shell32: Use S_OK as successful return code name.
[wine/multimedia.git] / dlls / gdiplus / graphics.c
blob50d2f7ce072840cbab4f175e16c5e8f20eb63e17
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 INT prepare_dc(GpGraphics *graphics, GpPen *pen)
95 HPEN gdipen;
96 REAL width;
97 INT save_state, i, numdashes;
98 GpPointF pt[2];
99 DWORD dash_array[MAX_DASHLEN];
101 save_state = SaveDC(graphics->hdc);
103 EndPath(graphics->hdc);
105 if(pen->unit == UnitPixel){
106 width = pen->width;
108 else{
109 /* Get an estimate for the amount the pen width is affected by the world
110 * transform. (This is similar to what some of the wine drivers do.) */
111 pt[0].X = 0.0;
112 pt[0].Y = 0.0;
113 pt[1].X = 1.0;
114 pt[1].Y = 1.0;
115 GdipTransformMatrixPoints(graphics->worldtrans, pt, 2);
116 width = sqrt((pt[1].X - pt[0].X) * (pt[1].X - pt[0].X) +
117 (pt[1].Y - pt[0].Y) * (pt[1].Y - pt[0].Y)) / sqrt(2.0);
119 width *= pen->width * convert_unit(graphics_res(graphics),
120 pen->unit == UnitWorld ? graphics->unit : pen->unit);
123 if(pen->dash == DashStyleCustom){
124 numdashes = min(pen->numdashes, MAX_DASHLEN);
126 TRACE("dashes are: ");
127 for(i = 0; i < numdashes; i++){
128 dash_array[i] = roundr(width * pen->dashes[i]);
129 TRACE("%d, ", dash_array[i]);
131 TRACE("\n and the pen style is %x\n", pen->style);
133 gdipen = ExtCreatePen(pen->style, roundr(width), &pen->brush->lb,
134 numdashes, dash_array);
136 else
137 gdipen = ExtCreatePen(pen->style, roundr(width), &pen->brush->lb, 0, NULL);
139 SelectObject(graphics->hdc, gdipen);
141 return save_state;
144 static void restore_dc(GpGraphics *graphics, INT state)
146 DeleteObject(SelectObject(graphics->hdc, GetStockObject(NULL_PEN)));
147 RestoreDC(graphics->hdc, state);
150 static GpStatus get_graphics_transform(GpGraphics *graphics, GpCoordinateSpace dst_space,
151 GpCoordinateSpace src_space, GpMatrix **matrix);
153 /* This helper applies all the changes that the points listed in ptf need in
154 * order to be drawn on the device context. In the end, this should include at
155 * least:
156 * -scaling by page unit
157 * -applying world transformation
158 * -converting from float to int
159 * Native gdiplus uses gdi32 to do all this (via SetMapMode, SetViewportExtEx,
160 * SetWindowExtEx, SetWorldTransform, etc.) but we cannot because we are using
161 * gdi to draw, and these functions would irreparably mess with line widths.
163 static void transform_and_round_points(GpGraphics *graphics, POINT *pti,
164 GpPointF *ptf, INT count)
166 REAL unitscale;
167 GpMatrix *matrix;
168 int i;
170 unitscale = convert_unit(graphics_res(graphics), graphics->unit);
172 /* apply page scale */
173 if(graphics->unit != UnitDisplay)
174 unitscale *= graphics->scale;
176 GdipCloneMatrix(graphics->worldtrans, &matrix);
177 GdipScaleMatrix(matrix, unitscale, unitscale, MatrixOrderAppend);
178 GdipTransformMatrixPoints(matrix, ptf, count);
179 GdipDeleteMatrix(matrix);
181 for(i = 0; i < count; i++){
182 pti[i].x = roundr(ptf[i].X);
183 pti[i].y = roundr(ptf[i].Y);
187 /* Draw non-premultiplied ARGB data to the given graphics object */
188 static GpStatus alpha_blend_pixels(GpGraphics *graphics, INT dst_x, INT dst_y,
189 const BYTE *src, INT src_width, INT src_height, INT src_stride)
191 if (graphics->image && graphics->image->type == ImageTypeBitmap)
193 GpBitmap *dst_bitmap = (GpBitmap*)graphics->image;
194 INT x, y;
196 for (x=0; x<src_width; x++)
198 for (y=0; y<src_height; y++)
200 ARGB dst_color, src_color;
201 GdipBitmapGetPixel(dst_bitmap, x+dst_x, y+dst_y, &dst_color);
202 src_color = ((ARGB*)(src + src_stride * y))[x];
203 GdipBitmapSetPixel(dst_bitmap, x+dst_x, y+dst_y, color_over(dst_color, src_color));
207 return Ok;
209 else if (graphics->image && graphics->image->type == ImageTypeMetafile)
211 ERR("This should not be used for metafiles; fix caller\n");
212 return NotImplemented;
214 else
216 HDC hdc;
217 HBITMAP hbitmap, old_hbm=NULL;
218 BITMAPINFOHEADER bih;
219 BYTE *temp_bits;
220 BLENDFUNCTION bf;
222 hdc = CreateCompatibleDC(0);
224 bih.biSize = sizeof(BITMAPINFOHEADER);
225 bih.biWidth = src_width;
226 bih.biHeight = -src_height;
227 bih.biPlanes = 1;
228 bih.biBitCount = 32;
229 bih.biCompression = BI_RGB;
230 bih.biSizeImage = 0;
231 bih.biXPelsPerMeter = 0;
232 bih.biYPelsPerMeter = 0;
233 bih.biClrUsed = 0;
234 bih.biClrImportant = 0;
236 hbitmap = CreateDIBSection(hdc, (BITMAPINFO*)&bih, DIB_RGB_COLORS,
237 (void**)&temp_bits, NULL, 0);
239 convert_32bppARGB_to_32bppPARGB(src_width, src_height, temp_bits,
240 4 * src_width, src, src_stride);
242 old_hbm = SelectObject(hdc, hbitmap);
244 bf.BlendOp = AC_SRC_OVER;
245 bf.BlendFlags = 0;
246 bf.SourceConstantAlpha = 255;
247 bf.AlphaFormat = AC_SRC_ALPHA;
249 GdiAlphaBlend(graphics->hdc, dst_x, dst_y, src_width, src_height,
250 hdc, 0, 0, src_width, src_height, bf);
252 SelectObject(hdc, old_hbm);
253 DeleteDC(hdc);
254 DeleteObject(hbitmap);
256 return Ok;
260 static ARGB blend_colors(ARGB start, ARGB end, REAL position)
262 ARGB result=0;
263 ARGB i;
264 INT a1, a2, a3;
266 a1 = (start >> 24) & 0xff;
267 a2 = (end >> 24) & 0xff;
269 a3 = (int)(a1*(1.0f - position)+a2*(position));
271 result |= a3 << 24;
273 for (i=0xff; i<=0xff0000; i = i << 8)
274 result |= (int)((start&i)*(1.0f - position)+(end&i)*(position))&i;
275 return result;
278 static ARGB blend_line_gradient(GpLineGradient* brush, REAL position)
280 REAL blendfac;
282 /* clamp to between 0.0 and 1.0, using the wrap mode */
283 if (brush->wrap == WrapModeTile)
285 position = fmodf(position, 1.0f);
286 if (position < 0.0f) position += 1.0f;
288 else /* WrapModeFlip* */
290 position = fmodf(position, 2.0f);
291 if (position < 0.0f) position += 2.0f;
292 if (position > 1.0f) position = 2.0f - position;
295 if (brush->blendcount == 1)
296 blendfac = position;
297 else
299 int i=1;
300 REAL left_blendpos, left_blendfac, right_blendpos, right_blendfac;
301 REAL range;
303 /* locate the blend positions surrounding this position */
304 while (position > brush->blendpos[i])
305 i++;
307 /* interpolate between the blend positions */
308 left_blendpos = brush->blendpos[i-1];
309 left_blendfac = brush->blendfac[i-1];
310 right_blendpos = brush->blendpos[i];
311 right_blendfac = brush->blendfac[i];
312 range = right_blendpos - left_blendpos;
313 blendfac = (left_blendfac * (right_blendpos - position) +
314 right_blendfac * (position - left_blendpos)) / range;
317 if (brush->pblendcount == 0)
318 return blend_colors(brush->startcolor, brush->endcolor, blendfac);
319 else
321 int i=1;
322 ARGB left_blendcolor, right_blendcolor;
323 REAL left_blendpos, right_blendpos;
325 /* locate the blend colors surrounding this position */
326 while (blendfac > brush->pblendpos[i])
327 i++;
329 /* interpolate between the blend colors */
330 left_blendpos = brush->pblendpos[i-1];
331 left_blendcolor = brush->pblendcolor[i-1];
332 right_blendpos = brush->pblendpos[i];
333 right_blendcolor = brush->pblendcolor[i];
334 blendfac = (blendfac - left_blendpos) / (right_blendpos - left_blendpos);
335 return blend_colors(left_blendcolor, right_blendcolor, blendfac);
339 static ARGB transform_color(ARGB color, const ColorMatrix *matrix)
341 REAL val[5], res[4];
342 int i, j;
343 unsigned char a, r, g, b;
345 val[0] = ((color >> 16) & 0xff) / 255.0; /* red */
346 val[1] = ((color >> 8) & 0xff) / 255.0; /* green */
347 val[2] = (color & 0xff) / 255.0; /* blue */
348 val[3] = ((color >> 24) & 0xff) / 255.0; /* alpha */
349 val[4] = 1.0; /* translation */
351 for (i=0; i<4; i++)
353 res[i] = 0.0;
355 for (j=0; j<5; j++)
356 res[i] += matrix->m[j][i] * val[j];
359 a = min(max(floorf(res[3]*255.0), 0.0), 255.0);
360 r = min(max(floorf(res[0]*255.0), 0.0), 255.0);
361 g = min(max(floorf(res[1]*255.0), 0.0), 255.0);
362 b = min(max(floorf(res[2]*255.0), 0.0), 255.0);
364 return (a << 24) | (r << 16) | (g << 8) | b;
367 static int color_is_gray(ARGB color)
369 unsigned char r, g, b;
371 r = (color >> 16) & 0xff;
372 g = (color >> 8) & 0xff;
373 b = color & 0xff;
375 return (r == g) && (g == b);
378 static void apply_image_attributes(const GpImageAttributes *attributes, LPBYTE data,
379 UINT width, UINT height, INT stride, ColorAdjustType type)
381 UINT x, y, i;
383 if (attributes->colorkeys[type].enabled ||
384 attributes->colorkeys[ColorAdjustTypeDefault].enabled)
386 const struct color_key *key;
387 BYTE min_blue, min_green, min_red;
388 BYTE max_blue, max_green, max_red;
390 if (attributes->colorkeys[type].enabled)
391 key = &attributes->colorkeys[type];
392 else
393 key = &attributes->colorkeys[ColorAdjustTypeDefault];
395 min_blue = key->low&0xff;
396 min_green = (key->low>>8)&0xff;
397 min_red = (key->low>>16)&0xff;
399 max_blue = key->high&0xff;
400 max_green = (key->high>>8)&0xff;
401 max_red = (key->high>>16)&0xff;
403 for (x=0; x<width; x++)
404 for (y=0; y<height; y++)
406 ARGB *src_color;
407 BYTE blue, green, red;
408 src_color = (ARGB*)(data + stride * y + sizeof(ARGB) * x);
409 blue = *src_color&0xff;
410 green = (*src_color>>8)&0xff;
411 red = (*src_color>>16)&0xff;
412 if (blue >= min_blue && green >= min_green && red >= min_red &&
413 blue <= max_blue && green <= max_green && red <= max_red)
414 *src_color = 0x00000000;
418 if (attributes->colorremaptables[type].enabled ||
419 attributes->colorremaptables[ColorAdjustTypeDefault].enabled)
421 const struct color_remap_table *table;
423 if (attributes->colorremaptables[type].enabled)
424 table = &attributes->colorremaptables[type];
425 else
426 table = &attributes->colorremaptables[ColorAdjustTypeDefault];
428 for (x=0; x<width; x++)
429 for (y=0; y<height; y++)
431 ARGB *src_color;
432 src_color = (ARGB*)(data + stride * y + sizeof(ARGB) * x);
433 for (i=0; i<table->mapsize; i++)
435 if (*src_color == table->colormap[i].oldColor.Argb)
437 *src_color = table->colormap[i].newColor.Argb;
438 break;
444 if (attributes->colormatrices[type].enabled ||
445 attributes->colormatrices[ColorAdjustTypeDefault].enabled)
447 const struct color_matrix *colormatrices;
449 if (attributes->colormatrices[type].enabled)
450 colormatrices = &attributes->colormatrices[type];
451 else
452 colormatrices = &attributes->colormatrices[ColorAdjustTypeDefault];
454 for (x=0; x<width; x++)
455 for (y=0; y<height; y++)
457 ARGB *src_color;
458 src_color = (ARGB*)(data + stride * y + sizeof(ARGB) * x);
460 if (colormatrices->flags == ColorMatrixFlagsDefault ||
461 !color_is_gray(*src_color))
463 *src_color = transform_color(*src_color, &colormatrices->colormatrix);
465 else if (colormatrices->flags == ColorMatrixFlagsAltGray)
467 *src_color = transform_color(*src_color, &colormatrices->graymatrix);
472 if (attributes->gamma_enabled[type] ||
473 attributes->gamma_enabled[ColorAdjustTypeDefault])
475 REAL gamma;
477 if (attributes->gamma_enabled[type])
478 gamma = attributes->gamma[type];
479 else
480 gamma = attributes->gamma[ColorAdjustTypeDefault];
482 for (x=0; x<width; x++)
483 for (y=0; y<height; y++)
485 ARGB *src_color;
486 BYTE blue, green, red;
487 src_color = (ARGB*)(data + stride * y + sizeof(ARGB) * x);
489 blue = *src_color&0xff;
490 green = (*src_color>>8)&0xff;
491 red = (*src_color>>16)&0xff;
493 /* FIXME: We should probably use a table for this. */
494 blue = floorf(powf(blue / 255.0, gamma) * 255.0);
495 green = floorf(powf(green / 255.0, gamma) * 255.0);
496 red = floorf(powf(red / 255.0, gamma) * 255.0);
498 *src_color = (*src_color & 0xff000000) | (red << 16) | (green << 8) | blue;
503 /* Given a bitmap and its source rectangle, find the smallest rectangle in the
504 * bitmap that contains all the pixels we may need to draw it. */
505 static void get_bitmap_sample_size(InterpolationMode interpolation, WrapMode wrap,
506 GpBitmap* bitmap, REAL srcx, REAL srcy, REAL srcwidth, REAL srcheight,
507 GpRect *rect)
509 INT left, top, right, bottom;
511 switch (interpolation)
513 case InterpolationModeHighQualityBilinear:
514 case InterpolationModeHighQualityBicubic:
515 /* FIXME: Include a greater range for the prefilter? */
516 case InterpolationModeBicubic:
517 case InterpolationModeBilinear:
518 left = (INT)(floorf(srcx));
519 top = (INT)(floorf(srcy));
520 right = (INT)(ceilf(srcx+srcwidth));
521 bottom = (INT)(ceilf(srcy+srcheight));
522 break;
523 case InterpolationModeNearestNeighbor:
524 default:
525 left = roundr(srcx);
526 top = roundr(srcy);
527 right = roundr(srcx+srcwidth);
528 bottom = roundr(srcy+srcheight);
529 break;
532 if (wrap == WrapModeClamp)
534 if (left < 0)
535 left = 0;
536 if (top < 0)
537 top = 0;
538 if (right >= bitmap->width)
539 right = bitmap->width-1;
540 if (bottom >= bitmap->height)
541 bottom = bitmap->height-1;
543 else
545 /* In some cases we can make the rectangle smaller here, but the logic
546 * is hard to get right, and tiling suggests we're likely to use the
547 * entire source image. */
548 if (left < 0 || right >= bitmap->width)
550 left = 0;
551 right = bitmap->width-1;
554 if (top < 0 || bottom >= bitmap->height)
556 top = 0;
557 bottom = bitmap->height-1;
561 rect->X = left;
562 rect->Y = top;
563 rect->Width = right - left + 1;
564 rect->Height = bottom - top + 1;
567 static ARGB sample_bitmap_pixel(GDIPCONST GpRect *src_rect, LPBYTE bits, UINT width,
568 UINT height, INT x, INT y, GDIPCONST GpImageAttributes *attributes)
570 if (attributes->wrap == WrapModeClamp)
572 if (x < 0 || y < 0 || x >= width || y >= height)
573 return attributes->outside_color;
575 else
577 /* Tiling. Make sure co-ordinates are positive as it simplifies the math. */
578 if (x < 0)
579 x = width*2 + x % (width * 2);
580 if (y < 0)
581 y = height*2 + y % (height * 2);
583 if ((attributes->wrap & 1) == 1)
585 /* Flip X */
586 if ((x / width) % 2 == 0)
587 x = x % width;
588 else
589 x = width - 1 - x % width;
591 else
592 x = x % width;
594 if ((attributes->wrap & 2) == 2)
596 /* Flip Y */
597 if ((y / height) % 2 == 0)
598 y = y % height;
599 else
600 y = height - 1 - y % height;
602 else
603 y = y % height;
606 if (x < src_rect->X || y < src_rect->Y || x >= src_rect->X + src_rect->Width || y >= src_rect->Y + src_rect->Height)
608 ERR("out of range pixel requested\n");
609 return 0xffcd0084;
612 return ((DWORD*)(bits))[(x - src_rect->X) + (y - src_rect->Y) * src_rect->Width];
615 static ARGB resample_bitmap_pixel(GDIPCONST GpRect *src_rect, LPBYTE bits, UINT width,
616 UINT height, GpPointF *point, GDIPCONST GpImageAttributes *attributes,
617 InterpolationMode interpolation)
619 static int fixme;
621 switch (interpolation)
623 default:
624 if (!fixme++)
625 FIXME("Unimplemented interpolation %i\n", interpolation);
626 /* fall-through */
627 case InterpolationModeBilinear:
629 REAL leftxf, topyf;
630 INT leftx, rightx, topy, bottomy;
631 ARGB topleft, topright, bottomleft, bottomright;
632 ARGB top, bottom;
633 float x_offset;
635 leftxf = floorf(point->X);
636 leftx = (INT)leftxf;
637 rightx = (INT)ceilf(point->X);
638 topyf = floorf(point->Y);
639 topy = (INT)topyf;
640 bottomy = (INT)ceilf(point->Y);
642 if (leftx == rightx && topy == bottomy)
643 return sample_bitmap_pixel(src_rect, bits, width, height,
644 leftx, topy, attributes);
646 topleft = sample_bitmap_pixel(src_rect, bits, width, height,
647 leftx, topy, attributes);
648 topright = sample_bitmap_pixel(src_rect, bits, width, height,
649 rightx, topy, attributes);
650 bottomleft = sample_bitmap_pixel(src_rect, bits, width, height,
651 leftx, bottomy, attributes);
652 bottomright = sample_bitmap_pixel(src_rect, bits, width, height,
653 rightx, bottomy, attributes);
655 x_offset = point->X - leftxf;
656 top = blend_colors(topleft, topright, x_offset);
657 bottom = blend_colors(bottomleft, bottomright, x_offset);
659 return blend_colors(top, bottom, point->Y - topyf);
661 case InterpolationModeNearestNeighbor:
662 return sample_bitmap_pixel(src_rect, bits, width, height,
663 roundr(point->X), roundr(point->Y), attributes);
667 static INT brush_can_fill_path(GpBrush *brush)
669 switch (brush->bt)
671 case BrushTypeSolidColor:
672 return 1;
673 case BrushTypeHatchFill:
675 GpHatch *hatch = (GpHatch*)brush;
676 return ((hatch->forecol & 0xff000000) == 0xff000000) &&
677 ((hatch->backcol & 0xff000000) == 0xff000000);
679 case BrushTypeLinearGradient:
680 case BrushTypeTextureFill:
681 /* Gdi32 isn't much help with these, so we should use brush_fill_pixels instead. */
682 default:
683 return 0;
687 static void brush_fill_path(GpGraphics *graphics, GpBrush* brush)
689 switch (brush->bt)
691 case BrushTypeSolidColor:
693 GpSolidFill *fill = (GpSolidFill*)brush;
694 if (fill->bmp)
696 RECT rc;
697 /* partially transparent fill */
699 SelectClipPath(graphics->hdc, RGN_AND);
700 if (GetClipBox(graphics->hdc, &rc) != NULLREGION)
702 HDC hdc = CreateCompatibleDC(NULL);
703 HBITMAP oldbmp;
704 BLENDFUNCTION bf;
706 if (!hdc) break;
708 oldbmp = SelectObject(hdc, fill->bmp);
710 bf.BlendOp = AC_SRC_OVER;
711 bf.BlendFlags = 0;
712 bf.SourceConstantAlpha = 255;
713 bf.AlphaFormat = AC_SRC_ALPHA;
715 GdiAlphaBlend(graphics->hdc, rc.left, rc.top, rc.right-rc.left, rc.bottom-rc.top, hdc, 0, 0, 1, 1, bf);
717 SelectObject(hdc, oldbmp);
718 DeleteDC(hdc);
721 break;
723 /* else fall through */
725 default:
726 SelectObject(graphics->hdc, brush->gdibrush);
727 FillPath(graphics->hdc);
728 break;
732 static INT brush_can_fill_pixels(GpBrush *brush)
734 switch (brush->bt)
736 case BrushTypeSolidColor:
737 case BrushTypeHatchFill:
738 case BrushTypeLinearGradient:
739 case BrushTypeTextureFill:
740 return 1;
741 default:
742 return 0;
746 static GpStatus brush_fill_pixels(GpGraphics *graphics, GpBrush *brush,
747 DWORD *argb_pixels, GpRect *fill_area, UINT cdwStride)
749 switch (brush->bt)
751 case BrushTypeSolidColor:
753 int x, y;
754 GpSolidFill *fill = (GpSolidFill*)brush;
755 for (x=0; x<fill_area->Width; x++)
756 for (y=0; y<fill_area->Height; y++)
757 argb_pixels[x + y*cdwStride] = fill->color;
758 return Ok;
760 case BrushTypeHatchFill:
762 int x, y;
763 GpHatch *fill = (GpHatch*)brush;
764 const char *hatch_data;
766 if (get_hatch_data(fill->hatchstyle, &hatch_data) != Ok)
767 return NotImplemented;
769 for (x=0; x<fill_area->Width; x++)
770 for (y=0; y<fill_area->Height; y++)
772 int hx, hy;
774 /* FIXME: Account for the rendering origin */
775 hx = (x + fill_area->X) % 8;
776 hy = (y + fill_area->Y) % 8;
778 if ((hatch_data[7-hy] & (0x80 >> hx)) != 0)
779 argb_pixels[x + y*cdwStride] = fill->forecol;
780 else
781 argb_pixels[x + y*cdwStride] = fill->backcol;
784 return Ok;
786 case BrushTypeLinearGradient:
788 GpLineGradient *fill = (GpLineGradient*)brush;
789 GpPointF draw_points[3], line_points[3];
790 GpStatus stat;
791 static const GpRectF box_1 = { 0.0, 0.0, 1.0, 1.0 };
792 GpMatrix *world_to_gradient; /* FIXME: Store this in the brush? */
793 int x, y;
795 draw_points[0].X = fill_area->X;
796 draw_points[0].Y = fill_area->Y;
797 draw_points[1].X = fill_area->X+1;
798 draw_points[1].Y = fill_area->Y;
799 draw_points[2].X = fill_area->X;
800 draw_points[2].Y = fill_area->Y+1;
802 /* Transform the points to a co-ordinate space where X is the point's
803 * position in the gradient, 0.0 being the start point and 1.0 the
804 * end point. */
805 stat = GdipTransformPoints(graphics, CoordinateSpaceWorld,
806 CoordinateSpaceDevice, draw_points, 3);
808 if (stat == Ok)
810 line_points[0] = fill->startpoint;
811 line_points[1] = fill->endpoint;
