gdiplus: Add test for GdipSetTextRenderingHint and make it pass.
[wine.git] / dlls / gdiplus / graphics.c
blob163aaac0e58e2fbb89a94f359b97488a900fbe79
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
211 HDC hdc;
212 HBITMAP hbitmap, old_hbm=NULL;
213 BITMAPINFOHEADER bih;
214 BYTE *temp_bits;
215 BLENDFUNCTION bf;
217 hdc = CreateCompatibleDC(0);
219 bih.biSize = sizeof(BITMAPINFOHEADER);
220 bih.biWidth = src_width;
221 bih.biHeight = -src_height;
222 bih.biPlanes = 1;
223 bih.biBitCount = 32;
224 bih.biCompression = BI_RGB;
225 bih.biSizeImage = 0;
226 bih.biXPelsPerMeter = 0;
227 bih.biYPelsPerMeter = 0;
228 bih.biClrUsed = 0;
229 bih.biClrImportant = 0;
231 hbitmap = CreateDIBSection(hdc, (BITMAPINFO*)&bih, DIB_RGB_COLORS,
232 (void**)&temp_bits, NULL, 0);
234 convert_32bppARGB_to_32bppPARGB(src_width, src_height, temp_bits,
235 4 * src_width, src, src_stride);
237 old_hbm = SelectObject(hdc, hbitmap);
239 bf.BlendOp = AC_SRC_OVER;
240 bf.BlendFlags = 0;
241 bf.SourceConstantAlpha = 255;
242 bf.AlphaFormat = AC_SRC_ALPHA;
244 GdiAlphaBlend(graphics->hdc, dst_x, dst_y, src_width, src_height,
245 hdc, 0, 0, src_width, src_height, bf);
247 SelectObject(hdc, old_hbm);
248 DeleteDC(hdc);
249 DeleteObject(hbitmap);
251 return Ok;
255 static ARGB blend_colors(ARGB start, ARGB end, REAL position)
257 ARGB result=0;
258 ARGB i;
259 INT a1, a2, a3;
261 a1 = (start >> 24) & 0xff;
262 a2 = (end >> 24) & 0xff;
264 a3 = (int)(a1*(1.0f - position)+a2*(position));
266 result |= a3 << 24;
268 for (i=0xff; i<=0xff0000; i = i << 8)
269 result |= (int)((start&i)*(1.0f - position)+(end&i)*(position))&i;
270 return result;
273 static ARGB blend_line_gradient(GpLineGradient* brush, REAL position)
275 REAL blendfac;
277 /* clamp to between 0.0 and 1.0, using the wrap mode */
278 if (brush->wrap == WrapModeTile)
280 position = fmodf(position, 1.0f);
281 if (position < 0.0f) position += 1.0f;
283 else /* WrapModeFlip* */
285 position = fmodf(position, 2.0f);
286 if (position < 0.0f) position += 2.0f;
287 if (position > 1.0f) position = 2.0f - position;
290 if (brush->blendcount == 1)
291 blendfac = position;
292 else
294 int i=1;
295 REAL left_blendpos, left_blendfac, right_blendpos, right_blendfac;
296 REAL range;
298 /* locate the blend positions surrounding this position */
299 while (position > brush->blendpos[i])
300 i++;
302 /* interpolate between the blend positions */
303 left_blendpos = brush->blendpos[i-1];
304 left_blendfac = brush->blendfac[i-1];
305 right_blendpos = brush->blendpos[i];
306 right_blendfac = brush->blendfac[i];
307 range = right_blendpos - left_blendpos;
308 blendfac = (left_blendfac * (right_blendpos - position) +
309 right_blendfac * (position - left_blendpos)) / range;
312 if (brush->pblendcount == 0)
313 return blend_colors(brush->startcolor, brush->endcolor, blendfac);
314 else
316 int i=1;
317 ARGB left_blendcolor, right_blendcolor;
318 REAL left_blendpos, right_blendpos;
320 /* locate the blend colors surrounding this position */
321 while (blendfac > brush->pblendpos[i])
322 i++;
324 /* interpolate between the blend colors */
325 left_blendpos = brush->pblendpos[i-1];
326 left_blendcolor = brush->pblendcolor[i-1];
327 right_blendpos = brush->pblendpos[i];
328 right_blendcolor = brush->pblendcolor[i];
329 blendfac = (blendfac - left_blendpos) / (right_blendpos - left_blendpos);
330 return blend_colors(left_blendcolor, right_blendcolor, blendfac);
334 static ARGB transform_color(ARGB color, const ColorMatrix *matrix)
336 REAL val[5], res[4];
337 int i, j;
338 unsigned char a, r, g, b;
340 val[0] = ((color >> 16) & 0xff) / 255.0; /* red */
341 val[1] = ((color >> 8) & 0xff) / 255.0; /* green */
342 val[2] = (color & 0xff) / 255.0; /* blue */
343 val[3] = ((color >> 24) & 0xff) / 255.0; /* alpha */
344 val[4] = 1.0; /* translation */
346 for (i=0; i<4; i++)
348 res[i] = 0.0;
350 for (j=0; j<5; j++)
351 res[i] += matrix->m[j][i] * val[j];
354 a = min(max(floorf(res[3]*255.0), 0.0), 255.0);
355 r = min(max(floorf(res[0]*255.0), 0.0), 255.0);
356 g = min(max(floorf(res[1]*255.0), 0.0), 255.0);
357 b = min(max(floorf(res[2]*255.0), 0.0), 255.0);
359 return (a << 24) | (r << 16) | (g << 8) | b;
362 static int color_is_gray(ARGB color)
364 unsigned char r, g, b;
366 r = (color >> 16) & 0xff;
367 g = (color >> 8) & 0xff;
368 b = color & 0xff;
370 return (r == g) && (g == b);
373 static void apply_image_attributes(const GpImageAttributes *attributes, LPBYTE data,
374 UINT width, UINT height, INT stride, ColorAdjustType type)
376 UINT x, y, i;
378 if (attributes->colorkeys[type].enabled ||
379 attributes->colorkeys[ColorAdjustTypeDefault].enabled)
381 const struct color_key *key;
382 BYTE min_blue, min_green, min_red;
383 BYTE max_blue, max_green, max_red;
385 if (attributes->colorkeys[type].enabled)
386 key = &attributes->colorkeys[type];
387 else
388 key = &attributes->colorkeys[ColorAdjustTypeDefault];
390 min_blue = key->low&0xff;
391 min_green = (key->low>>8)&0xff;
392 min_red = (key->low>>16)&0xff;
394 max_blue = key->high&0xff;
395 max_green = (key->high>>8)&0xff;
396 max_red = (key->high>>16)&0xff;
398 for (x=0; x<width; x++)
399 for (y=0; y<height; y++)
401 ARGB *src_color;
402 BYTE blue, green, red;
403 src_color = (ARGB*)(data + stride * y + sizeof(ARGB) * x);
404 blue = *src_color&0xff;
405 green = (*src_color>>8)&0xff;
406 red = (*src_color>>16)&0xff;
407 if (blue >= min_blue && green >= min_green && red >= min_red &&
408 blue <= max_blue && green <= max_green && red <= max_red)
409 *src_color = 0x00000000;
413 if (attributes->colorremaptables[type].enabled ||
414 attributes->colorremaptables[ColorAdjustTypeDefault].enabled)
416 const struct color_remap_table *table;
418 if (attributes->colorremaptables[type].enabled)
419 table = &attributes->colorremaptables[type];
420 else
421 table = &attributes->colorremaptables[ColorAdjustTypeDefault];
423 for (x=0; x<width; x++)
424 for (y=0; y<height; y++)
426 ARGB *src_color;
427 src_color = (ARGB*)(data + stride * y + sizeof(ARGB) * x);
428 for (i=0; i<table->mapsize; i++)
430 if (*src_color == table->colormap[i].oldColor.Argb)
432 *src_color = table->colormap[i].newColor.Argb;
433 break;
439 if (attributes->colormatrices[type].enabled ||
440 attributes->colormatrices[ColorAdjustTypeDefault].enabled)
442 const struct color_matrix *colormatrices;
444 if (attributes->colormatrices[type].enabled)
445 colormatrices = &attributes->colormatrices[type];
446 else
447 colormatrices = &attributes->colormatrices[ColorAdjustTypeDefault];
449 for (x=0; x<width; x++)
450 for (y=0; y<height; y++)
452 ARGB *src_color;
453 src_color = (ARGB*)(data + stride * y + sizeof(ARGB) * x);
455 if (colormatrices->flags == ColorMatrixFlagsDefault ||
456 !color_is_gray(*src_color))
458 *src_color = transform_color(*src_color, &colormatrices->colormatrix);
460 else if (colormatrices->flags == ColorMatrixFlagsAltGray)
462 *src_color = transform_color(*src_color, &colormatrices->graymatrix);
467 if (attributes->gamma_enabled[type] ||
468 attributes->gamma_enabled[ColorAdjustTypeDefault])
470 REAL gamma;
472 if (attributes->gamma_enabled[type])
473 gamma = attributes->gamma[type];
474 else
475 gamma = attributes->gamma[ColorAdjustTypeDefault];
477 for (x=0; x<width; x++)
478 for (y=0; y<height; y++)
480 ARGB *src_color;
481 BYTE blue, green, red;
482 src_color = (ARGB*)(data + stride * y + sizeof(ARGB) * x);
484 blue = *src_color&0xff;
485 green = (*src_color>>8)&0xff;
486 red = (*src_color>>16)&0xff;
488 /* FIXME: We should probably use a table for this. */
489 blue = floorf(powf(blue / 255.0, gamma) * 255.0);
490 green = floorf(powf(green / 255.0, gamma) * 255.0);
491 red = floorf(powf(red / 255.0, gamma) * 255.0);
493 *src_color = (*src_color & 0xff000000) | (red << 16) | (green << 8) | blue;
498 /* Given a bitmap and its source rectangle, find the smallest rectangle in the
499 * bitmap that contains all the pixels we may need to draw it. */
500 static void get_bitmap_sample_size(InterpolationMode interpolation, WrapMode wrap,
501 GpBitmap* bitmap, REAL srcx, REAL srcy, REAL srcwidth, REAL srcheight,
502 GpRect *rect)
504 INT left, top, right, bottom;
506 switch (interpolation)
508 case InterpolationModeHighQualityBilinear:
509 case InterpolationModeHighQualityBicubic:
510 /* FIXME: Include a greater range for the prefilter? */
511 case InterpolationModeBicubic:
512 case InterpolationModeBilinear:
513 left = (INT)(floorf(srcx));
514 top = (INT)(floorf(srcy));
515 right = (INT)(ceilf(srcx+srcwidth));
516 bottom = (INT)(ceilf(srcy+srcheight));
517 break;
518 case InterpolationModeNearestNeighbor:
519 default:
520 left = roundr(srcx);
521 top = roundr(srcy);
522 right = roundr(srcx+srcwidth);
523 bottom = roundr(srcy+srcheight);
524 break;
527 if (wrap == WrapModeClamp)
529 if (left < 0)
530 left = 0;
531 if (top < 0)
532 top = 0;
533 if (right >= bitmap->width)
534 right = bitmap->width-1;
535 if (bottom >= bitmap->height)
536 bottom = bitmap->height-1;
538 else
540 /* In some cases we can make the rectangle smaller here, but the logic
541 * is hard to get right, and tiling suggests we're likely to use the
542 * entire source image. */
543 if (left < 0 || right >= bitmap->width)
545 left = 0;
546 right = bitmap->width-1;
549 if (top < 0 || bottom >= bitmap->height)
551 top = 0;
552 bottom = bitmap->height-1;
556 rect->X = left;
557 rect->Y = top;
558 rect->Width = right - left + 1;
559 rect->Height = bottom - top + 1;
562 static ARGB sample_bitmap_pixel(GDIPCONST GpRect *src_rect, LPBYTE bits, UINT width,
563 UINT height, INT x, INT y, GDIPCONST GpImageAttributes *attributes)
565 if (attributes->wrap == WrapModeClamp)
567 if (x < 0 || y < 0 || x >= width || y >= height)
568 return attributes->outside_color;
570 else
572 /* Tiling. Make sure co-ordinates are positive as it simplifies the math. */
573 if (x < 0)
574 x = width*2 + x % (width * 2);
575 if (y < 0)
576 y = height*2 + y % (height * 2);
578 if ((attributes->wrap & 1) == 1)
580 /* Flip X */
581 if ((x / width) % 2 == 0)
582 x = x % width;
583 else
584 x = width - 1 - x % width;
586 else
587 x = x % width;
589 if ((attributes->wrap & 2) == 2)
591 /* Flip Y */
592 if ((y / height) % 2 == 0)
593 y = y % height;
594 else
595 y = height - 1 - y % height;
597 else
598 y = y % height;
601 if (x < src_rect->X || y < src_rect->Y || x >= src_rect->X + src_rect->Width || y >= src_rect->Y + src_rect->Height)
603 ERR("out of range pixel requested\n");
604 return 0xffcd0084;
607 return ((DWORD*)(bits))[(x - src_rect->X) + (y - src_rect->Y) * src_rect->Width];
610 static ARGB resample_bitmap_pixel(GDIPCONST GpRect *src_rect, LPBYTE bits, UINT width,
611 UINT height, GpPointF *point, GDIPCONST GpImageAttributes *attributes,
612 InterpolationMode interpolation)
614 static int fixme;
616 switch (interpolation)
618 default:
619 if (!fixme++)
620 FIXME("Unimplemented interpolation %i\n", interpolation);
621 /* fall-through */
622 case InterpolationModeBilinear:
624 REAL leftxf, topyf;
625 INT leftx, rightx, topy, bottomy;
626 ARGB topleft, topright, bottomleft, bottomright;
627 ARGB top, bottom;
628 float x_offset;
630 leftxf = floorf(point->X);
631 leftx = (INT)leftxf;
632 rightx = (INT)ceilf(point->X);
633 topyf = floorf(point->Y);
634 topy = (INT)topyf;
635 bottomy = (INT)ceilf(point->Y);
637 if (leftx == rightx && topy == bottomy)
638 return sample_bitmap_pixel(src_rect, bits, width, height,
639 leftx, topy, attributes);
641 topleft = sample_bitmap_pixel(src_rect, bits, width, height,
642 leftx, topy, attributes);
643 topright = sample_bitmap_pixel(src_rect, bits, width, height,
644 rightx, topy, attributes);
645 bottomleft = sample_bitmap_pixel(src_rect, bits, width, height,
646 leftx, bottomy, attributes);
647 bottomright = sample_bitmap_pixel(src_rect, bits, width, height,
648 rightx, bottomy, attributes);
650 x_offset = point->X - leftxf;
651 top = blend_colors(topleft, topright, x_offset);
652 bottom = blend_colors(bottomleft, bottomright, x_offset);
654 return blend_colors(top, bottom, point->Y - topyf);
656 case InterpolationModeNearestNeighbor:
657 return sample_bitmap_pixel(src_rect, bits, width, height,
658 roundr(point->X), roundr(point->Y), attributes);
662 static INT brush_can_fill_path(GpBrush *brush)
664 switch (brush->bt)
666 case BrushTypeSolidColor:
667 case BrushTypeHatchFill:
668 return 1;
669 case BrushTypeLinearGradient:
670 case BrushTypeTextureFill:
671 /* Gdi32 isn't much help with these, so we should use brush_fill_pixels instead. */
672 default:
673 return 0;
677 static void brush_fill_path(GpGraphics *graphics, GpBrush* brush)
679 switch (brush->bt)
681 case BrushTypeSolidColor:
683 GpSolidFill *fill = (GpSolidFill*)brush;
684 if (fill->bmp)
686 RECT rc;
687 /* partially transparent fill */
689 SelectClipPath(graphics->hdc, RGN_AND);
690 if (GetClipBox(graphics->hdc, &rc) != NULLREGION)
692 HDC hdc = CreateCompatibleDC(NULL);
693 HBITMAP oldbmp;
694 BLENDFUNCTION bf;
696 if (!hdc) break;
698 oldbmp = SelectObject(hdc, fill->bmp);
700 bf.BlendOp = AC_SRC_OVER;
701 bf.BlendFlags = 0;
702 bf.SourceConstantAlpha = 255;
703 bf.AlphaFormat = AC_SRC_ALPHA;
705 GdiAlphaBlend(graphics->hdc, rc.left, rc.top, rc.right-rc.left, rc.bottom-rc.top, hdc, 0, 0, 1, 1, bf);
707 SelectObject(hdc, oldbmp);
708 DeleteDC(hdc);
711 break;
713 /* else fall through */
715 default:
716 SelectObject(graphics->hdc, brush->gdibrush);
717 FillPath(graphics->hdc);
718 break;
722 static INT brush_can_fill_pixels(GpBrush *brush)
724 switch (brush->bt)
726 case BrushTypeSolidColor:
727 case BrushTypeHatchFill:
728 case BrushTypeLinearGradient:
729 case BrushTypeTextureFill:
730 return 1;
731 default:
732 return 0;
736 static GpStatus brush_fill_pixels(GpGraphics *graphics, GpBrush *brush,
737 DWORD *argb_pixels, GpRect *fill_area, UINT cdwStride)
739 switch (brush->bt)
741 case BrushTypeSolidColor:
743 int x, y;
744 GpSolidFill *fill = (GpSolidFill*)brush;
745 for (x=0; x<fill_area->Width; x++)
746 for (y=0; y<fill_area->Height; y++)
747 argb_pixels[x + y*cdwStride] = fill->color;
748 return Ok;
750 case BrushTypeHatchFill:
752 int x, y;
753 GpHatch *fill = (GpHatch*)brush;
754 const char *hatch_data;
756 if (get_hatch_data(fill->hatchstyle, &hatch_data) != Ok)
757 return NotImplemented;
759 for (x=0; x<fill_area->Width; x++)
760 for (y=0; y<fill_area->Height; y++)
762 int hx, hy;
764 /* FIXME: Account for the rendering origin */
765 hx = (x + fill_area->X) % 8;
766 hy = (y + fill_area->Y) % 8;
768 if ((hatch_data[7-hy] & (0x80 >> hx)) != 0)
769 argb_pixels[x + y*cdwStride] = fill->forecol;
770 else
771 argb_pixels[x + y*cdwStride] = fill->backcol;
774 return Ok;
776 case BrushTypeLinearGradient:
778 GpLineGradient *fill = (GpLineGradient*)brush;
779 GpPointF draw_points[3], line_points[3];
780 GpStatus stat;
781 static const GpRectF box_1 = { 0.0, 0.0, 1.0, 1.0 };
782 GpMatrix *world_to_gradient; /* FIXME: Store this in the brush? */
783 int x, y;
785 draw_points[0].X = fill_area->X;
786 draw_points[0].Y = fill_area->Y;
787 draw_points[1].X = fill_area->X+1;
788 draw_points[1].Y = fill_area->Y;
789 draw_points[2].X = fill_area->X;
790 draw_points[2].Y = fill_area->Y+1;
792 /* Transform the points to a co-ordinate space where X is the point's
793 * position in the gradient, 0.0 being the start point and 1.0 the
794 * end point. */
795 stat = GdipTransformPoints(graphics, CoordinateSpaceWorld,
796 CoordinateSpaceDevice, draw_points, 3);
798 if (stat == Ok)
800 line_points[0] = fill->startpoint;
801 line_points[1] = fill->endpoint;
802 line_points[2].X = fill->startpoint.X + (fill->startpoint.Y - fill->endpoint.Y);
803 line_points[2].Y = fill->startpoint.Y + (fill->endpoint.X - fill->startpoint.X);
805 stat = GdipCreateMatrix3(&box_1, line_points, &world_to_gradient);
808 if (stat == Ok)
810 stat = GdipInvertMatrix(world_to_gradient);
812 if (stat == Ok)
813 stat = GdipTransformMatrixPoints(world_to_gradient, draw_points, 3);
815 GdipDeleteMatrix(world_to_gradient);
818 if (stat == Ok)
820 REAL x_delta = draw_points[1].X - draw_points[0].X;
821 REAL y_delta = draw_points[2].X - draw_points[0].X;
823 for (y=0; y<fill_area->Height; y++)
825 for (x=0; x<fill_area->Width; x++)
827 REAL pos = draw_points[0].X + x * x_delta + y * y_delta;
829 argb_pixels[x + y*cdwStride] = blend_line_gradient(fill, pos);
834 return stat;
836 case BrushTypeTextureFill:
838 GpTexture *fill = (GpTexture*)brush;
839 GpPointF draw_points[3];
840 GpStatus stat;
841 GpMatrix *world_to_texture;
842 int x, y;
843 GpBitmap *bitmap;
844 int src_stride;
845 GpRect src_area;
847 if (fill->image->type != ImageTypeBitmap)
849 FIXME("metafile texture brushes not implemented\n");
850 return NotImplemented;
853 bitmap = (GpBitmap*)fill->image;
854 src_stride = sizeof(ARGB) * bitmap->width;
856 src_area.X = src_area.Y = 0;
857 src_area.Width = bitmap->width;
858 src_area.Height = bitmap->height;
860 draw_points[0].X = fill_area->X;
861 draw_points[0].Y = fill_area->Y;
862 draw_points[1].X = fill_area->X+1;
863 draw_points[1].Y = fill_area->Y;
864 draw_points[2].X = fill_area->X;
865 draw_points[2].Y = fill_area->Y+1;
867 /* Transform the points to the co-ordinate space of the bitmap. */
868 stat = GdipTransformPoints(graphics, CoordinateSpaceWorld,
869 CoordinateSpaceDevice, draw_points, 3);
871 if (stat == Ok)
873 stat = GdipCloneMatrix(fill->transform, &world_to_texture);
876 if (stat == Ok)
878 stat = GdipInvertMatrix(world_to_texture);
880 if (stat == Ok)
881 stat = GdipTransformMatrixPoints(world_to_texture, draw_points, 3);
883 GdipDeleteMatrix(world_to_texture);
886 if (stat == Ok && !fill->bitmap_bits)
888 BitmapData lockeddata;
890 fill->bitmap_bits = GdipAlloc(sizeof(ARGB) * bitmap->width * bitmap->height);
