gdiplus: Add fixme's for unimplemented path gradient features.
[wine.git] / dlls / gdiplus / graphics.c
blob67361a2318ed8926f7df83d2fb70c8838b1e9b1f
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 /* Converts angle (in degrees) to x/y coordinates */
50 static void deg2xy(REAL angle, REAL x_0, REAL y_0, REAL *x, REAL *y)
52 REAL radAngle, hypotenuse;
54 radAngle = deg2rad(angle);
55 hypotenuse = 50.0; /* arbitrary */
57 *x = x_0 + cos(radAngle) * hypotenuse;
58 *y = y_0 + sin(radAngle) * hypotenuse;
61 /* Converts from gdiplus path point type to gdi path point type. */
62 static BYTE convert_path_point_type(BYTE type)
64 BYTE ret;
66 switch(type & PathPointTypePathTypeMask){
67 case PathPointTypeBezier:
68 ret = PT_BEZIERTO;
69 break;
70 case PathPointTypeLine:
71 ret = PT_LINETO;
72 break;
73 case PathPointTypeStart:
74 ret = PT_MOVETO;
75 break;
76 default:
77 ERR("Bad point type\n");
78 return 0;
81 if(type & PathPointTypeCloseSubpath)
82 ret |= PT_CLOSEFIGURE;
84 return ret;
87 static REAL graphics_res(GpGraphics *graphics)
89 if (graphics->image) return graphics->image->xres;
90 else return (REAL)GetDeviceCaps(graphics->hdc, LOGPIXELSX);
93 static COLORREF get_gdi_brush_color(const GpBrush *brush)
95 ARGB argb;
97 switch (brush->bt)
99 case BrushTypeSolidColor:
101 const GpSolidFill *sf = (const GpSolidFill *)brush;
102 argb = sf->color;
103 break;
105 case BrushTypeHatchFill:
107 const GpHatch *hatch = (const GpHatch *)brush;
108 argb = hatch->forecol;
109 break;
111 case BrushTypeLinearGradient:
113 const GpLineGradient *line = (const GpLineGradient *)brush;
114 argb = line->startcolor;
115 break;
117 case BrushTypePathGradient:
119 const GpPathGradient *grad = (const GpPathGradient *)brush;
120 argb = grad->centercolor;
121 break;
123 default:
124 FIXME("unhandled brush type %d\n", brush->bt);
125 argb = 0;
126 break;
128 return ARGB2COLORREF(argb);
131 static HBITMAP create_hatch_bitmap(const GpHatch *hatch)
133 HBITMAP hbmp;
134 HDC hdc;
135 BITMAPINFOHEADER bmih;
136 DWORD *bits;
137 int x, y;
139 hdc = CreateCompatibleDC(0);
141 if (!hdc) return 0;
143 bmih.biSize = sizeof(bmih);
144 bmih.biWidth = 8;
145 bmih.biHeight = 8;
146 bmih.biPlanes = 1;
147 bmih.biBitCount = 32;
148 bmih.biCompression = BI_RGB;
149 bmih.biSizeImage = 0;
151 hbmp = CreateDIBSection(hdc, (BITMAPINFO *)&bmih, DIB_RGB_COLORS, (void **)&bits, NULL, 0);
152 if (hbmp)
154 const char *hatch_data;
156 if (get_hatch_data(hatch->hatchstyle, &hatch_data) == Ok)
158 for (y = 0; y < 8; y++)
160 for (x = 0; x < 8; x++)
162 if (hatch_data[y] & (0x80 >> x))
163 bits[y * 8 + x] = hatch->forecol;
164 else
165 bits[y * 8 + x] = hatch->backcol;
169 else
171 FIXME("Unimplemented hatch style %d\n", hatch->hatchstyle);
173 for (y = 0; y < 64; y++)
174 bits[y] = hatch->forecol;
178 DeleteDC(hdc);
179 return hbmp;
182 static GpStatus create_gdi_logbrush(const GpBrush *brush, LOGBRUSH *lb)
184 switch (brush->bt)
186 case BrushTypeSolidColor:
188 const GpSolidFill *sf = (const GpSolidFill *)brush;
189 lb->lbStyle = BS_SOLID;
190 lb->lbColor = ARGB2COLORREF(sf->color);
191 lb->lbHatch = 0;
192 return Ok;
195 case BrushTypeHatchFill:
197 const GpHatch *hatch = (const GpHatch *)brush;
198 HBITMAP hbmp;
200 hbmp = create_hatch_bitmap(hatch);
201 if (!hbmp) return OutOfMemory;
203 lb->lbStyle = BS_PATTERN;
204 lb->lbColor = 0;
205 lb->lbHatch = (ULONG_PTR)hbmp;
206 return Ok;
209 default:
210 FIXME("unhandled brush type %d\n", brush->bt);
211 lb->lbStyle = BS_SOLID;
212 lb->lbColor = get_gdi_brush_color(brush);
213 lb->lbHatch = 0;
214 return Ok;
218 static GpStatus free_gdi_logbrush(LOGBRUSH *lb)
220 switch (lb->lbStyle)
222 case BS_PATTERN:
223 DeleteObject((HGDIOBJ)(ULONG_PTR)lb->lbHatch);
224 break;
226 return Ok;
229 static HBRUSH create_gdi_brush(const GpBrush *brush)
231 LOGBRUSH lb;
232 HBRUSH gdibrush;
234 if (create_gdi_logbrush(brush, &lb) != Ok) return 0;
236 gdibrush = CreateBrushIndirect(&lb);
237 free_gdi_logbrush(&lb);
239 return gdibrush;
242 static INT prepare_dc(GpGraphics *graphics, GpPen *pen)
244 LOGBRUSH lb;
245 HPEN gdipen;
246 REAL width;
247 INT save_state, i, numdashes;
248 GpPointF pt[2];
249 DWORD dash_array[MAX_DASHLEN];
251 save_state = SaveDC(graphics->hdc);
253 EndPath(graphics->hdc);
255 if(pen->unit == UnitPixel){
256 width = pen->width;
258 else{
259 /* Get an estimate for the amount the pen width is affected by the world
260 * transform. (This is similar to what some of the wine drivers do.) */
261 pt[0].X = 0.0;
262 pt[0].Y = 0.0;
263 pt[1].X = 1.0;
264 pt[1].Y = 1.0;
265 GdipTransformMatrixPoints(graphics->worldtrans, pt, 2);
266 width = sqrt((pt[1].X - pt[0].X) * (pt[1].X - pt[0].X) +
267 (pt[1].Y - pt[0].Y) * (pt[1].Y - pt[0].Y)) / sqrt(2.0);
269 width *= pen->width * convert_unit(graphics_res(graphics),
270 pen->unit == UnitWorld ? graphics->unit : pen->unit);
273 if(pen->dash == DashStyleCustom){
274 numdashes = min(pen->numdashes, MAX_DASHLEN);
276 TRACE("dashes are: ");
277 for(i = 0; i < numdashes; i++){
278 dash_array[i] = roundr(width * pen->dashes[i]);
279 TRACE("%d, ", dash_array[i]);
281 TRACE("\n and the pen style is %x\n", pen->style);
283 create_gdi_logbrush(pen->brush, &lb);
284 gdipen = ExtCreatePen(pen->style, roundr(width), &lb,
285 numdashes, dash_array);
286 free_gdi_logbrush(&lb);
288 else
290 create_gdi_logbrush(pen->brush, &lb);
291 gdipen = ExtCreatePen(pen->style, roundr(width), &lb, 0, NULL);
292 free_gdi_logbrush(&lb);
295 SelectObject(graphics->hdc, gdipen);
297 return save_state;
300 static void restore_dc(GpGraphics *graphics, INT state)
302 DeleteObject(SelectObject(graphics->hdc, GetStockObject(NULL_PEN)));
303 RestoreDC(graphics->hdc, state);
306 static GpStatus get_graphics_transform(GpGraphics *graphics, GpCoordinateSpace dst_space,
307 GpCoordinateSpace src_space, GpMatrix **matrix);
309 /* This helper applies all the changes that the points listed in ptf need in
310 * order to be drawn on the device context. In the end, this should include at
311 * least:
312 * -scaling by page unit
313 * -applying world transformation
314 * -converting from float to int
315 * Native gdiplus uses gdi32 to do all this (via SetMapMode, SetViewportExtEx,
316 * SetWindowExtEx, SetWorldTransform, etc.) but we cannot because we are using
317 * gdi to draw, and these functions would irreparably mess with line widths.
319 static void transform_and_round_points(GpGraphics *graphics, POINT *pti,
320 GpPointF *ptf, INT count)
322 REAL unitscale;
323 GpMatrix *matrix;
324 int i;
326 unitscale = convert_unit(graphics_res(graphics), graphics->unit);
328 /* apply page scale */
329 if(graphics->unit != UnitDisplay)
330 unitscale *= graphics->scale;
332 GdipCloneMatrix(graphics->worldtrans, &matrix);
333 GdipScaleMatrix(matrix, unitscale, unitscale, MatrixOrderAppend);
334 GdipTransformMatrixPoints(matrix, ptf, count);
335 GdipDeleteMatrix(matrix);
337 for(i = 0; i < count; i++){
338 pti[i].x = roundr(ptf[i].X);
339 pti[i].y = roundr(ptf[i].Y);
343 /* Draw non-premultiplied ARGB data to the given graphics object */
344 static GpStatus alpha_blend_pixels(GpGraphics *graphics, INT dst_x, INT dst_y,
345 const BYTE *src, INT src_width, INT src_height, INT src_stride)
347 if (graphics->image && graphics->image->type == ImageTypeBitmap)
349 GpBitmap *dst_bitmap = (GpBitmap*)graphics->image;
350 INT x, y;
352 for (x=0; x<src_width; x++)
354 for (y=0; y<src_height; y++)
356 ARGB dst_color, src_color;
357 GdipBitmapGetPixel(dst_bitmap, x+dst_x, y+dst_y, &dst_color);
358 src_color = ((ARGB*)(src + src_stride * y))[x];
359 GdipBitmapSetPixel(dst_bitmap, x+dst_x, y+dst_y, color_over(dst_color, src_color));
363 return Ok;
365 else if (graphics->image && graphics->image->type == ImageTypeMetafile)
367 ERR("This should not be used for metafiles; fix caller\n");
368 return NotImplemented;
370 else
372 HDC hdc;
373 HBITMAP hbitmap, old_hbm=NULL;
374 BITMAPINFOHEADER bih;
375 BYTE *temp_bits;
376 BLENDFUNCTION bf;
378 hdc = CreateCompatibleDC(0);
380 bih.biSize = sizeof(BITMAPINFOHEADER);
381 bih.biWidth = src_width;
382 bih.biHeight = -src_height;
383 bih.biPlanes = 1;
384 bih.biBitCount = 32;
385 bih.biCompression = BI_RGB;
386 bih.biSizeImage = 0;
387 bih.biXPelsPerMeter = 0;
388 bih.biYPelsPerMeter = 0;
389 bih.biClrUsed = 0;
390 bih.biClrImportant = 0;
392 hbitmap = CreateDIBSection(hdc, (BITMAPINFO*)&bih, DIB_RGB_COLORS,
393 (void**)&temp_bits, NULL, 0);
395 convert_32bppARGB_to_32bppPARGB(src_width, src_height, temp_bits,
396 4 * src_width, src, src_stride);
398 old_hbm = SelectObject(hdc, hbitmap);
400 bf.BlendOp = AC_SRC_OVER;
401 bf.BlendFlags = 0;
402 bf.SourceConstantAlpha = 255;
403 bf.AlphaFormat = AC_SRC_ALPHA;
405 GdiAlphaBlend(graphics->hdc, dst_x, dst_y, src_width, src_height,
406 hdc, 0, 0, src_width, src_height, bf);
408 SelectObject(hdc, old_hbm);
409 DeleteDC(hdc);
410 DeleteObject(hbitmap);
412 return Ok;
416 static GpStatus alpha_blend_pixels_hrgn(GpGraphics *graphics, INT dst_x, INT dst_y,
417 const BYTE *src, INT src_width, INT src_height, INT src_stride, HRGN hregion)
419 GpStatus stat=Ok;
421 if (graphics->image && graphics->image->type == ImageTypeBitmap)
423 int i, size;
424 RGNDATA *rgndata;
425 RECT *rects;
427 size = GetRegionData(hregion, 0, NULL);
429 rgndata = GdipAlloc(size);
430 if (!rgndata)
431 return OutOfMemory;
433 GetRegionData(hregion, size, rgndata);
435 rects = (RECT*)&rgndata->Buffer;
437 for (i=0; stat == Ok && i<rgndata->rdh.nCount; i++)
439 stat = alpha_blend_pixels(graphics, rects[i].left, rects[i].top,
440 &src[(rects[i].left - dst_x) * 4 + (rects[i].top - dst_y) * src_stride],
441 rects[i].right - rects[i].left, rects[i].bottom - rects[i].top,
442 src_stride);
445 GdipFree(rgndata);
447 return stat;
449 else if (graphics->image && graphics->image->type == ImageTypeMetafile)
451 ERR("This should not be used for metafiles; fix caller\n");
452 return NotImplemented;
454 else
456 int save;
458 save = SaveDC(graphics->hdc);
460 ExtSelectClipRgn(graphics->hdc, hregion, RGN_AND);
462 stat = alpha_blend_pixels(graphics, dst_x, dst_y, src, src_width,
463 src_height, src_stride);
465 RestoreDC(graphics->hdc, save);
467 return stat;
471 static ARGB blend_colors(ARGB start, ARGB end, REAL position)
473 ARGB result=0;
474 ARGB i;
475 INT a1, a2, a3;
477 a1 = (start >> 24) & 0xff;
478 a2 = (end >> 24) & 0xff;
480 a3 = (int)(a1*(1.0f - position)+a2*(position));
482 result |= a3 << 24;
484 for (i=0xff; i<=0xff0000; i = i << 8)
485 result |= (int)((start&i)*(1.0f - position)+(end&i)*(position))&i;
486 return result;
489 static ARGB blend_line_gradient(GpLineGradient* brush, REAL position)
491 REAL blendfac;
493 /* clamp to between 0.0 and 1.0, using the wrap mode */
494 if (brush->wrap == WrapModeTile)
496 position = fmodf(position, 1.0f);
497 if (position < 0.0f) position += 1.0f;
499 else /* WrapModeFlip* */
501 position = fmodf(position, 2.0f);
502 if (position < 0.0f) position += 2.0f;
503 if (position > 1.0f) position = 2.0f - position;
506 if (brush->blendcount == 1)
507 blendfac = position;
508 else
510 int i=1;
511 REAL left_blendpos, left_blendfac, right_blendpos, right_blendfac;
512 REAL range;
514 /* locate the blend positions surrounding this position */
515 while (position > brush->blendpos[i])
516 i++;
518 /* interpolate between the blend positions */
519 left_blendpos = brush->blendpos[i-1];
520 left_blendfac = brush->blendfac[i-1];
521 right_blendpos = brush->blendpos[i];
522 right_blendfac = brush->blendfac[i];
523 range = right_blendpos - left_blendpos;
524 blendfac = (left_blendfac * (right_blendpos - position) +
525 right_blendfac * (position - left_blendpos)) / range;
528 if (brush->pblendcount == 0)
529 return blend_colors(brush->startcolor, brush->endcolor, blendfac);
530 else
532 int i=1;
533 ARGB left_blendcolor, right_blendcolor;
534 REAL left_blendpos, right_blendpos;
536 /* locate the blend colors surrounding this position */
537 while (blendfac > brush->pblendpos[i])
538 i++;
540 /* interpolate between the blend colors */
541 left_blendpos = brush->pblendpos[i-1];
542 left_blendcolor = brush->pblendcolor[i-1];
543 right_blendpos = brush->pblendpos[i];
544 right_blendcolor = brush->pblendcolor[i];
545 blendfac = (blendfac - left_blendpos) / (right_blendpos - left_blendpos);
546 return blend_colors(left_blendcolor, right_blendcolor, blendfac);
550 static ARGB transform_color(ARGB color, const ColorMatrix *matrix)
552 REAL val[5], res[4];
553 int i, j;
554 unsigned char a, r, g, b;
556 val[0] = ((color >> 16) & 0xff) / 255.0; /* red */
557 val[1] = ((color >> 8) & 0xff) / 255.0; /* green */
558 val[2] = (color & 0xff) / 255.0; /* blue */
559 val[3] = ((color >> 24) & 0xff) / 255.0; /* alpha */
560 val[4] = 1.0; /* translation */
562 for (i=0; i<4; i++)
564 res[i] = 0.0;
566 for (j=0; j<5; j++)
567 res[i] += matrix->m[j][i] * val[j];
570 a = min(max(floorf(res[3]*255.0), 0.0), 255.0);
571 r = min(max(floorf(res[0]*255.0), 0.0), 255.0);
572 g = min(max(floorf(res[1]*255.0), 0.0), 255.0);
573 b = min(max(floorf(res[2]*255.0), 0.0), 255.0);
575 return (a << 24) | (r << 16) | (g << 8) | b;
578 static int color_is_gray(ARGB color)
580 unsigned char r, g, b;
582 r = (color >> 16) & 0xff;
583 g = (color >> 8) & 0xff;
584 b = color & 0xff;
586 return (r == g) && (g == b);
589 static void apply_image_attributes(const GpImageAttributes *attributes, LPBYTE data,
590 UINT width, UINT height, INT stride, ColorAdjustType type)
592 UINT x, y, i;
594 if (attributes->colorkeys[type].enabled ||
595 attributes->colorkeys[ColorAdjustTypeDefault].enabled)
597 const struct color_key *key;
598 BYTE min_blue, min_green, min_red;
599 BYTE max_blue, max_green, max_red;
601 if (attributes->colorkeys[type].enabled)
602 key = &attributes->colorkeys[type];
603 else
604 key = &attributes->colorkeys[ColorAdjustTypeDefault];
606 min_blue = key->low&0xff;
607 min_green = (key->low>>8)&0xff;
608 min_red = (key->low>>16)&0xff;
610 max_blue = key->high&0xff;
611 max_green = (key->high>>8)&0xff;
612 max_red = (key->high>>16)&0xff;
614 for (x=0; x<width; x++)
615 for (y=0; y<height; y++)
617 ARGB *src_color;
618 BYTE blue, green, red;
619 src_color = (ARGB*)(data + stride * y + sizeof(ARGB) * x);
620 blue = *src_color&0xff;
621 green = (*src_color>>8)&0xff;
622 red = (*src_color>>16)&0xff;
623 if (blue >= min_blue && green >= min_green && red >= min_red &&
624 blue <= max_blue && green <= max_green && red <= max_red)
625 *src_color = 0x00000000;
629 if (attributes->colorremaptables[type].enabled ||
630 attributes->colorremaptables[ColorAdjustTypeDefault].enabled)
632 const struct color_remap_table *table;
634 if (attributes->colorremaptables[type].enabled)
635 table = &attributes->colorremaptables[type];
636 else
637 table = &attributes->colorremaptables[ColorAdjustTypeDefault];
639 for (x=0; x<width; x++)
640 for (y=0; y<height; y++)
642 ARGB *src_color;
643 src_color = (ARGB*)(data + stride * y + sizeof(ARGB) * x);
644 for (i=0; i<table->mapsize; i++)
646 if (*src_color == table->colormap[i].oldColor.Argb)
648 *src_color = table->colormap[i].newColor.Argb;
649 break;
655 if (attributes->colormatrices[type].enabled ||
656 attributes->colormatrices[ColorAdjustTypeDefault].enabled)
658 const struct color_matrix *colormatrices;
660 if (attributes->colormatrices[type].enabled)
661 colormatrices = &attributes->colormatrices[type];
662 else
663 colormatrices = &attributes->colormatrices[ColorAdjustTypeDefault];
665 for (x=0; x<width; x++)
666 for (y=0; y<height; y++)
668 ARGB *src_color;
669 src_color = (ARGB*)(data + stride * y + sizeof(ARGB) * x);
671 if (colormatrices->flags == ColorMatrixFlagsDefault ||
672 !color_is_gray(*src_color))
674 *src_color = transform_color(*src_color, &colormatrices->colormatrix);
676 else if (colormatrices->flags == ColorMatrixFlagsAltGray)
678 *src_color = transform_color(*src_color, &colormatrices->graymatrix);
683 if (attributes->gamma_enabled[type] ||
684 attributes->gamma_enabled[ColorAdjustTypeDefault])
686 REAL gamma;
688 if (attributes->gamma_enabled[type])
689 gamma = attributes->gamma[type];
690 else
691 gamma = attributes->gamma[ColorAdjustTypeDefault];
693 for (x=0; x<width; x++)
694 for (y=0; y<height; y++)
696 ARGB *src_color;
697 BYTE blue, green, red;
698 src_color = (ARGB*)(data + stride * y + sizeof(ARGB) * x);
700 blue = *src_color&0xff;
701 green = (*src_color>>8)&0xff;
702 red = (*src_color>>16)&0xff;
704 /* FIXME: We should probably use a table for this. */
705 blue = floorf(powf(blue / 255.0, gamma) * 255.0);
706 green = floorf(powf(green / 255.0, gamma) * 255.0);
707 red = floorf(powf(red / 255.0, gamma) * 255.0);
709 *src_color = (*src_color & 0xff000000) | (red << 16) | (green << 8) | blue;
714 /* Given a bitmap and its source rectangle, find the smallest rectangle in the
715 * bitmap that contains all the pixels we may need to draw it. */
716 static void get_bitmap_sample_size(InterpolationMode interpolation, WrapMode wrap,
717 GpBitmap* bitmap, REAL srcx, REAL srcy, REAL srcwidth, REAL srcheight,
718 GpRect *rect)
720 INT left, top, right, bottom;
722 switch (interpolation)
724 case InterpolationModeHighQualityBilinear:
725 case InterpolationModeHighQualityBicubic:
726 /* FIXME: Include a greater range for the prefilter? */
727 case InterpolationModeBicubic:
728 case InterpolationModeBilinear:
729 left = (INT)(floorf(srcx));
730 top = (INT)(floorf(srcy));
731 right = (INT)(ceilf(srcx+srcwidth));
732 bottom = (INT)(ceilf(srcy+srcheight));
733 break;
734 case InterpolationModeNearestNeighbor:
735 default:
736 left = roundr(srcx);
737 top = roundr(srcy);
738 right = roundr(srcx+srcwidth);
739 bottom = roundr(srcy+srcheight);
740 break;
743 if (wrap == WrapModeClamp)
745 if (left < 0)
746 left = 0;
747 if (top < 0)
748 top = 0;
749 if (right >= bitmap->width)
750 right = bitmap->width-1;
751 if (bottom >= bitmap->height)
752 bottom = bitmap->height-1;
754 else
756 /* In some cases we can make the rectangle smaller here, but the logic
757 * is hard to get right, and tiling suggests we're likely to use the
758 * entire source image. */
759 if (left < 0 || right >= bitmap->width)
761 left = 0;
762 right = bitmap->width-1;
765 if (top < 0 || bottom >= bitmap->height)
767 top = 0;
768 bottom = bitmap->height-1;
772 rect->X = left;
773 rect->Y = top;
774 rect->Width = right - left + 1;
775 rect->Height = bottom - top + 1;
778 static ARGB sample_bitmap_pixel(GDIPCONST GpRect *src_rect, LPBYTE bits, UINT width,
779 UINT height, INT x, INT y, GDIPCONST GpImageAttributes *attributes)
781 if (attributes->wrap == WrapModeClamp)
783 if (x < 0 || y < 0 || x >= width || y >= height)
784 return attributes->outside_color;
786 else
788 /* Tiling. Make sure co-ordinates are positive as it simplifies the math. */
789 if (x < 0)
790 x = width*2 + x % (width * 2);
791 if (y < 0)
792 y = height*2 + y % (height * 2);
794 if ((attributes->wrap & 1) == 1)
796 /* Flip X */
797 if ((x / width) % 2 == 0)
798 x = x % width;
799 else
800 x = width - 1 - x % width;
802 else
803 x = x % width;
805 if ((attributes->wrap & 2) == 2)
807 /* Flip Y */
808 if ((y / height) % 2 == 0)
809 y = y % height;
810 else
811 y = height - 1 - y % height;
813 else
814 y = y % height;
817 if (x < src_rect->X || y < src_rect->Y || x >= src_rect->X + src_rect->Width || y >= src_rect->Y + src_rect->Height)
819 ERR("out of range pixel requested\n");
820 return 0xffcd0084;
823 return ((DWORD*)(bits))[(x - src_rect->X) + (y - src_rect->Y) * src_rect->Width];
826 static ARGB resample_bitmap_pixel(GDIPCONST GpRect *src_rect, LPBYTE bits, UINT width,
827 UINT height, GpPointF *point, GDIPCONST GpImageAttributes *attributes,
828 InterpolationMode interpolation)
