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gdiplus: Clip metafile drawing to destination points. 

Signed-off-by: Vincent Povirk <vincent@codeweavers.com>
Signed-off-by: Alexandre Julliard <julliard@winehq.org>
This commit is contained in:
Vincent Povirk 2016-06-24 12:51:40 -05:00 committed by Alexandre Julliard
parent 9df85c48aa
commit 10516308a8
2 changed files with 47 additions and 0 deletions
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1
dlls/gdiplus/gdiplus_private.h
View File

@ -358,6 +358,7 @@ struct GpMetafile{
GpMatrix *world_transform;
GpUnit page_unit;
REAL page_scale;
GpRegion *base_clip; /* clip region in device space for all metafile output */
};
struct GpBitmap{

46
dlls/gdiplus/metafile.c
View File

@ -591,6 +591,11 @@ static void METAFILE_PlaybackReleaseDC(GpMetafile *metafile)
}
}
static GpStatus METAFILE_PlaybackUpdateClip(GpMetafile *metafile)
{
return GdipCombineRegionRegion(metafile->playback_graphics->clip, metafile->base_clip, CombineModeReplace);
}
static GpStatus METAFILE_PlaybackUpdateWorldTransform(GpMetafile *metafile)
{
GpMatrix *real_transform;
@ -822,6 +827,7 @@ GpStatus WINGDIPAPI GdipEnumerateMetafileSrcRectDestPoints(GpGraphics *graphics,
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,
@ -861,6 +867,38 @@ GpStatus WINGDIPAPI GdipEnumerateMetafileSrcRectDestPoints(GpGraphics *graphics,
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);
@ -871,6 +909,11 @@ GpStatus WINGDIPAPI GdipEnumerateMetafileSrcRectDestPoints(GpGraphics *graphics,
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))
@ -884,6 +927,9 @@ GpStatus WINGDIPAPI GdipEnumerateMetafileSrcRectDestPoints(GpGraphics *graphics,
GdipDeleteMatrix(real_metafile->world_transform);
real_metafile->world_transform = NULL;
GdipDeleteRegion(real_metafile->base_clip);
real_metafile->base_clip = NULL;
GdipEndContainer(graphics, state);
}