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
27 #include "wine/unicode.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)
66 switch(type & PathPointTypePathTypeMask){
67 case PathPointTypeBezier:
70 case PathPointTypeLine:
73 case PathPointTypeStart:
77 ERR("Bad point type\n");
81 if(type & PathPointTypeCloseSubpath)
82 ret |= PT_CLOSEFIGURE;
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)
97 INT save_state, i, numdashes;
99 DWORD dash_array[MAX_DASHLEN];
101 save_state = SaveDC(graphics->hdc);
103 EndPath(graphics->hdc);
105 if(pen->unit == UnitPixel){
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.) */
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);
137 gdipen = ExtCreatePen(pen->style, roundr(width), &pen->brush->lb, 0, NULL);
139 SelectObject(graphics->hdc, gdipen);
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
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)
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;
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));
212 HBITMAP hbitmap, old_hbm=NULL;
213 BITMAPINFOHEADER bih;
217 hdc = CreateCompatibleDC(0);
219 bih.biSize = sizeof(BITMAPINFOHEADER);
220 bih.biWidth = src_width;
221 bih.biHeight = -src_height;
224 bih.biCompression = BI_RGB;
226 bih.biXPelsPerMeter = 0;
227 bih.biYPelsPerMeter = 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;
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);
249 DeleteObject(hbitmap);
255 static ARGB blend_colors(ARGB start, ARGB end, REAL position)
261 a1 = (start >> 24) & 0xff;
262 a2 = (end >> 24) & 0xff;
264 a3 = (int)(a1*(1.0f - position)+a2*(position));
268 for (i=0xff; i<=0xff0000; i = i << 8)
269 result |= (int)((start&i)*(1.0f - position)+(end&i)*(position))&i;
273 static ARGB blend_line_gradient(GpLineGradient* brush, REAL position)
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)
295 REAL left_blendpos, left_blendfac, right_blendpos, right_blendfac;
298 /* locate the blend positions surrounding this position */
299 while (position > brush->blendpos[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);
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])
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 void apply_image_attributes(const GpImageAttributes *attributes, LPBYTE data,
335 UINT width, UINT height, INT stride, ColorAdjustType type)
339 if (attributes->colorkeys[type].enabled ||
340 attributes->colorkeys[ColorAdjustTypeDefault].enabled)
342 const struct color_key *key;
343 BYTE min_blue, min_green, min_red;
344 BYTE max_blue, max_green, max_red;
346 if (attributes->colorkeys[type].enabled)
347 key = &attributes->colorkeys[type];
349 key = &attributes->colorkeys[ColorAdjustTypeDefault];
351 min_blue = key->low&0xff;
352 min_green = (key->low>>8)&0xff;
353 min_red = (key->low>>16)&0xff;
355 max_blue = key->high&0xff;
356 max_green = (key->high>>8)&0xff;
357 max_red = (key->high>>16)&0xff;
359 for (x=0; x<width; x++)
360 for (y=0; y<height; y++)
363 BYTE blue, green, red;
364 src_color = (ARGB*)(data + stride * y + sizeof(ARGB) * x);
365 blue = *src_color&0xff;
366 green = (*src_color>>8)&0xff;
367 red = (*src_color>>16)&0xff;
368 if (blue >= min_blue && green >= min_green && red >= min_red &&
369 blue <= max_blue && green <= max_green && red <= max_red)
370 *src_color = 0x00000000;
374 if (attributes->colorremaptables[type].enabled ||
375 attributes->colorremaptables[ColorAdjustTypeDefault].enabled)
377 const struct color_remap_table *table;
379 if (attributes->colorremaptables[type].enabled)
380 table = &attributes->colorremaptables[type];
382 table = &attributes->colorremaptables[ColorAdjustTypeDefault];
384 for (x=0; x<width; x++)
385 for (y=0; y<height; y++)
388 src_color = (ARGB*)(data + stride * y + sizeof(ARGB) * x);
389 for (i=0; i<table->mapsize; i++)
391 if (*src_color == table->colormap[i].oldColor.Argb)
393 *src_color = table->colormap[i].newColor.Argb;
400 if (attributes->colormatrices[type].enabled ||
401 attributes->colormatrices[ColorAdjustTypeDefault].enabled)
405 FIXME("Color transforms not implemented\n");
408 if (attributes->gamma_enabled[type] ||
409 attributes->gamma_enabled[ColorAdjustTypeDefault])
413 FIXME("Gamma adjustment not implemented\n");
417 /* Given a bitmap and its source rectangle, find the smallest rectangle in the
418 * bitmap that contains all the pixels we may need to draw it. */
419 static void get_bitmap_sample_size(InterpolationMode interpolation, WrapMode wrap,
420 GpBitmap* bitmap, REAL srcx, REAL srcy, REAL srcwidth, REAL srcheight,
423 INT left, top, right, bottom;
425 switch (interpolation)
427 case InterpolationModeHighQualityBilinear:
428 case InterpolationModeHighQualityBicubic:
429 /* FIXME: Include a greater range for the prefilter? */
430 case InterpolationModeBicubic:
431 case InterpolationModeBilinear:
432 left = (INT)(floorf(srcx));
433 top = (INT)(floorf(srcy));
434 right = (INT)(ceilf(srcx+srcwidth));
435 bottom = (INT)(ceilf(srcy+srcheight));
437 case InterpolationModeNearestNeighbor:
441 right = roundr(srcx+srcwidth);
442 bottom = roundr(srcy+srcheight);
446 if (wrap == WrapModeClamp)
452 if (right >= bitmap->width)
453 right = bitmap->width-1;
454 if (bottom >= bitmap->height)
455 bottom = bitmap->height-1;
459 /* In some cases we can make the rectangle smaller here, but the logic
460 * is hard to get right, and tiling suggests we're likely to use the
461 * entire source image. */
462 if (left < 0 || right >= bitmap->width)
465 right = bitmap->width-1;
468 if (top < 0 || bottom >= bitmap->height)
471 bottom = bitmap->height-1;
477 rect->Width = right - left + 1;
478 rect->Height = bottom - top + 1;
481 static ARGB sample_bitmap_pixel(GDIPCONST GpRect *src_rect, LPBYTE bits, UINT width,
482 UINT height, INT x, INT y, GDIPCONST GpImageAttributes *attributes)
484 if (attributes->wrap == WrapModeClamp)
486 if (x < 0 || y < 0 || x >= width || y >= height)
487 return attributes->outside_color;
491 /* Tiling. Make sure co-ordinates are positive as it simplifies the math. */
493 x = width*2 + x % (width * 2);
495 y = height*2 + y % (height * 2);
497 if ((attributes->wrap & 1) == 1)
500 if ((x / width) % 2 == 0)
503 x = width - 1 - x % width;
508 if ((attributes->wrap & 2) == 2)
511 if ((y / height) % 2 == 0)
514 y = height - 1 - y % height;
520 if (x < src_rect->X || y < src_rect->Y || x >= src_rect->X + src_rect->Width || y >= src_rect->Y + src_rect->Height)
522 ERR("out of range pixel requested\n");
526 return ((DWORD*)(bits))[(x - src_rect->X) + (y - src_rect->Y) * src_rect->Width];
529 static ARGB resample_bitmap_pixel(GDIPCONST GpRect *src_rect, LPBYTE bits, UINT width,
530 UINT height, GpPointF *point, GDIPCONST GpImageAttributes *attributes,
531 InterpolationMode interpolation)
535 switch (interpolation)
539 FIXME("Unimplemented interpolation %i\n", interpolation);
541 case InterpolationModeBilinear:
544 INT leftx, rightx, topy, bottomy;
545 ARGB topleft, topright, bottomleft, bottomright;
549 leftxf = floorf(point->X);
551 rightx = (INT)ceilf(point->X);
552 topyf = floorf(point->Y);
554 bottomy = (INT)ceilf(point->Y);
556 if (leftx == rightx && topy == bottomy)
557 return sample_bitmap_pixel(src_rect, bits, width, height,
558 leftx, topy, attributes);
560 topleft = sample_bitmap_pixel(src_rect, bits, width, height,
561 leftx, topy, attributes);
562 topright = sample_bitmap_pixel(src_rect, bits, width, height,
563 rightx, topy, attributes);
564 bottomleft = sample_bitmap_pixel(src_rect, bits, width, height,
565 leftx, bottomy, attributes);
566 bottomright = sample_bitmap_pixel(src_rect, bits, width, height,
567 rightx, bottomy, attributes);
569 x_offset = point->X - leftxf;
570 top = blend_colors(topleft, topright, x_offset);
571 bottom = blend_colors(bottomleft, bottomright, x_offset);
573 return blend_colors(top, bottom, point->Y - topyf);
575 case InterpolationModeNearestNeighbor:
576 return sample_bitmap_pixel(src_rect, bits, width, height,
577 roundr(point->X), roundr(point->Y), attributes);
581 static INT brush_can_fill_path(GpBrush *brush)
585 case BrushTypeSolidColor:
586 case BrushTypeHatchFill:
588 case BrushTypeLinearGradient:
589 case BrushTypeTextureFill:
590 /* Gdi32 isn't much help with these, so we should use brush_fill_pixels instead. */
596 static void brush_fill_path(GpGraphics *graphics, GpBrush* brush)
600 case BrushTypeLinearGradient:
602 GpLineGradient *line = (GpLineGradient*)brush;
605 SelectClipPath(graphics->hdc, RGN_AND);
606 if (GetClipBox(graphics->hdc, &rc) != NULLREGION)
608 GpPointF endpointsf[2];
612 SelectObject(graphics->hdc, GetStockObject(NULL_PEN));
614 endpointsf[0] = line->startpoint;
615 endpointsf[1] = line->endpoint;
616 transform_and_round_points(graphics, endpointsi, endpointsf, 2);
618 if (abs(endpointsi[0].x-endpointsi[1].x) > abs(endpointsi[0].y-endpointsi[1].y))
620 /* vertical-ish gradient */
621 int startx, endx; /* x co-ordinates of endpoints shifted to intersect the top of the visible rectangle */
622 int startbottomx; /* x co-ordinate of start point shifted to intersect the bottom of the visible rectangle */
625 HBRUSH hbrush, hprevbrush;
626 int leftx, rightx; /* x co-ordinates where the leftmost and rightmost gradient lines hit the top of the visible rectangle */
628 int tilt; /* horizontal distance covered by a gradient line */
630 startx = roundr((rc.top - endpointsf[0].Y) * (endpointsf[1].Y - endpointsf[0].Y) / (endpointsf[0].X - endpointsf[1].X) + endpointsf[0].X);
631 endx = roundr((rc.top - endpointsf[1].Y) * (endpointsf[1].Y - endpointsf[0].Y) / (endpointsf[0].X - endpointsf[1].X) + endpointsf[1].X);
632 width = endx - startx;
633 startbottomx = roundr((rc.bottom - endpointsf[0].Y) * (endpointsf[1].Y - endpointsf[0].Y) / (endpointsf[0].X - endpointsf[1].X) + endpointsf[0].X);
634 tilt = startx - startbottomx;
636 if (startx >= startbottomx)
639 rightx = rc.right + tilt;
643 leftx = rc.left + tilt;
647 poly[0].y = rc.bottom;
650 poly[3].y = rc.bottom;
652 for (x=leftx; x<=rightx; x++)
654 ARGB argb = blend_line_gradient(line, (x-startx)/(REAL)width);
655 col = ARGB2COLORREF(argb);
656 hbrush = CreateSolidBrush(col);
657 hprevbrush = SelectObject(graphics->hdc, hbrush);
658 poly[0].x = x - tilt - 1;
661 poly[3].x = x - tilt;
662 Polygon(graphics->hdc, poly, 4);
663 SelectObject(graphics->hdc, hprevbrush);
664 DeleteObject(hbrush);
667 else if (endpointsi[0].y != endpointsi[1].y)
669 /* horizontal-ish gradient */
670 int starty, endy; /* y co-ordinates of endpoints shifted to intersect the left of the visible rectangle */
671 int startrighty; /* y co-ordinate of start point shifted to intersect the right of the visible rectangle */
674 HBRUSH hbrush, hprevbrush;
675 int topy, bottomy; /* y co-ordinates where the topmost and bottommost gradient lines hit the left of the visible rectangle */
677 int tilt; /* vertical distance covered by a gradient line */
679 starty = roundr((rc.left - endpointsf[0].X) * (endpointsf[0].X - endpointsf[1].X) / (endpointsf[1].Y - endpointsf[0].Y) + endpointsf[0].Y);
680 endy = roundr((rc.left - endpointsf[1].X) * (endpointsf[0].X - endpointsf[1].X) / (endpointsf[1].Y - endpointsf[0].Y) + endpointsf[1].Y);
681 height = endy - starty;
682 startrighty = roundr((rc.right - endpointsf[0].X) * (endpointsf[0].X - endpointsf[1].X) / (endpointsf[1].Y - endpointsf[0].Y) + endpointsf[0].Y);
683 tilt = starty - startrighty;
685 if (starty >= startrighty)
688 bottomy = rc.bottom + tilt;
692 topy = rc.top + tilt;
696 poly[0].x = rc.right;
699 poly[3].x = rc.right;
701 for (y=topy; y<=bottomy; y++)
703 ARGB argb = blend_line_gradient(line, (y-starty)/(REAL)height);
704 col = ARGB2COLORREF(argb);
705 hbrush = CreateSolidBrush(col);
706 hprevbrush = SelectObject(graphics->hdc, hbrush);
707 poly[0].y = y - tilt - 1;
710 poly[3].y = y - tilt;
711 Polygon(graphics->hdc, poly, 4);
712 SelectObject(graphics->hdc, hprevbrush);
713 DeleteObject(hbrush);
716 /* else startpoint == endpoint */
720 case BrushTypeSolidColor:
722 GpSolidFill *fill = (GpSolidFill*)brush;
726 /* partially transparent fill */
728 SelectClipPath(graphics->hdc, RGN_AND);
729 if (GetClipBox(graphics->hdc, &rc) != NULLREGION)
731 HDC hdc = CreateCompatibleDC(NULL);
737 oldbmp = SelectObject(hdc, fill->bmp);
739 bf.BlendOp = AC_SRC_OVER;
741 bf.SourceConstantAlpha = 255;
742 bf.AlphaFormat = AC_SRC_ALPHA;
744 GdiAlphaBlend(graphics->hdc, rc.left, rc.top, rc.right-rc.left, rc.bottom-rc.top, hdc, 0, 0, 1, 1, bf);
746 SelectObject(hdc, oldbmp);
752 /* else fall through */
755 SelectObject(graphics->hdc, brush->gdibrush);
756 FillPath(graphics->hdc);
761 static INT brush_can_fill_pixels(GpBrush *brush)
765 case BrushTypeSolidColor:
766 case BrushTypeHatchFill:
767 case BrushTypeLinearGradient:
768 case BrushTypeTextureFill:
775 static GpStatus brush_fill_pixels(GpGraphics *graphics, GpBrush *brush,
776 DWORD *argb_pixels, GpRect *fill_area, UINT cdwStride)
780 case BrushTypeSolidColor:
783 GpSolidFill *fill = (GpSolidFill*)brush;
784 for (x=0; x<fill_area->Width; x++)
785 for (y=0; y<fill_area->Height; y++)
786 argb_pixels[x + y*cdwStride] = fill->color;
789 case BrushTypeHatchFill:
792 GpHatch *fill = (GpHatch*)brush;
793 const char *hatch_data;
795 if (get_hatch_data(fill->hatchstyle, &hatch_data) != Ok)
796 return NotImplemented;
798 for (x=0; x<fill_area->Width; x++)
799 for (y=0; y<fill_area->Height; y++)
803 /* FIXME: Account for the rendering origin */
804 hx = (x + fill_area->X) % 8;
805 hy = (y + fill_area->Y) % 8;
807 if ((hatch_data[7-hy] & (0x80 >> hx)) != 0)
808 argb_pixels[x + y*cdwStride] = fill->forecol;
810 argb_pixels[x + y*cdwStride] = fill->backcol;
815 case BrushTypeLinearGradient:
817 GpLineGradient *fill = (GpLineGradient*)brush;
818 GpPointF draw_points[3], line_points[3];
820 static const GpRectF box_1 = { 0.0, 0.0, 1.0, 1.0 };
821 GpMatrix *world_to_gradient; /* FIXME: Store this in the brush? */
824 draw_points[0].X = fill_area->X;
825 draw_points[0].Y = fill_area->Y;
826 draw_points[1].X = fill_area->X+1;
827 draw_points[1].Y = fill_area->Y;
828 draw_points[2].X = fill_area->X;
829 draw_points[2].Y = fill_area->Y+1;
831 /* Transform the points to a co-ordinate space where X is the point's
832 * position in the gradient, 0.0 being the start point and 1.0 the
834 stat = GdipTransformPoints(graphics, CoordinateSpaceWorld,
835 CoordinateSpaceDevice, draw_points, 3);
839 line_points[0] = fill->startpoint;
840 line_points[1] = fill->endpoint;
841 line_points[2].X = fill->startpoint.X + (fill->startpoint.Y - fill->endpoint.Y);
842 line_points[2].Y = fill->startpoint.Y + (fill->endpoint.X - fill->startpoint.X);
844 stat = GdipCreateMatrix3(&box_1, line_points, &world_to_gradient);
849 stat = GdipInvertMatrix(world_to_gradient);
852 stat = GdipTransformMatrixPoints(world_to_gradient, draw_points, 3);
854 GdipDeleteMatrix(world_to_gradient);
859 REAL x_delta = draw_points[1].X - draw_points[0].X;
860 REAL y_delta = draw_points[2].X - draw_points[0].X;
862 for (y=0; y<fill_area->Height; y++)
864 for (x=0; x<fill_area->Width; x++)