830 static int fixme;
832 switch (interpolation)
834 default:
835 if (!fixme++)
836 FIXME("Unimplemented interpolation %i\n", interpolation);
837 /* fall-through */
838 case InterpolationModeBilinear:
840 REAL leftxf, topyf;
841 INT leftx, rightx, topy, bottomy;
842 ARGB topleft, topright, bottomleft, bottomright;
843 ARGB top, bottom;
844 float x_offset;
846 leftxf = floorf(point->X);
847 leftx = (INT)leftxf;
848 rightx = (INT)ceilf(point->X);
849 topyf = floorf(point->Y);
850 topy = (INT)topyf;
851 bottomy = (INT)ceilf(point->Y);
853 if (leftx == rightx && topy == bottomy)
854 return sample_bitmap_pixel(src_rect, bits, width, height,
855 leftx, topy, attributes);
857 topleft = sample_bitmap_pixel(src_rect, bits, width, height,
858 leftx, topy, attributes);
859 topright = sample_bitmap_pixel(src_rect, bits, width, height,
860 rightx, topy, attributes);
861 bottomleft = sample_bitmap_pixel(src_rect, bits, width, height,
862 leftx, bottomy, attributes);
863 bottomright = sample_bitmap_pixel(src_rect, bits, width, height,
864 rightx, bottomy, attributes);
866 x_offset = point->X - leftxf;
867 top = blend_colors(topleft, topright, x_offset);
868 bottom = blend_colors(bottomleft, bottomright, x_offset);
870 return blend_colors(top, bottom, point->Y - topyf);
872 case InterpolationModeNearestNeighbor:
873 return sample_bitmap_pixel(src_rect, bits, width, height,
874 roundr(point->X), roundr(point->Y), attributes);
878 static REAL intersect_line_scanline(const GpPointF *p1, const GpPointF *p2, REAL y)
880 return (p1->X - p2->X) * (p2->Y - y) / (p2->Y - p1->Y) + p2->X;
883 static INT brush_can_fill_path(GpBrush *brush)
885 switch (brush->bt)
887 case BrushTypeSolidColor:
888 return 1;
889 case BrushTypeHatchFill:
891 GpHatch *hatch = (GpHatch*)brush;
892 return ((hatch->forecol & 0xff000000) == 0xff000000) &&
893 ((hatch->backcol & 0xff000000) == 0xff000000);
895 case BrushTypeLinearGradient:
896 case BrushTypeTextureFill:
897 /* Gdi32 isn't much help with these, so we should use brush_fill_pixels instead. */
898 default:
899 return 0;
903 static void brush_fill_path(GpGraphics *graphics, GpBrush* brush)
905 switch (brush->bt)
907 case BrushTypeSolidColor:
909 GpSolidFill *fill = (GpSolidFill*)brush;
910 HBITMAP bmp = ARGB2BMP(fill->color);
912 if (bmp)
914 RECT rc;
915 /* partially transparent fill */
917 SelectClipPath(graphics->hdc, RGN_AND);
918 if (GetClipBox(graphics->hdc, &rc) != NULLREGION)
920 HDC hdc = CreateCompatibleDC(NULL);
921 BLENDFUNCTION bf;
923 if (!hdc) break;
925 SelectObject(hdc, bmp);
927 bf.BlendOp = AC_SRC_OVER;
928 bf.BlendFlags = 0;
929 bf.SourceConstantAlpha = 255;
930 bf.AlphaFormat = AC_SRC_ALPHA;
932 GdiAlphaBlend(graphics->hdc, rc.left, rc.top, rc.right-rc.left, rc.bottom-rc.top, hdc, 0, 0, 1, 1, bf);
934 DeleteDC(hdc);
937 DeleteObject(bmp);
938 break;
940 /* else fall through */
942 default:
944 HBRUSH gdibrush, old_brush;
946 gdibrush = create_gdi_brush(brush);
947 if (!gdibrush) return;
949 old_brush = SelectObject(graphics->hdc, gdibrush);
950 FillPath(graphics->hdc);
951 SelectObject(graphics->hdc, old_brush);
952 DeleteObject(gdibrush);
953 break;
958 static INT brush_can_fill_pixels(GpBrush *brush)
960 switch (brush->bt)
962 case BrushTypeSolidColor:
963 case BrushTypeHatchFill:
964 case BrushTypeLinearGradient:
965 case BrushTypeTextureFill:
966 case BrushTypePathGradient:
967 return 1;
968 default:
969 return 0;
973 static GpStatus brush_fill_pixels(GpGraphics *graphics, GpBrush *brush,
974 DWORD *argb_pixels, GpRect *fill_area, UINT cdwStride)
976 switch (brush->bt)
978 case BrushTypeSolidColor:
980 int x, y;
981 GpSolidFill *fill = (GpSolidFill*)brush;
982 for (x=0; x<fill_area->Width; x++)
983 for (y=0; y<fill_area->Height; y++)
984 argb_pixels[x + y*cdwStride] = fill->color;
985 return Ok;
987 case BrushTypeHatchFill:
989 int x, y;
990 GpHatch *fill = (GpHatch*)brush;
991 const char *hatch_data;
993 if (get_hatch_data(fill->hatchstyle, &hatch_data) != Ok)
994 return NotImplemented;
996 for (x=0; x<fill_area->Width; x++)
997 for (y=0; y<fill_area->Height; y++)
999 int hx, hy;
1001 /* FIXME: Account for the rendering origin */
1002 hx = (x + fill_area->X) % 8;
1003 hy = (y + fill_area->Y) % 8;
1005 if ((hatch_data[7-hy] & (0x80 >> hx)) != 0)
1006 argb_pixels[x + y*cdwStride] = fill->forecol;
1007 else
1008 argb_pixels[x + y*cdwStride] = fill->backcol;
1011 return Ok;
1013 case BrushTypeLinearGradient:
1015 GpLineGradient *fill = (GpLineGradient*)brush;
1016 GpPointF draw_points[3], line_points[3];
1017 GpStatus stat;
1018 static const GpRectF box_1 = { 0.0, 0.0, 1.0, 1.0 };
1019 GpMatrix *world_to_gradient; /* FIXME: Store this in the brush? */
1020 int x, y;
1022 draw_points[0].X = fill_area->X;
1023 draw_points[0].Y = fill_area->Y;
1024 draw_points[1].X = fill_area->X+1;
1025 draw_points[1].Y = fill_area->Y;
1026 draw_points[2].X = fill_area->X;
1027 draw_points[2].Y = fill_area->Y+1;
1029 /* Transform the points to a co-ordinate space where X is the point's
1030 * position in the gradient, 0.0 being the start point and 1.0 the
1031 * end point. */
1032 stat = GdipTransformPoints(graphics, CoordinateSpaceWorld,
1033 CoordinateSpaceDevice, draw_points, 3);
1035 if (stat == Ok)
1037 line_points[0] = fill->startpoint;
1038 line_points[1] = fill->endpoint;
1039 line_points[2].X = fill->startpoint.X + (fill->startpoint.Y - fill->endpoint.Y);
1040 line_points[2].Y = fill->startpoint.Y + (fill->endpoint.X - fill->startpoint.X);
1042 stat = GdipCreateMatrix3(&box_1, line_points, &world_to_gradient);
1045 if (stat == Ok)
1047 stat = GdipInvertMatrix(world_to_gradient);
1049 if (stat == Ok)
1050 stat = GdipTransformMatrixPoints(world_to_gradient, draw_points, 3);
1052 GdipDeleteMatrix(world_to_gradient);
1055 if (stat == Ok)
1057 REAL x_delta = draw_points[1].X - draw_points[0].X;
1058 REAL y_delta = draw_points[2].X - draw_points[0].X;
1060 for (y=0; y<fill_area->Height; y++)
1062 for (x=0; x<fill_area->Width; x++)
1064 REAL pos = draw_points[0].X + x * x_delta + y * y_delta;
1066 argb_pixels[x + y*cdwStride] = blend_line_gradient(fill, pos);
1071 return stat;
1073 case BrushTypeTextureFill:
1075 GpTexture *fill = (GpTexture*)brush;
1076 GpPointF draw_points[3];
1077 GpStatus stat;
1078 GpMatrix *world_to_texture;
1079 int x, y;
1080 GpBitmap *bitmap;
1081 int src_stride;
1082 GpRect src_area;
1084 if (fill->image->type != ImageTypeBitmap)
1086 FIXME("metafile texture brushes not implemented\n");
1087 return NotImplemented;
1090 bitmap = (GpBitmap*)fill->image;
1091 src_stride = sizeof(ARGB) * bitmap->width;
1093 src_area.X = src_area.Y = 0;
1094 src_area.Width = bitmap->width;
1095 src_area.Height = bitmap->height;
1097 draw_points[0].X = fill_area->X;
1098 draw_points[0].Y = fill_area->Y;
1099 draw_points[1].X = fill_area->X+1;
1100 draw_points[1].Y = fill_area->Y;
1101 draw_points[2].X = fill_area->X;
1102 draw_points[2].Y = fill_area->Y+1;
1104 /* Transform the points to the co-ordinate space of the bitmap. */
1105 stat = GdipTransformPoints(graphics, CoordinateSpaceWorld,
1106 CoordinateSpaceDevice, draw_points, 3);
1108 if (stat == Ok)
1110 stat = GdipCloneMatrix(fill->transform, &world_to_texture);
1113 if (stat == Ok)
1115 stat = GdipInvertMatrix(world_to_texture);
1117 if (stat == Ok)
1118 stat = GdipTransformMatrixPoints(world_to_texture, draw_points, 3);
1120 GdipDeleteMatrix(world_to_texture);
1123 if (stat == Ok && !fill->bitmap_bits)
1125 BitmapData lockeddata;
1127 fill->bitmap_bits = GdipAlloc(sizeof(ARGB) * bitmap->width * bitmap->height);
1128 if (!fill->bitmap_bits)
1129 stat = OutOfMemory;
1131 if (stat == Ok)
1133 lockeddata.Width = bitmap->width;
1134 lockeddata.Height = bitmap->height;
1135 lockeddata.Stride = src_stride;
1136 lockeddata.PixelFormat = PixelFormat32bppARGB;
1137 lockeddata.Scan0 = fill->bitmap_bits;
1139 stat = GdipBitmapLockBits(bitmap, &src_area, ImageLockModeRead|ImageLockModeUserInputBuf,
1140 PixelFormat32bppARGB, &lockeddata);
1143 if (stat == Ok)
1144 stat = GdipBitmapUnlockBits(bitmap, &lockeddata);
1146 if (stat == Ok)
1147 apply_image_attributes(fill->imageattributes, fill->bitmap_bits,
1148 bitmap->width, bitmap->height,
1149 src_stride, ColorAdjustTypeBitmap);
1151 if (stat != Ok)
1153 GdipFree(fill->bitmap_bits);
1154 fill->bitmap_bits = NULL;
1158 if (stat == Ok)
1160 REAL x_dx = draw_points[1].X - draw_points[0].X;
1161 REAL x_dy = draw_points[1].Y - draw_points[0].Y;
1162 REAL y_dx = draw_points[2].X - draw_points[0].X;
1163 REAL y_dy = draw_points[2].Y - draw_points[0].Y;
1165 for (y=0; y<fill_area->Height; y++)
1167 for (x=0; x<fill_area->Width; x++)
1169 GpPointF point;
1170 point.X = draw_points[0].X + x * x_dx + y * y_dx;
1171 point.Y = draw_points[0].Y + y * x_dy + y * y_dy;
1173 argb_pixels[x + y*cdwStride] = resample_bitmap_pixel(
1174 &src_area, fill->bitmap_bits, bitmap->width, bitmap->height,
1175 &point, fill->imageattributes, graphics->interpolation);
1180 return stat;
1182 case BrushTypePathGradient:
1184 GpPathGradient *fill = (GpPathGradient*)brush;
1185 GpPath *flat_path;
1186 GpMatrix *world_to_device;
1187 GpStatus stat;
1188 int i, figure_start=0;
1189 GpPointF start_point, end_point, center_point;
1190 BYTE type;
1191 REAL min_yf, max_yf, line1_xf, line2_xf;
1192 INT min_y, max_y, min_x, max_x;
1193 INT x, y;
1194 ARGB outer_color=0xffffffff;
1196 if (fill->focus.X != 0.0 || fill->focus.Y != 0.0)
1198 static int once;
1199 if (!once++)
1200 FIXME("path gradient focus not implemented\n");
1203 if (fill->gamma)
1205 static int once;
1206 if (!once++)
1207 FIXME("path gradient gamma correction not implemented\n");
1210 stat = GdipClonePath(fill->path, &flat_path);
1212 if (stat != Ok)
1213 return stat;
1215 stat = get_graphics_transform(graphics, CoordinateSpaceDevice,
1216 CoordinateSpaceWorld, &world_to_device);
1217 if (stat == Ok)
1219 stat = GdipTransformPath(flat_path, world_to_device);
1221 if (stat == Ok)
1223 center_point = fill->center;
1224 stat = GdipTransformMatrixPoints(world_to_device, &center_point, 1);
1227 if (stat == Ok)
1228 stat = GdipFlattenPath(flat_path, NULL, 0.5);
1230 GdipDeleteMatrix(world_to_device);
1233 if (stat != Ok)
1235 GdipDeletePath(flat_path);
1236 return stat;
1239 for (i=0; i<flat_path->pathdata.Count; i++)
1241 int start_center_line=0, end_center_line=0;
1242 int seen_start=0, seen_end=0, seen_center=0;
1243 REAL center_distance;
1245 type = flat_path->pathdata.Types[i];
1247 if ((type&PathPointTypePathTypeMask) == PathPointTypeStart)
1248 figure_start = i;
1250 start_point = flat_path->pathdata.Points[i];
1252 if ((type&PathPointTypeCloseSubpath) == PathPointTypeCloseSubpath || i+1 >= flat_path->pathdata.Count)
1253 end_point = flat_path->pathdata.Points[figure_start];
1254 else if ((flat_path->pathdata.Types[i+1] & PathPointTypePathTypeMask) == PathPointTypeLine)
1255 end_point = flat_path->pathdata.Points[i+1];
1256 else
1257 continue;
1259 min_yf = center_point.Y;
1260 if (min_yf > start_point.Y) min_yf = start_point.Y;
1261 if (min_yf > end_point.Y) min_yf = end_point.Y;
1263 if (min_yf < fill_area->Y)
1264 min_y = fill_area->Y;
1265 else
1266 min_y = (INT)ceil(min_yf);
1268 max_yf = center_point.Y;
1269 if (max_yf < start_point.Y) max_yf = start_point.Y;
1270 if (max_yf < end_point.Y) max_yf = end_point.Y;
1272 if (max_yf > fill_area->Y + fill_area->Height)
1273 max_y = fill_area->Y + fill_area->Height;
1274 else
1275 max_y = (INT)ceil(max_yf);
1277 /* This is proportional to the distance from start-end line to center point. */
1278 center_distance = (end_point.Y - start_point.Y) * (start_point.X - center_point.X) +
1279 (end_point.X - start_point.X) * (center_point.Y - start_point.Y);
1281 for (y=min_y; y<max_y; y++)
1283 REAL yf = (REAL)y;
1285 if (!seen_start && yf >= start_point.Y)
1287 seen_start = 1;
1288 start_center_line ^= 1;
1290 if (!seen_end && yf >= end_point.Y)
1292 seen_end = 1;
1293 end_center_line ^= 1;
1295 if (!seen_center && yf >= center_point.Y)
1297 seen_center = 1;
1298 start_center_line ^= 1;
1299 end_center_line ^= 1;
1302 if (start_center_line)
1303 line1_xf = intersect_line_scanline(&start_point, &center_point, yf);
1304 else
1305 line1_xf = intersect_line_scanline(&start_point, &end_point, yf);
1307 if (end_center_line)
1308 line2_xf = intersect_line_scanline(&end_point, &center_point, yf);
1309 else
1310 line2_xf = intersect_line_scanline(&start_point, &end_point, yf);
1312 if (line1_xf < line2_xf)
1314 min_x = (INT)ceil(line1_xf);
1315 max_x = (INT)ceil(line2_xf);
1317 else
1319 min_x = (INT)ceil(line2_xf);
1320 max_x = (INT)ceil(line1_xf);
1323 if (min_x < fill_area->X)
1324 min_x = fill_area->X;
1325 if (max_x > fill_area->X + fill_area->Width)
1326 max_x = fill_area->X + fill_area->Width;
1328 for (x=min_x; x<max_x; x++)
1330 REAL distance;
1332 distance = (end_point.Y - start_point.Y) * (start_point.X - (REAL)x) +
1333 (end_point.X - start_point.X) * (yf - start_point.Y);
1335 distance = distance / center_distance;
1337 argb_pixels[(x-fill_area->X) + (y-fill_area->Y)*cdwStride] =
1338 blend_colors(outer_color, fill->centercolor, distance);
1343 GdipDeletePath(flat_path);
1344 return stat;
1346 default:
1347 return NotImplemented;
1351 /* GdipDrawPie/GdipFillPie helper function */
1352 static void draw_pie(GpGraphics *graphics, REAL x, REAL y, REAL width,
1353 REAL height, REAL startAngle, REAL sweepAngle)
1355 GpPointF ptf[4];
1356 POINT pti[4];
1358 ptf[0].X = x;
1359 ptf[0].Y = y;
1360 ptf[1].X = x + width;
1361 ptf[1].Y = y + height;
1363 deg2xy(startAngle+sweepAngle, x + width / 2.0, y + width / 2.0, &ptf[2].X, &ptf[2].Y);
1364 deg2xy(startAngle, x + width / 2.0, y + width / 2.0, &ptf[3].X, &ptf[3].Y);
1366 transform_and_round_points(graphics, pti, ptf, 4);
1368 Pie(graphics->hdc, pti[0].x, pti[0].y, pti[1].x, pti[1].y, pti[2].x,
1369 pti[2].y, pti[3].x, pti[3].y);
1372 /* Draws the linecap the specified color and size on the hdc. The linecap is in
1373 * direction of the line from x1, y1 to x2, y2 and is anchored on x2, y2. Probably
1374 * should not be called on an hdc that has a path you care about. */
1375 static void draw_cap(GpGraphics *graphics, COLORREF color, GpLineCap cap, REAL size,
1376 const GpCustomLineCap *custom, REAL x1, REAL y1, REAL x2, REAL y2)
1378 HGDIOBJ oldbrush = NULL, oldpen = NULL;
1379 GpMatrix *matrix = NULL;
1380 HBRUSH brush = NULL;
1381 HPEN pen = NULL;
1382 PointF ptf[4], *custptf = NULL;
1383 POINT pt[4], *custpt = NULL;
1384 BYTE *tp = NULL;
1385 REAL theta, dsmall, dbig, dx, dy = 0.0;
1386 INT i, count;
1387 LOGBRUSH lb;
1388 BOOL customstroke;
1390 if((x1 == x2) && (y1 == y2))
1391 return;
1393 theta = gdiplus_atan2(y2 - y1, x2 - x1);
1395 customstroke = (cap == LineCapCustom) && custom && (!custom->fill);
1396 if(!customstroke){
1397 brush = CreateSolidBrush(color);
1398 lb.lbStyle = BS_SOLID;
1399 lb.lbColor = color;
1400 lb.lbHatch = 0;
1401 pen = ExtCreatePen(PS_GEOMETRIC | PS_SOLID | PS_ENDCAP_FLAT |
1402 PS_JOIN_MITER, 1, &lb, 0,
1403 NULL);
1404 oldbrush = SelectObject(graphics->hdc, brush);
1405 oldpen = SelectObject(graphics->hdc, pen);
1408 switch(cap){
1409 case LineCapFlat:
1410 break;
1411 case LineCapSquare:
1412 case LineCapSquareAnchor:
1413 case LineCapDiamondAnchor:
1414 size = size * (cap & LineCapNoAnchor ? ANCHOR_WIDTH : 1.0) / 2.0;
1415 if(cap == LineCapDiamondAnchor){
1416 dsmall = cos(theta + M_PI_2) * size;
1417 dbig = sin(theta + M_PI_2) * size;
1419 else{
1420 dsmall = cos(theta + M_PI_4) * size;
1421 dbig = sin(theta + M_PI_4) * size;
1424 ptf[0].X = x2 - dsmall;
1425 ptf[1].X = x2 + dbig;
1427 ptf[0].Y = y2 - dbig;
1428 ptf[3].Y = y2 + dsmall;
1430 ptf[1].Y = y2 - dsmall;
1431 ptf[2].Y = y2 + dbig;
1433 ptf[3].X = x2 - dbig;
1434 ptf[2].X = x2 + dsmall;
1436 transform_and_round_points(graphics, pt, ptf, 4);
1437 Polygon(graphics->hdc, pt, 4);
1439 break;
1440 case LineCapArrowAnchor:
1441 size = size * 4.0 / sqrt(3.0);
1443 dx = cos(M_PI / 6.0 + theta) * size;
1444 dy = sin(M_PI / 6.0 + theta) * size;
1446 ptf[0].X = x2 - dx;
1447 ptf[0].Y = y2 - dy;
1449 dx = cos(- M_PI / 6.0 + theta) * size;
1450 dy = sin(- M_PI / 6.0 + theta) * size;
1452 ptf[1].X = x2 - dx;
1453 ptf[1].Y = y2 - dy;
1455 ptf[2].X = x2;
1456 ptf[2].Y = y2;
1458 transform_and_round_points(graphics, pt, ptf, 3);
1459 Polygon(graphics->hdc, pt, 3);
1461 break;
1462 case LineCapRoundAnchor:
1463 dx = dy = ANCHOR_WIDTH * size / 2.0;
1465 ptf[0].X = x2 - dx;
1466 ptf[0].Y = y2 - dy;
1467 ptf[1].X = x2 + dx;
1468 ptf[1].Y = y2 + dy;
1470 transform_and_round_points(graphics, pt, ptf, 2);
1471 Ellipse(graphics->hdc, pt[0].x, pt[0].y, pt[1].x, pt[1].y);
1473 break;
1474 case LineCapTriangle:
1475 size = size / 2.0;
1476 dx = cos(M_PI_2 + theta) * size;
1477 dy = sin(M_PI_2 + theta) * size;
1479 ptf[0].X = x2 - dx;
1480 ptf[0].Y = y2 - dy;
1481 ptf[1].X = x2 + dx;
1482 ptf[1].Y = y2 + dy;
1484 dx = cos(theta) * size;
1485 dy = sin(theta) * size;
1487 ptf[2].X = x2 + dx;
1488 ptf[2].Y = y2 + dy;
1490 transform_and_round_points(graphics, pt, ptf, 3);
1491 Polygon(graphics->hdc, pt, 3);
1493 break;
1494 case LineCapRound:
1495 dx = dy = size / 2.0;
1497 ptf[0].X = x2 - dx;
1498 ptf[0].Y = y2 - dy;
1499 ptf[1].X = x2 + dx;
1500 ptf[1].Y = y2 + dy;
1502 dx = -cos(M_PI_2 + theta) * size;
1503 dy = -sin(M_PI_2 + theta) * size;
1505 ptf[2].X = x2 - dx;
1506 ptf[2].Y = y2 - dy;
1507 ptf[3].X = x2 + dx;
1508 ptf[3].Y = y2 + dy;
1510 transform_and_round_points(graphics, pt, ptf, 4);
1511 Pie(graphics->hdc, pt[0].x, pt[0].y, pt[1].x, pt[1].y, pt[2].x,
1512 pt[2].y, pt[3].x, pt[3].y);
1514 break;
1515 case LineCapCustom:
1516 if(!custom)
1517 break;
1519 count = custom->pathdata.Count;
1520 custptf = GdipAlloc(count * sizeof(PointF));
1521 custpt = GdipAlloc(count * sizeof(POINT));
1522 tp = GdipAlloc(count);
1524 if(!custptf || !custpt || !tp || (GdipCreateMatrix(&matrix) != Ok))
1525 goto custend;
1527 memcpy(custptf, custom->pathdata.Points, count * sizeof(PointF));
1529 GdipScaleMatrix(matrix, size, size, MatrixOrderAppend);
1530 GdipRotateMatrix(matrix, (180.0 / M_PI) * (theta - M_PI_2),
1531 MatrixOrderAppend);
1532 GdipTranslateMatrix(matrix, x2, y2, MatrixOrderAppend);
1533 GdipTransformMatrixPoints(matrix, custptf, count);
1535 transform_and_round_points(graphics, custpt, custptf, count);
1537 for(i = 0; i < count; i++)
1538 tp[i] = convert_path_point_type(custom->pathdata.Types[i]);
1540 if(custom->fill){
1541 BeginPath(graphics->hdc);
1542 PolyDraw(graphics->hdc, custpt, tp, count);
1543 EndPath(graphics->hdc);
1544 StrokeAndFillPath(graphics->hdc);
1546 else
1547 PolyDraw(graphics->hdc, custpt, tp, count);
1549 custend:
1550 GdipFree(custptf);
1551 GdipFree(custpt);
1552 GdipFree(tp);
1553 GdipDeleteMatrix(matrix);
1554 break;
1555 default:
1556 break;
1559 if(!customstroke){
1560 SelectObject(graphics->hdc, oldbrush);
1561 SelectObject(graphics->hdc, oldpen);
1562 DeleteObject(brush);
1563 DeleteObject(pen);
1567 /* Shortens the line by the given percent by changing x2, y2.
1568 * If percent is > 1.0 then the line will change direction.
1569 * If percent is negative it can lengthen the line. */
1570 static void shorten_line_percent(REAL x1, REAL y1, REAL *x2, REAL *y2, REAL percent)
1572 REAL dist, theta, dx, dy;
1574 if((y1 == *y2) && (x1 == *x2))
1575 return;
1577 dist = sqrt((*x2 - x1) * (*x2 - x1) + (*y2 - y1) * (*y2 - y1)) * -percent;
1578 theta = gdiplus_atan2((*y2 - y1), (*x2 - x1));
1579 dx = cos(theta) * dist;
1580 dy = sin(theta) * dist;
1582 *x2 = *x2 + dx;
1583 *y2 = *y2 + dy;
1586 /* Shortens the line by the given amount by changing x2, y2.
1587 * If the amount is greater than the distance, the line will become length 0.