891 if (!fill->bitmap_bits)
892 stat = OutOfMemory;
894 if (stat == Ok)
896 lockeddata.Width = bitmap->width;
897 lockeddata.Height = bitmap->height;
898 lockeddata.Stride = src_stride;
899 lockeddata.PixelFormat = PixelFormat32bppARGB;
900 lockeddata.Scan0 = fill->bitmap_bits;
902 stat = GdipBitmapLockBits(bitmap, &src_area, ImageLockModeRead|ImageLockModeUserInputBuf,
903 PixelFormat32bppARGB, &lockeddata);
906 if (stat == Ok)
907 stat = GdipBitmapUnlockBits(bitmap, &lockeddata);
909 if (stat == Ok)
910 apply_image_attributes(fill->imageattributes, fill->bitmap_bits,
911 bitmap->width, bitmap->height,
912 src_stride, ColorAdjustTypeBitmap);
914 if (stat != Ok)
916 GdipFree(fill->bitmap_bits);
917 fill->bitmap_bits = NULL;
921 if (stat == Ok)
923 REAL x_dx = draw_points[1].X - draw_points[0].X;
924 REAL x_dy = draw_points[1].Y - draw_points[0].Y;
925 REAL y_dx = draw_points[2].X - draw_points[0].X;
926 REAL y_dy = draw_points[2].Y - draw_points[0].Y;
928 for (y=0; y<fill_area->Height; y++)
930 for (x=0; x<fill_area->Width; x++)
932 GpPointF point;
933 point.X = draw_points[0].X + x * x_dx + y * y_dx;
934 point.Y = draw_points[0].Y + y * x_dy + y * y_dy;
936 argb_pixels[x + y*cdwStride] = resample_bitmap_pixel(
937 &src_area, fill->bitmap_bits, bitmap->width, bitmap->height,
938 &point, fill->imageattributes, graphics->interpolation);
943 return stat;
945 default:
946 return NotImplemented;
950 /* GdipDrawPie/GdipFillPie helper function */
951 static void draw_pie(GpGraphics *graphics, REAL x, REAL y, REAL width,
952 REAL height, REAL startAngle, REAL sweepAngle)
954 GpPointF ptf[4];
955 POINT pti[4];
957 ptf[0].X = x;
958 ptf[0].Y = y;
959 ptf[1].X = x + width;
960 ptf[1].Y = y + height;
962 deg2xy(startAngle+sweepAngle, x + width / 2.0, y + width / 2.0, &ptf[2].X, &ptf[2].Y);
963 deg2xy(startAngle, x + width / 2.0, y + width / 2.0, &ptf[3].X, &ptf[3].Y);
965 transform_and_round_points(graphics, pti, ptf, 4);
967 Pie(graphics->hdc, pti[0].x, pti[0].y, pti[1].x, pti[1].y, pti[2].x,
968 pti[2].y, pti[3].x, pti[3].y);
971 /* Draws the linecap the specified color and size on the hdc. The linecap is in
972 * direction of the line from x1, y1 to x2, y2 and is anchored on x2, y2. Probably
973 * should not be called on an hdc that has a path you care about. */
974 static void draw_cap(GpGraphics *graphics, COLORREF color, GpLineCap cap, REAL size,
975 const GpCustomLineCap *custom, REAL x1, REAL y1, REAL x2, REAL y2)
977 HGDIOBJ oldbrush = NULL, oldpen = NULL;
978 GpMatrix *matrix = NULL;
979 HBRUSH brush = NULL;
980 HPEN pen = NULL;
981 PointF ptf[4], *custptf = NULL;
982 POINT pt[4], *custpt = NULL;
983 BYTE *tp = NULL;
984 REAL theta, dsmall, dbig, dx, dy = 0.0;
985 INT i, count;
986 LOGBRUSH lb;
987 BOOL customstroke;
989 if((x1 == x2) && (y1 == y2))
990 return;
992 theta = gdiplus_atan2(y2 - y1, x2 - x1);
994 customstroke = (cap == LineCapCustom) && custom && (!custom->fill);
995 if(!customstroke){
996 brush = CreateSolidBrush(color);
997 lb.lbStyle = BS_SOLID;
998 lb.lbColor = color;
999 lb.lbHatch = 0;
1000 pen = ExtCreatePen(PS_GEOMETRIC | PS_SOLID | PS_ENDCAP_FLAT |
1001 PS_JOIN_MITER, 1, &lb, 0,
1002 NULL);
1003 oldbrush = SelectObject(graphics->hdc, brush);
1004 oldpen = SelectObject(graphics->hdc, pen);
1007 switch(cap){
1008 case LineCapFlat:
1009 break;
1010 case LineCapSquare:
1011 case LineCapSquareAnchor:
1012 case LineCapDiamondAnchor:
1013 size = size * (cap & LineCapNoAnchor ? ANCHOR_WIDTH : 1.0) / 2.0;
1014 if(cap == LineCapDiamondAnchor){
1015 dsmall = cos(theta + M_PI_2) * size;
1016 dbig = sin(theta + M_PI_2) * size;
1018 else{
1019 dsmall = cos(theta + M_PI_4) * size;
1020 dbig = sin(theta + M_PI_4) * size;
1023 ptf[0].X = x2 - dsmall;
1024 ptf[1].X = x2 + dbig;
1026 ptf[0].Y = y2 - dbig;
1027 ptf[3].Y = y2 + dsmall;
1029 ptf[1].Y = y2 - dsmall;
1030 ptf[2].Y = y2 + dbig;
1032 ptf[3].X = x2 - dbig;
1033 ptf[2].X = x2 + dsmall;
1035 transform_and_round_points(graphics, pt, ptf, 4);
1036 Polygon(graphics->hdc, pt, 4);
1038 break;
1039 case LineCapArrowAnchor:
1040 size = size * 4.0 / sqrt(3.0);
1042 dx = cos(M_PI / 6.0 + theta) * size;
1043 dy = sin(M_PI / 6.0 + theta) * size;
1045 ptf[0].X = x2 - dx;
1046 ptf[0].Y = y2 - dy;
1048 dx = cos(- M_PI / 6.0 + theta) * size;
1049 dy = sin(- M_PI / 6.0 + theta) * size;
1051 ptf[1].X = x2 - dx;
1052 ptf[1].Y = y2 - dy;
1054 ptf[2].X = x2;
1055 ptf[2].Y = y2;
1057 transform_and_round_points(graphics, pt, ptf, 3);
1058 Polygon(graphics->hdc, pt, 3);
1060 break;
1061 case LineCapRoundAnchor:
1062 dx = dy = ANCHOR_WIDTH * size / 2.0;
1064 ptf[0].X = x2 - dx;
1065 ptf[0].Y = y2 - dy;
1066 ptf[1].X = x2 + dx;
1067 ptf[1].Y = y2 + dy;
1069 transform_and_round_points(graphics, pt, ptf, 2);
1070 Ellipse(graphics->hdc, pt[0].x, pt[0].y, pt[1].x, pt[1].y);
1072 break;
1073 case LineCapTriangle:
1074 size = size / 2.0;
1075 dx = cos(M_PI_2 + theta) * size;
1076 dy = sin(M_PI_2 + theta) * size;
1078 ptf[0].X = x2 - dx;
1079 ptf[0].Y = y2 - dy;
1080 ptf[1].X = x2 + dx;
1081 ptf[1].Y = y2 + dy;
1083 dx = cos(theta) * size;
1084 dy = sin(theta) * size;
1086 ptf[2].X = x2 + dx;
1087 ptf[2].Y = y2 + dy;
1089 transform_and_round_points(graphics, pt, ptf, 3);
1090 Polygon(graphics->hdc, pt, 3);
1092 break;
1093 case LineCapRound:
1094 dx = dy = size / 2.0;
1096 ptf[0].X = x2 - dx;
1097 ptf[0].Y = y2 - dy;
1098 ptf[1].X = x2 + dx;
1099 ptf[1].Y = y2 + dy;
1101 dx = -cos(M_PI_2 + theta) * size;
1102 dy = -sin(M_PI_2 + theta) * size;
1104 ptf[2].X = x2 - dx;
1105 ptf[2].Y = y2 - dy;
1106 ptf[3].X = x2 + dx;
1107 ptf[3].Y = y2 + dy;
1109 transform_and_round_points(graphics, pt, ptf, 4);
1110 Pie(graphics->hdc, pt[0].x, pt[0].y, pt[1].x, pt[1].y, pt[2].x,
1111 pt[2].y, pt[3].x, pt[3].y);
1113 break;
1114 case LineCapCustom:
1115 if(!custom)
1116 break;
1118 count = custom->pathdata.Count;
1119 custptf = GdipAlloc(count * sizeof(PointF));
1120 custpt = GdipAlloc(count * sizeof(POINT));
1121 tp = GdipAlloc(count);
1123 if(!custptf || !custpt || !tp || (GdipCreateMatrix(&matrix) != Ok))
1124 goto custend;
1126 memcpy(custptf, custom->pathdata.Points, count * sizeof(PointF));
1128 GdipScaleMatrix(matrix, size, size, MatrixOrderAppend);
1129 GdipRotateMatrix(matrix, (180.0 / M_PI) * (theta - M_PI_2),
1130 MatrixOrderAppend);
1131 GdipTranslateMatrix(matrix, x2, y2, MatrixOrderAppend);
1132 GdipTransformMatrixPoints(matrix, custptf, count);
1134 transform_and_round_points(graphics, custpt, custptf, count);
1136 for(i = 0; i < count; i++)
1137 tp[i] = convert_path_point_type(custom->pathdata.Types[i]);
1139 if(custom->fill){
1140 BeginPath(graphics->hdc);
1141 PolyDraw(graphics->hdc, custpt, tp, count);
1142 EndPath(graphics->hdc);
1143 StrokeAndFillPath(graphics->hdc);
1145 else
1146 PolyDraw(graphics->hdc, custpt, tp, count);
1148 custend:
1149 GdipFree(custptf);
1150 GdipFree(custpt);
1151 GdipFree(tp);
1152 GdipDeleteMatrix(matrix);
1153 break;
1154 default:
1155 break;
1158 if(!customstroke){
1159 SelectObject(graphics->hdc, oldbrush);
1160 SelectObject(graphics->hdc, oldpen);
1161 DeleteObject(brush);
1162 DeleteObject(pen);
1166 /* Shortens the line by the given percent by changing x2, y2.
1167 * If percent is > 1.0 then the line will change direction.
1168 * If percent is negative it can lengthen the line. */
1169 static void shorten_line_percent(REAL x1, REAL y1, REAL *x2, REAL *y2, REAL percent)
1171 REAL dist, theta, dx, dy;
1173 if((y1 == *y2) && (x1 == *x2))
1174 return;
1176 dist = sqrt((*x2 - x1) * (*x2 - x1) + (*y2 - y1) * (*y2 - y1)) * -percent;
1177 theta = gdiplus_atan2((*y2 - y1), (*x2 - x1));
1178 dx = cos(theta) * dist;
1179 dy = sin(theta) * dist;
1181 *x2 = *x2 + dx;
1182 *y2 = *y2 + dy;
1185 /* Shortens the line by the given amount by changing x2, y2.
1186 * If the amount is greater than the distance, the line will become length 0.
1187 * If the amount is negative, it can lengthen the line. */
1188 static void shorten_line_amt(REAL x1, REAL y1, REAL *x2, REAL *y2, REAL amt)
1190 REAL dx, dy, percent;
1192 dx = *x2 - x1;
1193 dy = *y2 - y1;
1194 if(dx == 0 && dy == 0)
1195 return;
1197 percent = amt / sqrt(dx * dx + dy * dy);
1198 if(percent >= 1.0){
1199 *x2 = x1;
1200 *y2 = y1;
1201 return;
1204 shorten_line_percent(x1, y1, x2, y2, percent);
1207 /* Draws lines between the given points, and if caps is true then draws an endcap
1208 * at the end of the last line. */
1209 static GpStatus draw_polyline(GpGraphics *graphics, GpPen *pen,
1210 GDIPCONST GpPointF * pt, INT count, BOOL caps)
1212 POINT *pti = NULL;
1213 GpPointF *ptcopy = NULL;
1214 GpStatus status = GenericError;
1216 if(!count)
1217 return Ok;
1219 pti = GdipAlloc(count * sizeof(POINT));
1220 ptcopy = GdipAlloc(count * sizeof(GpPointF));
1222 if(!pti || !ptcopy){
1223 status = OutOfMemory;
1224 goto end;
1227 memcpy(ptcopy, pt, count * sizeof(GpPointF));
1229 if(caps){
1230 if(pen->endcap == LineCapArrowAnchor)
1231 shorten_line_amt(ptcopy[count-2].X, ptcopy[count-2].Y,
1232 &ptcopy[count-1].X, &ptcopy[count-1].Y, pen->width);
1233 else if((pen->endcap == LineCapCustom) && pen->customend)
1234 shorten_line_amt(ptcopy[count-2].X, ptcopy[count-2].Y,
1235 &ptcopy[count-1].X, &ptcopy[count-1].Y,
1236 pen->customend->inset * pen->width);
1238 if(pen->startcap == LineCapArrowAnchor)
1239 shorten_line_amt(ptcopy[1].X, ptcopy[1].Y,
1240 &ptcopy[0].X, &ptcopy[0].Y, pen->width);
1241 else if((pen->startcap == LineCapCustom) && pen->customstart)
1242 shorten_line_amt(ptcopy[1].X, ptcopy[1].Y,
1243 &ptcopy[0].X, &ptcopy[0].Y,
1244 pen->customstart->inset * pen->width);
1246 draw_cap(graphics, pen->brush->lb.lbColor, pen->endcap, pen->width, pen->customend,
1247 pt[count - 2].X, pt[count - 2].Y, pt[count - 1].X, pt[count - 1].Y);
1248 draw_cap(graphics, pen->brush->lb.lbColor, pen->startcap, pen->width, pen->customstart,
1249 pt[1].X, pt[1].Y, pt[0].X, pt[0].Y);
1252 transform_and_round_points(graphics, pti, ptcopy, count);
1254 if(Polyline(graphics->hdc, pti, count))
1255 status = Ok;
1257 end:
1258 GdipFree(pti);
1259 GdipFree(ptcopy);
1261 return status;
1264 /* Conducts a linear search to find the bezier points that will back off
1265 * the endpoint of the curve by a distance of amt. Linear search works
1266 * better than binary in this case because there are multiple solutions,
1267 * and binary searches often find a bad one. I don't think this is what
1268 * Windows does but short of rendering the bezier without GDI's help it's
1269 * the best we can do. If rev then work from the start of the passed points
1270 * instead of the end. */
1271 static void shorten_bezier_amt(GpPointF * pt, REAL amt, BOOL rev)
1273 GpPointF origpt[4];
1274 REAL percent = 0.00, dx, dy, origx, origy, diff = -1.0;
1275 INT i, first = 0, second = 1, third = 2, fourth = 3;
1277 if(rev){
1278 first = 3;
1279 second = 2;
1280 third = 1;
1281 fourth = 0;
1284 origx = pt[fourth].X;
1285 origy = pt[fourth].Y;
1286 memcpy(origpt, pt, sizeof(GpPointF) * 4);
1288 for(i = 0; (i < MAX_ITERS) && (diff < amt); i++){
1289 /* reset bezier points to original values */
1290 memcpy(pt, origpt, sizeof(GpPointF) * 4);
1291 /* Perform magic on bezier points. Order is important here.*/
1292 shorten_line_percent(pt[third].X, pt[third].Y, &pt[fourth].X, &pt[fourth].Y, percent);
1293 shorten_line_percent(pt[second].X, pt[second].Y, &pt[third].X, &pt[third].Y, percent);
1294 shorten_line_percent(pt[third].X, pt[third].Y, &pt[fourth].X, &pt[fourth].Y, percent);
1295 shorten_line_percent(pt[first].X, pt[first].Y, &pt[second].X, &pt[second].Y, percent);
1296 shorten_line_percent(pt[second].X, pt[second].Y, &pt[third].X, &pt[third].Y, percent);
1297 shorten_line_percent(pt[third].X, pt[third].Y, &pt[fourth].X, &pt[fourth].Y, percent);
1299 dx = pt[fourth].X - origx;
1300 dy = pt[fourth].Y - origy;
1302 diff = sqrt(dx * dx + dy * dy);
1303 percent += 0.0005 * amt;
1307 /* Draws bezier curves between given points, and if caps is true then draws an
1308 * endcap at the end of the last line. */
1309 static GpStatus draw_polybezier(GpGraphics *graphics, GpPen *pen,
1310 GDIPCONST GpPointF * pt, INT count, BOOL caps)
1312 POINT *pti;
1313 GpPointF *ptcopy;
1314 GpStatus status = GenericError;
1316 if(!count)
1317 return Ok;
1319 pti = GdipAlloc(count * sizeof(POINT));
1320 ptcopy = GdipAlloc(count * sizeof(GpPointF));
1322 if(!pti || !ptcopy){
1323 status = OutOfMemory;
1324 goto end;
1327 memcpy(ptcopy, pt, count * sizeof(GpPointF));
1329 if(caps){
1330 if(pen->endcap == LineCapArrowAnchor)
1331 shorten_bezier_amt(&ptcopy[count-4], pen->width, FALSE);
1332 else if((pen->endcap == LineCapCustom) && pen->customend)
1333 shorten_bezier_amt(&ptcopy[count-4], pen->width * pen->customend->inset,
1334 FALSE);
1336 if(pen->startcap == LineCapArrowAnchor)
1337 shorten_bezier_amt(ptcopy, pen->width, TRUE);
1338 else if((pen->startcap == LineCapCustom) && pen->customstart)
1339 shorten_bezier_amt(ptcopy, pen->width * pen->customstart->inset, TRUE);
1341 /* the direction of the line cap is parallel to the direction at the
1342 * end of the bezier (which, if it has been shortened, is not the same
1343 * as the direction from pt[count-2] to pt[count-1]) */
1344 draw_cap(graphics, pen->brush->lb.lbColor, pen->endcap, pen->width, pen->customend,
1345 pt[count - 1].X - (ptcopy[count - 1].X - ptcopy[count - 2].X),
1346 pt[count - 1].Y - (ptcopy[count - 1].Y - ptcopy[count - 2].Y),
1347 pt[count - 1].X, pt[count - 1].Y);
1349 draw_cap(graphics, pen->brush->lb.lbColor, pen->startcap, pen->width, pen->customstart,
1350 pt[0].X - (ptcopy[0].X - ptcopy[1].X),
1351 pt[0].Y - (ptcopy[0].Y - ptcopy[1].Y), pt[0].X, pt[0].Y);
1354 transform_and_round_points(graphics, pti, ptcopy, count);
1356 PolyBezier(graphics->hdc, pti, count);
1358 status = Ok;
1360 end:
1361 GdipFree(pti);
1362 GdipFree(ptcopy);
1364 return status;
1367 /* Draws a combination of bezier curves and lines between points. */
1368 static GpStatus draw_poly(GpGraphics *graphics, GpPen *pen, GDIPCONST GpPointF * pt,
1369 GDIPCONST BYTE * types, INT count, BOOL caps)
1371 POINT *pti = GdipAlloc(count * sizeof(POINT));
1372 BYTE *tp = GdipAlloc(count);
1373 GpPointF *ptcopy = GdipAlloc(count * sizeof(GpPointF));
1374 INT i, j;
1375 GpStatus status = GenericError;
1377 if(!count){
1378 status = Ok;
1379 goto end;
1381 if(!pti || !tp || !ptcopy){
1382 status = OutOfMemory;
1383 goto end;
1386 for(i = 1; i < count; i++){
1387 if((types[i] & PathPointTypePathTypeMask) == PathPointTypeBezier){
1388 if((i + 2 >= count) || !(types[i + 1] & PathPointTypeBezier)
1389 || !(types[i + 1] & PathPointTypeBezier)){
1390 ERR("Bad bezier points\n");
1391 goto end;
1393 i += 2;
1397 memcpy(ptcopy, pt, count * sizeof(GpPointF));
1399 /* If we are drawing caps, go through the points and adjust them accordingly,
1400 * and draw the caps. */
1401 if(caps){
1402 switch(types[count - 1] & PathPointTypePathTypeMask){
1403 case PathPointTypeBezier:
1404 if(pen->endcap == LineCapArrowAnchor)
1405 shorten_bezier_amt(&ptcopy[count - 4], pen->width, FALSE);
1406 else if((pen->endcap == LineCapCustom) && pen->customend)
1407 shorten_bezier_amt(&ptcopy[count - 4],
1408 pen->width * pen->customend->inset, FALSE);
1410 draw_cap(graphics, pen->brush->lb.lbColor, pen->endcap, pen->width, pen->customend,
1411 pt[count - 1].X - (ptcopy[count - 1].X - ptcopy[count - 2].X),
1412 pt[count - 1].Y - (ptcopy[count - 1].Y - ptcopy[count - 2].Y),
1413 pt[count - 1].X, pt[count - 1].Y);
1415 break;
1416 case PathPointTypeLine:
1417 if(pen->endcap == LineCapArrowAnchor)
1418 shorten_line_amt(ptcopy[count - 2].X, ptcopy[count - 2].Y,
1419 &ptcopy[count - 1].X, &ptcopy[count - 1].Y,
1420 pen->width);
1421 else if((pen->endcap == LineCapCustom) && pen->customend)
1422 shorten_line_amt(ptcopy[count - 2].X, ptcopy[count - 2].Y,
1423 &ptcopy[count - 1].X, &ptcopy[count - 1].Y,
1424 pen->customend->inset * pen->width);
1426 draw_cap(graphics, pen->brush->lb.lbColor, pen->endcap, pen->width, pen->customend,
1427 pt[count - 2].X, pt[count - 2].Y, pt[count - 1].X,
1428 pt[count - 1].Y);
1430 break;
1431 default:
1432 ERR("Bad path last point\n");
1433 goto end;
1436 /* Find start of points */
1437 for(j = 1; j < count && ((types[j] & PathPointTypePathTypeMask)
1438 == PathPointTypeStart); j++);
1440 switch(types[j] & PathPointTypePathTypeMask){
1441 case PathPointTypeBezier:
1442 if(pen->startcap == LineCapArrowAnchor)
1443 shorten_bezier_amt(&ptcopy[j - 1], pen->width, TRUE);
1444 else if((pen->startcap == LineCapCustom) && pen->customstart)
1445 shorten_bezier_amt(&ptcopy[j - 1],
1446 pen->width * pen->customstart->inset, TRUE);
1448 draw_cap(graphics, pen->brush->lb.lbColor, pen->startcap, pen->width, pen->customstart,
1449 pt[j - 1].X - (ptcopy[j - 1].X - ptcopy[j].X),
1450 pt[j - 1].Y - (ptcopy[j - 1].Y - ptcopy[j].Y),
1451 pt[j - 1].X, pt[j - 1].Y);
1453 break;
1454 case PathPointTypeLine:
1455 if(pen->startcap == LineCapArrowAnchor)
1456 shorten_line_amt(ptcopy[j].X, ptcopy[j].Y,
1457 &ptcopy[j - 1].X, &ptcopy[j - 1].Y,
1458 pen->width);
1459 else if((pen->startcap == LineCapCustom) && pen->customstart)
1460 shorten_line_amt(ptcopy[j].X, ptcopy[j].Y,
1461 &ptcopy[j - 1].X, &ptcopy[j - 1].Y,
1462 pen->customstart->inset * pen->width);
1464 draw_cap(graphics, pen->brush->lb.lbColor, pen->startcap, pen->width, pen->customstart,
1465 pt[j].X, pt[j].Y, pt[j - 1].X,
1466 pt[j - 1].Y);
1468 break;
1469 default:
1470 ERR("Bad path points\n");
1471 goto end;
1475 transform_and_round_points(graphics, pti, ptcopy, count);
1477 for(i = 0; i < count; i++){
1478 tp[i] = convert_path_point_type(types[i]);
1481 PolyDraw(graphics->hdc, pti, tp, count);
1483 status = Ok;
1485 end:
1486 GdipFree(pti);
1487 GdipFree(ptcopy);
1488 GdipFree(tp);
