count <= 0)
5929 return InvalidParameter;
5931 pointsF = GdipAlloc(sizeof(GpPointF) * count);
5932 if(!pointsF)
5933 return OutOfMemory;
5935 for(i = 0; i < count; i++){
5936 pointsF[i].X = (REAL)points[i].X;
5937 pointsF[i].Y = (REAL)points[i].Y;
5940 ret = GdipTransformPoints(graphics, dst_space, src_space, pointsF, count);
5942 if(ret == Ok)
5943 for(i = 0; i < count; i++){
5944 points[i].X = gdip_round(pointsF[i].X);
5945 points[i].Y = gdip_round(pointsF[i].Y);
5947 GdipFree(pointsF);
5949 return ret;
5952 HPALETTE WINGDIPAPI GdipCreateHalftonePalette(void)
5954 static int calls;
5956 TRACE("\n");
5958 if (!calls++)
5959 FIXME("stub\n");
5961 return NULL;
5964 /*****************************************************************************
5965 * GdipTranslateClip [GDIPLUS.@]
5967 GpStatus WINGDIPAPI GdipTranslateClip(GpGraphics *graphics, REAL dx, REAL dy)
5969 TRACE("(%p, %.2f, %.2f)\n", graphics, dx, dy);
5971 if(!graphics)
5972 return InvalidParameter;
5974 if(graphics->busy)
5975 return ObjectBusy;
5977 return GdipTranslateRegion(graphics->clip, dx, dy);
5980 /*****************************************************************************
5981 * GdipTranslateClipI [GDIPLUS.@]
5983 GpStatus WINGDIPAPI GdipTranslateClipI(GpGraphics *graphics, INT dx, INT dy)
5985 TRACE("(%p, %d, %d)\n", graphics, dx, dy);
5987 if(!graphics)
5988 return InvalidParameter;
5990 if(graphics->busy)
5991 return ObjectBusy;
5993 return GdipTranslateRegion(graphics->clip, (REAL)dx, (REAL)dy);
5997 /*****************************************************************************
5998 * GdipMeasureDriverString [GDIPLUS.@]
6000 GpStatus WINGDIPAPI GdipMeasureDriverString(GpGraphics *graphics, GDIPCONST UINT16 *text, INT length,
6001 GDIPCONST GpFont *font, GDIPCONST PointF *positions,
6002 INT flags, GDIPCONST GpMatrix *matrix, RectF *boundingBox)
6004 static const INT unsupported_flags = ~(DriverStringOptionsCmapLookup|DriverStringOptionsRealizedAdvance);
6005 HFONT hfont;
6006 HDC hdc;
6007 REAL min_x, min_y, max_x, max_y, x, y;
6008 int i;
6009 TEXTMETRICW textmetric;
6010 const WORD *glyph_indices;
6011 WORD *dynamic_glyph_indices=NULL;
6012 REAL rel_width, rel_height, ascent, descent;
6013 GpPointF pt[3];
6015 TRACE("(%p %p %d %p %p %d %p %p)\n", graphics, text, length, font, positions, flags, matrix, boundingBox);
6017 if (!graphics || !text || !font || !positions || !boundingBox)
6018 return InvalidParameter;
6020 if (length == -1)
6021 length = strlenW(text);
6023 if (length == 0)
6025 boundingBox->X = 0.0;
6026 boundingBox->Y = 0.0;
6027 boundingBox->Width = 0.0;
6028 boundingBox->Height = 0.0;
6031 if (flags & unsupported_flags)
6032 FIXME("Ignoring flags %x\n", flags & unsupported_flags);
6034 get_font_hfont(graphics, font, NULL, &hfont, matrix);
6036 hdc = CreateCompatibleDC(0);
6037 SelectObject(hdc, hfont);
6039 GetTextMetricsW(hdc, &textmetric);
6041 pt[0].X = 0.0;
6042 pt[0].Y = 0.0;
6043 pt[1].X = 1.0;
6044 pt[1].Y = 0.0;
6045 pt[2].X = 0.0;
6046 pt[2].Y = 1.0;
6047 if (matrix)
6049 GpMatrix xform = *matrix;
6050 GdipTransformMatrixPoints(&xform, pt, 3);
6052 GdipTransformPoints(graphics, CoordinateSpaceDevice, CoordinateSpaceWorld, pt, 3);
6053 rel_width = sqrt((pt[1].Y-pt[0].Y)*(pt[1].Y-pt[0].Y)+
6054 (pt[1].X-pt[0].X)*(pt[1].X-pt[0].X));
6055 rel_height = sqrt((pt[2].Y-pt[0].Y)*(pt[2].Y-pt[0].Y)+
6056 (pt[2].X-pt[0].X)*(pt[2].X-pt[0].X));
6058 if (flags & DriverStringOptionsCmapLookup)