1588 * If the amount is negative, it can lengthen the line. */
1589 static void shorten_line_amt(REAL x1, REAL y1, REAL *x2, REAL *y2, REAL amt)
1591 REAL dx, dy, percent;
1593 dx = *x2 - x1;
1594 dy = *y2 - y1;
1595 if(dx == 0 && dy == 0)
1596 return;
1598 percent = amt / sqrt(dx * dx + dy * dy);
1599 if(percent >= 1.0){
1600 *x2 = x1;
1601 *y2 = y1;
1602 return;
1605 shorten_line_percent(x1, y1, x2, y2, percent);
1608 /* Draws lines between the given points, and if caps is true then draws an endcap
1609 * at the end of the last line. */
1610 static GpStatus draw_polyline(GpGraphics *graphics, GpPen *pen,
1611 GDIPCONST GpPointF * pt, INT count, BOOL caps)
1613 POINT *pti = NULL;
1614 GpPointF *ptcopy = NULL;
1615 GpStatus status = GenericError;
1617 if(!count)
1618 return Ok;
1620 pti = GdipAlloc(count * sizeof(POINT));
1621 ptcopy = GdipAlloc(count * sizeof(GpPointF));
1623 if(!pti || !ptcopy){
1624 status = OutOfMemory;
1625 goto end;
1628 memcpy(ptcopy, pt, count * sizeof(GpPointF));
1630 if(caps){
1631 if(pen->endcap == LineCapArrowAnchor)
1632 shorten_line_amt(ptcopy[count-2].X, ptcopy[count-2].Y,
1633 &ptcopy[count-1].X, &ptcopy[count-1].Y, pen->width);
1634 else if((pen->endcap == LineCapCustom) && pen->customend)
1635 shorten_line_amt(ptcopy[count-2].X, ptcopy[count-2].Y,
1636 &ptcopy[count-1].X, &ptcopy[count-1].Y,
1637 pen->customend->inset * pen->width);
1639 if(pen->startcap == LineCapArrowAnchor)
1640 shorten_line_amt(ptcopy[1].X, ptcopy[1].Y,
1641 &ptcopy[0].X, &ptcopy[0].Y, pen->width);
1642 else if((pen->startcap == LineCapCustom) && pen->customstart)
1643 shorten_line_amt(ptcopy[1].X, ptcopy[1].Y,
1644 &ptcopy[0].X, &ptcopy[0].Y,
1645 pen->customstart->inset * pen->width);
1647 draw_cap(graphics, get_gdi_brush_color(pen->brush), pen->endcap, pen->width, pen->customend,
1648 pt[count - 2].X, pt[count - 2].Y, pt[count - 1].X, pt[count - 1].Y);
1649 draw_cap(graphics, get_gdi_brush_color(pen->brush), pen->startcap, pen->width, pen->customstart,
1650 pt[1].X, pt[1].Y, pt[0].X, pt[0].Y);
1653 transform_and_round_points(graphics, pti, ptcopy, count);
1655 if(Polyline(graphics->hdc, pti, count))
1656 status = Ok;
1658 end:
1659 GdipFree(pti);
1660 GdipFree(ptcopy);
1662 return status;
1665 /* Conducts a linear search to find the bezier points that will back off
1666 * the endpoint of the curve by a distance of amt. Linear search works
1667 * better than binary in this case because there are multiple solutions,
1668 * and binary searches often find a bad one. I don't think this is what
1669 * Windows does but short of rendering the bezier without GDI's help it's
1670 * the best we can do. If rev then work from the start of the passed points
1671 * instead of the end. */
1672 static void shorten_bezier_amt(GpPointF * pt, REAL amt, BOOL rev)
1674 GpPointF origpt[4];
1675 REAL percent = 0.00, dx, dy, origx, origy, diff = -1.0;
1676 INT i, first = 0, second = 1, third = 2, fourth = 3;
1678 if(rev){
1679 first = 3;
1680 second = 2;
1681 third = 1;
1682 fourth = 0;
1685 origx = pt[fourth].X;
1686 origy = pt[fourth].Y;
1687 memcpy(origpt, pt, sizeof(GpPointF) * 4);
1689 for(i = 0; (i < MAX_ITERS) && (diff < amt); i++){
1690 /* reset bezier points to original values */
1691 memcpy(pt, origpt, sizeof(GpPointF) * 4);
1692 /* Perform magic on bezier points. Order is important here.*/
1693 shorten_line_percent(pt[third].X, pt[third].Y, &pt[fourth].X, &pt[fourth].Y, percent);
1694 shorten_line_percent(pt[second].X, pt[second].Y, &pt[third].X, &pt[third].Y, percent);
1695 shorten_line_percent(pt[third].X, pt[third].Y, &pt[fourth].X, &pt[fourth].Y, percent);
1696 shorten_line_percent(pt[first].X, pt[first].Y, &pt[second].X, &pt[second].Y, percent);
1697 shorten_line_percent(pt[second].X, pt[second].Y, &pt[third].X, &pt[third].Y, percent);
1698 shorten_line_percent(pt[third].X, pt[third].Y, &pt[fourth].X, &pt[fourth].Y, percent);
1700 dx = pt[fourth].X - origx;
1701 dy = pt[fourth].Y - origy;
1703 diff = sqrt(dx * dx + dy * dy);
1704 percent += 0.0005 * amt;
1708 /* Draws bezier curves between given points, and if caps is true then draws an
1709 * endcap at the end of the last line. */
1710 static GpStatus draw_polybezier(GpGraphics *graphics, GpPen *pen,
1711 GDIPCONST GpPointF * pt, INT count, BOOL caps)
1713 POINT *pti;
1714 GpPointF *ptcopy;
1715 GpStatus status = GenericError;
1717 if(!count)
1718 return Ok;
1720 pti = GdipAlloc(count * sizeof(POINT));
1721 ptcopy = GdipAlloc(count * sizeof(GpPointF));
1723 if(!pti || !ptcopy){
1724 status = OutOfMemory;
1725 goto end;
1728 memcpy(ptcopy, pt, count * sizeof(GpPointF));
1730 if(caps){
1731 if(pen->endcap == LineCapArrowAnchor)
1732 shorten_bezier_amt(&ptcopy[count-4], pen->width, FALSE);
1733 else if((pen->endcap == LineCapCustom) && pen->customend)
1734 shorten_bezier_amt(&ptcopy[count-4], pen->width * pen->customend->inset,
1735 FALSE);
1737 if(pen->startcap == LineCapArrowAnchor)
1738 shorten_bezier_amt(ptcopy, pen->width, TRUE);
1739 else if((pen->startcap == LineCapCustom) && pen->customstart)
1740 shorten_bezier_amt(ptcopy, pen->width * pen->customstart->inset, TRUE);
1742 /* the direction of the line cap is parallel to the direction at the
1743 * end of the bezier (which, if it has been shortened, is not the same
1744 * as the direction from pt[count-2] to pt[count-1]) */
1745 draw_cap(graphics, get_gdi_brush_color(pen->brush), pen->endcap, pen->width, pen->customend,
1746 pt[count - 1].X - (ptcopy[count - 1].X - ptcopy[count - 2].X),
1747 pt[count - 1].Y - (ptcopy[count - 1].Y - ptcopy[count - 2].Y),
1748 pt[count - 1].X, pt[count - 1].Y);
1750 draw_cap(graphics, get_gdi_brush_color(pen->brush), pen->startcap, pen->width, pen->customstart,
1751 pt[0].X - (ptcopy[0].X - ptcopy[1].X),
1752 pt[0].Y - (ptcopy[0].Y - ptcopy[1].Y), pt[0].X, pt[0].Y);
1755 transform_and_round_points(graphics, pti, ptcopy, count);
1757 PolyBezier(graphics->hdc, pti, count);
1759 status = Ok;
1761 end:
1762 GdipFree(pti);
1763 GdipFree(ptcopy);
1765 return status;
1768 /* Draws a combination of bezier curves and lines between points. */
1769 static GpStatus draw_poly(GpGraphics *graphics, GpPen *pen, GDIPCONST GpPointF * pt,
1770 GDIPCONST BYTE * types, INT count, BOOL caps)
1772 POINT *pti = GdipAlloc(count * sizeof(POINT));
1773 BYTE *tp = GdipAlloc(count);
1774 GpPointF *ptcopy = GdipAlloc(count * sizeof(GpPointF));
1775 INT i, j;
1776 GpStatus status = GenericError;
1778 if(!count){
1779 status = Ok;
1780 goto end;
1782 if(!pti || !tp || !ptcopy){
1783 status = OutOfMemory;
1784 goto end;
1787 for(i = 1; i < count; i++){
1788 if((types[i] & PathPointTypePathTypeMask) == PathPointTypeBezier){
1789 if((i + 2 >= count) || !(types[i + 1] & PathPointTypeBezier)
1790 || !(types[i + 1] & PathPointTypeBezier)){
1791 ERR("Bad bezier points\n");
1792 goto end;
1794 i += 2;
1798 memcpy(ptcopy, pt, count * sizeof(GpPointF));
1800 /* If we are drawing caps, go through the points and adjust them accordingly,
1801 * and draw the caps. */
1802 if(caps){
1803 switch(types[count - 1] & PathPointTypePathTypeMask){
1804 case PathPointTypeBezier:
1805 if(pen->endcap == LineCapArrowAnchor)
1806 shorten_bezier_amt(&ptcopy[count - 4], pen->width, FALSE);
1807 else if((pen->endcap == LineCapCustom) && pen->customend)
1808 shorten_bezier_amt(&ptcopy[count - 4],
1809 pen->width * pen->customend->inset, FALSE);
1811 draw_cap(graphics, get_gdi_brush_color(pen->brush), pen->endcap, pen->width, pen->customend,
1812 pt[count - 1].X - (ptcopy[count - 1].X - ptcopy[count - 2].X),
1813 pt[count - 1].Y - (ptcopy[count - 1].Y - ptcopy[count - 2].Y),
1814 pt[count - 1].X, pt[count - 1].Y);
1816 break;
1817 case PathPointTypeLine:
1818 if(pen->endcap == LineCapArrowAnchor)
1819 shorten_line_amt(ptcopy[count - 2].X, ptcopy[count - 2].Y,
1820 &ptcopy[count - 1].X, &ptcopy[count - 1].Y,
1821 pen->width);
1822 else if((pen->endcap == LineCapCustom) && pen->customend)
1823 shorten_line_amt(ptcopy[count - 2].X, ptcopy[count - 2].Y,
1824 &ptcopy[count - 1].X, &ptcopy[count - 1].Y,
1825 pen->customend->inset * pen->width);
1827 draw_cap(graphics, get_gdi_brush_color(pen->brush), pen->endcap, pen->width, pen->customend,
1828 pt[count - 2].X, pt[count - 2].Y, pt[count - 1].X,
1829 pt[count - 1].Y);
1831 break;
1832 default:
1833 ERR("Bad path last point\n");
1834 goto end;
1837 /* Find start of points */
1838 for(j = 1; j < count && ((types[j] & PathPointTypePathTypeMask)
1839 == PathPointTypeStart); j++);
1841 switch(types[j] & PathPointTypePathTypeMask){
1842 case PathPointTypeBezier:
1843 if(pen->startcap == LineCapArrowAnchor)
1844 shorten_bezier_amt(&ptcopy[j - 1], pen->width, TRUE);
1845 else if((pen->startcap == LineCapCustom) && pen->customstart)
1846 shorten_bezier_amt(&ptcopy[j - 1],
1847 pen->width * pen->customstart->inset, TRUE);
1849 draw_cap(graphics, get_gdi_brush_color(pen->brush), pen->startcap, pen->width, pen->customstart,
1850 pt[j - 1].X - (ptcopy[j - 1].X - ptcopy[j].X),
1851 pt[j - 1].Y - (ptcopy[j - 1].Y - ptcopy[j].Y),
1852 pt[j - 1].X, pt[j - 1].Y);
1854 break;
1855 case PathPointTypeLine:
1856 if(pen->startcap == LineCapArrowAnchor)
1857 shorten_line_amt(ptcopy[j].X, ptcopy[j].Y,
1858 &ptcopy[j - 1].X, &ptcopy[j - 1].Y,
1859 pen->width);
1860 else if((pen->startcap == LineCapCustom) && pen->customstart)
1861 shorten_line_amt(ptcopy[j].X, ptcopy[j].Y,
1862 &ptcopy[j - 1].X, &ptcopy[j - 1].Y,
1863 pen->customstart->inset * pen->width);
1865 draw_cap(graphics, get_gdi_brush_color(pen->brush), pen->startcap, pen->width, pen->customstart,
1866 pt[j].X, pt[j].Y, pt[j - 1].X,
1867 pt[j - 1].Y);
1869 break;
1870 default:
1871 ERR("Bad path points\n");
1872 goto end;
1876 transform_and_round_points(graphics, pti, ptcopy, count);
1878 for(i = 0; i < count; i++){
1879 tp[i] = convert_path_point_type(types[i]);
1882 PolyDraw(graphics->hdc, pti, tp, count);
1884 status = Ok;
1886 end:
1887 GdipFree(pti);
1888 GdipFree(ptcopy);
1889 GdipFree(tp);
1891 return status;
1894 GpStatus trace_path(GpGraphics *graphics, GpPath *path)
1896 GpStatus result;
1898 BeginPath(graphics->hdc);
1899 result = draw_poly(graphics, NULL, path->pathdata.Points,
1900 path->pathdata.Types, path->pathdata.Count, FALSE);
1901 EndPath(graphics->hdc);
1902 return result;
1905 typedef struct _GraphicsContainerItem {
1906 struct list entry;
1907 GraphicsContainer contid;
1909 SmoothingMode smoothing;
1910 CompositingQuality compqual;
1911 InterpolationMode interpolation;
1912 CompositingMode compmode;
1913 TextRenderingHint texthint;
1914 REAL scale;
1915 GpUnit unit;
1916 PixelOffsetMode pixeloffset;
1917 UINT textcontrast;
1918 GpMatrix* worldtrans;
1919 GpRegion* clip;
1920 } GraphicsContainerItem;
1922 static GpStatus init_container(GraphicsContainerItem** container,
1923 GDIPCONST GpGraphics* graphics){
1924 GpStatus sts;
1926 *container = GdipAlloc(sizeof(GraphicsContainerItem));
1927 if(!(*container))
1928 return OutOfMemory;
1930 (*container)->contid = graphics->contid + 1;
1932 (*container)->smoothing = graphics->smoothing;
1933 (*container)->compqual = graphics->compqual;
1934 (*container)->interpolation = graphics->interpolation;
1935 (*container)->compmode = graphics->compmode;
1936 (*container)->texthint = graphics->texthint;
1937 (*container)->scale = graphics->scale;
1938 (*container)->unit = graphics->unit;
1939 (*container)->textcontrast = graphics->textcontrast;
1940 (*container)->pixeloffset = graphics->pixeloffset;
1942 sts = GdipCloneMatrix(graphics->worldtrans, &(*container)->worldtrans);
1943 if(sts != Ok){
1944 GdipFree(*container);
1945 *container = NULL;
1946 return sts;
1949 sts = GdipCloneRegion(graphics->clip, &(*container)->clip);
1950 if(sts != Ok){
1951 GdipDeleteMatrix((*container)->worldtrans);
1952 GdipFree(*container);
1953 *container = NULL;
1954 return sts;
1957 return Ok;
1960 static void delete_container(GraphicsContainerItem* container){
1961 GdipDeleteMatrix(container->worldtrans);
1962 GdipDeleteRegion(container->clip);
1963 GdipFree(container);
1966 static GpStatus restore_container(GpGraphics* graphics,
1967 GDIPCONST GraphicsContainerItem* container){
1968 GpStatus sts;
1969 GpMatrix *newTrans;
1970 GpRegion *newClip;
1972 sts = GdipCloneMatrix(container->worldtrans, &newTrans);
1973 if(sts != Ok)
1974 return sts;
1976 sts = GdipCloneRegion(container->clip, &newClip);
1977 if(sts != Ok){
1978 GdipDeleteMatrix(newTrans);
1979 return sts;
1982 GdipDeleteMatrix(graphics->worldtrans);
1983 graphics->worldtrans = newTrans;
1985 GdipDeleteRegion(graphics->clip);
1986 graphics->clip = newClip;
1988 graphics->contid = container->contid - 1;
1990 graphics->smoothing = container->smoothing;
1991 graphics->compqual = container->compqual;
1992 graphics->interpolation = container->interpolation;
1993 graphics->compmode = container->compmode;
1994 graphics->texthint = container->texthint;
1995 graphics->scale = container->scale;
1996 graphics->unit = container->unit;
1997 graphics->textcontrast = container->textcontrast;
1998 graphics->pixeloffset = container->pixeloffset;
2000 return Ok;
2003 static GpStatus get_graphics_bounds(GpGraphics* graphics, GpRectF* rect)
2005 RECT wnd_rect;
2006 GpStatus stat=Ok;
2007 GpUnit unit;
2009 if(graphics->hwnd) {
2010 if(!GetClientRect(graphics->hwnd, &wnd_rect))
2011 return GenericError;
2013 rect->X = wnd_rect.left;
2014 rect->Y = wnd_rect.top;
2015 rect->Width = wnd_rect.right - wnd_rect.left;
2016 rect->Height = wnd_rect.bottom - wnd_rect.top;
2017 }else if (graphics->image){
2018 stat = GdipGetImageBounds(graphics->image, rect, &unit);
2019 if (stat == Ok && unit != UnitPixel)
2020 FIXME("need to convert from unit %i\n", unit);
2021 }else{
2022 rect->X = 0;
2023 rect->Y = 0;
2024 rect->Width = GetDeviceCaps(graphics->hdc, HORZRES);
2025 rect->Height = GetDeviceCaps(graphics->hdc, VERTRES);
2028 return stat;
2031 /* on success, rgn will contain the region of the graphics object which
2032 * is visible after clipping has been applied */
2033 static GpStatus get_visible_clip_region(GpGraphics *graphics, GpRegion *rgn)
2035 GpStatus stat;
2036 GpRectF rectf;
2037 GpRegion* tmp;
2039 if((stat = get_graphics_bounds(graphics, &rectf)) != Ok)
2040 return stat;
2042 if((stat = GdipCreateRegion(&tmp)) != Ok)
2043 return stat;
2045 if((stat = GdipCombineRegionRect(tmp, &rectf, CombineModeReplace)) != Ok)
2046 goto end;
2048 if((stat = GdipCombineRegionRegion(tmp, graphics->clip, CombineModeIntersect)) != Ok)
2049 goto end;
2051 stat = GdipCombineRegionRegion(rgn, tmp, CombineModeReplace);
2053 end:
2054 GdipDeleteRegion(tmp);
2055 return stat;
2058 void get_font_hfont(GpGraphics *graphics, GDIPCONST GpFont *font, HFONT *hfont)
2060 HDC hdc = CreateCompatibleDC(0);
2061 GpPointF pt[3];
2062 REAL angle, rel_width, rel_height;
2063 LOGFONTW lfw;
2064 HFONT unscaled_font;
2065 TEXTMETRICW textmet;
2067 pt[0].X = 0.0;
2068 pt[0].Y = 0.0;
2069 pt[1].X = 1.0;
2070 pt[1].Y = 0.0;
2071 pt[2].X = 0.0;
2072 pt[2].Y = 1.0;
2073 if (graphics)
2074 GdipTransformPoints(graphics, CoordinateSpaceDevice, CoordinateSpaceWorld, pt, 3);
2075 angle = -gdiplus_atan2((pt[1].Y - pt[0].Y), (pt[1].X - pt[0].X));
2076 rel_width = sqrt((pt[1].Y-pt[0].Y)*(pt[1].Y-pt[0].Y)+
2077 (pt[1].X-pt[0].X)*(pt[1].X-pt[0].X));
2078 rel_height = sqrt((pt[2].Y-pt[0].Y)*(pt[2].Y-pt[0].Y)+
2079 (pt[2].X-pt[0].X)*(pt[2].X-pt[0].X));
2081 lfw = font->lfw;
2082 lfw.lfHeight = roundr(-font->pixel_size * rel_height);
2083 unscaled_font = CreateFontIndirectW(&lfw);
2085 SelectObject(hdc, unscaled_font);
2086 GetTextMetricsW(hdc, &textmet);
2088 lfw = font->lfw;
2089 lfw.lfHeight = roundr(-font->pixel_size * rel_height);
2090 lfw.lfWidth = roundr(textmet.tmAveCharWidth * rel_width / rel_height);
2091 lfw.lfEscapement = lfw.lfOrientation = roundr((angle / M_PI) * 1800.0);
2093 *hfont = CreateFontIndirectW(&lfw);
2095 DeleteDC(hdc);
2096 DeleteObject(unscaled_font);
2099 GpStatus WINGDIPAPI GdipCreateFromHDC(HDC hdc, GpGraphics **graphics)
2101 TRACE("(%p, %p)\n", hdc, graphics);
2103 return GdipCreateFromHDC2(hdc, NULL, graphics);
2106 GpStatus WINGDIPAPI GdipCreateFromHDC2(HDC hdc, HANDLE hDevice, GpGraphics **graphics)
2108 GpStatus retval;
2110 TRACE("(%p, %p, %p)\n", hdc, hDevice, graphics);
2112 if(hDevice != NULL) {
2113 FIXME("Don't know how to handle parameter hDevice\n");
2114 return NotImplemented;
2117 if(hdc == NULL)
2118 return OutOfMemory;
2120 if(graphics == NULL)
2121 return InvalidParameter;
2123 *graphics = GdipAlloc(sizeof(GpGraphics));
2124 if(!*graphics) return OutOfMemory;
2126 if((retval = GdipCreateMatrix(&(*graphics)->worldtrans)) != Ok){
2127 GdipFree(*graphics);
2128 return retval;
2131 if((retval = GdipCreateRegion(&(*graphics)->clip)) != Ok){
2132 GdipFree((*graphics)->worldtrans);
2133 GdipFree(*graphics);
2134 return retval;
2137 (*graphics)->hdc = hdc;
2138 (*graphics)->hwnd = WindowFromDC(hdc);
2139 (*graphics)->owndc = FALSE;
2140 (*graphics)->smoothing = SmoothingModeDefault;
2141 (*graphics)->compqual = CompositingQualityDefault;
2142 (*graphics)->interpolation = InterpolationModeBilinear;
2143 (*graphics)->pixeloffset = PixelOffsetModeDefault;
2144 (*graphics)->compmode = CompositingModeSourceOver;
2145 (*graphics)->unit = UnitDisplay;
2146 (*graphics)->scale = 1.0;
2147 (*graphics)->busy = FALSE;
2148 (*graphics)->textcontrast = 4;
2149 list_init(&(*graphics)->containers);
2150 (*graphics)->contid = 0;
2152 TRACE("<-- %p\n", *graphics);
2154 return Ok;
2157 GpStatus graphics_from_image(GpImage *image, GpGraphics **graphics)
2159 GpStatus retval;
2161 *graphics = GdipAlloc(sizeof(GpGraphics));
2162 if(!*graphics) return OutOfMemory;
2164 if((retval = GdipCreateMatrix(&(*graphics)->worldtrans)) != Ok){
2165 GdipFree(*graphics);
2166 return retval;
2169 if((retval = GdipCreateRegion(&(*graphics)->clip)) != Ok){
2170 GdipFree((*graphics)->worldtrans);
2171 GdipFree(*graphics);
2172 return retval;
2175 (*graphics)->hdc = NULL;
2176 (*graphics)->hwnd = NULL;
2177 (*graphics)->owndc = FALSE;
2178 (*graphics)->image = image;
2179 (*graphics)->smoothing = SmoothingModeDefault;
2180 (*graphics)->compqual = CompositingQualityDefault;
2181 (*graphics)->interpolation = InterpolationModeBilinear;
2182 (*graphics)->pixeloffset = PixelOffsetModeDefault;
2183 (*graphics)->compmode = CompositingModeSourceOver;
2184 (*graphics)->unit = UnitDisplay;
2185 (*graphics)->scale = 1.0;
2186 (*graphics)->busy = FALSE;
2187 (*graphics)->textcontrast = 4;
2188 list_init(&(*graphics)->containers);
2189 (*graphics)->contid = 0;
2191 TRACE("<-- %p\n", *graphics);
2193 return Ok;
2196 GpStatus WINGDIPAPI GdipCreateFromHWND(HWND hwnd, GpGraphics **graphics)
2198 GpStatus ret;
2199 HDC hdc;
2201 TRACE("(%p, %p)\n", hwnd, graphics);
2203 hdc = GetDC(hwnd);
2205 if((ret = GdipCreateFromHDC(hdc, graphics)) != Ok)
2207 ReleaseDC(hwnd, hdc);
2208 return ret;
2211 (*graphics)->hwnd = hwnd;
2212 (*graphics)->owndc = TRUE;
2214 return Ok;
2217 /* FIXME: no icm handling */
2218 GpStatus WINGDIPAPI GdipCreateFromHWNDICM(HWND hwnd, GpGraphics **graphics)
2220 TRACE("(%p, %p)\n", hwnd, graphics);
2222 return GdipCreateFromHWND(hwnd, graphics);
2225 GpStatus WINGDIPAPI GdipCreateMetafileFromEmf(HENHMETAFILE hemf, BOOL delete,
2226 GpMetafile **metafile)
2228 IStream *stream = NULL;
2229 UINT read;
2230 ENHMETAHEADER *copy;
2231 GpStatus retval = Ok;
2233 TRACE("(%p,%i,%p)\n", hemf, delete, metafile);
2235 if(!hemf || !metafile)
2236 return InvalidParameter;
2238 read = GetEnhMetaFileBits(hemf, 0, NULL);
2239 copy = GdipAlloc(read);
2240 GetEnhMetaFileBits(hemf, read, (BYTE *)copy);
2242 if(CreateStreamOnHGlobal(copy, TRUE, &stream) != S_OK){
2243 ERR("could not make stream\n");
2244 GdipFree(copy);
2245 retval = GenericError;
2246 goto err;
2249 *metafile = GdipAlloc(sizeof(GpMetafile));
2250 if(!*metafile){
2251 retval = OutOfMemory;
2252 goto err;
2255 if(OleLoadPicture(stream, 0, FALSE, &IID_IPicture,
2256 (LPVOID*) &((*metafile)->image.picture)) != S_OK)
2258 retval = GenericError;
2259 goto err;
2263 (*metafile)->image.type = ImageTypeMetafile;
2264 memcpy(&(*metafile)->image.format, &ImageFormatWMF, sizeof(GUID));
2265 (*metafile)->image.palette_flags = 0;
2266 (*metafile)->image.palette_count = 0;
2267 (*metafile)->image.palette_size = 0;
2268 (*metafile)->image.palette_entries = NULL;
2269 (*metafile)->image.xres = (REAL)copy->szlDevice.cx;
2270 (*metafile)->image.yres = (REAL)copy->szlDevice.cy;
2271 (*metafile)->bounds.X = (REAL)copy->rclBounds.left;
2272 (*metafile)->bounds.Y = (REAL)copy->rclBounds.top;
2273 (*metafile)->bounds.Width = (REAL)(copy->rclBounds.right - copy->rclBounds.left);
2274 (*metafile)->bounds.Height = (REAL)(copy->rclBounds.bottom - copy->rclBounds.top);
2275 (*metafile)->unit = UnitPixel;
2277 if(delete)
2278 DeleteEnhMetaFile(hemf);
2280 TRACE("<-- %p\n", *metafile);