1490 return status;
1493 GpStatus trace_path(GpGraphics *graphics, GpPath *path)
1495 GpStatus result;
1497 BeginPath(graphics->hdc);
1498 result = draw_poly(graphics, NULL, path->pathdata.Points,
1499 path->pathdata.Types, path->pathdata.Count, FALSE);
1500 EndPath(graphics->hdc);
1501 return result;
1504 typedef struct _GraphicsContainerItem {
1505 struct list entry;
1506 GraphicsContainer contid;
1508 SmoothingMode smoothing;
1509 CompositingQuality compqual;
1510 InterpolationMode interpolation;
1511 CompositingMode compmode;
1512 TextRenderingHint texthint;
1513 REAL scale;
1514 GpUnit unit;
1515 PixelOffsetMode pixeloffset;
1516 UINT textcontrast;
1517 GpMatrix* worldtrans;
1518 GpRegion* clip;
1519 } GraphicsContainerItem;
1521 static GpStatus init_container(GraphicsContainerItem** container,
1522 GDIPCONST GpGraphics* graphics){
1523 GpStatus sts;
1525 *container = GdipAlloc(sizeof(GraphicsContainerItem));
1526 if(!(*container))
1527 return OutOfMemory;
1529 (*container)->contid = graphics->contid + 1;
1531 (*container)->smoothing = graphics->smoothing;
1532 (*container)->compqual = graphics->compqual;
1533 (*container)->interpolation = graphics->interpolation;
1534 (*container)->compmode = graphics->compmode;
1535 (*container)->texthint = graphics->texthint;
1536 (*container)->scale = graphics->scale;
1537 (*container)->unit = graphics->unit;
1538 (*container)->textcontrast = graphics->textcontrast;
1539 (*container)->pixeloffset = graphics->pixeloffset;
1541 sts = GdipCloneMatrix(graphics->worldtrans, &(*container)->worldtrans);
1542 if(sts != Ok){
1543 GdipFree(*container);
1544 *container = NULL;
1545 return sts;
1548 sts = GdipCloneRegion(graphics->clip, &(*container)->clip);
1549 if(sts != Ok){
1550 GdipDeleteMatrix((*container)->worldtrans);
1551 GdipFree(*container);
1552 *container = NULL;
1553 return sts;
1556 return Ok;
1559 static void delete_container(GraphicsContainerItem* container){
1560 GdipDeleteMatrix(container->worldtrans);
1561 GdipDeleteRegion(container->clip);
1562 GdipFree(container);
1565 static GpStatus restore_container(GpGraphics* graphics,
1566 GDIPCONST GraphicsContainerItem* container){
1567 GpStatus sts;
1568 GpMatrix *newTrans;
1569 GpRegion *newClip;
1571 sts = GdipCloneMatrix(container->worldtrans, &newTrans);
1572 if(sts != Ok)
1573 return sts;
1575 sts = GdipCloneRegion(container->clip, &newClip);
1576 if(sts != Ok){
1577 GdipDeleteMatrix(newTrans);
1578 return sts;
1581 GdipDeleteMatrix(graphics->worldtrans);
1582 graphics->worldtrans = newTrans;
1584 GdipDeleteRegion(graphics->clip);
1585 graphics->clip = newClip;
1587 graphics->contid = container->contid - 1;
1589 graphics->smoothing = container->smoothing;
1590 graphics->compqual = container->compqual;
1591 graphics->interpolation = container->interpolation;
1592 graphics->compmode = container->compmode;
1593 graphics->texthint = container->texthint;
1594 graphics->scale = container->scale;
1595 graphics->unit = container->unit;
1596 graphics->textcontrast = container->textcontrast;
1597 graphics->pixeloffset = container->pixeloffset;
1599 return Ok;
1602 static GpStatus get_graphics_bounds(GpGraphics* graphics, GpRectF* rect)
1604 RECT wnd_rect;
1605 GpStatus stat=Ok;
1606 GpUnit unit;
1608 if(graphics->hwnd) {
1609 if(!GetClientRect(graphics->hwnd, &wnd_rect))
1610 return GenericError;
1612 rect->X = wnd_rect.left;
1613 rect->Y = wnd_rect.top;
1614 rect->Width = wnd_rect.right - wnd_rect.left;
1615 rect->Height = wnd_rect.bottom - wnd_rect.top;
1616 }else if (graphics->image){
1617 stat = GdipGetImageBounds(graphics->image, rect, &unit);
1618 if (stat == Ok && unit != UnitPixel)
1619 FIXME("need to convert from unit %i\n", unit);
1620 }else{
1621 rect->X = 0;
1622 rect->Y = 0;
1623 rect->Width = GetDeviceCaps(graphics->hdc, HORZRES);
1624 rect->Height = GetDeviceCaps(graphics->hdc, VERTRES);
1627 return stat;
1630 /* on success, rgn will contain the region of the graphics object which
1631 * is visible after clipping has been applied */
1632 static GpStatus get_visible_clip_region(GpGraphics *graphics, GpRegion *rgn)
1634 GpStatus stat;
1635 GpRectF rectf;
1636 GpRegion* tmp;
1638 if((stat = get_graphics_bounds(graphics, &rectf)) != Ok)
1639 return stat;
1641 if((stat = GdipCreateRegion(&tmp)) != Ok)
1642 return stat;
1644 if((stat = GdipCombineRegionRect(tmp, &rectf, CombineModeReplace)) != Ok)
1645 goto end;
1647 if((stat = GdipCombineRegionRegion(tmp, graphics->clip, CombineModeIntersect)) != Ok)
1648 goto end;
1650 stat = GdipCombineRegionRegion(rgn, tmp, CombineModeReplace);
1652 end:
1653 GdipDeleteRegion(tmp);
1654 return stat;
1657 GpStatus WINGDIPAPI GdipCreateFromHDC(HDC hdc, GpGraphics **graphics)
1659 TRACE("(%p, %p)\n", hdc, graphics);
1661 return GdipCreateFromHDC2(hdc, NULL, graphics);
1664 GpStatus WINGDIPAPI GdipCreateFromHDC2(HDC hdc, HANDLE hDevice, GpGraphics **graphics)
1666 GpStatus retval;
1668 TRACE("(%p, %p, %p)\n", hdc, hDevice, graphics);
1670 if(hDevice != NULL) {
1671 FIXME("Don't know how to handle parameter hDevice\n");
1672 return NotImplemented;
1675 if(hdc == NULL)
1676 return OutOfMemory;
1678 if(graphics == NULL)
1679 return InvalidParameter;
1681 *graphics = GdipAlloc(sizeof(GpGraphics));
1682 if(!*graphics) return OutOfMemory;
1684 if((retval = GdipCreateMatrix(&(*graphics)->worldtrans)) != Ok){
1685 GdipFree(*graphics);
1686 return retval;
1689 if((retval = GdipCreateRegion(&(*graphics)->clip)) != Ok){
1690 GdipFree((*graphics)->worldtrans);
1691 GdipFree(*graphics);
1692 return retval;
1695 (*graphics)->hdc = hdc;
1696 (*graphics)->hwnd = WindowFromDC(hdc);
1697 (*graphics)->owndc = FALSE;
1698 (*graphics)->smoothing = SmoothingModeDefault;
1699 (*graphics)->compqual = CompositingQualityDefault;
1700 (*graphics)->interpolation = InterpolationModeBilinear;
1701 (*graphics)->pixeloffset = PixelOffsetModeDefault;
1702 (*graphics)->compmode = CompositingModeSourceOver;
1703 (*graphics)->unit = UnitDisplay;
1704 (*graphics)->scale = 1.0;
1705 (*graphics)->busy = FALSE;
1706 (*graphics)->textcontrast = 4;
1707 list_init(&(*graphics)->containers);
1708 (*graphics)->contid = 0;
1710 TRACE("<-- %p\n", *graphics);
1712 return Ok;
1715 GpStatus graphics_from_image(GpImage *image, GpGraphics **graphics)
1717 GpStatus retval;
1719 *graphics = GdipAlloc(sizeof(GpGraphics));
1720 if(!*graphics) return OutOfMemory;
1722 if((retval = GdipCreateMatrix(&(*graphics)->worldtrans)) != Ok){
1723 GdipFree(*graphics);
1724 return retval;
1727 if((retval = GdipCreateRegion(&(*graphics)->clip)) != Ok){
1728 GdipFree((*graphics)->worldtrans);
1729 GdipFree(*graphics);
1730 return retval;
1733 (*graphics)->hdc = NULL;
1734 (*graphics)->hwnd = NULL;
1735 (*graphics)->owndc = FALSE;
1736 (*graphics)->image = image;
1737 (*graphics)->smoothing = SmoothingModeDefault;
1738 (*graphics)->compqual = CompositingQualityDefault;
1739 (*graphics)->interpolation = InterpolationModeBilinear;
1740 (*graphics)->pixeloffset = PixelOffsetModeDefault;
1741 (*graphics)->compmode = CompositingModeSourceOver;
1742 (*graphics)->unit = UnitDisplay;
1743 (*graphics)->scale = 1.0;
1744 (*graphics)->busy = FALSE;
1745 (*graphics)->textcontrast = 4;
1746 list_init(&(*graphics)->containers);
1747 (*graphics)->contid = 0;
1749 TRACE("<-- %p\n", *graphics);
1751 return Ok;
1754 GpStatus WINGDIPAPI GdipCreateFromHWND(HWND hwnd, GpGraphics **graphics)
1756 GpStatus ret;
1757 HDC hdc;
1759 TRACE("(%p, %p)\n", hwnd, graphics);
1761 hdc = GetDC(hwnd);
1763 if((ret = GdipCreateFromHDC(hdc, graphics)) != Ok)
1765 ReleaseDC(hwnd, hdc);
1766 return ret;
1769 (*graphics)->hwnd = hwnd;
1770 (*graphics)->owndc = TRUE;
1772 return Ok;
1775 /* FIXME: no icm handling */
1776 GpStatus WINGDIPAPI GdipCreateFromHWNDICM(HWND hwnd, GpGraphics **graphics)
1778 TRACE("(%p, %p)\n", hwnd, graphics);
1780 return GdipCreateFromHWND(hwnd, graphics);
1783 GpStatus WINGDIPAPI GdipCreateMetafileFromEmf(HENHMETAFILE hemf, BOOL delete,
1784 GpMetafile **metafile)
1786 static int calls;
1788 TRACE("(%p,%i,%p)\n", hemf, delete, metafile);
1790 if(!hemf || !metafile)
1791 return InvalidParameter;
1793 if(!(calls++))
1794 FIXME("not implemented\n");
1796 return NotImplemented;
1799 GpStatus WINGDIPAPI GdipCreateMetafileFromWmf(HMETAFILE hwmf, BOOL delete,
1800 GDIPCONST WmfPlaceableFileHeader * placeable, GpMetafile **metafile)
1802 IStream *stream = NULL;
1803 UINT read;
1804 BYTE* copy;
1805 HENHMETAFILE hemf;
1806 GpStatus retval = Ok;
1808 TRACE("(%p, %d, %p, %p)\n", hwmf, delete, placeable, metafile);
1810 if(!hwmf || !metafile || !placeable)
1811 return InvalidParameter;
1813 *metafile = NULL;
1814 read = GetMetaFileBitsEx(hwmf, 0, NULL);
1815 if(!read)
1816 return GenericError;
1817 copy = GdipAlloc(read);
1818 GetMetaFileBitsEx(hwmf, read, copy);
1820 hemf = SetWinMetaFileBits(read, copy, NULL, NULL);
1821 GdipFree(copy);
1823 read = GetEnhMetaFileBits(hemf, 0, NULL);
1824 copy = GdipAlloc(read);
1825 GetEnhMetaFileBits(hemf, read, copy);
1826 DeleteEnhMetaFile(hemf);
1828 if(CreateStreamOnHGlobal(copy, TRUE, &stream) != S_OK){
1829 ERR("could not make stream\n");
1830 GdipFree(copy);
1831 retval = GenericError;
1832 goto err;
1835 *metafile = GdipAlloc(sizeof(GpMetafile));
1836 if(!*metafile){
1837 retval = OutOfMemory;
1838 goto err;
1841 if(OleLoadPicture(stream, 0, FALSE, &IID_IPicture,
1842 (LPVOID*) &((*metafile)->image.picture)) != S_OK)
1844 retval = GenericError;
1845 goto err;
1849 (*metafile)->image.type = ImageTypeMetafile;
1850 memcpy(&(*metafile)->image.format, &ImageFormatWMF, sizeof(GUID));
1851 (*metafile)->image.palette_flags = 0;
1852 (*metafile)->image.palette_count = 0;
1853 (*metafile)->image.palette_size = 0;
1854 (*metafile)->image.palette_entries = NULL;
1855 (*metafile)->image.xres = (REAL)placeable->Inch;
1856 (*metafile)->image.yres = (REAL)placeable->Inch;
1857 (*metafile)->bounds.X = ((REAL) placeable->BoundingBox.Left) / ((REAL) placeable->Inch);
1858 (*metafile)->bounds.Y = ((REAL) placeable->BoundingBox.Top) / ((REAL) placeable->Inch);
1859 (*metafile)->bounds.Width = ((REAL) (placeable->BoundingBox.Right
1860 - placeable->BoundingBox.Left));
1861 (*metafile)->bounds.Height = ((REAL) (placeable->BoundingBox.Bottom
1862 - placeable->BoundingBox.Top));
1863 (*metafile)->unit = UnitPixel;
1865 if(delete)
1866 DeleteMetaFile(hwmf);
1868 TRACE("<-- %p\n", *metafile);
1870 err:
1871 if (retval != Ok)
1872 GdipFree(*metafile);
1873 IStream_Release(stream);
1874 return retval;
1877 GpStatus WINGDIPAPI GdipCreateMetafileFromWmfFile(GDIPCONST WCHAR *file,
1878 GDIPCONST WmfPlaceableFileHeader * placeable, GpMetafile **metafile)
1880 HMETAFILE hmf = GetMetaFileW(file);
1882 TRACE("(%s, %p, %p)\n", debugstr_w(file), placeable, metafile);
1884 if(!hmf) return InvalidParameter;
1886 return GdipCreateMetafileFromWmf(hmf, TRUE, placeable, metafile);
1889 GpStatus WINGDIPAPI GdipCreateMetafileFromFile(GDIPCONST WCHAR *file,
1890 GpMetafile **metafile)
1892 FIXME("(%p, %p): stub\n", file, metafile);
1893 return NotImplemented;
1896 GpStatus WINGDIPAPI GdipCreateMetafileFromStream(IStream *stream,
1897 GpMetafile **metafile)
1899 FIXME("(%p, %p): stub\n", stream, metafile);
1900 return NotImplemented;
1903 GpStatus WINGDIPAPI GdipCreateStreamOnFile(GDIPCONST WCHAR * filename,
1904 UINT access, IStream **stream)
1906 DWORD dwMode;
1907 HRESULT ret;
1909 TRACE("(%s, %u, %p)\n", debugstr_w(filename), access, stream);
1911 if(!stream || !filename)
1912 return InvalidParameter;
1914 if(access & GENERIC_WRITE)
1915 dwMode = STGM_SHARE_DENY_WRITE | STGM_WRITE | STGM_CREATE;
1916 else if(access & GENERIC_READ)
1917 dwMode = STGM_SHARE_DENY_WRITE | STGM_READ | STGM_FAILIFTHERE;
1918 else
1919 return InvalidParameter;
1921 ret = SHCreateStreamOnFileW(filename, dwMode, stream);
1923 return hresult_to_status(ret);
1926 GpStatus WINGDIPAPI GdipDeleteGraphics(GpGraphics *graphics)
1928 GraphicsContainerItem *cont, *next;
1929 TRACE("(%p)\n", graphics);
1931 if(!graphics) return InvalidParameter;
1932 if(graphics->busy) return ObjectBusy;
1934 if(graphics->owndc)
1935 ReleaseDC(graphics->hwnd, graphics->hdc);
1937 LIST_FOR_EACH_ENTRY_SAFE(cont, next, &graphics->containers, GraphicsContainerItem, entry){
1938 list_remove(&cont->entry);
1939 delete_container(cont);
1942 GdipDeleteRegion(graphics->clip);
1943 GdipDeleteMatrix(graphics->worldtrans);
1944 GdipFree(graphics);
1946 return Ok;
1949 GpStatus WINGDIPAPI GdipDrawArc(GpGraphics *graphics, GpPen *pen, REAL x,
1950 REAL y, REAL width, REAL height, REAL startAngle, REAL sweepAngle)
1952 INT save_state, num_pts;
1953 GpPointF points[MAX_ARC_PTS];
1954 GpStatus retval;
1956 TRACE("(%p, %p, %.2f, %.2f, %.2f, %.2f, %.2f, %.2f)\n", graphics, pen, x, y,
1957 width, height, startAngle, sweepAngle);
1959 if(!graphics || !pen || width <= 0 || height <= 0)
1960 return InvalidParameter;
1962 if(graphics->busy)
1963 return ObjectBusy;
1965 if (!graphics->hdc)
1967 FIXME("graphics object has no HDC\n");
1968 return Ok;
1971 num_pts = arc2polybezier(points, x, y, width, height, startAngle, sweepAngle);
1973 save_state = prepare_dc(graphics, pen);
1975 retval = draw_polybezier(graphics, pen, points, num_pts, TRUE);
1977 restore_dc(graphics, save_state);
1979 return retval;
1982 GpStatus WINGDIPAPI GdipDrawArcI(GpGraphics *graphics, GpPen *pen, INT x,
1983 INT y, INT width, INT height, REAL startAngle, REAL sweepAngle)
1985 TRACE("(%p, %p, %d, %d, %d, %d, %.2f, %.2f)\n", graphics, pen, x, y,
1986 width, height, startAngle, sweepAngle);
1988 return GdipDrawArc(graphics,pen,(REAL)x,(REAL)y,(REAL)width,(REAL)height,startAngle,sweepAngle);
1991 GpStatus WINGDIPAPI GdipDrawBezier(GpGraphics *graphics, GpPen *pen, REAL x1,
1992 REAL y1, REAL x2, REAL y2, REAL x3, REAL y3, REAL x4, REAL y4)
1994 INT save_state;
1995 GpPointF pt[4];
1996 GpStatus retval;
1998 TRACE("(%p, %p, %.2f, %.2f, %.2f, %.2f, %.2f, %.2f, %.2f, %.2f)\n", graphics, pen, x1, y1,
1999 x2, y2, x3, y3, x4, y4);
2001 if(!graphics || !pen)
2002 return InvalidParameter;
2004 if(graphics->busy)
2005 return ObjectBusy;
2007 if (!graphics->hdc)
2009 FIXME("graphics object has no HDC\n");
2010 return Ok;
2013 pt[0].X = x1;
2014 pt[0].Y = y1;
2015 pt[1].X = x2;
2016 pt[1].Y = y2;
2017 pt[2].X = x3;
2018 pt[2].Y = y3;
2019 pt[3].X = x4;
2020 pt[3].Y = y4;
2022 save_state = prepare_dc(graphics, pen);
2024 retval = draw_polybezier(graphics, pen, pt, 4, TRUE);
2026 restore_dc(graphics, save_state);
2028 return retval;
2031 GpStatus WINGDIPAPI GdipDrawBezierI(GpGraphics *graphics, GpPen *pen, INT x1,
2032 INT y1, INT x2, INT y2, INT x3, INT y3, INT x4, INT y4)
2034 INT save_state;
2035 GpPointF pt[4];
2036 GpStatus retval;
2038 TRACE("(%p, %p, %d, %d, %d, %d, %d, %d, %d, %d)\n", graphics, pen, x1, y1,
2039 x2, y2, x3, y3, x4, y4);
2041 if(!graphics || !pen)
2042 return InvalidParameter;
2044 if(graphics->busy)
2045 return ObjectBusy;
2047 if (!graphics->hdc)
2049 FIXME("graphics object has no HDC\n");
2050 return Ok;
2053 pt[0].X = x1;
2054 pt[0].Y = y1;
2055 pt[1].X = x2;
2056 pt[1].Y = y2;
2057 pt[2].X = x3;
2058 pt[2].Y = y3;
2059 pt[3].X = x4;
2060 pt[3].Y = y4;
2062 save_state = prepare_dc(graphics, pen);
2064 retval = draw_polybezier(graphics, pen, pt, 4, TRUE);
2066 restore_dc(graphics, save_state);
2068 return retval;
2071 GpStatus WINGDIPAPI GdipDrawBeziers(GpGraphics *graphics, GpPen *pen,
2072 GDIPCONST GpPointF *points, INT count)
2074 INT i;
2075 GpStatus ret;
2077 TRACE("(%p, %p, %p, %d)\n", graphics, pen, points, count);
2079 if(!graphics || !pen || !points || (count <= 0))
2080 return InvalidParameter;
2082 if(graphics->busy)
2083 return ObjectBusy;
2085 for(i = 0; i < floor(count / 4); i++){
2086 ret = GdipDrawBezier(graphics, pen,
2087 points[4*i].X, points[4*i].Y,
2088 points[4*i + 1].X, points[4*i + 1].Y,
2089 points[4*i + 2].X, points[4*i + 2].Y,
2090 points[4*i + 3].X, points[4*i + 3].Y);
2091 if(ret != Ok)
2092 return ret;
2095 return Ok;
2098 GpStatus WINGDIPAPI GdipDrawBeziersI(GpGraphics *graphics, GpPen *pen,
2099 GDIPCONST GpPoint *points, INT count)
2101 GpPointF *pts;
2102 GpStatus ret;
2103 INT i;
2105 TRACE("(%p, %p, %p, %d)\n", graphics, pen, points, count);
2107 if(!graphics || !pen || !points || (count <= 0))
2108 return InvalidParameter;
2110 if(graphics->busy)
2111 return ObjectBusy;
2113 pts = GdipAlloc(sizeof(GpPointF) * count);
2114 if(!pts)
2115 return OutOfMemory;
2117 for(i = 0; i < count; i++){
2118 pts[i].X = (REAL)points[i].X;
2119 pts[i].Y = (REAL)points[i].Y;
2122 ret = GdipDrawBeziers(graphics,pen,pts,count);
2124 GdipFree(pts);
2126 return ret;
2129 GpStatus WINGDIPAPI GdipDrawClosedCurve(GpGraphics *graphics, GpPen *pen,
2130 GDIPCONST GpPointF *points, INT count)
2132 TRACE("(%p, %p, %p, %d)\n", graphics, pen, points, count);
2134 return GdipDrawClosedCurve2(graphics, pen, points, count, 1.0);
2137 GpStatus WINGDIPAPI GdipDrawClosedCurveI(GpGraphics *graphics, GpPen *pen,
2138 GDIPCONST GpPoint *points, INT count)
2140 TRACE("(%p, %p, %p, %d)\n", graphics, pen, points, count);
2142 return GdipDrawClosedCurve2I(graphics, pen, points, count, 1.0);
2145 GpStatus WINGDIPAPI GdipDrawClosedCurve2(GpGraphics *graphics, GpPen *pen,
2146 GDIPCONST GpPointF *points, INT count, REAL tension)
2148 GpPath *path;
2149 GpStatus stat;
2151 TRACE("(%p, %p, %p, %d, %.2f)\n", graphics, pen, points, count, tension);
2153 if(!graphics || !pen || !points || count <= 0)
2154 return InvalidParameter;
2156 if(graphics->busy)
2157 return ObjectBusy;
2159 if((stat = GdipCreatePath(FillModeAlternate, &path)) != Ok)
2160 return stat;
2162 stat = GdipAddPathClosedCurve2(path, points, count, tension);
2163 if(stat != Ok){
2164 GdipDeletePath(path);
2165 return stat;