812 line_points[2].X = fill->startpoint.X + (fill->startpoint.Y - fill->endpoint.Y);
813 line_points[2].Y = fill->startpoint.Y + (fill->endpoint.X - fill->startpoint.X);
815 stat = GdipCreateMatrix3(&box_1, line_points, &world_to_gradient);
818 if (stat == Ok)
820 stat = GdipInvertMatrix(world_to_gradient);
822 if (stat == Ok)
823 stat = GdipTransformMatrixPoints(world_to_gradient, draw_points, 3);
825 GdipDeleteMatrix(world_to_gradient);
828 if (stat == Ok)
830 REAL x_delta = draw_points[1].X - draw_points[0].X;
831 REAL y_delta = draw_points[2].X - draw_points[0].X;
833 for (y=0; y<fill_area->Height; y++)
835 for (x=0; x<fill_area->Width; x++)
837 REAL pos = draw_points[0].X + x * x_delta + y * y_delta;
839 argb_pixels[x + y*cdwStride] = blend_line_gradient(fill, pos);
844 return stat;
846 case BrushTypeTextureFill:
848 GpTexture *fill = (GpTexture*)brush;
849 GpPointF draw_points[3];
850 GpStatus stat;
851 GpMatrix *world_to_texture;
852 int x, y;
853 GpBitmap *bitmap;
854 int src_stride;
855 GpRect src_area;
857 if (fill->image->type != ImageTypeBitmap)
859 FIXME("metafile texture brushes not implemented\n");
860 return NotImplemented;
863 bitmap = (GpBitmap*)fill->image;
864 src_stride = sizeof(ARGB) * bitmap->width;
866 src_area.X = src_area.Y = 0;
867 src_area.Width = bitmap->width;
868 src_area.Height = bitmap->height;
870 draw_points[0].X = fill_area->X;
871 draw_points[0].Y = fill_area->Y;
872 draw_points[1].X = fill_area->X+1;
873 draw_points[1].Y = fill_area->Y;
874 draw_points[2].X = fill_area->X;
875 draw_points[2].Y = fill_area->Y+1;
877 /* Transform the points to the co-ordinate space of the bitmap. */
878 stat = GdipTransformPoints(graphics, CoordinateSpaceWorld,
879 CoordinateSpaceDevice, draw_points, 3);
881 if (stat == Ok)
883 stat = GdipCloneMatrix(fill->transform, &world_to_texture);
886 if (stat == Ok)
888 stat = GdipInvertMatrix(world_to_texture);
890 if (stat == Ok)
891 stat = GdipTransformMatrixPoints(world_to_texture, draw_points, 3);
893 GdipDeleteMatrix(world_to_texture);
896 if (stat == Ok && !fill->bitmap_bits)
898 BitmapData lockeddata;
900 fill->bitmap_bits = GdipAlloc(sizeof(ARGB) * bitmap->width * bitmap->height);
901 if (!fill->bitmap_bits)
902 stat = OutOfMemory;
904 if (stat == Ok)
906 lockeddata.Width = bitmap->width;
907 lockeddata.Height = bitmap->height;
908 lockeddata.Stride = src_stride;
909 lockeddata.PixelFormat = PixelFormat32bppARGB;
910 lockeddata.Scan0 = fill->bitmap_bits;
912 stat = GdipBitmapLockBits(bitmap, &src_area, ImageLockModeRead|ImageLockModeUserInputBuf,
913 PixelFormat32bppARGB, &lockeddata);
916 if (stat == Ok)
917 stat = GdipBitmapUnlockBits(bitmap, &lockeddata);
919 if (stat == Ok)
920 apply_image_attributes(fill->imageattributes, fill->bitmap_bits,
921 bitmap->width, bitmap->height,
922 src_stride, ColorAdjustTypeBitmap);
924 if (stat != Ok)
926 GdipFree(fill->bitmap_bits);
927 fill->bitmap_bits = NULL;
931 if (stat == Ok)
933 REAL x_dx = draw_points[1].X - draw_points[0].X;
934 REAL x_dy = draw_points[1].Y - draw_points[0].Y;
935 REAL y_dx = draw_points[2].X - draw_points[0].X;
936 REAL y_dy = draw_points[2].Y - draw_points[0].Y;
938 for (y=0; y<fill_area->Height; y++)
940 for (x=0; x<fill_area->Width; x++)
942 GpPointF point;
943 point.X = draw_points[0].X + x * x_dx + y * y_dx;
944 point.Y = draw_points[0].Y + y * x_dy + y * y_dy;
946 argb_pixels[x + y*cdwStride] = resample_bitmap_pixel(
947 &src_area, fill->bitmap_bits, bitmap->width, bitmap->height,
948 &point, fill->imageattributes, graphics->interpolation);
953 return stat;
955 default:
956 return NotImplemented;
960 /* GdipDrawPie/GdipFillPie helper function */
961 static void draw_pie(GpGraphics *graphics, REAL x, REAL y, REAL width,
962 REAL height, REAL startAngle, REAL sweepAngle)
964 GpPointF ptf[4];
965 POINT pti[4];
967 ptf[0].X = x;
968 ptf[0].Y = y;
969 ptf[1].X = x + width;
970 ptf[1].Y = y + height;
972 deg2xy(startAngle+sweepAngle, x + width / 2.0, y + width / 2.0, &ptf[2].X, &ptf[2].Y);
973 deg2xy(startAngle, x + width / 2.0, y + width / 2.0, &ptf[3].X, &ptf[3].Y);
975 transform_and_round_points(graphics, pti, ptf, 4);
977 Pie(graphics->hdc, pti[0].x, pti[0].y, pti[1].x, pti[1].y, pti[2].x,
978 pti[2].y, pti[3].x, pti[3].y);
981 /* Draws the linecap the specified color and size on the hdc. The linecap is in
982 * direction of the line from x1, y1 to x2, y2 and is anchored on x2, y2. Probably
983 * should not be called on an hdc that has a path you care about. */
984 static void draw_cap(GpGraphics *graphics, COLORREF color, GpLineCap cap, REAL size,
985 const GpCustomLineCap *custom, REAL x1, REAL y1, REAL x2, REAL y2)
987 HGDIOBJ oldbrush = NULL, oldpen = NULL;
988 GpMatrix *matrix = NULL;
989 HBRUSH brush = NULL;
990 HPEN pen = NULL;
991 PointF ptf[4], *custptf = NULL;
992 POINT pt[4], *custpt = NULL;
993 BYTE *tp = NULL;
994 REAL theta, dsmall, dbig, dx, dy = 0.0;
995 INT i, count;
996 LOGBRUSH lb;
997 BOOL customstroke;
999 if((x1 == x2) && (y1 == y2))
1000 return;
1002 theta = gdiplus_atan2(y2 - y1, x2 - x1);
1004 customstroke = (cap == LineCapCustom) && custom && (!custom->fill);
1005 if(!customstroke){
1006 brush = CreateSolidBrush(color);
1007 lb.lbStyle = BS_SOLID;
1008 lb.lbColor = color;
1009 lb.lbHatch = 0;
1010 pen = ExtCreatePen(PS_GEOMETRIC | PS_SOLID | PS_ENDCAP_FLAT |
1011 PS_JOIN_MITER, 1, &lb, 0,
1012 NULL);
1013 oldbrush = SelectObject(graphics->hdc, brush);
1014 oldpen = SelectObject(graphics->hdc, pen);
1017 switch(cap){
1018 case LineCapFlat:
1019 break;
1020 case LineCapSquare:
1021 case LineCapSquareAnchor:
1022 case LineCapDiamondAnchor:
1023 size = size * (cap & LineCapNoAnchor ? ANCHOR_WIDTH : 1.0) / 2.0;
1024 if(cap == LineCapDiamondAnchor){
1025 dsmall = cos(theta + M_PI_2) * size;
1026 dbig = sin(theta + M_PI_2) * size;
1028 else{
1029 dsmall = cos(theta + M_PI_4) * size;
1030 dbig = sin(theta + M_PI_4) * size;
1033 ptf[0].X = x2 - dsmall;
1034 ptf[1].X = x2 + dbig;
1036 ptf[0].Y = y2 - dbig;
1037 ptf[3].Y = y2 + dsmall;
1039 ptf[1].Y = y2 - dsmall;
1040 ptf[2].Y = y2 + dbig;
1042 ptf[3].X = x2 - dbig;
1043 ptf[2].X = x2 + dsmall;
1045 transform_and_round_points(graphics, pt, ptf, 4);
1046 Polygon(graphics->hdc, pt, 4);
1048 break;
1049 case LineCapArrowAnchor:
1050 size = size * 4.0 / sqrt(3.0);
1052 dx = cos(M_PI / 6.0 + theta) * size;
1053 dy = sin(M_PI / 6.0 + theta) * size;
1055 ptf[0].X = x2 - dx;
1056 ptf[0].Y = y2 - dy;
1058 dx = cos(- M_PI / 6.0 + theta) * size;
1059 dy = sin(- M_PI / 6.0 + theta) * size;
1061 ptf[1].X = x2 - dx;
1062 ptf[1].Y = y2 - dy;
1064 ptf[2].X = x2;
1065 ptf[2].Y = y2;
1067 transform_and_round_points(graphics, pt, ptf, 3);
1068 Polygon(graphics->hdc, pt, 3);
1070 break;
1071 case LineCapRoundAnchor:
1072 dx = dy = ANCHOR_WIDTH * size / 2.0;
1074 ptf[0].X = x2 - dx;
1075 ptf[0].Y = y2 - dy;
1076 ptf[1].X = x2 + dx;
1077 ptf[1].Y = y2 + dy;
1079 transform_and_round_points(graphics, pt, ptf, 2);
1080 Ellipse(graphics->hdc, pt[0].x, pt[0].y, pt[1].x, pt[1].y);
1082 break;
1083 case LineCapTriangle:
1084 size = size / 2.0;
1085 dx = cos(M_PI_2 + theta) * size;
1086 dy = sin(M_PI_2 + theta) * size;
1088 ptf[0].X = x2 - dx;
1089 ptf[0].Y = y2 - dy;
1090 ptf[1].X = x2 + dx;
1091 ptf[1].Y = y2 + dy;
1093 dx = cos(theta) * size;
1094 dy = sin(theta) * size;
1096 ptf[2].X = x2 + dx;
1097 ptf[2].Y = y2 + dy;
1099 transform_and_round_points(graphics, pt, ptf, 3);
1100 Polygon(graphics->hdc, pt, 3);
1102 break;
1103 case LineCapRound:
1104 dx = dy = size / 2.0;
1106 ptf[0].X = x2 - dx;
1107 ptf[0].Y = y2 - dy;
1108 ptf[1].X = x2 + dx;
1109 ptf[1].Y = y2 + dy;
1111 dx = -cos(M_PI_2 + theta) * size;
1112 dy = -sin(M_PI_2 + theta) * size;
1114 ptf[2].X = x2 - dx;
1115 ptf[2].Y = y2 - dy;
1116 ptf[3].X = x2 + dx;
1117 ptf[3].Y = y2 + dy;
1119 transform_and_round_points(graphics, pt, ptf, 4);
1120 Pie(graphics->hdc, pt[0].x, pt[0].y, pt[1].x, pt[1].y, pt[2].x,
1121 pt[2].y, pt[3].x, pt[3].y);
1123 break;
1124 case LineCapCustom:
1125 if(!custom)
1126 break;
1128 count = custom->pathdata.Count;
1129 custptf = GdipAlloc(count * sizeof(PointF));
1130 custpt = GdipAlloc(count * sizeof(POINT));
1131 tp = GdipAlloc(count);
1133 if(!custptf || !custpt || !tp || (GdipCreateMatrix(&matrix) != Ok))
1134 goto custend;
1136 memcpy(custptf, custom->pathdata.Points, count * sizeof(PointF));
1138 GdipScaleMatrix(matrix, size, size, MatrixOrderAppend);
1139 GdipRotateMatrix(matrix, (180.0 / M_PI) * (theta - M_PI_2),
1140 MatrixOrderAppend);
1141 GdipTranslateMatrix(matrix, x2, y2, MatrixOrderAppend);
1142 GdipTransformMatrixPoints(matrix, custptf, count);
1144 transform_and_round_points(graphics, custpt, custptf, count);
1146 for(i = 0; i < count; i++)
1147 tp[i] = convert_path_point_type(custom->pathdata.Types[i]);
1149 if(custom->fill){
1150 BeginPath(graphics->hdc);
1151 PolyDraw(graphics->hdc, custpt, tp, count);
1152 EndPath(graphics->hdc);
1153 StrokeAndFillPath(graphics->hdc);
1155 else
1156 PolyDraw(graphics->hdc, custpt, tp, count);
1158 custend:
1159 GdipFree(custptf);
1160 GdipFree(custpt);
1161 GdipFree(tp);
1162 GdipDeleteMatrix(matrix);
1163 break;
1164 default:
1165 break;
1168 if(!customstroke){
1169 SelectObject(graphics->hdc, oldbrush);
1170 SelectObject(graphics->hdc, oldpen);
1171 DeleteObject(brush);
1172 DeleteObject(pen);
1176 /* Shortens the line by the given percent by changing x2, y2.
1177 * If percent is > 1.0 then the line will change direction.
1178 * If percent is negative it can lengthen the line. */
1179 static void shorten_line_percent(REAL x1, REAL y1, REAL *x2, REAL *y2, REAL percent)
1181 REAL dist, theta, dx, dy;
1183 if((y1 == *y2) && (x1 == *x2))
1184 return;
1186 dist = sqrt((*x2 - x1) * (*x2 - x1) + (*y2 - y1) * (*y2 - y1)) * -percent;
1187 theta = gdiplus_atan2((*y2 - y1), (*x2 - x1));
1188 dx = cos(theta) * dist;
1189 dy = sin(theta) * dist;
1191 *x2 = *x2 + dx;
1192 *y2 = *y2 + dy;
1195 /* Shortens the line by the given amount by changing x2, y2.
1196 * If the amount is greater than the distance, the line will become length 0.
1197 * If the amount is negative, it can lengthen the line. */
1198 static void shorten_line_amt(REAL x1, REAL y1, REAL *x2, REAL *y2, REAL amt)
1200 REAL dx, dy, percent;
1202 dx = *x2 - x1;
1203 dy = *y2 - y1;
1204 if(dx == 0 && dy == 0)
1205 return;
1207 percent = amt / sqrt(dx * dx + dy * dy);
1208 if(percent >= 1.0){
1209 *x2 = x1;
1210 *y2 = y1;
1211 return;
1214 shorten_line_percent(x1, y1, x2, y2, percent);
1217 /* Draws lines between the given points, and if caps is true then draws an endcap
1218 * at the end of the last line. */
1219 static GpStatus draw_polyline(GpGraphics *graphics, GpPen *pen,
1220 GDIPCONST GpPointF * pt, INT count, BOOL caps)
1222 POINT *pti = NULL;
1223 GpPointF *ptcopy = NULL;
1224 GpStatus status = GenericError;
1226 if(!count)
1227 return Ok;
1229 pti = GdipAlloc(count * sizeof(POINT));
1230 ptcopy = GdipAlloc(count * sizeof(GpPointF));
1232 if(!pti || !ptcopy){
1233 status = OutOfMemory;
1234 goto end;
1237 memcpy(ptcopy, pt, count * sizeof(GpPointF));
1239 if(caps){
1240 if(pen->endcap == LineCapArrowAnchor)
1241 shorten_line_amt(ptcopy[count-2].X, ptcopy[count-2].Y,
1242 &ptcopy[count-1].X, &ptcopy[count-1].Y, pen->width);
1243 else if((pen->endcap == LineCapCustom) && pen->customend)
1244 shorten_line_amt(ptcopy[count-2].X, ptcopy[count-2].Y,
1245 &ptcopy[count-1].X, &ptcopy[count-1].Y,
1246 pen->customend->inset * pen->width);
1248 if(pen->startcap == LineCapArrowAnchor)
1249 shorten_line_amt(ptcopy[1].X, ptcopy[1].Y,
1250 &ptcopy[0].X, &ptcopy[0].Y, pen->width);
1251 else if((pen->startcap == LineCapCustom) && pen->customstart)
1252 shorten_line_amt(ptcopy[1].X, ptcopy[1].Y,
1253 &ptcopy[0].X, &ptcopy[0].Y,
1254 pen->customstart->inset * pen->width);
1256 draw_cap(graphics, pen->brush->lb.lbColor, pen->endcap, pen->width, pen->customend,
1257 pt[count - 2].X, pt[count - 2].Y, pt[count - 1].X, pt[count - 1].Y);
1258 draw_cap(graphics, pen->brush->lb.lbColor, pen->startcap, pen->width, pen->customstart,
1259 pt[1].X, pt[1].Y, pt[0].X, pt[0].Y);
1262 transform_and_round_points(graphics, pti, ptcopy, count);
1264 if(Polyline(graphics->hdc, pti, count))
1265 status = Ok;
1267 end:
1268 GdipFree(pti);
1269 GdipFree(ptcopy);
1271 return status;
1274 /* Conducts a linear search to find the bezier points that will back off
1275 * the endpoint of the curve by a distance of amt. Linear search works
1276 * better than binary in this case because there are multiple solutions,
1277 * and binary searches often find a bad one. I don't think this is what
1278 * Windows does but short of rendering the bezier without GDI's help it's
1279 * the best we can do. If rev then work from the start of the passed points
1280 * instead of the end. */
1281 static void shorten_bezier_amt(GpPointF * pt, REAL amt, BOOL rev)
1283 GpPointF origpt[4];
1284 REAL percent = 0.00, dx, dy, origx, origy, diff = -1.0;
1285 INT i, first = 0, second = 1, third = 2, fourth = 3;
1287 if(rev){
1288 first = 3;
1289 second = 2;
1290 third = 1;
1291 fourth = 0;
1294 origx = pt[fourth].X;
1295 origy = pt[fourth].Y;
1296 memcpy(origpt, pt, sizeof(GpPointF) * 4);
1298 for(i = 0; (i < MAX_ITERS) && (diff < amt); i++){
1299 /* reset bezier points to original values */
1300 memcpy(pt, origpt, sizeof(GpPointF) * 4);
1301 /* Perform magic on bezier points. Order is important here.*/
1302 shorten_line_percent(pt[third].X, pt[third].Y, &pt[fourth].X, &pt[fourth].Y, percent);
1303 shorten_line_percent(pt[second].X, pt[second].Y, &pt[third].X, &pt[third].Y, percent);
1304 shorten_line_percent(pt[third].X, pt[third].Y, &pt[fourth].X, &pt[fourth].Y, percent);
1305 shorten_line_percent(pt[first].X, pt[first].Y, &pt[second].X, &pt[second].Y, percent);
1306 shorten_line_percent(pt[second].X, pt[second].Y, &pt[third].X, &pt[third].Y, percent);
1307 shorten_line_percent(pt[third].X, pt[third].Y, &pt[fourth].X, &pt[fourth].Y, percent);
1309 dx = pt[fourth].X - origx;
1310 dy = pt[fourth].Y - origy;
1312 diff = sqrt(dx * dx + dy * dy);
1313 percent += 0.0005 * amt;
1317 /* Draws bezier curves between given points, and if caps is true then draws an
1318 * endcap at the end of the last line. */
1319 static GpStatus draw_polybezier(GpGraphics *graphics, GpPen *pen,
1320 GDIPCONST GpPointF * pt, INT count, BOOL caps)
1322 POINT *pti;
1323 GpPointF *ptcopy;
1324 GpStatus status = GenericError;
1326 if(!count)
1327 return Ok;
1329 pti = GdipAlloc(count * sizeof(POINT));
1330 ptcopy = GdipAlloc(count * sizeof(GpPointF));
1332 if(!pti || !ptcopy){
1333 status = OutOfMemory;
1334 goto end;
1337 memcpy(ptcopy, pt, count * sizeof(GpPointF));
1339 if(caps){
1340 if(pen->endcap == LineCapArrowAnchor)
1341 shorten_bezier_amt(&ptcopy[count-4], pen->width, FALSE);
1342 else if((pen->endcap == LineCapCustom) && pen->customend)
1343 shorten_bezier_amt(&ptcopy[count-4], pen->width * pen->customend->inset,
1344 FALSE);
1346 if(pen->startcap == LineCapArrowAnchor)
1347 shorten_bezier_amt(ptcopy, pen->width, TRUE);
1348 else if((pen->startcap == LineCapCustom) && pen->customstart)
1349 shorten_bezier_amt(ptcopy, pen->width * pen->customstart->inset, TRUE);
1351 /* the direction of the line cap is parallel to the direction at the
1352 * end of the bezier (which, if it has been shortened, is not the same
1353 * as the direction from pt[count-2] to pt[count-1]) */
1354 draw_cap(graphics, pen->brush->lb.lbColor, pen->endcap, pen->width, pen->customend,
1355 pt[count - 1].X - (ptcopy[count - 1].X - ptcopy[count - 2].X),
1356 pt[count - 1].Y - (ptcopy[count - 1].Y - ptcopy[count - 2].Y),
1357 pt[count - 1].X, pt[count - 1].Y);
1359 draw_cap(graphics, pen->brush->lb.lbColor, pen->startcap, pen->width, pen->customstart,
1360 pt[0].X - (ptcopy[0].X - ptcopy[1].X),
1361 pt[0].Y - (ptcopy[0].Y - ptcopy[1].Y), pt[0].X, pt[0].Y);
1364 transform_and_round_points(graphics, pti, ptcopy, count);
1366 PolyBezier(graphics->hdc, pti, count);
1368 status = Ok;
1370 end:
1371 GdipFree(pti);
1372 GdipFree(ptcopy);
1374 return status;
1377 /* Draws a combination of bezier curves and lines between points. */
1378 static GpStatus draw_poly(GpGraphics *graphics, GpPen *pen, GDIPCONST GpPointF * pt,
1379 GDIPCONST BYTE * types, INT count, BOOL caps)
1381 POINT *pti = GdipAlloc(count * sizeof(POINT));
1382 BYTE *tp = GdipAlloc(count);
1383 GpPointF *ptcopy = GdipAlloc(count * sizeof(GpPointF));
1384 INT i, j;
1385 GpStatus status = GenericError;
1387 if(!count){
1388 status = Ok;
1389 goto end;
1391 if(!pti || !tp || !ptcopy){
1392 status = OutOfMemory;
1393 goto end;
1396 for(i = 1; i < count; i++){
1397 if((types[i] & PathPointTypePathTypeMask) == PathPointTypeBezier){
1398 if((i + 2 >= count) || !(types[i + 1] & PathPointTypeBezier)
1399 || !(types[i + 1] & PathPointTypeBezier)){
1400 ERR("Bad bezier points\n");
1401 goto end;
1403 i += 2;
1407 memcpy(ptcopy, pt, count * sizeof(GpPointF));
1409 /* If we are drawing caps, go through the points and adjust them accordingly,
1410 * and draw the caps. */
1411 if(caps){
1412 switch(types[count - 1] & PathPointTypePathTypeMask){
1413 case PathPointTypeBezier:
1414 if(pen->endcap == LineCapArrowAnchor)
1415 shorten_bezier_amt(&ptcopy[count - 4], pen->width, FALSE);
1416 else if((pen->endcap == LineCapCustom) && pen->customend)
1417 shorten_bezier_amt(&ptcopy[count - 4],
1418 pen->width * pen->customend->inset, FALSE);
1420 draw_cap(graphics, pen->brush->lb.lbColor, pen->endcap, pen->width, pen->customend,
1421 pt[count - 1].X - (ptcopy[count - 1].X - ptcopy[count - 2].X),
1422 pt[count - 1].Y - (ptcopy[count - 1].Y - ptcopy[count - 2].Y),
1423 pt[count - 1].X, pt[count - 1].Y);
1425 break;
1426 case PathPointTypeLine:
1427 if(pen->endcap == LineCapArrowAnchor)
1428 shorten_line_amt(ptcopy[count - 2].X, ptcopy[count - 2].Y,
1429 &ptcopy[count - 1].X, &ptcopy[count - 1].Y,
1430 pen->width);
1431 else if((pen->endcap == LineCapCustom) && pen->customend)
1432 shorten_line_amt(ptcopy[count - 2].X, ptcopy[count - 2].Y,
1433 &ptcopy[count - 1].X, &ptcopy[count - 1].Y,
1434 pen->customend->inset * pen->width);
1436 draw_cap(graphics, pen->brush->lb.lbColor, pen->endcap, pen->width, pen->customend,
1437 pt[count - 2].X, pt[count - 2].Y, pt[count - 1].X,
1438 pt[count - 1].Y);
1440 break;
1441 default:
1442 ERR("Bad path last point\n");
1443 goto end;
1446 /* Find start of points */
1447 for(j = 1; j < count && ((types[j] & PathPointTypePathTypeMask)
1448 == PathPointTypeStart); j++);
1450 switch(types[j] & PathPointTypePathTypeMask){
1451 case PathPointTypeBezier:
1452 if(pen->startcap == LineCapArrowAnchor)
1453 shorten_bezier_amt(&ptcopy[j - 1], pen->width, TRUE);
1454 else if((pen->startcap == LineCapCustom) && pen->customstart)
1455 shorten_bezier_amt(&ptcopy[j - 1],
1456 pen->width * pen->customstart->inset, TRUE);
1458 draw_cap(graphics, pen->brush->lb.lbColor, pen->startcap, pen->width, pen->customstart,
1459 pt[j - 1].X - (ptcopy[j - 1].X - ptcopy[j].X),
1460 pt[j - 1].Y - (ptcopy[j - 1].Y - ptcopy[j].Y),
1461 pt[j - 1].X, pt[j - 1].Y);
1463 break;
1464 case PathPointTypeLine:
1465 if(pen->startcap == LineCapArrowAnchor)
1466 shorten_line_amt(ptcopy[j].X, ptcopy[j].Y,
1467 &ptcopy[j - 1].X, &ptcopy[j - 1].Y,
1468 pen->width);
1469 else if((pen->startcap == LineCapCustom) && pen->customstart)
1470 shorten_line_amt(ptcopy[j].X, ptcopy[j].Y,
1471 &ptcopy[j - 1].X, &ptcopy[j - 1].Y,