2282 err:
2283 if (retval != Ok)
2284 GdipFree(*metafile);
2285 IStream_Release(stream);
2286 return retval;
2289 GpStatus WINGDIPAPI GdipCreateMetafileFromWmf(HMETAFILE hwmf, BOOL delete,
2290 GDIPCONST WmfPlaceableFileHeader * placeable, GpMetafile **metafile)
2292 UINT read;
2293 BYTE *copy;
2294 HENHMETAFILE hemf;
2295 GpStatus retval = Ok;
2297 TRACE("(%p, %d, %p, %p)\n", hwmf, delete, placeable, metafile);
2299 if(!hwmf || !metafile || !placeable)
2300 return InvalidParameter;
2302 *metafile = NULL;
2303 read = GetMetaFileBitsEx(hwmf, 0, NULL);
2304 if(!read)
2305 return GenericError;
2306 copy = GdipAlloc(read);
2307 GetMetaFileBitsEx(hwmf, read, copy);
2309 hemf = SetWinMetaFileBits(read, copy, NULL, NULL);
2310 GdipFree(copy);
2312 retval = GdipCreateMetafileFromEmf(hemf, FALSE, metafile);
2314 if (retval == Ok)
2316 (*metafile)->image.xres = (REAL)placeable->Inch;
2317 (*metafile)->image.yres = (REAL)placeable->Inch;
2318 (*metafile)->bounds.X = ((REAL)placeable->BoundingBox.Left) / ((REAL)placeable->Inch);
2319 (*metafile)->bounds.Y = ((REAL)placeable->BoundingBox.Top) / ((REAL)placeable->Inch);
2320 (*metafile)->bounds.Width = (REAL)(placeable->BoundingBox.Right -
2321 placeable->BoundingBox.Left);
2322 (*metafile)->bounds.Height = (REAL)(placeable->BoundingBox.Bottom -
2323 placeable->BoundingBox.Top);
2325 if (delete) DeleteMetaFile(hwmf);
2327 return retval;
2330 GpStatus WINGDIPAPI GdipCreateMetafileFromWmfFile(GDIPCONST WCHAR *file,
2331 GDIPCONST WmfPlaceableFileHeader * placeable, GpMetafile **metafile)
2333 HMETAFILE hmf = GetMetaFileW(file);
2335 TRACE("(%s, %p, %p)\n", debugstr_w(file), placeable, metafile);
2337 if(!hmf) return InvalidParameter;
2339 return GdipCreateMetafileFromWmf(hmf, TRUE, placeable, metafile);
2342 GpStatus WINGDIPAPI GdipCreateMetafileFromFile(GDIPCONST WCHAR *file,
2343 GpMetafile **metafile)
2345 FIXME("(%p, %p): stub\n", file, metafile);
2346 return NotImplemented;
2349 GpStatus WINGDIPAPI GdipCreateMetafileFromStream(IStream *stream,
2350 GpMetafile **metafile)
2352 FIXME("(%p, %p): stub\n", stream, metafile);
2353 return NotImplemented;
2356 GpStatus WINGDIPAPI GdipCreateStreamOnFile(GDIPCONST WCHAR * filename,
2357 UINT access, IStream **stream)
2359 DWORD dwMode;
2360 HRESULT ret;
2362 TRACE("(%s, %u, %p)\n", debugstr_w(filename), access, stream);
2364 if(!stream || !filename)
2365 return InvalidParameter;
2367 if(access & GENERIC_WRITE)
2368 dwMode = STGM_SHARE_DENY_WRITE | STGM_WRITE | STGM_CREATE;
2369 else if(access & GENERIC_READ)
2370 dwMode = STGM_SHARE_DENY_WRITE | STGM_READ | STGM_FAILIFTHERE;
2371 else
2372 return InvalidParameter;
2374 ret = SHCreateStreamOnFileW(filename, dwMode, stream);
2376 return hresult_to_status(ret);
2379 GpStatus WINGDIPAPI GdipDeleteGraphics(GpGraphics *graphics)
2381 GraphicsContainerItem *cont, *next;
2382 GpStatus stat;
2383 TRACE("(%p)\n", graphics);
2385 if(!graphics) return InvalidParameter;
2386 if(graphics->busy) return ObjectBusy;
2388 if (graphics->image && graphics->image->type == ImageTypeMetafile)
2390 stat = METAFILE_GraphicsDeleted((GpMetafile*)graphics->image);
2391 if (stat != Ok)
2392 return stat;
2395 if(graphics->owndc)
2396 ReleaseDC(graphics->hwnd, graphics->hdc);
2398 LIST_FOR_EACH_ENTRY_SAFE(cont, next, &graphics->containers, GraphicsContainerItem, entry){
2399 list_remove(&cont->entry);
2400 delete_container(cont);
2403 GdipDeleteRegion(graphics->clip);
2404 GdipDeleteMatrix(graphics->worldtrans);
2405 GdipFree(graphics);
2407 return Ok;
2410 GpStatus WINGDIPAPI GdipDrawArc(GpGraphics *graphics, GpPen *pen, REAL x,
2411 REAL y, REAL width, REAL height, REAL startAngle, REAL sweepAngle)
2413 INT save_state, num_pts;
2414 GpPointF points[MAX_ARC_PTS];
2415 GpStatus retval;
2417 TRACE("(%p, %p, %.2f, %.2f, %.2f, %.2f, %.2f, %.2f)\n", graphics, pen, x, y,
2418 width, height, startAngle, sweepAngle);
2420 if(!graphics || !pen || width <= 0 || height <= 0)
2421 return InvalidParameter;
2423 if(graphics->busy)
2424 return ObjectBusy;
2426 if (!graphics->hdc)
2428 FIXME("graphics object has no HDC\n");
2429 return Ok;
2432 num_pts = arc2polybezier(points, x, y, width, height, startAngle, sweepAngle);
2434 save_state = prepare_dc(graphics, pen);
2436 retval = draw_polybezier(graphics, pen, points, num_pts, TRUE);
2438 restore_dc(graphics, save_state);
2440 return retval;
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 INT save_state;
2456 GpPointF pt[4];
2457 GpStatus retval;
2459 TRACE("(%p, %p, %.2f, %.2f, %.2f, %.2f, %.2f, %.2f, %.2f, %.2f)\n", graphics, pen, x1, y1,
2460 x2, y2, x3, y3, x4, y4);
2462 if(!graphics || !pen)
2463 return InvalidParameter;
2465 if(graphics->busy)
2466 return ObjectBusy;
2468 if (!graphics->hdc)
2470 FIXME("graphics object has no HDC\n");
2471 return Ok;
2474 pt[0].X = x1;
2475 pt[0].Y = y1;
2476 pt[1].X = x2;
2477 pt[1].Y = y2;
2478 pt[2].X = x3;
2479 pt[2].Y = y3;
2480 pt[3].X = x4;
2481 pt[3].Y = y4;
2483 save_state = prepare_dc(graphics, pen);
2485 retval = draw_polybezier(graphics, pen, pt, 4, TRUE);
2487 restore_dc(graphics, save_state);
2489 return retval;
2492 GpStatus WINGDIPAPI GdipDrawBezierI(GpGraphics *graphics, GpPen *pen, INT x1,
2493 INT y1, INT x2, INT y2, INT x3, INT y3, INT x4, INT y4)
2495 INT save_state;
2496 GpPointF pt[4];
2497 GpStatus retval;
2499 TRACE("(%p, %p, %d, %d, %d, %d, %d, %d, %d, %d)\n", graphics, pen, x1, y1,
2500 x2, y2, x3, y3, x4, y4);
2502 if(!graphics || !pen)
2503 return InvalidParameter;
2505 if(graphics->busy)
2506 return ObjectBusy;
2508 if (!graphics->hdc)
2510 FIXME("graphics object has no HDC\n");
2511 return Ok;
2514 pt[0].X = x1;
2515 pt[0].Y = y1;
2516 pt[1].X = x2;
2517 pt[1].Y = y2;
2518 pt[2].X = x3;
2519 pt[2].Y = y3;
2520 pt[3].X = x4;
2521 pt[3].Y = y4;
2523 save_state = prepare_dc(graphics, pen);
2525 retval = draw_polybezier(graphics, pen, pt, 4, TRUE);
2527 restore_dc(graphics, save_state);
2529 return retval;
2532 GpStatus WINGDIPAPI GdipDrawBeziers(GpGraphics *graphics, GpPen *pen,
2533 GDIPCONST GpPointF *points, INT count)
2535 INT i;
2536 GpStatus ret;
2538 TRACE("(%p, %p, %p, %d)\n", graphics, pen, points, count);
2540 if(!graphics || !pen || !points || (count <= 0))
2541 return InvalidParameter;
2543 if(graphics->busy)
2544 return ObjectBusy;
2546 for(i = 0; i < floor(count / 4); i++){
2547 ret = GdipDrawBezier(graphics, pen,
2548 points[4*i].X, points[4*i].Y,
2549 points[4*i + 1].X, points[4*i + 1].Y,
2550 points[4*i + 2].X, points[4*i + 2].Y,
2551 points[4*i + 3].X, points[4*i + 3].Y);
2552 if(ret != Ok)
2553 return ret;
2556 return Ok;
2559 GpStatus WINGDIPAPI GdipDrawBeziersI(GpGraphics *graphics, GpPen *pen,
2560 GDIPCONST GpPoint *points, INT count)
2562 GpPointF *pts;
2563 GpStatus ret;
2564 INT i;
2566 TRACE("(%p, %p, %p, %d)\n", graphics, pen, points, count);
2568 if(!graphics || !pen || !points || (count <= 0))
2569 return InvalidParameter;
2571 if(graphics->busy)
2572 return ObjectBusy;
2574 pts = GdipAlloc(sizeof(GpPointF) * count);
2575 if(!pts)
2576 return OutOfMemory;
2578 for(i = 0; i < count; i++){
2579 pts[i].X = (REAL)points[i].X;
2580 pts[i].Y = (REAL)points[i].Y;
2583 ret = GdipDrawBeziers(graphics,pen,pts,count);
2585 GdipFree(pts);
2587 return ret;
2590 GpStatus WINGDIPAPI GdipDrawClosedCurve(GpGraphics *graphics, GpPen *pen,
2591 GDIPCONST GpPointF *points, INT count)
2593 TRACE("(%p, %p, %p, %d)\n", graphics, pen, points, count);
2595 return GdipDrawClosedCurve2(graphics, pen, points, count, 1.0);
2598 GpStatus WINGDIPAPI GdipDrawClosedCurveI(GpGraphics *graphics, GpPen *pen,
2599 GDIPCONST GpPoint *points, INT count)
2601 TRACE("(%p, %p, %p, %d)\n", graphics, pen, points, count);
2603 return GdipDrawClosedCurve2I(graphics, pen, points, count, 1.0);
2606 GpStatus WINGDIPAPI GdipDrawClosedCurve2(GpGraphics *graphics, GpPen *pen,
2607 GDIPCONST GpPointF *points, INT count, REAL tension)
2609 GpPath *path;
2610 GpStatus stat;
2612 TRACE("(%p, %p, %p, %d, %.2f)\n", graphics, pen, points, count, tension);
2614 if(!graphics || !pen || !points || count <= 0)
2615 return InvalidParameter;
2617 if(graphics->busy)
2618 return ObjectBusy;
2620 if((stat = GdipCreatePath(FillModeAlternate, &path)) != Ok)
2621 return stat;
2623 stat = GdipAddPathClosedCurve2(path, points, count, tension);
2624 if(stat != Ok){
2625 GdipDeletePath(path);
2626 return stat;
2629 stat = GdipDrawPath(graphics, pen, path);
2631 GdipDeletePath(path);
2633 return stat;
2636 GpStatus WINGDIPAPI GdipDrawClosedCurve2I(GpGraphics *graphics, GpPen *pen,
2637 GDIPCONST GpPoint *points, INT count, REAL tension)
2639 GpPointF *ptf;
2640 GpStatus stat;
2641 INT i;
2643 TRACE("(%p, %p, %p, %d, %.2f)\n", graphics, pen, points, count, tension);
2645 if(!points || count <= 0)
2646 return InvalidParameter;
2648 ptf = GdipAlloc(sizeof(GpPointF)*count);
2649 if(!ptf)
2650 return OutOfMemory;
2652 for(i = 0; i < count; i++){
2653 ptf[i].X = (REAL)points[i].X;
2654 ptf[i].Y = (REAL)points[i].Y;
2657 stat = GdipDrawClosedCurve2(graphics, pen, ptf, count, tension);
2659 GdipFree(ptf);
2661 return stat;
2664 GpStatus WINGDIPAPI GdipDrawCurve(GpGraphics *graphics, GpPen *pen,
2665 GDIPCONST GpPointF *points, INT count)
2667 TRACE("(%p, %p, %p, %d)\n", graphics, pen, points, count);
2669 return GdipDrawCurve2(graphics,pen,points,count,1.0);
2672 GpStatus WINGDIPAPI GdipDrawCurveI(GpGraphics *graphics, GpPen *pen,
2673 GDIPCONST GpPoint *points, INT count)
2675 GpPointF *pointsF;
2676 GpStatus ret;
2677 INT i;
2679 TRACE("(%p, %p, %p, %d)\n", graphics, pen, points, count);
2681 if(!points)
2682 return InvalidParameter;
2684 pointsF = GdipAlloc(sizeof(GpPointF)*count);
2685 if(!pointsF)
2686 return OutOfMemory;
2688 for(i = 0; i < count; i++){
2689 pointsF[i].X = (REAL)points[i].X;
2690 pointsF[i].Y = (REAL)points[i].Y;
2693 ret = GdipDrawCurve(graphics,pen,pointsF,count);
2694 GdipFree(pointsF);
2696 return ret;
2699 /* Approximates cardinal spline with Bezier curves. */
2700 GpStatus WINGDIPAPI GdipDrawCurve2(GpGraphics *graphics, GpPen *pen,
2701 GDIPCONST GpPointF *points, INT count, REAL tension)
2703 /* PolyBezier expects count*3-2 points. */
2704 INT i, len_pt = count*3-2, save_state;
2705 GpPointF *pt;
2706 REAL x1, x2, y1, y2;
2707 GpStatus retval;
2709 TRACE("(%p, %p, %p, %d, %.2f)\n", graphics, pen, points, count, tension);
2711 if(!graphics || !pen)
2712 return InvalidParameter;
2714 if(graphics->busy)
2715 return ObjectBusy;
2717 if(count < 2)
2718 return InvalidParameter;
2720 if (!graphics->hdc)
2722 FIXME("graphics object has no HDC\n");
2723 return Ok;
2726 pt = GdipAlloc(len_pt * sizeof(GpPointF));
2727 if(!pt)
2728 return OutOfMemory;
2730 tension = tension * TENSION_CONST;
2732 calc_curve_bezier_endp(points[0].X, points[0].Y, points[1].X, points[1].Y,
2733 tension, &x1, &y1);
2735 pt[0].X = points[0].X;
2736 pt[0].Y = points[0].Y;
2737 pt[1].X = x1;
2738 pt[1].Y = y1;
2740 for(i = 0; i < count-2; i++){
2741 calc_curve_bezier(&(points[i]), tension, &x1, &y1, &x2, &y2);
2743 pt[3*i+2].X = x1;
2744 pt[3*i+2].Y = y1;
2745 pt[3*i+3].X = points[i+1].X;
2746 pt[3*i+3].Y = points[i+1].Y;
2747 pt[3*i+4].X = x2;
2748 pt[3*i+4].Y = y2;
2751 calc_curve_bezier_endp(points[count-1].X, points[count-1].Y,
2752 points[count-2].X, points[count-2].Y, tension, &x1, &y1);
2754 pt[len_pt-2].X = x1;
2755 pt[len_pt-2].Y = y1;
2756 pt[len_pt-1].X = points[count-1].X;
2757 pt[len_pt-1].Y = points[count-1].Y;
2759 save_state = prepare_dc(graphics, pen);
2761 retval = draw_polybezier(graphics, pen, pt, len_pt, TRUE);
2763 GdipFree(pt);
2764 restore_dc(graphics, save_state);
2766 return retval;
2769 GpStatus WINGDIPAPI GdipDrawCurve2I(GpGraphics *graphics, GpPen *pen,
2770 GDIPCONST GpPoint *points, INT count, REAL tension)
2772 GpPointF *pointsF;
2773 GpStatus ret;
2774 INT i;
2776 TRACE("(%p, %p, %p, %d, %.2f)\n", graphics, pen, points, count, tension);
2778 if(!points)
2779 return InvalidParameter;
2781 pointsF = GdipAlloc(sizeof(GpPointF)*count);
2782 if(!pointsF)
2783 return OutOfMemory;
2785 for(i = 0; i < count; i++){
2786 pointsF[i].X = (REAL)points[i].X;
2787 pointsF[i].Y = (REAL)points[i].Y;
2790 ret = GdipDrawCurve2(graphics,pen,pointsF,count,tension);
2791 GdipFree(pointsF);
2793 return ret;
2796 GpStatus WINGDIPAPI GdipDrawCurve3(GpGraphics *graphics, GpPen *pen,
2797 GDIPCONST GpPointF *points, INT count, INT offset, INT numberOfSegments,
2798 REAL tension)
2800 TRACE("(%p, %p, %p, %d, %d, %d, %.2f)\n", graphics, pen, points, count, offset, numberOfSegments, tension);
2802 if(offset >= count || numberOfSegments > count - offset - 1 || numberOfSegments <= 0){
2803 return InvalidParameter;
2806 return GdipDrawCurve2(graphics, pen, points + offset, numberOfSegments + 1, tension);
2809 GpStatus WINGDIPAPI GdipDrawCurve3I(GpGraphics *graphics, GpPen *pen,
2810 GDIPCONST GpPoint *points, INT count, INT offset, INT numberOfSegments,
2811 REAL tension)
2813 TRACE("(%p, %p, %p, %d, %d, %d, %.2f)\n", graphics, pen, points, count, offset, numberOfSegments, tension);
2815 if(count < 0){
2816 return OutOfMemory;
2819 if(offset >= count || numberOfSegments > count - offset - 1 || numberOfSegments <= 0){
2820 return InvalidParameter;
2823 return GdipDrawCurve2I(graphics, pen, points + offset, numberOfSegments + 1, tension);
2826 GpStatus WINGDIPAPI GdipDrawEllipse(GpGraphics *graphics, GpPen *pen, REAL x,
2827 REAL y, REAL width, REAL height)
2829 INT save_state;
2830 GpPointF ptf[2];
2831 POINT pti[2];
2833 TRACE("(%p, %p, %.2f, %.2f, %.2f, %.2f)\n", graphics, pen, x, y, width, height);
2835 if(!graphics || !pen)
2836 return InvalidParameter;
2838 if(graphics->busy)
2839 return ObjectBusy;
2841 if (!graphics->hdc)
2843 FIXME("graphics object has no HDC\n");
2844 return Ok;
2847 ptf[0].X = x;
2848 ptf[0].Y = y;
2849 ptf[1].X = x + width;
2850 ptf[1].Y = y + height;
2852 save_state = prepare_dc(graphics, pen);
2853 SelectObject(graphics->hdc, GetStockObject(NULL_BRUSH));
2855 transform_and_round_points(graphics, pti, ptf, 2);
2857 Ellipse(graphics->hdc, pti[0].x, pti[0].y, pti[1].x, pti[1].y);
2859 restore_dc(graphics, save_state);
2861 return Ok;
2864 GpStatus WINGDIPAPI GdipDrawEllipseI(GpGraphics *graphics, GpPen *pen, INT x,
2865 INT y, INT width, INT height)
2867 TRACE("(%p, %p, %d, %d, %d, %d)\n", graphics, pen, x, y, width, height);
2869 return GdipDrawEllipse(graphics,pen,(REAL)x,(REAL)y,(REAL)width,(REAL)height);
2873 GpStatus WINGDIPAPI GdipDrawImage(GpGraphics *graphics, GpImage *image, REAL x, REAL y)
2875 UINT width, height;
2876 GpPointF points[3];
2878 TRACE("(%p, %p, %.2f, %.2f)\n", graphics, image, x, y);
2880 if(!graphics || !image)
2881 return InvalidParameter;
2883 GdipGetImageWidth(image, &width);
2884 GdipGetImageHeight(image, &height);
2886 /* FIXME: we should use the graphics and image dpi, somehow */
2888 points[0].X = points[2].X = x;
2889 points[0].Y = points[1].Y = y;
2890 points[1].X = x + width;
2891 points[2].Y = y + height;
2893 return GdipDrawImagePointsRect(graphics, image, points, 3, 0, 0, width, height,
2894 UnitPixel, NULL, NULL, NULL);
2897 GpStatus WINGDIPAPI GdipDrawImageI(GpGraphics *graphics, GpImage *image, INT x,
2898 INT y)
2900 TRACE("(%p, %p, %d, %d)\n", graphics, image, x, y);
2902 return GdipDrawImage(graphics, image, (REAL)x, (REAL)y);
2905 GpStatus WINGDIPAPI GdipDrawImagePointRect(GpGraphics *graphics, GpImage *image,
2906 REAL x, REAL y, REAL srcx, REAL srcy, REAL srcwidth, REAL srcheight,
2907 GpUnit srcUnit)
2909 GpPointF points[3];
2910 TRACE("(%p, %p, %f, %f, %f, %f, %f, %f, %d)\n", graphics, image, x, y, srcx, srcy, srcwidth, srcheight, srcUnit);
2912 points[0].X = points[2].X = x;
2913 points[0].Y = points[1].Y = y;
2915 /* FIXME: convert image coordinates to Graphics coordinates? */
2916 points[1].X = x + srcwidth;
2917 points[2].Y = y + srcheight;
2919 return GdipDrawImagePointsRect(graphics, image, points, 3, srcx, srcy,
2920 srcwidth, srcheight, srcUnit, NULL, NULL, NULL);
2923 GpStatus WINGDIPAPI GdipDrawImagePointRectI(GpGraphics *graphics, GpImage *image,
2924 INT x, INT y, INT srcx, INT srcy, INT srcwidth, INT srcheight,
2925 GpUnit srcUnit)
2927 return GdipDrawImagePointRect(graphics, image, x, y, srcx, srcy, srcwidth, srcheight, srcUnit);
2930 GpStatus WINGDIPAPI GdipDrawImagePoints(GpGraphics *graphics, GpImage *image,
2931 GDIPCONST GpPointF *dstpoints, INT count)
2933 UINT width, height;
2935 TRACE("(%p, %p, %p, %d)\n", graphics, image, dstpoints, count);
2937 if(!image)
2938 return InvalidParameter;
2940 GdipGetImageWidth(image, &width);
2941 GdipGetImageHeight(image, &height);
2943 return GdipDrawImagePointsRect(graphics, image, dstpoints, count, 0, 0,
2944 width, height, UnitPixel, NULL, NULL, NULL);
2947 GpStatus WINGDIPAPI GdipDrawImagePointsI(GpGraphics *graphics, GpImage *image,
2948 GDIPCONST GpPoint *dstpoints, INT count)
2950 GpPointF ptf[3];
2952 TRACE("(%p, %p, %p, %d)\n", graphics, image, dstpoints, count);
2954 if (count != 3 || !dstpoints)
2955 return InvalidParameter;
2957 ptf[0].X = (REAL)dstpoints[0].X;
2958 ptf[0].Y = (REAL)dstpoints[0].Y;
2959 ptf[1].X = (REAL)dstpoints[1].X;
2960 ptf[1].Y = (REAL)dstpoints[1].Y;
2961 ptf[2].X = (REAL)dstpoints[2].X;
2962 ptf[2].Y = (REAL)dstpoints[2].Y;
2964 return GdipDrawImagePoints(graphics, image, ptf, count);
2967 GpStatus WINGDIPAPI GdipDrawImagePointsRect(GpGraphics *graphics, GpImage *image,
2968 GDIPCONST GpPointF *points, INT count, REAL srcx, REAL srcy, REAL srcwidth,
2969 REAL srcheight, GpUnit srcUnit, GDIPCONST GpImageAttributes* imageAttributes,
2970 DrawImageAbort callback, VOID * callbackData)
2972 GpPointF ptf[4];
2973 POINT pti[4];
2974 REAL dx, dy;
2975 GpStatus stat;
2977 TRACE("(%p, %p, %p, %d, %f, %f, %f, %f, %d, %p, %p, %p)\n", graphics, image, points,
2978 count, srcx, srcy, srcwidth, srcheight, srcUnit, imageAttributes, callback,
2979 callbackData);
2981 if (count > 3)
2982 return NotImplemented;
2984 if(!graphics || !image || !points || count != 3)
2985 return InvalidParameter;
2987 TRACE("%s %s %s\n", debugstr_pointf(&points[0]), debugstr_pointf(&points[1]),
2988 debugstr_pointf(&points[2]));
2990 memcpy(ptf, points, 3 * sizeof(GpPointF));
2991 ptf[3].X = ptf[2].X + ptf[1].X - ptf[0].X;
2992 ptf[3].Y = ptf[2].Y + ptf[1].Y - ptf[0].Y;
2993 if (!srcwidth || !srcheight || ptf[3].X == ptf[0].X || ptf[3].Y == ptf[0].Y)
2994 return Ok;
2995 transform_and_round_points(graphics, pti, ptf, 4);
2997 if (image->picture)
2999 if (!graphics->hdc)
3001 FIXME("graphics object has no HDC\n");
3004 /* FIXME: partially implemented (only works for rectangular parallelograms) */
3005 if(srcUnit == UnitInch)
3006 dx = dy = (REAL) INCH_HIMETRIC;
3007 else if(srcUnit == UnitPixel){
3008 dx = ((REAL) INCH_HIMETRIC) /
3009 ((REAL) GetDeviceCaps(graphics->hdc, LOGPIXELSX));
3010 dy = ((REAL) INCH_HIMETRIC) /
3011 ((REAL) GetDeviceCaps(graphics->hdc, LOGPIXELSY));
3013 else
3014 return NotImplemented;
3016 if(IPicture_Render(image->picture, graphics->hdc,
3017 pti[0].x, pti[0].y, pti[1].x - pti[0].x, pti[2].y - pti[0].y,
3018 srcx * dx, srcy * dy,
3019 srcwidth * dx, srcheight * dy,
3020 NULL) != S_OK){
3021 if(callback)
3022 callback(callbackData);
3023 return GenericError;
3026 else if (image->type == ImageTypeBitmap)
3028 GpBitmap* bitmap = (GpBitmap*)image;
3029 int use_software=0;
3031 if (srcUnit == UnitInch)
3032 dx = dy = 96.0; /* FIXME: use the image resolution */
3033 else if (srcUnit == UnitPixel)
3034 dx = dy = 1.0;
3035 else
3036 return NotImplemented;
3038 srcx = srcx * dx;
3039 srcy = srcy * dy;
3040 srcwidth = srcwidth * dx;
3041 srcheight = srcheight * dy;
3043 if (imageAttributes ||
3044 (graphics->image && graphics->image->type == ImageTypeBitmap) ||
3045 !((GpBitmap*)image)->hbitmap ||
3046 ptf[1].Y != ptf[0].Y || ptf[2].X != ptf[0].X ||
3047 ptf[1].X - ptf[0].X != srcwidth || ptf[2].Y - ptf[0].Y != srcheight ||
3048 srcx < 0 || srcy < 0 ||
3049 srcx + srcwidth > bitmap->width || srcy + srcheight > bitmap->height)
3050 use_software = 1;
3052 if (use_software)
3054 RECT dst_area;
3055 GpRect src_area;
3056 int i, x, y, src_stride, dst_stride;
3057 GpMatrix *dst_to_src;
3058 REAL m11, m12, m21, m22, mdx, mdy;
3059 LPBYTE src_data, dst_data;
3060 BitmapData lockeddata;
3061 InterpolationMode interpolation = graphics->interpolation;
3062 GpPointF dst_to_src_points[3] = {{0.0, 0.0}, {1.0, 0.0}, {0.0, 1.0}};
3063 REAL x_dx, x_dy, y_dx, y_dy;
3064 static const GpImageAttributes defaultImageAttributes = {WrapModeClamp, 0, FALSE};
3066 if (!imageAttributes)
3067 imageAttributes = &defaultImageAttributes;
3069 dst_area.left = dst_area.right = pti[0].x;
3070 dst_area.top = dst_area.bottom = pti[0].y;
3071 for (i=1; i<4; i++)
3073 if (dst_area.left > pti[i].x) dst_area.left = pti[i].x;
3074 if (dst_area.right < pti[i].x) dst_area.right = pti[i].x;
3075 if (dst_area.top > pti[i].y) dst_area.top = pti[i].y;