2168 stat = GdipDrawPath(graphics, pen, path);
2170 GdipDeletePath(path);
2172 return stat;
2175 GpStatus WINGDIPAPI GdipDrawClosedCurve2I(GpGraphics *graphics, GpPen *pen,
2176 GDIPCONST GpPoint *points, INT count, REAL tension)
2178 GpPointF *ptf;
2179 GpStatus stat;
2180 INT i;
2182 TRACE("(%p, %p, %p, %d, %.2f)\n", graphics, pen, points, count, tension);
2184 if(!points || count <= 0)
2185 return InvalidParameter;
2187 ptf = GdipAlloc(sizeof(GpPointF)*count);
2188 if(!ptf)
2189 return OutOfMemory;
2191 for(i = 0; i < count; i++){
2192 ptf[i].X = (REAL)points[i].X;
2193 ptf[i].Y = (REAL)points[i].Y;
2196 stat = GdipDrawClosedCurve2(graphics, pen, ptf, count, tension);
2198 GdipFree(ptf);
2200 return stat;
2203 GpStatus WINGDIPAPI GdipDrawCurve(GpGraphics *graphics, GpPen *pen,
2204 GDIPCONST GpPointF *points, INT count)
2206 TRACE("(%p, %p, %p, %d)\n", graphics, pen, points, count);
2208 return GdipDrawCurve2(graphics,pen,points,count,1.0);
2211 GpStatus WINGDIPAPI GdipDrawCurveI(GpGraphics *graphics, GpPen *pen,
2212 GDIPCONST GpPoint *points, INT count)
2214 GpPointF *pointsF;
2215 GpStatus ret;
2216 INT i;
2218 TRACE("(%p, %p, %p, %d)\n", graphics, pen, points, count);
2220 if(!points)
2221 return InvalidParameter;
2223 pointsF = GdipAlloc(sizeof(GpPointF)*count);
2224 if(!pointsF)
2225 return OutOfMemory;
2227 for(i = 0; i < count; i++){
2228 pointsF[i].X = (REAL)points[i].X;
2229 pointsF[i].Y = (REAL)points[i].Y;
2232 ret = GdipDrawCurve(graphics,pen,pointsF,count);
2233 GdipFree(pointsF);
2235 return ret;
2238 /* Approximates cardinal spline with Bezier curves. */
2239 GpStatus WINGDIPAPI GdipDrawCurve2(GpGraphics *graphics, GpPen *pen,
2240 GDIPCONST GpPointF *points, INT count, REAL tension)
2242 /* PolyBezier expects count*3-2 points. */
2243 INT i, len_pt = count*3-2, save_state;
2244 GpPointF *pt;
2245 REAL x1, x2, y1, y2;
2246 GpStatus retval;
2248 TRACE("(%p, %p, %p, %d, %.2f)\n", graphics, pen, points, count, tension);
2250 if(!graphics || !pen)
2251 return InvalidParameter;
2253 if(graphics->busy)
2254 return ObjectBusy;
2256 if(count < 2)
2257 return InvalidParameter;
2259 if (!graphics->hdc)
2261 FIXME("graphics object has no HDC\n");
2262 return Ok;
2265 pt = GdipAlloc(len_pt * sizeof(GpPointF));
2266 if(!pt)
2267 return OutOfMemory;
2269 tension = tension * TENSION_CONST;
2271 calc_curve_bezier_endp(points[0].X, points[0].Y, points[1].X, points[1].Y,
2272 tension, &x1, &y1);
2274 pt[0].X = points[0].X;
2275 pt[0].Y = points[0].Y;
2276 pt[1].X = x1;
2277 pt[1].Y = y1;
2279 for(i = 0; i < count-2; i++){
2280 calc_curve_bezier(&(points[i]), tension, &x1, &y1, &x2, &y2);
2282 pt[3*i+2].X = x1;
2283 pt[3*i+2].Y = y1;
2284 pt[3*i+3].X = points[i+1].X;
2285 pt[3*i+3].Y = points[i+1].Y;
2286 pt[3*i+4].X = x2;
2287 pt[3*i+4].Y = y2;
2290 calc_curve_bezier_endp(points[count-1].X, points[count-1].Y,
2291 points[count-2].X, points[count-2].Y, tension, &x1, &y1);
2293 pt[len_pt-2].X = x1;
2294 pt[len_pt-2].Y = y1;
2295 pt[len_pt-1].X = points[count-1].X;
2296 pt[len_pt-1].Y = points[count-1].Y;
2298 save_state = prepare_dc(graphics, pen);
2300 retval = draw_polybezier(graphics, pen, pt, len_pt, TRUE);
2302 GdipFree(pt);
2303 restore_dc(graphics, save_state);
2305 return retval;
2308 GpStatus WINGDIPAPI GdipDrawCurve2I(GpGraphics *graphics, GpPen *pen,
2309 GDIPCONST GpPoint *points, INT count, REAL tension)
2311 GpPointF *pointsF;
2312 GpStatus ret;
2313 INT i;
2315 TRACE("(%p, %p, %p, %d, %.2f)\n", graphics, pen, points, count, tension);
2317 if(!points)
2318 return InvalidParameter;
2320 pointsF = GdipAlloc(sizeof(GpPointF)*count);
2321 if(!pointsF)
2322 return OutOfMemory;
2324 for(i = 0; i < count; i++){
2325 pointsF[i].X = (REAL)points[i].X;
2326 pointsF[i].Y = (REAL)points[i].Y;
2329 ret = GdipDrawCurve2(graphics,pen,pointsF,count,tension);
2330 GdipFree(pointsF);
2332 return ret;
2335 GpStatus WINGDIPAPI GdipDrawCurve3(GpGraphics *graphics, GpPen *pen,
2336 GDIPCONST GpPointF *points, INT count, INT offset, INT numberOfSegments,
2337 REAL tension)
2339 TRACE("(%p, %p, %p, %d, %d, %d, %.2f)\n", graphics, pen, points, count, offset, numberOfSegments, tension);
2341 if(offset >= count || numberOfSegments > count - offset - 1 || numberOfSegments <= 0){
2342 return InvalidParameter;
2345 return GdipDrawCurve2(graphics, pen, points + offset, numberOfSegments + 1, tension);
2348 GpStatus WINGDIPAPI GdipDrawCurve3I(GpGraphics *graphics, GpPen *pen,
2349 GDIPCONST GpPoint *points, INT count, INT offset, INT numberOfSegments,
2350 REAL tension)
2352 TRACE("(%p, %p, %p, %d, %d, %d, %.2f)\n", graphics, pen, points, count, offset, numberOfSegments, tension);
2354 if(count < 0){
2355 return OutOfMemory;
2358 if(offset >= count || numberOfSegments > count - offset - 1 || numberOfSegments <= 0){
2359 return InvalidParameter;
2362 return GdipDrawCurve2I(graphics, pen, points + offset, numberOfSegments + 1, tension);
2365 GpStatus WINGDIPAPI GdipDrawEllipse(GpGraphics *graphics, GpPen *pen, REAL x,
2366 REAL y, REAL width, REAL height)
2368 INT save_state;
2369 GpPointF ptf[2];
2370 POINT pti[2];
2372 TRACE("(%p, %p, %.2f, %.2f, %.2f, %.2f)\n", graphics, pen, x, y, width, height);
2374 if(!graphics || !pen)
2375 return InvalidParameter;
2377 if(graphics->busy)
2378 return ObjectBusy;
2380 if (!graphics->hdc)
2382 FIXME("graphics object has no HDC\n");
2383 return Ok;
2386 ptf[0].X = x;
2387 ptf[0].Y = y;
2388 ptf[1].X = x + width;
2389 ptf[1].Y = y + height;
2391 save_state = prepare_dc(graphics, pen);
2392 SelectObject(graphics->hdc, GetStockObject(NULL_BRUSH));
2394 transform_and_round_points(graphics, pti, ptf, 2);
2396 Ellipse(graphics->hdc, pti[0].x, pti[0].y, pti[1].x, pti[1].y);
2398 restore_dc(graphics, save_state);
2400 return Ok;
2403 GpStatus WINGDIPAPI GdipDrawEllipseI(GpGraphics *graphics, GpPen *pen, INT x,
2404 INT y, INT width, INT height)
2406 TRACE("(%p, %p, %d, %d, %d, %d)\n", graphics, pen, x, y, width, height);
2408 return GdipDrawEllipse(graphics,pen,(REAL)x,(REAL)y,(REAL)width,(REAL)height);
2412 GpStatus WINGDIPAPI GdipDrawImage(GpGraphics *graphics, GpImage *image, REAL x, REAL y)
2414 UINT width, height;
2415 GpPointF points[3];
2417 TRACE("(%p, %p, %.2f, %.2f)\n", graphics, image, x, y);
2419 if(!graphics || !image)
2420 return InvalidParameter;
2422 GdipGetImageWidth(image, &width);
2423 GdipGetImageHeight(image, &height);
2425 /* FIXME: we should use the graphics and image dpi, somehow */
2427 points[0].X = points[2].X = x;
2428 points[0].Y = points[1].Y = y;
2429 points[1].X = x + width;
2430 points[2].Y = y + height;
2432 return GdipDrawImagePointsRect(graphics, image, points, 3, 0, 0, width, height,
2433 UnitPixel, NULL, NULL, NULL);
2436 GpStatus WINGDIPAPI GdipDrawImageI(GpGraphics *graphics, GpImage *image, INT x,
2437 INT y)
2439 TRACE("(%p, %p, %d, %d)\n", graphics, image, x, y);
2441 return GdipDrawImage(graphics, image, (REAL)x, (REAL)y);
2444 GpStatus WINGDIPAPI GdipDrawImagePointRect(GpGraphics *graphics, GpImage *image,
2445 REAL x, REAL y, REAL srcx, REAL srcy, REAL srcwidth, REAL srcheight,
2446 GpUnit srcUnit)
2448 GpPointF points[3];
2449 TRACE("(%p, %p, %f, %f, %f, %f, %f, %f, %d)\n", graphics, image, x, y, srcx, srcy, srcwidth, srcheight, srcUnit);
2451 points[0].X = points[2].X = x;
2452 points[0].Y = points[1].Y = y;
2454 /* FIXME: convert image coordinates to Graphics coordinates? */
2455 points[1].X = x + srcwidth;
2456 points[2].Y = y + srcheight;
2458 return GdipDrawImagePointsRect(graphics, image, points, 3, srcx, srcy,
2459 srcwidth, srcheight, srcUnit, NULL, NULL, NULL);
2462 GpStatus WINGDIPAPI GdipDrawImagePointRectI(GpGraphics *graphics, GpImage *image,
2463 INT x, INT y, INT srcx, INT srcy, INT srcwidth, INT srcheight,
2464 GpUnit srcUnit)
2466 return GdipDrawImagePointRect(graphics, image, x, y, srcx, srcy, srcwidth, srcheight, srcUnit);
2469 GpStatus WINGDIPAPI GdipDrawImagePoints(GpGraphics *graphics, GpImage *image,
2470 GDIPCONST GpPointF *dstpoints, INT count)
2472 FIXME("(%p, %p, %p, %d): stub\n", graphics, image, dstpoints, count);
2473 return NotImplemented;
2476 GpStatus WINGDIPAPI GdipDrawImagePointsI(GpGraphics *graphics, GpImage *image,
2477 GDIPCONST GpPoint *dstpoints, INT count)
2479 FIXME("(%p, %p, %p, %d): stub\n", graphics, image, dstpoints, count);
2480 return NotImplemented;
2483 GpStatus WINGDIPAPI GdipDrawImagePointsRect(GpGraphics *graphics, GpImage *image,
2484 GDIPCONST GpPointF *points, INT count, REAL srcx, REAL srcy, REAL srcwidth,
2485 REAL srcheight, GpUnit srcUnit, GDIPCONST GpImageAttributes* imageAttributes,
2486 DrawImageAbort callback, VOID * callbackData)
2488 GpPointF ptf[4];
2489 POINT pti[4];
2490 REAL dx, dy;
2491 GpStatus stat;
2493 TRACE("(%p, %p, %p, %d, %f, %f, %f, %f, %d, %p, %p, %p)\n", graphics, image, points,
2494 count, srcx, srcy, srcwidth, srcheight, srcUnit, imageAttributes, callback,
2495 callbackData);
2497 if (count > 3)
2498 return NotImplemented;
2500 if(!graphics || !image || !points || count != 3)
2501 return InvalidParameter;
2503 TRACE("%s %s %s\n", debugstr_pointf(&points[0]), debugstr_pointf(&points[1]),
2504 debugstr_pointf(&points[2]));
2506 memcpy(ptf, points, 3 * sizeof(GpPointF));
2507 ptf[3].X = ptf[2].X + ptf[1].X - ptf[0].X;
2508 ptf[3].Y = ptf[2].Y + ptf[1].Y - ptf[0].Y;
2509 if (!srcwidth || !srcheight || ptf[3].X == ptf[0].X || ptf[3].Y == ptf[0].Y)
2510 return Ok;
2511 transform_and_round_points(graphics, pti, ptf, 4);
2513 if (image->picture)
2515 if (!graphics->hdc)
2517 FIXME("graphics object has no HDC\n");
2520 /* FIXME: partially implemented (only works for rectangular parallelograms) */
2521 if(srcUnit == UnitInch)
2522 dx = dy = (REAL) INCH_HIMETRIC;
2523 else if(srcUnit == UnitPixel){
2524 dx = ((REAL) INCH_HIMETRIC) /
2525 ((REAL) GetDeviceCaps(graphics->hdc, LOGPIXELSX));
2526 dy = ((REAL) INCH_HIMETRIC) /
2527 ((REAL) GetDeviceCaps(graphics->hdc, LOGPIXELSY));
2529 else
2530 return NotImplemented;
2532 if(IPicture_Render(image->picture, graphics->hdc,
2533 pti[0].x, pti[0].y, pti[1].x - pti[0].x, pti[2].y - pti[0].y,
2534 srcx * dx, srcy * dy,
2535 srcwidth * dx, srcheight * dy,
2536 NULL) != S_OK){
2537 if(callback)
2538 callback(callbackData);
2539 return GenericError;
2542 else if (image->type == ImageTypeBitmap)
2544 GpBitmap* bitmap = (GpBitmap*)image;
2545 int use_software=0;
2547 if (srcUnit == UnitInch)
2548 dx = dy = 96.0; /* FIXME: use the image resolution */
2549 else if (srcUnit == UnitPixel)
2550 dx = dy = 1.0;
2551 else
2552 return NotImplemented;
2554 srcx = srcx * dx;
2555 srcy = srcy * dy;
2556 srcwidth = srcwidth * dx;
2557 srcheight = srcheight * dy;
2559 if (imageAttributes ||
2560 (graphics->image && graphics->image->type == ImageTypeBitmap) ||
2561 !((GpBitmap*)image)->hbitmap ||
2562 ptf[1].Y != ptf[0].Y || ptf[2].X != ptf[0].X ||
2563 ptf[1].X - ptf[0].X != srcwidth || ptf[2].Y - ptf[0].Y != srcheight ||
2564 srcx < 0 || srcy < 0 ||
2565 srcx + srcwidth > bitmap->width || srcy + srcheight > bitmap->height)
2566 use_software = 1;
2568 if (use_software)
2570 RECT dst_area;
2571 GpRect src_area;
2572 int i, x, y, src_stride, dst_stride;
2573 GpMatrix *dst_to_src;
2574 REAL m11, m12, m21, m22, mdx, mdy;
2575 LPBYTE src_data, dst_data;
2576 BitmapData lockeddata;
2577 InterpolationMode interpolation = graphics->interpolation;
2578 GpPointF dst_to_src_points[3] = {{0.0, 0.0}, {1.0, 0.0}, {0.0, 1.0}};
2579 REAL x_dx, x_dy, y_dx, y_dy;
2580 static const GpImageAttributes defaultImageAttributes = {WrapModeClamp, 0, FALSE};
2582 if (!imageAttributes)
2583 imageAttributes = &defaultImageAttributes;
2585 dst_area.left = dst_area.right = pti[0].x;
2586 dst_area.top = dst_area.bottom = pti[0].y;
2587 for (i=1; i<4; i++)
2589 if (dst_area.left > pti[i].x) dst_area.left = pti[i].x;
2590 if (dst_area.right < pti[i].x) dst_area.right = pti[i].x;
2591 if (dst_area.top > pti[i].y) dst_area.top = pti[i].y;
2592 if (dst_area.bottom < pti[i].y) dst_area.bottom = pti[i].y;
2595 m11 = (ptf[1].X - ptf[0].X) / srcwidth;
2596 m21 = (ptf[2].X - ptf[0].X) / srcheight;
2597 mdx = ptf[0].X - m11 * srcx - m21 * srcy;
2598 m12 = (ptf[1].Y - ptf[0].Y) / srcwidth;
2599 m22 = (ptf[2].Y - ptf[0].Y) / srcheight;
2600 mdy = ptf[0].Y - m12 * srcx - m22 * srcy;
2602 stat = GdipCreateMatrix2(m11, m12, m21, m22, mdx, mdy, &dst_to_src);
2603 if (stat != Ok) return stat;
2605 stat = GdipInvertMatrix(dst_to_src);
2606 if (stat != Ok)
2608 GdipDeleteMatrix(dst_to_src);
2609 return stat;
2612 dst_data = GdipAlloc(sizeof(ARGB) * (dst_area.right - dst_area.left) * (dst_area.bottom - dst_area.top));
2613 if (!dst_data)
2615 GdipDeleteMatrix(dst_to_src);
2616 return OutOfMemory;
2619 dst_stride = sizeof(ARGB) * (dst_area.right - dst_area.left);
2621 get_bitmap_sample_size(interpolation, imageAttributes->wrap,
2622 bitmap, srcx, srcy, srcwidth, srcheight, &src_area);
2624 src_data = GdipAlloc(sizeof(ARGB) * src_area.Width * src_area.Height);
2625 if (!src_data)
2627 GdipFree(dst_data);
2628 GdipDeleteMatrix(dst_to_src);
2629 return OutOfMemory;
2631 src_stride = sizeof(ARGB) * src_area.Width;
2633 /* Read the bits we need from the source bitmap into an ARGB buffer. */
2634 lockeddata.Width = src_area.Width;
2635 lockeddata.Height = src_area.Height;
2636 lockeddata.Stride = src_stride;
2637 lockeddata.PixelFormat = PixelFormat32bppARGB;
2638 lockeddata.Scan0 = src_data;
2640 stat = GdipBitmapLockBits(bitmap, &src_area, ImageLockModeRead|ImageLockModeUserInputBuf,
2641 PixelFormat32bppARGB, &lockeddata);
2643 if (stat == Ok)
2644 stat = GdipBitmapUnlockBits(bitmap, &lockeddata);
2646 if (stat != Ok)
2648 if (src_data != dst_data)
2649 GdipFree(src_data);
2650 GdipFree(dst_data);
2651 GdipDeleteMatrix(dst_to_src);
2652 return OutOfMemory;
2655 apply_image_attributes(imageAttributes, src_data,
2656 src_area.Width, src_area.Height,
2657 src_stride, ColorAdjustTypeBitmap);
2659 /* Transform the bits as needed to the destination. */
2660 GdipTransformMatrixPoints(dst_to_src, dst_to_src_points, 3);
2662 x_dx = dst_to_src_points[1].X - dst_to_src_points[0].X;
2663 x_dy = dst_to_src_points[1].Y - dst_to_src_points[0].Y;
2664 y_dx = dst_to_src_points[2].X - dst_to_src_points[0].X;
2665 y_dy = dst_to_src_points[2].Y - dst_to_src_points[0].Y;
2667 for (x=dst_area.left; x<dst_area.right; x++)
2669 for (y=dst_area.top; y<dst_area.bottom; y++)
2671 GpPointF src_pointf;
2672 ARGB *dst_color;
2674 src_pointf.X = dst_to_src_points[0].X + x * x_dx + y * y_dx;
2675 src_pointf.Y = dst_to_src_points[0].Y + x * x_dy + y * y_dy;
2677 dst_color = (ARGB*)(dst_data + dst_stride * (y - dst_area.top) + sizeof(ARGB) * (x - dst_area.left));
2679 if (src_pointf.X >= srcx && src_pointf.X < srcx + srcwidth && src_pointf.Y >= srcy && src_pointf.Y < srcy+srcheight)
2680 *dst_color = resample_bitmap_pixel(&src_area, src_data, bitmap->width, bitmap->height, &src_pointf, imageAttributes, interpolation);
2681 else
2682 *dst_color = 0;
2686 GdipDeleteMatrix(dst_to_src);
2688 GdipFree(src_data);
2690 stat = alpha_blend_pixels(graphics, dst_area.left, dst_area.top,
2691 dst_data, dst_area.right - dst_area.left, dst_area.bottom - dst_area.top, dst_stride);
2693 GdipFree(dst_data);
2695 return stat;
2697 else
2699 HDC hdc;
2700 int temp_hdc=0, temp_bitmap=0;
2701 HBITMAP hbitmap, old_hbm=NULL;
2703 if (!(bitmap->format == PixelFormat16bppRGB555 ||
2704 bitmap->format == PixelFormat24bppRGB ||
2705 bitmap->format == PixelFormat32bppRGB ||
2706 bitmap->format == PixelFormat32bppPARGB))
2708 BITMAPINFOHEADER bih;
2709 BYTE *temp_bits;
2710 PixelFormat dst_format;
2712 /* we can't draw a bitmap of this format directly */
2713 hdc = CreateCompatibleDC(0);
2714 temp_hdc = 1;
2715 temp_bitmap = 1;
2717 bih.biSize = sizeof(BITMAPINFOHEADER);
2718 bih.biWidth = bitmap->width;
2719 bih.biHeight = -bitmap->height;
2720 bih.biPlanes = 1;
2721 bih.biBitCount = 32;
2722 bih.biCompression = BI_RGB;
2723 bih.biSizeImage = 0;
2724 bih.biXPelsPerMeter = 0;
2725 bih.biYPelsPerMeter = 0;
2726 bih.biClrUsed = 0;
2727 bih.biClrImportant = 0;
2729 hbitmap = CreateDIBSection(hdc, (BITMAPINFO*)&bih, DIB_RGB_COLORS,
2730 (void**)&temp_bits, NULL, 0);
2732 if (bitmap->format & (PixelFormatAlpha|PixelFormatPAlpha))
2733 dst_format = PixelFormat32bppPARGB;
2734 else
2735 dst_format = PixelFormat32bppRGB;
2737 convert_pixels(bitmap->width, bitmap->height,
2738 bitmap->width*4, temp_bits, dst_format,
2739 bitmap->stride, bitmap->bits, bitmap->format, bitmap->image.palette_entries);
2741 else
2743 hbitmap = bitmap->hbitmap;
2744 hdc = bitmap->hdc;
2745 temp_hdc = (hdc == 0);
2748 if (temp_hdc)
2750 if (!hdc) hdc = CreateCompatibleDC(0);
2751 old_hbm = SelectObject(hdc, hbitmap);
2754 if (bitmap->format & (PixelFormatAlpha|PixelFormatPAlpha))
2756 BLENDFUNCTION bf;
2758 bf.BlendOp = AC_SRC_OVER;
2759 bf.BlendFlags = 0;
2760 bf.SourceConstantAlpha = 255;
2761 bf.AlphaFormat = AC_SRC_ALPHA;
2763 GdiAlphaBlend(graphics->hdc, pti[0].x, pti[0].y, pti[1].x-pti[0].x, pti[2].y-pti[0].y,
2764 hdc, srcx, srcy, srcwidth, srcheight, bf);
2766 else
2768 StretchBlt(graphics->hdc, pti[0].x, pti[0].y, pti[1].x-pti[0].x, pti[2].y-pti[0].y,
2769 hdc, srcx, srcy, srcwidth, srcheight, SRCCOPY);
2772 if (temp_hdc)
2774 SelectObject(hdc, old_hbm);
2775 DeleteDC(hdc);
2778 if (temp_bitmap)
2779 DeleteObject(hbitmap);
2782 else
2784 ERR("GpImage with no IPicture or HBITMAP?!\n");
2785 return NotImplemented;
2788 return Ok;
2791 GpStatus WINGDIPAPI GdipDrawImagePointsRectI(GpGraphics *graphics, GpImage *image,
2792 GDIPCONST GpPoint *points, INT count, INT srcx, INT srcy, INT srcwidth,
2793 INT srcheight, GpUnit srcUnit, GDIPCONST GpImageAttributes* imageAttributes,
2794 DrawImageAbort callback, VOID * callbackData)
2796 GpPointF pointsF[3];
2797 INT i;