1472 pen->customstart->inset * pen->width);
1474 draw_cap(graphics, pen->brush->lb.lbColor, pen->startcap, pen->width, pen->customstart,
1475 pt[j].X, pt[j].Y, pt[j - 1].X,
1476 pt[j - 1].Y);
1478 break;
1479 default:
1480 ERR("Bad path points\n");
1481 goto end;
1485 transform_and_round_points(graphics, pti, ptcopy, count);
1487 for(i = 0; i < count; i++){
1488 tp[i] = convert_path_point_type(types[i]);
1491 PolyDraw(graphics->hdc, pti, tp, count);
1493 status = Ok;
1495 end:
1496 GdipFree(pti);
1497 GdipFree(ptcopy);
1498 GdipFree(tp);
1500 return status;
1503 GpStatus trace_path(GpGraphics *graphics, GpPath *path)
1505 GpStatus result;
1507 BeginPath(graphics->hdc);
1508 result = draw_poly(graphics, NULL, path->pathdata.Points,
1509 path->pathdata.Types, path->pathdata.Count, FALSE);
1510 EndPath(graphics->hdc);
1511 return result;
1514 typedef struct _GraphicsContainerItem {
1515 struct list entry;
1516 GraphicsContainer contid;
1518 SmoothingMode smoothing;
1519 CompositingQuality compqual;
1520 InterpolationMode interpolation;
1521 CompositingMode compmode;
1522 TextRenderingHint texthint;
1523 REAL scale;
1524 GpUnit unit;
1525 PixelOffsetMode pixeloffset;
1526 UINT textcontrast;
1527 GpMatrix* worldtrans;
1528 GpRegion* clip;
1529 } GraphicsContainerItem;
1531 static GpStatus init_container(GraphicsContainerItem** container,
1532 GDIPCONST GpGraphics* graphics){
1533 GpStatus sts;
1535 *container = GdipAlloc(sizeof(GraphicsContainerItem));
1536 if(!(*container))
1537 return OutOfMemory;
1539 (*container)->contid = graphics->contid + 1;
1541 (*container)->smoothing = graphics->smoothing;
1542 (*container)->compqual = graphics->compqual;
1543 (*container)->interpolation = graphics->interpolation;
1544 (*container)->compmode = graphics->compmode;
1545 (*container)->texthint = graphics->texthint;
1546 (*container)->scale = graphics->scale;
1547 (*container)->unit = graphics->unit;
1548 (*container)->textcontrast = graphics->textcontrast;
1549 (*container)->pixeloffset = graphics->pixeloffset;
1551 sts = GdipCloneMatrix(graphics->worldtrans, &(*container)->worldtrans);
1552 if(sts != Ok){
1553 GdipFree(*container);
1554 *container = NULL;
1555 return sts;
1558 sts = GdipCloneRegion(graphics->clip, &(*container)->clip);
1559 if(sts != Ok){
1560 GdipDeleteMatrix((*container)->worldtrans);
1561 GdipFree(*container);
1562 *container = NULL;
1563 return sts;
1566 return Ok;
1569 static void delete_container(GraphicsContainerItem* container){
1570 GdipDeleteMatrix(container->worldtrans);
1571 GdipDeleteRegion(container->clip);
1572 GdipFree(container);
1575 static GpStatus restore_container(GpGraphics* graphics,
1576 GDIPCONST GraphicsContainerItem* container){
1577 GpStatus sts;
1578 GpMatrix *newTrans;
1579 GpRegion *newClip;
1581 sts = GdipCloneMatrix(container->worldtrans, &newTrans);
1582 if(sts != Ok)
1583 return sts;
1585 sts = GdipCloneRegion(container->clip, &newClip);
1586 if(sts != Ok){
1587 GdipDeleteMatrix(newTrans);
1588 return sts;
1591 GdipDeleteMatrix(graphics->worldtrans);
1592 graphics->worldtrans = newTrans;
1594 GdipDeleteRegion(graphics->clip);
1595 graphics->clip = newClip;
1597 graphics->contid = container->contid - 1;
1599 graphics->smoothing = container->smoothing;
1600 graphics->compqual = container->compqual;
1601 graphics->interpolation = container->interpolation;
1602 graphics->compmode = container->compmode;
1603 graphics->texthint = container->texthint;
1604 graphics->scale = container->scale;
1605 graphics->unit = container->unit;
1606 graphics->textcontrast = container->textcontrast;
1607 graphics->pixeloffset = container->pixeloffset;
1609 return Ok;
1612 static GpStatus get_graphics_bounds(GpGraphics* graphics, GpRectF* rect)
1614 RECT wnd_rect;
1615 GpStatus stat=Ok;
1616 GpUnit unit;
1618 if(graphics->hwnd) {
1619 if(!GetClientRect(graphics->hwnd, &wnd_rect))
1620 return GenericError;
1622 rect->X = wnd_rect.left;
1623 rect->Y = wnd_rect.top;
1624 rect->Width = wnd_rect.right - wnd_rect.left;
1625 rect->Height = wnd_rect.bottom - wnd_rect.top;
1626 }else if (graphics->image){
1627 stat = GdipGetImageBounds(graphics->image, rect, &unit);
1628 if (stat == Ok && unit != UnitPixel)
1629 FIXME("need to convert from unit %i\n", unit);
1630 }else{
1631 rect->X = 0;
1632 rect->Y = 0;
1633 rect->Width = GetDeviceCaps(graphics->hdc, HORZRES);
1634 rect->Height = GetDeviceCaps(graphics->hdc, VERTRES);
1637 return stat;
1640 /* on success, rgn will contain the region of the graphics object which
1641 * is visible after clipping has been applied */
1642 static GpStatus get_visible_clip_region(GpGraphics *graphics, GpRegion *rgn)
1644 GpStatus stat;
1645 GpRectF rectf;
1646 GpRegion* tmp;
1648 if((stat = get_graphics_bounds(graphics, &rectf)) != Ok)
1649 return stat;
1651 if((stat = GdipCreateRegion(&tmp)) != Ok)
1652 return stat;
1654 if((stat = GdipCombineRegionRect(tmp, &rectf, CombineModeReplace)) != Ok)
1655 goto end;
1657 if((stat = GdipCombineRegionRegion(tmp, graphics->clip, CombineModeIntersect)) != Ok)
1658 goto end;
1660 stat = GdipCombineRegionRegion(rgn, tmp, CombineModeReplace);
1662 end:
1663 GdipDeleteRegion(tmp);
1664 return stat;
1667 void get_font_hfont(GpGraphics *graphics, GDIPCONST GpFont *font, HFONT *hfont)
1669 HDC hdc = CreateCompatibleDC(0);
1670 GpPointF pt[3];
1671 REAL angle, rel_width, rel_height;
1672 LOGFONTW lfw;
1673 HFONT unscaled_font;
1674 TEXTMETRICW textmet;
1676 pt[0].X = 0.0;
1677 pt[0].Y = 0.0;
1678 pt[1].X = 1.0;
1679 pt[1].Y = 0.0;
1680 pt[2].X = 0.0;
1681 pt[2].Y = 1.0;
1682 if (graphics)
1683 GdipTransformPoints(graphics, CoordinateSpaceDevice, CoordinateSpaceWorld, pt, 3);
1684 angle = -gdiplus_atan2((pt[1].Y - pt[0].Y), (pt[1].X - pt[0].X));
1685 rel_width = sqrt((pt[1].Y-pt[0].Y)*(pt[1].Y-pt[0].Y)+
1686 (pt[1].X-pt[0].X)*(pt[1].X-pt[0].X));
1687 rel_height = sqrt((pt[2].Y-pt[0].Y)*(pt[2].Y-pt[0].Y)+
1688 (pt[2].X-pt[0].X)*(pt[2].X-pt[0].X));
1690 lfw = font->lfw;
1691 lfw.lfHeight = roundr(-font->pixel_size * rel_height);
1692 unscaled_font = CreateFontIndirectW(&lfw);
1694 SelectObject(hdc, unscaled_font);
1695 GetTextMetricsW(hdc, &textmet);
1697 lfw = font->lfw;
1698 lfw.lfHeight = roundr(-font->pixel_size * rel_height);
1699 lfw.lfWidth = roundr(textmet.tmAveCharWidth * rel_width / rel_height);
1700 lfw.lfEscapement = lfw.lfOrientation = roundr((angle / M_PI) * 1800.0);
1702 *hfont = CreateFontIndirectW(&lfw);
1704 DeleteDC(hdc);
1705 DeleteObject(unscaled_font);
1708 GpStatus WINGDIPAPI GdipCreateFromHDC(HDC hdc, GpGraphics **graphics)
1710 TRACE("(%p, %p)\n", hdc, graphics);
1712 return GdipCreateFromHDC2(hdc, NULL, graphics);
1715 GpStatus WINGDIPAPI GdipCreateFromHDC2(HDC hdc, HANDLE hDevice, GpGraphics **graphics)
1717 GpStatus retval;
1719 TRACE("(%p, %p, %p)\n", hdc, hDevice, graphics);
1721 if(hDevice != NULL) {
1722 FIXME("Don't know how to handle parameter hDevice\n");
1723 return NotImplemented;
1726 if(hdc == NULL)
1727 return OutOfMemory;
1729 if(graphics == NULL)
1730 return InvalidParameter;
1732 *graphics = GdipAlloc(sizeof(GpGraphics));
1733 if(!*graphics) return OutOfMemory;
1735 if((retval = GdipCreateMatrix(&(*graphics)->worldtrans)) != Ok){
1736 GdipFree(*graphics);
1737 return retval;
1740 if((retval = GdipCreateRegion(&(*graphics)->clip)) != Ok){
1741 GdipFree((*graphics)->worldtrans);
1742 GdipFree(*graphics);
1743 return retval;
1746 (*graphics)->hdc = hdc;
1747 (*graphics)->hwnd = WindowFromDC(hdc);
1748 (*graphics)->owndc = FALSE;
1749 (*graphics)->smoothing = SmoothingModeDefault;
1750 (*graphics)->compqual = CompositingQualityDefault;
1751 (*graphics)->interpolation = InterpolationModeBilinear;
1752 (*graphics)->pixeloffset = PixelOffsetModeDefault;
1753 (*graphics)->compmode = CompositingModeSourceOver;
1754 (*graphics)->unit = UnitDisplay;
1755 (*graphics)->scale = 1.0;
1756 (*graphics)->busy = FALSE;
1757 (*graphics)->textcontrast = 4;
1758 list_init(&(*graphics)->containers);
1759 (*graphics)->contid = 0;
1761 TRACE("<-- %p\n", *graphics);
1763 return Ok;
1766 GpStatus graphics_from_image(GpImage *image, GpGraphics **graphics)
1768 GpStatus retval;
1770 *graphics = GdipAlloc(sizeof(GpGraphics));
1771 if(!*graphics) return OutOfMemory;
1773 if((retval = GdipCreateMatrix(&(*graphics)->worldtrans)) != Ok){
1774 GdipFree(*graphics);
1775 return retval;
1778 if((retval = GdipCreateRegion(&(*graphics)->clip)) != Ok){
1779 GdipFree((*graphics)->worldtrans);
1780 GdipFree(*graphics);
1781 return retval;
1784 (*graphics)->hdc = NULL;
1785 (*graphics)->hwnd = NULL;
1786 (*graphics)->owndc = FALSE;
1787 (*graphics)->image = image;
1788 (*graphics)->smoothing = SmoothingModeDefault;
1789 (*graphics)->compqual = CompositingQualityDefault;
1790 (*graphics)->interpolation = InterpolationModeBilinear;
1791 (*graphics)->pixeloffset = PixelOffsetModeDefault;
1792 (*graphics)->compmode = CompositingModeSourceOver;
1793 (*graphics)->unit = UnitDisplay;
1794 (*graphics)->scale = 1.0;
1795 (*graphics)->busy = FALSE;
1796 (*graphics)->textcontrast = 4;
1797 list_init(&(*graphics)->containers);
1798 (*graphics)->contid = 0;
1800 TRACE("<-- %p\n", *graphics);
1802 return Ok;
1805 GpStatus WINGDIPAPI GdipCreateFromHWND(HWND hwnd, GpGraphics **graphics)
1807 GpStatus ret;
1808 HDC hdc;
1810 TRACE("(%p, %p)\n", hwnd, graphics);
1812 hdc = GetDC(hwnd);
1814 if((ret = GdipCreateFromHDC(hdc, graphics)) != Ok)
1816 ReleaseDC(hwnd, hdc);
1817 return ret;
1820 (*graphics)->hwnd = hwnd;
1821 (*graphics)->owndc = TRUE;
1823 return Ok;
1826 /* FIXME: no icm handling */
1827 GpStatus WINGDIPAPI GdipCreateFromHWNDICM(HWND hwnd, GpGraphics **graphics)
1829 TRACE("(%p, %p)\n", hwnd, graphics);
1831 return GdipCreateFromHWND(hwnd, graphics);
1834 GpStatus WINGDIPAPI GdipCreateMetafileFromEmf(HENHMETAFILE hemf, BOOL delete,
1835 GpMetafile **metafile)
1837 static int calls;
1839 TRACE("(%p,%i,%p)\n", hemf, delete, metafile);
1841 if(!hemf || !metafile)
1842 return InvalidParameter;
1844 if(!(calls++))
1845 FIXME("not implemented\n");
1847 return NotImplemented;
1850 GpStatus WINGDIPAPI GdipCreateMetafileFromWmf(HMETAFILE hwmf, BOOL delete,
1851 GDIPCONST WmfPlaceableFileHeader * placeable, GpMetafile **metafile)
1853 IStream *stream = NULL;
1854 UINT read;
1855 BYTE* copy;
1856 HENHMETAFILE hemf;
1857 GpStatus retval = Ok;
1859 TRACE("(%p, %d, %p, %p)\n", hwmf, delete, placeable, metafile);
1861 if(!hwmf || !metafile || !placeable)
1862 return InvalidParameter;
1864 *metafile = NULL;
1865 read = GetMetaFileBitsEx(hwmf, 0, NULL);
1866 if(!read)
1867 return GenericError;
1868 copy = GdipAlloc(read);
1869 GetMetaFileBitsEx(hwmf, read, copy);
1871 hemf = SetWinMetaFileBits(read, copy, NULL, NULL);
1872 GdipFree(copy);
1874 read = GetEnhMetaFileBits(hemf, 0, NULL);
1875 copy = GdipAlloc(read);
1876 GetEnhMetaFileBits(hemf, read, copy);
1877 DeleteEnhMetaFile(hemf);
1879 if(CreateStreamOnHGlobal(copy, TRUE, &stream) != S_OK){
1880 ERR("could not make stream\n");
1881 GdipFree(copy);
1882 retval = GenericError;
1883 goto err;
1886 *metafile = GdipAlloc(sizeof(GpMetafile));
1887 if(!*metafile){
1888 retval = OutOfMemory;
1889 goto err;
1892 if(OleLoadPicture(stream, 0, FALSE, &IID_IPicture,
1893 (LPVOID*) &((*metafile)->image.picture)) != S_OK)
1895 retval = GenericError;
1896 goto err;
1900 (*metafile)->image.type = ImageTypeMetafile;
1901 memcpy(&(*metafile)->image.format, &ImageFormatWMF, sizeof(GUID));
1902 (*metafile)->image.palette_flags = 0;
1903 (*metafile)->image.palette_count = 0;
1904 (*metafile)->image.palette_size = 0;
1905 (*metafile)->image.palette_entries = NULL;
1906 (*metafile)->image.xres = (REAL)placeable->Inch;
1907 (*metafile)->image.yres = (REAL)placeable->Inch;
1908 (*metafile)->bounds.X = ((REAL) placeable->BoundingBox.Left) / ((REAL) placeable->Inch);
1909 (*metafile)->bounds.Y = ((REAL) placeable->BoundingBox.Top) / ((REAL) placeable->Inch);
1910 (*metafile)->bounds.Width = ((REAL) (placeable->BoundingBox.Right
1911 - placeable->BoundingBox.Left));
1912 (*metafile)->bounds.Height = ((REAL) (placeable->BoundingBox.Bottom
1913 - placeable->BoundingBox.Top));
1914 (*metafile)->unit = UnitPixel;
1916 if(delete)
1917 DeleteMetaFile(hwmf);
1919 TRACE("<-- %p\n", *metafile);
1921 err:
1922 if (retval != Ok)
1923 GdipFree(*metafile);
1924 IStream_Release(stream);
1925 return retval;
1928 GpStatus WINGDIPAPI GdipCreateMetafileFromWmfFile(GDIPCONST WCHAR *file,
1929 GDIPCONST WmfPlaceableFileHeader * placeable, GpMetafile **metafile)
1931 HMETAFILE hmf = GetMetaFileW(file);
1933 TRACE("(%s, %p, %p)\n", debugstr_w(file), placeable, metafile);
1935 if(!hmf) return InvalidParameter;
1937 return GdipCreateMetafileFromWmf(hmf, TRUE, placeable, metafile);
1940 GpStatus WINGDIPAPI GdipCreateMetafileFromFile(GDIPCONST WCHAR *file,
1941 GpMetafile **metafile)
1943 FIXME("(%p, %p): stub\n", file, metafile);
1944 return NotImplemented;
1947 GpStatus WINGDIPAPI GdipCreateMetafileFromStream(IStream *stream,
1948 GpMetafile **metafile)
1950 FIXME("(%p, %p): stub\n", stream, metafile);
1951 return NotImplemented;
1954 GpStatus WINGDIPAPI GdipCreateStreamOnFile(GDIPCONST WCHAR * filename,
1955 UINT access, IStream **stream)
1957 DWORD dwMode;
1958 HRESULT ret;
1960 TRACE("(%s, %u, %p)\n", debugstr_w(filename), access, stream);
1962 if(!stream || !filename)
1963 return InvalidParameter;
1965 if(access & GENERIC_WRITE)
1966 dwMode = STGM_SHARE_DENY_WRITE | STGM_WRITE | STGM_CREATE;
1967 else if(access & GENERIC_READ)
1968 dwMode = STGM_SHARE_DENY_WRITE | STGM_READ | STGM_FAILIFTHERE;
1969 else
1970 return InvalidParameter;
1972 ret = SHCreateStreamOnFileW(filename, dwMode, stream);
1974 return hresult_to_status(ret);
1977 GpStatus WINGDIPAPI GdipDeleteGraphics(GpGraphics *graphics)
1979 GraphicsContainerItem *cont, *next;
1980 GpStatus stat;
1981 TRACE("(%p)\n", graphics);
1983 if(!graphics) return InvalidParameter;
1984 if(graphics->busy) return ObjectBusy;
1986 if (graphics->image && graphics->image->type == ImageTypeMetafile)
1988 stat = METAFILE_GraphicsDeleted((GpMetafile*)graphics->image);
1989 if (stat != Ok)
1990 return stat;
1993 if(graphics->owndc)
1994 ReleaseDC(graphics->hwnd, graphics->hdc);
1996 LIST_FOR_EACH_ENTRY_SAFE(cont, next, &graphics->containers, GraphicsContainerItem, entry){
1997 list_remove(&cont->entry);
1998 delete_container(cont);
2001 GdipDeleteRegion(graphics->clip);
2002 GdipDeleteMatrix(graphics->worldtrans);
2003 GdipFree(graphics);
2005 return Ok;
2008 GpStatus WINGDIPAPI GdipDrawArc(GpGraphics *graphics, GpPen *pen, REAL x,
2009 REAL y, REAL width, REAL height, REAL startAngle, REAL sweepAngle)
2011 INT save_state, num_pts;
2012 GpPointF points[MAX_ARC_PTS];
2013 GpStatus retval;
2015 TRACE("(%p, %p, %.2f, %.2f, %.2f, %.2f, %.2f, %.2f)\n", graphics, pen, x, y,
2016 width, height, startAngle, sweepAngle);
2018 if(!graphics || !pen || width <= 0 || height <= 0)
2019 return InvalidParameter;
2021 if(graphics->busy)
2022 return ObjectBusy;
2024 if (!graphics->hdc)
2026 FIXME("graphics object has no HDC\n");
2027 return Ok;
2030 num_pts = arc2polybezier(points, x, y, width, height, startAngle, sweepAngle);
2032 save_state = prepare_dc(graphics, pen);
2034 retval = draw_polybezier(graphics, pen, points, num_pts, TRUE);
2036 restore_dc(graphics, save_state);
2038 return retval;
2041 GpStatus WINGDIPAPI GdipDrawArcI(GpGraphics *graphics, GpPen *pen, INT x,
2042 INT y, INT width, INT height, REAL startAngle, REAL sweepAngle)
2044 TRACE("(%p, %p, %d, %d, %d, %d, %.2f, %.2f)\n", graphics, pen, x, y,
2045 width, height, startAngle, sweepAngle);
2047 return GdipDrawArc(graphics,pen,(REAL)x,(REAL)y,(REAL)width,(REAL)height,startAngle,sweepAngle);
2050 GpStatus WINGDIPAPI GdipDrawBezier(GpGraphics *graphics, GpPen *pen, REAL x1,
2051 REAL y1, REAL x2, REAL y2, REAL x3, REAL y3, REAL x4, REAL y4)
2053 INT save_state;
2054 GpPointF pt[4];
2055 GpStatus retval;
2057 TRACE("(%p, %p, %.2f, %.2f, %.2f, %.2f, %.2f, %.2f, %.2f, %.2f)\n", graphics, pen, x1, y1,
2058 x2, y2, x3, y3, x4, y4);
2060 if(!graphics || !pen)
2061 return InvalidParameter;
2063 if(graphics->busy)
2064 return ObjectBusy;
2066 if (!graphics->hdc)
2068 FIXME("graphics object has no HDC\n");
2069 return Ok;
2072 pt[0].X = x1;
2073 pt[0].Y = y1;
2074 pt[1].X = x2;
2075 pt[1].Y = y2;
2076 pt[2].X = x3;
2077 pt[2].Y = y3;
2078 pt[3].X = x4;
2079 pt[3].Y = y4;
2081 save_state = prepare_dc(graphics, pen);
2083 retval = draw_polybezier(graphics, pen, pt, 4, TRUE);
2085 restore_dc(graphics, save_state);
2087 return retval;
2090 GpStatus WINGDIPAPI GdipDrawBezierI(GpGraphics *graphics, GpPen *pen, INT x1,
2091 INT y1, INT x2, INT y2, INT x3, INT y3, INT x4, INT y4)
2093 INT save_state;
2094 GpPointF pt[4];
2095 GpStatus retval;
2097 TRACE("(%p, %p, %d, %d, %d, %d, %d, %d, %d, %d)\n", graphics, pen, x1, y1,
2098 x2, y2, x3, y3, x4, y4);
2100 if(!graphics || !pen)
2101 return InvalidParameter;
2103 if(graphics->busy)
2104 return ObjectBusy;
2106 if (!graphics->hdc)
2108 FIXME("graphics object has no HDC\n");
2109 return Ok;
2112 pt[0].X = x1;
2113 pt[0].Y = y1;
2114 pt[1].X = x2;
2115 pt[1].Y = y2;
2116 pt[2].X = x3;
2117 pt[2].Y = y3;
2118 pt[3].X = x4;
2119 pt[3].Y = y4;
2121 save_state = prepare_dc(graphics, pen);
2123 retval = draw_polybezier(graphics, pen, pt, 4, TRUE);
2125 restore_dc(graphics, save_state);
2127 return retval;
2130 GpStatus WINGDIPAPI GdipDrawBeziers(GpGraphics *graphics, GpPen *pen,
2131 GDIPCONST GpPointF *points, INT count)
2133 INT i;
2134 GpStatus ret;
2136 TRACE("(%p, %p, %p, %d)\n", graphics, pen, points, count);
2138 if(!graphics || !pen || !points || (count <= 0))
2139 return InvalidParameter;
2141 if(graphics->busy)
2142 return ObjectBusy;
2144 for(i = 0; i < floor(count / 4); i++){
2145 ret = GdipDrawBezier(graphics, pen,
2146 points[4*i].X, points[4*i].Y,
2147 points[4*i + 1].X, points[4*i + 1].Y,
2148 points[4*i + 2].X, points[4*i + 2].Y,
2149 points[4*i + 3].X, points[4*i + 3].Y);
2150 if(ret != Ok)
2151 return ret;
2154 return Ok;
2157 GpStatus WINGDIPAPI GdipDrawBeziersI(GpGraphics *graphics, GpPen *pen,
2158 GDIPCONST GpPoint *points, INT count)
2160 GpPointF *pts;
2161 GpStatus ret;
2162 INT i;
2164 TRACE("(%p, %p, %p, %d)\n", graphics, pen, points, count);
2166 if(!graphics || !pen || !points || (count <= 0))
2167 return InvalidParameter;
2169 if(graphics->busy)
2170 return ObjectBusy;
2172 pts = GdipAlloc(sizeof(GpPointF) * count);
2173 if(!pts)
2174 return OutOfMemory;
2176 for(i = 0; i < count; i++){
2177 pts[i].X = (REAL)points[i].X;
2178 pts[i].Y = (REAL)points[i].Y;
2181 ret = GdipDrawBeziers(graphics,pen,pts,count);
2183 GdipFree(pts);
2185 return ret;
2188 GpStatus WINGDIPAPI GdipDrawClosedCurve(GpGraphics *graphics, GpPen *pen,
2189 GDIPCONST GpPointF *points, INT count)
2191 TRACE("(%p, %p, %p, %d)\n", graphics, pen, points, count);
2193 return GdipDrawClosedCurve2(graphics, pen, points, count, 1.0);
2196 GpStatus WINGDIPAPI GdipDrawClosedCurveI(GpGraphics *graphics, GpPen *pen,
2197 GDIPCONST GpPoint *points, INT count)
2199 TRACE("(%p, %p, %p, %d)\n", graphics, pen, points, count);
2201 return GdipDrawClosedCurve2I(graphics, pen, points, count, 1.0);
2204 GpStatus WINGDIPAPI GdipDrawClosedCurve2(GpGraphics *graphics, GpPen *pen,
2205 GDIPCONST GpPointF *points, INT count, REAL tension)
2207 GpPath *path;
2208 GpStatus stat;
2210 TRACE("(%p, %p, %p, %d, %.2f)\n", graphics, pen, points, count, tension);