6060 glyph_indices = dynamic_glyph_indices = GdipAlloc(sizeof(WORD) * length);
6061 if (!glyph_indices)
6063 DeleteDC(hdc);
6064 DeleteObject(hfont);
6065 return OutOfMemory;
6068 GetGlyphIndicesW(hdc, text, length, dynamic_glyph_indices, 0);
6070 else
6071 glyph_indices = text;
6073 min_x = max_x = x = positions[0].X;
6074 min_y = max_y = y = positions[0].Y;
6076 ascent = textmetric.tmAscent / rel_height;
6077 descent = textmetric.tmDescent / rel_height;
6079 for (i=0; i<length; i++)
6081 int char_width;
6082 ABC abc;
6084 if (!(flags & DriverStringOptionsRealizedAdvance))
6086 x = positions[i].X;
6087 y = positions[i].Y;
6090 GetCharABCWidthsW(hdc, glyph_indices[i], glyph_indices[i], &abc);
6091 char_width = abc.abcA + abc.abcB + abc.abcC;
6093 if (min_y > y - ascent) min_y = y - ascent;
6094 if (max_y < y + descent) max_y = y + descent;
6095 if (min_x > x) min_x = x;
6097 x += char_width / rel_width;
6099 if (max_x < x) max_x = x;
6102 GdipFree(dynamic_glyph_indices);
6103 DeleteDC(hdc);
6104 DeleteObject(hfont);
6106 boundingBox->X = min_x;
6107 boundingBox->Y = min_y;
6108 boundingBox->Width = max_x - min_x;
6109 boundingBox->Height = max_y - min_y;
6111 return Ok;
6114 static GpStatus GDI32_GdipDrawDriverString(GpGraphics *graphics, GDIPCONST UINT16 *text, INT length,
6115 GDIPCONST GpFont *font, GDIPCONST GpStringFormat *format,
6116 GDIPCONST GpBrush *brush, GDIPCONST PointF *positions,
6117 INT flags, GDIPCONST GpMatrix *matrix)
6119 static const INT unsupported_flags = ~(DriverStringOptionsRealizedAdvance|DriverStringOptionsCmapLookup);
6120 INT save_state;
6121 GpPointF pt;
6122 HFONT hfont;
6123 UINT eto_flags=0;
6125 if (flags & unsupported_flags)
6126 FIXME("Ignoring flags %x\n", flags & unsupported_flags);
6128 if (!(flags & DriverStringOptionsCmapLookup))
6129 eto_flags |= ETO_GLYPH_INDEX;
6131 save_state = SaveDC(graphics->hdc);
6132 SetBkMode(graphics->hdc, TRANSPARENT);
6133 SetTextColor(graphics->hdc, get_gdi_brush_color(brush));
6135 pt = positions[0];
6136 GdipTransformPoints(graphics, CoordinateSpaceDevice, CoordinateSpaceWorld, &pt, 1);
6138 get_font_hfont(graphics, font, format, &hfont, matrix);
6139 SelectObject(graphics->hdc, hfont);
6141 SetTextAlign(graphics->hdc, TA_BASELINE|TA_LEFT);
6143 ExtTextOutW(graphics->hdc, gdip_round(pt.X), gdip_round(pt.Y), eto_flags, NULL, text, length, NULL);
6145 RestoreDC(graphics->hdc, save_state);
6147 DeleteObject(hfont);
6149 return Ok;
6152 static GpStatus SOFTWARE_GdipDrawDriverString(GpGraphics *graphics, GDIPCONST UINT16 *text, INT length,
6153 GDIPCONST GpFont *font, GDIPCONST GpStringFormat *format,
6154 GDIPCONST GpBrush *brush, GDIPCONST PointF *positions,
6155 INT flags, GDIPCONST GpMatrix *matrix)
6157 static const INT unsupported_flags = ~(DriverStringOptionsCmapLookup|DriverStringOptionsRealizedAdvance);
6158 GpStatus stat;
6159 PointF *real_positions, real_position;
6160 POINT *pti;
6161 HFONT hfont;
6162 HDC hdc;
6163 int min_x=INT_MAX, min_y=INT_MAX, max_x=INT_MIN, max_y=INT_MIN, i, x, y;
6164 DWORD max_glyphsize=0;
6165 GLYPHMETRICS glyphmetrics;
6166 static const MAT2 identity = {{0,1}, {0,0}, {0,0}, {0,1}};
6167 BYTE *glyph_mask;
6168 BYTE *text_mask;
6169 int text_mask_stride;
6170 BYTE *pixel_data;
6171 int pixel_data_stride;
6172 GpRect pixel_area;
6173 UINT ggo_flags = GGO_GRAY8_BITMAP;
6175 if (length <= 0)
6176 return Ok;
6178 if (!(flags & DriverStringOptionsCmapLookup))
6179 ggo_flags |= GGO_GLYPH_INDEX;