3076 if (dst_area.bottom < pti[i].y) dst_area.bottom = pti[i].y;
3079 m11 = (ptf[1].X - ptf[0].X) / srcwidth;
3080 m21 = (ptf[2].X - ptf[0].X) / srcheight;
3081 mdx = ptf[0].X - m11 * srcx - m21 * srcy;
3082 m12 = (ptf[1].Y - ptf[0].Y) / srcwidth;
3083 m22 = (ptf[2].Y - ptf[0].Y) / srcheight;
3084 mdy = ptf[0].Y - m12 * srcx - m22 * srcy;
3086 stat = GdipCreateMatrix2(m11, m12, m21, m22, mdx, mdy, &dst_to_src);
3087 if (stat != Ok) return stat;
3089 stat = GdipInvertMatrix(dst_to_src);
3090 if (stat != Ok)
3092 GdipDeleteMatrix(dst_to_src);
3093 return stat;
3096 dst_data = GdipAlloc(sizeof(ARGB) * (dst_area.right - dst_area.left) * (dst_area.bottom - dst_area.top));
3097 if (!dst_data)
3099 GdipDeleteMatrix(dst_to_src);
3100 return OutOfMemory;
3103 dst_stride = sizeof(ARGB) * (dst_area.right - dst_area.left);
3105 get_bitmap_sample_size(interpolation, imageAttributes->wrap,
3106 bitmap, srcx, srcy, srcwidth, srcheight, &src_area);
3108 src_data = GdipAlloc(sizeof(ARGB) * src_area.Width * src_area.Height);
3109 if (!src_data)
3111 GdipFree(dst_data);
3112 GdipDeleteMatrix(dst_to_src);
3113 return OutOfMemory;
3115 src_stride = sizeof(ARGB) * src_area.Width;
3117 /* Read the bits we need from the source bitmap into an ARGB buffer. */
3118 lockeddata.Width = src_area.Width;
3119 lockeddata.Height = src_area.Height;
3120 lockeddata.Stride = src_stride;
3121 lockeddata.PixelFormat = PixelFormat32bppARGB;
3122 lockeddata.Scan0 = src_data;
3124 stat = GdipBitmapLockBits(bitmap, &src_area, ImageLockModeRead|ImageLockModeUserInputBuf,
3125 PixelFormat32bppARGB, &lockeddata);
3127 if (stat == Ok)
3128 stat = GdipBitmapUnlockBits(bitmap, &lockeddata);
3130 if (stat != Ok)
3132 if (src_data != dst_data)
3133 GdipFree(src_data);
3134 GdipFree(dst_data);
3135 GdipDeleteMatrix(dst_to_src);
3136 return OutOfMemory;
3139 apply_image_attributes(imageAttributes, src_data,
3140 src_area.Width, src_area.Height,
3141 src_stride, ColorAdjustTypeBitmap);
3143 /* Transform the bits as needed to the destination. */
3144 GdipTransformMatrixPoints(dst_to_src, dst_to_src_points, 3);
3146 x_dx = dst_to_src_points[1].X - dst_to_src_points[0].X;
3147 x_dy = dst_to_src_points[1].Y - dst_to_src_points[0].Y;
3148 y_dx = dst_to_src_points[2].X - dst_to_src_points[0].X;
3149 y_dy = dst_to_src_points[2].Y - dst_to_src_points[0].Y;
3151 for (x=dst_area.left; x<dst_area.right; x++)
3153 for (y=dst_area.top; y<dst_area.bottom; y++)
3155 GpPointF src_pointf;
3156 ARGB *dst_color;
3158 src_pointf.X = dst_to_src_points[0].X + x * x_dx + y * y_dx;
3159 src_pointf.Y = dst_to_src_points[0].Y + x * x_dy + y * y_dy;
3161 dst_color = (ARGB*)(dst_data + dst_stride * (y - dst_area.top) + sizeof(ARGB) * (x - dst_area.left));
3163 if (src_pointf.X >= srcx && src_pointf.X < srcx + srcwidth && src_pointf.Y >= srcy && src_pointf.Y < srcy+srcheight)
3164 *dst_color = resample_bitmap_pixel(&src_area, src_data, bitmap->width, bitmap->height, &src_pointf, imageAttributes, interpolation);
3165 else
3166 *dst_color = 0;
3170 GdipDeleteMatrix(dst_to_src);
3172 GdipFree(src_data);
3174 stat = alpha_blend_pixels(graphics, dst_area.left, dst_area.top,
3175 dst_data, dst_area.right - dst_area.left, dst_area.bottom - dst_area.top, dst_stride);
3177 GdipFree(dst_data);
3179 return stat;
3181 else
3183 HDC hdc;
3184 int temp_hdc=0, temp_bitmap=0;
3185 HBITMAP hbitmap, old_hbm=NULL;
3187 if (!(bitmap->format == PixelFormat16bppRGB555 ||
3188 bitmap->format == PixelFormat24bppRGB ||
3189 bitmap->format == PixelFormat32bppRGB ||
3190 bitmap->format == PixelFormat32bppPARGB))
3192 BITMAPINFOHEADER bih;
3193 BYTE *temp_bits;
3194 PixelFormat dst_format;
3196 /* we can't draw a bitmap of this format directly */
3197 hdc = CreateCompatibleDC(0);
3198 temp_hdc = 1;
3199 temp_bitmap = 1;
3201 bih.biSize = sizeof(BITMAPINFOHEADER);
3202 bih.biWidth = bitmap->width;
3203 bih.biHeight = -bitmap->height;
3204 bih.biPlanes = 1;
3205 bih.biBitCount = 32;
3206 bih.biCompression = BI_RGB;
3207 bih.biSizeImage = 0;
3208 bih.biXPelsPerMeter = 0;
3209 bih.biYPelsPerMeter = 0;
3210 bih.biClrUsed = 0;
3211 bih.biClrImportant = 0;
3213 hbitmap = CreateDIBSection(hdc, (BITMAPINFO*)&bih, DIB_RGB_COLORS,
3214 (void**)&temp_bits, NULL, 0);
3216 if (bitmap->format & (PixelFormatAlpha|PixelFormatPAlpha))
3217 dst_format = PixelFormat32bppPARGB;
3218 else
3219 dst_format = PixelFormat32bppRGB;
3221 convert_pixels(bitmap->width, bitmap->height,
3222 bitmap->width*4, temp_bits, dst_format,
3223 bitmap->stride, bitmap->bits, bitmap->format, bitmap->image.palette_entries);
3225 else
3227 hbitmap = bitmap->hbitmap;
3228 hdc = bitmap->hdc;
3229 temp_hdc = (hdc == 0);
3232 if (temp_hdc)
3234 if (!hdc) hdc = CreateCompatibleDC(0);
3235 old_hbm = SelectObject(hdc, hbitmap);
3238 if (bitmap->format & (PixelFormatAlpha|PixelFormatPAlpha))
3240 BLENDFUNCTION bf;
3242 bf.BlendOp = AC_SRC_OVER;
3243 bf.BlendFlags = 0;
3244 bf.SourceConstantAlpha = 255;
3245 bf.AlphaFormat = AC_SRC_ALPHA;
3247 GdiAlphaBlend(graphics->hdc, pti[0].x, pti[0].y, pti[1].x-pti[0].x, pti[2].y-pti[0].y,
3248 hdc, srcx, srcy, srcwidth, srcheight, bf);
3250 else
3252 StretchBlt(graphics->hdc, pti[0].x, pti[0].y, pti[1].x-pti[0].x, pti[2].y-pti[0].y,
3253 hdc, srcx, srcy, srcwidth, srcheight, SRCCOPY);
3256 if (temp_hdc)
3258 SelectObject(hdc, old_hbm);
3259 DeleteDC(hdc);
3262 if (temp_bitmap)
3263 DeleteObject(hbitmap);
3266 else
3268 ERR("GpImage with no IPicture or HBITMAP?!\n");
3269 return NotImplemented;
3272 return Ok;
3275 GpStatus WINGDIPAPI GdipDrawImagePointsRectI(GpGraphics *graphics, GpImage *image,
3276 GDIPCONST GpPoint *points, INT count, INT srcx, INT srcy, INT srcwidth,
3277 INT srcheight, GpUnit srcUnit, GDIPCONST GpImageAttributes* imageAttributes,
3278 DrawImageAbort callback, VOID * callbackData)
3280 GpPointF pointsF[3];
3281 INT i;
3283 TRACE("(%p, %p, %p, %d, %d, %d, %d, %d, %d, %p, %p, %p)\n", graphics, image, points, count,
3284 srcx, srcy, srcwidth, srcheight, srcUnit, imageAttributes, callback,
3285 callbackData);
3287 if(!points || count!=3)
3288 return InvalidParameter;
3290 for(i = 0; i < count; i++){
3291 pointsF[i].X = (REAL)points[i].X;
3292 pointsF[i].Y = (REAL)points[i].Y;
3295 return GdipDrawImagePointsRect(graphics, image, pointsF, count, (REAL)srcx, (REAL)srcy,
3296 (REAL)srcwidth, (REAL)srcheight, srcUnit, imageAttributes,
3297 callback, callbackData);
3300 GpStatus WINGDIPAPI GdipDrawImageRectRect(GpGraphics *graphics, GpImage *image,
3301 REAL dstx, REAL dsty, REAL dstwidth, REAL dstheight, REAL srcx, REAL srcy,
3302 REAL srcwidth, REAL srcheight, GpUnit srcUnit,
3303 GDIPCONST GpImageAttributes* imageattr, DrawImageAbort callback,
3304 VOID * callbackData)
3306 GpPointF points[3];
3308 TRACE("(%p, %p, %.2f, %.2f, %.2f, %.2f, %.2f, %.2f, %.2f, %.2f, %d, %p, %p, %p)\n",
3309 graphics, image, dstx, dsty, dstwidth, dstheight, srcx, srcy,
3310 srcwidth, srcheight, srcUnit, imageattr, callback, callbackData);
3312 points[0].X = dstx;
3313 points[0].Y = dsty;
3314 points[1].X = dstx + dstwidth;
3315 points[1].Y = dsty;
3316 points[2].X = dstx;
3317 points[2].Y = dsty + dstheight;
3319 return GdipDrawImagePointsRect(graphics, image, points, 3, srcx, srcy,
3320 srcwidth, srcheight, srcUnit, imageattr, callback, callbackData);
3323 GpStatus WINGDIPAPI GdipDrawImageRectRectI(GpGraphics *graphics, GpImage *image,
3324 INT dstx, INT dsty, INT dstwidth, INT dstheight, INT srcx, INT srcy,
3325 INT srcwidth, INT srcheight, GpUnit srcUnit,
3326 GDIPCONST GpImageAttributes* imageAttributes, DrawImageAbort callback,
3327 VOID * callbackData)
3329 GpPointF points[3];
3331 TRACE("(%p, %p, %d, %d, %d, %d, %d, %d, %d, %d, %d, %p, %p, %p)\n",
3332 graphics, image, dstx, dsty, dstwidth, dstheight, srcx, srcy,
3333 srcwidth, srcheight, srcUnit, imageAttributes, callback, callbackData);
3335 points[0].X = dstx;
3336 points[0].Y = dsty;
3337 points[1].X = dstx + dstwidth;
3338 points[1].Y = dsty;
3339 points[2].X = dstx;
3340 points[2].Y = dsty + dstheight;
3342 return GdipDrawImagePointsRect(graphics, image, points, 3, srcx, srcy,
3343 srcwidth, srcheight, srcUnit, imageAttributes, callback, callbackData);
3346 GpStatus WINGDIPAPI GdipDrawImageRect(GpGraphics *graphics, GpImage *image,
3347 REAL x, REAL y, REAL width, REAL height)
3349 RectF bounds;
3350 GpUnit unit;
3351 GpStatus ret;
3353 TRACE("(%p, %p, %.2f, %.2f, %.2f, %.2f)\n", graphics, image, x, y, width, height);
3355 if(!graphics || !image)
3356 return InvalidParameter;
3358 ret = GdipGetImageBounds(image, &bounds, &unit);
3359 if(ret != Ok)
3360 return ret;
3362 return GdipDrawImageRectRect(graphics, image, x, y, width, height,
3363 bounds.X, bounds.Y, bounds.Width, bounds.Height,
3364 unit, NULL, NULL, NULL);
3367 GpStatus WINGDIPAPI GdipDrawImageRectI(GpGraphics *graphics, GpImage *image,
3368 INT x, INT y, INT width, INT height)
3370 TRACE("(%p, %p, %d, %d, %d, %d)\n", graphics, image, x, y, width, height);
3372 return GdipDrawImageRect(graphics, image, (REAL)x, (REAL)y, (REAL)width, (REAL)height);
3375 GpStatus WINGDIPAPI GdipDrawLine(GpGraphics *graphics, GpPen *pen, REAL x1,
3376 REAL y1, REAL x2, REAL y2)
3378 INT save_state;
3379 GpPointF pt[2];
3380 GpStatus retval;
3382 TRACE("(%p, %p, %.2f, %.2f, %.2f, %.2f)\n", graphics, pen, x1, y1, x2, y2);
3384 if(!pen || !graphics)
3385 return InvalidParameter;
3387 if(graphics->busy)
3388 return ObjectBusy;
3390 if (!graphics->hdc)
3392 FIXME("graphics object has no HDC\n");
3393 return Ok;
3396 pt[0].X = x1;
3397 pt[0].Y = y1;
3398 pt[1].X = x2;
3399 pt[1].Y = y2;
3401 save_state = prepare_dc(graphics, pen);
3403 retval = draw_polyline(graphics, pen, pt, 2, TRUE);
3405 restore_dc(graphics, save_state);
3407 return retval;
3410 GpStatus WINGDIPAPI GdipDrawLineI(GpGraphics *graphics, GpPen *pen, INT x1,
3411 INT y1, INT x2, INT y2)
3413 INT save_state;
3414 GpPointF pt[2];
3415 GpStatus retval;
3417 TRACE("(%p, %p, %d, %d, %d, %d)\n", graphics, pen, x1, y1, x2, y2);
3419 if(!pen || !graphics)
3420 return InvalidParameter;
3422 if(graphics->busy)
3423 return ObjectBusy;
3425 if (!graphics->hdc)
3427 FIXME("graphics object has no HDC\n");
3428 return Ok;
3431 pt[0].X = (REAL)x1;
3432 pt[0].Y = (REAL)y1;
3433 pt[1].X = (REAL)x2;
3434 pt[1].Y = (REAL)y2;
3436 save_state = prepare_dc(graphics, pen);
3438 retval = draw_polyline(graphics, pen, pt, 2, TRUE);
3440 restore_dc(graphics, save_state);
3442 return retval;
3445 GpStatus WINGDIPAPI GdipDrawLines(GpGraphics *graphics, GpPen *pen, GDIPCONST
3446 GpPointF *points, INT count)
3448 INT save_state;
3449 GpStatus retval;
3451 TRACE("(%p, %p, %p, %d)\n", graphics, pen, points, count);
3453 if(!pen || !graphics || (count < 2))
3454 return InvalidParameter;
3456 if(graphics->busy)
3457 return ObjectBusy;
3459 if (!graphics->hdc)
3461 FIXME("graphics object has no HDC\n");
3462 return Ok;
3465 save_state = prepare_dc(graphics, pen);
3467 retval = draw_polyline(graphics, pen, points, count, TRUE);
3469 restore_dc(graphics, save_state);
3471 return retval;
3474 GpStatus WINGDIPAPI GdipDrawLinesI(GpGraphics *graphics, GpPen *pen, GDIPCONST
3475 GpPoint *points, INT count)
3477 INT save_state;
3478 GpStatus retval;
3479 GpPointF *ptf = NULL;
3480 int i;
3482 TRACE("(%p, %p, %p, %d)\n", graphics, pen, points, count);
3484 if(!pen || !graphics || (count < 2))
3485 return InvalidParameter;
3487 if(graphics->busy)
3488 return ObjectBusy;
3490 if (!graphics->hdc)
3492 FIXME("graphics object has no HDC\n");
3493 return Ok;
3496 ptf = GdipAlloc(count * sizeof(GpPointF));
3497 if(!ptf) return OutOfMemory;
3499 for(i = 0; i < count; i ++){
3500 ptf[i].X = (REAL) points[i].X;
3501 ptf[i].Y = (REAL) points[i].Y;
3504 save_state = prepare_dc(graphics, pen);
3506 retval = draw_polyline(graphics, pen, ptf, count, TRUE);
3508 restore_dc(graphics, save_state);
3510 GdipFree(ptf);
3511 return retval;
3514 GpStatus WINGDIPAPI GdipDrawPath(GpGraphics *graphics, GpPen *pen, GpPath *path)
3516 INT save_state;
3517 GpStatus retval;
3519 TRACE("(%p, %p, %p)\n", graphics, pen, path);
3521 if(!pen || !graphics)
3522 return InvalidParameter;
3524 if(graphics->busy)
3525 return ObjectBusy;
3527 if (!graphics->hdc)
3529 FIXME("graphics object has no HDC\n");
3530 return Ok;
3533 save_state = prepare_dc(graphics, pen);
3535 retval = draw_poly(graphics, pen, path->pathdata.Points,
3536 path->pathdata.Types, path->pathdata.Count, TRUE);
3538 restore_dc(graphics, save_state);
3540 return retval;
3543 GpStatus WINGDIPAPI GdipDrawPie(GpGraphics *graphics, GpPen *pen, REAL x,
3544 REAL y, REAL width, REAL height, REAL startAngle, REAL sweepAngle)
3546 INT save_state;
3548 TRACE("(%p, %p, %.2f, %.2f, %.2f, %.2f, %.2f, %.2f)\n", graphics, pen, x, y,
3549 width, height, startAngle, sweepAngle);
3551 if(!graphics || !pen)
3552 return InvalidParameter;
3554 if(graphics->busy)
3555 return ObjectBusy;
3557 if (!graphics->hdc)
3559 FIXME("graphics object has no HDC\n");
3560 return Ok;
3563 save_state = prepare_dc(graphics, pen);
3564 SelectObject(graphics->hdc, GetStockObject(NULL_BRUSH));
3566 draw_pie(graphics, x, y, width, height, startAngle, sweepAngle);
3568 restore_dc(graphics, save_state);
3570 return Ok;
3573 GpStatus WINGDIPAPI GdipDrawPieI(GpGraphics *graphics, GpPen *pen, INT x,
3574 INT y, INT width, INT height, REAL startAngle, REAL sweepAngle)
3576 TRACE("(%p, %p, %d, %d, %d, %d, %.2f, %.2f)\n", graphics, pen, x, y,
3577 width, height, startAngle, sweepAngle);
3579 return GdipDrawPie(graphics,pen,(REAL)x,(REAL)y,(REAL)width,(REAL)height,startAngle,sweepAngle);
3582 GpStatus WINGDIPAPI GdipDrawRectangle(GpGraphics *graphics, GpPen *pen, REAL x,
3583 REAL y, REAL width, REAL height)
3585 INT save_state;
3586 GpPointF ptf[4];
3587 POINT pti[4];
3589 TRACE("(%p, %p, %.2f, %.2f, %.2f, %.2f)\n", graphics, pen, x, y, width, height);
3591 if(!pen || !graphics)
3592 return InvalidParameter;
3594 if(graphics->busy)
3595 return ObjectBusy;
3597 if (!graphics->hdc)
3599 FIXME("graphics object has no HDC\n");
3600 return Ok;
3603 ptf[0].X = x;
3604 ptf[0].Y = y;
3605 ptf[1].X = x + width;
3606 ptf[1].Y = y;
3607 ptf[2].X = x + width;
3608 ptf[2].Y = y + height;
3609 ptf[3].X = x;
3610 ptf[3].Y = y + height;
3612 save_state = prepare_dc(graphics, pen);
3613 SelectObject(graphics->hdc, GetStockObject(NULL_BRUSH));
3615 transform_and_round_points(graphics, pti, ptf, 4);
3616 Polygon(graphics->hdc, pti, 4);
3618 restore_dc(graphics, save_state);
3620 return Ok;
3623 GpStatus WINGDIPAPI GdipDrawRectangleI(GpGraphics *graphics, GpPen *pen, INT x,
3624 INT y, INT width, INT height)
3626 TRACE("(%p, %p, %d, %d, %d, %d)\n", graphics, pen, x, y, width, height);
3628 return GdipDrawRectangle(graphics,pen,(REAL)x,(REAL)y,(REAL)width,(REAL)height);
3631 GpStatus WINGDIPAPI GdipDrawRectangles(GpGraphics *graphics, GpPen *pen,
3632 GDIPCONST GpRectF* rects, INT count)
3634 GpPointF *ptf;
3635 POINT *pti;
3636 INT save_state, i;
3638 TRACE("(%p, %p, %p, %d)\n", graphics, pen, rects, count);
3640 if(!graphics || !pen || !rects || count < 1)
3641 return InvalidParameter;
3643 if(graphics->busy)
3644 return ObjectBusy;
3646 if (!graphics->hdc)
3648 FIXME("graphics object has no HDC\n");
3649 return Ok;
3652 ptf = GdipAlloc(4 * count * sizeof(GpPointF));
3653 pti = GdipAlloc(4 * count * sizeof(POINT));
3655 if(!ptf || !pti){
3656 GdipFree(ptf);
3657 GdipFree(pti);
3658 return OutOfMemory;
3661 for(i = 0; i < count; i++){
3662 ptf[4 * i + 3].X = ptf[4 * i].X = rects[i].X;
3663 ptf[4 * i + 1].Y = ptf[4 * i].Y = rects[i].Y;
3664 ptf[4 * i + 2].X = ptf[4 * i + 1].X = rects[i].X + rects[i].Width;
3665 ptf[4 * i + 3].Y = ptf[4 * i + 2].Y = rects[i].Y + rects[i].Height;
3668 save_state = prepare_dc(graphics, pen);
3669 SelectObject(graphics->hdc, GetStockObject(NULL_BRUSH));
3671 transform_and_round_points(graphics, pti, ptf, 4 * count);
3673 for(i = 0; i < count; i++)
3674 Polygon(graphics->hdc, &pti[4 * i], 4);
3676 restore_dc(graphics, save_state);
3678 GdipFree(ptf);
3679 GdipFree(pti);
3681 return Ok;
3684 GpStatus WINGDIPAPI GdipDrawRectanglesI(GpGraphics *graphics, GpPen *pen,
3685 GDIPCONST GpRect* rects, INT count)
3687 GpRectF *rectsF;
3688 GpStatus ret;
3689 INT i;
3691 TRACE("(%p, %p, %p, %d)\n", graphics, pen, rects, count);
3693 if(!rects || count<=0)
3694 return InvalidParameter;
3696 rectsF = GdipAlloc(sizeof(GpRectF) * count);
3697 if(!rectsF)
3698 return OutOfMemory;
3700 for(i = 0;i < count;i++){
3701 rectsF[i].X = (REAL)rects[i].X;
3702 rectsF[i].Y = (REAL)rects[i].Y;
3703 rectsF[i].Width = (REAL)rects[i].Width;
3704 rectsF[i].Height = (REAL)rects[i].Height;
3707 ret = GdipDrawRectangles(graphics, pen, rectsF, count);
3708 GdipFree(rectsF);
3710 return ret;
3713 GpStatus WINGDIPAPI GdipFillClosedCurve2(GpGraphics *graphics, GpBrush *brush,
3714 GDIPCONST GpPointF *points, INT count, REAL tension, GpFillMode fill)
3716 GpPath *path;
3717 GpStatus stat;
3719 TRACE("(%p, %p, %p, %d, %.2f, %d)\n", graphics, brush, points,
3720 count, tension, fill);
3722 if(!graphics || !brush || !points)
3723 return InvalidParameter;
3725 if(graphics->busy)
3726 return ObjectBusy;
3728 if(count == 1) /* Do nothing */
3729 return Ok;
3731 stat = GdipCreatePath(fill, &path);
3732 if(stat != Ok)
3733 return stat;
3735 stat = GdipAddPathClosedCurve2(path, points, count, tension);
3736 if(stat != Ok){
3737 GdipDeletePath(path);
3738 return stat;
3741 stat = GdipFillPath(graphics, brush, path);
3742 if(stat != Ok){
3743 GdipDeletePath(path);
3744 return stat;
3747 GdipDeletePath(path);
3749 return Ok;
3752 GpStatus WINGDIPAPI GdipFillClosedCurve2I(GpGraphics *graphics, GpBrush *brush,
3753 GDIPCONST GpPoint *points, INT count, REAL tension, GpFillMode fill)
3755 GpPointF *ptf;
3756 GpStatus stat;
3757 INT i;
3759 TRACE("(%p, %p, %p, %d, %.2f, %d)\n", graphics, brush, points,
3760 count, tension, fill);
3762 if(!points || count == 0)
3763 return InvalidParameter;
3765 if(count == 1) /* Do nothing */
3766 return Ok;
3768 ptf = GdipAlloc(sizeof(GpPointF)*count);
3769 if(!ptf)
3770 return OutOfMemory;
3772 for(i = 0;i < count;i++){
3773 ptf[i].X = (REAL)points[i].X;
3774 ptf[i].Y = (REAL)points[i].Y;
3777 stat = GdipFillClosedCurve2(graphics, brush, ptf, count, tension, fill);
3779 GdipFree(ptf);
3781 return stat;
3784 GpStatus WINGDIPAPI GdipFillClosedCurve(GpGraphics *graphics, GpBrush *brush,
3785 GDIPCONST GpPointF *points, INT count)
3787 TRACE("(%p, %p, %p, %d)\n", graphics, brush, points, count);
3788 return GdipFillClosedCurve2(graphics, brush, points, count,
3789 0.5f, FillModeAlternate);
3792 GpStatus WINGDIPAPI GdipFillClosedCurveI(GpGraphics *graphics, GpBrush *brush,
3793 GDIPCONST GpPoint *points, INT count)
3795 TRACE("(%p, %p, %p, %d)\n", graphics, brush, points, count);
3796 return GdipFillClosedCurve2I(graphics, brush, points, count,
3797 0.5f, FillModeAlternate);
3800 GpStatus WINGDIPAPI GdipFillEllipse(GpGraphics *graphics, GpBrush *brush, REAL x,
3801 REAL y, REAL width, REAL height)
3803 GpStatus stat;
3804 GpPath *path;
3806 TRACE("(%p, %p, %.2f, %.2f, %.2f, %.2f)\n", graphics, brush, x, y, width, height);
3808 if(!graphics || !brush)
3809 return InvalidParameter;
3811 if(graphics->busy)
3812 return ObjectBusy;
3814 stat = GdipCreatePath(FillModeAlternate, &path);
3816 if (stat == Ok)
3818 stat = GdipAddPathEllipse(path, x, y, width, height);
3820 if (stat == Ok)
3821 stat = GdipFillPath(graphics, brush, path);
3823 GdipDeletePath(path);
3826 return stat;
3829 GpStatus WINGDIPAPI GdipFillEllipseI(GpGraphics *graphics, GpBrush *brush, INT x,
3830 INT y, INT width, INT height)
3832 TRACE("(%p, %p, %d, %d, %d, %d)\n", graphics, brush, x, y, width, height);
3834 return GdipFillEllipse(graphics,brush,(REAL)x,(REAL)y,(REAL)width,(REAL)height);
3837 static GpStatus GDI32_GdipFillPath(GpGraphics *graphics, GpBrush *brush, GpPath *path)
3839 INT save_state;
3840 GpStatus retval;
3842 if(!graphics->hdc || !brush_can_fill_path(brush))
3843 return NotImplemented;
3845 save_state = SaveDC(graphics->hdc);
3846 EndPath(graphics->hdc);
3847 SetPolyFillMode(graphics->hdc, (path->fill == FillModeAlternate ? ALTERNATE
3848 : WINDING));
3850 BeginPath(graphics->hdc);
3851 retval = draw_poly(graphics, NULL, path->pathdata.Points,
3852 path->pathdata.Types, path->pathdata.Count, FALSE);
3854 if(retval != Ok)
3855 goto end;
3857 EndPath(graphics->hdc);
3858 brush_fill_path(graphics, brush);
3860 retval = Ok;
3862 end:
3863 RestoreDC(graphics->hdc, save_state);
3865 return retval;
3868 static GpStatus SOFTWARE_GdipFillPath(GpGraphics *graphics, GpBrush *brush, GpPath *path)
3870 GpStatus stat;
3871 GpRegion *rgn;
3873 if (!brush_can_fill_pixels(brush))
3874 return NotImplemented;
3876 /* FIXME: This could probably be done more efficiently without regions. */
3878 stat = GdipCreateRegionPath(path, &rgn);