2212 if(!graphics || !pen || !points || count <= 0)
2213 return InvalidParameter;
2215 if(graphics->busy)
2216 return ObjectBusy;
2218 if((stat = GdipCreatePath(FillModeAlternate, &path)) != Ok)
2219 return stat;
2221 stat = GdipAddPathClosedCurve2(path, points, count, tension);
2222 if(stat != Ok){
2223 GdipDeletePath(path);
2224 return stat;
2227 stat = GdipDrawPath(graphics, pen, path);
2229 GdipDeletePath(path);
2231 return stat;
2234 GpStatus WINGDIPAPI GdipDrawClosedCurve2I(GpGraphics *graphics, GpPen *pen,
2235 GDIPCONST GpPoint *points, INT count, REAL tension)
2237 GpPointF *ptf;
2238 GpStatus stat;
2239 INT i;
2241 TRACE("(%p, %p, %p, %d, %.2f)\n", graphics, pen, points, count, tension);
2243 if(!points || count <= 0)
2244 return InvalidParameter;
2246 ptf = GdipAlloc(sizeof(GpPointF)*count);
2247 if(!ptf)
2248 return OutOfMemory;
2250 for(i = 0; i < count; i++){
2251 ptf[i].X = (REAL)points[i].X;
2252 ptf[i].Y = (REAL)points[i].Y;
2255 stat = GdipDrawClosedCurve2(graphics, pen, ptf, count, tension);
2257 GdipFree(ptf);
2259 return stat;
2262 GpStatus WINGDIPAPI GdipDrawCurve(GpGraphics *graphics, GpPen *pen,
2263 GDIPCONST GpPointF *points, INT count)
2265 TRACE("(%p, %p, %p, %d)\n", graphics, pen, points, count);
2267 return GdipDrawCurve2(graphics,pen,points,count,1.0);
2270 GpStatus WINGDIPAPI GdipDrawCurveI(GpGraphics *graphics, GpPen *pen,
2271 GDIPCONST GpPoint *points, INT count)
2273 GpPointF *pointsF;
2274 GpStatus ret;
2275 INT i;
2277 TRACE("(%p, %p, %p, %d)\n", graphics, pen, points, count);
2279 if(!points)
2280 return InvalidParameter;
2282 pointsF = GdipAlloc(sizeof(GpPointF)*count);
2283 if(!pointsF)
2284 return OutOfMemory;
2286 for(i = 0; i < count; i++){
2287 pointsF[i].X = (REAL)points[i].X;
2288 pointsF[i].Y = (REAL)points[i].Y;
2291 ret = GdipDrawCurve(graphics,pen,pointsF,count);
2292 GdipFree(pointsF);
2294 return ret;
2297 /* Approximates cardinal spline with Bezier curves. */
2298 GpStatus WINGDIPAPI GdipDrawCurve2(GpGraphics *graphics, GpPen *pen,
2299 GDIPCONST GpPointF *points, INT count, REAL tension)
2301 /* PolyBezier expects count*3-2 points. */
2302 INT i, len_pt = count*3-2, save_state;
2303 GpPointF *pt;
2304 REAL x1, x2, y1, y2;
2305 GpStatus retval;
2307 TRACE("(%p, %p, %p, %d, %.2f)\n", graphics, pen, points, count, tension);
2309 if(!graphics || !pen)
2310 return InvalidParameter;
2312 if(graphics->busy)
2313 return ObjectBusy;
2315 if(count < 2)
2316 return InvalidParameter;
2318 if (!graphics->hdc)
2320 FIXME("graphics object has no HDC\n");
2321 return Ok;
2324 pt = GdipAlloc(len_pt * sizeof(GpPointF));
2325 if(!pt)
2326 return OutOfMemory;
2328 tension = tension * TENSION_CONST;
2330 calc_curve_bezier_endp(points[0].X, points[0].Y, points[1].X, points[1].Y,
2331 tension, &x1, &y1);
2333 pt[0].X = points[0].X;
2334 pt[0].Y = points[0].Y;
2335 pt[1].X = x1;
2336 pt[1].Y = y1;
2338 for(i = 0; i < count-2; i++){
2339 calc_curve_bezier(&(points[i]), tension, &x1, &y1, &x2, &y2);
2341 pt[3*i+2].X = x1;
2342 pt[3*i+2].Y = y1;
2343 pt[3*i+3].X = points[i+1].X;
2344 pt[3*i+3].Y = points[i+1].Y;
2345 pt[3*i+4].X = x2;
2346 pt[3*i+4].Y = y2;
2349 calc_curve_bezier_endp(points[count-1].X, points[count-1].Y,
2350 points[count-2].X, points[count-2].Y, tension, &x1, &y1);
2352 pt[len_pt-2].X = x1;
2353 pt[len_pt-2].Y = y1;
2354 pt[len_pt-1].X = points[count-1].X;
2355 pt[len_pt-1].Y = points[count-1].Y;
2357 save_state = prepare_dc(graphics, pen);
2359 retval = draw_polybezier(graphics, pen, pt, len_pt, TRUE);
2361 GdipFree(pt);
2362 restore_dc(graphics, save_state);
2364 return retval;
2367 GpStatus WINGDIPAPI GdipDrawCurve2I(GpGraphics *graphics, GpPen *pen,
2368 GDIPCONST GpPoint *points, INT count, REAL tension)
2370 GpPointF *pointsF;
2371 GpStatus ret;
2372 INT i;
2374 TRACE("(%p, %p, %p, %d, %.2f)\n", graphics, pen, points, count, tension);
2376 if(!points)
2377 return InvalidParameter;
2379 pointsF = GdipAlloc(sizeof(GpPointF)*count);
2380 if(!pointsF)
2381 return OutOfMemory;
2383 for(i = 0; i < count; i++){
2384 pointsF[i].X = (REAL)points[i].X;
2385 pointsF[i].Y = (REAL)points[i].Y;
2388 ret = GdipDrawCurve2(graphics,pen,pointsF,count,tension);
2389 GdipFree(pointsF);
2391 return ret;
2394 GpStatus WINGDIPAPI GdipDrawCurve3(GpGraphics *graphics, GpPen *pen,
2395 GDIPCONST GpPointF *points, INT count, INT offset, INT numberOfSegments,
2396 REAL tension)
2398 TRACE("(%p, %p, %p, %d, %d, %d, %.2f)\n", graphics, pen, points, count, offset, numberOfSegments, tension);
2400 if(offset >= count || numberOfSegments > count - offset - 1 || numberOfSegments <= 0){
2401 return InvalidParameter;
2404 return GdipDrawCurve2(graphics, pen, points + offset, numberOfSegments + 1, tension);
2407 GpStatus WINGDIPAPI GdipDrawCurve3I(GpGraphics *graphics, GpPen *pen,
2408 GDIPCONST GpPoint *points, INT count, INT offset, INT numberOfSegments,
2409 REAL tension)
2411 TRACE("(%p, %p, %p, %d, %d, %d, %.2f)\n", graphics, pen, points, count, offset, numberOfSegments, tension);
2413 if(count < 0){
2414 return OutOfMemory;
2417 if(offset >= count || numberOfSegments > count - offset - 1 || numberOfSegments <= 0){
2418 return InvalidParameter;
2421 return GdipDrawCurve2I(graphics, pen, points + offset, numberOfSegments + 1, tension);
2424 GpStatus WINGDIPAPI GdipDrawEllipse(GpGraphics *graphics, GpPen *pen, REAL x,
2425 REAL y, REAL width, REAL height)
2427 INT save_state;
2428 GpPointF ptf[2];
2429 POINT pti[2];
2431 TRACE("(%p, %p, %.2f, %.2f, %.2f, %.2f)\n", graphics, pen, x, y, width, height);
2433 if(!graphics || !pen)
2434 return InvalidParameter;
2436 if(graphics->busy)
2437 return ObjectBusy;
2439 if (!graphics->hdc)
2441 FIXME("graphics object has no HDC\n");
2442 return Ok;
2445 ptf[0].X = x;
2446 ptf[0].Y = y;
2447 ptf[1].X = x + width;
2448 ptf[1].Y = y + height;
2450 save_state = prepare_dc(graphics, pen);
2451 SelectObject(graphics->hdc, GetStockObject(NULL_BRUSH));
2453 transform_and_round_points(graphics, pti, ptf, 2);
2455 Ellipse(graphics->hdc, pti[0].x, pti[0].y, pti[1].x, pti[1].y);
2457 restore_dc(graphics, save_state);
2459 return Ok;
2462 GpStatus WINGDIPAPI GdipDrawEllipseI(GpGraphics *graphics, GpPen *pen, INT x,
2463 INT y, INT width, INT height)
2465 TRACE("(%p, %p, %d, %d, %d, %d)\n", graphics, pen, x, y, width, height);
2467 return GdipDrawEllipse(graphics,pen,(REAL)x,(REAL)y,(REAL)width,(REAL)height);
2471 GpStatus WINGDIPAPI GdipDrawImage(GpGraphics *graphics, GpImage *image, REAL x, REAL y)
2473 UINT width, height;
2474 GpPointF points[3];
2476 TRACE("(%p, %p, %.2f, %.2f)\n", graphics, image, x, y);
2478 if(!graphics || !image)
2479 return InvalidParameter;
2481 GdipGetImageWidth(image, &width);
2482 GdipGetImageHeight(image, &height);
2484 /* FIXME: we should use the graphics and image dpi, somehow */
2486 points[0].X = points[2].X = x;
2487 points[0].Y = points[1].Y = y;
2488 points[1].X = x + width;
2489 points[2].Y = y + height;
2491 return GdipDrawImagePointsRect(graphics, image, points, 3, 0, 0, width, height,
2492 UnitPixel, NULL, NULL, NULL);
2495 GpStatus WINGDIPAPI GdipDrawImageI(GpGraphics *graphics, GpImage *image, INT x,
2496 INT y)
2498 TRACE("(%p, %p, %d, %d)\n", graphics, image, x, y);
2500 return GdipDrawImage(graphics, image, (REAL)x, (REAL)y);
2503 GpStatus WINGDIPAPI GdipDrawImagePointRect(GpGraphics *graphics, GpImage *image,
2504 REAL x, REAL y, REAL srcx, REAL srcy, REAL srcwidth, REAL srcheight,
2505 GpUnit srcUnit)
2507 GpPointF points[3];
2508 TRACE("(%p, %p, %f, %f, %f, %f, %f, %f, %d)\n", graphics, image, x, y, srcx, srcy, srcwidth, srcheight, srcUnit);
2510 points[0].X = points[2].X = x;
2511 points[0].Y = points[1].Y = y;
2513 /* FIXME: convert image coordinates to Graphics coordinates? */
2514 points[1].X = x + srcwidth;
2515 points[2].Y = y + srcheight;
2517 return GdipDrawImagePointsRect(graphics, image, points, 3, srcx, srcy,
2518 srcwidth, srcheight, srcUnit, NULL, NULL, NULL);
2521 GpStatus WINGDIPAPI GdipDrawImagePointRectI(GpGraphics *graphics, GpImage *image,
2522 INT x, INT y, INT srcx, INT srcy, INT srcwidth, INT srcheight,
2523 GpUnit srcUnit)
2525 return GdipDrawImagePointRect(graphics, image, x, y, srcx, srcy, srcwidth, srcheight, srcUnit);
2528 GpStatus WINGDIPAPI GdipDrawImagePoints(GpGraphics *graphics, GpImage *image,
2529 GDIPCONST GpPointF *dstpoints, INT count)
2531 FIXME("(%p, %p, %p, %d): stub\n", graphics, image, dstpoints, count);
2532 return NotImplemented;
2535 GpStatus WINGDIPAPI GdipDrawImagePointsI(GpGraphics *graphics, GpImage *image,
2536 GDIPCONST GpPoint *dstpoints, INT count)
2538 FIXME("(%p, %p, %p, %d): stub\n", graphics, image, dstpoints, count);
2539 return NotImplemented;
2542 GpStatus WINGDIPAPI GdipDrawImagePointsRect(GpGraphics *graphics, GpImage *image,
2543 GDIPCONST GpPointF *points, INT count, REAL srcx, REAL srcy, REAL srcwidth,
2544 REAL srcheight, GpUnit srcUnit, GDIPCONST GpImageAttributes* imageAttributes,
2545 DrawImageAbort callback, VOID * callbackData)
2547 GpPointF ptf[4];
2548 POINT pti[4];
2549 REAL dx, dy;
2550 GpStatus stat;
2552 TRACE("(%p, %p, %p, %d, %f, %f, %f, %f, %d, %p, %p, %p)\n", graphics, image, points,
2553 count, srcx, srcy, srcwidth, srcheight, srcUnit, imageAttributes, callback,
2554 callbackData);
2556 if (count > 3)
2557 return NotImplemented;
2559 if(!graphics || !image || !points || count != 3)
2560 return InvalidParameter;
2562 TRACE("%s %s %s\n", debugstr_pointf(&points[0]), debugstr_pointf(&points[1]),
2563 debugstr_pointf(&points[2]));
2565 memcpy(ptf, points, 3 * sizeof(GpPointF));
2566 ptf[3].X = ptf[2].X + ptf[1].X - ptf[0].X;
2567 ptf[3].Y = ptf[2].Y + ptf[1].Y - ptf[0].Y;
2568 if (!srcwidth || !srcheight || ptf[3].X == ptf[0].X || ptf[3].Y == ptf[0].Y)
2569 return Ok;
2570 transform_and_round_points(graphics, pti, ptf, 4);
2572 if (image->picture)
2574 if (!graphics->hdc)
2576 FIXME("graphics object has no HDC\n");
2579 /* FIXME: partially implemented (only works for rectangular parallelograms) */
2580 if(srcUnit == UnitInch)
2581 dx = dy = (REAL) INCH_HIMETRIC;
2582 else if(srcUnit == UnitPixel){
2583 dx = ((REAL) INCH_HIMETRIC) /
2584 ((REAL) GetDeviceCaps(graphics->hdc, LOGPIXELSX));
2585 dy = ((REAL) INCH_HIMETRIC) /
2586 ((REAL) GetDeviceCaps(graphics->hdc, LOGPIXELSY));
2588 else
2589 return NotImplemented;
2591 if(IPicture_Render(image->picture, graphics->hdc,
2592 pti[0].x, pti[0].y, pti[1].x - pti[0].x, pti[2].y - pti[0].y,
2593 srcx * dx, srcy * dy,
2594 srcwidth * dx, srcheight * dy,
2595 NULL) != S_OK){
2596 if(callback)
2597 callback(callbackData);
2598 return GenericError;
2601 else if (image->type == ImageTypeBitmap)
2603 GpBitmap* bitmap = (GpBitmap*)image;
2604 int use_software=0;
2606 if (srcUnit == UnitInch)
2607 dx = dy = 96.0; /* FIXME: use the image resolution */
2608 else if (srcUnit == UnitPixel)
2609 dx = dy = 1.0;
2610 else
2611 return NotImplemented;
2613 srcx = srcx * dx;
2614 srcy = srcy * dy;
2615 srcwidth = srcwidth * dx;
2616 srcheight = srcheight * dy;
2618 if (imageAttributes ||
2619 (graphics->image && graphics->image->type == ImageTypeBitmap) ||
2620 !((GpBitmap*)image)->hbitmap ||
2621 ptf[1].Y != ptf[0].Y || ptf[2].X != ptf[0].X ||
2622 ptf[1].X - ptf[0].X != srcwidth || ptf[2].Y - ptf[0].Y != srcheight ||
2623 srcx < 0 || srcy < 0 ||
2624 srcx + srcwidth > bitmap->width || srcy + srcheight > bitmap->height)
2625 use_software = 1;
2627 if (use_software)
2629 RECT dst_area;
2630 GpRect src_area;
2631 int i, x, y, src_stride, dst_stride;
2632 GpMatrix *dst_to_src;
2633 REAL m11, m12, m21, m22, mdx, mdy;
2634 LPBYTE src_data, dst_data;
2635 BitmapData lockeddata;
2636 InterpolationMode interpolation = graphics->interpolation;
2637 GpPointF dst_to_src_points[3] = {{0.0, 0.0}, {1.0, 0.0}, {0.0, 1.0}};
2638 REAL x_dx, x_dy, y_dx, y_dy;
2639 static const GpImageAttributes defaultImageAttributes = {WrapModeClamp, 0, FALSE};
2641 if (!imageAttributes)
2642 imageAttributes = &defaultImageAttributes;
2644 dst_area.left = dst_area.right = pti[0].x;
2645 dst_area.top = dst_area.bottom = pti[0].y;
2646 for (i=1; i<4; i++)
2648 if (dst_area.left > pti[i].x) dst_area.left = pti[i].x;
2649 if (dst_area.right < pti[i].x) dst_area.right = pti[i].x;
2650 if (dst_area.top > pti[i].y) dst_area.top = pti[i].y;
2651 if (dst_area.bottom < pti[i].y) dst_area.bottom = pti[i].y;
2654 m11 = (ptf[1].X - ptf[0].X) / srcwidth;
2655 m21 = (ptf[2].X - ptf[0].X) / srcheight;
2656 mdx = ptf[0].X - m11 * srcx - m21 * srcy;
2657 m12 = (ptf[1].Y - ptf[0].Y) / srcwidth;
2658 m22 = (ptf[2].Y - ptf[0].Y) / srcheight;
2659 mdy = ptf[0].Y - m12 * srcx - m22 * srcy;
2661 stat = GdipCreateMatrix2(m11, m12, m21, m22, mdx, mdy, &dst_to_src);
2662 if (stat != Ok) return stat;
2664 stat = GdipInvertMatrix(dst_to_src);
2665 if (stat != Ok)
2667 GdipDeleteMatrix(dst_to_src);
2668 return stat;
2671 dst_data = GdipAlloc(sizeof(ARGB) * (dst_area.right - dst_area.left) * (dst_area.bottom - dst_area.top));
2672 if (!dst_data)
2674 GdipDeleteMatrix(dst_to_src);
2675 return OutOfMemory;
2678 dst_stride = sizeof(ARGB) * (dst_area.right - dst_area.left);
2680 get_bitmap_sample_size(interpolation, imageAttributes->wrap,
2681 bitmap, srcx, srcy, srcwidth, srcheight, &src_area);
2683 src_data = GdipAlloc(sizeof(ARGB) * src_area.Width * src_area.Height);
2684 if (!src_data)
2686 GdipFree(dst_data);
2687 GdipDeleteMatrix(dst_to_src);
2688 return OutOfMemory;
2690 src_stride = sizeof(ARGB) * src_area.Width;
2692 /* Read the bits we need from the source bitmap into an ARGB buffer. */
2693 lockeddata.Width = src_area.Width;
2694 lockeddata.Height = src_area.Height;
2695 lockeddata.Stride = src_stride;
2696 lockeddata.PixelFormat = PixelFormat32bppARGB;
2697 lockeddata.Scan0 = src_data;
2699 stat = GdipBitmapLockBits(bitmap, &src_area, ImageLockModeRead|ImageLockModeUserInputBuf,
2700 PixelFormat32bppARGB, &lockeddata);
2702 if (stat == Ok)
2703 stat = GdipBitmapUnlockBits(bitmap, &lockeddata);
2705 if (stat != Ok)
2707 if (src_data != dst_data)
2708 GdipFree(src_data);
2709 GdipFree(dst_data);
2710 GdipDeleteMatrix(dst_to_src);
2711 return OutOfMemory;
2714 apply_image_attributes(imageAttributes, src_data,
2715 src_area.Width, src_area.Height,
2716 src_stride, ColorAdjustTypeBitmap);
2718 /* Transform the bits as needed to the destination. */
2719 GdipTransformMatrixPoints(dst_to_src, dst_to_src_points, 3);
2721 x_dx = dst_to_src_points[1].X - dst_to_src_points[0].X;
2722 x_dy = dst_to_src_points[1].Y - dst_to_src_points[0].Y;
2723 y_dx = dst_to_src_points[2].X - dst_to_src_points[0].X;
2724 y_dy = dst_to_src_points[2].Y - dst_to_src_points[0].Y;
2726 for (x=dst_area.left; x<dst_area.right; x++)
2728 for (y=dst_area.top; y<dst_area.bottom; y++)
2730 GpPointF src_pointf;
2731 ARGB *dst_color;
2733 src_pointf.X = dst_to_src_points[0].X + x * x_dx + y * y_dx;
2734 src_pointf.Y = dst_to_src_points[0].Y + x * x_dy + y * y_dy;
2736 dst_color = (ARGB*)(dst_data + dst_stride * (y - dst_area.top) + sizeof(ARGB) * (x - dst_area.left));
2738 if (src_pointf.X >= srcx && src_pointf.X < srcx + srcwidth && src_pointf.Y >= srcy && src_pointf.Y < srcy+srcheight)
2739 *dst_color = resample_bitmap_pixel(&src_area, src_data, bitmap->width, bitmap->height, &src_pointf, imageAttributes, interpolation);
2740 else
2741 *dst_color = 0;
2745 GdipDeleteMatrix(dst_to_src);
2747 GdipFree(src_data);
2749 stat = alpha_blend_pixels(graphics, dst_area.left, dst_area.top,
2750 dst_data, dst_area.right - dst_area.left, dst_area.bottom - dst_area.top, dst_stride);
2752 GdipFree(dst_data);
2754 return stat;
2756 else
2758 HDC hdc;
2759 int temp_hdc=0, temp_bitmap=0;
2760 HBITMAP hbitmap, old_hbm=NULL;
2762 if (!(bitmap->format == PixelFormat16bppRGB555 ||
2763 bitmap->format == PixelFormat24bppRGB ||
2764 bitmap->format == PixelFormat32bppRGB ||
2765 bitmap->format == PixelFormat32bppPARGB))
2767 BITMAPINFOHEADER bih;
2768 BYTE *temp_bits;
2769 PixelFormat dst_format;
2771 /* we can't draw a bitmap of this format directly */
2772 hdc = CreateCompatibleDC(0);
2773 temp_hdc = 1;
2774 temp_bitmap = 1;
2776 bih.biSize = sizeof(BITMAPINFOHEADER);
2777 bih.biWidth = bitmap->width;
2778 bih.biHeight = -bitmap->height;
2779 bih.biPlanes = 1;
2780 bih.biBitCount = 32;
2781 bih.biCompression = BI_RGB;
2782 bih.biSizeImage = 0;
2783 bih.biXPelsPerMeter = 0;
2784 bih.biYPelsPerMeter = 0;
2785 bih.biClrUsed = 0;
2786 bih.biClrImportant = 0;
2788 hbitmap = CreateDIBSection(hdc, (BITMAPINFO*)&bih, DIB_RGB_COLORS,
2789 (void**)&temp_bits, NULL, 0);
2791 if (bitmap->format & (PixelFormatAlpha|PixelFormatPAlpha))
2792 dst_format = PixelFormat32bppPARGB;
2793 else
2794 dst_format = PixelFormat32bppRGB;
2796 convert_pixels(bitmap->width, bitmap->height,
2797 bitmap->width*4, temp_bits, dst_format,
2798 bitmap->stride, bitmap->bits, bitmap->format, bitmap->image.palette_entries);
2800 else
2802 hbitmap = bitmap->hbitmap;
2803 hdc = bitmap->hdc;
2804 temp_hdc = (hdc == 0);
2807 if (temp_hdc)
2809 if (!hdc) hdc = CreateCompatibleDC(0);
2810 old_hbm = SelectObject(hdc, hbitmap);
2813 if (bitmap->format & (PixelFormatAlpha|PixelFormatPAlpha))
2815 BLENDFUNCTION bf;
2817 bf.BlendOp = AC_SRC_OVER;
2818 bf.BlendFlags = 0;
2819 bf.SourceConstantAlpha = 255;
2820 bf.AlphaFormat = AC_SRC_ALPHA;
2822 GdiAlphaBlend(graphics->hdc, pti[0].x, pti[0].y, pti[1].x-pti[0].x, pti[2].y-pti[0].y,
2823 hdc, srcx, srcy, srcwidth, srcheight, bf);
2825 else
2827 StretchBlt(graphics->hdc, pti[0].x, pti[0].y, pti[1].x-pti[0].x, pti[2].y-pti[0].y,
2828 hdc, srcx, srcy, srcwidth, srcheight, SRCCOPY);
2831 if (temp_hdc)
2833 SelectObject(hdc, old_hbm);
2834 DeleteDC(hdc);
2837 if (temp_bitmap)
2838 DeleteObject(hbitmap);
2841 else
2843 ERR("GpImage with no IPicture or HBITMAP?!\n");
2844 return NotImplemented;
2847 return Ok;
2850 GpStatus WINGDIPAPI GdipDrawImagePointsRectI(GpGraphics *graphics, GpImage *image,
2851 GDIPCONST GpPoint *points, INT count, INT srcx, INT srcy, INT srcwidth,
2852 INT srcheight, GpUnit srcUnit, GDIPCONST GpImageAttributes* imageAttributes,
2853 DrawImageAbort callback, VOID * callbackData)
2855 GpPointF pointsF[3];
2856 INT i;
2858 TRACE("(%p, %p, %p, %d, %d, %d, %d, %d, %d, %p, %p, %p)\n", graphics, image, points, count,
2859 srcx, srcy, srcwidth, srcheight, srcUnit, imageAttributes, callback,
2860 callbackData);
2862 if(!points || count!=3)
2863 return InvalidParameter;
2865 for(i = 0; i < count; i++){
2866 pointsF[i].X = (REAL)points[i].X;
2867 pointsF[i].Y = (REAL)points[i].Y;
2870 return GdipDrawImagePointsRect(graphics, image, pointsF, count, (REAL)srcx, (REAL)srcy,
2871 (REAL)srcwidth, (REAL)srcheight, srcUnit, imageAttributes,
2872 callback, callbackData);
2875 GpStatus WINGDIPAPI GdipDrawImageRectRect(GpGraphics *graphics, GpImage *image,
2876 REAL dstx, REAL dsty, REAL dstwidth, REAL dstheight, REAL srcx, REAL srcy,
2877 REAL srcwidth, REAL srcheight, GpUnit srcUnit,
2878 GDIPCONST GpImageAttributes* imageattr, DrawImageAbort callback,
2879 VOID * callbackData)
2881 GpPointF points[3];
2883 TRACE("(%p, %p, %.2f, %.2f, %.2f, %.2f, %.2f, %.2f, %.2f, %.2f, %d, %p, %p, %p)\n",
2884 graphics, image, dstx, dsty, dstwidth, dstheight, srcx, srcy,
2885 srcwidth, srcheight, srcUnit, imageattr, callback, callbackData);
2887 points[0].X = dstx;
2888 points[0].Y = dsty;
2889 points[1].X = dstx + dstwidth;
2890 points[1].Y = dsty;
2891 points[2].X = dstx;
2892 points[2].Y = dsty + dstheight;