2799 TRACE("(%p, %p, %p, %d, %d, %d, %d, %d, %d, %p, %p, %p)\n", graphics, image, points, count,
2800 srcx, srcy, srcwidth, srcheight, srcUnit, imageAttributes, callback,
2801 callbackData);
2803 if(!points || count!=3)
2804 return InvalidParameter;
2806 for(i = 0; i < count; i++){
2807 pointsF[i].X = (REAL)points[i].X;
2808 pointsF[i].Y = (REAL)points[i].Y;
2811 return GdipDrawImagePointsRect(graphics, image, pointsF, count, (REAL)srcx, (REAL)srcy,
2812 (REAL)srcwidth, (REAL)srcheight, srcUnit, imageAttributes,
2813 callback, callbackData);
2816 GpStatus WINGDIPAPI GdipDrawImageRectRect(GpGraphics *graphics, GpImage *image,
2817 REAL dstx, REAL dsty, REAL dstwidth, REAL dstheight, REAL srcx, REAL srcy,
2818 REAL srcwidth, REAL srcheight, GpUnit srcUnit,
2819 GDIPCONST GpImageAttributes* imageattr, DrawImageAbort callback,
2820 VOID * callbackData)
2822 GpPointF points[3];
2824 TRACE("(%p, %p, %.2f, %.2f, %.2f, %.2f, %.2f, %.2f, %.2f, %.2f, %d, %p, %p, %p)\n",
2825 graphics, image, dstx, dsty, dstwidth, dstheight, srcx, srcy,
2826 srcwidth, srcheight, srcUnit, imageattr, callback, callbackData);
2828 points[0].X = dstx;
2829 points[0].Y = dsty;
2830 points[1].X = dstx + dstwidth;
2831 points[1].Y = dsty;
2832 points[2].X = dstx;
2833 points[2].Y = dsty + dstheight;
2835 return GdipDrawImagePointsRect(graphics, image, points, 3, srcx, srcy,
2836 srcwidth, srcheight, srcUnit, imageattr, callback, callbackData);
2839 GpStatus WINGDIPAPI GdipDrawImageRectRectI(GpGraphics *graphics, GpImage *image,
2840 INT dstx, INT dsty, INT dstwidth, INT dstheight, INT srcx, INT srcy,
2841 INT srcwidth, INT srcheight, GpUnit srcUnit,
2842 GDIPCONST GpImageAttributes* imageAttributes, DrawImageAbort callback,
2843 VOID * callbackData)
2845 GpPointF points[3];
2847 TRACE("(%p, %p, %d, %d, %d, %d, %d, %d, %d, %d, %d, %p, %p, %p)\n",
2848 graphics, image, dstx, dsty, dstwidth, dstheight, srcx, srcy,
2849 srcwidth, srcheight, srcUnit, imageAttributes, callback, callbackData);
2851 points[0].X = dstx;
2852 points[0].Y = dsty;
2853 points[1].X = dstx + dstwidth;
2854 points[1].Y = dsty;
2855 points[2].X = dstx;
2856 points[2].Y = dsty + dstheight;
2858 return GdipDrawImagePointsRect(graphics, image, points, 3, srcx, srcy,
2859 srcwidth, srcheight, srcUnit, imageAttributes, callback, callbackData);
2862 GpStatus WINGDIPAPI GdipDrawImageRect(GpGraphics *graphics, GpImage *image,
2863 REAL x, REAL y, REAL width, REAL height)
2865 RectF bounds;
2866 GpUnit unit;
2867 GpStatus ret;
2869 TRACE("(%p, %p, %.2f, %.2f, %.2f, %.2f)\n", graphics, image, x, y, width, height);
2871 if(!graphics || !image)
2872 return InvalidParameter;
2874 ret = GdipGetImageBounds(image, &bounds, &unit);
2875 if(ret != Ok)
2876 return ret;
2878 return GdipDrawImageRectRect(graphics, image, x, y, width, height,
2879 bounds.X, bounds.Y, bounds.Width, bounds.Height,
2880 unit, NULL, NULL, NULL);
2883 GpStatus WINGDIPAPI GdipDrawImageRectI(GpGraphics *graphics, GpImage *image,
2884 INT x, INT y, INT width, INT height)
2886 TRACE("(%p, %p, %d, %d, %d, %d)\n", graphics, image, x, y, width, height);
2888 return GdipDrawImageRect(graphics, image, (REAL)x, (REAL)y, (REAL)width, (REAL)height);
2891 GpStatus WINGDIPAPI GdipDrawLine(GpGraphics *graphics, GpPen *pen, REAL x1,
2892 REAL y1, REAL x2, REAL y2)
2894 INT save_state;
2895 GpPointF pt[2];
2896 GpStatus retval;
2898 TRACE("(%p, %p, %.2f, %.2f, %.2f, %.2f)\n", graphics, pen, x1, y1, x2, y2);
2900 if(!pen || !graphics)
2901 return InvalidParameter;
2903 if(graphics->busy)
2904 return ObjectBusy;
2906 if (!graphics->hdc)
2908 FIXME("graphics object has no HDC\n");
2909 return Ok;
2912 pt[0].X = x1;
2913 pt[0].Y = y1;
2914 pt[1].X = x2;
2915 pt[1].Y = y2;
2917 save_state = prepare_dc(graphics, pen);
2919 retval = draw_polyline(graphics, pen, pt, 2, TRUE);
2921 restore_dc(graphics, save_state);
2923 return retval;
2926 GpStatus WINGDIPAPI GdipDrawLineI(GpGraphics *graphics, GpPen *pen, INT x1,
2927 INT y1, INT x2, INT y2)
2929 INT save_state;
2930 GpPointF pt[2];
2931 GpStatus retval;
2933 TRACE("(%p, %p, %d, %d, %d, %d)\n", graphics, pen, x1, y1, x2, y2);
2935 if(!pen || !graphics)
2936 return InvalidParameter;
2938 if(graphics->busy)
2939 return ObjectBusy;
2941 if (!graphics->hdc)
2943 FIXME("graphics object has no HDC\n");
2944 return Ok;
2947 pt[0].X = (REAL)x1;
2948 pt[0].Y = (REAL)y1;
2949 pt[1].X = (REAL)x2;
2950 pt[1].Y = (REAL)y2;
2952 save_state = prepare_dc(graphics, pen);
2954 retval = draw_polyline(graphics, pen, pt, 2, TRUE);
2956 restore_dc(graphics, save_state);
2958 return retval;
2961 GpStatus WINGDIPAPI GdipDrawLines(GpGraphics *graphics, GpPen *pen, GDIPCONST
2962 GpPointF *points, INT count)
2964 INT save_state;
2965 GpStatus retval;
2967 TRACE("(%p, %p, %p, %d)\n", graphics, pen, points, count);
2969 if(!pen || !graphics || (count < 2))
2970 return InvalidParameter;
2972 if(graphics->busy)
2973 return ObjectBusy;
2975 if (!graphics->hdc)
2977 FIXME("graphics object has no HDC\n");
2978 return Ok;
2981 save_state = prepare_dc(graphics, pen);
2983 retval = draw_polyline(graphics, pen, points, count, TRUE);
2985 restore_dc(graphics, save_state);
2987 return retval;
2990 GpStatus WINGDIPAPI GdipDrawLinesI(GpGraphics *graphics, GpPen *pen, GDIPCONST
2991 GpPoint *points, INT count)
2993 INT save_state;
2994 GpStatus retval;
2995 GpPointF *ptf = NULL;
2996 int i;
2998 TRACE("(%p, %p, %p, %d)\n", graphics, pen, points, count);
3000 if(!pen || !graphics || (count < 2))
3001 return InvalidParameter;
3003 if(graphics->busy)
3004 return ObjectBusy;
3006 if (!graphics->hdc)
3008 FIXME("graphics object has no HDC\n");
3009 return Ok;
3012 ptf = GdipAlloc(count * sizeof(GpPointF));
3013 if(!ptf) return OutOfMemory;
3015 for(i = 0; i < count; i ++){
3016 ptf[i].X = (REAL) points[i].X;
3017 ptf[i].Y = (REAL) points[i].Y;
3020 save_state = prepare_dc(graphics, pen);
3022 retval = draw_polyline(graphics, pen, ptf, count, TRUE);
3024 restore_dc(graphics, save_state);
3026 GdipFree(ptf);
3027 return retval;
3030 GpStatus WINGDIPAPI GdipDrawPath(GpGraphics *graphics, GpPen *pen, GpPath *path)
3032 INT save_state;
3033 GpStatus retval;
3035 TRACE("(%p, %p, %p)\n", graphics, pen, path);
3037 if(!pen || !graphics)
3038 return InvalidParameter;
3040 if(graphics->busy)
3041 return ObjectBusy;
3043 if (!graphics->hdc)
3045 FIXME("graphics object has no HDC\n");
3046 return Ok;
3049 save_state = prepare_dc(graphics, pen);
3051 retval = draw_poly(graphics, pen, path->pathdata.Points,
3052 path->pathdata.Types, path->pathdata.Count, TRUE);
3054 restore_dc(graphics, save_state);
3056 return retval;
3059 GpStatus WINGDIPAPI GdipDrawPie(GpGraphics *graphics, GpPen *pen, REAL x,
3060 REAL y, REAL width, REAL height, REAL startAngle, REAL sweepAngle)
3062 INT save_state;
3064 TRACE("(%p, %p, %.2f, %.2f, %.2f, %.2f, %.2f, %.2f)\n", graphics, pen, x, y,
3065 width, height, startAngle, sweepAngle);
3067 if(!graphics || !pen)
3068 return InvalidParameter;
3070 if(graphics->busy)
3071 return ObjectBusy;
3073 if (!graphics->hdc)
3075 FIXME("graphics object has no HDC\n");
3076 return Ok;
3079 save_state = prepare_dc(graphics, pen);
3080 SelectObject(graphics->hdc, GetStockObject(NULL_BRUSH));
3082 draw_pie(graphics, x, y, width, height, startAngle, sweepAngle);
3084 restore_dc(graphics, save_state);
3086 return Ok;
3089 GpStatus WINGDIPAPI GdipDrawPieI(GpGraphics *graphics, GpPen *pen, INT x,
3090 INT y, INT width, INT height, REAL startAngle, REAL sweepAngle)
3092 TRACE("(%p, %p, %d, %d, %d, %d, %.2f, %.2f)\n", graphics, pen, x, y,
3093 width, height, startAngle, sweepAngle);
3095 return GdipDrawPie(graphics,pen,(REAL)x,(REAL)y,(REAL)width,(REAL)height,startAngle,sweepAngle);
3098 GpStatus WINGDIPAPI GdipDrawRectangle(GpGraphics *graphics, GpPen *pen, REAL x,
3099 REAL y, REAL width, REAL height)
3101 INT save_state;
3102 GpPointF ptf[4];
3103 POINT pti[4];
3105 TRACE("(%p, %p, %.2f, %.2f, %.2f, %.2f)\n", graphics, pen, x, y, width, height);
3107 if(!pen || !graphics)
3108 return InvalidParameter;
3110 if(graphics->busy)
3111 return ObjectBusy;
3113 if (!graphics->hdc)
3115 FIXME("graphics object has no HDC\n");
3116 return Ok;
3119 ptf[0].X = x;
3120 ptf[0].Y = y;
3121 ptf[1].X = x + width;
3122 ptf[1].Y = y;
3123 ptf[2].X = x + width;
3124 ptf[2].Y = y + height;
3125 ptf[3].X = x;
3126 ptf[3].Y = y + height;
3128 save_state = prepare_dc(graphics, pen);
3129 SelectObject(graphics->hdc, GetStockObject(NULL_BRUSH));
3131 transform_and_round_points(graphics, pti, ptf, 4);
3132 Polygon(graphics->hdc, pti, 4);
3134 restore_dc(graphics, save_state);
3136 return Ok;
3139 GpStatus WINGDIPAPI GdipDrawRectangleI(GpGraphics *graphics, GpPen *pen, INT x,
3140 INT y, INT width, INT height)
3142 TRACE("(%p, %p, %d, %d, %d, %d)\n", graphics, pen, x, y, width, height);
3144 return GdipDrawRectangle(graphics,pen,(REAL)x,(REAL)y,(REAL)width,(REAL)height);
3147 GpStatus WINGDIPAPI GdipDrawRectangles(GpGraphics *graphics, GpPen *pen,
3148 GDIPCONST GpRectF* rects, INT count)
3150 GpPointF *ptf;
3151 POINT *pti;
3152 INT save_state, i;
3154 TRACE("(%p, %p, %p, %d)\n", graphics, pen, rects, count);
3156 if(!graphics || !pen || !rects || count < 1)
3157 return InvalidParameter;
3159 if(graphics->busy)
3160 return ObjectBusy;
3162 if (!graphics->hdc)
3164 FIXME("graphics object has no HDC\n");
3165 return Ok;
3168 ptf = GdipAlloc(4 * count * sizeof(GpPointF));
3169 pti = GdipAlloc(4 * count * sizeof(POINT));
3171 if(!ptf || !pti){
3172 GdipFree(ptf);
3173 GdipFree(pti);
3174 return OutOfMemory;
3177 for(i = 0; i < count; i++){
3178 ptf[4 * i + 3].X = ptf[4 * i].X = rects[i].X;
3179 ptf[4 * i + 1].Y = ptf[4 * i].Y = rects[i].Y;
3180 ptf[4 * i + 2].X = ptf[4 * i + 1].X = rects[i].X + rects[i].Width;
3181 ptf[4 * i + 3].Y = ptf[4 * i + 2].Y = rects[i].Y + rects[i].Height;
3184 save_state = prepare_dc(graphics, pen);
3185 SelectObject(graphics->hdc, GetStockObject(NULL_BRUSH));
3187 transform_and_round_points(graphics, pti, ptf, 4 * count);
3189 for(i = 0; i < count; i++)
3190 Polygon(graphics->hdc, &pti[4 * i], 4);
3192 restore_dc(graphics, save_state);
3194 GdipFree(ptf);
3195 GdipFree(pti);
3197 return Ok;
3200 GpStatus WINGDIPAPI GdipDrawRectanglesI(GpGraphics *graphics, GpPen *pen,
3201 GDIPCONST GpRect* rects, INT count)
3203 GpRectF *rectsF;
3204 GpStatus ret;
3205 INT i;
3207 TRACE("(%p, %p, %p, %d)\n", graphics, pen, rects, count);
3209 if(!rects || count<=0)
3210 return InvalidParameter;
3212 rectsF = GdipAlloc(sizeof(GpRectF) * count);
3213 if(!rectsF)
3214 return OutOfMemory;
3216 for(i = 0;i < count;i++){
3217 rectsF[i].X = (REAL)rects[i].X;
3218 rectsF[i].Y = (REAL)rects[i].Y;
3219 rectsF[i].Width = (REAL)rects[i].Width;
3220 rectsF[i].Height = (REAL)rects[i].Height;
3223 ret = GdipDrawRectangles(graphics, pen, rectsF, count);
3224 GdipFree(rectsF);
3226 return ret;
3229 GpStatus WINGDIPAPI GdipFillClosedCurve2(GpGraphics *graphics, GpBrush *brush,
3230 GDIPCONST GpPointF *points, INT count, REAL tension, GpFillMode fill)
3232 GpPath *path;
3233 GpStatus stat;
3235 TRACE("(%p, %p, %p, %d, %.2f, %d)\n", graphics, brush, points,
3236 count, tension, fill);
3238 if(!graphics || !brush || !points)
3239 return InvalidParameter;
3241 if(graphics->busy)
3242 return ObjectBusy;
3244 if(count == 1) /* Do nothing */
3245 return Ok;
3247 stat = GdipCreatePath(fill, &path);
3248 if(stat != Ok)
3249 return stat;
3251 stat = GdipAddPathClosedCurve2(path, points, count, tension);
3252 if(stat != Ok){
3253 GdipDeletePath(path);
3254 return stat;
3257 stat = GdipFillPath(graphics, brush, path);
3258 if(stat != Ok){
3259 GdipDeletePath(path);
3260 return stat;
3263 GdipDeletePath(path);
3265 return Ok;
3268 GpStatus WINGDIPAPI GdipFillClosedCurve2I(GpGraphics *graphics, GpBrush *brush,
3269 GDIPCONST GpPoint *points, INT count, REAL tension, GpFillMode fill)
3271 GpPointF *ptf;
3272 GpStatus stat;
3273 INT i;
3275 TRACE("(%p, %p, %p, %d, %.2f, %d)\n", graphics, brush, points,
3276 count, tension, fill);
3278 if(!points || count == 0)
3279 return InvalidParameter;
3281 if(count == 1) /* Do nothing */
3282 return Ok;
3284 ptf = GdipAlloc(sizeof(GpPointF)*count);
3285 if(!ptf)
3286 return OutOfMemory;
3288 for(i = 0;i < count;i++){
3289 ptf[i].X = (REAL)points[i].X;
3290 ptf[i].Y = (REAL)points[i].Y;
3293 stat = GdipFillClosedCurve2(graphics, brush, ptf, count, tension, fill);
3295 GdipFree(ptf);
3297 return stat;
3300 GpStatus WINGDIPAPI GdipFillClosedCurve(GpGraphics *graphics, GpBrush *brush,
3301 GDIPCONST GpPointF *points, INT count)
3303 TRACE("(%p, %p, %p, %d)\n", graphics, brush, points, count);
3304 return GdipFillClosedCurve2(graphics, brush, points, count,
3305 0.5f, FillModeAlternate);
3308 GpStatus WINGDIPAPI GdipFillClosedCurveI(GpGraphics *graphics, GpBrush *brush,
3309 GDIPCONST GpPoint *points, INT count)
3311 TRACE("(%p, %p, %p, %d)\n", graphics, brush, points, count);
3312 return GdipFillClosedCurve2I(graphics, brush, points, count,
3313 0.5f, FillModeAlternate);
3316 GpStatus WINGDIPAPI GdipFillEllipse(GpGraphics *graphics, GpBrush *brush, REAL x,
3317 REAL y, REAL width, REAL height)
3319 GpStatus stat;
3320 GpPath *path;
3322 TRACE("(%p, %p, %.2f, %.2f, %.2f, %.2f)\n", graphics, brush, x, y, width, height);
3324 if(!graphics || !brush)
3325 return InvalidParameter;
3327 if(graphics->busy)
3328 return ObjectBusy;
3330 stat = GdipCreatePath(FillModeAlternate, &path);
3332 if (stat == Ok)
3334 stat = GdipAddPathEllipse(path, x, y, width, height);
3336 if (stat == Ok)
3337 stat = GdipFillPath(graphics, brush, path);
3339 GdipDeletePath(path);
3342 return stat;
3345 GpStatus WINGDIPAPI GdipFillEllipseI(GpGraphics *graphics, GpBrush *brush, INT x,
3346 INT y, INT width, INT height)
3348 TRACE("(%p, %p, %d, %d, %d, %d)\n", graphics, brush, x, y, width, height);
3350 return GdipFillEllipse(graphics,brush,(REAL)x,(REAL)y,(REAL)width,(REAL)height);
3353 static GpStatus GDI32_GdipFillPath(GpGraphics *graphics, GpBrush *brush, GpPath *path)
3355 INT save_state;
3356 GpStatus retval;
3358 if(!graphics->hdc || !brush_can_fill_path(brush))
3359 return NotImplemented;
3361 save_state = SaveDC(graphics->hdc);
3362 EndPath(graphics->hdc);
3363 SetPolyFillMode(graphics->hdc, (path->fill == FillModeAlternate ? ALTERNATE
3364 : WINDING));
3366 BeginPath(graphics->hdc);
3367 retval = draw_poly(graphics, NULL, path->pathdata.Points,
3368 path->pathdata.Types, path->pathdata.Count, FALSE);
3370 if(retval != Ok)
3371 goto end;
3373 EndPath(graphics->hdc);
3374 brush_fill_path(graphics, brush);
3376 retval = Ok;
3378 end:
3379 RestoreDC(graphics->hdc, save_state);
3381 return retval;
3384 static GpStatus SOFTWARE_GdipFillPath(GpGraphics *graphics, GpBrush *brush, GpPath *path)
3386 GpStatus stat;
3387 GpRegion *rgn;
3389 if (!brush_can_fill_pixels(brush))
3390 return NotImplemented;
3392 /* FIXME: This could probably be done more efficiently without regions. */
3394 stat = GdipCreateRegionPath(path, &rgn);
3396 if (stat == Ok)
3398 stat = GdipFillRegion(graphics, brush, rgn);
3400 GdipDeleteRegion(rgn);
3403 return stat;
3406 GpStatus WINGDIPAPI GdipFillPath(GpGraphics *graphics, GpBrush *brush, GpPath *path)
3408 GpStatus stat = NotImplemented;
3410 TRACE("(%p, %p, %p)\n", graphics, brush, path);
3412 if(!brush || !graphics || !path)
3413 return InvalidParameter;
3415 if(graphics->busy)
3416 return ObjectBusy;
3418 if (!graphics->image)
3419 stat = GDI32_GdipFillPath(graphics, brush, path);
3421 if (stat == NotImplemented)
3422 stat = SOFTWARE_GdipFillPath(graphics, brush, path);
3424 if (stat == NotImplemented)
3426 FIXME("Not implemented for brushtype %i\n", brush->bt);
3427 stat = Ok;
3430 return stat;
3433 GpStatus WINGDIPAPI GdipFillPie(GpGraphics *graphics, GpBrush *brush, REAL x,
3434 REAL y, REAL width, REAL height, REAL startAngle, REAL sweepAngle)
3436 GpStatus stat;
3437 GpPath *path;
3439 TRACE("(%p, %p, %.2f, %.2f, %.2f, %.2f, %.2f, %.2f)\n",
3440 graphics, brush, x, y, width, height, startAngle, sweepAngle);
3442 if(!graphics || !brush)
3443 return InvalidParameter;
3445 if(graphics->busy)
3446 return ObjectBusy;
3448 stat = GdipCreatePath(FillModeAlternate, &path);
3450 if (stat == Ok)
3452 stat = GdipAddPathPie(path, x, y, width, height, startAngle, sweepAngle);
3454 if (stat == Ok)
3455 stat = GdipFillPath(graphics, brush, path);
3457 GdipDeletePath(path);
3460 return stat;
3463 GpStatus WINGDIPAPI GdipFillPieI(GpGraphics *graphics, GpBrush *brush, INT x,
3464 INT y, INT width, INT height, REAL startAngle, REAL sweepAngle)
3466 TRACE("(%p, %p, %d, %d, %d, %d, %.2f, %.2f)\n",
3467 graphics, brush, x, y, width, height, startAngle, sweepAngle);
3469 return GdipFillPie(graphics,brush,(REAL)x,(REAL)y,(REAL)width,(REAL)height,startAngle,sweepAngle);
3472 GpStatus WINGDIPAPI GdipFillPolygon(GpGraphics *graphics, GpBrush *brush,
3473 GDIPCONST GpPointF *points, INT count, GpFillMode fillMode)
3475 GpStatus stat;
3476 GpPath *path;
3478 TRACE("(%p, %p, %p, %d, %d)\n", graphics, brush, points, count, fillMode);
3480 if(!graphics || !brush || !points || !count)
3481 return InvalidParameter;
3483 if(graphics->busy)
3484 return ObjectBusy;
3486 stat = GdipCreatePath(fillMode, &path);
3488 if (stat == Ok)
3490 stat = GdipAddPathPolygon(path, points, count);
3492 if (stat == Ok)
3493 stat = GdipFillPath(graphics, brush, path);
3495 GdipDeletePath(path);
3498 return stat;
3501 GpStatus WINGDIPAPI GdipFillPolygonI(GpGraphics *graphics, GpBrush *brush,
3502 GDIPCONST GpPoint *points, INT count, GpFillMode fillMode)
3504 GpStatus stat;
3505 GpPath *path;
3507 TRACE("(%p, %p, %p, %d, %d)\n", graphics, brush, points, count, fillMode);
3509 if(!graphics || !brush || !points || !count)
3510 return InvalidParameter;