3880 if (stat == Ok)
3882 stat = GdipFillRegion(graphics, brush, rgn);
3884 GdipDeleteRegion(rgn);
3887 return stat;
3890 GpStatus WINGDIPAPI GdipFillPath(GpGraphics *graphics, GpBrush *brush, GpPath *path)
3892 GpStatus stat = NotImplemented;
3894 TRACE("(%p, %p, %p)\n", graphics, brush, path);
3896 if(!brush || !graphics || !path)
3897 return InvalidParameter;
3899 if(graphics->busy)
3900 return ObjectBusy;
3902 if (!graphics->image)
3903 stat = GDI32_GdipFillPath(graphics, brush, path);
3905 if (stat == NotImplemented)
3906 stat = SOFTWARE_GdipFillPath(graphics, brush, path);
3908 if (stat == NotImplemented)
3910 FIXME("Not implemented for brushtype %i\n", brush->bt);
3911 stat = Ok;
3914 return stat;
3917 GpStatus WINGDIPAPI GdipFillPie(GpGraphics *graphics, GpBrush *brush, REAL x,
3918 REAL y, REAL width, REAL height, REAL startAngle, REAL sweepAngle)
3920 GpStatus stat;
3921 GpPath *path;
3923 TRACE("(%p, %p, %.2f, %.2f, %.2f, %.2f, %.2f, %.2f)\n",
3924 graphics, brush, x, y, width, height, startAngle, sweepAngle);
3926 if(!graphics || !brush)
3927 return InvalidParameter;
3929 if(graphics->busy)
3930 return ObjectBusy;
3932 stat = GdipCreatePath(FillModeAlternate, &path);
3934 if (stat == Ok)
3936 stat = GdipAddPathPie(path, x, y, width, height, startAngle, sweepAngle);
3938 if (stat == Ok)
3939 stat = GdipFillPath(graphics, brush, path);
3941 GdipDeletePath(path);
3944 return stat;
3947 GpStatus WINGDIPAPI GdipFillPieI(GpGraphics *graphics, GpBrush *brush, INT x,
3948 INT y, INT width, INT height, REAL startAngle, REAL sweepAngle)
3950 TRACE("(%p, %p, %d, %d, %d, %d, %.2f, %.2f)\n",
3951 graphics, brush, x, y, width, height, startAngle, sweepAngle);
3953 return GdipFillPie(graphics,brush,(REAL)x,(REAL)y,(REAL)width,(REAL)height,startAngle,sweepAngle);
3956 GpStatus WINGDIPAPI GdipFillPolygon(GpGraphics *graphics, GpBrush *brush,
3957 GDIPCONST GpPointF *points, INT count, GpFillMode fillMode)
3959 GpStatus stat;
3960 GpPath *path;
3962 TRACE("(%p, %p, %p, %d, %d)\n", graphics, brush, points, count, fillMode);
3964 if(!graphics || !brush || !points || !count)
3965 return InvalidParameter;
3967 if(graphics->busy)
3968 return ObjectBusy;
3970 stat = GdipCreatePath(fillMode, &path);
3972 if (stat == Ok)
3974 stat = GdipAddPathPolygon(path, points, count);
3976 if (stat == Ok)
3977 stat = GdipFillPath(graphics, brush, path);
3979 GdipDeletePath(path);
3982 return stat;
3985 GpStatus WINGDIPAPI GdipFillPolygonI(GpGraphics *graphics, GpBrush *brush,
3986 GDIPCONST GpPoint *points, INT count, GpFillMode fillMode)
3988 GpStatus stat;
3989 GpPath *path;
3991 TRACE("(%p, %p, %p, %d, %d)\n", graphics, brush, points, count, fillMode);
3993 if(!graphics || !brush || !points || !count)
3994 return InvalidParameter;
3996 if(graphics->busy)
3997 return ObjectBusy;
3999 stat = GdipCreatePath(fillMode, &path);
4001 if (stat == Ok)
4003 stat = GdipAddPathPolygonI(path, points, count);
4005 if (stat == Ok)
4006 stat = GdipFillPath(graphics, brush, path);
4008 GdipDeletePath(path);
4011 return stat;
4014 GpStatus WINGDIPAPI GdipFillPolygon2(GpGraphics *graphics, GpBrush *brush,
4015 GDIPCONST GpPointF *points, INT count)
4017 TRACE("(%p, %p, %p, %d)\n", graphics, brush, points, count);
4019 return GdipFillPolygon(graphics, brush, points, count, FillModeAlternate);
4022 GpStatus WINGDIPAPI GdipFillPolygon2I(GpGraphics *graphics, GpBrush *brush,
4023 GDIPCONST GpPoint *points, INT count)
4025 TRACE("(%p, %p, %p, %d)\n", graphics, brush, points, count);
4027 return GdipFillPolygonI(graphics, brush, points, count, FillModeAlternate);
4030 GpStatus WINGDIPAPI GdipFillRectangle(GpGraphics *graphics, GpBrush *brush,
4031 REAL x, REAL y, REAL width, REAL height)
4033 GpStatus stat;
4034 GpPath *path;
4036 TRACE("(%p, %p, %.2f, %.2f, %.2f, %.2f)\n", graphics, brush, x, y, width, height);
4038 if(!graphics || !brush)
4039 return InvalidParameter;
4041 if(graphics->busy)
4042 return ObjectBusy;
4044 stat = GdipCreatePath(FillModeAlternate, &path);
4046 if (stat == Ok)
4048 stat = GdipAddPathRectangle(path, x, y, width, height);
4050 if (stat == Ok)
4051 stat = GdipFillPath(graphics, brush, path);
4053 GdipDeletePath(path);
4056 return stat;
4059 GpStatus WINGDIPAPI GdipFillRectangleI(GpGraphics *graphics, GpBrush *brush,
4060 INT x, INT y, INT width, INT height)
4062 TRACE("(%p, %p, %d, %d, %d, %d)\n", graphics, brush, x, y, width, height);
4064 return GdipFillRectangle(graphics, brush, x, y, width, height);
4067 GpStatus WINGDIPAPI GdipFillRectangles(GpGraphics *graphics, GpBrush *brush, GDIPCONST GpRectF *rects,
4068 INT count)
4070 GpStatus ret;
4071 INT i;
4073 TRACE("(%p, %p, %p, %d)\n", graphics, brush, rects, count);
4075 if(!rects)
4076 return InvalidParameter;
4078 for(i = 0; i < count; i++){
4079 ret = GdipFillRectangle(graphics, brush, rects[i].X, rects[i].Y, rects[i].Width, rects[i].Height);
4080 if(ret != Ok) return ret;
4083 return Ok;
4086 GpStatus WINGDIPAPI GdipFillRectanglesI(GpGraphics *graphics, GpBrush *brush, GDIPCONST GpRect *rects,
4087 INT count)
4089 GpRectF *rectsF;
4090 GpStatus ret;
4091 INT i;
4093 TRACE("(%p, %p, %p, %d)\n", graphics, brush, rects, count);
4095 if(!rects || count <= 0)
4096 return InvalidParameter;
4098 rectsF = GdipAlloc(sizeof(GpRectF)*count);
4099 if(!rectsF)
4100 return OutOfMemory;
4102 for(i = 0; i < count; i++){
4103 rectsF[i].X = (REAL)rects[i].X;
4104 rectsF[i].Y = (REAL)rects[i].Y;
4105 rectsF[i].X = (REAL)rects[i].Width;
4106 rectsF[i].Height = (REAL)rects[i].Height;
4109 ret = GdipFillRectangles(graphics,brush,rectsF,count);
4110 GdipFree(rectsF);
4112 return ret;
4115 static GpStatus GDI32_GdipFillRegion(GpGraphics* graphics, GpBrush* brush,
4116 GpRegion* region)
4118 INT save_state;
4119 GpStatus status;
4120 HRGN hrgn;
4121 RECT rc;
4123 if(!graphics->hdc || !brush_can_fill_path(brush))
4124 return NotImplemented;
4126 status = GdipGetRegionHRgn(region, graphics, &hrgn);
4127 if(status != Ok)
4128 return status;
4130 save_state = SaveDC(graphics->hdc);
4131 EndPath(graphics->hdc);
4133 ExtSelectClipRgn(graphics->hdc, hrgn, RGN_AND);
4135 if (GetClipBox(graphics->hdc, &rc) != NULLREGION)
4137 BeginPath(graphics->hdc);
4138 Rectangle(graphics->hdc, rc.left, rc.top, rc.right, rc.bottom);
4139 EndPath(graphics->hdc);
4141 brush_fill_path(graphics, brush);
4144 RestoreDC(graphics->hdc, save_state);
4146 DeleteObject(hrgn);
4148 return Ok;
4151 static GpStatus SOFTWARE_GdipFillRegion(GpGraphics *graphics, GpBrush *brush,
4152 GpRegion* region)
4154 GpStatus stat;
4155 GpRegion *temp_region;
4156 GpMatrix *world_to_device;
4157 GpRectF graphics_bounds;
4158 DWORD *pixel_data;
4159 HRGN hregion;
4160 RECT bound_rect;
4161 GpRect gp_bound_rect;
4163 if (!brush_can_fill_pixels(brush))
4164 return NotImplemented;
4166 stat = get_graphics_bounds(graphics, &graphics_bounds);
4168 if (stat == Ok)
4169 stat = GdipCloneRegion(region, &temp_region);
4171 if (stat == Ok)
4173 stat = get_graphics_transform(graphics, CoordinateSpaceDevice,
4174 CoordinateSpaceWorld, &world_to_device);
4176 if (stat == Ok)
4178 stat = GdipTransformRegion(temp_region, world_to_device);
4180 GdipDeleteMatrix(world_to_device);
4183 if (stat == Ok)
4184 stat = GdipCombineRegionRect(temp_region, &graphics_bounds, CombineModeIntersect);
4186 if (stat == Ok)
4187 stat = GdipGetRegionHRgn(temp_region, NULL, &hregion);
4189 GdipDeleteRegion(temp_region);
4192 if (stat == Ok && GetRgnBox(hregion, &bound_rect) == NULLREGION)
4194 DeleteObject(hregion);
4195 return Ok;
4198 if (stat == Ok)
4200 gp_bound_rect.X = bound_rect.left;
4201 gp_bound_rect.Y = bound_rect.top;
4202 gp_bound_rect.Width = bound_rect.right - bound_rect.left;
4203 gp_bound_rect.Height = bound_rect.bottom - bound_rect.top;
4205 pixel_data = GdipAlloc(sizeof(*pixel_data) * gp_bound_rect.Width * gp_bound_rect.Height);
4206 if (!pixel_data)
4207 stat = OutOfMemory;
4209 if (stat == Ok)
4211 stat = brush_fill_pixels(graphics, brush, pixel_data,
4212 &gp_bound_rect, gp_bound_rect.Width);
4214 if (stat == Ok)
4215 stat = alpha_blend_pixels_hrgn(graphics, gp_bound_rect.X,
4216 gp_bound_rect.Y, (BYTE*)pixel_data, gp_bound_rect.Width,
4217 gp_bound_rect.Height, gp_bound_rect.Width * 4, hregion);
4219 GdipFree(pixel_data);
4222 DeleteObject(hregion);
4225 return stat;
4228 /*****************************************************************************
4229 * GdipFillRegion [GDIPLUS.@]
4231 GpStatus WINGDIPAPI GdipFillRegion(GpGraphics* graphics, GpBrush* brush,
4232 GpRegion* region)
4234 GpStatus stat = NotImplemented;
4236 TRACE("(%p, %p, %p)\n", graphics, brush, region);
4238 if (!(graphics && brush && region))
4239 return InvalidParameter;
4241 if(graphics->busy)
4242 return ObjectBusy;
4244 if (!graphics->image)
4245 stat = GDI32_GdipFillRegion(graphics, brush, region);
4247 if (stat == NotImplemented)
4248 stat = SOFTWARE_GdipFillRegion(graphics, brush, region);
4250 if (stat == NotImplemented)
4252 FIXME("not implemented for brushtype %i\n", brush->bt);
4253 stat = Ok;
4256 return stat;
4259 GpStatus WINGDIPAPI GdipFlush(GpGraphics *graphics, GpFlushIntention intention)
4261 TRACE("(%p,%u)\n", graphics, intention);
4263 if(!graphics)
4264 return InvalidParameter;
4266 if(graphics->busy)
4267 return ObjectBusy;
4269 /* We have no internal operation queue, so there's no need to clear it. */
4271 if (graphics->hdc)
4272 GdiFlush();
4274 return Ok;
4277 /*****************************************************************************
4278 * GdipGetClipBounds [GDIPLUS.@]
4280 GpStatus WINGDIPAPI GdipGetClipBounds(GpGraphics *graphics, GpRectF *rect)
4282 TRACE("(%p, %p)\n", graphics, rect);
4284 if(!graphics)
4285 return InvalidParameter;
4287 if(graphics->busy)
4288 return ObjectBusy;
4290 return GdipGetRegionBounds(graphics->clip, graphics, rect);
4293 /*****************************************************************************
4294 * GdipGetClipBoundsI [GDIPLUS.@]
4296 GpStatus WINGDIPAPI GdipGetClipBoundsI(GpGraphics *graphics, GpRect *rect)
4298 TRACE("(%p, %p)\n", graphics, rect);
4300 if(!graphics)
4301 return InvalidParameter;
4303 if(graphics->busy)
4304 return ObjectBusy;
4306 return GdipGetRegionBoundsI(graphics->clip, graphics, rect);
4309 /* FIXME: Compositing mode is not used anywhere except the getter/setter. */
4310 GpStatus WINGDIPAPI GdipGetCompositingMode(GpGraphics *graphics,
4311 CompositingMode *mode)
4313 TRACE("(%p, %p)\n", graphics, mode);
4315 if(!graphics || !mode)
4316 return InvalidParameter;
4318 if(graphics->busy)
4319 return ObjectBusy;
4321 *mode = graphics->compmode;
4323 return Ok;
4326 /* FIXME: Compositing quality is not used anywhere except the getter/setter. */
4327 GpStatus WINGDIPAPI GdipGetCompositingQuality(GpGraphics *graphics,
4328 CompositingQuality *quality)
4330 TRACE("(%p, %p)\n", graphics, quality);
4332 if(!graphics || !quality)
4333 return InvalidParameter;
4335 if(graphics->busy)
4336 return ObjectBusy;
4338 *quality = graphics->compqual;
4340 return Ok;
4343 /* FIXME: Interpolation mode is not used anywhere except the getter/setter. */
4344 GpStatus WINGDIPAPI GdipGetInterpolationMode(GpGraphics *graphics,
4345 InterpolationMode *mode)
4347 TRACE("(%p, %p)\n", graphics, mode);
4349 if(!graphics || !mode)
4350 return InvalidParameter;
4352 if(graphics->busy)
4353 return ObjectBusy;
4355 *mode = graphics->interpolation;
4357 return Ok;
4360 /* FIXME: Need to handle color depths less than 24bpp */
4361 GpStatus WINGDIPAPI GdipGetNearestColor(GpGraphics *graphics, ARGB* argb)
4363 FIXME("(%p, %p): Passing color unmodified\n", graphics, argb);
4365 if(!graphics || !argb)
4366 return InvalidParameter;
4368 if(graphics->busy)
4369 return ObjectBusy;
4371 return Ok;
4374 GpStatus WINGDIPAPI GdipGetPageScale(GpGraphics *graphics, REAL *scale)
4376 TRACE("(%p, %p)\n", graphics, scale);
4378 if(!graphics || !scale)
4379 return InvalidParameter;
4381 if(graphics->busy)
4382 return ObjectBusy;
4384 *scale = graphics->scale;
4386 return Ok;
4389 GpStatus WINGDIPAPI GdipGetPageUnit(GpGraphics *graphics, GpUnit *unit)
4391 TRACE("(%p, %p)\n", graphics, unit);
4393 if(!graphics || !unit)
4394 return InvalidParameter;
4396 if(graphics->busy)
4397 return ObjectBusy;
4399 *unit = graphics->unit;
4401 return Ok;
4404 /* FIXME: Pixel offset mode is not used anywhere except the getter/setter. */
4405 GpStatus WINGDIPAPI GdipGetPixelOffsetMode(GpGraphics *graphics, PixelOffsetMode
4406 *mode)
4408 TRACE("(%p, %p)\n", graphics, mode);
4410 if(!graphics || !mode)
4411 return InvalidParameter;
4413 if(graphics->busy)
4414 return ObjectBusy;
4416 *mode = graphics->pixeloffset;
4418 return Ok;
4421 /* FIXME: Smoothing mode is not used anywhere except the getter/setter. */
4422 GpStatus WINGDIPAPI GdipGetSmoothingMode(GpGraphics *graphics, SmoothingMode *mode)
4424 TRACE("(%p, %p)\n", graphics, mode);
4426 if(!graphics || !mode)
4427 return InvalidParameter;
4429 if(graphics->busy)
4430 return ObjectBusy;
4432 *mode = graphics->smoothing;
4434 return Ok;
4437 GpStatus WINGDIPAPI GdipGetTextContrast(GpGraphics *graphics, UINT *contrast)
4439 TRACE("(%p, %p)\n", graphics, contrast);
4441 if(!graphics || !contrast)
4442 return InvalidParameter;
4444 *contrast = graphics->textcontrast;
4446 return Ok;
4449 /* FIXME: Text rendering hint is not used anywhere except the getter/setter. */
4450 GpStatus WINGDIPAPI GdipGetTextRenderingHint(GpGraphics *graphics,
4451 TextRenderingHint *hint)
4453 TRACE("(%p, %p)\n", graphics, hint);
4455 if(!graphics || !hint)
4456 return InvalidParameter;
4458 if(graphics->busy)
4459 return ObjectBusy;
4461 *hint = graphics->texthint;
4463 return Ok;
4466 GpStatus WINGDIPAPI GdipGetVisibleClipBounds(GpGraphics *graphics, GpRectF *rect)
4468 GpRegion *clip_rgn;
4469 GpStatus stat;
4471 TRACE("(%p, %p)\n", graphics, rect);
4473 if(!graphics || !rect)
4474 return InvalidParameter;
4476 if(graphics->busy)
4477 return ObjectBusy;
4479 /* intersect window and graphics clipping regions */
4480 if((stat = GdipCreateRegion(&clip_rgn)) != Ok)
4481 return stat;
4483 if((stat = get_visible_clip_region(graphics, clip_rgn)) != Ok)
4484 goto cleanup;
4486 /* get bounds of the region */
4487 stat = GdipGetRegionBounds(clip_rgn, graphics, rect);
4489 cleanup:
4490 GdipDeleteRegion(clip_rgn);
4492 return stat;
4495 GpStatus WINGDIPAPI GdipGetVisibleClipBoundsI(GpGraphics *graphics, GpRect *rect)
4497 GpRectF rectf;
4498 GpStatus stat;
4500 TRACE("(%p, %p)\n", graphics, rect);
4502 if(!graphics || !rect)
4503 return InvalidParameter;
4505 if((stat = GdipGetVisibleClipBounds(graphics, &rectf)) == Ok)
4507 rect->X = roundr(rectf.X);
4508 rect->Y = roundr(rectf.Y);
4509 rect->Width = roundr(rectf.Width);
4510 rect->Height = roundr(rectf.Height);
4513 return stat;
4516 GpStatus WINGDIPAPI GdipGetWorldTransform(GpGraphics *graphics, GpMatrix *matrix)
4518 TRACE("(%p, %p)\n", graphics, matrix);
4520 if(!graphics || !matrix)
4521 return InvalidParameter;
4523 if(graphics->busy)
4524 return ObjectBusy;
4526 *matrix = *graphics->worldtrans;
4527 return Ok;
4530 GpStatus WINGDIPAPI GdipGraphicsClear(GpGraphics *graphics, ARGB color)
4532 GpSolidFill *brush;
4533 GpStatus stat;
4534 GpRectF wnd_rect;
4536 TRACE("(%p, %x)\n", graphics, color);
4538 if(!graphics)
4539 return InvalidParameter;
4541 if(graphics->busy)
4542 return ObjectBusy;
4544 if((stat = GdipCreateSolidFill(color, &brush)) != Ok)
4545 return stat;
4547 if((stat = get_graphics_bounds(graphics, &wnd_rect)) != Ok){
4548 GdipDeleteBrush((GpBrush*)brush);
4549 return stat;
4552 GdipFillRectangle(graphics, (GpBrush*)brush, wnd_rect.X, wnd_rect.Y,
4553 wnd_rect.Width, wnd_rect.Height);
4555 GdipDeleteBrush((GpBrush*)brush);
4557 return Ok;
4560 GpStatus WINGDIPAPI GdipIsClipEmpty(GpGraphics *graphics, BOOL *res)
4562 TRACE("(%p, %p)\n", graphics, res);
4564 if(!graphics || !res)
4565 return InvalidParameter;
4567 return GdipIsEmptyRegion(graphics->clip, graphics, res);
4570 GpStatus WINGDIPAPI GdipIsVisiblePoint(GpGraphics *graphics, REAL x, REAL y, BOOL *result)
4572 GpStatus stat;
4573 GpRegion* rgn;
4574 GpPointF pt;
4576 TRACE("(%p, %.2f, %.2f, %p)\n", graphics, x, y, result);
4578 if(!graphics || !result)
4579 return InvalidParameter;
4581 if(graphics->busy)
4582 return ObjectBusy;
4584 pt.X = x;
4585 pt.Y = y;
4586 if((stat = GdipTransformPoints(graphics, CoordinateSpaceDevice,
4587 CoordinateSpaceWorld, &pt, 1)) != Ok)
4588 return stat;
4590 if((stat = GdipCreateRegion(&rgn)) != Ok)
4591 return stat;
4593 if((stat = get_visible_clip_region(graphics, rgn)) != Ok)
4594 goto cleanup;
4596 stat = GdipIsVisibleRegionPoint(rgn, pt.X, pt.Y, graphics, result);
4598 cleanup:
4599 GdipDeleteRegion(rgn);
4600 return stat;
4603 GpStatus WINGDIPAPI GdipIsVisiblePointI(GpGraphics *graphics, INT x, INT y, BOOL *result)
4605 return GdipIsVisiblePoint(graphics, (REAL)x, (REAL)y, result);
4608 GpStatus WINGDIPAPI GdipIsVisibleRect(GpGraphics *graphics, REAL x, REAL y, REAL width, REAL height, BOOL *result)
4610 GpStatus stat;
4611 GpRegion* rgn;
4612 GpPointF pts[2];
4614 TRACE("(%p %.2f %.2f %.2f %.2f %p)\n", graphics, x, y, width, height, result);
4616 if(!graphics || !result)
4617 return InvalidParameter;
4619 if(graphics->busy)
4620 return ObjectBusy;
4622 pts[0].X = x;
4623 pts[0].Y = y;
4624 pts[1].X = x + width;
4625 pts[1].Y = y + height;
4627 if((stat = GdipTransformPoints(graphics, CoordinateSpaceDevice,
4628 CoordinateSpaceWorld, pts, 2)) != Ok)
4629 return stat;
4631 pts[1].X -= pts[0].X;
4632 pts[1].Y -= pts[0].Y;
4634 if((stat = GdipCreateRegion(&rgn)) != Ok)
4635 return stat;
4637 if((stat = get_visible_clip_region(graphics, rgn)) != Ok)
4638 goto cleanup;
4640 stat = GdipIsVisibleRegionRect(rgn, pts[0].X, pts[0].Y, pts[1].X, pts[1].Y, graphics, result);
4642 cleanup:
4643 GdipDeleteRegion(rgn);
4644 return stat;
4647 GpStatus WINGDIPAPI GdipIsVisibleRectI(GpGraphics *graphics, INT x, INT y, INT width, INT height, BOOL *result)
4649 return GdipIsVisibleRect(graphics, (REAL)x, (REAL)y, (REAL)width, (REAL)height, result);
4652 GpStatus gdip_format_string(HDC hdc,
4653 GDIPCONST WCHAR *string, INT length, GDIPCONST GpFont *font,
4654 GDIPCONST RectF *rect, GDIPCONST GpStringFormat *format,
4655 gdip_format_string_callback callback, void *user_data)
4657 WCHAR* stringdup;
4658 int sum = 0, height = 0, fit, fitcpy, i, j, lret, nwidth,
4659 nheight, lineend, lineno = 0;
4660 RectF bounds;
4661 StringAlignment halign;
4662 GpStatus stat = Ok;
4663 SIZE size;
4665 if(length == -1) length = lstrlenW(string);
4667 stringdup = GdipAlloc((length + 1) * sizeof(WCHAR));
4668 if(!stringdup) return OutOfMemory;
4670 nwidth = roundr(rect->Width);
4671 nheight = roundr(rect->Height);
4673 if (rect->Width >= INT_MAX || rect->Width < 0.5) nwidth = INT_MAX;
4674 if (rect->Height >= INT_MAX || rect->Height < 0.5) nheight = INT_MAX;
4676 for(i = 0, j = 0; i < length; i++){
4677 /* FIXME: This makes the indexes passed to callback inaccurate. */
4678 if(!isprintW(string[i]) && (string[i] != '\n'))
4679 continue;
4681 stringdup[j] = string[i];
4682 j++;
4685 length = j;
4687 if (format) halign = format->align;
4688 else halign = StringAlignmentNear;
4690 while(sum < length){
4691 GetTextExtentExPointW(hdc, stringdup + sum, length - sum,
4692 nwidth, &fit, NULL, &size);
4693 fitcpy = fit;
4695 if(fit == 0)
4696 break;
4698 for(lret = 0; lret < fit; lret++)
4699 if(*(stringdup + sum + lret) == '\n')
4700 break;
4702 /* Line break code (may look strange, but it imitates windows). */
4703 if(lret < fit)
4704 lineend = fit = lret; /* this is not an off-by-one error */
4705 else if(fit < (length - sum)){
4706 if(*(stringdup + sum + fit) == ' ')
4707 while(*(stringdup + sum + fit) == ' ')
4708 fit++;
4709 else
4710 while(*(stringdup + sum + fit - 1) != ' '){
4711 fit--;
4713 if(*(stringdup + sum + fit) == '\t')
4714 break;
4716 if(fit == 0){
4717 fit = fitcpy;
4718 break;
4721 lineend = fit;
4722 while(*(stringdup + sum + lineend - 1) == ' ' ||
4723 *(stringdup + sum + lineend - 1) == '\t')
4724 lineend--;
4726 else
4727 lineend = fit;
4729 GetTextExtentExPointW(hdc, stringdup + sum, lineend,
4730 nwidth, &j, NULL, &size);
4732 bounds.Width = size.cx;
4734 if(height + size.cy > nheight)
4735 bounds.Height = nheight - (height + size.cy);
4736 else
4737 bounds.Height = size.cy;
4739 bounds.Y = rect->Y + height;
4741 switch (halign)
4743 case StringAlignmentNear:
4744 default:
4745 bounds.X = rect->X;
4746 break;
4747 case StringAlignmentCenter:
4748 bounds.X = rect->X + (rect->Width/2) - (bounds.Width/2);
4749 break;
4750 case StringAlignmentFar:
4751 bounds.X = rect->X + rect->Width - bounds.Width;
4752 break;
4755 stat = callback(hdc, stringdup, sum, lineend,
4756 font, rect, format, lineno, &bounds, user_data);
4758 if (stat != Ok)
4759 break;
4761 sum += fit + (lret < fitcpy ? 1 : 0);