2894 return GdipDrawImagePointsRect(graphics, image, points, 3, srcx, srcy,
2895 srcwidth, srcheight, srcUnit, imageattr, callback, callbackData);
2898 GpStatus WINGDIPAPI GdipDrawImageRectRectI(GpGraphics *graphics, GpImage *image,
2899 INT dstx, INT dsty, INT dstwidth, INT dstheight, INT srcx, INT srcy,
2900 INT srcwidth, INT srcheight, GpUnit srcUnit,
2901 GDIPCONST GpImageAttributes* imageAttributes, DrawImageAbort callback,
2902 VOID * callbackData)
2904 GpPointF points[3];
2906 TRACE("(%p, %p, %d, %d, %d, %d, %d, %d, %d, %d, %d, %p, %p, %p)\n",
2907 graphics, image, dstx, dsty, dstwidth, dstheight, srcx, srcy,
2908 srcwidth, srcheight, srcUnit, imageAttributes, callback, callbackData);
2910 points[0].X = dstx;
2911 points[0].Y = dsty;
2912 points[1].X = dstx + dstwidth;
2913 points[1].Y = dsty;
2914 points[2].X = dstx;
2915 points[2].Y = dsty + dstheight;
2917 return GdipDrawImagePointsRect(graphics, image, points, 3, srcx, srcy,
2918 srcwidth, srcheight, srcUnit, imageAttributes, callback, callbackData);
2921 GpStatus WINGDIPAPI GdipDrawImageRect(GpGraphics *graphics, GpImage *image,
2922 REAL x, REAL y, REAL width, REAL height)
2924 RectF bounds;
2925 GpUnit unit;
2926 GpStatus ret;
2928 TRACE("(%p, %p, %.2f, %.2f, %.2f, %.2f)\n", graphics, image, x, y, width, height);
2930 if(!graphics || !image)
2931 return InvalidParameter;
2933 ret = GdipGetImageBounds(image, &bounds, &unit);
2934 if(ret != Ok)
2935 return ret;
2937 return GdipDrawImageRectRect(graphics, image, x, y, width, height,
2938 bounds.X, bounds.Y, bounds.Width, bounds.Height,
2939 unit, NULL, NULL, NULL);
2942 GpStatus WINGDIPAPI GdipDrawImageRectI(GpGraphics *graphics, GpImage *image,
2943 INT x, INT y, INT width, INT height)
2945 TRACE("(%p, %p, %d, %d, %d, %d)\n", graphics, image, x, y, width, height);
2947 return GdipDrawImageRect(graphics, image, (REAL)x, (REAL)y, (REAL)width, (REAL)height);
2950 GpStatus WINGDIPAPI GdipDrawLine(GpGraphics *graphics, GpPen *pen, REAL x1,
2951 REAL y1, REAL x2, REAL y2)
2953 INT save_state;
2954 GpPointF pt[2];
2955 GpStatus retval;
2957 TRACE("(%p, %p, %.2f, %.2f, %.2f, %.2f)\n", graphics, pen, x1, y1, x2, y2);
2959 if(!pen || !graphics)
2960 return InvalidParameter;
2962 if(graphics->busy)
2963 return ObjectBusy;
2965 if (!graphics->hdc)
2967 FIXME("graphics object has no HDC\n");
2968 return Ok;
2971 pt[0].X = x1;
2972 pt[0].Y = y1;
2973 pt[1].X = x2;
2974 pt[1].Y = y2;
2976 save_state = prepare_dc(graphics, pen);
2978 retval = draw_polyline(graphics, pen, pt, 2, TRUE);
2980 restore_dc(graphics, save_state);
2982 return retval;
2985 GpStatus WINGDIPAPI GdipDrawLineI(GpGraphics *graphics, GpPen *pen, INT x1,
2986 INT y1, INT x2, INT y2)
2988 INT save_state;
2989 GpPointF pt[2];
2990 GpStatus retval;
2992 TRACE("(%p, %p, %d, %d, %d, %d)\n", graphics, pen, x1, y1, x2, y2);
2994 if(!pen || !graphics)
2995 return InvalidParameter;
2997 if(graphics->busy)
2998 return ObjectBusy;
3000 if (!graphics->hdc)
3002 FIXME("graphics object has no HDC\n");
3003 return Ok;
3006 pt[0].X = (REAL)x1;
3007 pt[0].Y = (REAL)y1;
3008 pt[1].X = (REAL)x2;
3009 pt[1].Y = (REAL)y2;
3011 save_state = prepare_dc(graphics, pen);
3013 retval = draw_polyline(graphics, pen, pt, 2, TRUE);
3015 restore_dc(graphics, save_state);
3017 return retval;
3020 GpStatus WINGDIPAPI GdipDrawLines(GpGraphics *graphics, GpPen *pen, GDIPCONST
3021 GpPointF *points, INT count)
3023 INT save_state;
3024 GpStatus retval;
3026 TRACE("(%p, %p, %p, %d)\n", graphics, pen, points, count);
3028 if(!pen || !graphics || (count < 2))
3029 return InvalidParameter;
3031 if(graphics->busy)
3032 return ObjectBusy;
3034 if (!graphics->hdc)
3036 FIXME("graphics object has no HDC\n");
3037 return Ok;
3040 save_state = prepare_dc(graphics, pen);
3042 retval = draw_polyline(graphics, pen, points, count, TRUE);
3044 restore_dc(graphics, save_state);
3046 return retval;
3049 GpStatus WINGDIPAPI GdipDrawLinesI(GpGraphics *graphics, GpPen *pen, GDIPCONST
3050 GpPoint *points, INT count)
3052 INT save_state;
3053 GpStatus retval;
3054 GpPointF *ptf = NULL;
3055 int i;
3057 TRACE("(%p, %p, %p, %d)\n", graphics, pen, points, count);
3059 if(!pen || !graphics || (count < 2))
3060 return InvalidParameter;
3062 if(graphics->busy)
3063 return ObjectBusy;
3065 if (!graphics->hdc)
3067 FIXME("graphics object has no HDC\n");
3068 return Ok;
3071 ptf = GdipAlloc(count * sizeof(GpPointF));
3072 if(!ptf) return OutOfMemory;
3074 for(i = 0; i < count; i ++){
3075 ptf[i].X = (REAL) points[i].X;
3076 ptf[i].Y = (REAL) points[i].Y;
3079 save_state = prepare_dc(graphics, pen);
3081 retval = draw_polyline(graphics, pen, ptf, count, TRUE);
3083 restore_dc(graphics, save_state);
3085 GdipFree(ptf);
3086 return retval;
3089 GpStatus WINGDIPAPI GdipDrawPath(GpGraphics *graphics, GpPen *pen, GpPath *path)
3091 INT save_state;
3092 GpStatus retval;
3094 TRACE("(%p, %p, %p)\n", graphics, pen, path);
3096 if(!pen || !graphics)
3097 return InvalidParameter;
3099 if(graphics->busy)
3100 return ObjectBusy;
3102 if (!graphics->hdc)
3104 FIXME("graphics object has no HDC\n");
3105 return Ok;
3108 save_state = prepare_dc(graphics, pen);
3110 retval = draw_poly(graphics, pen, path->pathdata.Points,
3111 path->pathdata.Types, path->pathdata.Count, TRUE);
3113 restore_dc(graphics, save_state);
3115 return retval;
3118 GpStatus WINGDIPAPI GdipDrawPie(GpGraphics *graphics, GpPen *pen, REAL x,
3119 REAL y, REAL width, REAL height, REAL startAngle, REAL sweepAngle)
3121 INT save_state;
3123 TRACE("(%p, %p, %.2f, %.2f, %.2f, %.2f, %.2f, %.2f)\n", graphics, pen, x, y,
3124 width, height, startAngle, sweepAngle);
3126 if(!graphics || !pen)
3127 return InvalidParameter;
3129 if(graphics->busy)
3130 return ObjectBusy;
3132 if (!graphics->hdc)
3134 FIXME("graphics object has no HDC\n");
3135 return Ok;
3138 save_state = prepare_dc(graphics, pen);
3139 SelectObject(graphics->hdc, GetStockObject(NULL_BRUSH));
3141 draw_pie(graphics, x, y, width, height, startAngle, sweepAngle);
3143 restore_dc(graphics, save_state);
3145 return Ok;
3148 GpStatus WINGDIPAPI GdipDrawPieI(GpGraphics *graphics, GpPen *pen, INT x,
3149 INT y, INT width, INT height, REAL startAngle, REAL sweepAngle)
3151 TRACE("(%p, %p, %d, %d, %d, %d, %.2f, %.2f)\n", graphics, pen, x, y,
3152 width, height, startAngle, sweepAngle);
3154 return GdipDrawPie(graphics,pen,(REAL)x,(REAL)y,(REAL)width,(REAL)height,startAngle,sweepAngle);
3157 GpStatus WINGDIPAPI GdipDrawRectangle(GpGraphics *graphics, GpPen *pen, REAL x,
3158 REAL y, REAL width, REAL height)
3160 INT save_state;
3161 GpPointF ptf[4];
3162 POINT pti[4];
3164 TRACE("(%p, %p, %.2f, %.2f, %.2f, %.2f)\n", graphics, pen, x, y, width, height);
3166 if(!pen || !graphics)
3167 return InvalidParameter;
3169 if(graphics->busy)
3170 return ObjectBusy;
3172 if (!graphics->hdc)
3174 FIXME("graphics object has no HDC\n");
3175 return Ok;
3178 ptf[0].X = x;
3179 ptf[0].Y = y;
3180 ptf[1].X = x + width;
3181 ptf[1].Y = y;
3182 ptf[2].X = x + width;
3183 ptf[2].Y = y + height;
3184 ptf[3].X = x;
3185 ptf[3].Y = y + height;
3187 save_state = prepare_dc(graphics, pen);
3188 SelectObject(graphics->hdc, GetStockObject(NULL_BRUSH));
3190 transform_and_round_points(graphics, pti, ptf, 4);
3191 Polygon(graphics->hdc, pti, 4);
3193 restore_dc(graphics, save_state);
3195 return Ok;
3198 GpStatus WINGDIPAPI GdipDrawRectangleI(GpGraphics *graphics, GpPen *pen, INT x,
3199 INT y, INT width, INT height)
3201 TRACE("(%p, %p, %d, %d, %d, %d)\n", graphics, pen, x, y, width, height);
3203 return GdipDrawRectangle(graphics,pen,(REAL)x,(REAL)y,(REAL)width,(REAL)height);
3206 GpStatus WINGDIPAPI GdipDrawRectangles(GpGraphics *graphics, GpPen *pen,
3207 GDIPCONST GpRectF* rects, INT count)
3209 GpPointF *ptf;
3210 POINT *pti;
3211 INT save_state, i;
3213 TRACE("(%p, %p, %p, %d)\n", graphics, pen, rects, count);
3215 if(!graphics || !pen || !rects || count < 1)
3216 return InvalidParameter;
3218 if(graphics->busy)
3219 return ObjectBusy;
3221 if (!graphics->hdc)
3223 FIXME("graphics object has no HDC\n");
3224 return Ok;
3227 ptf = GdipAlloc(4 * count * sizeof(GpPointF));
3228 pti = GdipAlloc(4 * count * sizeof(POINT));
3230 if(!ptf || !pti){
3231 GdipFree(ptf);
3232 GdipFree(pti);
3233 return OutOfMemory;
3236 for(i = 0; i < count; i++){
3237 ptf[4 * i + 3].X = ptf[4 * i].X = rects[i].X;
3238 ptf[4 * i + 1].Y = ptf[4 * i].Y = rects[i].Y;
3239 ptf[4 * i + 2].X = ptf[4 * i + 1].X = rects[i].X + rects[i].Width;
3240 ptf[4 * i + 3].Y = ptf[4 * i + 2].Y = rects[i].Y + rects[i].Height;
3243 save_state = prepare_dc(graphics, pen);
3244 SelectObject(graphics->hdc, GetStockObject(NULL_BRUSH));
3246 transform_and_round_points(graphics, pti, ptf, 4 * count);
3248 for(i = 0; i < count; i++)
3249 Polygon(graphics->hdc, &pti[4 * i], 4);
3251 restore_dc(graphics, save_state);
3253 GdipFree(ptf);
3254 GdipFree(pti);
3256 return Ok;
3259 GpStatus WINGDIPAPI GdipDrawRectanglesI(GpGraphics *graphics, GpPen *pen,
3260 GDIPCONST GpRect* rects, INT count)
3262 GpRectF *rectsF;
3263 GpStatus ret;
3264 INT i;
3266 TRACE("(%p, %p, %p, %d)\n", graphics, pen, rects, count);
3268 if(!rects || count<=0)
3269 return InvalidParameter;
3271 rectsF = GdipAlloc(sizeof(GpRectF) * count);
3272 if(!rectsF)
3273 return OutOfMemory;
3275 for(i = 0;i < count;i++){
3276 rectsF[i].X = (REAL)rects[i].X;
3277 rectsF[i].Y = (REAL)rects[i].Y;
3278 rectsF[i].Width = (REAL)rects[i].Width;
3279 rectsF[i].Height = (REAL)rects[i].Height;
3282 ret = GdipDrawRectangles(graphics, pen, rectsF, count);
3283 GdipFree(rectsF);
3285 return ret;
3288 GpStatus WINGDIPAPI GdipFillClosedCurve2(GpGraphics *graphics, GpBrush *brush,
3289 GDIPCONST GpPointF *points, INT count, REAL tension, GpFillMode fill)
3291 GpPath *path;
3292 GpStatus stat;
3294 TRACE("(%p, %p, %p, %d, %.2f, %d)\n", graphics, brush, points,
3295 count, tension, fill);
3297 if(!graphics || !brush || !points)
3298 return InvalidParameter;
3300 if(graphics->busy)
3301 return ObjectBusy;
3303 if(count == 1) /* Do nothing */
3304 return Ok;
3306 stat = GdipCreatePath(fill, &path);
3307 if(stat != Ok)
3308 return stat;
3310 stat = GdipAddPathClosedCurve2(path, points, count, tension);
3311 if(stat != Ok){
3312 GdipDeletePath(path);
3313 return stat;
3316 stat = GdipFillPath(graphics, brush, path);
3317 if(stat != Ok){
3318 GdipDeletePath(path);
3319 return stat;
3322 GdipDeletePath(path);
3324 return Ok;
3327 GpStatus WINGDIPAPI GdipFillClosedCurve2I(GpGraphics *graphics, GpBrush *brush,
3328 GDIPCONST GpPoint *points, INT count, REAL tension, GpFillMode fill)
3330 GpPointF *ptf;
3331 GpStatus stat;
3332 INT i;
3334 TRACE("(%p, %p, %p, %d, %.2f, %d)\n", graphics, brush, points,
3335 count, tension, fill);
3337 if(!points || count == 0)
3338 return InvalidParameter;
3340 if(count == 1) /* Do nothing */
3341 return Ok;
3343 ptf = GdipAlloc(sizeof(GpPointF)*count);
3344 if(!ptf)
3345 return OutOfMemory;
3347 for(i = 0;i < count;i++){
3348 ptf[i].X = (REAL)points[i].X;
3349 ptf[i].Y = (REAL)points[i].Y;
3352 stat = GdipFillClosedCurve2(graphics, brush, ptf, count, tension, fill);
3354 GdipFree(ptf);
3356 return stat;
3359 GpStatus WINGDIPAPI GdipFillClosedCurve(GpGraphics *graphics, GpBrush *brush,
3360 GDIPCONST GpPointF *points, INT count)
3362 TRACE("(%p, %p, %p, %d)\n", graphics, brush, points, count);
3363 return GdipFillClosedCurve2(graphics, brush, points, count,
3364 0.5f, FillModeAlternate);
3367 GpStatus WINGDIPAPI GdipFillClosedCurveI(GpGraphics *graphics, GpBrush *brush,
3368 GDIPCONST GpPoint *points, INT count)
3370 TRACE("(%p, %p, %p, %d)\n", graphics, brush, points, count);
3371 return GdipFillClosedCurve2I(graphics, brush, points, count,
3372 0.5f, FillModeAlternate);
3375 GpStatus WINGDIPAPI GdipFillEllipse(GpGraphics *graphics, GpBrush *brush, REAL x,
3376 REAL y, REAL width, REAL height)
3378 GpStatus stat;
3379 GpPath *path;
3381 TRACE("(%p, %p, %.2f, %.2f, %.2f, %.2f)\n", graphics, brush, x, y, width, height);
3383 if(!graphics || !brush)
3384 return InvalidParameter;
3386 if(graphics->busy)
3387 return ObjectBusy;
3389 stat = GdipCreatePath(FillModeAlternate, &path);
3391 if (stat == Ok)
3393 stat = GdipAddPathEllipse(path, x, y, width, height);
3395 if (stat == Ok)
3396 stat = GdipFillPath(graphics, brush, path);
3398 GdipDeletePath(path);
3401 return stat;
3404 GpStatus WINGDIPAPI GdipFillEllipseI(GpGraphics *graphics, GpBrush *brush, INT x,
3405 INT y, INT width, INT height)
3407 TRACE("(%p, %p, %d, %d, %d, %d)\n", graphics, brush, x, y, width, height);
3409 return GdipFillEllipse(graphics,brush,(REAL)x,(REAL)y,(REAL)width,(REAL)height);
3412 static GpStatus GDI32_GdipFillPath(GpGraphics *graphics, GpBrush *brush, GpPath *path)
3414 INT save_state;
3415 GpStatus retval;
3417 if(!graphics->hdc || !brush_can_fill_path(brush))
3418 return NotImplemented;
3420 save_state = SaveDC(graphics->hdc);
3421 EndPath(graphics->hdc);
3422 SetPolyFillMode(graphics->hdc, (path->fill == FillModeAlternate ? ALTERNATE
3423 : WINDING));
3425 BeginPath(graphics->hdc);
3426 retval = draw_poly(graphics, NULL, path->pathdata.Points,
3427 path->pathdata.Types, path->pathdata.Count, FALSE);
3429 if(retval != Ok)
3430 goto end;
3432 EndPath(graphics->hdc);
3433 brush_fill_path(graphics, brush);
3435 retval = Ok;
3437 end:
3438 RestoreDC(graphics->hdc, save_state);
3440 return retval;
3443 static GpStatus SOFTWARE_GdipFillPath(GpGraphics *graphics, GpBrush *brush, GpPath *path)
3445 GpStatus stat;
3446 GpRegion *rgn;
3448 if (!brush_can_fill_pixels(brush))
3449 return NotImplemented;
3451 /* FIXME: This could probably be done more efficiently without regions. */
3453 stat = GdipCreateRegionPath(path, &rgn);
3455 if (stat == Ok)
3457 stat = GdipFillRegion(graphics, brush, rgn);
3459 GdipDeleteRegion(rgn);
3462 return stat;
3465 GpStatus WINGDIPAPI GdipFillPath(GpGraphics *graphics, GpBrush *brush, GpPath *path)
3467 GpStatus stat = NotImplemented;
3469 TRACE("(%p, %p, %p)\n", graphics, brush, path);
3471 if(!brush || !graphics || !path)
3472 return InvalidParameter;
3474 if(graphics->busy)
3475 return ObjectBusy;
3477 if (!graphics->image)
3478 stat = GDI32_GdipFillPath(graphics, brush, path);
3480 if (stat == NotImplemented)
3481 stat = SOFTWARE_GdipFillPath(graphics, brush, path);
3483 if (stat == NotImplemented)
3485 FIXME("Not implemented for brushtype %i\n", brush->bt);
3486 stat = Ok;
3489 return stat;
3492 GpStatus WINGDIPAPI GdipFillPie(GpGraphics *graphics, GpBrush *brush, REAL x,
3493 REAL y, REAL width, REAL height, REAL startAngle, REAL sweepAngle)
3495 GpStatus stat;
3496 GpPath *path;
3498 TRACE("(%p, %p, %.2f, %.2f, %.2f, %.2f, %.2f, %.2f)\n",
3499 graphics, brush, x, y, width, height, startAngle, sweepAngle);
3501 if(!graphics || !brush)
3502 return InvalidParameter;
3504 if(graphics->busy)
3505 return ObjectBusy;
3507 stat = GdipCreatePath(FillModeAlternate, &path);
3509 if (stat == Ok)
3511 stat = GdipAddPathPie(path, x, y, width, height, startAngle, sweepAngle);
3513 if (stat == Ok)
3514 stat = GdipFillPath(graphics, brush, path);
3516 GdipDeletePath(path);
3519 return stat;
3522 GpStatus WINGDIPAPI GdipFillPieI(GpGraphics *graphics, GpBrush *brush, INT x,
3523 INT y, INT width, INT height, REAL startAngle, REAL sweepAngle)
3525 TRACE("(%p, %p, %d, %d, %d, %d, %.2f, %.2f)\n",
3526 graphics, brush, x, y, width, height, startAngle, sweepAngle);
3528 return GdipFillPie(graphics,brush,(REAL)x,(REAL)y,(REAL)width,(REAL)height,startAngle,sweepAngle);
3531 GpStatus WINGDIPAPI GdipFillPolygon(GpGraphics *graphics, GpBrush *brush,
3532 GDIPCONST GpPointF *points, INT count, GpFillMode fillMode)
3534 GpStatus stat;
3535 GpPath *path;
3537 TRACE("(%p, %p, %p, %d, %d)\n", graphics, brush, points, count, fillMode);
3539 if(!graphics || !brush || !points || !count)
3540 return InvalidParameter;
3542 if(graphics->busy)
3543 return ObjectBusy;
3545 stat = GdipCreatePath(fillMode, &path);
3547 if (stat == Ok)
3549 stat = GdipAddPathPolygon(path, points, count);
3551 if (stat == Ok)
3552 stat = GdipFillPath(graphics, brush, path);
3554 GdipDeletePath(path);
3557 return stat;
3560 GpStatus WINGDIPAPI GdipFillPolygonI(GpGraphics *graphics, GpBrush *brush,
3561 GDIPCONST GpPoint *points, INT count, GpFillMode fillMode)
3563 GpStatus stat;
3564 GpPath *path;
3566 TRACE("(%p, %p, %p, %d, %d)\n", graphics, brush, points, count, fillMode);
3568 if(!graphics || !brush || !points || !count)
3569 return InvalidParameter;
3571 if(graphics->busy)
3572 return ObjectBusy;
3574 stat = GdipCreatePath(fillMode, &path);
3576 if (stat == Ok)
3578 stat = GdipAddPathPolygonI(path, points, count);
3580 if (stat == Ok)
3581 stat = GdipFillPath(graphics, brush, path);
3583 GdipDeletePath(path);
3586 return stat;
3589 GpStatus WINGDIPAPI GdipFillPolygon2(GpGraphics *graphics, GpBrush *brush,
3590 GDIPCONST GpPointF *points, INT count)
3592 TRACE("(%p, %p, %p, %d)\n", graphics, brush, points, count);
3594 return GdipFillPolygon(graphics, brush, points, count, FillModeAlternate);
3597 GpStatus WINGDIPAPI GdipFillPolygon2I(GpGraphics *graphics, GpBrush *brush,
3598 GDIPCONST GpPoint *points, INT count)
3600 TRACE("(%p, %p, %p, %d)\n", graphics, brush, points, count);
3602 return GdipFillPolygonI(graphics, brush, points, count, FillModeAlternate);
3605 GpStatus WINGDIPAPI GdipFillRectangle(GpGraphics *graphics, GpBrush *brush,
3606 REAL x, REAL y, REAL width, REAL height)
3608 GpStatus stat;
3609 GpPath *path;
3611 TRACE("(%p, %p, %.2f, %.2f, %.2f, %.2f)\n", graphics, brush, x, y, width, height);
3613 if(!graphics || !brush)
3614 return InvalidParameter;
3616 if(graphics->busy)
3617 return ObjectBusy;
3619 stat = GdipCreatePath(FillModeAlternate, &path);
3621 if (stat == Ok)
3623 stat = GdipAddPathRectangle(path, x, y, width, height);
3625 if (stat == Ok)
3626 stat = GdipFillPath(graphics, brush, path);
3628 GdipDeletePath(path);
3631 return stat;
3634 GpStatus WINGDIPAPI GdipFillRectangleI(GpGraphics *graphics, GpBrush *brush,
3635 INT x, INT y, INT width, INT height)
3637 TRACE("(%p, %p, %d, %d, %d, %d)\n", graphics, brush, x, y, width, height);
3639 return GdipFillRectangle(graphics, brush, x, y, width, height);
3642 GpStatus WINGDIPAPI GdipFillRectangles(GpGraphics *graphics, GpBrush *brush, GDIPCONST GpRectF *rects,
3643 INT count)
3645 GpStatus ret;
3646 INT i;
3648 TRACE("(%p, %p, %p, %d)\n", graphics, brush, rects, count);
3650 if(!rects)
3651 return InvalidParameter;
3653 for(i = 0; i < count; i++){
3654 ret = GdipFillRectangle(graphics, brush, rects[i].X, rects[i].Y, rects[i].Width, rects[i].Height);
3655 if(ret != Ok) return ret;
3658 return Ok;
3661 GpStatus WINGDIPAPI GdipFillRectanglesI(GpGraphics *graphics, GpBrush *brush, GDIPCONST GpRect *rects,
3662 INT count)
3664 GpRectF *rectsF;
3665 GpStatus ret;
3666 INT i;
3668 TRACE("(%p, %p, %p, %d)\n", graphics, brush, rects, count);
3670 if(!rects || count <= 0)
3671 return InvalidParameter;
3673 rectsF = GdipAlloc(sizeof(GpRectF)*count);
3674 if(!rectsF)
3675 return OutOfMemory;
3677 for(i = 0; i < count; i++){
3678 rectsF[i].X = (REAL)rects[i].X;
3679 rectsF[i].Y = (REAL)rects[i].Y;
3680 rectsF[i].X = (REAL)rects[i].Width;
3681 rectsF[i].Height = (REAL)rects[i].Height;
3684 ret = GdipFillRectangles(graphics,brush,rectsF,count);
3685 GdipFree(rectsF);
3687 return ret;
3690 static GpStatus GDI32_GdipFillRegion(GpGraphics* graphics, GpBrush* brush,