866 REAL pos = draw_points[0].X + x * x_delta + y * y_delta;
868 argb_pixels[x + y*cdwStride] = blend_line_gradient(fill, pos);
875 case BrushTypeTextureFill:
877 GpTexture *fill = (GpTexture*)brush;
878 GpPointF draw_points[3];
880 GpMatrix *world_to_texture;
886 if (fill->image->type != ImageTypeBitmap)
888 FIXME("metafile texture brushes not implemented\n");
889 return NotImplemented;
892 bitmap = (GpBitmap*)fill->image;
893 src_stride = sizeof(ARGB) * bitmap->width;
895 src_area.X = src_area.Y = 0;
896 src_area.Width = bitmap->width;
897 src_area.Height = bitmap->height;
899 draw_points[0].X = fill_area->X;
900 draw_points[0].Y = fill_area->Y;
901 draw_points[1].X = fill_area->X+1;
902 draw_points[1].Y = fill_area->Y;
903 draw_points[2].X = fill_area->X;
904 draw_points[2].Y = fill_area->Y+1;
906 /* Transform the points to the co-ordinate space of the bitmap. */
907 stat = GdipTransformPoints(graphics, CoordinateSpaceWorld,
908 CoordinateSpaceDevice, draw_points, 3);
912 stat = GdipCloneMatrix(fill->transform, &world_to_texture);
917 stat = GdipInvertMatrix(world_to_texture);
920 stat = GdipTransformMatrixPoints(world_to_texture, draw_points, 3);
922 GdipDeleteMatrix(world_to_texture);
925 if (stat == Ok && !fill->bitmap_bits)
927 BitmapData lockeddata;
929 fill->bitmap_bits = GdipAlloc(sizeof(ARGB) * bitmap->width * bitmap->height);
930 if (!fill->bitmap_bits)
935 lockeddata.Width = bitmap->width;
936 lockeddata.Height = bitmap->height;
937 lockeddata.Stride = src_stride;
938 lockeddata.PixelFormat = PixelFormat32bppARGB;
939 lockeddata.Scan0 = fill->bitmap_bits;
941 stat = GdipBitmapLockBits(bitmap, &src_area, ImageLockModeRead|ImageLockModeUserInputBuf,
942 PixelFormat32bppARGB, &lockeddata);
946 stat = GdipBitmapUnlockBits(bitmap, &lockeddata);
949 apply_image_attributes(fill->imageattributes, fill->bitmap_bits,
950 bitmap->width, bitmap->height,
951 src_stride, ColorAdjustTypeBitmap);
955 GdipFree(fill->bitmap_bits);
956 fill->bitmap_bits = NULL;
962 REAL x_dx = draw_points[1].X - draw_points[0].X;
963 REAL x_dy = draw_points[1].Y - draw_points[0].Y;
964 REAL y_dx = draw_points[2].X - draw_points[0].X;
965 REAL y_dy = draw_points[2].Y - draw_points[0].Y;
967 for (y=0; y<fill_area->Height; y++)
969 for (x=0; x<fill_area->Width; x++)
972 point.X = draw_points[0].X + x * x_dx + y * y_dx;
973 point.Y = draw_points[0].Y + y * x_dy + y * y_dy;
975 argb_pixels[x + y*cdwStride] = resample_bitmap_pixel(
976 &src_area, fill->bitmap_bits, bitmap->width, bitmap->height,
977 &point, fill->imageattributes, graphics->interpolation);
985 return NotImplemented;
989 /* GdipDrawPie/GdipFillPie helper function */
990 static void draw_pie(GpGraphics *graphics, REAL x, REAL y, REAL width,
991 REAL height, REAL startAngle, REAL sweepAngle)
998 ptf[1].X = x + width;
999 ptf[1].Y = y + height;
1001 deg2xy(startAngle+sweepAngle, x + width / 2.0, y + width / 2.0, &ptf[2].X, &ptf[2].Y);
1002 deg2xy(startAngle, x + width / 2.0, y + width / 2.0, &ptf[3].X, &ptf[3].Y);
1004 transform_and_round_points(graphics, pti, ptf, 4);
1006 Pie(graphics->hdc, pti[0].x, pti[0].y, pti[1].x, pti[1].y, pti[2].x,
1007 pti[2].y, pti[3].x, pti[3].y);
1010 /* Draws the linecap the specified color and size on the hdc. The linecap is in
1011 * direction of the line from x1, y1 to x2, y2 and is anchored on x2, y2. Probably
1012 * should not be called on an hdc that has a path you care about. */
1013 static void draw_cap(GpGraphics *graphics, COLORREF color, GpLineCap cap, REAL size,
1014 const GpCustomLineCap *custom, REAL x1, REAL y1, REAL x2, REAL y2)
1016 HGDIOBJ oldbrush = NULL, oldpen = NULL;
1017 GpMatrix *matrix = NULL;
1018 HBRUSH brush = NULL;
1020 PointF ptf[4], *custptf = NULL;
1021 POINT pt[4], *custpt = NULL;
1023 REAL theta, dsmall, dbig, dx, dy = 0.0;
1028 if((x1 == x2) && (y1 == y2))
1031 theta = gdiplus_atan2(y2 - y1, x2 - x1);
1033 customstroke = (cap == LineCapCustom) && custom && (!custom->fill);
1035 brush = CreateSolidBrush(color);
1036 lb.lbStyle = BS_SOLID;
1039 pen = ExtCreatePen(PS_GEOMETRIC | PS_SOLID | PS_ENDCAP_FLAT |
1040 PS_JOIN_MITER, 1, &lb, 0,
1042 oldbrush = SelectObject(graphics->hdc, brush);
1043 oldpen = SelectObject(graphics->hdc, pen);
1050 case LineCapSquareAnchor:
1051 case LineCapDiamondAnchor:
1052 size = size * (cap & LineCapNoAnchor ? ANCHOR_WIDTH : 1.0) / 2.0;
1053 if(cap == LineCapDiamondAnchor){
1054 dsmall = cos(theta + M_PI_2) * size;
1055 dbig = sin(theta + M_PI_2) * size;
1058 dsmall = cos(theta + M_PI_4) * size;
1059 dbig = sin(theta + M_PI_4) * size;
1062 ptf[0].X = x2 - dsmall;
1063 ptf[1].X = x2 + dbig;
1065 ptf[0].Y = y2 - dbig;
1066 ptf[3].Y = y2 + dsmall;
1068 ptf[1].Y = y2 - dsmall;
1069 ptf[2].Y = y2 + dbig;
1071 ptf[3].X = x2 - dbig;
1072 ptf[2].X = x2 + dsmall;
1074 transform_and_round_points(graphics, pt, ptf, 4);
1075 Polygon(graphics->hdc, pt, 4);
1078 case LineCapArrowAnchor:
1079 size = size * 4.0 / sqrt(3.0);
1081 dx = cos(M_PI / 6.0 + theta) * size;
1082 dy = sin(M_PI / 6.0 + theta) * size;
1087 dx = cos(- M_PI / 6.0 + theta) * size;
1088 dy = sin(- M_PI / 6.0 + theta) * size;
1096 transform_and_round_points(graphics, pt, ptf, 3);
1097 Polygon(graphics->hdc, pt, 3);
1100 case LineCapRoundAnchor:
1101 dx = dy = ANCHOR_WIDTH * size / 2.0;
1108 transform_and_round_points(graphics, pt, ptf, 2);
1109 Ellipse(graphics->hdc, pt[0].x, pt[0].y, pt[1].x, pt[1].y);
1112 case LineCapTriangle:
1114 dx = cos(M_PI_2 + theta) * size;
1115 dy = sin(M_PI_2 + theta) * size;
1122 dx = cos(theta) * size;
1123 dy = sin(theta) * size;
1128 transform_and_round_points(graphics, pt, ptf, 3);
1129 Polygon(graphics->hdc, pt, 3);
1133 dx = dy = size / 2.0;
1140 dx = -cos(M_PI_2 + theta) * size;
1141 dy = -sin(M_PI_2 + theta) * size;
1148 transform_and_round_points(graphics, pt, ptf, 4);
1149 Pie(graphics->hdc, pt[0].x, pt[0].y, pt[1].x, pt[1].y, pt[2].x,
1150 pt[2].y, pt[3].x, pt[3].y);
1157 count = custom->pathdata.Count;
1158 custptf = GdipAlloc(count * sizeof(PointF));
1159 custpt = GdipAlloc(count * sizeof(POINT));
1160 tp = GdipAlloc(count);
1162 if(!custptf || !custpt || !tp || (GdipCreateMatrix(&matrix) != Ok))
1165 memcpy(custptf, custom->pathdata.Points, count * sizeof(PointF));
1167 GdipScaleMatrix(matrix, size, size, MatrixOrderAppend);
1168 GdipRotateMatrix(matrix, (180.0 / M_PI) * (theta - M_PI_2),
1170 GdipTranslateMatrix(matrix, x2, y2, MatrixOrderAppend);
1171 GdipTransformMatrixPoints(matrix, custptf, count);
1173 transform_and_round_points(graphics, custpt, custptf, count);
1175 for(i = 0; i < count; i++)
1176 tp[i] = convert_path_point_type(custom->pathdata.Types[i]);
1179 BeginPath(graphics->hdc);
1180 PolyDraw(graphics->hdc, custpt, tp, count);
1181 EndPath(graphics->hdc);
1182 StrokeAndFillPath(graphics->hdc);
1185 PolyDraw(graphics->hdc, custpt, tp, count);
1191 GdipDeleteMatrix(matrix);
1198 SelectObject(graphics->hdc, oldbrush);
1199 SelectObject(graphics->hdc, oldpen);
1200 DeleteObject(brush);
1205 /* Shortens the line by the given percent by changing x2, y2.
1206 * If percent is > 1.0 then the line will change direction.
1207 * If percent is negative it can lengthen the line. */
1208 static void shorten_line_percent(REAL x1, REAL y1, REAL *x2, REAL *y2, REAL percent)
1210 REAL dist, theta, dx, dy;
1212 if((y1 == *y2) && (x1 == *x2))
1215 dist = sqrt((*x2 - x1) * (*x2 - x1) + (*y2 - y1) * (*y2 - y1)) * -percent;
1216 theta = gdiplus_atan2((*y2 - y1), (*x2 - x1));
1217 dx = cos(theta) * dist;
1218 dy = sin(theta) * dist;
1224 /* Shortens the line by the given amount by changing x2, y2.
1225 * If the amount is greater than the distance, the line will become length 0.
1226 * If the amount is negative, it can lengthen the line. */
1227 static void shorten_line_amt(REAL x1, REAL y1, REAL *x2, REAL *y2, REAL amt)
1229 REAL dx, dy, percent;
1233 if(dx == 0 && dy == 0)
1236 percent = amt / sqrt(dx * dx + dy * dy);
1243 shorten_line_percent(x1, y1, x2, y2, percent);
1246 /* Draws lines between the given points, and if caps is true then draws an endcap
1247 * at the end of the last line. */
1248 static GpStatus draw_polyline(GpGraphics *graphics, GpPen *pen,
1249 GDIPCONST GpPointF * pt, INT count, BOOL caps)
1252 GpPointF *ptcopy = NULL;
1253 GpStatus status = GenericError;
1258 pti = GdipAlloc(count * sizeof(POINT));
1259 ptcopy = GdipAlloc(count * sizeof(GpPointF));
1261 if(!pti || !ptcopy){
1262 status = OutOfMemory;
1266 memcpy(ptcopy, pt, count * sizeof(GpPointF));
1269 if(pen->endcap == LineCapArrowAnchor)
1270 shorten_line_amt(ptcopy[count-2].X, ptcopy[count-2].Y,
1271 &ptcopy[count-1].X, &ptcopy[count-1].Y, pen->width);
1272 else if((pen->endcap == LineCapCustom) && pen->customend)
1273 shorten_line_amt(ptcopy[count-2].X, ptcopy[count-2].Y,
1274 &ptcopy[count-1].X, &ptcopy[count-1].Y,
1275 pen->customend->inset * pen->width);
1277 if(pen->startcap == LineCapArrowAnchor)
1278 shorten_line_amt(ptcopy[1].X, ptcopy[1].Y,
1279 &ptcopy[0].X, &ptcopy[0].Y, pen->width);
1280 else if((pen->startcap == LineCapCustom) && pen->customstart)
1281 shorten_line_amt(ptcopy[1].X, ptcopy[1].Y,
1282 &ptcopy[0].X, &ptcopy[0].Y,
1283 pen->customstart->inset * pen->width);
1285 draw_cap(graphics, pen->brush->lb.lbColor, pen->endcap, pen->width, pen->customend,
1286 pt[count - 2].X, pt[count - 2].Y, pt[count - 1].X, pt[count - 1].Y);
1287 draw_cap(graphics, pen->brush->lb.lbColor, pen->startcap, pen->width, pen->customstart,
1288 pt[1].X, pt[1].Y, pt[0].X, pt[0].Y);
1291 transform_and_round_points(graphics, pti, ptcopy, count);
1293 if(Polyline(graphics->hdc, pti, count))
1303 /* Conducts a linear search to find the bezier points that will back off
1304 * the endpoint of the curve by a distance of amt. Linear search works
1305 * better than binary in this case because there are multiple solutions,
1306 * and binary searches often find a bad one. I don't think this is what
1307 * Windows does but short of rendering the bezier without GDI's help it's
1308 * the best we can do. If rev then work from the start of the passed points
1309 * instead of the end. */
1310 static void shorten_bezier_amt(GpPointF * pt, REAL amt, BOOL rev)
1313 REAL percent = 0.00, dx, dy, origx, origy, diff = -1.0;
1314 INT i, first = 0, second = 1, third = 2, fourth = 3;
1323 origx = pt[fourth].X;
1324 origy = pt[fourth].Y;
1325 memcpy(origpt, pt, sizeof(GpPointF) * 4);
1327 for(i = 0; (i < MAX_ITERS) && (diff < amt); i++){
1328 /* reset bezier points to original values */
1329 memcpy(pt, origpt, sizeof(GpPointF) * 4);
1330 /* Perform magic on bezier points. Order is important here.*/
1331 shorten_line_percent(pt[third].X, pt[third].Y, &pt[fourth].X, &pt[fourth].Y, percent);
1332 shorten_line_percent(pt[second].X, pt[second].Y, &pt[third].X, &pt[third].Y, percent);
1333 shorten_line_percent(pt[third].X, pt[third].Y, &pt[fourth].X, &pt[fourth].Y, percent);
1334 shorten_line_percent(pt[first].X, pt[first].Y, &pt[second].X, &pt[second].Y, percent);
1335 shorten_line_percent(pt[second].X, pt[second].Y, &pt[third].X, &pt[third].Y, percent);
1336 shorten_line_percent(pt[third].X, pt[third].Y, &pt[fourth].X, &pt[fourth].Y, percent);
1338 dx = pt[fourth].X - origx;
1339 dy = pt[fourth].Y - origy;
1341 diff = sqrt(dx * dx + dy * dy);
1342 percent += 0.0005 * amt;
1346 /* Draws bezier curves between given points, and if caps is true then draws an
1347 * endcap at the end of the last line. */
1348 static GpStatus draw_polybezier(GpGraphics *graphics, GpPen *pen,
1349 GDIPCONST GpPointF * pt, INT count, BOOL caps)
1353 GpStatus status = GenericError;
1358 pti = GdipAlloc(count * sizeof(POINT));
1359 ptcopy = GdipAlloc(count * sizeof(GpPointF));
1361 if(!pti || !ptcopy){
1362 status = OutOfMemory;
1366 memcpy(ptcopy, pt, count * sizeof(GpPointF));
1369 if(pen->endcap == LineCapArrowAnchor)
1370 shorten_bezier_amt(&ptcopy[count-4], pen->width, FALSE);
1371 else if((pen->endcap == LineCapCustom) && pen->customend)
1372 shorten_bezier_amt(&ptcopy[count-4], pen->width * pen->customend->inset,
1375 if(pen->startcap == LineCapArrowAnchor)
1376 shorten_bezier_amt(ptcopy, pen->width, TRUE);
1377 else if((pen->startcap == LineCapCustom) && pen->customstart)
1378 shorten_bezier_amt(ptcopy, pen->width * pen->customstart->inset, TRUE);
1380 /* the direction of the line cap is parallel to the direction at the
1381 * end of the bezier (which, if it has been shortened, is not the same
1382 * as the direction from pt[count-2] to pt[count-1]) */
1383 draw_cap(graphics, pen->brush->lb.lbColor, pen->endcap, pen->width, pen->customend,
1384 pt[count - 1].X - (ptcopy[count - 1].X - ptcopy[count - 2].X),
1385 pt[count - 1].Y - (ptcopy[count - 1].Y - ptcopy[count - 2].Y),
1386 pt[count - 1].X, pt[count - 1].Y);
1388 draw_cap(graphics, pen->brush->lb.lbColor, pen->startcap, pen->width, pen->customstart,
1389 pt[0].X - (ptcopy[0].X - ptcopy[1].X),
1390 pt[0].Y - (ptcopy[0].Y - ptcopy[1].Y), pt[0].X, pt[0].Y);
1393 transform_and_round_points(graphics, pti, ptcopy, count);
1395 PolyBezier(graphics->hdc, pti, count);
1406 /* Draws a combination of bezier curves and lines between points. */
1407 static GpStatus draw_poly(GpGraphics *graphics, GpPen *pen, GDIPCONST GpPointF * pt,
1408 GDIPCONST BYTE * types, INT count, BOOL caps)
1410 POINT *pti = GdipAlloc(count * sizeof(POINT));
1411 BYTE *tp = GdipAlloc(count);
1412 GpPointF *ptcopy = GdipAlloc(count * sizeof(GpPointF));
1414 GpStatus status = GenericError;
1420 if(!pti || !tp || !ptcopy){
1421 status = OutOfMemory;
1425 for(i = 1; i < count; i++){
1426 if((types[i] & PathPointTypePathTypeMask) == PathPointTypeBezier){
1427 if((i + 2 >= count) || !(types[i + 1] & PathPointTypeBezier)
1428 || !(types[i + 1] & PathPointTypeBezier)){
1429 ERR("Bad bezier points\n");
1436 memcpy(ptcopy, pt, count * sizeof(GpPointF));
1438 /* If we are drawing caps, go through the points and adjust them accordingly,
1439 * and draw the caps. */
1441 switch(types[count - 1] & PathPointTypePathTypeMask){
1442 case PathPointTypeBezier:
1443 if(pen->endcap == LineCapArrowAnchor)
1444 shorten_bezier_amt(&ptcopy[count - 4], pen->width, FALSE);
1445 else if((pen->endcap == LineCapCustom) && pen->customend)
1446 shorten_bezier_amt(&ptcopy[count - 4],
1447 pen->width * pen->customend->inset, FALSE);
1449 draw_cap(graphics, pen->brush->lb.lbColor, pen->endcap, pen->width, pen->customend,
1450 pt[count - 1].X - (ptcopy[count - 1].X - ptcopy[count - 2].X),
1451 pt[count - 1].Y - (ptcopy[count - 1].Y - ptcopy[count - 2].Y),
1452 pt[count - 1].X, pt[count - 1].Y);
1455 case PathPointTypeLine:
1456 if(pen->endcap == LineCapArrowAnchor)
1457 shorten_line_amt(ptcopy[count - 2].X, ptcopy[count - 2].Y,
1458 &ptcopy[count - 1].X, &ptcopy[count - 1].Y,
1460 else if((pen->endcap == LineCapCustom) && pen->customend)
1461 shorten_line_amt(ptcopy[count - 2].X, ptcopy[count - 2].Y,
1462 &ptcopy[count - 1].X, &ptcopy[count - 1].Y,
1463 pen->customend->inset * pen->width);
1465 draw_cap(graphics, pen->brush->lb.lbColor, pen->endcap, pen->width, pen->customend,
1466 pt[count - 2].X, pt[count - 2].Y, pt[count - 1].X,