4762 height += size.cy;
4763 lineno++;
4765 if(height > nheight)
4766 break;
4768 /* Stop if this was a linewrap (but not if it was a linebreak). */
4769 if((lret == fitcpy) && format && (format->attr & StringFormatFlagsNoWrap))
4770 break;
4773 GdipFree(stringdup);
4775 return stat;
4778 struct measure_ranges_args {
4779 GpRegion **regions;
4782 static GpStatus measure_ranges_callback(HDC hdc,
4783 GDIPCONST WCHAR *string, INT index, INT length, GDIPCONST GpFont *font,
4784 GDIPCONST RectF *rect, GDIPCONST GpStringFormat *format,
4785 INT lineno, const RectF *bounds, void *user_data)
4787 int i;
4788 GpStatus stat = Ok;
4789 struct measure_ranges_args *args = user_data;
4791 for (i=0; i<format->range_count; i++)
4793 INT range_start = max(index, format->character_ranges[i].First);
4794 INT range_end = min(index+length, format->character_ranges[i].First+format->character_ranges[i].Length);
4795 if (range_start < range_end)
4797 GpRectF range_rect;
4798 SIZE range_size;
4800 range_rect.Y = bounds->Y;
4801 range_rect.Height = bounds->Height;
4803 GetTextExtentExPointW(hdc, string + index, range_start - index,
4804 INT_MAX, NULL, NULL, &range_size);
4805 range_rect.X = bounds->X + range_size.cx;
4807 GetTextExtentExPointW(hdc, string + index, range_end - index,
4808 INT_MAX, NULL, NULL, &range_size);
4809 range_rect.Width = (bounds->X + range_size.cx) - range_rect.X;
4811 stat = GdipCombineRegionRect(args->regions[i], &range_rect, CombineModeUnion);
4812 if (stat != Ok)
4813 break;
4817 return stat;
4820 GpStatus WINGDIPAPI GdipMeasureCharacterRanges(GpGraphics* graphics,
4821 GDIPCONST WCHAR* string, INT length, GDIPCONST GpFont* font,
4822 GDIPCONST RectF* layoutRect, GDIPCONST GpStringFormat *stringFormat,
4823 INT regionCount, GpRegion** regions)
4825 GpStatus stat;
4826 int i;
4827 HFONT oldfont;
4828 struct measure_ranges_args args;
4829 HDC hdc, temp_hdc=NULL;
4831 TRACE("(%p %s %d %p %s %p %d %p)\n", graphics, debugstr_w(string),
4832 length, font, debugstr_rectf(layoutRect), stringFormat, regionCount, regions);
4834 if (!(graphics && string && font && layoutRect && stringFormat && regions))
4835 return InvalidParameter;
4837 if (regionCount < stringFormat->range_count)
4838 return InvalidParameter;
4840 if(!graphics->hdc)
4842 hdc = temp_hdc = CreateCompatibleDC(0);
4843 if (!temp_hdc) return OutOfMemory;
4845 else
4846 hdc = graphics->hdc;
4848 if (stringFormat->attr)
4849 TRACE("may be ignoring some format flags: attr %x\n", stringFormat->attr);
4851 oldfont = SelectObject(hdc, CreateFontIndirectW(&font->lfw));
4853 for (i=0; i<stringFormat->range_count; i++)
4855 stat = GdipSetEmpty(regions[i]);
4856 if (stat != Ok)
4857 return stat;
4860 args.regions = regions;
4862 stat = gdip_format_string(hdc, string, length, font, layoutRect, stringFormat,
4863 measure_ranges_callback, &args);
4865 DeleteObject(SelectObject(hdc, oldfont));
4867 if (temp_hdc)
4868 DeleteDC(temp_hdc);
4870 return stat;
4873 struct measure_string_args {
4874 RectF *bounds;
4875 INT *codepointsfitted;
4876 INT *linesfilled;
4879 static GpStatus measure_string_callback(HDC hdc,
4880 GDIPCONST WCHAR *string, INT index, INT length, GDIPCONST GpFont *font,
4881 GDIPCONST RectF *rect, GDIPCONST GpStringFormat *format,
4882 INT lineno, const RectF *bounds, void *user_data)
4884 struct measure_string_args *args = user_data;
4886 if (bounds->Width > args->bounds->Width)
4887 args->bounds->Width = bounds->Width;
4889 if (bounds->Height + bounds->Y > args->bounds->Height + args->bounds->Y)
4890 args->bounds->Height = bounds->Height + bounds->Y - args->bounds->Y;
4892 if (args->codepointsfitted)
4893 *args->codepointsfitted = index + length;
4895 if (args->linesfilled)
4896 (*args->linesfilled)++;
4898 return Ok;
4901 /* Find the smallest rectangle that bounds the text when it is printed in rect
4902 * according to the format options listed in format. If rect has 0 width and
4903 * height, then just find the smallest rectangle that bounds the text when it's
4904 * printed at location (rect->X, rect-Y). */
4905 GpStatus WINGDIPAPI GdipMeasureString(GpGraphics *graphics,
4906 GDIPCONST WCHAR *string, INT length, GDIPCONST GpFont *font,
4907 GDIPCONST RectF *rect, GDIPCONST GpStringFormat *format, RectF *bounds,
4908 INT *codepointsfitted, INT *linesfilled)
4910 HFONT oldfont;
4911 struct measure_string_args args;
4912 HDC temp_hdc=NULL, hdc;
4914 TRACE("(%p, %s, %i, %p, %s, %p, %p, %p, %p)\n", graphics,
4915 debugstr_wn(string, length), length, font, debugstr_rectf(rect), format,
4916 bounds, codepointsfitted, linesfilled);
4918 if(!graphics || !string || !font || !rect || !bounds)
4919 return InvalidParameter;
4921 if(!graphics->hdc)
4923 hdc = temp_hdc = CreateCompatibleDC(0);
4924 if (!temp_hdc) return OutOfMemory;
4926 else
4927 hdc = graphics->hdc;
4929 if(linesfilled) *linesfilled = 0;
4930 if(codepointsfitted) *codepointsfitted = 0;
4932 if(format)
4933 TRACE("may be ignoring some format flags: attr %x\n", format->attr);
4935 oldfont = SelectObject(hdc, CreateFontIndirectW(&font->lfw));
4937 bounds->X = rect->X;
4938 bounds->Y = rect->Y;
4939 bounds->Width = 0.0;
4940 bounds->Height = 0.0;
4942 args.bounds = bounds;
4943 args.codepointsfitted = codepointsfitted;
4944 args.linesfilled = linesfilled;
4946 gdip_format_string(hdc, string, length, font, rect, format,
4947 measure_string_callback, &args);
4949 DeleteObject(SelectObject(hdc, oldfont));
4951 if (temp_hdc)
4952 DeleteDC(temp_hdc);
4954 return Ok;
4957 struct draw_string_args {
4958 GpGraphics *graphics;
4959 GDIPCONST GpBrush *brush;
4960 REAL x, y, rel_width, rel_height, ascent;
4963 static GpStatus draw_string_callback(HDC hdc,
4964 GDIPCONST WCHAR *string, INT index, INT length, GDIPCONST GpFont *font,
4965 GDIPCONST RectF *rect, GDIPCONST GpStringFormat *format,
4966 INT lineno, const RectF *bounds, void *user_data)
4968 struct draw_string_args *args = user_data;
4969 PointF position;
4971 position.X = args->x + bounds->X / args->rel_width;
4972 position.Y = args->y + bounds->Y / args->rel_height + args->ascent;
4974 return GdipDrawDriverString(args->graphics, &string[index], length, font,
4975 args->brush, &position,
4976 DriverStringOptionsCmapLookup|DriverStringOptionsRealizedAdvance, NULL);
4979 GpStatus WINGDIPAPI GdipDrawString(GpGraphics *graphics, GDIPCONST WCHAR *string,
4980 INT length, GDIPCONST GpFont *font, GDIPCONST RectF *rect,
4981 GDIPCONST GpStringFormat *format, GDIPCONST GpBrush *brush)
4983 HRGN rgn = NULL;
4984 HFONT gdifont;
4985 GpPointF pt[3], rectcpy[4];
4986 POINT corners[4];
4987 REAL rel_width, rel_height;
4988 INT save_state;
4989 REAL offsety = 0.0;
4990 struct draw_string_args args;
4991 RectF scaled_rect;
4992 HDC hdc, temp_hdc=NULL;
4993 TEXTMETRICW textmetric;
4995 TRACE("(%p, %s, %i, %p, %s, %p, %p)\n", graphics, debugstr_wn(string, length),
4996 length, font, debugstr_rectf(rect), format, brush);
4998 if(!graphics || !string || !font || !brush || !rect)
4999 return InvalidParameter;
5001 if(graphics->hdc)
5003 hdc = graphics->hdc;
5005 else
5007 hdc = temp_hdc = CreateCompatibleDC(0);
5010 if(format){
5011 TRACE("may be ignoring some format flags: attr %x\n", format->attr);
5013 /* Should be no need to explicitly test for StringAlignmentNear as
5014 * that is default behavior if no alignment is passed. */
5015 if(format->vertalign != StringAlignmentNear){
5016 RectF bounds;
5017 GdipMeasureString(graphics, string, length, font, rect, format, &bounds, 0, 0);
5019 if(format->vertalign == StringAlignmentCenter)
5020 offsety = (rect->Height - bounds.Height) / 2;
5021 else if(format->vertalign == StringAlignmentFar)
5022 offsety = (rect->Height - bounds.Height);
5026 save_state = SaveDC(hdc);
5028 pt[0].X = 0.0;
5029 pt[0].Y = 0.0;
5030 pt[1].X = 1.0;
5031 pt[1].Y = 0.0;
5032 pt[2].X = 0.0;
5033 pt[2].Y = 1.0;
5034 GdipTransformPoints(graphics, CoordinateSpaceDevice, CoordinateSpaceWorld, pt, 3);
5035 rel_width = sqrt((pt[1].Y-pt[0].Y)*(pt[1].Y-pt[0].Y)+
5036 (pt[1].X-pt[0].X)*(pt[1].X-pt[0].X));
5037 rel_height = sqrt((pt[2].Y-pt[0].Y)*(pt[2].Y-pt[0].Y)+
5038 (pt[2].X-pt[0].X)*(pt[2].X-pt[0].X));
5040 rectcpy[3].X = rectcpy[0].X = rect->X;
5041 rectcpy[1].Y = rectcpy[0].Y = rect->Y + offsety;
5042 rectcpy[2].X = rectcpy[1].X = rect->X + rect->Width;
5043 rectcpy[3].Y = rectcpy[2].Y = rect->Y + offsety + rect->Height;
5044 transform_and_round_points(graphics, corners, rectcpy, 4);
5046 scaled_rect.X = 0.0;
5047 scaled_rect.Y = 0.0;
5048 scaled_rect.Width = rel_width * rect->Width;
5049 scaled_rect.Height = rel_height * rect->Height;
5051 if (roundr(scaled_rect.Width) != 0 && roundr(scaled_rect.Height) != 0)
5053 /* FIXME: If only the width or only the height is 0, we should probably still clip */
5054 rgn = CreatePolygonRgn(corners, 4, ALTERNATE);
5055 SelectClipRgn(hdc, rgn);
5058 get_font_hfont(graphics, font, &gdifont);
5059 SelectObject(hdc, gdifont);
5061 args.graphics = graphics;
5062 args.brush = brush;
5064 args.x = rect->X;
5065 args.y = rect->Y + offsety;
5067 args.rel_width = rel_width;
5068 args.rel_height = rel_height;
5070 GetTextMetricsW(hdc, &textmetric);
5071 args.ascent = textmetric.tmAscent / rel_height;
5073 gdip_format_string(hdc, string, length, font, &scaled_rect, format,
5074 draw_string_callback, &args);
5076 DeleteObject(rgn);
5077 DeleteObject(gdifont);
5079 RestoreDC(hdc, save_state);
5081 DeleteDC(temp_hdc);
5083 return Ok;
5086 GpStatus WINGDIPAPI GdipResetClip(GpGraphics *graphics)
5088 TRACE("(%p)\n", graphics);
5090 if(!graphics)
5091 return InvalidParameter;
5093 if(graphics->busy)
5094 return ObjectBusy;
5096 return GdipSetInfinite(graphics->clip);
5099 GpStatus WINGDIPAPI GdipResetWorldTransform(GpGraphics *graphics)
5101 TRACE("(%p)\n", graphics);
5103 if(!graphics)
5104 return InvalidParameter;
5106 if(graphics->busy)
5107 return ObjectBusy;
5109 graphics->worldtrans->matrix[0] = 1.0;
5110 graphics->worldtrans->matrix[1] = 0.0;
5111 graphics->worldtrans->matrix[2] = 0.0;
5112 graphics->worldtrans->matrix[3] = 1.0;
5113 graphics->worldtrans->matrix[4] = 0.0;
5114 graphics->worldtrans->matrix[5] = 0.0;
5116 return Ok;
5119 GpStatus WINGDIPAPI GdipRestoreGraphics(GpGraphics *graphics, GraphicsState state)
5121 return GdipEndContainer(graphics, state);
5124 GpStatus WINGDIPAPI GdipRotateWorldTransform(GpGraphics *graphics, REAL angle,
5125 GpMatrixOrder order)
5127 TRACE("(%p, %.2f, %d)\n", graphics, angle, order);
5129 if(!graphics)
5130 return InvalidParameter;
5132 if(graphics->busy)
5133 return ObjectBusy;
5135 return GdipRotateMatrix(graphics->worldtrans, angle, order);
5138 GpStatus WINGDIPAPI GdipSaveGraphics(GpGraphics *graphics, GraphicsState *state)
5140 return GdipBeginContainer2(graphics, state);
5143 GpStatus WINGDIPAPI GdipBeginContainer2(GpGraphics *graphics,
5144 GraphicsContainer *state)
5146 GraphicsContainerItem *container;
5147 GpStatus sts;
5149 TRACE("(%p, %p)\n", graphics, state);
5151 if(!graphics || !state)
5152 return InvalidParameter;
5154 sts = init_container(&container, graphics);
5155 if(sts != Ok)
5156 return sts;
5158 list_add_head(&graphics->containers, &container->entry);
5159 *state = graphics->contid = container->contid;
5161 return Ok;
5164 GpStatus WINGDIPAPI GdipBeginContainer(GpGraphics *graphics, GDIPCONST GpRectF *dstrect, GDIPCONST GpRectF *srcrect, GpUnit unit, GraphicsContainer *state)
5166 FIXME("(%p, %p, %p, %d, %p): stub\n", graphics, dstrect, srcrect, unit, state);
5167 return NotImplemented;
5170 GpStatus WINGDIPAPI GdipBeginContainerI(GpGraphics *graphics, GDIPCONST GpRect *dstrect, GDIPCONST GpRect *srcrect, GpUnit unit, GraphicsContainer *state)
5172 FIXME("(%p, %p, %p, %d, %p): stub\n", graphics, dstrect, srcrect, unit, state);
5173 return NotImplemented;
5176 GpStatus WINGDIPAPI GdipComment(GpGraphics *graphics, UINT sizeData, GDIPCONST BYTE *data)
5178 FIXME("(%p, %d, %p): stub\n", graphics, sizeData, data);
5179 return NotImplemented;
5182 GpStatus WINGDIPAPI GdipEndContainer(GpGraphics *graphics, GraphicsContainer state)
5184 GpStatus sts;
5185 GraphicsContainerItem *container, *container2;
5187 TRACE("(%p, %x)\n", graphics, state);
5189 if(!graphics)
5190 return InvalidParameter;
5192 LIST_FOR_EACH_ENTRY(container, &graphics->containers, GraphicsContainerItem, entry){
5193 if(container->contid == state)
5194 break;
5197 /* did not find a matching container */
5198 if(&container->entry == &graphics->containers)
5199 return Ok;
5201 sts = restore_container(graphics, container);
5202 if(sts != Ok)
5203 return sts;
5205 /* remove all of the containers on top of the found container */
5206 LIST_FOR_EACH_ENTRY_SAFE(container, container2, &graphics->containers, GraphicsContainerItem, entry){
5207 if(container->contid == state)
5208 break;
5209 list_remove(&container->entry);
5210 delete_container(container);
5213 list_remove(&container->entry);
5214 delete_container(container);
5216 return Ok;
5219 GpStatus WINGDIPAPI GdipScaleWorldTransform(GpGraphics *graphics, REAL sx,
5220 REAL sy, GpMatrixOrder order)
5222 TRACE("(%p, %.2f, %.2f, %d)\n", graphics, sx, sy, order);
5224 if(!graphics)
5225 return InvalidParameter;
5227 if(graphics->busy)
5228 return ObjectBusy;
5230 return GdipScaleMatrix(graphics->worldtrans, sx, sy, order);
5233 GpStatus WINGDIPAPI GdipSetClipGraphics(GpGraphics *graphics, GpGraphics *srcgraphics,
5234 CombineMode mode)
5236 TRACE("(%p, %p, %d)\n", graphics, srcgraphics, mode);
5238 if(!graphics || !srcgraphics)
5239 return InvalidParameter;
5241 return GdipCombineRegionRegion(graphics->clip, srcgraphics->clip, mode);
5244 GpStatus WINGDIPAPI GdipSetCompositingMode(GpGraphics *graphics,
5245 CompositingMode mode)
5247 TRACE("(%p, %d)\n", graphics, mode);
5249 if(!graphics)
5250 return InvalidParameter;
5252 if(graphics->busy)
5253 return ObjectBusy;
5255 graphics->compmode = mode;
5257 return Ok;
5260 GpStatus WINGDIPAPI GdipSetCompositingQuality(GpGraphics *graphics,
5261 CompositingQuality quality)
5263 TRACE("(%p, %d)\n", graphics, quality);
5265 if(!graphics)
5266 return InvalidParameter;
5268 if(graphics->busy)
5269 return ObjectBusy;
5271 graphics->compqual = quality;
5273 return Ok;
5276 GpStatus WINGDIPAPI GdipSetInterpolationMode(GpGraphics *graphics,
5277 InterpolationMode mode)
5279 TRACE("(%p, %d)\n", graphics, mode);
5281 if(!graphics || mode == InterpolationModeInvalid || mode > InterpolationModeHighQualityBicubic)
5282 return InvalidParameter;
5284 if(graphics->busy)
5285 return ObjectBusy;
5287 if (mode == InterpolationModeDefault || mode == InterpolationModeLowQuality)
5288 mode = InterpolationModeBilinear;
5290 if (mode == InterpolationModeHighQuality)
5291 mode = InterpolationModeHighQualityBicubic;
5293 graphics->interpolation = mode;
5295 return Ok;
5298 GpStatus WINGDIPAPI GdipSetPageScale(GpGraphics *graphics, REAL scale)
5300 TRACE("(%p, %.2f)\n", graphics, scale);
5302 if(!graphics || (scale <= 0.0))
5303 return InvalidParameter;
5305 if(graphics->busy)
5306 return ObjectBusy;
5308 graphics->scale = scale;
5310 return Ok;
5313 GpStatus WINGDIPAPI GdipSetPageUnit(GpGraphics *graphics, GpUnit unit)
5315 TRACE("(%p, %d)\n", graphics, unit);
5317 if(!graphics)
5318 return InvalidParameter;
5320 if(graphics->busy)
5321 return ObjectBusy;
5323 if(unit == UnitWorld)
5324 return InvalidParameter;
5326 graphics->unit = unit;
5328 return Ok;
5331 GpStatus WINGDIPAPI GdipSetPixelOffsetMode(GpGraphics *graphics, PixelOffsetMode
5332 mode)
5334 TRACE("(%p, %d)\n", graphics, mode);
5336 if(!graphics)
5337 return InvalidParameter;
5339 if(graphics->busy)
5340 return ObjectBusy;
5342 graphics->pixeloffset = mode;
5344 return Ok;
5347 GpStatus WINGDIPAPI GdipSetRenderingOrigin(GpGraphics *graphics, INT x, INT y)
5349 static int calls;
5351 TRACE("(%p,%i,%i)\n", graphics, x, y);
5353 if (!(calls++))
5354 FIXME("not implemented\n");
5356 return NotImplemented;
5359 GpStatus WINGDIPAPI GdipGetRenderingOrigin(GpGraphics *graphics, INT *x, INT *y)
5361 static int calls;
5363 TRACE("(%p,%p,%p)\n", graphics, x, y);
5365 if (!(calls++))
5366 FIXME("not implemented\n");
5368 *x = *y = 0;
5370 return NotImplemented;
5373 GpStatus WINGDIPAPI GdipSetSmoothingMode(GpGraphics *graphics, SmoothingMode mode)
5375 TRACE("(%p, %d)\n", graphics, mode);
5377 if(!graphics)
5378 return InvalidParameter;
5380 if(graphics->busy)
5381 return ObjectBusy;
5383 graphics->smoothing = mode;
5385 return Ok;
5388 GpStatus WINGDIPAPI GdipSetTextContrast(GpGraphics *graphics, UINT contrast)
5390 TRACE("(%p, %d)\n", graphics, contrast);
5392 if(!graphics)
5393 return InvalidParameter;
5395 graphics->textcontrast = contrast;
5397 return Ok;
5400 GpStatus WINGDIPAPI GdipSetTextRenderingHint(GpGraphics *graphics,
5401 TextRenderingHint hint)
5403 TRACE("(%p, %d)\n", graphics, hint);
5405 if(!graphics || hint > TextRenderingHintClearTypeGridFit)
5406 return InvalidParameter;
5408 if(graphics->busy)
5409 return ObjectBusy;
5411 graphics->texthint = hint;
5413 return Ok;
5416 GpStatus WINGDIPAPI GdipSetWorldTransform(GpGraphics *graphics, GpMatrix *matrix)
5418 TRACE("(%p, %p)\n", graphics, matrix);
5420 if(!graphics || !matrix)
5421 return InvalidParameter;
5423 if(graphics->busy)
5424 return ObjectBusy;
5426 GdipDeleteMatrix(graphics->worldtrans);
5427 return GdipCloneMatrix(matrix, &graphics->worldtrans);
5430 GpStatus WINGDIPAPI GdipTranslateWorldTransform(GpGraphics *graphics, REAL dx,
5431 REAL dy, GpMatrixOrder order)
5433 TRACE("(%p, %.2f, %.2f, %d)\n", graphics, dx, dy, order);
5435 if(!graphics)
5436 return InvalidParameter;
5438 if(graphics->busy)
5439 return ObjectBusy;
5441 return GdipTranslateMatrix(graphics->worldtrans, dx, dy, order);
5444 /*****************************************************************************
5445 * GdipSetClipHrgn [GDIPLUS.@]
5447 GpStatus WINGDIPAPI GdipSetClipHrgn(GpGraphics *graphics, HRGN hrgn, CombineMode mode)
5449 GpRegion *region;
5450 GpStatus status;
5452 TRACE("(%p, %p, %d)\n", graphics, hrgn, mode);
5454 if(!graphics)
5455 return InvalidParameter;
5457 status = GdipCreateRegionHrgn(hrgn, &region);
5458 if(status != Ok)
5459 return status;
5461 status = GdipSetClipRegion(graphics, region, mode);
5463 GdipDeleteRegion(region);
5464 return status;
5467 GpStatus WINGDIPAPI GdipSetClipPath(GpGraphics *graphics, GpPath *path, CombineMode mode)
5469 TRACE("(%p, %p, %d)\n", graphics, path, mode);
5471 if(!graphics)
5472 return InvalidParameter;
5474 if(graphics->busy)
5475 return ObjectBusy;
5477 return GdipCombineRegionPath(graphics->clip, path, mode);
5480 GpStatus WINGDIPAPI GdipSetClipRect(GpGraphics *graphics, REAL x, REAL y,
5481 REAL width, REAL height,
5482 CombineMode mode)
5484 GpRectF rect;
5486 TRACE("(%p, %.2f, %.2f, %.2f, %.2f, %d)\n", graphics, x, y, width, height, mode);
5488 if(!graphics)
5489 return InvalidParameter;
5491 if(graphics->busy)
5492 return ObjectBusy;
5494 rect.X = x;
5495 rect.Y = y;
5496 rect.Width = width;
5497 rect.Height = height;
5499 return GdipCombineRegionRect(graphics->clip, &rect, mode);
5502 GpStatus WINGDIPAPI GdipSetClipRectI(GpGraphics *graphics, INT x, INT y,
5503 INT width, INT height,
5504 CombineMode mode)
5506 TRACE("(%p, %d, %d, %d, %d, %d)\n", graphics, x, y, width, height, mode);
5508 if(!graphics)
5509 return InvalidParameter;
5511 if(graphics->busy)
5512 return ObjectBusy;
5514 return GdipSetClipRect(graphics, (REAL)x, (REAL)y, (REAL)width, (REAL)height, mode);
5517 GpStatus WINGDIPAPI GdipSetClipRegion(GpGraphics *graphics, GpRegion *region,
5518 CombineMode mode)
5520 TRACE("(%p, %p, %d)\n", graphics, region, mode);
5522 if(!graphics || !region)
5523 return InvalidParameter;
5525 if(graphics->busy)
5526 return ObjectBusy;
5528 return GdipCombineRegionRegion(graphics->clip, region, mode);
5531 GpStatus WINGDIPAPI GdipSetMetafileDownLevelRasterizationLimit(GpMetafile *metafile,
5532 UINT limitDpi)
5534 static int calls;
5536 TRACE("(%p,%u)\n", metafile, limitDpi);
5538 if(!(calls++))
5539 FIXME("not implemented\n");
5541 return NotImplemented;
5544 GpStatus WINGDIPAPI GdipDrawPolygon(GpGraphics *graphics,GpPen *pen,GDIPCONST GpPointF *points,
5545 INT count)
5547 INT save_state;
5548 POINT *pti;
5550 TRACE("(%p, %p, %d)\n", graphics, points, count);
5552 if(!graphics || !pen || count<=0)
5553 return InvalidParameter;
5555 if(graphics->busy)
5556 return ObjectBusy;
5558 if (!graphics->hdc)
5560 FIXME("graphics object has no HDC\n");
5561 return Ok;
5564 pti = GdipAlloc(sizeof(POINT) * count);
5566 save_state = prepare_dc(graphics, pen);
5567 SelectObject(graphics->hdc, GetStockObject(NULL_BRUSH));
5569 transform_and_round_points(graphics, pti, (GpPointF*)points, count);
5570 Polygon(graphics->hdc, pti, count);
5572 restore_dc(graphics, save_state);
5573 GdipFree(pti);
5575 return Ok;