3691 GpRegion* region)
3693 INT save_state;
3694 GpStatus status;
3695 HRGN hrgn;
3696 RECT rc;
3698 if(!graphics->hdc || !brush_can_fill_path(brush))
3699 return NotImplemented;
3701 status = GdipGetRegionHRgn(region, graphics, &hrgn);
3702 if(status != Ok)
3703 return status;
3705 save_state = SaveDC(graphics->hdc);
3706 EndPath(graphics->hdc);
3708 ExtSelectClipRgn(graphics->hdc, hrgn, RGN_AND);
3710 if (GetClipBox(graphics->hdc, &rc) != NULLREGION)
3712 BeginPath(graphics->hdc);
3713 Rectangle(graphics->hdc, rc.left, rc.top, rc.right, rc.bottom);
3714 EndPath(graphics->hdc);
3716 brush_fill_path(graphics, brush);
3719 RestoreDC(graphics->hdc, save_state);
3721 DeleteObject(hrgn);
3723 return Ok;
3726 static GpStatus SOFTWARE_GdipFillRegion(GpGraphics *graphics, GpBrush *brush,
3727 GpRegion* region)
3729 GpStatus stat;
3730 GpRegion *temp_region;
3731 GpMatrix *world_to_device, *identity;
3732 GpRectF graphics_bounds;
3733 UINT scans_count, i;
3734 INT dummy;
3735 GpRect *scans = NULL;
3736 DWORD *pixel_data;
3738 if (!brush_can_fill_pixels(brush))
3739 return NotImplemented;
3741 stat = get_graphics_bounds(graphics, &graphics_bounds);
3743 if (stat == Ok)
3744 stat = GdipCloneRegion(region, &temp_region);
3746 if (stat == Ok)
3748 stat = get_graphics_transform(graphics, CoordinateSpaceDevice,
3749 CoordinateSpaceWorld, &world_to_device);
3751 if (stat == Ok)
3753 stat = GdipTransformRegion(temp_region, world_to_device);
3755 GdipDeleteMatrix(world_to_device);
3758 if (stat == Ok)
3759 stat = GdipCombineRegionRect(temp_region, &graphics_bounds, CombineModeIntersect);
3761 if (stat == Ok)
3762 stat = GdipCreateMatrix(&identity);
3764 if (stat == Ok)
3766 stat = GdipGetRegionScansCount(temp_region, &scans_count, identity);
3768 if (stat == Ok && scans_count != 0)
3770 scans = GdipAlloc(sizeof(*scans) * scans_count);
3771 if (!scans)
3772 stat = OutOfMemory;
3774 if (stat == Ok)
3776 stat = GdipGetRegionScansI(temp_region, scans, &dummy, identity);
3778 if (stat != Ok)
3779 GdipFree(scans);
3783 GdipDeleteMatrix(identity);
3786 GdipDeleteRegion(temp_region);
3789 if (stat == Ok && scans_count == 0)
3790 return Ok;
3792 if (stat == Ok)
3794 if (!graphics->image)
3796 /* If we have to go through gdi32, use as few alpha blends as possible. */
3797 INT min_x, min_y, max_x, max_y;
3798 UINT data_width, data_height;
3800 min_x = scans[0].X;
3801 min_y = scans[0].Y;
3802 max_x = scans[0].X+scans[0].Width;
3803 max_y = scans[0].Y+scans[0].Height;
3805 for (i=1; i<scans_count; i++)
3807 min_x = min(min_x, scans[i].X);
3808 min_y = min(min_y, scans[i].Y);
3809 max_x = max(max_x, scans[i].X+scans[i].Width);
3810 max_y = max(max_y, scans[i].Y+scans[i].Height);
3813 data_width = max_x - min_x;
3814 data_height = max_y - min_y;
3816 pixel_data = GdipAlloc(sizeof(*pixel_data) * data_width * data_height);
3817 if (!pixel_data)
3818 stat = OutOfMemory;
3820 if (stat == Ok)
3822 for (i=0; i<scans_count; i++)
3824 stat = brush_fill_pixels(graphics, brush,
3825 pixel_data + (scans[i].X - min_x) + (scans[i].Y - min_y) * data_width,
3826 &scans[i], data_width);
3828 if (stat != Ok)
3829 break;
3832 if (stat == Ok)
3834 stat = alpha_blend_pixels(graphics, min_x, min_y,
3835 (BYTE*)pixel_data, data_width, data_height,
3836 data_width * 4);
3839 GdipFree(pixel_data);
3842 else
3844 UINT max_size=0;
3846 for (i=0; i<scans_count; i++)
3848 UINT size = scans[i].Width * scans[i].Height;
3850 if (size > max_size)
3851 max_size = size;
3854 pixel_data = GdipAlloc(sizeof(*pixel_data) * max_size);
3855 if (!pixel_data)
3856 stat = OutOfMemory;
3858 if (stat == Ok)
3860 for (i=0; i<scans_count; i++)
3862 stat = brush_fill_pixels(graphics, brush, pixel_data, &scans[i],
3863 scans[i].Width);
3865 if (stat == Ok)
3867 stat = alpha_blend_pixels(graphics, scans[i].X, scans[i].Y,
3868 (BYTE*)pixel_data, scans[i].Width, scans[i].Height,
3869 scans[i].Width * 4);
3872 if (stat != Ok)
3873 break;
3876 GdipFree(pixel_data);
3880 GdipFree(scans);
3883 return stat;
3886 /*****************************************************************************
3887 * GdipFillRegion [GDIPLUS.@]
3889 GpStatus WINGDIPAPI GdipFillRegion(GpGraphics* graphics, GpBrush* brush,
3890 GpRegion* region)
3892 GpStatus stat = NotImplemented;
3894 TRACE("(%p, %p, %p)\n", graphics, brush, region);
3896 if (!(graphics && brush && region))
3897 return InvalidParameter;
3899 if(graphics->busy)
3900 return ObjectBusy;
3902 if (!graphics->image)
3903 stat = GDI32_GdipFillRegion(graphics, brush, region);
3905 if (stat == NotImplemented)
3906 stat = SOFTWARE_GdipFillRegion(graphics, brush, region);
3908 if (stat == NotImplemented)
3910 FIXME("not implemented for brushtype %i\n", brush->bt);
3911 stat = Ok;
3914 return stat;
3917 GpStatus WINGDIPAPI GdipFlush(GpGraphics *graphics, GpFlushIntention intention)
3919 TRACE("(%p,%u)\n", graphics, intention);
3921 if(!graphics)
3922 return InvalidParameter;
3924 if(graphics->busy)
3925 return ObjectBusy;
3927 /* We have no internal operation queue, so there's no need to clear it. */
3929 if (graphics->hdc)
3930 GdiFlush();
3932 return Ok;
3935 /*****************************************************************************
3936 * GdipGetClipBounds [GDIPLUS.@]
3938 GpStatus WINGDIPAPI GdipGetClipBounds(GpGraphics *graphics, GpRectF *rect)
3940 TRACE("(%p, %p)\n", graphics, rect);
3942 if(!graphics)
3943 return InvalidParameter;
3945 if(graphics->busy)
3946 return ObjectBusy;
3948 return GdipGetRegionBounds(graphics->clip, graphics, rect);
3951 /*****************************************************************************
3952 * GdipGetClipBoundsI [GDIPLUS.@]
3954 GpStatus WINGDIPAPI GdipGetClipBoundsI(GpGraphics *graphics, GpRect *rect)
3956 TRACE("(%p, %p)\n", graphics, rect);
3958 if(!graphics)
3959 return InvalidParameter;
3961 if(graphics->busy)
3962 return ObjectBusy;
3964 return GdipGetRegionBoundsI(graphics->clip, graphics, rect);
3967 /* FIXME: Compositing mode is not used anywhere except the getter/setter. */
3968 GpStatus WINGDIPAPI GdipGetCompositingMode(GpGraphics *graphics,
3969 CompositingMode *mode)
3971 TRACE("(%p, %p)\n", graphics, mode);
3973 if(!graphics || !mode)
3974 return InvalidParameter;
3976 if(graphics->busy)
3977 return ObjectBusy;
3979 *mode = graphics->compmode;
3981 return Ok;
3984 /* FIXME: Compositing quality is not used anywhere except the getter/setter. */
3985 GpStatus WINGDIPAPI GdipGetCompositingQuality(GpGraphics *graphics,
3986 CompositingQuality *quality)
3988 TRACE("(%p, %p)\n", graphics, quality);
3990 if(!graphics || !quality)
3991 return InvalidParameter;
3993 if(graphics->busy)
3994 return ObjectBusy;
3996 *quality = graphics->compqual;
3998 return Ok;
4001 /* FIXME: Interpolation mode is not used anywhere except the getter/setter. */
4002 GpStatus WINGDIPAPI GdipGetInterpolationMode(GpGraphics *graphics,
4003 InterpolationMode *mode)
4005 TRACE("(%p, %p)\n", graphics, mode);
4007 if(!graphics || !mode)
4008 return InvalidParameter;
4010 if(graphics->busy)
4011 return ObjectBusy;
4013 *mode = graphics->interpolation;
4015 return Ok;
4018 /* FIXME: Need to handle color depths less than 24bpp */
4019 GpStatus WINGDIPAPI GdipGetNearestColor(GpGraphics *graphics, ARGB* argb)
4021 FIXME("(%p, %p): Passing color unmodified\n", graphics, argb);
4023 if(!graphics || !argb)
4024 return InvalidParameter;
4026 if(graphics->busy)
4027 return ObjectBusy;
4029 return Ok;
4032 GpStatus WINGDIPAPI GdipGetPageScale(GpGraphics *graphics, REAL *scale)
4034 TRACE("(%p, %p)\n", graphics, scale);
4036 if(!graphics || !scale)
4037 return InvalidParameter;
4039 if(graphics->busy)
4040 return ObjectBusy;
4042 *scale = graphics->scale;
4044 return Ok;
4047 GpStatus WINGDIPAPI GdipGetPageUnit(GpGraphics *graphics, GpUnit *unit)
4049 TRACE("(%p, %p)\n", graphics, unit);
4051 if(!graphics || !unit)
4052 return InvalidParameter;
4054 if(graphics->busy)
4055 return ObjectBusy;
4057 *unit = graphics->unit;
4059 return Ok;
4062 /* FIXME: Pixel offset mode is not used anywhere except the getter/setter. */
4063 GpStatus WINGDIPAPI GdipGetPixelOffsetMode(GpGraphics *graphics, PixelOffsetMode
4064 *mode)
4066 TRACE("(%p, %p)\n", graphics, mode);
4068 if(!graphics || !mode)
4069 return InvalidParameter;
4071 if(graphics->busy)
4072 return ObjectBusy;
4074 *mode = graphics->pixeloffset;
4076 return Ok;
4079 /* FIXME: Smoothing mode is not used anywhere except the getter/setter. */
4080 GpStatus WINGDIPAPI GdipGetSmoothingMode(GpGraphics *graphics, SmoothingMode *mode)
4082 TRACE("(%p, %p)\n", graphics, mode);
4084 if(!graphics || !mode)
4085 return InvalidParameter;
4087 if(graphics->busy)
4088 return ObjectBusy;
4090 *mode = graphics->smoothing;
4092 return Ok;
4095 GpStatus WINGDIPAPI GdipGetTextContrast(GpGraphics *graphics, UINT *contrast)
4097 TRACE("(%p, %p)\n", graphics, contrast);
4099 if(!graphics || !contrast)
4100 return InvalidParameter;
4102 *contrast = graphics->textcontrast;
4104 return Ok;
4107 /* FIXME: Text rendering hint is not used anywhere except the getter/setter. */
4108 GpStatus WINGDIPAPI GdipGetTextRenderingHint(GpGraphics *graphics,
4109 TextRenderingHint *hint)
4111 TRACE("(%p, %p)\n", graphics, hint);
4113 if(!graphics || !hint)
4114 return InvalidParameter;
4116 if(graphics->busy)
4117 return ObjectBusy;
4119 *hint = graphics->texthint;
4121 return Ok;
4124 GpStatus WINGDIPAPI GdipGetVisibleClipBounds(GpGraphics *graphics, GpRectF *rect)
4126 GpRegion *clip_rgn;
4127 GpStatus stat;
4129 TRACE("(%p, %p)\n", graphics, rect);
4131 if(!graphics || !rect)
4132 return InvalidParameter;
4134 if(graphics->busy)
4135 return ObjectBusy;
4137 /* intersect window and graphics clipping regions */
4138 if((stat = GdipCreateRegion(&clip_rgn)) != Ok)
4139 return stat;
4141 if((stat = get_visible_clip_region(graphics, clip_rgn)) != Ok)
4142 goto cleanup;
4144 /* get bounds of the region */
4145 stat = GdipGetRegionBounds(clip_rgn, graphics, rect);
4147 cleanup:
4148 GdipDeleteRegion(clip_rgn);
4150 return stat;
4153 GpStatus WINGDIPAPI GdipGetVisibleClipBoundsI(GpGraphics *graphics, GpRect *rect)
4155 GpRectF rectf;
4156 GpStatus stat;
4158 TRACE("(%p, %p)\n", graphics, rect);
4160 if(!graphics || !rect)
4161 return InvalidParameter;
4163 if((stat = GdipGetVisibleClipBounds(graphics, &rectf)) == Ok)
4165 rect->X = roundr(rectf.X);
4166 rect->Y = roundr(rectf.Y);
4167 rect->Width = roundr(rectf.Width);
4168 rect->Height = roundr(rectf.Height);
4171 return stat;
4174 GpStatus WINGDIPAPI GdipGetWorldTransform(GpGraphics *graphics, GpMatrix *matrix)
4176 TRACE("(%p, %p)\n", graphics, matrix);
4178 if(!graphics || !matrix)
4179 return InvalidParameter;
4181 if(graphics->busy)
4182 return ObjectBusy;
4184 *matrix = *graphics->worldtrans;
4185 return Ok;
4188 GpStatus WINGDIPAPI GdipGraphicsClear(GpGraphics *graphics, ARGB color)
4190 GpSolidFill *brush;
4191 GpStatus stat;
4192 GpRectF wnd_rect;
4194 TRACE("(%p, %x)\n", graphics, color);
4196 if(!graphics)
4197 return InvalidParameter;
4199 if(graphics->busy)
4200 return ObjectBusy;
4202 if((stat = GdipCreateSolidFill(color, &brush)) != Ok)
4203 return stat;
4205 if((stat = get_graphics_bounds(graphics, &wnd_rect)) != Ok){
4206 GdipDeleteBrush((GpBrush*)brush);
4207 return stat;
4210 GdipFillRectangle(graphics, (GpBrush*)brush, wnd_rect.X, wnd_rect.Y,
4211 wnd_rect.Width, wnd_rect.Height);
4213 GdipDeleteBrush((GpBrush*)brush);
4215 return Ok;
4218 GpStatus WINGDIPAPI GdipIsClipEmpty(GpGraphics *graphics, BOOL *res)
4220 TRACE("(%p, %p)\n", graphics, res);
4222 if(!graphics || !res)
4223 return InvalidParameter;
4225 return GdipIsEmptyRegion(graphics->clip, graphics, res);
4228 GpStatus WINGDIPAPI GdipIsVisiblePoint(GpGraphics *graphics, REAL x, REAL y, BOOL *result)
4230 GpStatus stat;
4231 GpRegion* rgn;
4232 GpPointF pt;
4234 TRACE("(%p, %.2f, %.2f, %p)\n", graphics, x, y, result);
4236 if(!graphics || !result)
4237 return InvalidParameter;
4239 if(graphics->busy)
4240 return ObjectBusy;
4242 pt.X = x;
4243 pt.Y = y;
4244 if((stat = GdipTransformPoints(graphics, CoordinateSpaceDevice,
4245 CoordinateSpaceWorld, &pt, 1)) != Ok)
4246 return stat;
4248 if((stat = GdipCreateRegion(&rgn)) != Ok)
4249 return stat;
4251 if((stat = get_visible_clip_region(graphics, rgn)) != Ok)
4252 goto cleanup;
4254 stat = GdipIsVisibleRegionPoint(rgn, pt.X, pt.Y, graphics, result);
4256 cleanup:
4257 GdipDeleteRegion(rgn);
4258 return stat;
4261 GpStatus WINGDIPAPI GdipIsVisiblePointI(GpGraphics *graphics, INT x, INT y, BOOL *result)
4263 return GdipIsVisiblePoint(graphics, (REAL)x, (REAL)y, result);
4266 GpStatus WINGDIPAPI GdipIsVisibleRect(GpGraphics *graphics, REAL x, REAL y, REAL width, REAL height, BOOL *result)
4268 GpStatus stat;
4269 GpRegion* rgn;
4270 GpPointF pts[2];
4272 TRACE("(%p %.2f %.2f %.2f %.2f %p)\n", graphics, x, y, width, height, result);
4274 if(!graphics || !result)
4275 return InvalidParameter;
4277 if(graphics->busy)
4278 return ObjectBusy;
4280 pts[0].X = x;
4281 pts[0].Y = y;
4282 pts[1].X = x + width;
4283 pts[1].Y = y + height;
4285 if((stat = GdipTransformPoints(graphics, CoordinateSpaceDevice,
4286 CoordinateSpaceWorld, pts, 2)) != Ok)
4287 return stat;
4289 pts[1].X -= pts[0].X;
4290 pts[1].Y -= pts[0].Y;
4292 if((stat = GdipCreateRegion(&rgn)) != Ok)
4293 return stat;
4295 if((stat = get_visible_clip_region(graphics, rgn)) != Ok)
4296 goto cleanup;
4298 stat = GdipIsVisibleRegionRect(rgn, pts[0].X, pts[0].Y, pts[1].X, pts[1].Y, graphics, result);
4300 cleanup:
4301 GdipDeleteRegion(rgn);
4302 return stat;
4305 GpStatus WINGDIPAPI GdipIsVisibleRectI(GpGraphics *graphics, INT x, INT y, INT width, INT height, BOOL *result)
4307 return GdipIsVisibleRect(graphics, (REAL)x, (REAL)y, (REAL)width, (REAL)height, result);
4310 GpStatus gdip_format_string(HDC hdc,
4311 GDIPCONST WCHAR *string, INT length, GDIPCONST GpFont *font,
4312 GDIPCONST RectF *rect, GDIPCONST GpStringFormat *format,
4313 gdip_format_string_callback callback, void *user_data)
4315 WCHAR* stringdup;
4316 int sum = 0, height = 0, fit, fitcpy, i, j, lret, nwidth,
4317 nheight, lineend, lineno = 0;
4318 RectF bounds;
4319 StringAlignment halign;
4320 GpStatus stat = Ok;
4321 SIZE size;
4323 if(length == -1) length = lstrlenW(string);
4325 stringdup = GdipAlloc((length + 1) * sizeof(WCHAR));
4326 if(!stringdup) return OutOfMemory;
4328 nwidth = roundr(rect->Width);
4329 nheight = roundr(rect->Height);
4331 if (rect->Width >= INT_MAX || rect->Width < 0.5) nwidth = INT_MAX;
4332 if (rect->Height >= INT_MAX || rect->Height < 0.5) nheight = INT_MAX;
4334 for(i = 0, j = 0; i < length; i++){
4335 /* FIXME: This makes the indexes passed to callback inaccurate. */
4336 if(!isprintW(string[i]) && (string[i] != '\n'))
4337 continue;
4339 stringdup[j] = string[i];
4340 j++;
4343 length = j;
4345 if (format) halign = format->align;
4346 else halign = StringAlignmentNear;
4348 while(sum < length){
4349 GetTextExtentExPointW(hdc, stringdup + sum, length - sum,
4350 nwidth, &fit, NULL, &size);
4351 fitcpy = fit;
4353 if(fit == 0)
4354 break;
4356 for(lret = 0; lret < fit; lret++)
4357 if(*(stringdup + sum + lret) == '\n')
4358 break;
4360 /* Line break code (may look strange, but it imitates windows). */
4361 if(lret < fit)
4362 lineend = fit = lret; /* this is not an off-by-one error */
4363 else if(fit < (length - sum)){
4364 if(*(stringdup + sum + fit) == ' ')
4365 while(*(stringdup + sum + fit) == ' ')
4366 fit++;
4367 else
4368 while(*(stringdup + sum + fit - 1) != ' '){
4369 fit--;
4371 if(*(stringdup + sum + fit) == '\t')
4372 break;
4374 if(fit == 0){
4375 fit = fitcpy;
4376 break;
4379 lineend = fit;
4380 while(*(stringdup + sum + lineend - 1) == ' ' ||
4381 *(stringdup + sum + lineend - 1) == '\t')
4382 lineend--;
4384 else
4385 lineend = fit;
4387 GetTextExtentExPointW(hdc, stringdup + sum, lineend,
4388 nwidth, &j, NULL, &size);
4390 bounds.Width = size.cx;
4392 if(height + size.cy > nheight)
4393 bounds.Height = nheight - (height + size.cy);
4394 else
4395 bounds.Height = size.cy;
4397 bounds.Y = rect->Y + height;
4399 switch (halign)
4401 case StringAlignmentNear:
4402 default:
4403 bounds.X = rect->X;
4404 break;
4405 case StringAlignmentCenter:
4406 bounds.X = rect->X + (rect->Width/2) - (bounds.Width/2);
4407 break;
4408 case StringAlignmentFar:
4409 bounds.X = rect->X + rect->Width - bounds.Width;
4410 break;
4413 stat = callback(hdc, stringdup, sum, lineend,
4414 font, rect, format, lineno, &bounds, user_data);
4416 if (stat != Ok)
4417 break;
4419 sum += fit + (lret < fitcpy ? 1 : 0);
4420 height += size.cy;
4421 lineno++;
4423 if(height > nheight)
4424 break;
4426 /* Stop if this was a linewrap (but not if it was a linebreak). */
4427 if((lret == fitcpy) && format && (format->attr & StringFormatFlagsNoWrap))
4428 break;
4431 GdipFree(stringdup);
4433 return stat;
4436 struct measure_ranges_args {
4437 GpRegion **regions;
4440 static GpStatus measure_ranges_callback(HDC hdc,
4441 GDIPCONST WCHAR *string, INT index, INT length, GDIPCONST GpFont *font,
4442 GDIPCONST RectF *rect, GDIPCONST GpStringFormat *format,
4443 INT lineno, const RectF *bounds, void *user_data)
4445 int i;
4446 GpStatus stat = Ok;
4447 struct measure_ranges_args *args = user_data;
4449 for (i=0; i<format->range_count; i++)
4451 INT range_start = max(index, format->character_ranges[i].First);
4452 INT range_end = min(index+length, format->character_ranges[i].First+format->character_ranges[i].Length);
4453 if (range_start < range_end)
4455 GpRectF range_rect;
4456 SIZE range_size;
4458 range_rect.Y = bounds->Y;
4459 range_rect.Height = bounds->Height;
4461 GetTextExtentExPointW(hdc, string + index, range_start - index,
4462 INT_MAX, NULL, NULL, &range_size);
4463 range_rect.X = bounds->X + range_size.cx;
4465 GetTextExtentExPointW(hdc, string + index, range_end - index,
4466 INT_MAX, NULL, NULL, &range_size);
4467 range_rect.Width = (bounds->X + range_size.cx) - range_rect.X;
4469 stat = GdipCombineRegionRect(args->regions[i], &range_rect, CombineModeUnion);
4470 if (stat != Ok)
4471 break;
4475 return stat;
4478 GpStatus WINGDIPAPI GdipMeasureCharacterRanges(GpGraphics* graphics,
4479 GDIPCONST WCHAR* string, INT length, GDIPCONST GpFont* font,
4480 GDIPCONST RectF* layoutRect, GDIPCONST GpStringFormat *stringFormat,
4481 INT regionCount, GpRegion** regions)
4483 GpStatus stat;
4484 int i;
4485 HFONT oldfont;
4486 struct measure_ranges_args args;
4487 HDC hdc, temp_hdc=NULL;
4489 TRACE("(%p %s %d %p %s %p %d %p)\n", graphics, debugstr_w(string),
4490 length, font, debugstr_rectf(layoutRect), stringFormat, regionCount, regions);
4492 if (!(graphics && string && font && layoutRect && stringFormat && regions))
4493 return InvalidParameter;
4495 if (regionCount < stringFormat->range_count)
4496 return InvalidParameter;
4498 if(!graphics->hdc)
4500 hdc = temp_hdc = CreateCompatibleDC(0);
4501 if (!temp_hdc) return OutOfMemory;
4503 else
4504 hdc = graphics->hdc;
4506 if (stringFormat->attr)
4507 TRACE("may be ignoring some format flags: attr %x\n", stringFormat->attr);
4509 oldfont = SelectObject(hdc, CreateFontIndirectW(&font->lfw));
4511 for (i=0; i<stringFormat->range_count; i++)
4513 stat = GdipSetEmpty(regions[i]);
4514 if (stat != Ok)
4515 return stat;
4518 args.regions = regions;
4520 stat = gdip_format_string(hdc, string, length, font, layoutRect, stringFormat,
4521 measure_ranges_callback, &args);