1471 ERR("Bad path last point\n");
1475 /* Find start of points */
1476 for(j = 1; j < count && ((types[j] & PathPointTypePathTypeMask)
1477 == PathPointTypeStart); j++);
1479 switch(types[j] & PathPointTypePathTypeMask){
1480 case PathPointTypeBezier:
1481 if(pen->startcap == LineCapArrowAnchor)
1482 shorten_bezier_amt(&ptcopy[j - 1], pen->width, TRUE);
1483 else if((pen->startcap == LineCapCustom) && pen->customstart)
1484 shorten_bezier_amt(&ptcopy[j - 1],
1485 pen->width * pen->customstart->inset, TRUE);
1487 draw_cap(graphics, pen->brush->lb.lbColor, pen->startcap, pen->width, pen->customstart,
1488 pt[j - 1].X - (ptcopy[j - 1].X - ptcopy[j].X),
1489 pt[j - 1].Y - (ptcopy[j - 1].Y - ptcopy[j].Y),
1490 pt[j - 1].X, pt[j - 1].Y);
1493 case PathPointTypeLine:
1494 if(pen->startcap == LineCapArrowAnchor)
1495 shorten_line_amt(ptcopy[j].X, ptcopy[j].Y,
1496 &ptcopy[j - 1].X, &ptcopy[j - 1].Y,
1498 else if((pen->startcap == LineCapCustom) && pen->customstart)
1499 shorten_line_amt(ptcopy[j].X, ptcopy[j].Y,
1500 &ptcopy[j - 1].X, &ptcopy[j - 1].Y,
1501 pen->customstart->inset * pen->width);
1503 draw_cap(graphics, pen->brush->lb.lbColor, pen->startcap, pen->width, pen->customstart,
1504 pt[j].X, pt[j].Y, pt[j - 1].X,
1509 ERR("Bad path points\n");
1514 transform_and_round_points(graphics, pti, ptcopy, count);
1516 for(i = 0; i < count; i++){
1517 tp[i] = convert_path_point_type(types[i]);
1520 PolyDraw(graphics->hdc, pti, tp, count);
1532 GpStatus trace_path(GpGraphics *graphics, GpPath *path)
1536 BeginPath(graphics->hdc);
1537 result = draw_poly(graphics, NULL, path->pathdata.Points,
1538 path->pathdata.Types, path->pathdata.Count, FALSE);
1539 EndPath(graphics->hdc);
1543 typedef struct _GraphicsContainerItem {
1545 GraphicsContainer contid;
1547 SmoothingMode smoothing;
1548 CompositingQuality compqual;
1549 InterpolationMode interpolation;
1550 CompositingMode compmode;
1551 TextRenderingHint texthint;
1554 PixelOffsetMode pixeloffset;
1556 GpMatrix* worldtrans;
1558 } GraphicsContainerItem;
1560 static GpStatus init_container(GraphicsContainerItem** container,
1561 GDIPCONST GpGraphics* graphics){
1564 *container = GdipAlloc(sizeof(GraphicsContainerItem));
1568 (*container)->contid = graphics->contid + 1;
1570 (*container)->smoothing = graphics->smoothing;
1571 (*container)->compqual = graphics->compqual;
1572 (*container)->interpolation = graphics->interpolation;
1573 (*container)->compmode = graphics->compmode;
1574 (*container)->texthint = graphics->texthint;
1575 (*container)->scale = graphics->scale;
1576 (*container)->unit = graphics->unit;
1577 (*container)->textcontrast = graphics->textcontrast;
1578 (*container)->pixeloffset = graphics->pixeloffset;
1580 sts = GdipCloneMatrix(graphics->worldtrans, &(*container)->worldtrans);
1582 GdipFree(*container);
1587 sts = GdipCloneRegion(graphics->clip, &(*container)->clip);
1589 GdipDeleteMatrix((*container)->worldtrans);
1590 GdipFree(*container);
1598 static void delete_container(GraphicsContainerItem* container){
1599 GdipDeleteMatrix(container->worldtrans);
1600 GdipDeleteRegion(container->clip);
1601 GdipFree(container);
1604 static GpStatus restore_container(GpGraphics* graphics,
1605 GDIPCONST GraphicsContainerItem* container){
1610 sts = GdipCloneMatrix(container->worldtrans, &newTrans);
1614 sts = GdipCloneRegion(container->clip, &newClip);
1616 GdipDeleteMatrix(newTrans);
1620 GdipDeleteMatrix(graphics->worldtrans);
1621 graphics->worldtrans = newTrans;
1623 GdipDeleteRegion(graphics->clip);
1624 graphics->clip = newClip;
1626 graphics->contid = container->contid - 1;
1628 graphics->smoothing = container->smoothing;
1629 graphics->compqual = container->compqual;
1630 graphics->interpolation = container->interpolation;
1631 graphics->compmode = container->compmode;
1632 graphics->texthint = container->texthint;
1633 graphics->scale = container->scale;
1634 graphics->unit = container->unit;
1635 graphics->textcontrast = container->textcontrast;
1636 graphics->pixeloffset = container->pixeloffset;
1641 static GpStatus get_graphics_bounds(GpGraphics* graphics, GpRectF* rect)
1647 if(graphics->hwnd) {
1648 if(!GetClientRect(graphics->hwnd, &wnd_rect))
1649 return GenericError;
1651 rect->X = wnd_rect.left;
1652 rect->Y = wnd_rect.top;
1653 rect->Width = wnd_rect.right - wnd_rect.left;
1654 rect->Height = wnd_rect.bottom - wnd_rect.top;
1655 }else if (graphics->image){
1656 stat = GdipGetImageBounds(graphics->image, rect, &unit);
1657 if (stat == Ok && unit != UnitPixel)
1658 FIXME("need to convert from unit %i\n", unit);
1662 rect->Width = GetDeviceCaps(graphics->hdc, HORZRES);
1663 rect->Height = GetDeviceCaps(graphics->hdc, VERTRES);
1669 /* on success, rgn will contain the region of the graphics object which
1670 * is visible after clipping has been applied */
1671 static GpStatus get_visible_clip_region(GpGraphics *graphics, GpRegion *rgn)
1677 if((stat = get_graphics_bounds(graphics, &rectf)) != Ok)
1680 if((stat = GdipCreateRegion(&tmp)) != Ok)
1683 if((stat = GdipCombineRegionRect(tmp, &rectf, CombineModeReplace)) != Ok)
1686 if((stat = GdipCombineRegionRegion(tmp, graphics->clip, CombineModeIntersect)) != Ok)
1689 stat = GdipCombineRegionRegion(rgn, tmp, CombineModeReplace);
1692 GdipDeleteRegion(tmp);
1696 GpStatus WINGDIPAPI GdipCreateFromHDC(HDC hdc, GpGraphics **graphics)
1698 TRACE("(%p, %p)\n", hdc, graphics);
1700 return GdipCreateFromHDC2(hdc, NULL, graphics);
1703 GpStatus WINGDIPAPI GdipCreateFromHDC2(HDC hdc, HANDLE hDevice, GpGraphics **graphics)
1707 TRACE("(%p, %p, %p)\n", hdc, hDevice, graphics);
1709 if(hDevice != NULL) {
1710 FIXME("Don't know how to handle parameter hDevice\n");
1711 return NotImplemented;
1717 if(graphics == NULL)
1718 return InvalidParameter;
1720 *graphics = GdipAlloc(sizeof(GpGraphics));
1721 if(!*graphics) return OutOfMemory;
1723 if((retval = GdipCreateMatrix(&(*graphics)->worldtrans)) != Ok){
1724 GdipFree(*graphics);
1728 if((retval = GdipCreateRegion(&(*graphics)->clip)) != Ok){
1729 GdipFree((*graphics)->worldtrans);
1730 GdipFree(*graphics);
1734 (*graphics)->hdc = hdc;
1735 (*graphics)->hwnd = WindowFromDC(hdc);
1736 (*graphics)->owndc = FALSE;
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);
1754 GpStatus graphics_from_image(GpImage *image, GpGraphics **graphics)
1758 *graphics = GdipAlloc(sizeof(GpGraphics));
1759 if(!*graphics) return OutOfMemory;
1761 if((retval = GdipCreateMatrix(&(*graphics)->worldtrans)) != Ok){
1762 GdipFree(*graphics);
1766 if((retval = GdipCreateRegion(&(*graphics)->clip)) != Ok){
1767 GdipFree((*graphics)->worldtrans);
1768 GdipFree(*graphics);
1772 (*graphics)->hdc = NULL;
1773 (*graphics)->hwnd = NULL;
1774 (*graphics)->owndc = FALSE;
1775 (*graphics)->image = image;
1776 (*graphics)->smoothing = SmoothingModeDefault;
1777 (*graphics)->compqual = CompositingQualityDefault;
1778 (*graphics)->interpolation = InterpolationModeBilinear;
1779 (*graphics)->pixeloffset = PixelOffsetModeDefault;
1780 (*graphics)->compmode = CompositingModeSourceOver;
1781 (*graphics)->unit = UnitDisplay;
1782 (*graphics)->scale = 1.0;
1783 (*graphics)->busy = FALSE;
1784 (*graphics)->textcontrast = 4;
1785 list_init(&(*graphics)->containers);
1786 (*graphics)->contid = 0;
1788 TRACE("<-- %p\n", *graphics);
1793 GpStatus WINGDIPAPI GdipCreateFromHWND(HWND hwnd, GpGraphics **graphics)
1798 TRACE("(%p, %p)\n", hwnd, graphics);
1802 if((ret = GdipCreateFromHDC(hdc, graphics)) != Ok)
1804 ReleaseDC(hwnd, hdc);
1808 (*graphics)->hwnd = hwnd;
1809 (*graphics)->owndc = TRUE;
1814 /* FIXME: no icm handling */
1815 GpStatus WINGDIPAPI GdipCreateFromHWNDICM(HWND hwnd, GpGraphics **graphics)
1817 TRACE("(%p, %p)\n", hwnd, graphics);
1819 return GdipCreateFromHWND(hwnd, graphics);
1822 GpStatus WINGDIPAPI GdipCreateMetafileFromEmf(HENHMETAFILE hemf, BOOL delete,
1823 GpMetafile **metafile)
1827 TRACE("(%p,%i,%p)\n", hemf, delete, metafile);
1829 if(!hemf || !metafile)
1830 return InvalidParameter;
1833 FIXME("not implemented\n");
1835 return NotImplemented;
1838 GpStatus WINGDIPAPI GdipCreateMetafileFromWmf(HMETAFILE hwmf, BOOL delete,
1839 GDIPCONST WmfPlaceableFileHeader * placeable, GpMetafile **metafile)
1841 IStream *stream = NULL;
1845 GpStatus retval = Ok;
1847 TRACE("(%p, %d, %p, %p)\n", hwmf, delete, placeable, metafile);
1849 if(!hwmf || !metafile || !placeable)
1850 return InvalidParameter;
1853 read = GetMetaFileBitsEx(hwmf, 0, NULL);
1855 return GenericError;
1856 copy = GdipAlloc(read);
1857 GetMetaFileBitsEx(hwmf, read, copy);
1859 hemf = SetWinMetaFileBits(read, copy, NULL, NULL);
1862 read = GetEnhMetaFileBits(hemf, 0, NULL);
1863 copy = GdipAlloc(read);
1864 GetEnhMetaFileBits(hemf, read, copy);
1865 DeleteEnhMetaFile(hemf);
1867 if(CreateStreamOnHGlobal(copy, TRUE, &stream) != S_OK){
1868 ERR("could not make stream\n");
1870 retval = GenericError;
1874 *metafile = GdipAlloc(sizeof(GpMetafile));
1876 retval = OutOfMemory;
1880 if(OleLoadPicture(stream, 0, FALSE, &IID_IPicture,
1881 (LPVOID*) &((*metafile)->image.picture)) != S_OK)
1883 retval = GenericError;
1888 (*metafile)->image.type = ImageTypeMetafile;
1889 memcpy(&(*metafile)->image.format, &ImageFormatWMF, sizeof(GUID));
1890 (*metafile)->image.palette_flags = 0;
1891 (*metafile)->image.palette_count = 0;
1892 (*metafile)->image.palette_size = 0;
1893 (*metafile)->image.palette_entries = NULL;
1894 (*metafile)->image.xres = (REAL)placeable->Inch;
1895 (*metafile)->image.yres = (REAL)placeable->Inch;
1896 (*metafile)->bounds.X = ((REAL) placeable->BoundingBox.Left) / ((REAL) placeable->Inch);
1897 (*metafile)->bounds.Y = ((REAL) placeable->BoundingBox.Top) / ((REAL) placeable->Inch);
1898 (*metafile)->bounds.Width = ((REAL) (placeable->BoundingBox.Right
1899 - placeable->BoundingBox.Left));
1900 (*metafile)->bounds.Height = ((REAL) (placeable->BoundingBox.Bottom
1901 - placeable->BoundingBox.Top));
1902 (*metafile)->unit = UnitPixel;
1905 DeleteMetaFile(hwmf);
1907 TRACE("<-- %p\n", *metafile);
1911 GdipFree(*metafile);
1912 IStream_Release(stream);
1916 GpStatus WINGDIPAPI GdipCreateMetafileFromWmfFile(GDIPCONST WCHAR *file,
1917 GDIPCONST WmfPlaceableFileHeader * placeable, GpMetafile **metafile)
1919 HMETAFILE hmf = GetMetaFileW(file);
1921 TRACE("(%s, %p, %p)\n", debugstr_w(file), placeable, metafile);
1923 if(!hmf) return InvalidParameter;
1925 return GdipCreateMetafileFromWmf(hmf, TRUE, placeable, metafile);
1928 GpStatus WINGDIPAPI GdipCreateMetafileFromFile(GDIPCONST WCHAR *file,
1929 GpMetafile **metafile)
1931 FIXME("(%p, %p): stub\n", file, metafile);
1932 return NotImplemented;
1935 GpStatus WINGDIPAPI GdipCreateMetafileFromStream(IStream *stream,
1936 GpMetafile **metafile)
1938 FIXME("(%p, %p): stub\n", stream, metafile);
1939 return NotImplemented;
1942 GpStatus WINGDIPAPI GdipCreateStreamOnFile(GDIPCONST WCHAR * filename,
1943 UINT access, IStream **stream)
1948 TRACE("(%s, %u, %p)\n", debugstr_w(filename), access, stream);
1950 if(!stream || !filename)
1951 return InvalidParameter;
1953 if(access & GENERIC_WRITE)
1954 dwMode = STGM_SHARE_DENY_WRITE | STGM_WRITE | STGM_CREATE;
1955 else if(access & GENERIC_READ)
1956 dwMode = STGM_SHARE_DENY_WRITE | STGM_READ | STGM_FAILIFTHERE;
1958 return InvalidParameter;
1960 ret = SHCreateStreamOnFileW(filename, dwMode, stream);
1962 return hresult_to_status(ret);
1965 GpStatus WINGDIPAPI GdipDeleteGraphics(GpGraphics *graphics)
1967 GraphicsContainerItem *cont, *next;
1968 TRACE("(%p)\n", graphics);
1970 if(!graphics) return InvalidParameter;
1971 if(graphics->busy) return ObjectBusy;
1974 ReleaseDC(graphics->hwnd, graphics->hdc);
1976 LIST_FOR_EACH_ENTRY_SAFE(cont, next, &graphics->containers, GraphicsContainerItem, entry){
1977 list_remove(&cont->entry);
1978 delete_container(cont);
1981 GdipDeleteRegion(graphics->clip);
1982 GdipDeleteMatrix(graphics->worldtrans);
1988 GpStatus WINGDIPAPI GdipDrawArc(GpGraphics *graphics, GpPen *pen, REAL x,
1989 REAL y, REAL width, REAL height, REAL startAngle, REAL sweepAngle)
1991 INT save_state, num_pts;
1992 GpPointF points[MAX_ARC_PTS];
1995 TRACE("(%p, %p, %.2f, %.2f, %.2f, %.2f, %.2f, %.2f)\n", graphics, pen, x, y,
1996 width, height, startAngle, sweepAngle);
1998 if(!graphics || !pen || width <= 0 || height <= 0)
1999 return InvalidParameter;
2006 FIXME("graphics object has no HDC\n");
2010 num_pts = arc2polybezier(points, x, y, width, height, startAngle, sweepAngle);
2012 save_state = prepare_dc(graphics, pen);
2014 retval = draw_polybezier(graphics, pen, points, num_pts, TRUE);
2016 restore_dc(graphics, save_state);
2021 GpStatus WINGDIPAPI GdipDrawArcI(GpGraphics *graphics, GpPen *pen, INT x,
2022 INT y, INT width, INT height, REAL startAngle, REAL sweepAngle)
2024 TRACE("(%p, %p, %d, %d, %d, %d, %.2f, %.2f)\n", graphics, pen, x, y,
2025 width, height, startAngle, sweepAngle);
2027 return GdipDrawArc(graphics,pen,(REAL)x,(REAL)y,(REAL)width,(REAL)height,startAngle,sweepAngle);
2030 GpStatus WINGDIPAPI GdipDrawBezier(GpGraphics *graphics, GpPen *pen, REAL x1,
2031 REAL y1, REAL x2, REAL y2, REAL x3, REAL y3, REAL x4, REAL y4)
2037 TRACE("(%p, %p, %.2f, %.2f, %.2f, %.2f, %.2f, %.2f, %.2f, %.2f)\n", graphics, pen, x1, y1,
2038 x2, y2, x3, y3, x4, y4);
2040 if(!graphics || !pen)
2041 return InvalidParameter;
2048 FIXME("graphics object has no HDC\n");
2061 save_state = prepare_dc(graphics, pen);
2063 retval = draw_polybezier(graphics, pen, pt, 4, TRUE);
2065 restore_dc(graphics, save_state);
2070 GpStatus WINGDIPAPI GdipDrawBezierI(GpGraphics *graphics, GpPen *pen, INT x1,
2071 INT y1, INT x2, INT y2, INT x3, INT y3, INT x4, INT y4)
2077 TRACE("(%p, %p, %d, %d, %d, %d, %d, %d, %d, %d)\n", graphics, pen, x1, y1,
2078 x2, y2, x3, y3, x4, y4);
2080 if(!graphics || !pen)
2081 return InvalidParameter;
2088 FIXME("graphics object has no HDC\n");
2101 save_state = prepare_dc(graphics, pen);
2103 retval = draw_polybezier(graphics, pen, pt, 4, TRUE);
2105 restore_dc(graphics, save_state);
2110 GpStatus WINGDIPAPI GdipDrawBeziers(GpGraphics *graphics, GpPen *pen,
2111 GDIPCONST GpPointF *points, INT count)
2116 TRACE("(%p, %p, %p, %d)\n", graphics, pen, points, count);
2118 if(!graphics || !pen || !points || (count <= 0))
2119 return InvalidParameter;
2124 for(i = 0; i < floor(count / 4); i++){
2125 ret = GdipDrawBezier(graphics, pen,
2126 points[4*i].X, points[4*i].Y,
2127 points[4*i + 1].X, points[4*i + 1].Y,
2128 points[4*i + 2].X, points[4*i + 2].Y,
2129 points[4*i + 3].X, points[4*i + 3].Y);
2137 GpStatus WINGDIPAPI GdipDrawBeziersI(GpGraphics *graphics, GpPen *pen,
2138 GDIPCONST GpPoint *points, INT count)
2144 TRACE("(%p, %p, %p, %d)\n", graphics, pen, points, count);
2146 if(!graphics || !pen || !points || (count <= 0))
2147 return InvalidParameter;
2152 pts = GdipAlloc(sizeof(GpPointF) * count);
2156 for(i = 0; i < count; i++){
2157 pts[i].X = (REAL)points[i].X;
2158 pts[i].Y = (REAL)points[i].Y;
2161 ret = GdipDrawBeziers(graphics,pen,pts,count);
2168 GpStatus WINGDIPAPI GdipDrawClosedCurve(GpGraphics *graphics, GpPen *pen,