5578 GpStatus WINGDIPAPI GdipDrawPolygonI(GpGraphics *graphics,GpPen *pen,GDIPCONST GpPoint *points,
5579 INT count)
5581 GpStatus ret;
5582 GpPointF *ptf;
5583 INT i;
5585 TRACE("(%p, %p, %p, %d)\n", graphics, pen, points, count);
5587 if(count<=0) return InvalidParameter;
5588 ptf = GdipAlloc(sizeof(GpPointF) * count);
5590 for(i = 0;i < count; i++){
5591 ptf[i].X = (REAL)points[i].X;
5592 ptf[i].Y = (REAL)points[i].Y;
5595 ret = GdipDrawPolygon(graphics,pen,ptf,count);
5596 GdipFree(ptf);
5598 return ret;
5601 GpStatus WINGDIPAPI GdipGetDpiX(GpGraphics *graphics, REAL* dpi)
5603 TRACE("(%p, %p)\n", graphics, dpi);
5605 if(!graphics || !dpi)
5606 return InvalidParameter;
5608 if(graphics->busy)
5609 return ObjectBusy;
5611 if (graphics->image)
5612 *dpi = graphics->image->xres;
5613 else
5614 *dpi = (REAL)GetDeviceCaps(graphics->hdc, LOGPIXELSX);
5616 return Ok;
5619 GpStatus WINGDIPAPI GdipGetDpiY(GpGraphics *graphics, REAL* dpi)
5621 TRACE("(%p, %p)\n", graphics, dpi);
5623 if(!graphics || !dpi)
5624 return InvalidParameter;
5626 if(graphics->busy)
5627 return ObjectBusy;
5629 if (graphics->image)
5630 *dpi = graphics->image->yres;
5631 else
5632 *dpi = (REAL)GetDeviceCaps(graphics->hdc, LOGPIXELSY);
5634 return Ok;
5637 GpStatus WINGDIPAPI GdipMultiplyWorldTransform(GpGraphics *graphics, GDIPCONST GpMatrix *matrix,
5638 GpMatrixOrder order)
5640 GpMatrix m;
5641 GpStatus ret;
5643 TRACE("(%p, %p, %d)\n", graphics, matrix, order);
5645 if(!graphics || !matrix)
5646 return InvalidParameter;
5648 if(graphics->busy)
5649 return ObjectBusy;
5651 m = *(graphics->worldtrans);
5653 ret = GdipMultiplyMatrix(&m, matrix, order);
5654 if(ret == Ok)
5655 *(graphics->worldtrans) = m;
5657 return ret;
5660 /* Color used to fill bitmaps so we can tell which parts have been drawn over by gdi32. */
5661 static const COLORREF DC_BACKGROUND_KEY = 0x0c0b0d;
5663 GpStatus WINGDIPAPI GdipGetDC(GpGraphics *graphics, HDC *hdc)
5665 GpStatus stat=Ok;
5667 TRACE("(%p, %p)\n", graphics, hdc);
5669 if(!graphics || !hdc)
5670 return InvalidParameter;
5672 if(graphics->busy)
5673 return ObjectBusy;
5675 if (graphics->image && graphics->image->type == ImageTypeMetafile)
5677 stat = METAFILE_GetDC((GpMetafile*)graphics->image, hdc);
5679 else if (!graphics->hdc ||
5680 (graphics->image && graphics->image->type == ImageTypeBitmap && ((GpBitmap*)graphics->image)->format & PixelFormatAlpha))
5682 /* Create a fake HDC and fill it with a constant color. */
5683 HDC temp_hdc;
5684 HBITMAP hbitmap;
5685 GpRectF bounds;
5686 BITMAPINFOHEADER bmih;
5687 int i;
5689 stat = get_graphics_bounds(graphics, &bounds);
5690 if (stat != Ok)
5691 return stat;
5693 graphics->temp_hbitmap_width = bounds.Width;
5694 graphics->temp_hbitmap_height = bounds.Height;
5696 bmih.biSize = sizeof(bmih);
5697 bmih.biWidth = graphics->temp_hbitmap_width;
5698 bmih.biHeight = -graphics->temp_hbitmap_height;
5699 bmih.biPlanes = 1;
5700 bmih.biBitCount = 32;
5701 bmih.biCompression = BI_RGB;
5702 bmih.biSizeImage = 0;
5703 bmih.biXPelsPerMeter = 0;
5704 bmih.biYPelsPerMeter = 0;
5705 bmih.biClrUsed = 0;
5706 bmih.biClrImportant = 0;
5708 hbitmap = CreateDIBSection(NULL, (BITMAPINFO*)&bmih, DIB_RGB_COLORS,
5709 (void**)&graphics->temp_bits, NULL, 0);
5710 if (!hbitmap)
5711 return GenericError;
5713 temp_hdc = CreateCompatibleDC(0);
5714 if (!temp_hdc)
5716 DeleteObject(hbitmap);
5717 return GenericError;
5720 for (i=0; i<(graphics->temp_hbitmap_width * graphics->temp_hbitmap_height); i++)
5721 ((DWORD*)graphics->temp_bits)[i] = DC_BACKGROUND_KEY;
5723 SelectObject(temp_hdc, hbitmap);
5725 graphics->temp_hbitmap = hbitmap;
5726 *hdc = graphics->temp_hdc = temp_hdc;
5728 else
5730 *hdc = graphics->hdc;
5733 if (stat == Ok)
5734 graphics->busy = TRUE;
5736 return stat;
5739 GpStatus WINGDIPAPI GdipReleaseDC(GpGraphics *graphics, HDC hdc)
5741 GpStatus stat=Ok;
5743 TRACE("(%p, %p)\n", graphics, hdc);
5745 if(!graphics || !hdc || !graphics->busy)
5746 return InvalidParameter;
5748 if (graphics->image && graphics->image->type == ImageTypeMetafile)
5750 stat = METAFILE_ReleaseDC((GpMetafile*)graphics->image, hdc);
5752 else if (graphics->temp_hdc == hdc)
5754 DWORD* pos;
5755 int i;
5757 /* Find the pixels that have changed, and mark them as opaque. */
5758 pos = (DWORD*)graphics->temp_bits;
5759 for (i=0; i<(graphics->temp_hbitmap_width * graphics->temp_hbitmap_height); i++)
5761 if (*pos != DC_BACKGROUND_KEY)
5763 *pos |= 0xff000000;
5765 pos++;
5768 /* Write the changed pixels to the real target. */
5769 alpha_blend_pixels(graphics, 0, 0, graphics->temp_bits,
5770 graphics->temp_hbitmap_width, graphics->temp_hbitmap_height,
5771 graphics->temp_hbitmap_width * 4);
5773 /* Clean up. */
5774 DeleteDC(graphics->temp_hdc);
5775 DeleteObject(graphics->temp_hbitmap);
5776 graphics->temp_hdc = NULL;
5777 graphics->temp_hbitmap = NULL;
5779 else if (hdc != graphics->hdc)
5781 stat = InvalidParameter;
5784 if (stat == Ok)
5785 graphics->busy = FALSE;
5787 return stat;
5790 GpStatus WINGDIPAPI GdipGetClip(GpGraphics *graphics, GpRegion *region)
5792 GpRegion *clip;
5793 GpStatus status;
5795 TRACE("(%p, %p)\n", graphics, region);
5797 if(!graphics || !region)
5798 return InvalidParameter;
5800 if(graphics->busy)
5801 return ObjectBusy;
5803 if((status = GdipCloneRegion(graphics->clip, &clip)) != Ok)
5804 return status;
5806 /* free everything except root node and header */
5807 delete_element(&region->node);
5808 memcpy(region, clip, sizeof(GpRegion));
5809 GdipFree(clip);
5811 return Ok;
5814 static GpStatus get_graphics_transform(GpGraphics *graphics, GpCoordinateSpace dst_space,
5815 GpCoordinateSpace src_space, GpMatrix **matrix)
5817 GpStatus stat = GdipCreateMatrix(matrix);
5818 REAL unitscale;
5820 if (dst_space != src_space && stat == Ok)
5822 unitscale = convert_unit(graphics_res(graphics), graphics->unit);
5824 if(graphics->unit != UnitDisplay)
5825 unitscale *= graphics->scale;
5827 /* transform from src_space to CoordinateSpacePage */
5828 switch (src_space)
5830 case CoordinateSpaceWorld:
5831 GdipMultiplyMatrix(*matrix, graphics->worldtrans, MatrixOrderAppend);
5832 break;
5833 case CoordinateSpacePage:
5834 break;
5835 case CoordinateSpaceDevice:
5836 GdipScaleMatrix(*matrix, 1.0/unitscale, 1.0/unitscale, MatrixOrderAppend);
5837 break;
5840 /* transform from CoordinateSpacePage to dst_space */
5841 switch (dst_space)
5843 case CoordinateSpaceWorld:
5845 GpMatrix *inverted_transform;
5846 stat = GdipCloneMatrix(graphics->worldtrans, &inverted_transform);
5847 if (stat == Ok)
5849 stat = GdipInvertMatrix(inverted_transform);
5850 if (stat == Ok)
5851 GdipMultiplyMatrix(*matrix, inverted_transform, MatrixOrderAppend);
5852 GdipDeleteMatrix(inverted_transform);
5854 break;
5856 case CoordinateSpacePage:
5857 break;
5858 case CoordinateSpaceDevice:
5859 GdipScaleMatrix(*matrix, unitscale, unitscale, MatrixOrderAppend);
5860 break;
5863 return stat;
5866 GpStatus WINGDIPAPI GdipTransformPoints(GpGraphics *graphics, GpCoordinateSpace dst_space,
5867 GpCoordinateSpace src_space, GpPointF *points, INT count)
5869 GpMatrix *matrix;
5870 GpStatus stat;
5872 if(!graphics || !points || count <= 0)
5873 return InvalidParameter;
5875 if(graphics->busy)
5876 return ObjectBusy;
5878 TRACE("(%p, %d, %d, %p, %d)\n", graphics, dst_space, src_space, points, count);
5880 if (src_space == dst_space) return Ok;
5882 stat = get_graphics_transform(graphics, dst_space, src_space, &matrix);
5884 if (stat == Ok)
5886 stat = GdipTransformMatrixPoints(matrix, points, count);
5888 GdipDeleteMatrix(matrix);
5891 return stat;
5894 GpStatus WINGDIPAPI GdipTransformPointsI(GpGraphics *graphics, GpCoordinateSpace dst_space,
5895 GpCoordinateSpace src_space, GpPoint *points, INT count)
5897 GpPointF *pointsF;
5898 GpStatus ret;
5899 INT i;
5901 TRACE("(%p, %d, %d, %p, %d)\n", graphics, dst_space, src_space, points, count);
5903 if(count <= 0)
5904 return InvalidParameter;
5906 pointsF = GdipAlloc(sizeof(GpPointF) * count);
5907 if(!pointsF)
5908 return OutOfMemory;
5910 for(i = 0; i < count; i++){
5911 pointsF[i].X = (REAL)points[i].X;
5912 pointsF[i].Y = (REAL)points[i].Y;
5915 ret = GdipTransformPoints(graphics, dst_space, src_space, pointsF, count);
5917 if(ret == Ok)
5918 for(i = 0; i < count; i++){
5919 points[i].X = roundr(pointsF[i].X);
5920 points[i].Y = roundr(pointsF[i].Y);
5922 GdipFree(pointsF);
5924 return ret;
5927 HPALETTE WINGDIPAPI GdipCreateHalftonePalette(void)
5929 static int calls;
5931 TRACE("\n");
5933 if (!calls++)
5934 FIXME("stub\n");
5936 return NULL;
5939 /*****************************************************************************
5940 * GdipTranslateClip [GDIPLUS.@]
5942 GpStatus WINGDIPAPI GdipTranslateClip(GpGraphics *graphics, REAL dx, REAL dy)
5944 TRACE("(%p, %.2f, %.2f)\n", graphics, dx, dy);
5946 if(!graphics)
5947 return InvalidParameter;
5949 if(graphics->busy)
5950 return ObjectBusy;
5952 return GdipTranslateRegion(graphics->clip, dx, dy);
5955 /*****************************************************************************
5956 * GdipTranslateClipI [GDIPLUS.@]
5958 GpStatus WINGDIPAPI GdipTranslateClipI(GpGraphics *graphics, INT dx, INT dy)
5960 TRACE("(%p, %d, %d)\n", graphics, dx, dy);
5962 if(!graphics)
5963 return InvalidParameter;
5965 if(graphics->busy)
5966 return ObjectBusy;
5968 return GdipTranslateRegion(graphics->clip, (REAL)dx, (REAL)dy);
5972 /*****************************************************************************
5973 * GdipMeasureDriverString [GDIPLUS.@]
5975 GpStatus WINGDIPAPI GdipMeasureDriverString(GpGraphics *graphics, GDIPCONST UINT16 *text, INT length,
5976 GDIPCONST GpFont *font, GDIPCONST PointF *positions,
5977 INT flags, GDIPCONST GpMatrix *matrix, RectF *boundingBox)
5979 static const INT unsupported_flags = ~(DriverStringOptionsCmapLookup|DriverStringOptionsRealizedAdvance);
5980 HFONT hfont;
5981 HDC hdc;
5982 REAL min_x, min_y, max_x, max_y, x, y;
5983 int i;
5984 TEXTMETRICW textmetric;
5985 const WORD *glyph_indices;
5986 WORD *dynamic_glyph_indices=NULL;
5987 REAL rel_width, rel_height, ascent, descent;
5988 GpPointF pt[3];
5990 TRACE("(%p %p %d %p %p %d %p %p)\n", graphics, text, length, font, positions, flags, matrix, boundingBox);
5992 if (!graphics || !text || !font || !positions || !boundingBox)
5993 return InvalidParameter;
5995 if (length == -1)
5996 length = strlenW(text);
5998 if (length == 0)
6000 boundingBox->X = 0.0;
6001 boundingBox->Y = 0.0;
6002 boundingBox->Width = 0.0;
6003 boundingBox->Height = 0.0;
6006 if (flags & unsupported_flags)
6007 FIXME("Ignoring flags %x\n", flags & unsupported_flags);
6009 if (matrix)
6010 FIXME("Ignoring matrix\n");
6012 get_font_hfont(graphics, font, &hfont);
6014 hdc = CreateCompatibleDC(0);
6015 SelectObject(hdc, hfont);
6017 GetTextMetricsW(hdc, &textmetric);
6019 pt[0].X = 0.0;
6020 pt[0].Y = 0.0;
6021 pt[1].X = 1.0;
6022 pt[1].Y = 0.0;
6023 pt[2].X = 0.0;
6024 pt[2].Y = 1.0;
6025 GdipTransformPoints(graphics, CoordinateSpaceDevice, CoordinateSpaceWorld, pt, 3);
6026 rel_width = sqrt((pt[1].Y-pt[0].Y)*(pt[1].Y-pt[0].Y)+
6027 (pt[1].X-pt[0].X)*(pt[1].X-pt[0].X));
6028 rel_height = sqrt((pt[2].Y-pt[0].Y)*(pt[2].Y-pt[0].Y)+
6029 (pt[2].X-pt[0].X)*(pt[2].X-pt[0].X));
6031 if (flags & DriverStringOptionsCmapLookup)
6033 glyph_indices = dynamic_glyph_indices = GdipAlloc(sizeof(WORD) * length);
6034 if (!glyph_indices)
6036 DeleteDC(hdc);
6037 DeleteObject(hfont);
6038 return OutOfMemory;
6041 GetGlyphIndicesW(hdc, text, length, dynamic_glyph_indices, 0);
6043 else
6044 glyph_indices = text;
6046 min_x = max_x = x = positions[0].X;
6047 min_y = max_y = y = positions[0].Y;
6049 ascent = textmetric.tmAscent / rel_height;
6050 descent = textmetric.tmDescent / rel_height;
6052 for (i=0; i<length; i++)
6054 int char_width;
6055 ABC abc;
6057 if (!(flags & DriverStringOptionsRealizedAdvance))
6059 x = positions[i].X;
6060 y = positions[i].Y;
6063 GetCharABCWidthsW(hdc, glyph_indices[i], glyph_indices[i], &abc);
6064 char_width = abc.abcA + abc.abcB + abc.abcB;
6066 if (min_y > y - ascent) min_y = y - ascent;
6067 if (max_y < y + descent) max_y = y + descent;
6068 if (min_x > x) min_x = x;
6070 x += char_width / rel_width;
6072 if (max_x < x) max_x = x;
6075 GdipFree(dynamic_glyph_indices);
6076 DeleteDC(hdc);
6077 DeleteObject(hfont);
6079 boundingBox->X = min_x;
6080 boundingBox->Y = min_y;
6081 boundingBox->Width = max_x - min_x;
6082 boundingBox->Height = max_y - min_y;
6084 return Ok;
6087 static GpStatus GDI32_GdipDrawDriverString(GpGraphics *graphics, GDIPCONST UINT16 *text, INT length,
6088 GDIPCONST GpFont *font, GDIPCONST GpBrush *brush,
6089 GDIPCONST PointF *positions, INT flags,
6090 GDIPCONST GpMatrix *matrix )
6092 static const INT unsupported_flags = ~(DriverStringOptionsRealizedAdvance|DriverStringOptionsCmapLookup);
6093 INT save_state;
6094 GpPointF pt;
6095 HFONT hfont;
6096 UINT eto_flags=0;
6098 if (flags & unsupported_flags)
6099 FIXME("Ignoring flags %x\n", flags & unsupported_flags);
6101 if (matrix)
6102 FIXME("Ignoring matrix\n");
6104 if (!(flags & DriverStringOptionsCmapLookup))
6105 eto_flags |= ETO_GLYPH_INDEX;
6107 save_state = SaveDC(graphics->hdc);
6108 SetBkMode(graphics->hdc, TRANSPARENT);
6109 SetTextColor(graphics->hdc, get_gdi_brush_color(brush));
6111 pt = positions[0];
6112 GdipTransformPoints(graphics, CoordinateSpaceDevice, CoordinateSpaceWorld, &pt, 1);
6114 get_font_hfont(graphics, font, &hfont);
6115 SelectObject(graphics->hdc, hfont);
6117 SetTextAlign(graphics->hdc, TA_BASELINE|TA_LEFT);
6119 ExtTextOutW(graphics->hdc, roundr(pt.X), roundr(pt.Y), eto_flags, NULL, text, length, NULL);
6121 RestoreDC(graphics->hdc, save_state);
6123 DeleteObject(hfont);
6125 return Ok;
6128 static GpStatus SOFTWARE_GdipDrawDriverString(GpGraphics *graphics, GDIPCONST UINT16 *text, INT length,
6129 GDIPCONST GpFont *font, GDIPCONST GpBrush *brush,
6130 GDIPCONST PointF *positions, INT flags,
6131 GDIPCONST GpMatrix *matrix )
6133 static const INT unsupported_flags = ~(DriverStringOptionsCmapLookup|DriverStringOptionsRealizedAdvance);
6134 GpStatus stat;
6135 PointF *real_positions, real_position;
6136 POINT *pti;
6137 HFONT hfont;
6138 HDC hdc;
6139 int min_x=INT_MAX, min_y=INT_MAX, max_x=INT_MIN, max_y=INT_MIN, i, x, y;
6140 DWORD max_glyphsize=0;
6141 GLYPHMETRICS glyphmetrics;
6142 static const MAT2 identity = {{0,1}, {0,0}, {0,0}, {0,1}};
6143 BYTE *glyph_mask;
6144 BYTE *text_mask;
6145 int text_mask_stride;
6146 BYTE *pixel_data;
6147 int pixel_data_stride;
6148 GpRect pixel_area;
6149 UINT ggo_flags = GGO_GRAY8_BITMAP;
6151 if (length <= 0)
6152 return Ok;
6154 if (!(flags & DriverStringOptionsCmapLookup))
6155 ggo_flags |= GGO_GLYPH_INDEX;
6157 if (flags & unsupported_flags)
6158 FIXME("Ignoring flags %x\n", flags & unsupported_flags);
6160 if (matrix)
6161 FIXME("Ignoring matrix\n");
6163 pti = GdipAlloc(sizeof(POINT) * length);
6164 if (!pti)
6165 return OutOfMemory;
6167 if (flags & DriverStringOptionsRealizedAdvance)
6169 real_position = positions[0];
6171 transform_and_round_points(graphics, pti, &real_position, 1);
6173 else
6175 real_positions = GdipAlloc(sizeof(PointF) * length);
6176 if (!real_positions)
6178 GdipFree(pti);
6179 return OutOfMemory;
6182 memcpy(real_positions, positions, sizeof(PointF) * length);
6184 transform_and_round_points(graphics, pti, real_positions, length);
6186 GdipFree(real_positions);
6189 get_font_hfont(graphics, font, &hfont);
6191 hdc = CreateCompatibleDC(0);
6192 SelectObject(hdc, hfont);
6194 /* Get the boundaries of the text to be drawn */
6195 for (i=0; i<length; i++)
6197 DWORD glyphsize;
6198 int left, top, right, bottom;
6200 glyphsize = GetGlyphOutlineW(hdc, text[i], ggo_flags,
6201 &glyphmetrics, 0, NULL, &identity);
6203 if (glyphsize == GDI_ERROR)
6205 ERR("GetGlyphOutlineW failed\n");
6206 GdipFree(pti);
6207 DeleteDC(hdc);
6208 DeleteObject(hfont);
6209 return GenericError;
6212 if (glyphsize > max_glyphsize)
6213 max_glyphsize = glyphsize;
6215 left = pti[i].x + glyphmetrics.gmptGlyphOrigin.x;
6216 top = pti[i].y - glyphmetrics.gmptGlyphOrigin.y;
6217 right = pti[i].x + glyphmetrics.gmptGlyphOrigin.x + glyphmetrics.gmBlackBoxX;
6218 bottom = pti[i].y - glyphmetrics.gmptGlyphOrigin.y + glyphmetrics.gmBlackBoxY;
6220 if (left < min_x) min_x = left;
6221 if (top < min_y) min_y = top;
6222 if (right > max_x) max_x = right;
6223 if (bottom > max_y) max_y = bottom;
6225 if (i+1 < length && (flags & DriverStringOptionsRealizedAdvance) == DriverStringOptionsRealizedAdvance)
6227 pti[i+1].x = pti[i].x + glyphmetrics.gmCellIncX;
6228 pti[i+1].y = pti[i].y + glyphmetrics.gmCellIncY;
6232 glyph_mask = GdipAlloc(max_glyphsize);
6233 text_mask = GdipAlloc((max_x - min_x) * (max_y - min_y));
6234 text_mask_stride = max_x - min_x;
6236 if (!(glyph_mask && text_mask))
6238 GdipFree(glyph_mask);
6239 GdipFree(text_mask);
6240 GdipFree(pti);
6241 DeleteDC(hdc);
6242 DeleteObject(hfont);
6243 return OutOfMemory;
6246 /* Generate a mask for the text */
6247 for (i=0; i<length; i++)
6249 int left, top, stride;
6251 GetGlyphOutlineW(hdc, text[i], ggo_flags,
6252 &glyphmetrics, max_glyphsize, glyph_mask, &identity);
6254 left = pti[i].x + glyphmetrics.gmptGlyphOrigin.x;
6255 top = pti[i].y - glyphmetrics.gmptGlyphOrigin.y;
6256 stride = (glyphmetrics.gmBlackBoxX + 3) & (~3);
6258 for (y=0; y<glyphmetrics.gmBlackBoxY; y++)
6260 BYTE *glyph_val = glyph_mask + y * stride;
6261 BYTE *text_val = text_mask + (left - min_x) + (top - min_y + y) * text_mask_stride;
6262 for (x=0; x<glyphmetrics.gmBlackBoxX; x++)
6264 *text_val = min(64, *text_val + *glyph_val);
6265 glyph_val++;
6266 text_val++;
6271 GdipFree(pti);
6272 DeleteDC(hdc);
6273 DeleteObject(hfont);
6274 GdipFree(glyph_mask);
6276 /* get the brush data */
6277 pixel_data = GdipAlloc(4 * (max_x - min_x) * (max_y - min_y));
6278 if (!pixel_data)
6280 GdipFree(text_mask);
6281 return OutOfMemory;
6284 pixel_area.X = min_x;
6285 pixel_area.Y = min_y;
6286 pixel_area.Width = max_x - min_x;
6287 pixel_area.Height = max_y - min_y;
6288 pixel_data_stride = pixel_area.Width * 4;
6290 stat = brush_fill_pixels(graphics, (GpBrush*)brush, (DWORD*)pixel_data, &pixel_area, pixel_area.Width);
6291 if (stat != Ok)
6293 GdipFree(text_mask);
6294 GdipFree(pixel_data);
6295 return stat;
6298 /* multiply the brush data by the mask */
6299 for (y=0; y<pixel_area.Height; y++)
6301 BYTE *text_val = text_mask + text_mask_stride * y;
6302 BYTE *pixel_val = pixel_data + pixel_data_stride * y + 3;
6303 for (x=0; x<pixel_area.Width; x++)
6305 *pixel_val = (*pixel_val) * (*text_val) / 64;
6306 text_val++;
6307 pixel_val+=4;
6311 GdipFree(text_mask);
6313 /* draw the result */
6314 stat = alpha_blend_pixels(graphics, min_x, min_y, pixel_data, pixel_area.Width,
6315 pixel_area.Height, pixel_data_stride);
6317 GdipFree(pixel_data);
6319 return stat;
6322 /*****************************************************************************
6323 * GdipDrawDriverString [GDIPLUS.@]
6325 GpStatus WINGDIPAPI GdipDrawDriverString(GpGraphics *graphics, GDIPCONST UINT16 *text, INT length,
6326 GDIPCONST GpFont *font, GDIPCONST GpBrush *brush,
6327 GDIPCONST PointF *positions, INT flags,
6328 GDIPCONST GpMatrix *matrix )
6330 GpStatus stat=NotImplemented;
6332 TRACE("(%p %s %p %p %p %d %p)\n", graphics, debugstr_wn(text, length), font, brush, positions, flags, matrix);
6334 if (!graphics || !text || !font || !brush || !positions)
6335 return InvalidParameter;
6337 if (length == -1)
6338 length = strlenW(text);
6340 if (graphics->hdc &&
6341 ((flags & DriverStringOptionsRealizedAdvance) || length <= 1) &&
6342 brush->bt == BrushTypeSolidColor &&
6343 (((GpSolidFill*)brush)->color & 0xff000000) == 0xff000000)
6344 stat = GDI32_GdipDrawDriverString(graphics, text, length, font, brush,
6345 positions, flags, matrix);
6347 if (stat == NotImplemented)
6348 stat = SOFTWARE_GdipDrawDriverString(graphics, text, length, font, brush,
6349 positions, flags, matrix);
6351 return stat;
6354 GpStatus WINGDIPAPI GdipRecordMetafileStream(IStream *stream, HDC hdc, EmfType type, GDIPCONST GpRect *frameRect,
6355 MetafileFrameUnit frameUnit, GDIPCONST WCHAR *desc, GpMetafile **metafile)
6357 FIXME("(%p %p %d %p %d %p %p): stub\n", stream, hdc, type, frameRect, frameUnit, desc, metafile);
6358 return NotImplemented;
6361 /*****************************************************************************
6362 * GdipIsVisibleClipEmpty [GDIPLUS.@]
6364 GpStatus WINGDIPAPI GdipIsVisibleClipEmpty(GpGraphics *graphics, BOOL *res)
6366 GpStatus stat;
6367 GpRegion* rgn;
6369 TRACE("(%p, %p)\n", graphics, res);
6371 if((stat = GdipCreateRegion(&rgn)) != Ok)
6372 return stat;
6374 if((stat = get_visible_clip_region(graphics, rgn)) != Ok)
6375 goto cleanup;
6377 stat = GdipIsEmptyRegion(rgn, graphics, res);
6379 cleanup:
6380 GdipDeleteRegion(rgn);
6381 return stat;