4523 DeleteObject(SelectObject(hdc, oldfont));
4525 if (temp_hdc)
4526 DeleteDC(temp_hdc);
4528 return stat;
4531 struct measure_string_args {
4532 RectF *bounds;
4533 INT *codepointsfitted;
4534 INT *linesfilled;
4537 static GpStatus measure_string_callback(HDC hdc,
4538 GDIPCONST WCHAR *string, INT index, INT length, GDIPCONST GpFont *font,
4539 GDIPCONST RectF *rect, GDIPCONST GpStringFormat *format,
4540 INT lineno, const RectF *bounds, void *user_data)
4542 struct measure_string_args *args = user_data;
4544 if (bounds->Width > args->bounds->Width)
4545 args->bounds->Width = bounds->Width;
4547 if (bounds->Height + bounds->Y > args->bounds->Height + args->bounds->Y)
4548 args->bounds->Height = bounds->Height + bounds->Y - args->bounds->Y;
4550 if (args->codepointsfitted)
4551 *args->codepointsfitted = index + length;
4553 if (args->linesfilled)
4554 (*args->linesfilled)++;
4556 return Ok;
4559 /* Find the smallest rectangle that bounds the text when it is printed in rect
4560 * according to the format options listed in format. If rect has 0 width and
4561 * height, then just find the smallest rectangle that bounds the text when it's
4562 * printed at location (rect->X, rect-Y). */
4563 GpStatus WINGDIPAPI GdipMeasureString(GpGraphics *graphics,
4564 GDIPCONST WCHAR *string, INT length, GDIPCONST GpFont *font,
4565 GDIPCONST RectF *rect, GDIPCONST GpStringFormat *format, RectF *bounds,
4566 INT *codepointsfitted, INT *linesfilled)
4568 HFONT oldfont;
4569 struct measure_string_args args;
4570 HDC temp_hdc=NULL, hdc;
4572 TRACE("(%p, %s, %i, %p, %s, %p, %p, %p, %p)\n", graphics,
4573 debugstr_wn(string, length), length, font, debugstr_rectf(rect), format,
4574 bounds, codepointsfitted, linesfilled);
4576 if(!graphics || !string || !font || !rect || !bounds)
4577 return InvalidParameter;
4579 if(!graphics->hdc)
4581 hdc = temp_hdc = CreateCompatibleDC(0);
4582 if (!temp_hdc) return OutOfMemory;
4584 else
4585 hdc = graphics->hdc;
4587 if(linesfilled) *linesfilled = 0;
4588 if(codepointsfitted) *codepointsfitted = 0;
4590 if(format)
4591 TRACE("may be ignoring some format flags: attr %x\n", format->attr);
4593 oldfont = SelectObject(hdc, CreateFontIndirectW(&font->lfw));
4595 bounds->X = rect->X;
4596 bounds->Y = rect->Y;
4597 bounds->Width = 0.0;
4598 bounds->Height = 0.0;
4600 args.bounds = bounds;
4601 args.codepointsfitted = codepointsfitted;
4602 args.linesfilled = linesfilled;
4604 gdip_format_string(hdc, string, length, font, rect, format,
4605 measure_string_callback, &args);
4607 DeleteObject(SelectObject(hdc, oldfont));
4609 if (temp_hdc)
4610 DeleteDC(temp_hdc);
4612 return Ok;
4615 struct draw_string_args {
4616 GpGraphics *graphics;
4617 GDIPCONST GpBrush *brush;
4618 REAL x, y, rel_width, rel_height, ascent;
4621 static GpStatus draw_string_callback(HDC hdc,
4622 GDIPCONST WCHAR *string, INT index, INT length, GDIPCONST GpFont *font,
4623 GDIPCONST RectF *rect, GDIPCONST GpStringFormat *format,
4624 INT lineno, const RectF *bounds, void *user_data)
4626 struct draw_string_args *args = user_data;
4627 PointF position;
4629 position.X = args->x + bounds->X / args->rel_width;
4630 position.Y = args->y + bounds->Y / args->rel_height + args->ascent;
4632 return GdipDrawDriverString(args->graphics, &string[index], length, font,
4633 args->brush, &position,
4634 DriverStringOptionsCmapLookup|DriverStringOptionsRealizedAdvance, NULL);
4637 GpStatus WINGDIPAPI GdipDrawString(GpGraphics *graphics, GDIPCONST WCHAR *string,
4638 INT length, GDIPCONST GpFont *font, GDIPCONST RectF *rect,
4639 GDIPCONST GpStringFormat *format, GDIPCONST GpBrush *brush)
4641 HRGN rgn = NULL;
4642 HFONT gdifont;
4643 GpPointF pt[3], rectcpy[4];
4644 POINT corners[4];
4645 REAL rel_width, rel_height;
4646 INT save_state;
4647 REAL offsety = 0.0;
4648 struct draw_string_args args;
4649 RectF scaled_rect;
4650 HDC hdc, temp_hdc=NULL;
4651 TEXTMETRICW textmetric;
4653 TRACE("(%p, %s, %i, %p, %s, %p, %p)\n", graphics, debugstr_wn(string, length),
4654 length, font, debugstr_rectf(rect), format, brush);
4656 if(!graphics || !string || !font || !brush || !rect)
4657 return InvalidParameter;
4659 if(graphics->hdc)
4661 hdc = graphics->hdc;
4663 else
4665 hdc = temp_hdc = CreateCompatibleDC(0);
4668 if(format){
4669 TRACE("may be ignoring some format flags: attr %x\n", format->attr);
4671 /* Should be no need to explicitly test for StringAlignmentNear as
4672 * that is default behavior if no alignment is passed. */
4673 if(format->vertalign != StringAlignmentNear){
4674 RectF bounds;
4675 GdipMeasureString(graphics, string, length, font, rect, format, &bounds, 0, 0);
4677 if(format->vertalign == StringAlignmentCenter)
4678 offsety = (rect->Height - bounds.Height) / 2;
4679 else if(format->vertalign == StringAlignmentFar)
4680 offsety = (rect->Height - bounds.Height);
4684 save_state = SaveDC(hdc);
4686 pt[0].X = 0.0;
4687 pt[0].Y = 0.0;
4688 pt[1].X = 1.0;
4689 pt[1].Y = 0.0;
4690 pt[2].X = 0.0;
4691 pt[2].Y = 1.0;
4692 GdipTransformPoints(graphics, CoordinateSpaceDevice, CoordinateSpaceWorld, pt, 3);
4693 rel_width = sqrt((pt[1].Y-pt[0].Y)*(pt[1].Y-pt[0].Y)+
4694 (pt[1].X-pt[0].X)*(pt[1].X-pt[0].X));
4695 rel_height = sqrt((pt[2].Y-pt[0].Y)*(pt[2].Y-pt[0].Y)+
4696 (pt[2].X-pt[0].X)*(pt[2].X-pt[0].X));
4698 rectcpy[3].X = rectcpy[0].X = rect->X;
4699 rectcpy[1].Y = rectcpy[0].Y = rect->Y + offsety;
4700 rectcpy[2].X = rectcpy[1].X = rect->X + rect->Width;
4701 rectcpy[3].Y = rectcpy[2].Y = rect->Y + offsety + rect->Height;
4702 transform_and_round_points(graphics, corners, rectcpy, 4);
4704 scaled_rect.X = 0.0;
4705 scaled_rect.Y = 0.0;
4706 scaled_rect.Width = rel_width * rect->Width;
4707 scaled_rect.Height = rel_height * rect->Height;
4709 if (roundr(scaled_rect.Width) != 0 && roundr(scaled_rect.Height) != 0)
4711 /* FIXME: If only the width or only the height is 0, we should probably still clip */
4712 rgn = CreatePolygonRgn(corners, 4, ALTERNATE);
4713 SelectClipRgn(hdc, rgn);
4716 get_font_hfont(graphics, font, &gdifont);
4717 SelectObject(hdc, gdifont);
4719 args.graphics = graphics;
4720 args.brush = brush;
4722 args.x = rect->X;
4723 args.y = rect->Y + offsety;
4725 args.rel_width = rel_width;
4726 args.rel_height = rel_height;
4728 GetTextMetricsW(hdc, &textmetric);
4729 args.ascent = textmetric.tmAscent / rel_height;
4731 gdip_format_string(hdc, string, length, font, &scaled_rect, format,
4732 draw_string_callback, &args);
4734 DeleteObject(rgn);
4735 DeleteObject(gdifont);
4737 RestoreDC(hdc, save_state);
4739 DeleteDC(temp_hdc);
4741 return Ok;
4744 GpStatus WINGDIPAPI GdipResetClip(GpGraphics *graphics)
4746 TRACE("(%p)\n", graphics);
4748 if(!graphics)
4749 return InvalidParameter;
4751 if(graphics->busy)
4752 return ObjectBusy;
4754 return GdipSetInfinite(graphics->clip);
4757 GpStatus WINGDIPAPI GdipResetWorldTransform(GpGraphics *graphics)
4759 TRACE("(%p)\n", graphics);
4761 if(!graphics)
4762 return InvalidParameter;
4764 if(graphics->busy)
4765 return ObjectBusy;
4767 graphics->worldtrans->matrix[0] = 1.0;
4768 graphics->worldtrans->matrix[1] = 0.0;
4769 graphics->worldtrans->matrix[2] = 0.0;
4770 graphics->worldtrans->matrix[3] = 1.0;
4771 graphics->worldtrans->matrix[4] = 0.0;
4772 graphics->worldtrans->matrix[5] = 0.0;
4774 return Ok;
4777 GpStatus WINGDIPAPI GdipRestoreGraphics(GpGraphics *graphics, GraphicsState state)
4779 return GdipEndContainer(graphics, state);
4782 GpStatus WINGDIPAPI GdipRotateWorldTransform(GpGraphics *graphics, REAL angle,
4783 GpMatrixOrder order)
4785 TRACE("(%p, %.2f, %d)\n", graphics, angle, order);
4787 if(!graphics)
4788 return InvalidParameter;
4790 if(graphics->busy)
4791 return ObjectBusy;
4793 return GdipRotateMatrix(graphics->worldtrans, angle, order);
4796 GpStatus WINGDIPAPI GdipSaveGraphics(GpGraphics *graphics, GraphicsState *state)
4798 return GdipBeginContainer2(graphics, state);
4801 GpStatus WINGDIPAPI GdipBeginContainer2(GpGraphics *graphics,
4802 GraphicsContainer *state)
4804 GraphicsContainerItem *container;
4805 GpStatus sts;
4807 TRACE("(%p, %p)\n", graphics, state);
4809 if(!graphics || !state)
4810 return InvalidParameter;
4812 sts = init_container(&container, graphics);
4813 if(sts != Ok)
4814 return sts;
4816 list_add_head(&graphics->containers, &container->entry);
4817 *state = graphics->contid = container->contid;
4819 return Ok;
4822 GpStatus WINGDIPAPI GdipBeginContainer(GpGraphics *graphics, GDIPCONST GpRectF *dstrect, GDIPCONST GpRectF *srcrect, GpUnit unit, GraphicsContainer *state)
4824 FIXME("(%p, %p, %p, %d, %p): stub\n", graphics, dstrect, srcrect, unit, state);
4825 return NotImplemented;
4828 GpStatus WINGDIPAPI GdipBeginContainerI(GpGraphics *graphics, GDIPCONST GpRect *dstrect, GDIPCONST GpRect *srcrect, GpUnit unit, GraphicsContainer *state)
4830 FIXME("(%p, %p, %p, %d, %p): stub\n", graphics, dstrect, srcrect, unit, state);
4831 return NotImplemented;
4834 GpStatus WINGDIPAPI GdipComment(GpGraphics *graphics, UINT sizeData, GDIPCONST BYTE *data)
4836 FIXME("(%p, %d, %p): stub\n", graphics, sizeData, data);
4837 return NotImplemented;
4840 GpStatus WINGDIPAPI GdipEndContainer(GpGraphics *graphics, GraphicsContainer state)
4842 GpStatus sts;
4843 GraphicsContainerItem *container, *container2;
4845 TRACE("(%p, %x)\n", graphics, state);
4847 if(!graphics)
4848 return InvalidParameter;
4850 LIST_FOR_EACH_ENTRY(container, &graphics->containers, GraphicsContainerItem, entry){
4851 if(container->contid == state)
4852 break;
4855 /* did not find a matching container */
4856 if(&container->entry == &graphics->containers)
4857 return Ok;
4859 sts = restore_container(graphics, container);
4860 if(sts != Ok)
4861 return sts;
4863 /* remove all of the containers on top of the found container */
4864 LIST_FOR_EACH_ENTRY_SAFE(container, container2, &graphics->containers, GraphicsContainerItem, entry){
4865 if(container->contid == state)
4866 break;
4867 list_remove(&container->entry);
4868 delete_container(container);
4871 list_remove(&container->entry);
4872 delete_container(container);
4874 return Ok;
4877 GpStatus WINGDIPAPI GdipScaleWorldTransform(GpGraphics *graphics, REAL sx,
4878 REAL sy, GpMatrixOrder order)
4880 TRACE("(%p, %.2f, %.2f, %d)\n", graphics, sx, sy, order);
4882 if(!graphics)
4883 return InvalidParameter;
4885 if(graphics->busy)
4886 return ObjectBusy;
4888 return GdipScaleMatrix(graphics->worldtrans, sx, sy, order);
4891 GpStatus WINGDIPAPI GdipSetClipGraphics(GpGraphics *graphics, GpGraphics *srcgraphics,
4892 CombineMode mode)
4894 TRACE("(%p, %p, %d)\n", graphics, srcgraphics, mode);
4896 if(!graphics || !srcgraphics)
4897 return InvalidParameter;
4899 return GdipCombineRegionRegion(graphics->clip, srcgraphics->clip, mode);
4902 GpStatus WINGDIPAPI GdipSetCompositingMode(GpGraphics *graphics,
4903 CompositingMode mode)
4905 TRACE("(%p, %d)\n", graphics, mode);
4907 if(!graphics)
4908 return InvalidParameter;
4910 if(graphics->busy)
4911 return ObjectBusy;
4913 graphics->compmode = mode;
4915 return Ok;
4918 GpStatus WINGDIPAPI GdipSetCompositingQuality(GpGraphics *graphics,
4919 CompositingQuality quality)
4921 TRACE("(%p, %d)\n", graphics, quality);
4923 if(!graphics)
4924 return InvalidParameter;
4926 if(graphics->busy)
4927 return ObjectBusy;
4929 graphics->compqual = quality;
4931 return Ok;
4934 GpStatus WINGDIPAPI GdipSetInterpolationMode(GpGraphics *graphics,
4935 InterpolationMode mode)
4937 TRACE("(%p, %d)\n", graphics, mode);
4939 if(!graphics || mode == InterpolationModeInvalid || mode > InterpolationModeHighQualityBicubic)
4940 return InvalidParameter;
4942 if(graphics->busy)
4943 return ObjectBusy;
4945 if (mode == InterpolationModeDefault || mode == InterpolationModeLowQuality)
4946 mode = InterpolationModeBilinear;
4948 if (mode == InterpolationModeHighQuality)
4949 mode = InterpolationModeHighQualityBicubic;
4951 graphics->interpolation = mode;
4953 return Ok;
4956 GpStatus WINGDIPAPI GdipSetPageScale(GpGraphics *graphics, REAL scale)
4958 TRACE("(%p, %.2f)\n", graphics, scale);
4960 if(!graphics || (scale <= 0.0))
4961 return InvalidParameter;
4963 if(graphics->busy)
4964 return ObjectBusy;
4966 graphics->scale = scale;
4968 return Ok;
4971 GpStatus WINGDIPAPI GdipSetPageUnit(GpGraphics *graphics, GpUnit unit)
4973 TRACE("(%p, %d)\n", graphics, unit);
4975 if(!graphics)
4976 return InvalidParameter;
4978 if(graphics->busy)
4979 return ObjectBusy;
4981 if(unit == UnitWorld)
4982 return InvalidParameter;
4984 graphics->unit = unit;
4986 return Ok;
4989 GpStatus WINGDIPAPI GdipSetPixelOffsetMode(GpGraphics *graphics, PixelOffsetMode
4990 mode)
4992 TRACE("(%p, %d)\n", graphics, mode);
4994 if(!graphics)
4995 return InvalidParameter;
4997 if(graphics->busy)
4998 return ObjectBusy;
5000 graphics->pixeloffset = mode;
5002 return Ok;
5005 GpStatus WINGDIPAPI GdipSetRenderingOrigin(GpGraphics *graphics, INT x, INT y)
5007 static int calls;
5009 TRACE("(%p,%i,%i)\n", graphics, x, y);
5011 if (!(calls++))
5012 FIXME("not implemented\n");
5014 return NotImplemented;
5017 GpStatus WINGDIPAPI GdipGetRenderingOrigin(GpGraphics *graphics, INT *x, INT *y)
5019 static int calls;
5021 TRACE("(%p,%p,%p)\n", graphics, x, y);
5023 if (!(calls++))
5024 FIXME("not implemented\n");
5026 *x = *y = 0;
5028 return NotImplemented;
5031 GpStatus WINGDIPAPI GdipSetSmoothingMode(GpGraphics *graphics, SmoothingMode mode)
5033 TRACE("(%p, %d)\n", graphics, mode);
5035 if(!graphics)
5036 return InvalidParameter;
5038 if(graphics->busy)
5039 return ObjectBusy;
5041 graphics->smoothing = mode;
5043 return Ok;
5046 GpStatus WINGDIPAPI GdipSetTextContrast(GpGraphics *graphics, UINT contrast)
5048 TRACE("(%p, %d)\n", graphics, contrast);
5050 if(!graphics)
5051 return InvalidParameter;
5053 graphics->textcontrast = contrast;
5055 return Ok;
5058 GpStatus WINGDIPAPI GdipSetTextRenderingHint(GpGraphics *graphics,
5059 TextRenderingHint hint)
5061 TRACE("(%p, %d)\n", graphics, hint);
5063 if(!graphics || hint > TextRenderingHintClearTypeGridFit)
5064 return InvalidParameter;
5066 if(graphics->busy)
5067 return ObjectBusy;
5069 graphics->texthint = hint;
5071 return Ok;
5074 GpStatus WINGDIPAPI GdipSetWorldTransform(GpGraphics *graphics, GpMatrix *matrix)
5076 TRACE("(%p, %p)\n", graphics, matrix);
5078 if(!graphics || !matrix)
5079 return InvalidParameter;
5081 if(graphics->busy)
5082 return ObjectBusy;
5084 GdipDeleteMatrix(graphics->worldtrans);
5085 return GdipCloneMatrix(matrix, &graphics->worldtrans);
5088 GpStatus WINGDIPAPI GdipTranslateWorldTransform(GpGraphics *graphics, REAL dx,
5089 REAL dy, GpMatrixOrder order)
5091 TRACE("(%p, %.2f, %.2f, %d)\n", graphics, dx, dy, order);
5093 if(!graphics)
5094 return InvalidParameter;
5096 if(graphics->busy)
5097 return ObjectBusy;
5099 return GdipTranslateMatrix(graphics->worldtrans, dx, dy, order);
5102 /*****************************************************************************
5103 * GdipSetClipHrgn [GDIPLUS.@]
5105 GpStatus WINGDIPAPI GdipSetClipHrgn(GpGraphics *graphics, HRGN hrgn, CombineMode mode)
5107 GpRegion *region;
5108 GpStatus status;
5110 TRACE("(%p, %p, %d)\n", graphics, hrgn, mode);
5112 if(!graphics)
5113 return InvalidParameter;
5115 status = GdipCreateRegionHrgn(hrgn, &region);
5116 if(status != Ok)
5117 return status;
5119 status = GdipSetClipRegion(graphics, region, mode);
5121 GdipDeleteRegion(region);
5122 return status;
5125 GpStatus WINGDIPAPI GdipSetClipPath(GpGraphics *graphics, GpPath *path, CombineMode mode)
5127 TRACE("(%p, %p, %d)\n", graphics, path, mode);
5129 if(!graphics)
5130 return InvalidParameter;
5132 if(graphics->busy)
5133 return ObjectBusy;
5135 return GdipCombineRegionPath(graphics->clip, path, mode);
5138 GpStatus WINGDIPAPI GdipSetClipRect(GpGraphics *graphics, REAL x, REAL y,
5139 REAL width, REAL height,
5140 CombineMode mode)
5142 GpRectF rect;
5144 TRACE("(%p, %.2f, %.2f, %.2f, %.2f, %d)\n", graphics, x, y, width, height, mode);
5146 if(!graphics)
5147 return InvalidParameter;
5149 if(graphics->busy)
5150 return ObjectBusy;
5152 rect.X = x;
5153 rect.Y = y;
5154 rect.Width = width;
5155 rect.Height = height;
5157 return GdipCombineRegionRect(graphics->clip, &rect, mode);
5160 GpStatus WINGDIPAPI GdipSetClipRectI(GpGraphics *graphics, INT x, INT y,
5161 INT width, INT height,
5162 CombineMode mode)
5164 TRACE("(%p, %d, %d, %d, %d, %d)\n", graphics, x, y, width, height, mode);
5166 if(!graphics)
5167 return InvalidParameter;
5169 if(graphics->busy)
5170 return ObjectBusy;
5172 return GdipSetClipRect(graphics, (REAL)x, (REAL)y, (REAL)width, (REAL)height, mode);
5175 GpStatus WINGDIPAPI GdipSetClipRegion(GpGraphics *graphics, GpRegion *region,
5176 CombineMode mode)
5178 TRACE("(%p, %p, %d)\n", graphics, region, mode);
5180 if(!graphics || !region)
5181 return InvalidParameter;
5183 if(graphics->busy)
5184 return ObjectBusy;
5186 return GdipCombineRegionRegion(graphics->clip, region, mode);
5189 GpStatus WINGDIPAPI GdipSetMetafileDownLevelRasterizationLimit(GpMetafile *metafile,
5190 UINT limitDpi)
5192 static int calls;
5194 TRACE("(%p,%u)\n", metafile, limitDpi);
5196 if(!(calls++))
5197 FIXME("not implemented\n");
5199 return NotImplemented;
5202 GpStatus WINGDIPAPI GdipDrawPolygon(GpGraphics *graphics,GpPen *pen,GDIPCONST GpPointF *points,
5203 INT count)
5205 INT save_state;
5206 POINT *pti;
5208 TRACE("(%p, %p, %d)\n", graphics, points, count);
5210 if(!graphics || !pen || count<=0)
5211 return InvalidParameter;
5213 if(graphics->busy)
5214 return ObjectBusy;
5216 if (!graphics->hdc)
5218 FIXME("graphics object has no HDC\n");
5219 return Ok;
5222 pti = GdipAlloc(sizeof(POINT) * count);
5224 save_state = prepare_dc(graphics, pen);
5225 SelectObject(graphics->hdc, GetStockObject(NULL_BRUSH));
5227 transform_and_round_points(graphics, pti, (GpPointF*)points, count);
5228 Polygon(graphics->hdc, pti, count);
5230 restore_dc(graphics, save_state);
5231 GdipFree(pti);
5233 return Ok;
5236 GpStatus WINGDIPAPI GdipDrawPolygonI(GpGraphics *graphics,GpPen *pen,GDIPCONST GpPoint *points,
5237 INT count)
5239 GpStatus ret;
5240 GpPointF *ptf;
5241 INT i;
5243 TRACE("(%p, %p, %p, %d)\n", graphics, pen, points, count);
5245 if(count<=0) return InvalidParameter;
5246 ptf = GdipAlloc(sizeof(GpPointF) * count);
5248 for(i = 0;i < count; i++){
5249 ptf[i].X = (REAL)points[i].X;
5250 ptf[i].Y = (REAL)points[i].Y;
5253 ret = GdipDrawPolygon(graphics,pen,ptf,count);
5254 GdipFree(ptf);
5256 return ret;
5259 GpStatus WINGDIPAPI GdipGetDpiX(GpGraphics *graphics, REAL* dpi)
5261 TRACE("(%p, %p)\n", graphics, dpi);
5263 if(!graphics || !dpi)
5264 return InvalidParameter;
5266 if(graphics->busy)
5267 return ObjectBusy;
5269 if (graphics->image)
5270 *dpi = graphics->image->xres;
5271 else
5272 *dpi = (REAL)GetDeviceCaps(graphics->hdc, LOGPIXELSX);
5274 return Ok;
5277 GpStatus WINGDIPAPI GdipGetDpiY(GpGraphics *graphics, REAL* dpi)
5279 TRACE("(%p, %p)\n", graphics, dpi);
5281 if(!graphics || !dpi)
5282 return InvalidParameter;
5284 if(graphics->busy)
5285 return ObjectBusy;
5287 if (graphics->image)
5288 *dpi = graphics->image->yres;
5289 else
5290 *dpi = (REAL)GetDeviceCaps(graphics->hdc, LOGPIXELSY);
5292 return Ok;
5295 GpStatus WINGDIPAPI GdipMultiplyWorldTransform(GpGraphics *graphics, GDIPCONST GpMatrix *matrix,
5296 GpMatrixOrder order)
5298 GpMatrix m;
5299 GpStatus ret;
5301 TRACE("(%p, %p, %d)\n", graphics, matrix, order);