2169 GDIPCONST GpPointF *points, INT count)
2171 TRACE("(%p, %p, %p, %d)\n", graphics, pen, points, count);
2173 return GdipDrawClosedCurve2(graphics, pen, points, count, 1.0);
2176 GpStatus WINGDIPAPI GdipDrawClosedCurveI(GpGraphics *graphics, GpPen *pen,
2177 GDIPCONST GpPoint *points, INT count)
2179 TRACE("(%p, %p, %p, %d)\n", graphics, pen, points, count);
2181 return GdipDrawClosedCurve2I(graphics, pen, points, count, 1.0);
2184 GpStatus WINGDIPAPI GdipDrawClosedCurve2(GpGraphics *graphics, GpPen *pen,
2185 GDIPCONST GpPointF *points, INT count, REAL tension)
2190 TRACE("(%p, %p, %p, %d, %.2f)\n", graphics, pen, points, count, tension);
2192 if(!graphics || !pen || !points || count <= 0)
2193 return InvalidParameter;
2198 if((stat = GdipCreatePath(FillModeAlternate, &path)) != Ok)
2201 stat = GdipAddPathClosedCurve2(path, points, count, tension);
2203 GdipDeletePath(path);
2207 stat = GdipDrawPath(graphics, pen, path);
2209 GdipDeletePath(path);
2214 GpStatus WINGDIPAPI GdipDrawClosedCurve2I(GpGraphics *graphics, GpPen *pen,
2215 GDIPCONST GpPoint *points, INT count, REAL tension)
2221 TRACE("(%p, %p, %p, %d, %.2f)\n", graphics, pen, points, count, tension);
2223 if(!points || count <= 0)
2224 return InvalidParameter;
2226 ptf = GdipAlloc(sizeof(GpPointF)*count);
2230 for(i = 0; i < count; i++){
2231 ptf[i].X = (REAL)points[i].X;
2232 ptf[i].Y = (REAL)points[i].Y;
2235 stat = GdipDrawClosedCurve2(graphics, pen, ptf, count, tension);
2242 GpStatus WINGDIPAPI GdipDrawCurve(GpGraphics *graphics, GpPen *pen,
2243 GDIPCONST GpPointF *points, INT count)
2245 TRACE("(%p, %p, %p, %d)\n", graphics, pen, points, count);
2247 return GdipDrawCurve2(graphics,pen,points,count,1.0);
2250 GpStatus WINGDIPAPI GdipDrawCurveI(GpGraphics *graphics, GpPen *pen,
2251 GDIPCONST GpPoint *points, INT count)
2257 TRACE("(%p, %p, %p, %d)\n", graphics, pen, points, count);
2260 return InvalidParameter;
2262 pointsF = GdipAlloc(sizeof(GpPointF)*count);
2266 for(i = 0; i < count; i++){
2267 pointsF[i].X = (REAL)points[i].X;
2268 pointsF[i].Y = (REAL)points[i].Y;
2271 ret = GdipDrawCurve(graphics,pen,pointsF,count);
2277 /* Approximates cardinal spline with Bezier curves. */
2278 GpStatus WINGDIPAPI GdipDrawCurve2(GpGraphics *graphics, GpPen *pen,
2279 GDIPCONST GpPointF *points, INT count, REAL tension)
2281 /* PolyBezier expects count*3-2 points. */
2282 INT i, len_pt = count*3-2, save_state;
2284 REAL x1, x2, y1, y2;
2287 TRACE("(%p, %p, %p, %d, %.2f)\n", graphics, pen, points, count, tension);
2289 if(!graphics || !pen)
2290 return InvalidParameter;
2296 return InvalidParameter;
2300 FIXME("graphics object has no HDC\n");
2304 pt = GdipAlloc(len_pt * sizeof(GpPointF));
2308 tension = tension * TENSION_CONST;
2310 calc_curve_bezier_endp(points[0].X, points[0].Y, points[1].X, points[1].Y,
2313 pt[0].X = points[0].X;
2314 pt[0].Y = points[0].Y;
2318 for(i = 0; i < count-2; i++){
2319 calc_curve_bezier(&(points[i]), tension, &x1, &y1, &x2, &y2);
2323 pt[3*i+3].X = points[i+1].X;
2324 pt[3*i+3].Y = points[i+1].Y;
2329 calc_curve_bezier_endp(points[count-1].X, points[count-1].Y,
2330 points[count-2].X, points[count-2].Y, tension, &x1, &y1);
2332 pt[len_pt-2].X = x1;
2333 pt[len_pt-2].Y = y1;
2334 pt[len_pt-1].X = points[count-1].X;
2335 pt[len_pt-1].Y = points[count-1].Y;
2337 save_state = prepare_dc(graphics, pen);
2339 retval = draw_polybezier(graphics, pen, pt, len_pt, TRUE);
2342 restore_dc(graphics, save_state);
2347 GpStatus WINGDIPAPI GdipDrawCurve2I(GpGraphics *graphics, GpPen *pen,
2348 GDIPCONST GpPoint *points, INT count, REAL tension)
2354 TRACE("(%p, %p, %p, %d, %.2f)\n", graphics, pen, points, count, tension);
2357 return InvalidParameter;
2359 pointsF = GdipAlloc(sizeof(GpPointF)*count);
2363 for(i = 0; i < count; i++){
2364 pointsF[i].X = (REAL)points[i].X;
2365 pointsF[i].Y = (REAL)points[i].Y;
2368 ret = GdipDrawCurve2(graphics,pen,pointsF,count,tension);
2374 GpStatus WINGDIPAPI GdipDrawCurve3(GpGraphics *graphics, GpPen *pen,
2375 GDIPCONST GpPointF *points, INT count, INT offset, INT numberOfSegments,
2378 TRACE("(%p, %p, %p, %d, %d, %d, %.2f)\n", graphics, pen, points, count, offset, numberOfSegments, tension);
2380 if(offset >= count || numberOfSegments > count - offset - 1 || numberOfSegments <= 0){
2381 return InvalidParameter;
2384 return GdipDrawCurve2(graphics, pen, points + offset, numberOfSegments + 1, tension);
2387 GpStatus WINGDIPAPI GdipDrawCurve3I(GpGraphics *graphics, GpPen *pen,
2388 GDIPCONST GpPoint *points, INT count, INT offset, INT numberOfSegments,
2391 TRACE("(%p, %p, %p, %d, %d, %d, %.2f)\n", graphics, pen, points, count, offset, numberOfSegments, tension);
2397 if(offset >= count || numberOfSegments > count - offset - 1 || numberOfSegments <= 0){
2398 return InvalidParameter;
2401 return GdipDrawCurve2I(graphics, pen, points + offset, numberOfSegments + 1, tension);
2404 GpStatus WINGDIPAPI GdipDrawEllipse(GpGraphics *graphics, GpPen *pen, REAL x,
2405 REAL y, REAL width, REAL height)
2411 TRACE("(%p, %p, %.2f, %.2f, %.2f, %.2f)\n", graphics, pen, x, y, width, height);
2413 if(!graphics || !pen)
2414 return InvalidParameter;
2421 FIXME("graphics object has no HDC\n");
2427 ptf[1].X = x + width;
2428 ptf[1].Y = y + height;
2430 save_state = prepare_dc(graphics, pen);
2431 SelectObject(graphics->hdc, GetStockObject(NULL_BRUSH));
2433 transform_and_round_points(graphics, pti, ptf, 2);
2435 Ellipse(graphics->hdc, pti[0].x, pti[0].y, pti[1].x, pti[1].y);
2437 restore_dc(graphics, save_state);
2442 GpStatus WINGDIPAPI GdipDrawEllipseI(GpGraphics *graphics, GpPen *pen, INT x,
2443 INT y, INT width, INT height)
2445 TRACE("(%p, %p, %d, %d, %d, %d)\n", graphics, pen, x, y, width, height);
2447 return GdipDrawEllipse(graphics,pen,(REAL)x,(REAL)y,(REAL)width,(REAL)height);
2451 GpStatus WINGDIPAPI GdipDrawImage(GpGraphics *graphics, GpImage *image, REAL x, REAL y)
2456 TRACE("(%p, %p, %.2f, %.2f)\n", graphics, image, x, y);
2458 if(!graphics || !image)
2459 return InvalidParameter;
2461 GdipGetImageWidth(image, &width);
2462 GdipGetImageHeight(image, &height);
2464 /* FIXME: we should use the graphics and image dpi, somehow */
2466 points[0].X = points[2].X = x;
2467 points[0].Y = points[1].Y = y;
2468 points[1].X = x + width;
2469 points[2].Y = y + height;
2471 return GdipDrawImagePointsRect(graphics, image, points, 3, 0, 0, width, height,
2472 UnitPixel, NULL, NULL, NULL);
2475 GpStatus WINGDIPAPI GdipDrawImageI(GpGraphics *graphics, GpImage *image, INT x,
2478 TRACE("(%p, %p, %d, %d)\n", graphics, image, x, y);
2480 return GdipDrawImage(graphics, image, (REAL)x, (REAL)y);
2483 GpStatus WINGDIPAPI GdipDrawImagePointRect(GpGraphics *graphics, GpImage *image,
2484 REAL x, REAL y, REAL srcx, REAL srcy, REAL srcwidth, REAL srcheight,
2488 TRACE("(%p, %p, %f, %f, %f, %f, %f, %f, %d)\n", graphics, image, x, y, srcx, srcy, srcwidth, srcheight, srcUnit);
2490 points[0].X = points[2].X = x;
2491 points[0].Y = points[1].Y = y;
2493 /* FIXME: convert image coordinates to Graphics coordinates? */
2494 points[1].X = x + srcwidth;
2495 points[2].Y = y + srcheight;
2497 return GdipDrawImagePointsRect(graphics, image, points, 3, srcx, srcy,
2498 srcwidth, srcheight, srcUnit, NULL, NULL, NULL);
2501 GpStatus WINGDIPAPI GdipDrawImagePointRectI(GpGraphics *graphics, GpImage *image,
2502 INT x, INT y, INT srcx, INT srcy, INT srcwidth, INT srcheight,
2505 return GdipDrawImagePointRect(graphics, image, x, y, srcx, srcy, srcwidth, srcheight, srcUnit);
2508 GpStatus WINGDIPAPI GdipDrawImagePoints(GpGraphics *graphics, GpImage *image,
2509 GDIPCONST GpPointF *dstpoints, INT count)
2511 FIXME("(%p, %p, %p, %d): stub\n", graphics, image, dstpoints, count);
2512 return NotImplemented;
2515 GpStatus WINGDIPAPI GdipDrawImagePointsI(GpGraphics *graphics, GpImage *image,
2516 GDIPCONST GpPoint *dstpoints, INT count)
2518 FIXME("(%p, %p, %p, %d): stub\n", graphics, image, dstpoints, count);
2519 return NotImplemented;
2522 GpStatus WINGDIPAPI GdipDrawImagePointsRect(GpGraphics *graphics, GpImage *image,
2523 GDIPCONST GpPointF *points, INT count, REAL srcx, REAL srcy, REAL srcwidth,
2524 REAL srcheight, GpUnit srcUnit, GDIPCONST GpImageAttributes* imageAttributes,
2525 DrawImageAbort callback, VOID * callbackData)
2532 TRACE("(%p, %p, %p, %d, %f, %f, %f, %f, %d, %p, %p, %p)\n", graphics, image, points,
2533 count, srcx, srcy, srcwidth, srcheight, srcUnit, imageAttributes, callback,
2537 return NotImplemented;
2539 if(!graphics || !image || !points || count != 3)
2540 return InvalidParameter;
2542 TRACE("%s %s %s\n", debugstr_pointf(&points[0]), debugstr_pointf(&points[1]),
2543 debugstr_pointf(&points[2]));
2545 memcpy(ptf, points, 3 * sizeof(GpPointF));
2546 ptf[3].X = ptf[2].X + ptf[1].X - ptf[0].X;
2547 ptf[3].Y = ptf[2].Y + ptf[1].Y - ptf[0].Y;
2548 if (!srcwidth || !srcheight || ptf[3].X == ptf[0].X || ptf[3].Y == ptf[0].Y)
2550 transform_and_round_points(graphics, pti, ptf, 4);
2556 FIXME("graphics object has no HDC\n");
2559 /* FIXME: partially implemented (only works for rectangular parallelograms) */
2560 if(srcUnit == UnitInch)
2561 dx = dy = (REAL) INCH_HIMETRIC;
2562 else if(srcUnit == UnitPixel){
2563 dx = ((REAL) INCH_HIMETRIC) /
2564 ((REAL) GetDeviceCaps(graphics->hdc, LOGPIXELSX));
2565 dy = ((REAL) INCH_HIMETRIC) /
2566 ((REAL) GetDeviceCaps(graphics->hdc, LOGPIXELSY));
2569 return NotImplemented;
2571 if(IPicture_Render(image->picture, graphics->hdc,
2572 pti[0].x, pti[0].y, pti[1].x - pti[0].x, pti[2].y - pti[0].y,
2573 srcx * dx, srcy * dy,
2574 srcwidth * dx, srcheight * dy,
2577 callback(callbackData);
2578 return GenericError;
2581 else if (image->type == ImageTypeBitmap)
2583 GpBitmap* bitmap = (GpBitmap*)image;
2586 if (srcUnit == UnitInch)
2587 dx = dy = 96.0; /* FIXME: use the image resolution */
2588 else if (srcUnit == UnitPixel)
2591 return NotImplemented;
2595 srcwidth = srcwidth * dx;
2596 srcheight = srcheight * dy;
2598 if (imageAttributes ||
2599 (graphics->image && graphics->image->type == ImageTypeBitmap) ||
2600 !((GpBitmap*)image)->hbitmap ||
2601 ptf[1].Y != ptf[0].Y || ptf[2].X != ptf[0].X ||
2602 ptf[1].X - ptf[0].X != srcwidth || ptf[2].Y - ptf[0].Y != srcheight ||
2603 srcx < 0 || srcy < 0 ||
2604 srcx + srcwidth > bitmap->width || srcy + srcheight > bitmap->height)
2611 int i, x, y, src_stride, dst_stride;
2612 GpMatrix *dst_to_src;
2613 REAL m11, m12, m21, m22, mdx, mdy;
2614 LPBYTE src_data, dst_data;
2615 BitmapData lockeddata;
2616 InterpolationMode interpolation = graphics->interpolation;
2617 GpPointF dst_to_src_points[3] = {{0.0, 0.0}, {1.0, 0.0}, {0.0, 1.0}};
2618 REAL x_dx, x_dy, y_dx, y_dy;
2619 static const GpImageAttributes defaultImageAttributes = {WrapModeClamp, 0, FALSE};
2621 if (!imageAttributes)
2622 imageAttributes = &defaultImageAttributes;
2624 dst_area.left = dst_area.right = pti[0].x;
2625 dst_area.top = dst_area.bottom = pti[0].y;
2628 if (dst_area.left > pti[i].x) dst_area.left = pti[i].x;
2629 if (dst_area.right < pti[i].x) dst_area.right = pti[i].x;
2630 if (dst_area.top > pti[i].y) dst_area.top = pti[i].y;
2631 if (dst_area.bottom < pti[i].y) dst_area.bottom = pti[i].y;
2634 m11 = (ptf[1].X - ptf[0].X) / srcwidth;
2635 m21 = (ptf[2].X - ptf[0].X) / srcheight;
2636 mdx = ptf[0].X - m11 * srcx - m21 * srcy;
2637 m12 = (ptf[1].Y - ptf[0].Y) / srcwidth;
2638 m22 = (ptf[2].Y - ptf[0].Y) / srcheight;
2639 mdy = ptf[0].Y - m12 * srcx - m22 * srcy;
2641 stat = GdipCreateMatrix2(m11, m12, m21, m22, mdx, mdy, &dst_to_src);
2642 if (stat != Ok) return stat;
2644 stat = GdipInvertMatrix(dst_to_src);
2647 GdipDeleteMatrix(dst_to_src);
2651 dst_data = GdipAlloc(sizeof(ARGB) * (dst_area.right - dst_area.left) * (dst_area.bottom - dst_area.top));
2654 GdipDeleteMatrix(dst_to_src);
2658 dst_stride = sizeof(ARGB) * (dst_area.right - dst_area.left);
2660 get_bitmap_sample_size(interpolation, imageAttributes->wrap,
2661 bitmap, srcx, srcy, srcwidth, srcheight, &src_area);
2663 src_data = GdipAlloc(sizeof(ARGB) * src_area.Width * src_area.Height);
2667 GdipDeleteMatrix(dst_to_src);
2670 src_stride = sizeof(ARGB) * src_area.Width;
2672 /* Read the bits we need from the source bitmap into an ARGB buffer. */
2673 lockeddata.Width = src_area.Width;
2674 lockeddata.Height = src_area.Height;
2675 lockeddata.Stride = src_stride;
2676 lockeddata.PixelFormat = PixelFormat32bppARGB;
2677 lockeddata.Scan0 = src_data;
2679 stat = GdipBitmapLockBits(bitmap, &src_area, ImageLockModeRead|ImageLockModeUserInputBuf,
2680 PixelFormat32bppARGB, &lockeddata);
2683 stat = GdipBitmapUnlockBits(bitmap, &lockeddata);
2687 if (src_data != dst_data)
2690 GdipDeleteMatrix(dst_to_src);
2694 apply_image_attributes(imageAttributes, src_data,
2695 src_area.Width, src_area.Height,
2696 src_stride, ColorAdjustTypeBitmap);
2698 /* Transform the bits as needed to the destination. */
2699 GdipTransformMatrixPoints(dst_to_src, dst_to_src_points, 3);
2701 x_dx = dst_to_src_points[1].X - dst_to_src_points[0].X;
2702 x_dy = dst_to_src_points[1].Y - dst_to_src_points[0].Y;
2703 y_dx = dst_to_src_points[2].X - dst_to_src_points[0].X;
2704 y_dy = dst_to_src_points[2].Y - dst_to_src_points[0].Y;
2706 for (x=dst_area.left; x<dst_area.right; x++)
2708 for (y=dst_area.top; y<dst_area.bottom; y++)
2710 GpPointF src_pointf;
2713 src_pointf.X = dst_to_src_points[0].X + x * x_dx + y * y_dx;
2714 src_pointf.Y = dst_to_src_points[0].Y + x * x_dy + y * y_dy;
2716 dst_color = (ARGB*)(dst_data + dst_stride * (y - dst_area.top) + sizeof(ARGB) * (x - dst_area.left));
2718 if (src_pointf.X >= srcx && src_pointf.X < srcx + srcwidth && src_pointf.Y >= srcy && src_pointf.Y < srcy+srcheight)
2719 *dst_color = resample_bitmap_pixel(&src_area, src_data, bitmap->width, bitmap->height, &src_pointf, imageAttributes, interpolation);
2725 GdipDeleteMatrix(dst_to_src);
2729 stat = alpha_blend_pixels(graphics, dst_area.left, dst_area.top,
2730 dst_data, dst_area.right - dst_area.left, dst_area.bottom - dst_area.top, dst_stride);
2739 int temp_hdc=0, temp_bitmap=0;
2740 HBITMAP hbitmap, old_hbm=NULL;
2742 if (!(bitmap->format == PixelFormat16bppRGB555 ||
2743 bitmap->format == PixelFormat24bppRGB ||
2744 bitmap->format == PixelFormat32bppRGB ||
2745 bitmap->format == PixelFormat32bppPARGB))
2747 BITMAPINFOHEADER bih;
2749 PixelFormat dst_format;
2751 /* we can't draw a bitmap of this format directly */
2752 hdc = CreateCompatibleDC(0);
2756 bih.biSize = sizeof(BITMAPINFOHEADER);
2757 bih.biWidth = bitmap->width;
2758 bih.biHeight = -bitmap->height;
2760 bih.biBitCount = 32;
2761 bih.biCompression = BI_RGB;
2762 bih.biSizeImage = 0;
2763 bih.biXPelsPerMeter = 0;
2764 bih.biYPelsPerMeter = 0;
2766 bih.biClrImportant = 0;
2768 hbitmap = CreateDIBSection(hdc, (BITMAPINFO*)&bih, DIB_RGB_COLORS,
2769 (void**)&temp_bits, NULL, 0);
2771 if (bitmap->format & (PixelFormatAlpha|PixelFormatPAlpha))
2772 dst_format = PixelFormat32bppPARGB;
2774 dst_format = PixelFormat32bppRGB;
2776 convert_pixels(bitmap->width, bitmap->height,
2777 bitmap->width*4, temp_bits, dst_format,