3512 if(graphics->busy)
3513 return ObjectBusy;
3515 stat = GdipCreatePath(fillMode, &path);
3517 if (stat == Ok)
3519 stat = GdipAddPathPolygonI(path, points, count);
3521 if (stat == Ok)
3522 stat = GdipFillPath(graphics, brush, path);
3524 GdipDeletePath(path);
3527 return stat;
3530 GpStatus WINGDIPAPI GdipFillPolygon2(GpGraphics *graphics, GpBrush *brush,
3531 GDIPCONST GpPointF *points, INT count)
3533 TRACE("(%p, %p, %p, %d)\n", graphics, brush, points, count);
3535 return GdipFillPolygon(graphics, brush, points, count, FillModeAlternate);
3538 GpStatus WINGDIPAPI GdipFillPolygon2I(GpGraphics *graphics, GpBrush *brush,
3539 GDIPCONST GpPoint *points, INT count)
3541 TRACE("(%p, %p, %p, %d)\n", graphics, brush, points, count);
3543 return GdipFillPolygonI(graphics, brush, points, count, FillModeAlternate);
3546 GpStatus WINGDIPAPI GdipFillRectangle(GpGraphics *graphics, GpBrush *brush,
3547 REAL x, REAL y, REAL width, REAL height)
3549 GpStatus stat;
3550 GpPath *path;
3552 TRACE("(%p, %p, %.2f, %.2f, %.2f, %.2f)\n", graphics, brush, x, y, width, height);
3554 if(!graphics || !brush)
3555 return InvalidParameter;
3557 if(graphics->busy)
3558 return ObjectBusy;
3560 stat = GdipCreatePath(FillModeAlternate, &path);
3562 if (stat == Ok)
3564 stat = GdipAddPathRectangle(path, x, y, width, height);
3566 if (stat == Ok)
3567 stat = GdipFillPath(graphics, brush, path);
3569 GdipDeletePath(path);
3572 return stat;
3575 GpStatus WINGDIPAPI GdipFillRectangleI(GpGraphics *graphics, GpBrush *brush,
3576 INT x, INT y, INT width, INT height)
3578 TRACE("(%p, %p, %d, %d, %d, %d)\n", graphics, brush, x, y, width, height);
3580 return GdipFillRectangle(graphics, brush, x, y, width, height);
3583 GpStatus WINGDIPAPI GdipFillRectangles(GpGraphics *graphics, GpBrush *brush, GDIPCONST GpRectF *rects,
3584 INT count)
3586 GpStatus ret;
3587 INT i;
3589 TRACE("(%p, %p, %p, %d)\n", graphics, brush, rects, count);
3591 if(!rects)
3592 return InvalidParameter;
3594 for(i = 0; i < count; i++){
3595 ret = GdipFillRectangle(graphics, brush, rects[i].X, rects[i].Y, rects[i].Width, rects[i].Height);
3596 if(ret != Ok) return ret;
3599 return Ok;
3602 GpStatus WINGDIPAPI GdipFillRectanglesI(GpGraphics *graphics, GpBrush *brush, GDIPCONST GpRect *rects,
3603 INT count)
3605 GpRectF *rectsF;
3606 GpStatus ret;
3607 INT i;
3609 TRACE("(%p, %p, %p, %d)\n", graphics, brush, rects, count);
3611 if(!rects || count <= 0)
3612 return InvalidParameter;
3614 rectsF = GdipAlloc(sizeof(GpRectF)*count);
3615 if(!rectsF)
3616 return OutOfMemory;
3618 for(i = 0; i < count; i++){
3619 rectsF[i].X = (REAL)rects[i].X;
3620 rectsF[i].Y = (REAL)rects[i].Y;
3621 rectsF[i].X = (REAL)rects[i].Width;
3622 rectsF[i].Height = (REAL)rects[i].Height;
3625 ret = GdipFillRectangles(graphics,brush,rectsF,count);
3626 GdipFree(rectsF);
3628 return ret;
3631 static GpStatus GDI32_GdipFillRegion(GpGraphics* graphics, GpBrush* brush,
3632 GpRegion* region)
3634 INT save_state;
3635 GpStatus status;
3636 HRGN hrgn;
3637 RECT rc;
3639 if(!graphics->hdc || !brush_can_fill_path(brush))
3640 return NotImplemented;
3642 status = GdipGetRegionHRgn(region, graphics, &hrgn);
3643 if(status != Ok)
3644 return status;
3646 save_state = SaveDC(graphics->hdc);
3647 EndPath(graphics->hdc);
3649 ExtSelectClipRgn(graphics->hdc, hrgn, RGN_AND);
3651 if (GetClipBox(graphics->hdc, &rc) != NULLREGION)
3653 BeginPath(graphics->hdc);
3654 Rectangle(graphics->hdc, rc.left, rc.top, rc.right, rc.bottom);
3655 EndPath(graphics->hdc);
3657 brush_fill_path(graphics, brush);
3660 RestoreDC(graphics->hdc, save_state);
3662 DeleteObject(hrgn);
3664 return Ok;
3667 static GpStatus SOFTWARE_GdipFillRegion(GpGraphics *graphics, GpBrush *brush,
3668 GpRegion* region)
3670 GpStatus stat;
3671 GpRegion *temp_region;
3672 GpMatrix *world_to_device, *identity;
3673 GpRectF graphics_bounds;
3674 UINT scans_count, i;
3675 INT dummy;
3676 GpRect *scans;
3677 DWORD *pixel_data;
3679 if (!brush_can_fill_pixels(brush))
3680 return NotImplemented;
3682 stat = get_graphics_bounds(graphics, &graphics_bounds);
3684 if (stat == Ok)
3685 stat = GdipCloneRegion(region, &temp_region);
3687 if (stat == Ok)
3689 stat = get_graphics_transform(graphics, CoordinateSpaceDevice,
3690 CoordinateSpaceWorld, &world_to_device);
3692 if (stat == Ok)
3694 stat = GdipTransformRegion(temp_region, world_to_device);
3696 GdipDeleteMatrix(world_to_device);
3699 if (stat == Ok)
3700 stat = GdipCombineRegionRect(temp_region, &graphics_bounds, CombineModeIntersect);
3702 if (stat == Ok)
3703 stat = GdipCreateMatrix(&identity);
3705 if (stat == Ok)
3707 stat = GdipGetRegionScansCount(temp_region, &scans_count, identity);
3709 if (stat == Ok && scans_count != 0)
3711 scans = GdipAlloc(sizeof(*scans) * scans_count);
3712 if (!scans)
3713 stat = OutOfMemory;
3715 if (stat == Ok)
3717 stat = GdipGetRegionScansI(temp_region, scans, &dummy, identity);
3719 if (stat != Ok)
3720 GdipFree(scans);
3724 GdipDeleteMatrix(identity);
3727 GdipDeleteRegion(temp_region);
3730 if (stat == Ok && scans_count == 0)
3731 return Ok;
3733 if (stat == Ok)
3735 if (!graphics->image)
3737 /* If we have to go through gdi32, use as few alpha blends as possible. */
3738 INT min_x, min_y, max_x, max_y;
3739 UINT data_width, data_height;
3741 min_x = scans[0].X;
3742 min_y = scans[0].Y;
3743 max_x = scans[0].X+scans[0].Width;
3744 max_y = scans[0].Y+scans[0].Height;
3746 for (i=1; i<scans_count; i++)
3748 min_x = min(min_x, scans[i].X);
3749 min_y = min(min_y, scans[i].Y);
3750 max_x = max(max_x, scans[i].X+scans[i].Width);
3751 max_y = max(max_y, scans[i].Y+scans[i].Height);
3754 data_width = max_x - min_x;
3755 data_height = max_y - min_y;
3757 pixel_data = GdipAlloc(sizeof(*pixel_data) * data_width * data_height);
3758 if (!pixel_data)
3759 stat = OutOfMemory;
3761 if (stat == Ok)
3763 for (i=0; i<scans_count; i++)
3765 stat = brush_fill_pixels(graphics, brush,
3766 pixel_data + (scans[i].X - min_x) + (scans[i].Y - min_y) * data_width,
3767 &scans[i], data_width);
3769 if (stat != Ok)
3770 break;
3773 if (stat == Ok)
3775 stat = alpha_blend_pixels(graphics, min_x, min_y,
3776 (BYTE*)pixel_data, data_width, data_height,
3777 data_width * 4);
3780 GdipFree(pixel_data);
3783 else
3785 UINT max_size=0;
3787 for (i=0; i<scans_count; i++)
3789 UINT size = scans[i].Width * scans[i].Height;
3791 if (size > max_size)
3792 max_size = size;
3795 pixel_data = GdipAlloc(sizeof(*pixel_data) * max_size);
3796 if (!pixel_data)
3797 stat = OutOfMemory;
3799 if (stat == Ok)
3801 for (i=0; i<scans_count; i++)
3803 stat = brush_fill_pixels(graphics, brush, pixel_data, &scans[i],
3804 scans[i].Width);
3806 if (stat == Ok)
3808 stat = alpha_blend_pixels(graphics, scans[i].X, scans[i].Y,
3809 (BYTE*)pixel_data, scans[i].Width, scans[i].Height,
3810 scans[i].Width * 4);
3813 if (stat != Ok)
3814 break;
3817 GdipFree(pixel_data);
3821 GdipFree(scans);
3824 return stat;
3827 /*****************************************************************************
3828 * GdipFillRegion [GDIPLUS.@]
3830 GpStatus WINGDIPAPI GdipFillRegion(GpGraphics* graphics, GpBrush* brush,
3831 GpRegion* region)
3833 GpStatus stat = NotImplemented;
3835 TRACE("(%p, %p, %p)\n", graphics, brush, region);
3837 if (!(graphics && brush && region))
3838 return InvalidParameter;
3840 if(graphics->busy)
3841 return ObjectBusy;
3843 if (!graphics->image)
3844 stat = GDI32_GdipFillRegion(graphics, brush, region);
3846 if (stat == NotImplemented)
3847 stat = SOFTWARE_GdipFillRegion(graphics, brush, region);
3849 if (stat == NotImplemented)
3851 FIXME("not implemented for brushtype %i\n", brush->bt);
3852 stat = Ok;
3855 return stat;
3858 GpStatus WINGDIPAPI GdipFlush(GpGraphics *graphics, GpFlushIntention intention)
3860 TRACE("(%p,%u)\n", graphics, intention);
3862 if(!graphics)
3863 return InvalidParameter;
3865 if(graphics->busy)
3866 return ObjectBusy;
3868 /* We have no internal operation queue, so there's no need to clear it. */
3870 if (graphics->hdc)
3871 GdiFlush();
3873 return Ok;
3876 /*****************************************************************************
3877 * GdipGetClipBounds [GDIPLUS.@]
3879 GpStatus WINGDIPAPI GdipGetClipBounds(GpGraphics *graphics, GpRectF *rect)
3881 TRACE("(%p, %p)\n", graphics, rect);
3883 if(!graphics)
3884 return InvalidParameter;
3886 if(graphics->busy)
3887 return ObjectBusy;
3889 return GdipGetRegionBounds(graphics->clip, graphics, rect);
3892 /*****************************************************************************
3893 * GdipGetClipBoundsI [GDIPLUS.@]
3895 GpStatus WINGDIPAPI GdipGetClipBoundsI(GpGraphics *graphics, GpRect *rect)
3897 TRACE("(%p, %p)\n", graphics, rect);
3899 if(!graphics)
3900 return InvalidParameter;
3902 if(graphics->busy)
3903 return ObjectBusy;
3905 return GdipGetRegionBoundsI(graphics->clip, graphics, rect);
3908 /* FIXME: Compositing mode is not used anywhere except the getter/setter. */
3909 GpStatus WINGDIPAPI GdipGetCompositingMode(GpGraphics *graphics,
3910 CompositingMode *mode)
3912 TRACE("(%p, %p)\n", graphics, mode);
3914 if(!graphics || !mode)
3915 return InvalidParameter;
3917 if(graphics->busy)
3918 return ObjectBusy;
3920 *mode = graphics->compmode;
3922 return Ok;
3925 /* FIXME: Compositing quality is not used anywhere except the getter/setter. */
3926 GpStatus WINGDIPAPI GdipGetCompositingQuality(GpGraphics *graphics,
3927 CompositingQuality *quality)
3929 TRACE("(%p, %p)\n", graphics, quality);
3931 if(!graphics || !quality)
3932 return InvalidParameter;
3934 if(graphics->busy)
3935 return ObjectBusy;
3937 *quality = graphics->compqual;
3939 return Ok;
3942 /* FIXME: Interpolation mode is not used anywhere except the getter/setter. */
3943 GpStatus WINGDIPAPI GdipGetInterpolationMode(GpGraphics *graphics,
3944 InterpolationMode *mode)
3946 TRACE("(%p, %p)\n", graphics, mode);
3948 if(!graphics || !mode)
3949 return InvalidParameter;
3951 if(graphics->busy)
3952 return ObjectBusy;
3954 *mode = graphics->interpolation;
3956 return Ok;
3959 /* FIXME: Need to handle color depths less than 24bpp */
3960 GpStatus WINGDIPAPI GdipGetNearestColor(GpGraphics *graphics, ARGB* argb)
3962 FIXME("(%p, %p): Passing color unmodified\n", graphics, argb);
3964 if(!graphics || !argb)
3965 return InvalidParameter;
3967 if(graphics->busy)
3968 return ObjectBusy;
3970 return Ok;
3973 GpStatus WINGDIPAPI GdipGetPageScale(GpGraphics *graphics, REAL *scale)
3975 TRACE("(%p, %p)\n", graphics, scale);
3977 if(!graphics || !scale)
3978 return InvalidParameter;
3980 if(graphics->busy)
3981 return ObjectBusy;
3983 *scale = graphics->scale;
3985 return Ok;
3988 GpStatus WINGDIPAPI GdipGetPageUnit(GpGraphics *graphics, GpUnit *unit)
3990 TRACE("(%p, %p)\n", graphics, unit);
3992 if(!graphics || !unit)
3993 return InvalidParameter;
3995 if(graphics->busy)
3996 return ObjectBusy;
3998 *unit = graphics->unit;
4000 return Ok;
4003 /* FIXME: Pixel offset mode is not used anywhere except the getter/setter. */
4004 GpStatus WINGDIPAPI GdipGetPixelOffsetMode(GpGraphics *graphics, PixelOffsetMode
4005 *mode)
4007 TRACE("(%p, %p)\n", graphics, mode);
4009 if(!graphics || !mode)
4010 return InvalidParameter;
4012 if(graphics->busy)
4013 return ObjectBusy;
4015 *mode = graphics->pixeloffset;
4017 return Ok;
4020 /* FIXME: Smoothing mode is not used anywhere except the getter/setter. */
4021 GpStatus WINGDIPAPI GdipGetSmoothingMode(GpGraphics *graphics, SmoothingMode *mode)
4023 TRACE("(%p, %p)\n", graphics, mode);
4025 if(!graphics || !mode)
4026 return InvalidParameter;
4028 if(graphics->busy)
4029 return ObjectBusy;
4031 *mode = graphics->smoothing;
4033 return Ok;
4036 GpStatus WINGDIPAPI GdipGetTextContrast(GpGraphics *graphics, UINT *contrast)
4038 TRACE("(%p, %p)\n", graphics, contrast);
4040 if(!graphics || !contrast)
4041 return InvalidParameter;
4043 *contrast = graphics->textcontrast;
4045 return Ok;
4048 /* FIXME: Text rendering hint is not used anywhere except the getter/setter. */
4049 GpStatus WINGDIPAPI GdipGetTextRenderingHint(GpGraphics *graphics,
4050 TextRenderingHint *hint)
4052 TRACE("(%p, %p)\n", graphics, hint);
4054 if(!graphics || !hint)
4055 return InvalidParameter;
4057 if(graphics->busy)
4058 return ObjectBusy;
4060 *hint = graphics->texthint;
4062 return Ok;
4065 GpStatus WINGDIPAPI GdipGetVisibleClipBounds(GpGraphics *graphics, GpRectF *rect)
4067 GpRegion *clip_rgn;
4068 GpStatus stat;
4070 TRACE("(%p, %p)\n", graphics, rect);
4072 if(!graphics || !rect)
4073 return InvalidParameter;
4075 if(graphics->busy)
4076 return ObjectBusy;
4078 /* intersect window and graphics clipping regions */
4079 if((stat = GdipCreateRegion(&clip_rgn)) != Ok)
4080 return stat;
4082 if((stat = get_visible_clip_region(graphics, clip_rgn)) != Ok)
4083 goto cleanup;
4085 /* get bounds of the region */
4086 stat = GdipGetRegionBounds(clip_rgn, graphics, rect);
4088 cleanup:
4089 GdipDeleteRegion(clip_rgn);
4091 return stat;
4094 GpStatus WINGDIPAPI GdipGetVisibleClipBoundsI(GpGraphics *graphics, GpRect *rect)
4096 GpRectF rectf;
4097 GpStatus stat;
4099 TRACE("(%p, %p)\n", graphics, rect);
4101 if(!graphics || !rect)
4102 return InvalidParameter;
4104 if((stat = GdipGetVisibleClipBounds(graphics, &rectf)) == Ok)
4106 rect->X = roundr(rectf.X);
4107 rect->Y = roundr(rectf.Y);
4108 rect->Width = roundr(rectf.Width);
4109 rect->Height = roundr(rectf.Height);
4112 return stat;
4115 GpStatus WINGDIPAPI GdipGetWorldTransform(GpGraphics *graphics, GpMatrix *matrix)
4117 TRACE("(%p, %p)\n", graphics, matrix);
4119 if(!graphics || !matrix)
4120 return InvalidParameter;
4122 if(graphics->busy)
4123 return ObjectBusy;
4125 *matrix = *graphics->worldtrans;
4126 return Ok;
4129 GpStatus WINGDIPAPI GdipGraphicsClear(GpGraphics *graphics, ARGB color)
4131 GpSolidFill *brush;
4132 GpStatus stat;
4133 GpRectF wnd_rect;
4135 TRACE("(%p, %x)\n", graphics, color);
4137 if(!graphics)
4138 return InvalidParameter;
4140 if(graphics->busy)
4141 return ObjectBusy;
4143 if((stat = GdipCreateSolidFill(color, &brush)) != Ok)
4144 return stat;
4146 if((stat = get_graphics_bounds(graphics, &wnd_rect)) != Ok){
4147 GdipDeleteBrush((GpBrush*)brush);
4148 return stat;
4151 GdipFillRectangle(graphics, (GpBrush*)brush, wnd_rect.X, wnd_rect.Y,
4152 wnd_rect.Width, wnd_rect.Height);
4154 GdipDeleteBrush((GpBrush*)brush);
4156 return Ok;
4159 GpStatus WINGDIPAPI GdipIsClipEmpty(GpGraphics *graphics, BOOL *res)
4161 TRACE("(%p, %p)\n", graphics, res);
4163 if(!graphics || !res)
4164 return InvalidParameter;
4166 return GdipIsEmptyRegion(graphics->clip, graphics, res);
4169 GpStatus WINGDIPAPI GdipIsVisiblePoint(GpGraphics *graphics, REAL x, REAL y, BOOL *result)
4171 GpStatus stat;
4172 GpRegion* rgn;
4173 GpPointF pt;
4175 TRACE("(%p, %.2f, %.2f, %p)\n", graphics, x, y, result);
4177 if(!graphics || !result)
4178 return InvalidParameter;
4180 if(graphics->busy)
4181 return ObjectBusy;
4183 pt.X = x;
4184 pt.Y = y;
4185 if((stat = GdipTransformPoints(graphics, CoordinateSpaceDevice,
4186 CoordinateSpaceWorld, &pt, 1)) != Ok)
4187 return stat;
4189 if((stat = GdipCreateRegion(&rgn)) != Ok)
4190 return stat;
4192 if((stat = get_visible_clip_region(graphics, rgn)) != Ok)
4193 goto cleanup;
4195 stat = GdipIsVisibleRegionPoint(rgn, pt.X, pt.Y, graphics, result);
4197 cleanup:
4198 GdipDeleteRegion(rgn);
4199 return stat;
4202 GpStatus WINGDIPAPI GdipIsVisiblePointI(GpGraphics *graphics, INT x, INT y, BOOL *result)
4204 return GdipIsVisiblePoint(graphics, (REAL)x, (REAL)y, result);
4207 GpStatus WINGDIPAPI GdipIsVisibleRect(GpGraphics *graphics, REAL x, REAL y, REAL width, REAL height, BOOL *result)
4209 GpStatus stat;
4210 GpRegion* rgn;
4211 GpPointF pts[2];
4213 TRACE("(%p %.2f %.2f %.2f %.2f %p)\n", graphics, x, y, width, height, result);
4215 if(!graphics || !result)
4216 return InvalidParameter;
4218 if(graphics->busy)
4219 return ObjectBusy;
4221 pts[0].X = x;
4222 pts[0].Y = y;
4223 pts[1].X = x + width;
4224 pts[1].Y = y + height;
4226 if((stat = GdipTransformPoints(graphics, CoordinateSpaceDevice,
4227 CoordinateSpaceWorld, pts, 2)) != Ok)
4228 return stat;
4230 pts[1].X -= pts[0].X;
4231 pts[1].Y -= pts[0].Y;
4233 if((stat = GdipCreateRegion(&rgn)) != Ok)
4234 return stat;
4236 if((stat = get_visible_clip_region(graphics, rgn)) != Ok)
4237 goto cleanup;
4239 stat = GdipIsVisibleRegionRect(rgn, pts[0].X, pts[0].Y, pts[1].X, pts[1].Y, graphics, result);
4241 cleanup:
4242 GdipDeleteRegion(rgn);
4243 return stat;
4246 GpStatus WINGDIPAPI GdipIsVisibleRectI(GpGraphics *graphics, INT x, INT y, INT width, INT height, BOOL *result)
4248 return GdipIsVisibleRect(graphics, (REAL)x, (REAL)y, (REAL)width, (REAL)height, result);
4251 GpStatus gdip_format_string(HDC hdc,
4252 GDIPCONST WCHAR *string, INT length, GDIPCONST GpFont *font,
4253 GDIPCONST RectF *rect, GDIPCONST GpStringFormat *format,
4254 gdip_format_string_callback callback, void *user_data)
4256 WCHAR* stringdup;
4257 int sum = 0, height = 0, fit, fitcpy, i, j, lret, nwidth,
4258 nheight, lineend, lineno = 0;
4259 RectF bounds;
4260 StringAlignment halign;
4261 GpStatus stat = Ok;
4262 SIZE size;
4264 if(length == -1) length = lstrlenW(string);
4266 stringdup = GdipAlloc((length + 1) * sizeof(WCHAR));
4267 if(!stringdup) return OutOfMemory;
4269 nwidth = roundr(rect->Width);
4270 nheight = roundr(rect->Height);
4272 if (rect->Width >= INT_MAX || rect->Width < 0.5) nwidth = INT_MAX;
4273 if (rect->Height >= INT_MAX || rect->Width < 0.5) nheight = INT_MAX;
4275 for(i = 0, j = 0; i < length; i++){
4276 /* FIXME: This makes the indexes passed to callback inaccurate. */
4277 if(!isprintW(string[i]) && (string[i] != '\n'))
4278 continue;
4280 stringdup[j] = string[i];
4281 j++;
4284 length = j;