5303 if(!graphics || !matrix)
5304 return InvalidParameter;
5306 if(graphics->busy)
5307 return ObjectBusy;
5309 m = *(graphics->worldtrans);
5311 ret = GdipMultiplyMatrix(&m, matrix, order);
5312 if(ret == Ok)
5313 *(graphics->worldtrans) = m;
5315 return ret;
5318 /* Color used to fill bitmaps so we can tell which parts have been drawn over by gdi32. */
5319 static const COLORREF DC_BACKGROUND_KEY = 0x0c0b0d;
5321 GpStatus WINGDIPAPI GdipGetDC(GpGraphics *graphics, HDC *hdc)
5323 GpStatus stat=Ok;
5325 TRACE("(%p, %p)\n", graphics, hdc);
5327 if(!graphics || !hdc)
5328 return InvalidParameter;
5330 if(graphics->busy)
5331 return ObjectBusy;
5333 if (graphics->image && graphics->image->type == ImageTypeMetafile)
5335 stat = METAFILE_GetDC((GpMetafile*)graphics->image, hdc);
5337 else if (!graphics->hdc ||
5338 (graphics->image && graphics->image->type == ImageTypeBitmap && ((GpBitmap*)graphics->image)->format & PixelFormatAlpha))
5340 /* Create a fake HDC and fill it with a constant color. */
5341 HDC temp_hdc;
5342 HBITMAP hbitmap;
5343 GpRectF bounds;
5344 BITMAPINFOHEADER bmih;
5345 int i;
5347 stat = get_graphics_bounds(graphics, &bounds);
5348 if (stat != Ok)
5349 return stat;
5351 graphics->temp_hbitmap_width = bounds.Width;
5352 graphics->temp_hbitmap_height = bounds.Height;
5354 bmih.biSize = sizeof(bmih);
5355 bmih.biWidth = graphics->temp_hbitmap_width;
5356 bmih.biHeight = -graphics->temp_hbitmap_height;
5357 bmih.biPlanes = 1;
5358 bmih.biBitCount = 32;
5359 bmih.biCompression = BI_RGB;
5360 bmih.biSizeImage = 0;
5361 bmih.biXPelsPerMeter = 0;
5362 bmih.biYPelsPerMeter = 0;
5363 bmih.biClrUsed = 0;
5364 bmih.biClrImportant = 0;
5366 hbitmap = CreateDIBSection(NULL, (BITMAPINFO*)&bmih, DIB_RGB_COLORS,
5367 (void**)&graphics->temp_bits, NULL, 0);
5368 if (!hbitmap)
5369 return GenericError;
5371 temp_hdc = CreateCompatibleDC(0);
5372 if (!temp_hdc)
5374 DeleteObject(hbitmap);
5375 return GenericError;
5378 for (i=0; i<(graphics->temp_hbitmap_width * graphics->temp_hbitmap_height); i++)
5379 ((DWORD*)graphics->temp_bits)[i] = DC_BACKGROUND_KEY;
5381 SelectObject(temp_hdc, hbitmap);
5383 graphics->temp_hbitmap = hbitmap;
5384 *hdc = graphics->temp_hdc = temp_hdc;
5386 else
5388 *hdc = graphics->hdc;
5391 if (stat == Ok)
5392 graphics->busy = TRUE;
5394 return stat;
5397 GpStatus WINGDIPAPI GdipReleaseDC(GpGraphics *graphics, HDC hdc)
5399 GpStatus stat=Ok;
5401 TRACE("(%p, %p)\n", graphics, hdc);
5403 if(!graphics || !hdc || !graphics->busy)
5404 return InvalidParameter;
5406 if (graphics->image && graphics->image->type == ImageTypeMetafile)
5408 stat = METAFILE_ReleaseDC((GpMetafile*)graphics->image, hdc);
5410 else if (graphics->temp_hdc == hdc)
5412 DWORD* pos;
5413 int i;
5415 /* Find the pixels that have changed, and mark them as opaque. */
5416 pos = (DWORD*)graphics->temp_bits;
5417 for (i=0; i<(graphics->temp_hbitmap_width * graphics->temp_hbitmap_height); i++)
5419 if (*pos != DC_BACKGROUND_KEY)
5421 *pos |= 0xff000000;
5423 pos++;
5426 /* Write the changed pixels to the real target. */
5427 alpha_blend_pixels(graphics, 0, 0, graphics->temp_bits,
5428 graphics->temp_hbitmap_width, graphics->temp_hbitmap_height,
5429 graphics->temp_hbitmap_width * 4);
5431 /* Clean up. */
5432 DeleteDC(graphics->temp_hdc);
5433 DeleteObject(graphics->temp_hbitmap);
5434 graphics->temp_hdc = NULL;
5435 graphics->temp_hbitmap = NULL;
5437 else if (hdc != graphics->hdc)
5439 stat = InvalidParameter;
5442 if (stat == Ok)
5443 graphics->busy = FALSE;
5445 return stat;
5448 GpStatus WINGDIPAPI GdipGetClip(GpGraphics *graphics, GpRegion *region)
5450 GpRegion *clip;
5451 GpStatus status;
5453 TRACE("(%p, %p)\n", graphics, region);
5455 if(!graphics || !region)
5456 return InvalidParameter;
5458 if(graphics->busy)
5459 return ObjectBusy;
5461 if((status = GdipCloneRegion(graphics->clip, &clip)) != Ok)
5462 return status;
5464 /* free everything except root node and header */
5465 delete_element(&region->node);
5466 memcpy(region, clip, sizeof(GpRegion));
5467 GdipFree(clip);
5469 return Ok;
5472 static GpStatus get_graphics_transform(GpGraphics *graphics, GpCoordinateSpace dst_space,
5473 GpCoordinateSpace src_space, GpMatrix **matrix)
5475 GpStatus stat = GdipCreateMatrix(matrix);
5476 REAL unitscale;
5478 if (dst_space != src_space && stat == Ok)
5480 unitscale = convert_unit(graphics_res(graphics), graphics->unit);
5482 if(graphics->unit != UnitDisplay)
5483 unitscale *= graphics->scale;
5485 /* transform from src_space to CoordinateSpacePage */
5486 switch (src_space)
5488 case CoordinateSpaceWorld:
5489 GdipMultiplyMatrix(*matrix, graphics->worldtrans, MatrixOrderAppend);
5490 break;
5491 case CoordinateSpacePage:
5492 break;
5493 case CoordinateSpaceDevice:
5494 GdipScaleMatrix(*matrix, 1.0/unitscale, 1.0/unitscale, MatrixOrderAppend);
5495 break;
5498 /* transform from CoordinateSpacePage to dst_space */
5499 switch (dst_space)
5501 case CoordinateSpaceWorld:
5503 GpMatrix *inverted_transform;
5504 stat = GdipCloneMatrix(graphics->worldtrans, &inverted_transform);
5505 if (stat == Ok)
5507 stat = GdipInvertMatrix(inverted_transform);
5508 if (stat == Ok)
5509 GdipMultiplyMatrix(*matrix, inverted_transform, MatrixOrderAppend);
5510 GdipDeleteMatrix(inverted_transform);
5512 break;
5514 case CoordinateSpacePage:
5515 break;
5516 case CoordinateSpaceDevice:
5517 GdipScaleMatrix(*matrix, unitscale, unitscale, MatrixOrderAppend);
5518 break;
5521 return stat;
5524 GpStatus WINGDIPAPI GdipTransformPoints(GpGraphics *graphics, GpCoordinateSpace dst_space,
5525 GpCoordinateSpace src_space, GpPointF *points, INT count)
5527 GpMatrix *matrix;
5528 GpStatus stat;
5530 if(!graphics || !points || count <= 0)
5531 return InvalidParameter;
5533 if(graphics->busy)
5534 return ObjectBusy;
5536 TRACE("(%p, %d, %d, %p, %d)\n", graphics, dst_space, src_space, points, count);
5538 if (src_space == dst_space) return Ok;
5540 stat = get_graphics_transform(graphics, dst_space, src_space, &matrix);
5542 if (stat == Ok)
5544 stat = GdipTransformMatrixPoints(matrix, points, count);
5546 GdipDeleteMatrix(matrix);
5549 return stat;
5552 GpStatus WINGDIPAPI GdipTransformPointsI(GpGraphics *graphics, GpCoordinateSpace dst_space,
5553 GpCoordinateSpace src_space, GpPoint *points, INT count)
5555 GpPointF *pointsF;
5556 GpStatus ret;
5557 INT i;
5559 TRACE("(%p, %d, %d, %p, %d)\n", graphics, dst_space, src_space, points, count);
5561 if(count <= 0)
5562 return InvalidParameter;
5564 pointsF = GdipAlloc(sizeof(GpPointF) * count);
5565 if(!pointsF)
5566 return OutOfMemory;
5568 for(i = 0; i < count; i++){
5569 pointsF[i].X = (REAL)points[i].X;
5570 pointsF[i].Y = (REAL)points[i].Y;
5573 ret = GdipTransformPoints(graphics, dst_space, src_space, pointsF, count);
5575 if(ret == Ok)
5576 for(i = 0; i < count; i++){
5577 points[i].X = roundr(pointsF[i].X);
5578 points[i].Y = roundr(pointsF[i].Y);
5580 GdipFree(pointsF);
5582 return ret;
5585 HPALETTE WINGDIPAPI GdipCreateHalftonePalette(void)
5587 static int calls;
5589 TRACE("\n");
5591 if (!calls++)
5592 FIXME("stub\n");
5594 return NULL;
5597 /*****************************************************************************
5598 * GdipTranslateClip [GDIPLUS.@]
5600 GpStatus WINGDIPAPI GdipTranslateClip(GpGraphics *graphics, REAL dx, REAL dy)
5602 TRACE("(%p, %.2f, %.2f)\n", graphics, dx, dy);
5604 if(!graphics)
5605 return InvalidParameter;
5607 if(graphics->busy)
5608 return ObjectBusy;
5610 return GdipTranslateRegion(graphics->clip, dx, dy);
5613 /*****************************************************************************
5614 * GdipTranslateClipI [GDIPLUS.@]
5616 GpStatus WINGDIPAPI GdipTranslateClipI(GpGraphics *graphics, INT dx, INT dy)
5618 TRACE("(%p, %d, %d)\n", graphics, dx, dy);
5620 if(!graphics)
5621 return InvalidParameter;
5623 if(graphics->busy)
5624 return ObjectBusy;
5626 return GdipTranslateRegion(graphics->clip, (REAL)dx, (REAL)dy);
5630 /*****************************************************************************
5631 * GdipMeasureDriverString [GDIPLUS.@]
5633 GpStatus WINGDIPAPI GdipMeasureDriverString(GpGraphics *graphics, GDIPCONST UINT16 *text, INT length,
5634 GDIPCONST GpFont *font, GDIPCONST PointF *positions,
5635 INT flags, GDIPCONST GpMatrix *matrix, RectF *boundingBox)
5637 static const INT unsupported_flags = ~(DriverStringOptionsCmapLookup|DriverStringOptionsRealizedAdvance);
5638 HFONT hfont;
5639 HDC hdc;
5640 REAL min_x, min_y, max_x, max_y, x, y;
5641 int i;
5642 TEXTMETRICW textmetric;
5643 const WORD *glyph_indices;
5644 WORD *dynamic_glyph_indices=NULL;
5645 REAL rel_width, rel_height, ascent, descent;
5646 GpPointF pt[3];
5648 TRACE("(%p %p %d %p %p %d %p %p)\n", graphics, text, length, font, positions, flags, matrix, boundingBox);
5650 if (!graphics || !text || !font || !positions || !boundingBox)
5651 return InvalidParameter;
5653 if (length == -1)
5654 length = strlenW(text);
5656 if (length == 0)
5658 boundingBox->X = 0.0;
5659 boundingBox->Y = 0.0;
5660 boundingBox->Width = 0.0;
5661 boundingBox->Height = 0.0;
5664 if (flags & unsupported_flags)
5665 FIXME("Ignoring flags %x\n", flags & unsupported_flags);
5667 if (matrix)
5668 FIXME("Ignoring matrix\n");
5670 get_font_hfont(graphics, font, &hfont);
5672 hdc = CreateCompatibleDC(0);
5673 SelectObject(hdc, hfont);
5675 GetTextMetricsW(hdc, &textmetric);
5677 pt[0].X = 0.0;
5678 pt[0].Y = 0.0;
5679 pt[1].X = 1.0;
5680 pt[1].Y = 0.0;
5681 pt[2].X = 0.0;
5682 pt[2].Y = 1.0;
5683 GdipTransformPoints(graphics, CoordinateSpaceDevice, CoordinateSpaceWorld, pt, 3);
5684 rel_width = sqrt((pt[1].Y-pt[0].Y)*(pt[1].Y-pt[0].Y)+
5685 (pt[1].X-pt[0].X)*(pt[1].X-pt[0].X));
5686 rel_height = sqrt((pt[2].Y-pt[0].Y)*(pt[2].Y-pt[0].Y)+
5687 (pt[2].X-pt[0].X)*(pt[2].X-pt[0].X));
5689 if (flags & DriverStringOptionsCmapLookup)
5691 glyph_indices = dynamic_glyph_indices = GdipAlloc(sizeof(WORD) * length);
5692 if (!glyph_indices)
5694 DeleteDC(hdc);
5695 DeleteObject(hfont);
5696 return OutOfMemory;
5699 GetGlyphIndicesW(hdc, text, length, dynamic_glyph_indices, 0);
5701 else
5702 glyph_indices = text;
5704 min_x = max_x = x = positions[0].X;
5705 min_y = max_y = y = positions[0].Y;
5707 ascent = textmetric.tmAscent / rel_height;
5708 descent = textmetric.tmDescent / rel_height;
5710 for (i=0; i<length; i++)
5712 int char_width;
5713 ABC abc;
5715 if (!(flags & DriverStringOptionsRealizedAdvance))
5717 x = positions[i].X;
5718 y = positions[i].Y;
5721 GetCharABCWidthsW(hdc, glyph_indices[i], glyph_indices[i], &abc);
5722 char_width = abc.abcA + abc.abcB + abc.abcB;
5724 if (min_y > y - ascent) min_y = y - ascent;
5725 if (max_y < y + descent) max_y = y + descent;
5726 if (min_x > x) min_x = x;
5728 x += char_width / rel_width;
5730 if (max_x < x) max_x = x;
5733 GdipFree(dynamic_glyph_indices);
5734 DeleteDC(hdc);
5735 DeleteObject(hfont);
5737 boundingBox->X = min_x;
5738 boundingBox->Y = min_y;
5739 boundingBox->Width = max_x - min_x;
5740 boundingBox->Height = max_y - min_y;
5742 return Ok;
5745 static GpStatus GDI32_GdipDrawDriverString(GpGraphics *graphics, GDIPCONST UINT16 *text, INT length,
5746 GDIPCONST GpFont *font, GDIPCONST GpBrush *brush,
5747 GDIPCONST PointF *positions, INT flags,
5748 GDIPCONST GpMatrix *matrix )
5750 static const INT unsupported_flags = ~(DriverStringOptionsRealizedAdvance|DriverStringOptionsCmapLookup);
5751 INT save_state;
5752 GpPointF pt;
5753 HFONT hfont;
5754 UINT eto_flags=0;
5756 if (flags & unsupported_flags)
5757 FIXME("Ignoring flags %x\n", flags & unsupported_flags);
5759 if (matrix)
5760 FIXME("Ignoring matrix\n");
5762 if (!(flags & DriverStringOptionsCmapLookup))
5763 eto_flags |= ETO_GLYPH_INDEX;
5765 save_state = SaveDC(graphics->hdc);
5766 SetBkMode(graphics->hdc, TRANSPARENT);
5767 SetTextColor(graphics->hdc, brush->lb.lbColor);
5769 pt = positions[0];
5770 GdipTransformPoints(graphics, CoordinateSpaceDevice, CoordinateSpaceWorld, &pt, 1);
5772 get_font_hfont(graphics, font, &hfont);
5773 SelectObject(graphics->hdc, hfont);
5775 SetTextAlign(graphics->hdc, TA_BASELINE|TA_LEFT);
5777 ExtTextOutW(graphics->hdc, roundr(pt.X), roundr(pt.Y), eto_flags, NULL, text, length, NULL);
5779 RestoreDC(graphics->hdc, save_state);
5781 DeleteObject(hfont);
5783 return Ok;
5786 static GpStatus SOFTWARE_GdipDrawDriverString(GpGraphics *graphics, GDIPCONST UINT16 *text, INT length,
5787 GDIPCONST GpFont *font, GDIPCONST GpBrush *brush,
5788 GDIPCONST PointF *positions, INT flags,
5789 GDIPCONST GpMatrix *matrix )
5791 static const INT unsupported_flags = ~(DriverStringOptionsCmapLookup|DriverStringOptionsRealizedAdvance);
5792 GpStatus stat;
5793 PointF *real_positions, real_position;
5794 POINT *pti;
5795 HFONT hfont;
5796 HDC hdc;
5797 int min_x=INT_MAX, min_y=INT_MAX, max_x=INT_MIN, max_y=INT_MIN, i, x, y;
5798 DWORD max_glyphsize=0;
5799 GLYPHMETRICS glyphmetrics;
5800 static const MAT2 identity = {{0,1}, {0,0}, {0,0}, {0,1}};
5801 BYTE *glyph_mask;
5802 BYTE *text_mask;
5803 int text_mask_stride;
5804 BYTE *pixel_data;
5805 int pixel_data_stride;
5806 GpRect pixel_area;
5807 UINT ggo_flags = GGO_GRAY8_BITMAP;
5809 if (length <= 0)
5810 return Ok;
5812 if (!(flags & DriverStringOptionsCmapLookup))
5813 ggo_flags |= GGO_GLYPH_INDEX;
5815 if (flags & unsupported_flags)
5816 FIXME("Ignoring flags %x\n", flags & unsupported_flags);
5818 if (matrix)
5819 FIXME("Ignoring matrix\n");
5821 pti = GdipAlloc(sizeof(POINT) * length);
5822 if (!pti)
5823 return OutOfMemory;
5825 if (flags & DriverStringOptionsRealizedAdvance)
5827 real_position = positions[0];
5829 transform_and_round_points(graphics, pti, &real_position, 1);
5831 else
5833 real_positions = GdipAlloc(sizeof(PointF) * length);
5834 if (!real_positions)
5836 GdipFree(pti);
5837 return OutOfMemory;
5840 memcpy(real_positions, positions, sizeof(PointF) * length);
5842 transform_and_round_points(graphics, pti, real_positions, length);
5844 GdipFree(real_positions);
5847 get_font_hfont(graphics, font, &hfont);
5849 hdc = CreateCompatibleDC(0);
5850 SelectObject(hdc, hfont);
5852 /* Get the boundaries of the text to be drawn */
5853 for (i=0; i<length; i++)
5855 DWORD glyphsize;
5856 int left, top, right, bottom;
5858 glyphsize = GetGlyphOutlineW(hdc, text[i], ggo_flags,
5859 &glyphmetrics, 0, NULL, &identity);
5861 if (glyphsize == GDI_ERROR)
5863 ERR("GetGlyphOutlineW failed\n");
5864 GdipFree(pti);
5865 DeleteDC(hdc);
5866 DeleteObject(hfont);
5867 return GenericError;
5870 if (glyphsize > max_glyphsize)
5871 max_glyphsize = glyphsize;
5873 left = pti[i].x + glyphmetrics.gmptGlyphOrigin.x;
5874 top = pti[i].y - glyphmetrics.gmptGlyphOrigin.y;
5875 right = pti[i].x + glyphmetrics.gmptGlyphOrigin.x + glyphmetrics.gmBlackBoxX;
5876 bottom = pti[i].y - glyphmetrics.gmptGlyphOrigin.y + glyphmetrics.gmBlackBoxY;
5878 if (left < min_x) min_x = left;
5879 if (top < min_y) min_y = top;
5880 if (right > max_x) max_x = right;
5881 if (bottom > max_y) max_y = bottom;
5883 if (i+1 < length && (flags & DriverStringOptionsRealizedAdvance) == DriverStringOptionsRealizedAdvance)
5885 pti[i+1].x = pti[i].x + glyphmetrics.gmCellIncX;
5886 pti[i+1].y = pti[i].y + glyphmetrics.gmCellIncY;
5890 glyph_mask = GdipAlloc(max_glyphsize);
5891 text_mask = GdipAlloc((max_x - min_x) * (max_y - min_y));
5892 text_mask_stride = max_x - min_x;
5894 if (!(glyph_mask && text_mask))
5896 GdipFree(glyph_mask);
5897 GdipFree(text_mask);
5898 GdipFree(pti);
5899 DeleteDC(hdc);
5900 DeleteObject(hfont);
5901 return OutOfMemory;
5904 /* Generate a mask for the text */
5905 for (i=0; i<length; i++)
5907 int left, top, stride;
5909 GetGlyphOutlineW(hdc, text[i], ggo_flags,
5910 &glyphmetrics, max_glyphsize, glyph_mask, &identity);
5912 left = pti[i].x + glyphmetrics.gmptGlyphOrigin.x;
5913 top = pti[i].y - glyphmetrics.gmptGlyphOrigin.y;
5914 stride = (glyphmetrics.gmBlackBoxX + 3) & (~3);
5916 for (y=0; y<glyphmetrics.gmBlackBoxY; y++)
5918 BYTE *glyph_val = glyph_mask + y * stride;
5919 BYTE *text_val = text_mask + (left - min_x) + (top - min_y + y) * text_mask_stride;
5920 for (x=0; x<glyphmetrics.gmBlackBoxX; x++)
5922 *text_val = min(64, *text_val + *glyph_val);
5923 glyph_val++;
5924 text_val++;
5929 GdipFree(pti);
5930 DeleteDC(hdc);
5931 DeleteObject(hfont);
5932 GdipFree(glyph_mask);
5934 /* get the brush data */
5935 pixel_data = GdipAlloc(4 * (max_x - min_x) * (max_y - min_y));
5936 if (!pixel_data)
5938 GdipFree(text_mask);
5939 return OutOfMemory;
5942 pixel_area.X = min_x;
5943 pixel_area.Y = min_y;
5944 pixel_area.Width = max_x - min_x;
5945 pixel_area.Height = max_y - min_y;
5946 pixel_data_stride = pixel_area.Width * 4;
5948 stat = brush_fill_pixels(graphics, (GpBrush*)brush, (DWORD*)pixel_data, &pixel_area, pixel_area.Width);
5949 if (stat != Ok)
5951 GdipFree(text_mask);
5952 GdipFree(pixel_data);
5953 return stat;
5956 /* multiply the brush data by the mask */
5957 for (y=0; y<pixel_area.Height; y++)
5959 BYTE *text_val = text_mask + text_mask_stride * y;
5960 BYTE *pixel_val = pixel_data + pixel_data_stride * y + 3;
5961 for (x=0; x<pixel_area.Width; x++)
5963 *pixel_val = (*pixel_val) * (*text_val) / 64;
5964 text_val++;
5965 pixel_val+=4;
5969 GdipFree(text_mask);
5971 /* draw the result */
5972 stat = alpha_blend_pixels(graphics, min_x, min_y, pixel_data, pixel_area.Width,
5973 pixel_area.Height, pixel_data_stride);
5975 GdipFree(pixel_data);
5977 return stat;
5980 /*****************************************************************************
5981 * GdipDrawDriverString [GDIPLUS.@]
5983 GpStatus WINGDIPAPI GdipDrawDriverString(GpGraphics *graphics, GDIPCONST UINT16 *text, INT length,
5984 GDIPCONST GpFont *font, GDIPCONST GpBrush *brush,
5985 GDIPCONST PointF *positions, INT flags,
5986 GDIPCONST GpMatrix *matrix )
5988 GpStatus stat=NotImplemented;
5990 TRACE("(%p %s %p %p %p %d %p)\n", graphics, debugstr_wn(text, length), font, brush, positions, flags, matrix);
5992 if (!graphics || !text || !font || !brush || !positions)
5993 return InvalidParameter;
5995 if (length == -1)
5996 length = strlenW(text);
5998 if (graphics->hdc &&
5999 ((flags & DriverStringOptionsRealizedAdvance) || length <= 1) &&
6000 brush->bt == BrushTypeSolidColor &&
6001 (((GpSolidFill*)brush)->color & 0xff000000) == 0xff000000)
6002 stat = GDI32_GdipDrawDriverString(graphics, text, length, font, brush,
6003 positions, flags, matrix);
6005 if (stat == NotImplemented)
6006 stat = SOFTWARE_GdipDrawDriverString(graphics, text, length, font, brush,
6007 positions, flags, matrix);
6009 return stat;
6012 GpStatus WINGDIPAPI GdipRecordMetafileStream(IStream *stream, HDC hdc, EmfType type, GDIPCONST GpRect *frameRect,
6013 MetafileFrameUnit frameUnit, GDIPCONST WCHAR *desc, GpMetafile **metafile)
6015 FIXME("(%p %p %d %p %d %p %p): stub\n", stream, hdc, type, frameRect, frameUnit, desc, metafile);
6016 return NotImplemented;
6019 /*****************************************************************************
6020 * GdipIsVisibleClipEmpty [GDIPLUS.@]
6022 GpStatus WINGDIPAPI GdipIsVisibleClipEmpty(GpGraphics *graphics, BOOL *res)
6024 GpStatus stat;
6025 GpRegion* rgn;
6027 TRACE("(%p, %p)\n", graphics, res);
6029 if((stat = GdipCreateRegion(&rgn)) != Ok)
6030 return stat;
6032 if((stat = get_visible_clip_region(graphics, rgn)) != Ok)
6033 goto cleanup;
6035 stat = GdipIsEmptyRegion(rgn, graphics, res);
6037 cleanup:
6038 GdipDeleteRegion(rgn);
6039 return stat;