2778 bitmap->stride, bitmap->bits, bitmap->format, bitmap->image.palette_entries);
2782 hbitmap = bitmap->hbitmap;
2784 temp_hdc = (hdc == 0);
2789 if (!hdc) hdc = CreateCompatibleDC(0);
2790 old_hbm = SelectObject(hdc, hbitmap);
2793 if (bitmap->format & (PixelFormatAlpha|PixelFormatPAlpha))
2797 bf.BlendOp = AC_SRC_OVER;
2799 bf.SourceConstantAlpha = 255;
2800 bf.AlphaFormat = AC_SRC_ALPHA;
2802 GdiAlphaBlend(graphics->hdc, pti[0].x, pti[0].y, pti[1].x-pti[0].x, pti[2].y-pti[0].y,
2803 hdc, srcx, srcy, srcwidth, srcheight, bf);
2807 StretchBlt(graphics->hdc, pti[0].x, pti[0].y, pti[1].x-pti[0].x, pti[2].y-pti[0].y,
2808 hdc, srcx, srcy, srcwidth, srcheight, SRCCOPY);
2813 SelectObject(hdc, old_hbm);
2818 DeleteObject(hbitmap);
2823 ERR("GpImage with no IPicture or HBITMAP?!\n");
2824 return NotImplemented;
2830 GpStatus WINGDIPAPI GdipDrawImagePointsRectI(GpGraphics *graphics, GpImage *image,
2831 GDIPCONST GpPoint *points, INT count, INT srcx, INT srcy, INT srcwidth,
2832 INT srcheight, GpUnit srcUnit, GDIPCONST GpImageAttributes* imageAttributes,
2833 DrawImageAbort callback, VOID * callbackData)
2835 GpPointF pointsF[3];
2838 TRACE("(%p, %p, %p, %d, %d, %d, %d, %d, %d, %p, %p, %p)\n", graphics, image, points, count,
2839 srcx, srcy, srcwidth, srcheight, srcUnit, imageAttributes, callback,
2842 if(!points || count!=3)
2843 return InvalidParameter;
2845 for(i = 0; i < count; i++){
2846 pointsF[i].X = (REAL)points[i].X;
2847 pointsF[i].Y = (REAL)points[i].Y;
2850 return GdipDrawImagePointsRect(graphics, image, pointsF, count, (REAL)srcx, (REAL)srcy,
2851 (REAL)srcwidth, (REAL)srcheight, srcUnit, imageAttributes,
2852 callback, callbackData);
2855 GpStatus WINGDIPAPI GdipDrawImageRectRect(GpGraphics *graphics, GpImage *image,
2856 REAL dstx, REAL dsty, REAL dstwidth, REAL dstheight, REAL srcx, REAL srcy,
2857 REAL srcwidth, REAL srcheight, GpUnit srcUnit,
2858 GDIPCONST GpImageAttributes* imageattr, DrawImageAbort callback,
2859 VOID * callbackData)
2863 TRACE("(%p, %p, %.2f, %.2f, %.2f, %.2f, %.2f, %.2f, %.2f, %.2f, %d, %p, %p, %p)\n",
2864 graphics, image, dstx, dsty, dstwidth, dstheight, srcx, srcy,
2865 srcwidth, srcheight, srcUnit, imageattr, callback, callbackData);
2869 points[1].X = dstx + dstwidth;
2872 points[2].Y = dsty + dstheight;
2874 return GdipDrawImagePointsRect(graphics, image, points, 3, srcx, srcy,
2875 srcwidth, srcheight, srcUnit, imageattr, callback, callbackData);
2878 GpStatus WINGDIPAPI GdipDrawImageRectRectI(GpGraphics *graphics, GpImage *image,
2879 INT dstx, INT dsty, INT dstwidth, INT dstheight, INT srcx, INT srcy,
2880 INT srcwidth, INT srcheight, GpUnit srcUnit,
2881 GDIPCONST GpImageAttributes* imageAttributes, DrawImageAbort callback,
2882 VOID * callbackData)
2886 TRACE("(%p, %p, %d, %d, %d, %d, %d, %d, %d, %d, %d, %p, %p, %p)\n",
2887 graphics, image, dstx, dsty, dstwidth, dstheight, srcx, srcy,
2888 srcwidth, srcheight, srcUnit, imageAttributes, callback, callbackData);
2892 points[1].X = dstx + dstwidth;
2895 points[2].Y = dsty + dstheight;
2897 return GdipDrawImagePointsRect(graphics, image, points, 3, srcx, srcy,
2898 srcwidth, srcheight, srcUnit, imageAttributes, callback, callbackData);
2901 GpStatus WINGDIPAPI GdipDrawImageRect(GpGraphics *graphics, GpImage *image,
2902 REAL x, REAL y, REAL width, REAL height)
2908 TRACE("(%p, %p, %.2f, %.2f, %.2f, %.2f)\n", graphics, image, x, y, width, height);
2910 if(!graphics || !image)
2911 return InvalidParameter;
2913 ret = GdipGetImageBounds(image, &bounds, &unit);
2917 return GdipDrawImageRectRect(graphics, image, x, y, width, height,
2918 bounds.X, bounds.Y, bounds.Width, bounds.Height,
2919 unit, NULL, NULL, NULL);
2922 GpStatus WINGDIPAPI GdipDrawImageRectI(GpGraphics *graphics, GpImage *image,
2923 INT x, INT y, INT width, INT height)
2925 TRACE("(%p, %p, %d, %d, %d, %d)\n", graphics, image, x, y, width, height);
2927 return GdipDrawImageRect(graphics, image, (REAL)x, (REAL)y, (REAL)width, (REAL)height);
2930 GpStatus WINGDIPAPI GdipDrawLine(GpGraphics *graphics, GpPen *pen, REAL x1,
2931 REAL y1, REAL x2, REAL y2)
2937 TRACE("(%p, %p, %.2f, %.2f, %.2f, %.2f)\n", graphics, pen, x1, y1, x2, y2);
2939 if(!pen || !graphics)
2940 return InvalidParameter;
2947 FIXME("graphics object has no HDC\n");
2956 save_state = prepare_dc(graphics, pen);
2958 retval = draw_polyline(graphics, pen, pt, 2, TRUE);
2960 restore_dc(graphics, save_state);
2965 GpStatus WINGDIPAPI GdipDrawLineI(GpGraphics *graphics, GpPen *pen, INT x1,
2966 INT y1, INT x2, INT y2)
2972 TRACE("(%p, %p, %d, %d, %d, %d)\n", graphics, pen, x1, y1, x2, y2);
2974 if(!pen || !graphics)
2975 return InvalidParameter;
2982 FIXME("graphics object has no HDC\n");
2991 save_state = prepare_dc(graphics, pen);
2993 retval = draw_polyline(graphics, pen, pt, 2, TRUE);
2995 restore_dc(graphics, save_state);
3000 GpStatus WINGDIPAPI GdipDrawLines(GpGraphics *graphics, GpPen *pen, GDIPCONST
3001 GpPointF *points, INT count)
3006 TRACE("(%p, %p, %p, %d)\n", graphics, pen, points, count);
3008 if(!pen || !graphics || (count < 2))
3009 return InvalidParameter;
3016 FIXME("graphics object has no HDC\n");
3020 save_state = prepare_dc(graphics, pen);
3022 retval = draw_polyline(graphics, pen, points, count, TRUE);
3024 restore_dc(graphics, save_state);
3029 GpStatus WINGDIPAPI GdipDrawLinesI(GpGraphics *graphics, GpPen *pen, GDIPCONST
3030 GpPoint *points, INT count)
3034 GpPointF *ptf = NULL;
3037 TRACE("(%p, %p, %p, %d)\n", graphics, pen, points, count);
3039 if(!pen || !graphics || (count < 2))
3040 return InvalidParameter;
3047 FIXME("graphics object has no HDC\n");
3051 ptf = GdipAlloc(count * sizeof(GpPointF));
3052 if(!ptf) return OutOfMemory;
3054 for(i = 0; i < count; i ++){
3055 ptf[i].X = (REAL) points[i].X;
3056 ptf[i].Y = (REAL) points[i].Y;
3059 save_state = prepare_dc(graphics, pen);
3061 retval = draw_polyline(graphics, pen, ptf, count, TRUE);
3063 restore_dc(graphics, save_state);
3069 GpStatus WINGDIPAPI GdipDrawPath(GpGraphics *graphics, GpPen *pen, GpPath *path)
3074 TRACE("(%p, %p, %p)\n", graphics, pen, path);
3076 if(!pen || !graphics)
3077 return InvalidParameter;
3084 FIXME("graphics object has no HDC\n");
3088 save_state = prepare_dc(graphics, pen);
3090 retval = draw_poly(graphics, pen, path->pathdata.Points,
3091 path->pathdata.Types, path->pathdata.Count, TRUE);
3093 restore_dc(graphics, save_state);
3098 GpStatus WINGDIPAPI GdipDrawPie(GpGraphics *graphics, GpPen *pen, REAL x,
3099 REAL y, REAL width, REAL height, REAL startAngle, REAL sweepAngle)
3103 TRACE("(%p, %p, %.2f, %.2f, %.2f, %.2f, %.2f, %.2f)\n", graphics, pen, x, y,
3104 width, height, startAngle, sweepAngle);
3106 if(!graphics || !pen)
3107 return InvalidParameter;
3114 FIXME("graphics object has no HDC\n");
3118 save_state = prepare_dc(graphics, pen);
3119 SelectObject(graphics->hdc, GetStockObject(NULL_BRUSH));
3121 draw_pie(graphics, x, y, width, height, startAngle, sweepAngle);
3123 restore_dc(graphics, save_state);
3128 GpStatus WINGDIPAPI GdipDrawPieI(GpGraphics *graphics, GpPen *pen, INT x,
3129 INT y, INT width, INT height, REAL startAngle, REAL sweepAngle)
3131 TRACE("(%p, %p, %d, %d, %d, %d, %.2f, %.2f)\n", graphics, pen, x, y,
3132 width, height, startAngle, sweepAngle);
3134 return GdipDrawPie(graphics,pen,(REAL)x,(REAL)y,(REAL)width,(REAL)height,startAngle,sweepAngle);
3137 GpStatus WINGDIPAPI GdipDrawRectangle(GpGraphics *graphics, GpPen *pen, REAL x,
3138 REAL y, REAL width, REAL height)
3144 TRACE("(%p, %p, %.2f, %.2f, %.2f, %.2f)\n", graphics, pen, x, y, width, height);
3146 if(!pen || !graphics)
3147 return InvalidParameter;
3154 FIXME("graphics object has no HDC\n");
3160 ptf[1].X = x + width;
3162 ptf[2].X = x + width;
3163 ptf[2].Y = y + height;
3165 ptf[3].Y = y + height;
3167 save_state = prepare_dc(graphics, pen);
3168 SelectObject(graphics->hdc, GetStockObject(NULL_BRUSH));
3170 transform_and_round_points(graphics, pti, ptf, 4);
3171 Polygon(graphics->hdc, pti, 4);
3173 restore_dc(graphics, save_state);
3178 GpStatus WINGDIPAPI GdipDrawRectangleI(GpGraphics *graphics, GpPen *pen, INT x,
3179 INT y, INT width, INT height)
3181 TRACE("(%p, %p, %d, %d, %d, %d)\n", graphics, pen, x, y, width, height);
3183 return GdipDrawRectangle(graphics,pen,(REAL)x,(REAL)y,(REAL)width,(REAL)height);
3186 GpStatus WINGDIPAPI GdipDrawRectangles(GpGraphics *graphics, GpPen *pen,
3187 GDIPCONST GpRectF* rects, INT count)
3193 TRACE("(%p, %p, %p, %d)\n", graphics, pen, rects, count);
3195 if(!graphics || !pen || !rects || count < 1)
3196 return InvalidParameter;
3203 FIXME("graphics object has no HDC\n");
3207 ptf = GdipAlloc(4 * count * sizeof(GpPointF));
3208 pti = GdipAlloc(4 * count * sizeof(POINT));
3216 for(i = 0; i < count; i++){
3217 ptf[4 * i + 3].X = ptf[4 * i].X = rects[i].X;
3218 ptf[4 * i + 1].Y = ptf[4 * i].Y = rects[i].Y;
3219 ptf[4 * i + 2].X = ptf[4 * i + 1].X = rects[i].X + rects[i].Width;
3220 ptf[4 * i + 3].Y = ptf[4 * i + 2].Y = rects[i].Y + rects[i].Height;
3223 save_state = prepare_dc(graphics, pen);
3224 SelectObject(graphics->hdc, GetStockObject(NULL_BRUSH));
3226 transform_and_round_points(graphics, pti, ptf, 4 * count);
3228 for(i = 0; i < count; i++)
3229 Polygon(graphics->hdc, &pti[4 * i], 4);
3231 restore_dc(graphics, save_state);
3239 GpStatus WINGDIPAPI GdipDrawRectanglesI(GpGraphics *graphics, GpPen *pen,
3240 GDIPCONST GpRect* rects, INT count)
3246 TRACE("(%p, %p, %p, %d)\n", graphics, pen, rects, count);
3248 if(!rects || count<=0)
3249 return InvalidParameter;
3251 rectsF = GdipAlloc(sizeof(GpRectF) * count);
3255 for(i = 0;i < count;i++){
3256 rectsF[i].X = (REAL)rects[i].X;
3257 rectsF[i].Y = (REAL)rects[i].Y;
3258 rectsF[i].Width = (REAL)rects[i].Width;
3259 rectsF[i].Height = (REAL)rects[i].Height;
3262 ret = GdipDrawRectangles(graphics, pen, rectsF, count);
3268 GpStatus WINGDIPAPI GdipFillClosedCurve2(GpGraphics *graphics, GpBrush *brush,
3269 GDIPCONST GpPointF *points, INT count, REAL tension, GpFillMode fill)
3274 TRACE("(%p, %p, %p, %d, %.2f, %d)\n", graphics, brush, points,
3275 count, tension, fill);
3277 if(!graphics || !brush || !points)
3278 return InvalidParameter;
3283 if(count == 1) /* Do nothing */
3286 stat = GdipCreatePath(fill, &path);
3290 stat = GdipAddPathClosedCurve2(path, points, count, tension);
3292 GdipDeletePath(path);
3296 stat = GdipFillPath(graphics, brush, path);
3298 GdipDeletePath(path);
3302 GdipDeletePath(path);
3307 GpStatus WINGDIPAPI GdipFillClosedCurve2I(GpGraphics *graphics, GpBrush *brush,
3308 GDIPCONST GpPoint *points, INT count, REAL tension, GpFillMode fill)
3314 TRACE("(%p, %p, %p, %d, %.2f, %d)\n", graphics, brush, points,
3315 count, tension, fill);
3317 if(!points || count == 0)
3318 return InvalidParameter;
3320 if(count == 1) /* Do nothing */
3323 ptf = GdipAlloc(sizeof(GpPointF)*count);
3327 for(i = 0;i < count;i++){
3328 ptf[i].X = (REAL)points[i].X;
3329 ptf[i].Y = (REAL)points[i].Y;
3332 stat = GdipFillClosedCurve2(graphics, brush, ptf, count, tension, fill);
3339 GpStatus WINGDIPAPI GdipFillClosedCurve(GpGraphics *graphics, GpBrush *brush,
3340 GDIPCONST GpPointF *points, INT count)
3342 TRACE("(%p, %p, %p, %d)\n", graphics, brush, points, count);
3343 return GdipFillClosedCurve2(graphics, brush, points, count,
3344 0.5f, FillModeAlternate);
3347 GpStatus WINGDIPAPI GdipFillClosedCurveI(GpGraphics *graphics, GpBrush *brush,
3348 GDIPCONST GpPoint *points, INT count)
3350 TRACE("(%p, %p, %p, %d)\n", graphics, brush, points, count);
3351 return GdipFillClosedCurve2I(graphics, brush, points, count,
3352 0.5f, FillModeAlternate);
3355 GpStatus WINGDIPAPI GdipFillEllipse(GpGraphics *graphics, GpBrush *brush, REAL x,
3356 REAL y, REAL width, REAL height)
3362 TRACE("(%p, %p, %.2f, %.2f, %.2f, %.2f)\n", graphics, brush, x, y, width, height);
3364 if(!graphics || !brush)
3365 return InvalidParameter;
3372 FIXME("graphics object has no HDC\n");
3378 ptf[1].X = x + width;
3379 ptf[1].Y = y + height;
3381 save_state = SaveDC(graphics->hdc);
3382 EndPath(graphics->hdc);
3384 transform_and_round_points(graphics, pti, ptf, 2);
3386 BeginPath(graphics->hdc);
3387 Ellipse(graphics->hdc, pti[0].x, pti[0].y, pti[1].x, pti[1].y);
3388 EndPath(graphics->hdc);
3390 brush_fill_path(graphics, brush);
3392 RestoreDC(graphics->hdc, save_state);
3397 GpStatus WINGDIPAPI GdipFillEllipseI(GpGraphics *graphics, GpBrush *brush, INT x,
3398 INT y, INT width, INT height)
3400 TRACE("(%p, %p, %d, %d, %d, %d)\n", graphics, brush, x, y, width, height);
3402 return GdipFillEllipse(graphics,brush,(REAL)x,(REAL)y,(REAL)width,(REAL)height);
3405 GpStatus WINGDIPAPI GdipFillPath(GpGraphics *graphics, GpBrush *brush, GpPath *path)
3410 TRACE("(%p, %p, %p)\n", graphics, brush, path);
3412 if(!brush || !graphics || !path)
3413 return InvalidParameter;
3420 FIXME("graphics object has no HDC\n");
3424 save_state = SaveDC(graphics->hdc);
3425 EndPath(graphics->hdc);
3426 SetPolyFillMode(graphics->hdc, (path->fill == FillModeAlternate ? ALTERNATE
3429 BeginPath(graphics->hdc);
3430 retval = draw_poly(graphics, NULL, path->pathdata.Points,
3431 path->pathdata.Types, path->pathdata.Count, FALSE);
3436 EndPath(graphics->hdc);
3437 brush_fill_path(graphics, brush);
3442 RestoreDC(graphics->hdc, save_state);
3447 GpStatus WINGDIPAPI GdipFillPie(GpGraphics *graphics, GpBrush *brush, REAL x,
3448 REAL y, REAL width, REAL height, REAL startAngle, REAL sweepAngle)
3452 TRACE("(%p, %p, %.2f, %.2f, %.2f, %.2f, %.2f, %.2f)\n",
3453 graphics, brush, x, y, width, height, startAngle, sweepAngle);
3455 if(!graphics || !brush)
3456 return InvalidParameter;
3463 FIXME("graphics object has no HDC\n");
3467 save_state = SaveDC(graphics->hdc);
3468 EndPath(graphics->hdc);
3470 BeginPath(graphics->hdc);
3471 draw_pie(graphics, x, y, width, height, startAngle, sweepAngle);
3472 EndPath(graphics->hdc);
3474 brush_fill_path(graphics, brush);
3476 RestoreDC(graphics->hdc, save_state);
3481 GpStatus WINGDIPAPI GdipFillPieI(GpGraphics *graphics, GpBrush *brush, INT x,
3482 INT y, INT width, INT height, REAL startAngle, REAL sweepAngle)
3484 TRACE("(%p, %p, %d, %d, %d, %d, %.2f, %.2f)\n",
3485 graphics, brush, x, y, width, height, startAngle, sweepAngle);
3487 return GdipFillPie(graphics,brush,(REAL)x,(REAL)y,(REAL)width,(REAL)height,startAngle,sweepAngle);
3490 GpStatus WINGDIPAPI GdipFillPolygon(GpGraphics *graphics, GpBrush *brush,
3491 GDIPCONST GpPointF *points, INT count, GpFillMode fillMode)
3494 GpPointF *ptf = NULL;
3496 GpStatus retval = Ok;
3498 TRACE("(%p, %p, %p, %d, %d)\n", graphics, brush, points, count, fillMode);
3500 if(!graphics || !brush || !points || !count)
3501 return InvalidParameter;
3508 FIXME("graphics object has no HDC\n");
3512 ptf = GdipAlloc(count * sizeof(GpPointF));
3513 pti = GdipAlloc(count * sizeof(POINT));
3515 retval = OutOfMemory;
3519 memcpy(ptf, points, count * sizeof(GpPointF));
3521 save_state = SaveDC(graphics->hdc);
3522 EndPath(graphics->hdc);
3523 SetPolyFillMode(graphics->hdc, (fillMode == FillModeAlternate ? ALTERNATE
3526 transform_and_round_points(graphics, pti, ptf, count);
