/*****************************************************************************
* GdipCombineRegionRect [GDIPLUS.@]
*/
GpStatus WINGDIPAPI GdipCombineRegionRect(GpRegion *region,
GDIPCONST GpRectF *rect, CombineMode mode)
{
GpRegion *rect_region;
region_element *left, *right = NULL;
GpStatus stat;
TRACE("%p %s %d\n", region, debugstr_rectf(rect), mode);
if (!(region && rect))
return InvalidParameter;
stat = GdipCreateRegionRect(rect, &rect_region);
if (stat != Ok)
return stat;
/* simply replace region data */
if(mode == CombineModeReplace){
delete_element(®ion->node);
memcpy(region, rect_region, sizeof(GpRegion));
heap_free(rect_region);
return Ok;
}
left = heap_alloc_zero(sizeof(region_element));
if (left)
{
memcpy(left, ®ion->node, sizeof(region_element));
stat = clone_element(&rect_region->node, &right);
if (stat == Ok)
{
fuse_region(region, left, right, mode);
GdipDeleteRegion(rect_region);
return Ok;
}
}
else
stat = OutOfMemory;
heap_free(left);
GdipDeleteRegion(rect_region);
return stat;
}
/*****************************************************************************
* GdipGetRegionBounds [GDIPLUS.@]
*/
GpStatus WINGDIPAPI GdipGetRegionBounds(GpRegion *region, GpGraphics *graphics, GpRectF *rect)
{
HRGN hrgn;
RECT r;
GpStatus status;
TRACE("(%p, %p, %p)\n", region, graphics, rect);
if(!region || !graphics || !rect)
return InvalidParameter;
/* Contrary to MSDN, native ignores the graphics transform. */
status = GdipGetRegionHRgn(region, NULL, &hrgn);
if(status != Ok)
return status;
/* infinite */
if(!hrgn){
rect->X = rect->Y = -(REAL)(1 << 22);
rect->Width = rect->Height = (REAL)(1 << 23);
TRACE("%p => infinite\n", region);
return Ok;
}
if(GetRgnBox(hrgn, &r)){
rect->X = r.left;
rect->Y = r.top;
rect->Width = r.right - r.left;
rect->Height = r.bottom - r.top;
TRACE("%p => %s\n", region, debugstr_rectf(rect));
}
else
status = GenericError;
DeleteObject(hrgn);
return status;
}
GpStatus WINGDIPAPI GdipEnumerateMetafileSrcRectDestPoints(GpGraphics *graphics,
GDIPCONST GpMetafile *metafile, GDIPCONST GpPointF *destPoints, INT count,
GDIPCONST GpRectF *srcRect, Unit srcUnit, EnumerateMetafileProc callback,
VOID *callbackData, GDIPCONST GpImageAttributes *imageAttributes)
{
struct enum_metafile_data data;
GpStatus stat;
GpMetafile *real_metafile = (GpMetafile*)metafile; /* whoever made this const was joking */
GraphicsContainer state;
GpPath *dst_path;
TRACE("(%p,%p,%p,%i,%p,%i,%p,%p,%p)\n", graphics, metafile,
destPoints, count, srcRect, srcUnit, callback, callbackData,
imageAttributes);
if (!graphics || !metafile || !destPoints || count != 3 || !srcRect)
return InvalidParameter;
if (!metafile->hemf)
return InvalidParameter;
if (metafile->playback_graphics)
return ObjectBusy;
TRACE("%s %i -> %s %s %s\n", debugstr_rectf(srcRect), srcUnit,
debugstr_pointf(&destPoints[0]), debugstr_pointf(&destPoints[1]),
debugstr_pointf(&destPoints[2]));
data.callback = callback;
data.callback_data = callbackData;
data.metafile = real_metafile;
real_metafile->playback_graphics = graphics;
real_metafile->playback_dc = NULL;
real_metafile->src_rect = *srcRect;
memcpy(real_metafile->playback_points, destPoints, sizeof(PointF) * 3);
stat = GdipTransformPoints(graphics, CoordinateSpaceDevice, CoordinateSpaceWorld, real_metafile->playback_points, 3);
if (stat == Ok)
stat = GdipBeginContainer2(graphics, &state);
if (stat == Ok)
{
stat = GdipSetPageScale(graphics, 1.0);
if (stat == Ok)
stat = GdipSetPageUnit(graphics, UnitPixel);
if (stat == Ok)
stat = GdipResetWorldTransform(graphics);
if (stat == Ok)
stat = GdipCreateRegion(&real_metafile->base_clip);
if (stat == Ok)
stat = GdipGetClip(graphics, real_metafile->base_clip);
if (stat == Ok)
stat = GdipCreatePath(FillModeAlternate, &dst_path);
if (stat == Ok)
{
GpPointF clip_points[4];
clip_points[0] = real_metafile->playback_points[0];
clip_points[1] = real_metafile->playback_points[1];
clip_points[2].X = real_metafile->playback_points[1].X + real_metafile->playback_points[2].X
- real_metafile->playback_points[0].X;
clip_points[2].Y = real_metafile->playback_points[1].Y + real_metafile->playback_points[2].Y
- real_metafile->playback_points[0].Y;
clip_points[3] = real_metafile->playback_points[2];
stat = GdipAddPathPolygon(dst_path, clip_points, 4);
if (stat == Ok)
stat = GdipCombineRegionPath(real_metafile->base_clip, dst_path, CombineModeIntersect);
GdipDeletePath(dst_path);
}
if (stat == Ok)
stat = GdipCreateMatrix(&real_metafile->world_transform);
if (stat == Ok)
{
real_metafile->page_unit = UnitDisplay;
real_metafile->page_scale = 1.0;
stat = METAFILE_PlaybackUpdateWorldTransform(real_metafile);
}
if (stat == Ok)
{
stat = METAFILE_PlaybackUpdateClip(real_metafile);
}
if (stat == Ok && (metafile->metafile_type == MetafileTypeEmf ||
metafile->metafile_type == MetafileTypeWmfPlaceable ||
metafile->metafile_type == MetafileTypeWmf))
stat = METAFILE_PlaybackGetDC(real_metafile);
if (stat == Ok)
EnumEnhMetaFile(0, metafile->hemf, enum_metafile_proc, &data, NULL);
METAFILE_PlaybackReleaseDC(real_metafile);
GdipDeleteMatrix(real_metafile->world_transform);
real_metafile->world_transform = NULL;
GdipDeleteRegion(real_metafile->base_clip);
real_metafile->base_clip = NULL;
GdipEndContainer(graphics, state);
}
real_metafile->playback_graphics = NULL;
return stat;
}