4286 if (format) halign = format->align;
4287 else halign = StringAlignmentNear;
4289 while(sum < length){
4290 GetTextExtentExPointW(hdc, stringdup + sum, length - sum,
4291 nwidth, &fit, NULL, &size);
4292 fitcpy = fit;
4294 if(fit == 0)
4295 break;
4297 for(lret = 0; lret < fit; lret++)
4298 if(*(stringdup + sum + lret) == '\n')
4299 break;
4301 /* Line break code (may look strange, but it imitates windows). */
4302 if(lret < fit)
4303 lineend = fit = lret; /* this is not an off-by-one error */
4304 else if(fit < (length - sum)){
4305 if(*(stringdup + sum + fit) == ' ')
4306 while(*(stringdup + sum + fit) == ' ')
4307 fit++;
4308 else
4309 while(*(stringdup + sum + fit - 1) != ' '){
4310 fit--;
4312 if(*(stringdup + sum + fit) == '\t')
4313 break;
4315 if(fit == 0){
4316 fit = fitcpy;
4317 break;
4320 lineend = fit;
4321 while(*(stringdup + sum + lineend - 1) == ' ' ||
4322 *(stringdup + sum + lineend - 1) == '\t')
4323 lineend--;
4325 else
4326 lineend = fit;
4328 GetTextExtentExPointW(hdc, stringdup + sum, lineend,
4329 nwidth, &j, NULL, &size);
4331 bounds.Width = size.cx;
4333 if(height + size.cy > nheight)
4334 bounds.Height = nheight - (height + size.cy);
4335 else
4336 bounds.Height = size.cy;
4338 bounds.Y = rect->Y + height;
4340 switch (halign)
4342 case StringAlignmentNear:
4343 default:
4344 bounds.X = rect->X;
4345 break;
4346 case StringAlignmentCenter:
4347 bounds.X = rect->X + (rect->Width/2) - (bounds.Width/2);
4348 break;
4349 case StringAlignmentFar:
4350 bounds.X = rect->X + rect->Width - bounds.Width;
4351 break;
4354 stat = callback(hdc, stringdup, sum, lineend,
4355 font, rect, format, lineno, &bounds, user_data);
4357 if (stat != Ok)
4358 break;
4360 sum += fit + (lret < fitcpy ? 1 : 0);
4361 height += size.cy;
4362 lineno++;
4364 if(height > nheight)
4365 break;
4367 /* Stop if this was a linewrap (but not if it was a linebreak). */
4368 if((lret == fitcpy) && format && (format->attr & StringFormatFlagsNoWrap))
4369 break;
4372 GdipFree(stringdup);
4374 return stat;
4377 struct measure_ranges_args {
4378 GpRegion **regions;
4381 static GpStatus measure_ranges_callback(HDC hdc,
4382 GDIPCONST WCHAR *string, INT index, INT length, GDIPCONST GpFont *font,
4383 GDIPCONST RectF *rect, GDIPCONST GpStringFormat *format,
4384 INT lineno, const RectF *bounds, void *user_data)
4386 int i;
4387 GpStatus stat = Ok;
4388 struct measure_ranges_args *args = user_data;
4390 for (i=0; i<format->range_count; i++)
4392 INT range_start = max(index, format->character_ranges[i].First);
4393 INT range_end = min(index+length, format->character_ranges[i].First+format->character_ranges[i].Length);
4394 if (range_start < range_end)
4396 GpRectF range_rect;
4397 SIZE range_size;
4399 range_rect.Y = bounds->Y;
4400 range_rect.Height = bounds->Height;
4402 GetTextExtentExPointW(hdc, string + index, range_start - index,
4403 INT_MAX, NULL, NULL, &range_size);
4404 range_rect.X = bounds->X + range_size.cx;
4406 GetTextExtentExPointW(hdc, string + index, range_end - index,
4407 INT_MAX, NULL, NULL, &range_size);
4408 range_rect.Width = (bounds->X + range_size.cx) - range_rect.X;
4410 stat = GdipCombineRegionRect(args->regions[i], &range_rect, CombineModeUnion);
4411 if (stat != Ok)
4412 break;
4416 return stat;
4419 GpStatus WINGDIPAPI GdipMeasureCharacterRanges(GpGraphics* graphics,
4420 GDIPCONST WCHAR* string, INT length, GDIPCONST GpFont* font,
4421 GDIPCONST RectF* layoutRect, GDIPCONST GpStringFormat *stringFormat,
4422 INT regionCount, GpRegion** regions)
4424 GpStatus stat;
4425 int i;
4426 HFONT oldfont;
4427 struct measure_ranges_args args;
4428 HDC hdc, temp_hdc=NULL;
4430 TRACE("(%p %s %d %p %s %p %d %p)\n", graphics, debugstr_w(string),
4431 length, font, debugstr_rectf(layoutRect), stringFormat, regionCount, regions);
4433 if (!(graphics && string && font && layoutRect && stringFormat && regions))
4434 return InvalidParameter;
4436 if (regionCount < stringFormat->range_count)
4437 return InvalidParameter;
4439 if(!graphics->hdc)
4441 hdc = temp_hdc = CreateCompatibleDC(0);
4442 if (!temp_hdc) return OutOfMemory;
4444 else
4445 hdc = graphics->hdc;
4447 if (stringFormat->attr)
4448 TRACE("may be ignoring some format flags: attr %x\n", stringFormat->attr);
4450 oldfont = SelectObject(hdc, CreateFontIndirectW(&font->lfw));
4452 for (i=0; i<stringFormat->range_count; i++)
4454 stat = GdipSetEmpty(regions[i]);
4455 if (stat != Ok)
4456 return stat;
4459 args.regions = regions;
4461 stat = gdip_format_string(hdc, string, length, font, layoutRect, stringFormat,
4462 measure_ranges_callback, &args);
4464 DeleteObject(SelectObject(hdc, oldfont));
4466 if (temp_hdc)
4467 DeleteDC(temp_hdc);
4469 return stat;
4472 struct measure_string_args {
4473 RectF *bounds;
4474 INT *codepointsfitted;
4475 INT *linesfilled;
4478 static GpStatus measure_string_callback(HDC hdc,
4479 GDIPCONST WCHAR *string, INT index, INT length, GDIPCONST GpFont *font,
4480 GDIPCONST RectF *rect, GDIPCONST GpStringFormat *format,
4481 INT lineno, const RectF *bounds, void *user_data)
4483 struct measure_string_args *args = user_data;
4485 if (bounds->Width > args->bounds->Width)
4486 args->bounds->Width = bounds->Width;
4488 if (bounds->Height + bounds->Y > args->bounds->Height + args->bounds->Y)
4489 args->bounds->Height = bounds->Height + bounds->Y - args->bounds->Y;
4491 if (args->codepointsfitted)
4492 *args->codepointsfitted = index + length;
4494 if (args->linesfilled)
4495 (*args->linesfilled)++;
4497 return Ok;
4500 /* Find the smallest rectangle that bounds the text when it is printed in rect
4501 * according to the format options listed in format. If rect has 0 width and
4502 * height, then just find the smallest rectangle that bounds the text when it's
4503 * printed at location (rect->X, rect-Y). */
4504 GpStatus WINGDIPAPI GdipMeasureString(GpGraphics *graphics,
4505 GDIPCONST WCHAR *string, INT length, GDIPCONST GpFont *font,
4506 GDIPCONST RectF *rect, GDIPCONST GpStringFormat *format, RectF *bounds,
4507 INT *codepointsfitted, INT *linesfilled)
4509 HFONT oldfont;
4510 struct measure_string_args args;
4511 HDC temp_hdc=NULL, hdc;
4513 TRACE("(%p, %s, %i, %p, %s, %p, %p, %p, %p)\n", graphics,
4514 debugstr_wn(string, length), length, font, debugstr_rectf(rect), format,
4515 bounds, codepointsfitted, linesfilled);
4517 if(!graphics || !string || !font || !rect || !bounds)
4518 return InvalidParameter;
4520 if(!graphics->hdc)
4522 hdc = temp_hdc = CreateCompatibleDC(0);
4523 if (!temp_hdc) return OutOfMemory;
4525 else
4526 hdc = graphics->hdc;
4528 if(linesfilled) *linesfilled = 0;
4529 if(codepointsfitted) *codepointsfitted = 0;
4531 if(format)
4532 TRACE("may be ignoring some format flags: attr %x\n", format->attr);
4534 oldfont = SelectObject(hdc, CreateFontIndirectW(&font->lfw));
4536 bounds->X = rect->X;
4537 bounds->Y = rect->Y;
4538 bounds->Width = 0.0;
4539 bounds->Height = 0.0;
4541 args.bounds = bounds;
4542 args.codepointsfitted = codepointsfitted;
4543 args.linesfilled = linesfilled;
4545 gdip_format_string(hdc, string, length, font, rect, format,
4546 measure_string_callback, &args);
4548 DeleteObject(SelectObject(hdc, oldfont));
4550 if (temp_hdc)
4551 DeleteDC(temp_hdc);
4553 return Ok;
4556 struct draw_string_args {
4557 POINT drawbase;
4558 UINT drawflags;
4559 REAL ang_cos, ang_sin;
4562 static GpStatus draw_string_callback(HDC hdc,
4563 GDIPCONST WCHAR *string, INT index, INT length, GDIPCONST GpFont *font,
4564 GDIPCONST RectF *rect, GDIPCONST GpStringFormat *format,
4565 INT lineno, const RectF *bounds, void *user_data)
4567 struct draw_string_args *args = user_data;
4568 RECT drawcoord;
4570 drawcoord.left = drawcoord.right = args->drawbase.x + roundr(args->ang_sin * bounds->Y);
4571 drawcoord.top = drawcoord.bottom = args->drawbase.y + roundr(args->ang_cos * bounds->Y);
4573 DrawTextW(hdc, string + index, length, &drawcoord, args->drawflags);
4575 return Ok;
4578 GpStatus WINGDIPAPI GdipDrawString(GpGraphics *graphics, GDIPCONST WCHAR *string,
4579 INT length, GDIPCONST GpFont *font, GDIPCONST RectF *rect,
4580 GDIPCONST GpStringFormat *format, GDIPCONST GpBrush *brush)
4582 HRGN rgn = NULL;
4583 HFONT gdifont;
4584 LOGFONTW lfw;
4585 TEXTMETRICW textmet;
4586 GpPointF pt[3], rectcpy[4];
4587 POINT corners[4];
4588 REAL angle, rel_width, rel_height;
4589 INT offsety = 0, save_state;
4590 struct draw_string_args args;
4591 RectF scaled_rect;
4593 TRACE("(%p, %s, %i, %p, %s, %p, %p)\n", graphics, debugstr_wn(string, length),
4594 length, font, debugstr_rectf(rect), format, brush);
4596 if(!graphics || !string || !font || !brush || !rect)
4597 return InvalidParameter;
4599 if((brush->bt != BrushTypeSolidColor)){
4600 FIXME("not implemented for given parameters\n");
4601 return NotImplemented;
4604 if(!graphics->hdc)
4606 FIXME("graphics object has no HDC\n");
4607 return Ok;
4610 if(format){
4611 TRACE("may be ignoring some format flags: attr %x\n", format->attr);
4613 /* Should be no need to explicitly test for StringAlignmentNear as
4614 * that is default behavior if no alignment is passed. */
4615 if(format->vertalign != StringAlignmentNear){
4616 RectF bounds;
4617 GdipMeasureString(graphics, string, length, font, rect, format, &bounds, 0, 0);
4619 if(format->vertalign == StringAlignmentCenter)
4620 offsety = (rect->Height - bounds.Height) / 2;
4621 else if(format->vertalign == StringAlignmentFar)
4622 offsety = (rect->Height - bounds.Height);
4626 save_state = SaveDC(graphics->hdc);
4627 SetBkMode(graphics->hdc, TRANSPARENT);
4628 SetTextColor(graphics->hdc, brush->lb.lbColor);
4630 pt[0].X = 0.0;
4631 pt[0].Y = 0.0;
4632 pt[1].X = 1.0;
4633 pt[1].Y = 0.0;
4634 pt[2].X = 0.0;
4635 pt[2].Y = 1.0;
4636 GdipTransformPoints(graphics, CoordinateSpaceDevice, CoordinateSpaceWorld, pt, 3);
4637 angle = -gdiplus_atan2((pt[1].Y - pt[0].Y), (pt[1].X - pt[0].X));
4638 args.ang_cos = cos(angle);
4639 args.ang_sin = sin(angle);
4640 rel_width = sqrt((pt[1].Y-pt[0].Y)*(pt[1].Y-pt[0].Y)+
4641 (pt[1].X-pt[0].X)*(pt[1].X-pt[0].X));
4642 rel_height = sqrt((pt[2].Y-pt[0].Y)*(pt[2].Y-pt[0].Y)+
4643 (pt[2].X-pt[0].X)*(pt[2].X-pt[0].X));
4645 rectcpy[3].X = rectcpy[0].X = rect->X;
4646 rectcpy[1].Y = rectcpy[0].Y = rect->Y + offsety;
4647 rectcpy[2].X = rectcpy[1].X = rect->X + rect->Width;
4648 rectcpy[3].Y = rectcpy[2].Y = rect->Y + offsety + rect->Height;
4649 transform_and_round_points(graphics, corners, rectcpy, 4);
4651 scaled_rect.X = 0.0;
4652 scaled_rect.Y = 0.0;
4653 scaled_rect.Width = rel_width * rect->Width;
4654 scaled_rect.Height = rel_height * rect->Height;
4656 if (roundr(scaled_rect.Width) != 0 && roundr(scaled_rect.Height) != 0)
4658 /* FIXME: If only the width or only the height is 0, we should probably still clip */
4659 rgn = CreatePolygonRgn(corners, 4, ALTERNATE);
4660 SelectClipRgn(graphics->hdc, rgn);
4663 /* Use gdi to find the font, then perform transformations on it (height,
4664 * width, angle). */
4665 SelectObject(graphics->hdc, CreateFontIndirectW(&font->lfw));
4666 GetTextMetricsW(graphics->hdc, &textmet);
4667 lfw = font->lfw;
4669 lfw.lfHeight = roundr(((REAL)lfw.lfHeight) * rel_height);
4670 lfw.lfWidth = roundr(textmet.tmAveCharWidth * rel_width);
4672 lfw.lfEscapement = lfw.lfOrientation = roundr((angle / M_PI) * 1800.0);
4674 gdifont = CreateFontIndirectW(&lfw);
4675 DeleteObject(SelectObject(graphics->hdc, gdifont));
4677 if (!format || format->align == StringAlignmentNear)
4679 args.drawbase.x = corners[0].x;
4680 args.drawbase.y = corners[0].y;
4681 args.drawflags = DT_NOCLIP | DT_EXPANDTABS;
4683 else if (format->align == StringAlignmentCenter)
4685 args.drawbase.x = (corners[0].x + corners[1].x)/2;
4686 args.drawbase.y = (corners[0].y + corners[1].y)/2;
4687 args.drawflags = DT_NOCLIP | DT_EXPANDTABS | DT_CENTER;
4689 else /* (format->align == StringAlignmentFar) */
4691 args.drawbase.x = corners[1].x;
4692 args.drawbase.y = corners[1].y;
4693 args.drawflags = DT_NOCLIP | DT_EXPANDTABS | DT_RIGHT;
4696 gdip_format_string(graphics->hdc, string, length, font, &scaled_rect, format,
4697 draw_string_callback, &args);
4699 DeleteObject(rgn);
4700 DeleteObject(gdifont);
4702 RestoreDC(graphics->hdc, save_state);
4704 return Ok;
4707 GpStatus WINGDIPAPI GdipResetClip(GpGraphics *graphics)
4709 TRACE("(%p)\n", graphics);
4711 if(!graphics)
4712 return InvalidParameter;
4714 if(graphics->busy)
4715 return ObjectBusy;
4717 return GdipSetInfinite(graphics->clip);
4720 GpStatus WINGDIPAPI GdipResetWorldTransform(GpGraphics *graphics)
4722 TRACE("(%p)\n", graphics);
4724 if(!graphics)
4725 return InvalidParameter;
4727 if(graphics->busy)
4728 return ObjectBusy;
4730 graphics->worldtrans->matrix[0] = 1.0;
4731 graphics->worldtrans->matrix[1] = 0.0;
4732 graphics->worldtrans->matrix[2] = 0.0;
4733 graphics->worldtrans->matrix[3] = 1.0;
4734 graphics->worldtrans->matrix[4] = 0.0;
4735 graphics->worldtrans->matrix[5] = 0.0;
4737 return Ok;
4740 GpStatus WINGDIPAPI GdipRestoreGraphics(GpGraphics *graphics, GraphicsState state)
4742 return GdipEndContainer(graphics, state);
4745 GpStatus WINGDIPAPI GdipRotateWorldTransform(GpGraphics *graphics, REAL angle,
4746 GpMatrixOrder order)
4748 TRACE("(%p, %.2f, %d)\n", graphics, angle, order);
4750 if(!graphics)
4751 return InvalidParameter;
4753 if(graphics->busy)
4754 return ObjectBusy;
4756 return GdipRotateMatrix(graphics->worldtrans, angle, order);
4759 GpStatus WINGDIPAPI GdipSaveGraphics(GpGraphics *graphics, GraphicsState *state)
4761 return GdipBeginContainer2(graphics, state);
4764 GpStatus WINGDIPAPI GdipBeginContainer2(GpGraphics *graphics,
4765 GraphicsContainer *state)
4767 GraphicsContainerItem *container;
4768 GpStatus sts;
4770 TRACE("(%p, %p)\n", graphics, state);
4772 if(!graphics || !state)
4773 return InvalidParameter;
4775 sts = init_container(&container, graphics);
4776 if(sts != Ok)
4777 return sts;
4779 list_add_head(&graphics->containers, &container->entry);
4780 *state = graphics->contid = container->contid;
4782 return Ok;
4785 GpStatus WINGDIPAPI GdipBeginContainer(GpGraphics *graphics, GDIPCONST GpRectF *dstrect, GDIPCONST GpRectF *srcrect, GpUnit unit, GraphicsContainer *state)
4787 FIXME("(%p, %p, %p, %d, %p): stub\n", graphics, dstrect, srcrect, unit, state);
4788 return NotImplemented;
4791 GpStatus WINGDIPAPI GdipBeginContainerI(GpGraphics *graphics, GDIPCONST GpRect *dstrect, GDIPCONST GpRect *srcrect, GpUnit unit, GraphicsContainer *state)
4793 FIXME("(%p, %p, %p, %d, %p): stub\n", graphics, dstrect, srcrect, unit, state);
4794 return NotImplemented;
4797 GpStatus WINGDIPAPI GdipComment(GpGraphics *graphics, UINT sizeData, GDIPCONST BYTE *data)
4799 FIXME("(%p, %d, %p): stub\n", graphics, sizeData, data);
4800 return NotImplemented;
4803 GpStatus WINGDIPAPI GdipEndContainer(GpGraphics *graphics, GraphicsContainer state)
4805 GpStatus sts;
4806 GraphicsContainerItem *container, *container2;
4808 TRACE("(%p, %x)\n", graphics, state);
4810 if(!graphics)
4811 return InvalidParameter;
4813 LIST_FOR_EACH_ENTRY(container, &graphics->containers, GraphicsContainerItem, entry){
4814 if(container->contid == state)
4815 break;
4818 /* did not find a matching container */
4819 if(&container->entry == &graphics->containers)
4820 return Ok;
4822 sts = restore_container(graphics, container);
4823 if(sts != Ok)
4824 return sts;
4826 /* remove all of the containers on top of the found container */
4827 LIST_FOR_EACH_ENTRY_SAFE(container, container2, &graphics->containers, GraphicsContainerItem, entry){
4828 if(container->contid == state)
4829 break;
4830 list_remove(&container->entry);
4831 delete_container(container);
4834 list_remove(&container->entry);
4835 delete_container(container);
4837 return Ok;
4840 GpStatus WINGDIPAPI GdipScaleWorldTransform(GpGraphics *graphics, REAL sx,
4841 REAL sy, GpMatrixOrder order)
4843 TRACE("(%p, %.2f, %.2f, %d)\n", graphics, sx, sy, order);
4845 if(!graphics)
4846 return InvalidParameter;
4848 if(graphics->busy)
4849 return ObjectBusy;
4851 return GdipScaleMatrix(graphics->worldtrans, sx, sy, order);
4854 GpStatus WINGDIPAPI GdipSetClipGraphics(GpGraphics *graphics, GpGraphics *srcgraphics,
4855 CombineMode mode)
4857 TRACE("(%p, %p, %d)\n", graphics, srcgraphics, mode);
4859 if(!graphics || !srcgraphics)
4860 return InvalidParameter;
4862 return GdipCombineRegionRegion(graphics->clip, srcgraphics->clip, mode);
4865 GpStatus WINGDIPAPI GdipSetCompositingMode(GpGraphics *graphics,
4866 CompositingMode mode)
4868 TRACE("(%p, %d)\n", graphics, mode);
4870 if(!graphics)
4871 return InvalidParameter;
4873 if(graphics->busy)
4874 return ObjectBusy;
4876 graphics->compmode = mode;
4878 return Ok;
4881 GpStatus WINGDIPAPI GdipSetCompositingQuality(GpGraphics *graphics,
4882 CompositingQuality quality)
4884 TRACE("(%p, %d)\n", graphics, quality);
4886 if(!graphics)
4887 return InvalidParameter;
4889 if(graphics->busy)
4890 return ObjectBusy;
4892 graphics->compqual = quality;
4894 return Ok;
4897 GpStatus WINGDIPAPI GdipSetInterpolationMode(GpGraphics *graphics,
4898 InterpolationMode mode)
4900 TRACE("(%p, %d)\n", graphics, mode);
4902 if(!graphics || mode == InterpolationModeInvalid || mode > InterpolationModeHighQualityBicubic)
4903 return InvalidParameter;
4905 if(graphics->busy)
4906 return ObjectBusy;
4908 if (mode == InterpolationModeDefault || mode == InterpolationModeLowQuality)
4909 mode = InterpolationModeBilinear;
4911 if (mode == InterpolationModeHighQuality)
4912 mode = InterpolationModeHighQualityBicubic;
4914 graphics->interpolation = mode;
4916 return Ok;
4919 GpStatus WINGDIPAPI GdipSetPageScale(GpGraphics *graphics, REAL scale)
4921 TRACE("(%p, %.2f)\n", graphics, scale);
4923 if(!graphics || (scale <= 0.0))
4924 return InvalidParameter;