3528 BeginPath(graphics->hdc);
3529 Polygon(graphics->hdc, pti, count);
3530 EndPath(graphics->hdc);
3532 brush_fill_path(graphics, brush);
3534 RestoreDC(graphics->hdc, save_state);
3543 GpStatus WINGDIPAPI GdipFillPolygonI(GpGraphics *graphics, GpBrush *brush,
3544 GDIPCONST GpPoint *points, INT count, GpFillMode fillMode)
3547 GpPointF *ptf = NULL;
3549 GpStatus retval = Ok;
3551 TRACE("(%p, %p, %p, %d, %d)\n", graphics, brush, points, count, fillMode);
3553 if(!graphics || !brush || !points || !count)
3554 return InvalidParameter;
3561 FIXME("graphics object has no HDC\n");
3565 ptf = GdipAlloc(count * sizeof(GpPointF));
3566 pti = GdipAlloc(count * sizeof(POINT));
3568 retval = OutOfMemory;
3572 for(i = 0; i < count; i ++){
3573 ptf[i].X = (REAL) points[i].X;
3574 ptf[i].Y = (REAL) points[i].Y;
3577 save_state = SaveDC(graphics->hdc);
3578 EndPath(graphics->hdc);
3579 SetPolyFillMode(graphics->hdc, (fillMode == FillModeAlternate ? ALTERNATE
3582 transform_and_round_points(graphics, pti, ptf, count);
3584 BeginPath(graphics->hdc);
3585 Polygon(graphics->hdc, pti, count);
3586 EndPath(graphics->hdc);
3588 brush_fill_path(graphics, brush);
3590 RestoreDC(graphics->hdc, save_state);
3599 GpStatus WINGDIPAPI GdipFillPolygon2(GpGraphics *graphics, GpBrush *brush,
3600 GDIPCONST GpPointF *points, INT count)
3602 TRACE("(%p, %p, %p, %d)\n", graphics, brush, points, count);
3604 return GdipFillPolygon(graphics, brush, points, count, FillModeAlternate);
3607 GpStatus WINGDIPAPI GdipFillPolygon2I(GpGraphics *graphics, GpBrush *brush,
3608 GDIPCONST GpPoint *points, INT count)
3610 TRACE("(%p, %p, %p, %d)\n", graphics, brush, points, count);
3612 return GdipFillPolygonI(graphics, brush, points, count, FillModeAlternate);
3615 GpStatus WINGDIPAPI GdipFillRectangle(GpGraphics *graphics, GpBrush *brush,
3616 REAL x, REAL y, REAL width, REAL height)
3622 TRACE("(%p, %p, %.2f, %.2f, %.2f, %.2f)\n", graphics, brush, x, y, width, height);
3624 if(!graphics || !brush)
3625 return InvalidParameter;
3632 FIXME("graphics object has no HDC\n");
3638 ptf[1].X = x + width;
3640 ptf[2].X = x + width;
3641 ptf[2].Y = y + height;
3643 ptf[3].Y = y + height;
3645 save_state = SaveDC(graphics->hdc);
3646 EndPath(graphics->hdc);
3648 transform_and_round_points(graphics, pti, ptf, 4);
3650 BeginPath(graphics->hdc);
3651 Polygon(graphics->hdc, pti, 4);
3652 EndPath(graphics->hdc);
3654 brush_fill_path(graphics, brush);
3656 RestoreDC(graphics->hdc, save_state);
3661 GpStatus WINGDIPAPI GdipFillRectangleI(GpGraphics *graphics, GpBrush *brush,
3662 INT x, INT y, INT width, INT height)
3668 TRACE("(%p, %p, %d, %d, %d, %d)\n", graphics, brush, x, y, width, height);
3670 if(!graphics || !brush)
3671 return InvalidParameter;
3678 FIXME("graphics object has no HDC\n");
3684 ptf[1].X = x + width;
3686 ptf[2].X = x + width;
3687 ptf[2].Y = y + height;
3689 ptf[3].Y = y + height;
3691 save_state = SaveDC(graphics->hdc);
3692 EndPath(graphics->hdc);
3694 transform_and_round_points(graphics, pti, ptf, 4);
3696 BeginPath(graphics->hdc);
3697 Polygon(graphics->hdc, pti, 4);
3698 EndPath(graphics->hdc);
3700 brush_fill_path(graphics, brush);
3702 RestoreDC(graphics->hdc, save_state);
3707 GpStatus WINGDIPAPI GdipFillRectangles(GpGraphics *graphics, GpBrush *brush, GDIPCONST GpRectF *rects,
3713 TRACE("(%p, %p, %p, %d)\n", graphics, brush, rects, count);
3716 return InvalidParameter;
3718 for(i = 0; i < count; i++){
3719 ret = GdipFillRectangle(graphics, brush, rects[i].X, rects[i].Y, rects[i].Width, rects[i].Height);
3720 if(ret != Ok) return ret;
3726 GpStatus WINGDIPAPI GdipFillRectanglesI(GpGraphics *graphics, GpBrush *brush, GDIPCONST GpRect *rects,
3733 TRACE("(%p, %p, %p, %d)\n", graphics, brush, rects, count);
3735 if(!rects || count <= 0)
3736 return InvalidParameter;
3738 rectsF = GdipAlloc(sizeof(GpRectF)*count);
3742 for(i = 0; i < count; i++){
3743 rectsF[i].X = (REAL)rects[i].X;
3744 rectsF[i].Y = (REAL)rects[i].Y;
3745 rectsF[i].X = (REAL)rects[i].Width;
3746 rectsF[i].Height = (REAL)rects[i].Height;
3749 ret = GdipFillRectangles(graphics,brush,rectsF,count);
3755 static GpStatus GDI32_GdipFillRegion(GpGraphics* graphics, GpBrush* brush,
3763 if(!graphics->hdc || !brush_can_fill_path(brush))
3764 return NotImplemented;
3766 status = GdipGetRegionHRgn(region, graphics, &hrgn);
3770 save_state = SaveDC(graphics->hdc);
3771 EndPath(graphics->hdc);
3773 ExtSelectClipRgn(graphics->hdc, hrgn, RGN_AND);
3775 if (GetClipBox(graphics->hdc, &rc) != NULLREGION)
3777 BeginPath(graphics->hdc);
3778 Rectangle(graphics->hdc, rc.left, rc.top, rc.right, rc.bottom);
3779 EndPath(graphics->hdc);
3781 brush_fill_path(graphics, brush);
3784 RestoreDC(graphics->hdc, save_state);
3791 static GpStatus SOFTWARE_GdipFillRegion(GpGraphics *graphics, GpBrush *brush,
3795 GpRegion *temp_region;
3796 GpMatrix *world_to_device, *identity;
3797 GpRectF graphics_bounds;
3798 UINT scans_count, i;
3803 if (!brush_can_fill_pixels(brush))
3804 return NotImplemented;
3806 stat = get_graphics_bounds(graphics, &graphics_bounds);
3809 stat = GdipCloneRegion(region, &temp_region);
3813 stat = get_graphics_transform(graphics, CoordinateSpaceDevice,
3814 CoordinateSpaceWorld, &world_to_device);
3818 stat = GdipTransformRegion(temp_region, world_to_device);
3820 GdipDeleteMatrix(world_to_device);
3824 stat = GdipCombineRegionRect(temp_region, &graphics_bounds, CombineModeIntersect);
3827 stat = GdipCreateMatrix(&identity);
3831 stat = GdipGetRegionScansCount(temp_region, &scans_count, identity);
3833 if (stat == Ok && scans_count != 0)
3835 scans = GdipAlloc(sizeof(*scans) * scans_count);
3841 stat = GdipGetRegionScansI(temp_region, scans, &dummy, identity);
3848 GdipDeleteMatrix(identity);
3851 GdipDeleteRegion(temp_region);
3854 if (stat == Ok && scans_count == 0)
3861 for (i=0; i<scans_count; i++)
3863 UINT size = scans[i].Width * scans[i].Height;
3865 if (size > max_size)
3869 pixel_data = GdipAlloc(sizeof(*pixel_data) * max_size);
3875 for (i=0; i<scans_count; i++)
3877 stat = brush_fill_pixels(graphics, brush, pixel_data, &scans[i],
3882 stat = alpha_blend_pixels(graphics, scans[i].X, scans[i].Y,
3883 (BYTE*)pixel_data, scans[i].Width, scans[i].Height,
3884 scans[i].Width * 4);
3891 GdipFree(pixel_data);
3900 /*****************************************************************************
3901 * GdipFillRegion [GDIPLUS.@]
3903 GpStatus WINGDIPAPI GdipFillRegion(GpGraphics* graphics, GpBrush* brush,
3906 GpStatus stat = NotImplemented;
3908 TRACE("(%p, %p, %p)\n", graphics, brush, region);
3910 if (!(graphics && brush && region))
3911 return InvalidParameter;
3916 if (!graphics->image)
3917 stat = GDI32_GdipFillRegion(graphics, brush, region);
3919 if (stat == NotImplemented)
3920 stat = SOFTWARE_GdipFillRegion(graphics, brush, region);
3922 if (stat == NotImplemented && graphics->image)
3923 stat = GDI32_GdipFillRegion(graphics, brush, region);
3925 if (stat == NotImplemented)
3927 FIXME("not implemented for brushtype %i\n", brush->bt);
3934 GpStatus WINGDIPAPI GdipFlush(GpGraphics *graphics, GpFlushIntention intention)
3936 TRACE("(%p,%u)\n", graphics, intention);
3939 return InvalidParameter;
3944 /* We have no internal operation queue, so there's no need to clear it. */
3952 /*****************************************************************************
3953 * GdipGetClipBounds [GDIPLUS.@]
3955 GpStatus WINGDIPAPI GdipGetClipBounds(GpGraphics *graphics, GpRectF *rect)
3957 TRACE("(%p, %p)\n", graphics, rect);
3960 return InvalidParameter;
3965 return GdipGetRegionBounds(graphics->clip, graphics, rect);
3968 /*****************************************************************************
3969 * GdipGetClipBoundsI [GDIPLUS.@]
3971 GpStatus WINGDIPAPI GdipGetClipBoundsI(GpGraphics *graphics, GpRect *rect)
3973 TRACE("(%p, %p)\n", graphics, rect);
3976 return InvalidParameter;
3981 return GdipGetRegionBoundsI(graphics->clip, graphics, rect);
3984 /* FIXME: Compositing mode is not used anywhere except the getter/setter. */
3985 GpStatus WINGDIPAPI GdipGetCompositingMode(GpGraphics *graphics,
3986 CompositingMode *mode)
3988 TRACE("(%p, %p)\n", graphics, mode);
3990 if(!graphics || !mode)
3991 return InvalidParameter;
3996 *mode = graphics->compmode;
4001 /* FIXME: Compositing quality is not used anywhere except the getter/setter. */
4002 GpStatus WINGDIPAPI GdipGetCompositingQuality(GpGraphics *graphics,
4003 CompositingQuality *quality)
4005 TRACE("(%p, %p)\n", graphics, quality);
4007 if(!graphics || !quality)
4008 return InvalidParameter;
4013 *quality = graphics->compqual;
4018 /* FIXME: Interpolation mode is not used anywhere except the getter/setter. */
4019 GpStatus WINGDIPAPI GdipGetInterpolationMode(GpGraphics *graphics,
4020 InterpolationMode *mode)
4022 TRACE("(%p, %p)\n", graphics, mode);
4024 if(!graphics || !mode)
4025 return InvalidParameter;
4030 *mode = graphics->interpolation;
4035 /* FIXME: Need to handle color depths less than 24bpp */
4036 GpStatus WINGDIPAPI GdipGetNearestColor(GpGraphics *graphics, ARGB* argb)
4038 FIXME("(%p, %p): Passing color unmodified\n", graphics, argb);
4040 if(!graphics || !argb)
4041 return InvalidParameter;
4049 GpStatus WINGDIPAPI GdipGetPageScale(GpGraphics *graphics, REAL *scale)
4051 TRACE("(%p, %p)\n", graphics, scale);
4053 if(!graphics || !scale)
4054 return InvalidParameter;
4059 *scale = graphics->scale;
4064 GpStatus WINGDIPAPI GdipGetPageUnit(GpGraphics *graphics, GpUnit *unit)
4066 TRACE("(%p, %p)\n", graphics, unit);
4068 if(!graphics || !unit)
4069 return InvalidParameter;
4074 *unit = graphics->unit;
4079 /* FIXME: Pixel offset mode is not used anywhere except the getter/setter. */
4080 GpStatus WINGDIPAPI GdipGetPixelOffsetMode(GpGraphics *graphics, PixelOffsetMode
4083 TRACE("(%p, %p)\n", graphics, mode);
4085 if(!graphics || !mode)
4086 return InvalidParameter;
4091 *mode = graphics->pixeloffset;
4096 /* FIXME: Smoothing mode is not used anywhere except the getter/setter. */
4097 GpStatus WINGDIPAPI GdipGetSmoothingMode(GpGraphics *graphics, SmoothingMode *mode)
4099 TRACE("(%p, %p)\n", graphics, mode);
4101 if(!graphics || !mode)
4102 return InvalidParameter;
4107 *mode = graphics->smoothing;
4112 GpStatus WINGDIPAPI GdipGetTextContrast(GpGraphics *graphics, UINT *contrast)
4114 TRACE("(%p, %p)\n", graphics, contrast);
4116 if(!graphics || !contrast)
4117 return InvalidParameter;
4119 *contrast = graphics->textcontrast;
4124 /* FIXME: Text rendering hint is not used anywhere except the getter/setter. */
4125 GpStatus WINGDIPAPI GdipGetTextRenderingHint(GpGraphics *graphics,
4126 TextRenderingHint *hint)
4128 TRACE("(%p, %p)\n", graphics, hint);
4130 if(!graphics || !hint)
4131 return InvalidParameter;
4136 *hint = graphics->texthint;
4141 GpStatus WINGDIPAPI GdipGetVisibleClipBounds(GpGraphics *graphics, GpRectF *rect)
4146 TRACE("(%p, %p)\n", graphics, rect);
4148 if(!graphics || !rect)
4149 return InvalidParameter;
4154 /* intersect window and graphics clipping regions */
4155 if((stat = GdipCreateRegion(&clip_rgn)) != Ok)
4158 if((stat = get_visible_clip_region(graphics, clip_rgn)) != Ok)
4161 /* get bounds of the region */
4162 stat = GdipGetRegionBounds(clip_rgn, graphics, rect);
4165 GdipDeleteRegion(clip_rgn);
4170 GpStatus WINGDIPAPI GdipGetVisibleClipBoundsI(GpGraphics *graphics, GpRect *rect)
4175 TRACE("(%p, %p)\n", graphics, rect);
4177 if(!graphics || !rect)
4178 return InvalidParameter;
4180 if((stat = GdipGetVisibleClipBounds(graphics, &rectf)) == Ok)
4182 rect->X = roundr(rectf.X);
4183 rect->Y = roundr(rectf.Y);
4184 rect->Width = roundr(rectf.Width);
4185 rect->Height = roundr(rectf.Height);
4191 GpStatus WINGDIPAPI GdipGetWorldTransform(GpGraphics *graphics, GpMatrix *matrix)
4193 TRACE("(%p, %p)\n", graphics, matrix);
4195 if(!graphics || !matrix)
4196 return InvalidParameter;
4201 *matrix = *graphics->worldtrans;
4205 GpStatus WINGDIPAPI GdipGraphicsClear(GpGraphics *graphics, ARGB color)
4211 TRACE("(%p, %x)\n", graphics, color);
4214 return InvalidParameter;
4219 if((stat = GdipCreateSolidFill(color, &brush)) != Ok)
4222 if((stat = get_graphics_bounds(graphics, &wnd_rect)) != Ok){
4223 GdipDeleteBrush((GpBrush*)brush);
4227 GdipFillRectangle(graphics, (GpBrush*)brush, wnd_rect.X, wnd_rect.Y,
4228 wnd_rect.Width, wnd_rect.Height);
4230 GdipDeleteBrush((GpBrush*)brush);
4235 GpStatus WINGDIPAPI GdipIsClipEmpty(GpGraphics *graphics, BOOL *res)
4237 TRACE("(%p, %p)\n", graphics, res);
4239 if(!graphics || !res)
4240 return InvalidParameter;
4242 return GdipIsEmptyRegion(graphics->clip, graphics, res);
4245 GpStatus WINGDIPAPI GdipIsVisiblePoint(GpGraphics *graphics, REAL x, REAL y, BOOL *result)
4251 TRACE("(%p, %.2f, %.2f, %p)\n", graphics, x, y, result);
4253 if(!graphics || !result)
4254 return InvalidParameter;
4261 if((stat = GdipTransformPoints(graphics, CoordinateSpaceDevice,
4262 CoordinateSpaceWorld, &pt, 1)) != Ok)
4265 if((stat = GdipCreateRegion(&rgn)) != Ok)
4268 if((stat = get_visible_clip_region(graphics, rgn)) != Ok)
4271 stat = GdipIsVisibleRegionPoint(rgn, pt.X, pt.Y, graphics, result);
4274 GdipDeleteRegion(rgn);
4278 GpStatus WINGDIPAPI GdipIsVisiblePointI(GpGraphics *graphics, INT x, INT y, BOOL *result)
4280 return GdipIsVisiblePoint(graphics, (REAL)x, (REAL)y, result);
4283 GpStatus WINGDIPAPI GdipIsVisibleRect(GpGraphics *graphics, REAL x, REAL y, REAL width, REAL height, BOOL *result)
4289 TRACE("(%p %.2f %.2f %.2f %.2f %p)\n", graphics, x, y, width, height, result);
4291 if(!graphics || !result)
4292 return InvalidParameter;
4299 pts[1].X = x + width;
4300 pts[1].Y = y + height;
4302 if((stat = GdipTransformPoints(graphics, CoordinateSpaceDevice,
4303 CoordinateSpaceWorld, pts, 2)) != Ok)
4306 pts[1].X -= pts[0].X;
4307 pts[1].Y -= pts[0].Y;
4309 if((stat = GdipCreateRegion(&rgn)) != Ok)
4312 if((stat = get_visible_clip_region(graphics, rgn)) != Ok)
4315 stat = GdipIsVisibleRegionRect(rgn, pts[0].X, pts[0].Y, pts[1].X, pts[1].Y, graphics, result);
4318 GdipDeleteRegion(rgn);
4322 GpStatus WINGDIPAPI GdipIsVisibleRectI(GpGraphics *graphics, INT x, INT y, INT width, INT height, BOOL *result)
4324 return GdipIsVisibleRect(graphics, (REAL)x, (REAL)y, (REAL)width, (REAL)height, result);
4327 GpStatus gdip_format_string(HDC hdc,
4328 GDIPCONST WCHAR *string, INT length, GDIPCONST GpFont *font,
4329 GDIPCONST RectF *rect, GDIPCONST GpStringFormat *format,
4330 gdip_format_string_callback callback, void *user_data)
4333 int sum = 0, height = 0, fit, fitcpy, i, j, lret, nwidth,
4334 nheight, lineend, lineno = 0;
4336 StringAlignment halign;
4340 if(length == -1) length = lstrlenW(string);
4342 stringdup = GdipAlloc((length + 1) * sizeof(WCHAR));
4343 if(!stringdup) return OutOfMemory;
4345 nwidth = roundr(rect->Width);
4346 nheight = roundr(rect->Height);
4348 if (rect->Width >= INT_MAX || rect->Width < 0.5) nwidth = INT_MAX;
4349 if (rect->Height >= INT_MAX || rect->Width < 0.5) nheight = INT_MAX;
4351 for(i = 0, j = 0; i < length; i++){
4352 /* FIXME: This makes the indexes passed to callback inaccurate. */