6181 if (flags & unsupported_flags)
6182 FIXME("Ignoring flags %x\n", flags & unsupported_flags);
6184 pti = GdipAlloc(sizeof(POINT) * length);
6185 if (!pti)
6186 return OutOfMemory;
6188 if (flags & DriverStringOptionsRealizedAdvance)
6190 real_position = positions[0];
6192 transform_and_round_points(graphics, pti, &real_position, 1);
6194 else
6196 real_positions = GdipAlloc(sizeof(PointF) * length);
6197 if (!real_positions)
6199 GdipFree(pti);
6200 return OutOfMemory;
6203 memcpy(real_positions, positions, sizeof(PointF) * length);
6205 transform_and_round_points(graphics, pti, real_positions, length);
6207 GdipFree(real_positions);
6210 get_font_hfont(graphics, font, format, &hfont, matrix);
6212 hdc = CreateCompatibleDC(0);
6213 SelectObject(hdc, hfont);
6215 /* Get the boundaries of the text to be drawn */
6216 for (i=0; i<length; i++)
6218 DWORD glyphsize;
6219 int left, top, right, bottom;
6221 glyphsize = GetGlyphOutlineW(hdc, text[i], ggo_flags,
6222 &glyphmetrics, 0, NULL, &identity);
6224 if (glyphsize == GDI_ERROR)
6226 ERR("GetGlyphOutlineW failed\n");
6227 GdipFree(pti);
6228 DeleteDC(hdc);
6229 DeleteObject(hfont);
6230 return GenericError;
6233 if (glyphsize > max_glyphsize)
6234 max_glyphsize = glyphsize;
6236 if (glyphsize != 0)
6238 left = pti[i].x + glyphmetrics.gmptGlyphOrigin.x;
6239 top = pti[i].y - glyphmetrics.gmptGlyphOrigin.y;
6240 right = pti[i].x + glyphmetrics.gmptGlyphOrigin.x + glyphmetrics.gmBlackBoxX;
6241 bottom = pti[i].y - glyphmetrics.gmptGlyphOrigin.y + glyphmetrics.gmBlackBoxY;
6243 if (left < min_x) min_x = left;
6244 if (top < min_y) min_y = top;
6245 if (right > max_x) max_x = right;
6246 if (bottom > max_y) max_y = bottom;
6249 if (i+1 < length && (flags & DriverStringOptionsRealizedAdvance) == DriverStringOptionsRealizedAdvance)
6251 pti[i+1].x = pti[i].x + glyphmetrics.gmCellIncX;
6252 pti[i+1].y = pti[i].y + glyphmetrics.gmCellIncY;
6256 if (max_glyphsize == 0)
6257 /* Nothing to draw. */
6258 return Ok;
6260 glyph_mask = GdipAlloc(max_glyphsize);
6261 text_mask = GdipAlloc((max_x - min_x) * (max_y - min_y));
6262 text_mask_stride = max_x - min_x;
6264 if (!(glyph_mask && text_mask))
6266 GdipFree(glyph_mask);
6267 GdipFree(text_mask);
6268 GdipFree(pti);
6269 DeleteDC(hdc);
6270 DeleteObject(hfont);
6271 return OutOfMemory;
6274 /* Generate a mask for the text */
6275 for (i=0; i<length; i++)
6277 DWORD ret;
6278 int left, top, stride;
6280 ret = GetGlyphOutlineW(hdc, text[i], ggo_flags,
6281 &glyphmetrics, max_glyphsize, glyph_mask, &identity);
6283 if (ret == GDI_ERROR || ret == 0)
6284 continue; /* empty glyph */
6286 left = pti[i].x + glyphmetrics.gmptGlyphOrigin.x;
6287 top = pti[i].y - glyphmetrics.gmptGlyphOrigin.y;
6288 stride = (glyphmetrics.gmBlackBoxX + 3) & (~3);
6290 for (y=0; y<glyphmetrics.gmBlackBoxY; y++)
6292 BYTE *glyph_val = glyph_mask + y * stride;
6293 BYTE *text_val = text_mask + (left - min_x) + (top - min_y + y) * text_mask_stride;
6294 for (x=0; x<glyphmetrics.gmBlackBoxX; x++)
6296 *text_val = min(64, *text_val + *glyph_val);
6297 glyph_val++;
6298 text_val++;
6303 GdipFree(pti);
6304 DeleteDC(hdc);
6305 DeleteObject(hfont);
6306 GdipFree(glyph_mask);
6308 /* get the brush data */
6309 pixel_data = GdipAlloc(4 * (max_x - min_x) * (max_y - min_y));
6310 if (!pixel_data)
6312 GdipFree(text_mask);
6313 return OutOfMemory;
6316 pixel_area.X = min_x;
6317 pixel_area.Y = min_y;
6318 pixel_area.Width = max_x - min_x;
