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gdiplus: Implement EMR_EXTSELECTCLIPRGN playback.

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Signed-off-by: Vincent Povirk <vincent@codeweavers.com>
Signed-off-by: Alexandre Julliard <julliard@winehq.org>
This commit is contained in:
Vincent Povirk 2016-10-11 11:06:56 -05:00 committed by Alexandre Julliard
parent da819ebe02
commit 069f20d1b3
1 changed files with 36 additions and 9 deletions
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45
dlls/gdiplus/metafile.c
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@ -1040,21 +1040,27 @@ GpStatus WINGDIPAPI GdipGetHemfFromMetafile(GpMetafile *metafile, HENHMETAFILE *
return Ok;
}
static GpStatus METAFILE_PlaybackUpdateGdiTransform(GpMetafile *metafile)
static void METAFILE_GetFinalGdiTransform(const GpMetafile *metafile, XFORM *result)
{
XFORM combined, final;
const GpRectF *rect;
const GpPointF *pt;
/* This transforms metafile device space to output points. */
rect = &metafile->src_rect;
pt = metafile->playback_points;
final.eM11 = (pt[1].X - pt[0].X) / rect->Width;
final.eM21 = (pt[2].X - pt[0].X) / rect->Height;
final.eDx = pt[0].X - final.eM11 * rect->X - final.eM21 * rect->Y;
final.eM12 = (pt[1].Y - pt[0].Y) / rect->Width;
final.eM22 = (pt[2].Y - pt[0].Y) / rect->Height;
final.eDy = pt[0].Y - final.eM12 * rect->X - final.eM22 * rect->Y;
result->eM11 = (pt[1].X - pt[0].X) / rect->Width;
result->eM21 = (pt[2].X - pt[0].X) / rect->Height;
result->eDx = pt[0].X - result->eM11 * rect->X - result->eM21 * rect->Y;
result->eM12 = (pt[1].Y - pt[0].Y) / rect->Width;
result->eM22 = (pt[2].Y - pt[0].Y) / rect->Height;
result->eDy = pt[0].Y - result->eM12 * rect->X - result->eM22 * rect->Y;
}
static GpStatus METAFILE_PlaybackUpdateGdiTransform(GpMetafile *metafile)
{
XFORM combined, final;
METAFILE_GetFinalGdiTransform(metafile, &final);
CombineTransform(&combined, &metafile->gdiworldtransform, &final);
@ -1154,7 +1160,6 @@ GpStatus WINGDIPAPI GdipPlayMetafileRecord(GDIPCONST GpMetafile *metafile,
case EMR_SETWINDOWEXTEX:
case EMR_SETVIEWPORTORGEX:
case EMR_SETVIEWPORTEXTEX:
case EMR_EXTSELECTCLIPRGN:
case EMR_SCALEVIEWPORTEXTEX:
case EMR_SCALEWINDOWEXTEX:
case EMR_MODIFYWORLDTRANSFORM:
@ -1167,6 +1172,28 @@ GpStatus WINGDIPAPI GdipPlayMetafileRecord(GDIPCONST GpMetafile *metafile,
METAFILE_PlaybackUpdateGdiTransform(real_metafile);
break;
}
case EMR_EXTSELECTCLIPRGN:
{
DWORD rgndatasize = *(DWORD*)data;
DWORD mode = *(DWORD*)(data + 4);
const RGNDATA *rgndata = (const RGNDATA*)(data + 8);
HRGN hrgn = NULL;
if (dataSize > 8)
{
XFORM final;
METAFILE_GetFinalGdiTransform(metafile, &final);
hrgn = ExtCreateRegion(&final, rgndatasize, rgndata);
}
ExtSelectClipRgn(metafile->playback_dc, hrgn, mode);
DeleteObject(hrgn);
return Ok;
}
default:
break;
}