4353 if(!isprintW(string[i]) && (string[i] != '\n'))
4356 stringdup[j] = string[i];
4362 if (format) halign = format->align;
4363 else halign = StringAlignmentNear;
4365 while(sum < length){
4366 GetTextExtentExPointW(hdc, stringdup + sum, length - sum,
4367 nwidth, &fit, NULL, &size);
4373 for(lret = 0; lret < fit; lret++)
4374 if(*(stringdup + sum + lret) == '\n')
4377 /* Line break code (may look strange, but it imitates windows). */
4379 lineend = fit = lret; /* this is not an off-by-one error */
4380 else if(fit < (length - sum)){
4381 if(*(stringdup + sum + fit) == ' ')
4382 while(*(stringdup + sum + fit) == ' ')
4385 while(*(stringdup + sum + fit - 1) != ' '){
4388 if(*(stringdup + sum + fit) == '\t')
4397 while(*(stringdup + sum + lineend - 1) == ' ' ||
4398 *(stringdup + sum + lineend - 1) == '\t')
4404 GetTextExtentExPointW(hdc, stringdup + sum, lineend,
4405 nwidth, &j, NULL, &size);
4407 bounds.Width = size.cx;
4409 if(height + size.cy > nheight)
4410 bounds.Height = nheight - (height + size.cy);
4412 bounds.Height = size.cy;
4414 bounds.Y = rect->Y + height;
4418 case StringAlignmentNear:
4422 case StringAlignmentCenter:
4423 bounds.X = rect->X + (rect->Width/2) - (bounds.Width/2);
4425 case StringAlignmentFar:
4426 bounds.X = rect->X + rect->Width - bounds.Width;
4430 stat = callback(hdc, stringdup, sum, lineend,
4431 font, rect, format, lineno, &bounds, user_data);
4436 sum += fit + (lret < fitcpy ? 1 : 0);
4440 if(height > nheight)
4443 /* Stop if this was a linewrap (but not if it was a linebreak). */
4444 if((lret == fitcpy) && format && (format->attr & StringFormatFlagsNoWrap))
4448 GdipFree(stringdup);
4453 struct measure_ranges_args {
4457 static GpStatus measure_ranges_callback(HDC hdc,
4458 GDIPCONST WCHAR *string, INT index, INT length, GDIPCONST GpFont *font,
4459 GDIPCONST RectF *rect, GDIPCONST GpStringFormat *format,
4460 INT lineno, const RectF *bounds, void *user_data)
4464 struct measure_ranges_args *args = user_data;
4466 for (i=0; i<format->range_count; i++)
4468 INT range_start = max(index, format->character_ranges[i].First);
4469 INT range_end = min(index+length, format->character_ranges[i].First+format->character_ranges[i].Length);
4470 if (range_start < range_end)
4475 range_rect.Y = bounds->Y;
4476 range_rect.Height = bounds->Height;
4478 GetTextExtentExPointW(hdc, string + index, range_start - index,
4479 INT_MAX, NULL, NULL, &range_size);
4480 range_rect.X = bounds->X + range_size.cx;
4482 GetTextExtentExPointW(hdc, string + index, range_end - index,
4483 INT_MAX, NULL, NULL, &range_size);
4484 range_rect.Width = (bounds->X + range_size.cx) - range_rect.X;
4486 stat = GdipCombineRegionRect(args->regions[i], &range_rect, CombineModeUnion);
4495 GpStatus WINGDIPAPI GdipMeasureCharacterRanges(GpGraphics* graphics,
4496 GDIPCONST WCHAR* string, INT length, GDIPCONST GpFont* font,
4497 GDIPCONST RectF* layoutRect, GDIPCONST GpStringFormat *stringFormat,
4498 INT regionCount, GpRegion** regions)
4503 struct measure_ranges_args args;
4504 HDC hdc, temp_hdc=NULL;
4506 TRACE("(%p %s %d %p %s %p %d %p)\n", graphics, debugstr_w(string),
4507 length, font, debugstr_rectf(layoutRect), stringFormat, regionCount, regions);
4509 if (!(graphics && string && font && layoutRect && stringFormat && regions))
4510 return InvalidParameter;
4512 if (regionCount < stringFormat->range_count)
4513 return InvalidParameter;
4517 hdc = temp_hdc = CreateCompatibleDC(0);
4518 if (!temp_hdc) return OutOfMemory;
4521 hdc = graphics->hdc;
4523 if (stringFormat->attr)
4524 TRACE("may be ignoring some format flags: attr %x\n", stringFormat->attr);
4526 oldfont = SelectObject(hdc, CreateFontIndirectW(&font->lfw));
4528 for (i=0; i<stringFormat->range_count; i++)
4530 stat = GdipSetEmpty(regions[i]);
4535 args.regions = regions;
4537 stat = gdip_format_string(hdc, string, length, font, layoutRect, stringFormat,
4538 measure_ranges_callback, &args);
4540 DeleteObject(SelectObject(hdc, oldfont));
4548 struct measure_string_args {
4550 INT *codepointsfitted;
4554 static GpStatus measure_string_callback(HDC hdc,
4555 GDIPCONST WCHAR *string, INT index, INT length, GDIPCONST GpFont *font,
4556 GDIPCONST RectF *rect, GDIPCONST GpStringFormat *format,
4557 INT lineno, const RectF *bounds, void *user_data)
4559 struct measure_string_args *args = user_data;
4561 if (bounds->Width > args->bounds->Width)
4562 args->bounds->Width = bounds->Width;
4564 if (bounds->Height + bounds->Y > args->bounds->Height + args->bounds->Y)
4565 args->bounds->Height = bounds->Height + bounds->Y - args->bounds->Y;
4567 if (args->codepointsfitted)
4568 *args->codepointsfitted = index + length;
4570 if (args->linesfilled)
4571 (*args->linesfilled)++;
4576 /* Find the smallest rectangle that bounds the text when it is printed in rect
4577 * according to the format options listed in format. If rect has 0 width and
4578 * height, then just find the smallest rectangle that bounds the text when it's
4579 * printed at location (rect->X, rect-Y). */
4580 GpStatus WINGDIPAPI GdipMeasureString(GpGraphics *graphics,
4581 GDIPCONST WCHAR *string, INT length, GDIPCONST GpFont *font,
4582 GDIPCONST RectF *rect, GDIPCONST GpStringFormat *format, RectF *bounds,
4583 INT *codepointsfitted, INT *linesfilled)
4586 struct measure_string_args args;
4589 TRACE("(%p, %s, %i, %p, %s, %p, %p, %p, %p)\n", graphics,
4590 debugstr_wn(string, length), length, font, debugstr_rectf(rect), format,
4591 bounds, codepointsfitted, linesfilled);
4593 if(!graphics || !string || !font || !rect || !bounds)
4594 return InvalidParameter;
4598 temp_hdc = CreateCompatibleDC(0);
4599 if (!temp_hdc) return OutOfMemory;
4602 if(linesfilled) *linesfilled = 0;
4603 if(codepointsfitted) *codepointsfitted = 0;
4606 TRACE("may be ignoring some format flags: attr %x\n", format->attr);
4608 oldfont = SelectObject(graphics->hdc, CreateFontIndirectW(&font->lfw));
4610 bounds->X = rect->X;
4611 bounds->Y = rect->Y;
4612 bounds->Width = 0.0;
4613 bounds->Height = 0.0;
4615 args.bounds = bounds;
4616 args.codepointsfitted = codepointsfitted;
4617 args.linesfilled = linesfilled;
4619 gdip_format_string(graphics->hdc ? graphics->hdc : temp_hdc, string, length, font, rect, format,
4620 measure_string_callback, &args);
4622 DeleteObject(SelectObject(graphics->hdc, oldfont));
4630 struct draw_string_args {
4633 REAL ang_cos, ang_sin;
4636 static GpStatus draw_string_callback(HDC hdc,
4637 GDIPCONST WCHAR *string, INT index, INT length, GDIPCONST GpFont *font,
4638 GDIPCONST RectF *rect, GDIPCONST GpStringFormat *format,
4639 INT lineno, const RectF *bounds, void *user_data)
4641 struct draw_string_args *args = user_data;
4644 drawcoord.left = drawcoord.right = args->drawbase.x + roundr(args->ang_sin * bounds->Y);
4645 drawcoord.top = drawcoord.bottom = args->drawbase.y + roundr(args->ang_cos * bounds->Y);
4647 DrawTextW(hdc, string + index, length, &drawcoord, args->drawflags);
4652 GpStatus WINGDIPAPI GdipDrawString(GpGraphics *graphics, GDIPCONST WCHAR *string,
4653 INT length, GDIPCONST GpFont *font, GDIPCONST RectF *rect,
4654 GDIPCONST GpStringFormat *format, GDIPCONST GpBrush *brush)
4659 TEXTMETRICW textmet;
4660 GpPointF pt[3], rectcpy[4];
4662 REAL angle, rel_width, rel_height;
4663 INT offsety = 0, save_state;
4664 struct draw_string_args args;
4667 TRACE("(%p, %s, %i, %p, %s, %p, %p)\n", graphics, debugstr_wn(string, length),
4668 length, font, debugstr_rectf(rect), format, brush);
4670 if(!graphics || !string || !font || !brush || !rect)
4671 return InvalidParameter;
4673 if((brush->bt != BrushTypeSolidColor)){
4674 FIXME("not implemented for given parameters\n");
4675 return NotImplemented;
4680 FIXME("graphics object has no HDC\n");
4685 TRACE("may be ignoring some format flags: attr %x\n", format->attr);
4687 /* Should be no need to explicitly test for StringAlignmentNear as
4688 * that is default behavior if no alignment is passed. */
4689 if(format->vertalign != StringAlignmentNear){
4691 GdipMeasureString(graphics, string, length, font, rect, format, &bounds, 0, 0);
4693 if(format->vertalign == StringAlignmentCenter)
4694 offsety = (rect->Height - bounds.Height) / 2;
4695 else if(format->vertalign == StringAlignmentFar)
4696 offsety = (rect->Height - bounds.Height);
4700 save_state = SaveDC(graphics->hdc);
4701 SetBkMode(graphics->hdc, TRANSPARENT);
4702 SetTextColor(graphics->hdc, brush->lb.lbColor);
4710 GdipTransformPoints(graphics, CoordinateSpaceDevice, CoordinateSpaceWorld, pt, 3);
4711 angle = -gdiplus_atan2((pt[1].Y - pt[0].Y), (pt[1].X - pt[0].X));
4712 args.ang_cos = cos(angle);
4713 args.ang_sin = sin(angle);
4714 rel_width = sqrt((pt[1].Y-pt[0].Y)*(pt[1].Y-pt[0].Y)+
4715 (pt[1].X-pt[0].X)*(pt[1].X-pt[0].X));
4716 rel_height = sqrt((pt[2].Y-pt[0].Y)*(pt[2].Y-pt[0].Y)+
4717 (pt[2].X-pt[0].X)*(pt[2].X-pt[0].X));
4719 rectcpy[3].X = rectcpy[0].X = rect->X;
4720 rectcpy[1].Y = rectcpy[0].Y = rect->Y + offsety;
4721 rectcpy[2].X = rectcpy[1].X = rect->X + rect->Width;
4722 rectcpy[3].Y = rectcpy[2].Y = rect->Y + offsety + rect->Height;
4723 transform_and_round_points(graphics, corners, rectcpy, 4);
4725 scaled_rect.X = 0.0;
4726 scaled_rect.Y = 0.0;
4727 scaled_rect.Width = rel_width * rect->Width;
4728 scaled_rect.Height = rel_height * rect->Height;
4730 if (roundr(scaled_rect.Width) != 0 && roundr(scaled_rect.Height) != 0)
4732 /* FIXME: If only the width or only the height is 0, we should probably still clip */
4733 rgn = CreatePolygonRgn(corners, 4, ALTERNATE);
4734 SelectClipRgn(graphics->hdc, rgn);
4737 /* Use gdi to find the font, then perform transformations on it (height,
4739 SelectObject(graphics->hdc, CreateFontIndirectW(&font->lfw));
4740 GetTextMetricsW(graphics->hdc, &textmet);
4743 lfw.lfHeight = roundr(((REAL)lfw.lfHeight) * rel_height);
4744 lfw.lfWidth = roundr(textmet.tmAveCharWidth * rel_width);
4746 lfw.lfEscapement = lfw.lfOrientation = roundr((angle / M_PI) * 1800.0);
4748 gdifont = CreateFontIndirectW(&lfw);
4749 DeleteObject(SelectObject(graphics->hdc, gdifont));
4751 if (!format || format->align == StringAlignmentNear)
4753 args.drawbase.x = corners[0].x;
4754 args.drawbase.y = corners[0].y;
4755 args.drawflags = DT_NOCLIP | DT_EXPANDTABS;
4757 else if (format->align == StringAlignmentCenter)
4759 args.drawbase.x = (corners[0].x + corners[1].x)/2;
4760 args.drawbase.y = (corners[0].y + corners[1].y)/2;
4761 args.drawflags = DT_NOCLIP | DT_EXPANDTABS | DT_CENTER;
4763 else /* (format->align == StringAlignmentFar) */
4765 args.drawbase.x = corners[1].x;
4766 args.drawbase.y = corners[1].y;
4767 args.drawflags = DT_NOCLIP | DT_EXPANDTABS | DT_RIGHT;
4770 gdip_format_string(graphics->hdc, string, length, font, &scaled_rect, format,
4771 draw_string_callback, &args);
4774 DeleteObject(gdifont);
4776 RestoreDC(graphics->hdc, save_state);
4781 GpStatus WINGDIPAPI GdipResetClip(GpGraphics *graphics)
4783 TRACE("(%p)\n", graphics);
4786 return InvalidParameter;
4791 return GdipSetInfinite(graphics->clip);
4794 GpStatus WINGDIPAPI GdipResetWorldTransform(GpGraphics *graphics)
4796 TRACE("(%p)\n", graphics);
4799 return InvalidParameter;
4804 graphics->worldtrans->matrix[0] = 1.0;
4805 graphics->worldtrans->matrix[1] = 0.0;
4806 graphics->worldtrans->matrix[2] = 0.0;
4807 graphics->worldtrans->matrix[3] = 1.0;
4808 graphics->worldtrans->matrix[4] = 0.0;
4809 graphics->worldtrans->matrix[5] = 0.0;
4814 GpStatus WINGDIPAPI GdipRestoreGraphics(GpGraphics *graphics, GraphicsState state)
4816 return GdipEndContainer(graphics, state);
4819 GpStatus WINGDIPAPI GdipRotateWorldTransform(GpGraphics *graphics, REAL angle,
4820 GpMatrixOrder order)
4822 TRACE("(%p, %.2f, %d)\n", graphics, angle, order);
4825 return InvalidParameter;
4830 return GdipRotateMatrix(graphics->worldtrans, angle, order);
4833 GpStatus WINGDIPAPI GdipSaveGraphics(GpGraphics *graphics, GraphicsState *state)
4835 return GdipBeginContainer2(graphics, state);
4838 GpStatus WINGDIPAPI GdipBeginContainer2(GpGraphics *graphics,
4839 GraphicsContainer *state)
4841 GraphicsContainerItem *container;
4844 TRACE("(%p, %p)\n", graphics, state);
4846 if(!graphics || !state)
4847 return InvalidParameter;
4849 sts = init_container(&container, graphics);
4853 list_add_head(&graphics->containers, &container->entry);
4854 *state = graphics->contid = container->contid;
4859 GpStatus WINGDIPAPI GdipBeginContainer(GpGraphics *graphics, GDIPCONST GpRectF *dstrect, GDIPCONST GpRectF *srcrect, GpUnit unit, GraphicsContainer *state)
4861 FIXME("(%p, %p, %p, %d, %p): stub\n", graphics, dstrect, srcrect, unit, state);
4862 return NotImplemented;
4865 GpStatus WINGDIPAPI GdipBeginContainerI(GpGraphics *graphics, GDIPCONST GpRect *dstrect, GDIPCONST GpRect *srcrect, GpUnit unit, GraphicsContainer *state)
4867 FIXME("(%p, %p, %p, %d, %p): stub\n", graphics, dstrect, srcrect, unit, state);
4868 return NotImplemented;
4871 GpStatus WINGDIPAPI GdipComment(GpGraphics *graphics, UINT sizeData, GDIPCONST BYTE *data)
4873 FIXME("(%p, %d, %p): stub\n", graphics, sizeData, data);
4874 return NotImplemented;
4877 GpStatus WINGDIPAPI GdipEndContainer(GpGraphics *graphics, GraphicsContainer state)
4880 GraphicsContainerItem *container, *container2;
4882 TRACE("(%p, %x)\n", graphics, state);
4885 return InvalidParameter;
4887 LIST_FOR_EACH_ENTRY(container, &graphics->containers, GraphicsContainerItem, entry){
4888 if(container->contid == state)
4892 /* did not find a matching container */
4893 if(&container->entry == &graphics->containers)
4896 sts = restore_container(graphics, container);
4900 /* remove all of the containers on top of the found container */
4901 LIST_FOR_EACH_ENTRY_SAFE(container, container2, &graphics->containers, GraphicsContainerItem, entry){
4902 if(container->contid == state)
4904 list_remove(&container->entry);
4905 delete_container(container);
4908 list_remove(&container->entry);
4909 delete_container(container);
4914 GpStatus WINGDIPAPI GdipScaleWorldTransform(GpGraphics *graphics, REAL sx,
4915 REAL sy, GpMatrixOrder order)
4917 TRACE("(%p, %.2f, %.2f, %d)\n", graphics, sx, sy, order);
4920 return InvalidParameter;
4925 return GdipScaleMatrix(graphics->worldtrans, sx, sy, order);
4928 GpStatus WINGDIPAPI GdipSetClipGraphics(GpGraphics *graphics, GpGraphics *srcgraphics,
4931 TRACE("(%p, %p, %d)\n", graphics, srcgraphics, mode);
4933 if(!graphics || !srcgraphics)
4934 return InvalidParameter;
4936 return GdipCombineRegionRegion(graphics->clip, srcgraphics->clip, mode);
4939 GpStatus WINGDIPAPI GdipSetCompositingMode(GpGraphics *graphics,
4940 CompositingMode mode)
4942 TRACE("(%p, %d)\n", graphics, mode);
4945 return InvalidParameter;
4950 graphics->compmode = mode;
4955 GpStatus WINGDIPAPI GdipSetCompositingQuality(GpGraphics *graphics,
4956 CompositingQuality quality)
4958 TRACE("(%p, %d)\n", graphics, quality);
4961 return InvalidParameter;
4966 graphics->compqual = quality;
4971 GpStatus WINGDIPAPI GdipSetInterpolationMode(GpGraphics *graphics,
4972 InterpolationMode mode)
4974 TRACE("(%p, %d)\n", graphics, mode);