6319 pixel_area.Height = max_y - min_y;
6320 pixel_data_stride = pixel_area.Width * 4;
6322 stat = brush_fill_pixels(graphics, (GpBrush*)brush, (DWORD*)pixel_data, &pixel_area, pixel_area.Width);
6323 if (stat != Ok)
6325 GdipFree(text_mask);
6326 GdipFree(pixel_data);
6327 return stat;
6330 /* multiply the brush data by the mask */
6331 for (y=0; y<pixel_area.Height; y++)
6333 BYTE *text_val = text_mask + text_mask_stride * y;
6334 BYTE *pixel_val = pixel_data + pixel_data_stride * y + 3;
6335 for (x=0; x<pixel_area.Width; x++)
6337 *pixel_val = (*pixel_val) * (*text_val) / 64;
6338 text_val++;
6339 pixel_val+=4;
6343 GdipFree(text_mask);
6345 /* draw the result */
6346 stat = alpha_blend_pixels(graphics, min_x, min_y, pixel_data, pixel_area.Width,
6347 pixel_area.Height, pixel_data_stride);
6349 GdipFree(pixel_data);
6351 return stat;
6354 static GpStatus draw_driver_string(GpGraphics *graphics, GDIPCONST UINT16 *text, INT length,
6355 GDIPCONST GpFont *font, GDIPCONST GpStringFormat *format,
6356 GDIPCONST GpBrush *brush, GDIPCONST PointF *positions,
6357 INT flags, GDIPCONST GpMatrix *matrix)
6359 GpStatus stat = NotImplemented;
6361 if (length == -1)
6362 length = strlenW(text);
6364 if (graphics->hdc && !graphics->alpha_hdc &&
6365 ((flags & DriverStringOptionsRealizedAdvance) || length <= 1) &&
6366 brush->bt == BrushTypeSolidColor &&
6367 (((GpSolidFill*)brush)->color & 0xff000000) == 0xff000000)
6368 stat = GDI32_GdipDrawDriverString(graphics, text, length, font, format,
6369 brush, positions, flags, matrix);
6370 if (stat == NotImplemented)
6371 stat = SOFTWARE_GdipDrawDriverString(graphics, text, length, font, format,
6372 brush, positions, flags, matrix);
6373 return stat;
6376 /*****************************************************************************
6377 * GdipDrawDriverString [GDIPLUS.@]
6379 GpStatus WINGDIPAPI GdipDrawDriverString(GpGraphics *graphics, GDIPCONST UINT16 *text, INT length,
6380 GDIPCONST GpFont *font, GDIPCONST GpBrush *brush,
6381 GDIPCONST PointF *positions, INT flags,
6382 GDIPCONST GpMatrix *matrix )
6384 TRACE("(%p %s %p %p %p %d %p)\n", graphics, debugstr_wn(text, length), font, brush, positions, flags, matrix);
6386 if (!graphics || !text || !font || !brush || !positions)
6387 return InvalidParameter;
6389 return draw_driver_string(graphics, text, length, font, NULL,
6390 brush, positions, flags, matrix);
6393 GpStatus WINGDIPAPI GdipRecordMetafileStream(IStream *stream, HDC hdc, EmfType type, GDIPCONST GpRect *frameRect,
6394 MetafileFrameUnit frameUnit, GDIPCONST WCHAR *desc, GpMetafile **metafile)
6396 FIXME("(%p %p %d %p %d %p %p): stub\n", stream, hdc, type, frameRect, frameUnit, desc, metafile);
6397 return NotImplemented;
6400 /*****************************************************************************
6401 * GdipIsVisibleClipEmpty [GDIPLUS.@]
6403 GpStatus WINGDIPAPI GdipIsVisibleClipEmpty(GpGraphics *graphics, BOOL *res)
6405 GpStatus stat;
6406 GpRegion* rgn;
6408 TRACE("(%p, %p)\n", graphics, res);
6410 if((stat = GdipCreateRegion(&rgn)) != Ok)
6411 return stat;
6413 if((stat = get_visible_clip_region(graphics, rgn)) != Ok)
6414 goto cleanup;
6416 stat = GdipIsEmptyRegion(rgn, graphics, res);
6418 cleanup:
6419 GdipDeleteRegion(rgn);
6420 return stat;
6423 GpStatus WINGDIPAPI GdipResetPageTransform(GpGraphics *graphics)
6425 static int calls;
6427 TRACE("(%p) stub\n", graphics);
6429 if(!(calls++))
6430 FIXME("not implemented\n");
6432 return NotImplemented;