4926 if(graphics->busy)
4927 return ObjectBusy;
4929 graphics->scale = scale;
4931 return Ok;
4934 GpStatus WINGDIPAPI GdipSetPageUnit(GpGraphics *graphics, GpUnit unit)
4936 TRACE("(%p, %d)\n", graphics, unit);
4938 if(!graphics)
4939 return InvalidParameter;
4941 if(graphics->busy)
4942 return ObjectBusy;
4944 if(unit == UnitWorld)
4945 return InvalidParameter;
4947 graphics->unit = unit;
4949 return Ok;
4952 GpStatus WINGDIPAPI GdipSetPixelOffsetMode(GpGraphics *graphics, PixelOffsetMode
4953 mode)
4955 TRACE("(%p, %d)\n", graphics, mode);
4957 if(!graphics)
4958 return InvalidParameter;
4960 if(graphics->busy)
4961 return ObjectBusy;
4963 graphics->pixeloffset = mode;
4965 return Ok;
4968 GpStatus WINGDIPAPI GdipSetRenderingOrigin(GpGraphics *graphics, INT x, INT y)
4970 static int calls;
4972 TRACE("(%p,%i,%i)\n", graphics, x, y);
4974 if (!(calls++))
4975 FIXME("not implemented\n");
4977 return NotImplemented;
4980 GpStatus WINGDIPAPI GdipGetRenderingOrigin(GpGraphics *graphics, INT *x, INT *y)
4982 static int calls;
4984 TRACE("(%p,%p,%p)\n", graphics, x, y);
4986 if (!(calls++))
4987 FIXME("not implemented\n");
4989 *x = *y = 0;
4991 return NotImplemented;
4994 GpStatus WINGDIPAPI GdipSetSmoothingMode(GpGraphics *graphics, SmoothingMode mode)
4996 TRACE("(%p, %d)\n", graphics, mode);
4998 if(!graphics)
4999 return InvalidParameter;
5001 if(graphics->busy)
5002 return ObjectBusy;
5004 graphics->smoothing = mode;
5006 return Ok;
5009 GpStatus WINGDIPAPI GdipSetTextContrast(GpGraphics *graphics, UINT contrast)
5011 TRACE("(%p, %d)\n", graphics, contrast);
5013 if(!graphics)
5014 return InvalidParameter;
5016 graphics->textcontrast = contrast;
5018 return Ok;
5021 GpStatus WINGDIPAPI GdipSetTextRenderingHint(GpGraphics *graphics,
5022 TextRenderingHint hint)
5024 TRACE("(%p, %d)\n", graphics, hint);
5026 if(!graphics || hint > TextRenderingHintClearTypeGridFit)
5027 return InvalidParameter;
5029 if(graphics->busy)
5030 return ObjectBusy;
5032 graphics->texthint = hint;
5034 return Ok;
5037 GpStatus WINGDIPAPI GdipSetWorldTransform(GpGraphics *graphics, GpMatrix *matrix)
5039 TRACE("(%p, %p)\n", graphics, matrix);
5041 if(!graphics || !matrix)
5042 return InvalidParameter;
5044 if(graphics->busy)
5045 return ObjectBusy;
5047 GdipDeleteMatrix(graphics->worldtrans);
5048 return GdipCloneMatrix(matrix, &graphics->worldtrans);
5051 GpStatus WINGDIPAPI GdipTranslateWorldTransform(GpGraphics *graphics, REAL dx,
5052 REAL dy, GpMatrixOrder order)
5054 TRACE("(%p, %.2f, %.2f, %d)\n", graphics, dx, dy, order);
5056 if(!graphics)
5057 return InvalidParameter;
5059 if(graphics->busy)
5060 return ObjectBusy;
5062 return GdipTranslateMatrix(graphics->worldtrans, dx, dy, order);
5065 /*****************************************************************************
5066 * GdipSetClipHrgn [GDIPLUS.@]
5068 GpStatus WINGDIPAPI GdipSetClipHrgn(GpGraphics *graphics, HRGN hrgn, CombineMode mode)
5070 GpRegion *region;
5071 GpStatus status;
5073 TRACE("(%p, %p, %d)\n", graphics, hrgn, mode);
5075 if(!graphics)
5076 return InvalidParameter;
5078 status = GdipCreateRegionHrgn(hrgn, &region);
5079 if(status != Ok)
5080 return status;
5082 status = GdipSetClipRegion(graphics, region, mode);
5084 GdipDeleteRegion(region);
5085 return status;
5088 GpStatus WINGDIPAPI GdipSetClipPath(GpGraphics *graphics, GpPath *path, CombineMode mode)
5090 TRACE("(%p, %p, %d)\n", graphics, path, mode);
5092 if(!graphics)
5093 return InvalidParameter;
5095 if(graphics->busy)
5096 return ObjectBusy;
5098 return GdipCombineRegionPath(graphics->clip, path, mode);
5101 GpStatus WINGDIPAPI GdipSetClipRect(GpGraphics *graphics, REAL x, REAL y,
5102 REAL width, REAL height,
5103 CombineMode mode)
5105 GpRectF rect;
5107 TRACE("(%p, %.2f, %.2f, %.2f, %.2f, %d)\n", graphics, x, y, width, height, mode);
5109 if(!graphics)
5110 return InvalidParameter;
5112 if(graphics->busy)
5113 return ObjectBusy;
5115 rect.X = x;
5116 rect.Y = y;
5117 rect.Width = width;
5118 rect.Height = height;
5120 return GdipCombineRegionRect(graphics->clip, &rect, mode);
5123 GpStatus WINGDIPAPI GdipSetClipRectI(GpGraphics *graphics, INT x, INT y,
5124 INT width, INT height,
5125 CombineMode mode)
5127 TRACE("(%p, %d, %d, %d, %d, %d)\n", graphics, x, y, width, height, mode);
5129 if(!graphics)
5130 return InvalidParameter;
5132 if(graphics->busy)
5133 return ObjectBusy;
5135 return GdipSetClipRect(graphics, (REAL)x, (REAL)y, (REAL)width, (REAL)height, mode);
5138 GpStatus WINGDIPAPI GdipSetClipRegion(GpGraphics *graphics, GpRegion *region,
5139 CombineMode mode)
5141 TRACE("(%p, %p, %d)\n", graphics, region, mode);
5143 if(!graphics || !region)
5144 return InvalidParameter;
5146 if(graphics->busy)
5147 return ObjectBusy;
5149 return GdipCombineRegionRegion(graphics->clip, region, mode);
5152 GpStatus WINGDIPAPI GdipSetMetafileDownLevelRasterizationLimit(GpMetafile *metafile,
5153 UINT limitDpi)
5155 static int calls;
5157 TRACE("(%p,%u)\n", metafile, limitDpi);
5159 if(!(calls++))
5160 FIXME("not implemented\n");
5162 return NotImplemented;
5165 GpStatus WINGDIPAPI GdipDrawPolygon(GpGraphics *graphics,GpPen *pen,GDIPCONST GpPointF *points,
5166 INT count)
5168 INT save_state;
5169 POINT *pti;
5171 TRACE("(%p, %p, %d)\n", graphics, points, count);
5173 if(!graphics || !pen || count<=0)
5174 return InvalidParameter;
5176 if(graphics->busy)
5177 return ObjectBusy;
5179 if (!graphics->hdc)
5181 FIXME("graphics object has no HDC\n");
5182 return Ok;
5185 pti = GdipAlloc(sizeof(POINT) * count);
5187 save_state = prepare_dc(graphics, pen);
5188 SelectObject(graphics->hdc, GetStockObject(NULL_BRUSH));
5190 transform_and_round_points(graphics, pti, (GpPointF*)points, count);
5191 Polygon(graphics->hdc, pti, count);
5193 restore_dc(graphics, save_state);
5194 GdipFree(pti);
5196 return Ok;
5199 GpStatus WINGDIPAPI GdipDrawPolygonI(GpGraphics *graphics,GpPen *pen,GDIPCONST GpPoint *points,
5200 INT count)
5202 GpStatus ret;
5203 GpPointF *ptf;
5204 INT i;
5206 TRACE("(%p, %p, %p, %d)\n", graphics, pen, points, count);
5208 if(count<=0) return InvalidParameter;
5209 ptf = GdipAlloc(sizeof(GpPointF) * count);
5211 for(i = 0;i < count; i++){
5212 ptf[i].X = (REAL)points[i].X;
5213 ptf[i].Y = (REAL)points[i].Y;
5216 ret = GdipDrawPolygon(graphics,pen,ptf,count);
5217 GdipFree(ptf);
5219 return ret;
5222 GpStatus WINGDIPAPI GdipGetDpiX(GpGraphics *graphics, REAL* dpi)
5224 TRACE("(%p, %p)\n", graphics, dpi);
5226 if(!graphics || !dpi)
5227 return InvalidParameter;
5229 if(graphics->busy)
5230 return ObjectBusy;
5232 if (graphics->image)
5233 *dpi = graphics->image->xres;
5234 else
5235 *dpi = (REAL)GetDeviceCaps(graphics->hdc, LOGPIXELSX);
5237 return Ok;
5240 GpStatus WINGDIPAPI GdipGetDpiY(GpGraphics *graphics, REAL* dpi)
5242 TRACE("(%p, %p)\n", graphics, dpi);
5244 if(!graphics || !dpi)
5245 return InvalidParameter;
5247 if(graphics->busy)
5248 return ObjectBusy;
5250 if (graphics->image)
5251 *dpi = graphics->image->yres;
5252 else
5253 *dpi = (REAL)GetDeviceCaps(graphics->hdc, LOGPIXELSY);
5255 return Ok;
5258 GpStatus WINGDIPAPI GdipMultiplyWorldTransform(GpGraphics *graphics, GDIPCONST GpMatrix *matrix,
5259 GpMatrixOrder order)
5261 GpMatrix m;
5262 GpStatus ret;
5264 TRACE("(%p, %p, %d)\n", graphics, matrix, order);
5266 if(!graphics || !matrix)
5267 return InvalidParameter;
5269 if(graphics->busy)
5270 return ObjectBusy;
5272 m = *(graphics->worldtrans);
5274 ret = GdipMultiplyMatrix(&m, matrix, order);
5275 if(ret == Ok)
5276 *(graphics->worldtrans) = m;
5278 return ret;
5281 /* Color used to fill bitmaps so we can tell which parts have been drawn over by gdi32. */
5282 static const COLORREF DC_BACKGROUND_KEY = 0x0c0b0d;
5284 GpStatus WINGDIPAPI GdipGetDC(GpGraphics *graphics, HDC *hdc)
5286 TRACE("(%p, %p)\n", graphics, hdc);
5288 if(!graphics || !hdc)
5289 return InvalidParameter;
5291 if(graphics->busy)
5292 return ObjectBusy;
5294 if (!graphics->hdc ||
5295 (graphics->image && graphics->image->type == ImageTypeBitmap && ((GpBitmap*)graphics->image)->format & PixelFormatAlpha))
5297 /* Create a fake HDC and fill it with a constant color. */
5298 HDC temp_hdc;
5299 HBITMAP hbitmap;
5300 GpStatus stat;
5301 GpRectF bounds;
5302 BITMAPINFOHEADER bmih;
5303 int i;
5305 stat = get_graphics_bounds(graphics, &bounds);
5306 if (stat != Ok)
5307 return stat;
5309 graphics->temp_hbitmap_width = bounds.Width;
5310 graphics->temp_hbitmap_height = bounds.Height;
5312 bmih.biSize = sizeof(bmih);
5313 bmih.biWidth = graphics->temp_hbitmap_width;
5314 bmih.biHeight = -graphics->temp_hbitmap_height;
5315 bmih.biPlanes = 1;
5316 bmih.biBitCount = 32;
5317 bmih.biCompression = BI_RGB;
5318 bmih.biSizeImage = 0;
5319 bmih.biXPelsPerMeter = 0;
5320 bmih.biYPelsPerMeter = 0;
5321 bmih.biClrUsed = 0;
5322 bmih.biClrImportant = 0;
5324 hbitmap = CreateDIBSection(NULL, (BITMAPINFO*)&bmih, DIB_RGB_COLORS,
5325 (void**)&graphics->temp_bits, NULL, 0);
5326 if (!hbitmap)
5327 return GenericError;
5329 temp_hdc = CreateCompatibleDC(0);
5330 if (!temp_hdc)
5332 DeleteObject(hbitmap);
5333 return GenericError;
5336 for (i=0; i<(graphics->temp_hbitmap_width * graphics->temp_hbitmap_height); i++)
5337 ((DWORD*)graphics->temp_bits)[i] = DC_BACKGROUND_KEY;
5339 SelectObject(temp_hdc, hbitmap);
5341 graphics->temp_hbitmap = hbitmap;
5342 *hdc = graphics->temp_hdc = temp_hdc;
5344 else
5346 *hdc = graphics->hdc;
5349 graphics->busy = TRUE;
5351 return Ok;
5354 GpStatus WINGDIPAPI GdipReleaseDC(GpGraphics *graphics, HDC hdc)
5356 TRACE("(%p, %p)\n", graphics, hdc);
5358 if(!graphics || !hdc)
5359 return InvalidParameter;
5361 if((graphics->hdc != hdc && graphics->temp_hdc != hdc) || !(graphics->busy))
5362 return InvalidParameter;
5364 if (graphics->temp_hdc == hdc)
5366 DWORD* pos;
5367 int i;
5369 /* Find the pixels that have changed, and mark them as opaque. */
5370 pos = (DWORD*)graphics->temp_bits;
5371 for (i=0; i<(graphics->temp_hbitmap_width * graphics->temp_hbitmap_height); i++)
5373 if (*pos != DC_BACKGROUND_KEY)
5375 *pos |= 0xff000000;
5377 pos++;
5380 /* Write the changed pixels to the real target. */
5381 alpha_blend_pixels(graphics, 0, 0, graphics->temp_bits,
5382 graphics->temp_hbitmap_width, graphics->temp_hbitmap_height,
5383 graphics->temp_hbitmap_width * 4);
5385 /* Clean up. */
5386 DeleteDC(graphics->temp_hdc);
5387 DeleteObject(graphics->temp_hbitmap);
5388 graphics->temp_hdc = NULL;
5389 graphics->temp_hbitmap = NULL;
5392 graphics->busy = FALSE;
5394 return Ok;
5397 GpStatus WINGDIPAPI GdipGetClip(GpGraphics *graphics, GpRegion *region)
5399 GpRegion *clip;
5400 GpStatus status;
5402 TRACE("(%p, %p)\n", graphics, region);
5404 if(!graphics || !region)
5405 return InvalidParameter;
5407 if(graphics->busy)
5408 return ObjectBusy;
5410 if((status = GdipCloneRegion(graphics->clip, &clip)) != Ok)
5411 return status;
5413 /* free everything except root node and header */
5414 delete_element(&region->node);
5415 memcpy(region, clip, sizeof(GpRegion));
5416 GdipFree(clip);
5418 return Ok;
5421 static GpStatus get_graphics_transform(GpGraphics *graphics, GpCoordinateSpace dst_space,
5422 GpCoordinateSpace src_space, GpMatrix **matrix)
5424 GpStatus stat = GdipCreateMatrix(matrix);
5425 REAL unitscale;
5427 if (dst_space != src_space && stat == Ok)
5429 unitscale = convert_unit(graphics_res(graphics), graphics->unit);
5431 if(graphics->unit != UnitDisplay)
5432 unitscale *= graphics->scale;
5434 /* transform from src_space to CoordinateSpacePage */
5435 switch (src_space)
5437 case CoordinateSpaceWorld:
5438 GdipMultiplyMatrix(*matrix, graphics->worldtrans, MatrixOrderAppend);
5439 break;
5440 case CoordinateSpacePage:
5441 break;
5442 case CoordinateSpaceDevice:
5443 GdipScaleMatrix(*matrix, 1.0/unitscale, 1.0/unitscale, MatrixOrderAppend);
5444 break;
5447 /* transform from CoordinateSpacePage to dst_space */
5448 switch (dst_space)
5450 case CoordinateSpaceWorld:
5452 GpMatrix *inverted_transform;
5453 stat = GdipCloneMatrix(graphics->worldtrans, &inverted_transform);
5454 if (stat == Ok)
5456 stat = GdipInvertMatrix(inverted_transform);
5457 if (stat == Ok)
5458 GdipMultiplyMatrix(*matrix, inverted_transform, MatrixOrderAppend);
5459 GdipDeleteMatrix(inverted_transform);
5461 break;
5463 case CoordinateSpacePage:
5464 break;
5465 case CoordinateSpaceDevice:
5466 GdipScaleMatrix(*matrix, unitscale, unitscale, MatrixOrderAppend);
5467 break;
5470 return stat;
5473 GpStatus WINGDIPAPI GdipTransformPoints(GpGraphics *graphics, GpCoordinateSpace dst_space,
5474 GpCoordinateSpace src_space, GpPointF *points, INT count)
5476 GpMatrix *matrix;
5477 GpStatus stat;
5479 if(!graphics || !points || count <= 0)
5480 return InvalidParameter;
5482 if(graphics->busy)
5483 return ObjectBusy;
5485 TRACE("(%p, %d, %d, %p, %d)\n", graphics, dst_space, src_space, points, count);
5487 if (src_space == dst_space) return Ok;
5489 stat = get_graphics_transform(graphics, dst_space, src_space, &matrix);
5491 if (stat == Ok)
5493 stat = GdipTransformMatrixPoints(matrix, points, count);
5495 GdipDeleteMatrix(matrix);
5498 return stat;
5501 GpStatus WINGDIPAPI GdipTransformPointsI(GpGraphics *graphics, GpCoordinateSpace dst_space,
5502 GpCoordinateSpace src_space, GpPoint *points, INT count)
5504 GpPointF *pointsF;
5505 GpStatus ret;
5506 INT i;
5508 TRACE("(%p, %d, %d, %p, %d)\n", graphics, dst_space, src_space, points, count);
5510 if(count <= 0)
5511 return InvalidParameter;
5513 pointsF = GdipAlloc(sizeof(GpPointF) * count);
5514 if(!pointsF)
5515 return OutOfMemory;
5517 for(i = 0; i < count; i++){
5518 pointsF[i].X = (REAL)points[i].X;
5519 pointsF[i].Y = (REAL)points[i].Y;
5522 ret = GdipTransformPoints(graphics, dst_space, src_space, pointsF, count);
5524 if(ret == Ok)
5525 for(i = 0; i < count; i++){
5526 points[i].X = roundr(pointsF[i].X);
5527 points[i].Y = roundr(pointsF[i].Y);
5529 GdipFree(pointsF);
5531 return ret;
5534 HPALETTE WINGDIPAPI GdipCreateHalftonePalette(void)
5536 static int calls;
5538 TRACE("\n");
5540 if (!calls++)
5541 FIXME("stub\n");
5543 return NULL;
5546 /*****************************************************************************
5547 * GdipTranslateClip [GDIPLUS.@]
5549 GpStatus WINGDIPAPI GdipTranslateClip(GpGraphics *graphics, REAL dx, REAL dy)
5551 TRACE("(%p, %.2f, %.2f)\n", graphics, dx, dy);
5553 if(!graphics)
5554 return InvalidParameter;
5556 if(graphics->busy)
5557 return ObjectBusy;
5559 return GdipTranslateRegion(graphics->clip, dx, dy);
5562 /*****************************************************************************
5563 * GdipTranslateClipI [GDIPLUS.@]
5565 GpStatus WINGDIPAPI GdipTranslateClipI(GpGraphics *graphics, INT dx, INT dy)
5567 TRACE("(%p, %d, %d)\n", graphics, dx, dy);
5569 if(!graphics)
5570 return InvalidParameter;
5572 if(graphics->busy)
5573 return ObjectBusy;
5575 return GdipTranslateRegion(graphics->clip, (REAL)dx, (REAL)dy);
5579 /*****************************************************************************
5580 * GdipMeasureDriverString [GDIPLUS.@]
5582 GpStatus WINGDIPAPI GdipMeasureDriverString(GpGraphics *graphics, GDIPCONST UINT16 *text, INT length,
5583 GDIPCONST GpFont *font, GDIPCONST PointF *positions,
5584 INT flags, GDIPCONST GpMatrix *matrix, RectF *boundingBox)
5586 FIXME("(%p %p %d %p %p %d %p %p): stub\n", graphics, text, length, font, positions, flags, matrix, boundingBox);
5587 return NotImplemented;
5590 /*****************************************************************************
5591 * GdipDrawDriverString [GDIPLUS.@]
5593 GpStatus WINGDIPAPI GdipDrawDriverString(GpGraphics *graphics, GDIPCONST UINT16 *text, INT length,
5594 GDIPCONST GpFont *font, GDIPCONST GpBrush *brush,
5595 GDIPCONST PointF *positions, INT flags,
5596 GDIPCONST GpMatrix *matrix )
5598 FIXME("(%p %p %d %p %p %p %d %p): stub\n", graphics, text, length, font, brush, positions, flags, matrix);
5599 return NotImplemented;
5602 GpStatus WINGDIPAPI GdipRecordMetafile(HDC hdc, EmfType type, GDIPCONST GpRectF *frameRect,
5603 MetafileFrameUnit frameUnit, GDIPCONST WCHAR *desc, GpMetafile **metafile)
5605 FIXME("(%p %d %p %d %p %p): stub\n", hdc, type, frameRect, frameUnit, desc, metafile);
5606 return NotImplemented;
5609 /*****************************************************************************
5610 * GdipRecordMetafileI [GDIPLUS.@]
5612 GpStatus WINGDIPAPI GdipRecordMetafileI(HDC hdc, EmfType type, GDIPCONST GpRect *frameRect,
5613 MetafileFrameUnit frameUnit, GDIPCONST WCHAR *desc, GpMetafile **metafile)
5615 FIXME("(%p %d %p %d %p %p): stub\n", hdc, type, frameRect, frameUnit, desc, metafile);
5616 return NotImplemented;
5619 GpStatus WINGDIPAPI GdipRecordMetafileStream(IStream *stream, HDC hdc, EmfType type, GDIPCONST GpRect *frameRect,
5620 MetafileFrameUnit frameUnit, GDIPCONST WCHAR *desc, GpMetafile **metafile)
5622 FIXME("(%p %p %d %p %d %p %p): stub\n", stream, hdc, type, frameRect, frameUnit, desc, metafile);
5623 return NotImplemented;
5626 /*****************************************************************************
5627 * GdipIsVisibleClipEmpty [GDIPLUS.@]
5629 GpStatus WINGDIPAPI GdipIsVisibleClipEmpty(GpGraphics *graphics, BOOL *res)
5631 GpStatus stat;
5632 GpRegion* rgn;
5634 TRACE("(%p, %p)\n", graphics, res);
5636 if((stat = GdipCreateRegion(&rgn)) != Ok)
5637 return stat;
5639 if((stat = get_visible_clip_region(graphics, rgn)) != Ok)
5640 goto cleanup;
5642 stat = GdipIsEmptyRegion(rgn, graphics, res);
5644 cleanup:
5645 GdipDeleteRegion(rgn);
5646 return stat;
5649 GpStatus WINGDIPAPI GdipGetHemfFromMetafile(GpMetafile *metafile, HENHMETAFILE *hEmf)
5651 FIXME("(%p,%p): stub\n", metafile, hEmf);
5653 if (!metafile || !hEmf)
5654 return InvalidParameter;
5656 *hEmf = NULL;
5658 return NotImplemented;