4976 if(!graphics || mode == InterpolationModeInvalid || mode > InterpolationModeHighQualityBicubic)
4977 return InvalidParameter;
4982 if (mode == InterpolationModeDefault || mode == InterpolationModeLowQuality)
4983 mode = InterpolationModeBilinear;
4985 if (mode == InterpolationModeHighQuality)
4986 mode = InterpolationModeHighQualityBicubic;
4988 graphics->interpolation = mode;
4993 GpStatus WINGDIPAPI GdipSetPageScale(GpGraphics *graphics, REAL scale)
4995 TRACE("(%p, %.2f)\n", graphics, scale);
4997 if(!graphics || (scale <= 0.0))
4998 return InvalidParameter;
5003 graphics->scale = scale;
5008 GpStatus WINGDIPAPI GdipSetPageUnit(GpGraphics *graphics, GpUnit unit)
5010 TRACE("(%p, %d)\n", graphics, unit);
5013 return InvalidParameter;
5018 if(unit == UnitWorld)
5019 return InvalidParameter;
5021 graphics->unit = unit;
5026 GpStatus WINGDIPAPI GdipSetPixelOffsetMode(GpGraphics *graphics, PixelOffsetMode
5029 TRACE("(%p, %d)\n", graphics, mode);
5032 return InvalidParameter;
5037 graphics->pixeloffset = mode;
5042 GpStatus WINGDIPAPI GdipSetRenderingOrigin(GpGraphics *graphics, INT x, INT y)
5046 TRACE("(%p,%i,%i)\n", graphics, x, y);
5049 FIXME("not implemented\n");
5051 return NotImplemented;
5054 GpStatus WINGDIPAPI GdipGetRenderingOrigin(GpGraphics *graphics, INT *x, INT *y)
5058 TRACE("(%p,%p,%p)\n", graphics, x, y);
5061 FIXME("not implemented\n");
5065 return NotImplemented;
5068 GpStatus WINGDIPAPI GdipSetSmoothingMode(GpGraphics *graphics, SmoothingMode mode)
5070 TRACE("(%p, %d)\n", graphics, mode);
5073 return InvalidParameter;
5078 graphics->smoothing = mode;
5083 GpStatus WINGDIPAPI GdipSetTextContrast(GpGraphics *graphics, UINT contrast)
5085 TRACE("(%p, %d)\n", graphics, contrast);
5088 return InvalidParameter;
5090 graphics->textcontrast = contrast;
5095 GpStatus WINGDIPAPI GdipSetTextRenderingHint(GpGraphics *graphics,
5096 TextRenderingHint hint)
5098 TRACE("(%p, %d)\n", graphics, hint);
5101 return InvalidParameter;
5106 graphics->texthint = hint;
5111 GpStatus WINGDIPAPI GdipSetWorldTransform(GpGraphics *graphics, GpMatrix *matrix)
5113 TRACE("(%p, %p)\n", graphics, matrix);
5115 if(!graphics || !matrix)
5116 return InvalidParameter;
5121 GdipDeleteMatrix(graphics->worldtrans);
5122 return GdipCloneMatrix(matrix, &graphics->worldtrans);
5125 GpStatus WINGDIPAPI GdipTranslateWorldTransform(GpGraphics *graphics, REAL dx,
5126 REAL dy, GpMatrixOrder order)
5128 TRACE("(%p, %.2f, %.2f, %d)\n", graphics, dx, dy, order);
5131 return InvalidParameter;
5136 return GdipTranslateMatrix(graphics->worldtrans, dx, dy, order);
5139 /*****************************************************************************
5140 * GdipSetClipHrgn [GDIPLUS.@]
5142 GpStatus WINGDIPAPI GdipSetClipHrgn(GpGraphics *graphics, HRGN hrgn, CombineMode mode)
5147 TRACE("(%p, %p, %d)\n", graphics, hrgn, mode);
5150 return InvalidParameter;
5152 status = GdipCreateRegionHrgn(hrgn, ®ion);
5156 status = GdipSetClipRegion(graphics, region, mode);
5158 GdipDeleteRegion(region);
5162 GpStatus WINGDIPAPI GdipSetClipPath(GpGraphics *graphics, GpPath *path, CombineMode mode)
5164 TRACE("(%p, %p, %d)\n", graphics, path, mode);
5167 return InvalidParameter;
5172 return GdipCombineRegionPath(graphics->clip, path, mode);
5175 GpStatus WINGDIPAPI GdipSetClipRect(GpGraphics *graphics, REAL x, REAL y,
5176 REAL width, REAL height,
5181 TRACE("(%p, %.2f, %.2f, %.2f, %.2f, %d)\n", graphics, x, y, width, height, mode);
5184 return InvalidParameter;
5192 rect.Height = height;
5194 return GdipCombineRegionRect(graphics->clip, &rect, mode);
5197 GpStatus WINGDIPAPI GdipSetClipRectI(GpGraphics *graphics, INT x, INT y,
5198 INT width, INT height,
5201 TRACE("(%p, %d, %d, %d, %d, %d)\n", graphics, x, y, width, height, mode);
5204 return InvalidParameter;
5209 return GdipSetClipRect(graphics, (REAL)x, (REAL)y, (REAL)width, (REAL)height, mode);
5212 GpStatus WINGDIPAPI GdipSetClipRegion(GpGraphics *graphics, GpRegion *region,
5215 TRACE("(%p, %p, %d)\n", graphics, region, mode);
5217 if(!graphics || !region)
5218 return InvalidParameter;
5223 return GdipCombineRegionRegion(graphics->clip, region, mode);
5226 GpStatus WINGDIPAPI GdipSetMetafileDownLevelRasterizationLimit(GpMetafile *metafile,
5231 TRACE("(%p,%u)\n", metafile, limitDpi);
5234 FIXME("not implemented\n");
5236 return NotImplemented;
5239 GpStatus WINGDIPAPI GdipDrawPolygon(GpGraphics *graphics,GpPen *pen,GDIPCONST GpPointF *points,
5245 TRACE("(%p, %p, %d)\n", graphics, points, count);
5247 if(!graphics || !pen || count<=0)
5248 return InvalidParameter;
5255 FIXME("graphics object has no HDC\n");
5259 pti = GdipAlloc(sizeof(POINT) * count);
5261 save_state = prepare_dc(graphics, pen);
5262 SelectObject(graphics->hdc, GetStockObject(NULL_BRUSH));
5264 transform_and_round_points(graphics, pti, (GpPointF*)points, count);
5265 Polygon(graphics->hdc, pti, count);
5267 restore_dc(graphics, save_state);
5273 GpStatus WINGDIPAPI GdipDrawPolygonI(GpGraphics *graphics,GpPen *pen,GDIPCONST GpPoint *points,
5280 TRACE("(%p, %p, %p, %d)\n", graphics, pen, points, count);
5282 if(count<=0) return InvalidParameter;
5283 ptf = GdipAlloc(sizeof(GpPointF) * count);
5285 for(i = 0;i < count; i++){
5286 ptf[i].X = (REAL)points[i].X;
5287 ptf[i].Y = (REAL)points[i].Y;
5290 ret = GdipDrawPolygon(graphics,pen,ptf,count);
5296 GpStatus WINGDIPAPI GdipGetDpiX(GpGraphics *graphics, REAL* dpi)
5298 TRACE("(%p, %p)\n", graphics, dpi);
5300 if(!graphics || !dpi)
5301 return InvalidParameter;
5306 if (graphics->image)
5307 *dpi = graphics->image->xres;
5309 *dpi = (REAL)GetDeviceCaps(graphics->hdc, LOGPIXELSX);
5314 GpStatus WINGDIPAPI GdipGetDpiY(GpGraphics *graphics, REAL* dpi)
5316 TRACE("(%p, %p)\n", graphics, dpi);
5318 if(!graphics || !dpi)
5319 return InvalidParameter;
5324 if (graphics->image)
5325 *dpi = graphics->image->yres;
5327 *dpi = (REAL)GetDeviceCaps(graphics->hdc, LOGPIXELSY);
5332 GpStatus WINGDIPAPI GdipMultiplyWorldTransform(GpGraphics *graphics, GDIPCONST GpMatrix *matrix,
5333 GpMatrixOrder order)
5338 TRACE("(%p, %p, %d)\n", graphics, matrix, order);
5340 if(!graphics || !matrix)
5341 return InvalidParameter;
5346 m = *(graphics->worldtrans);
5348 ret = GdipMultiplyMatrix(&m, matrix, order);
5350 *(graphics->worldtrans) = m;
5355 /* Color used to fill bitmaps so we can tell which parts have been drawn over by gdi32. */
5356 static const COLORREF DC_BACKGROUND_KEY = 0x0c0b0d;
5358 GpStatus WINGDIPAPI GdipGetDC(GpGraphics *graphics, HDC *hdc)
5360 TRACE("(%p, %p)\n", graphics, hdc);
5362 if(!graphics || !hdc)
5363 return InvalidParameter;
5368 if (!graphics->hdc ||
5369 (graphics->image && graphics->image->type == ImageTypeBitmap && ((GpBitmap*)graphics->image)->format & PixelFormatAlpha))
5371 /* Create a fake HDC and fill it with a constant color. */
5376 BITMAPINFOHEADER bmih;
5379 stat = get_graphics_bounds(graphics, &bounds);
5383 graphics->temp_hbitmap_width = bounds.Width;
5384 graphics->temp_hbitmap_height = bounds.Height;
5386 bmih.biSize = sizeof(bmih);
5387 bmih.biWidth = graphics->temp_hbitmap_width;
5388 bmih.biHeight = -graphics->temp_hbitmap_height;
5390 bmih.biBitCount = 32;
5391 bmih.biCompression = BI_RGB;
5392 bmih.biSizeImage = 0;
5393 bmih.biXPelsPerMeter = 0;
5394 bmih.biYPelsPerMeter = 0;
5396 bmih.biClrImportant = 0;
5398 hbitmap = CreateDIBSection(NULL, (BITMAPINFO*)&bmih, DIB_RGB_COLORS,
5399 (void**)&graphics->temp_bits, NULL, 0);
5401 return GenericError;
5403 temp_hdc = CreateCompatibleDC(0);
5406 DeleteObject(hbitmap);
5407 return GenericError;
5410 for (i=0; i<(graphics->temp_hbitmap_width * graphics->temp_hbitmap_height); i++)
5411 ((DWORD*)graphics->temp_bits)[i] = DC_BACKGROUND_KEY;
5413 SelectObject(temp_hdc, hbitmap);
5415 graphics->temp_hbitmap = hbitmap;
5416 *hdc = graphics->temp_hdc = temp_hdc;
5420 *hdc = graphics->hdc;
5423 graphics->busy = TRUE;
5428 GpStatus WINGDIPAPI GdipReleaseDC(GpGraphics *graphics, HDC hdc)
5430 TRACE("(%p, %p)\n", graphics, hdc);
5432 if(!graphics || !hdc)
5433 return InvalidParameter;
5435 if((graphics->hdc != hdc && graphics->temp_hdc != hdc) || !(graphics->busy))
5436 return InvalidParameter;
5438 if (graphics->temp_hdc == hdc)
5443 /* Find the pixels that have changed, and mark them as opaque. */
5444 pos = (DWORD*)graphics->temp_bits;
5445 for (i=0; i<(graphics->temp_hbitmap_width * graphics->temp_hbitmap_height); i++)
5447 if (*pos != DC_BACKGROUND_KEY)
5454 /* Write the changed pixels to the real target. */
5455 alpha_blend_pixels(graphics, 0, 0, graphics->temp_bits,
5456 graphics->temp_hbitmap_width, graphics->temp_hbitmap_height,
5457 graphics->temp_hbitmap_width * 4);
5460 DeleteDC(graphics->temp_hdc);
5461 DeleteObject(graphics->temp_hbitmap);
5462 graphics->temp_hdc = NULL;
5463 graphics->temp_hbitmap = NULL;
5466 graphics->busy = FALSE;
5471 GpStatus WINGDIPAPI GdipGetClip(GpGraphics *graphics, GpRegion *region)
5476 TRACE("(%p, %p)\n", graphics, region);
5478 if(!graphics || !region)
5479 return InvalidParameter;
5484 if((status = GdipCloneRegion(graphics->clip, &clip)) != Ok)
5487 /* free everything except root node and header */
5488 delete_element(®ion->node);
5489 memcpy(region, clip, sizeof(GpRegion));
5495 static GpStatus get_graphics_transform(GpGraphics *graphics, GpCoordinateSpace dst_space,
5496 GpCoordinateSpace src_space, GpMatrix **matrix)
5498 GpStatus stat = GdipCreateMatrix(matrix);
5501 if (dst_space != src_space && stat == Ok)
5503 unitscale = convert_unit(graphics_res(graphics), graphics->unit);
5505 if(graphics->unit != UnitDisplay)
5506 unitscale *= graphics->scale;
5508 /* transform from src_space to CoordinateSpacePage */
5511 case CoordinateSpaceWorld:
5512 GdipMultiplyMatrix(*matrix, graphics->worldtrans, MatrixOrderAppend);
5514 case CoordinateSpacePage:
5516 case CoordinateSpaceDevice:
5517 GdipScaleMatrix(*matrix, 1.0/unitscale, 1.0/unitscale, MatrixOrderAppend);
5521 /* transform from CoordinateSpacePage to dst_space */
5524 case CoordinateSpaceWorld:
5526 GpMatrix *inverted_transform;
5527 stat = GdipCloneMatrix(graphics->worldtrans, &inverted_transform);
5530 stat = GdipInvertMatrix(inverted_transform);
5532 GdipMultiplyMatrix(*matrix, inverted_transform, MatrixOrderAppend);
5533 GdipDeleteMatrix(inverted_transform);
5537 case CoordinateSpacePage:
5539 case CoordinateSpaceDevice:
5540 GdipScaleMatrix(*matrix, unitscale, unitscale, MatrixOrderAppend);
5547 GpStatus WINGDIPAPI GdipTransformPoints(GpGraphics *graphics, GpCoordinateSpace dst_space,
5548 GpCoordinateSpace src_space, GpPointF *points, INT count)
5553 if(!graphics || !points || count <= 0)
5554 return InvalidParameter;
5559 TRACE("(%p, %d, %d, %p, %d)\n", graphics, dst_space, src_space, points, count);
5561 if (src_space == dst_space) return Ok;
5563 stat = get_graphics_transform(graphics, dst_space, src_space, &matrix);
5567 stat = GdipTransformMatrixPoints(matrix, points, count);
5569 GdipDeleteMatrix(matrix);
5575 GpStatus WINGDIPAPI GdipTransformPointsI(GpGraphics *graphics, GpCoordinateSpace dst_space,
5576 GpCoordinateSpace src_space, GpPoint *points, INT count)
5582 TRACE("(%p, %d, %d, %p, %d)\n", graphics, dst_space, src_space, points, count);
5585 return InvalidParameter;
5587 pointsF = GdipAlloc(sizeof(GpPointF) * count);
5591 for(i = 0; i < count; i++){
5592 pointsF[i].X = (REAL)points[i].X;
5593 pointsF[i].Y = (REAL)points[i].Y;
5596 ret = GdipTransformPoints(graphics, dst_space, src_space, pointsF, count);
5599 for(i = 0; i < count; i++){
5600 points[i].X = roundr(pointsF[i].X);
5601 points[i].Y = roundr(pointsF[i].Y);
5608 HPALETTE WINGDIPAPI GdipCreateHalftonePalette(void)
5620 /*****************************************************************************
5621 * GdipTranslateClip [GDIPLUS.@]
5623 GpStatus WINGDIPAPI GdipTranslateClip(GpGraphics *graphics, REAL dx, REAL dy)
5625 TRACE("(%p, %.2f, %.2f)\n", graphics, dx, dy);
5628 return InvalidParameter;
5633 return GdipTranslateRegion(graphics->clip, dx, dy);
5636 /*****************************************************************************
5637 * GdipTranslateClipI [GDIPLUS.@]
5639 GpStatus WINGDIPAPI GdipTranslateClipI(GpGraphics *graphics, INT dx, INT dy)
5641 TRACE("(%p, %d, %d)\n", graphics, dx, dy);
5644 return InvalidParameter;
5649 return GdipTranslateRegion(graphics->clip, (REAL)dx, (REAL)dy);
5653 /*****************************************************************************
5654 * GdipMeasureDriverString [GDIPLUS.@]
5656 GpStatus WINGDIPAPI GdipMeasureDriverString(GpGraphics *graphics, GDIPCONST UINT16 *text, INT length,
5657 GDIPCONST GpFont *font, GDIPCONST PointF *positions,
5658 INT flags, GDIPCONST GpMatrix *matrix, RectF *boundingBox)
5660 FIXME("(%p %p %d %p %p %d %p %p): stub\n", graphics, text, length, font, positions, flags, matrix, boundingBox);
5661 return NotImplemented;
5664 /*****************************************************************************
5665 * GdipDrawDriverString [GDIPLUS.@]
5667 GpStatus WINGDIPAPI GdipDrawDriverString(GpGraphics *graphics, GDIPCONST UINT16 *text, INT length,
5668 GDIPCONST GpFont *font, GDIPCONST GpBrush *brush,
5669 GDIPCONST PointF *positions, INT flags,
5670 GDIPCONST GpMatrix *matrix )
5672 FIXME("(%p %p %d %p %p %p %d %p): stub\n", graphics, text, length, font, brush, positions, flags, matrix);
5673 return NotImplemented;
5676 GpStatus WINGDIPAPI GdipRecordMetafile(HDC hdc, EmfType type, GDIPCONST GpRectF *frameRect,
5677 MetafileFrameUnit frameUnit, GDIPCONST WCHAR *desc, GpMetafile **metafile)
5679 FIXME("(%p %d %p %d %p %p): stub\n", hdc, type, frameRect, frameUnit, desc, metafile);
5680 return NotImplemented;
5683 /*****************************************************************************
5684 * GdipRecordMetafileI [GDIPLUS.@]
5686 GpStatus WINGDIPAPI GdipRecordMetafileI(HDC hdc, EmfType type, GDIPCONST GpRect *frameRect,
5687 MetafileFrameUnit frameUnit, GDIPCONST WCHAR *desc, GpMetafile **metafile)
5689 FIXME("(%p %d %p %d %p %p): stub\n", hdc, type, frameRect, frameUnit, desc, metafile);
5690 return NotImplemented;
5693 GpStatus WINGDIPAPI GdipRecordMetafileStream(IStream *stream, HDC hdc, EmfType type, GDIPCONST GpRect *frameRect,
5694 MetafileFrameUnit frameUnit, GDIPCONST WCHAR *desc, GpMetafile **metafile)
5696 FIXME("(%p %p %d %p %d %p %p): stub\n", stream, hdc, type, frameRect, frameUnit, desc, metafile);
5697 return NotImplemented;
5700 /*****************************************************************************
5701 * GdipIsVisibleClipEmpty [GDIPLUS.@]
5703 GpStatus WINGDIPAPI GdipIsVisibleClipEmpty(GpGraphics *graphics, BOOL *res)
5708 TRACE("(%p, %p)\n", graphics, res);
5710 if((stat = GdipCreateRegion(&rgn)) != Ok)
5713 if((stat = get_visible_clip_region(graphics, rgn)) != Ok)
5716 stat = GdipIsEmptyRegion(rgn, graphics, res);
5719 GdipDeleteRegion(rgn);
5723 GpStatus WINGDIPAPI GdipGetHemfFromMetafile(GpMetafile *metafile, HENHMETAFILE *hEmf)
5725 FIXME("(%p,%p): stub\n", metafile, hEmf);
5727 if (!metafile || !hEmf)
5728 return InvalidParameter;
5732 return NotImplemented;