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Detect inverse-fill, and treat its bounds as huge (all of integer space) for the

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purposes of comparing w/ the clip-bounds, otherwise we can reject the draw if
the bounds of the path are outside the bounds of the clip.
Review URL: https://codereview.appspot.com/6302058

git-svn-id: http://skia.googlecode.com/svn/trunk@4214 2bbb7eff-a529-9590-31e7-b0007b416f81
This commit is contained in:
reed@google.com 2012-06-08 16:30:12 +00:00
parent b073d920c9
commit 97caebc746
1 changed files with 10 additions and 1 deletions
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11
src/core/SkScan_Path.cpp
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@ -540,6 +540,14 @@ void sk_blit_below(SkBlitter* blitter, const SkIRect& ir, const SkRegion& clip)
///////////////////////////////////////////////////////////////////////////////
static const SkIRect gHugeIRect = {
SK_MinS32, SK_MinS32, SK_MaxS32, SK_MaxS32
};
/**
* If the caller is drawing an inverse-fill path, then it shouldn't pass a
* huge rect for ir, since the path draws "everywhere".
*/
SkScanClipper::SkScanClipper(SkBlitter* blitter, const SkRegion* clip,
const SkIRect& ir) {
fBlitter = NULL; // null means blit nothing
@ -610,7 +618,8 @@ void SkScan::FillPath(const SkPath& path, const SkRegion& origClip,
return;
}
SkScanClipper clipper(blitter, clipPtr, ir);
SkScanClipper clipper(blitter, clipPtr,
path.isInverseFillType() ? gHugeIRect : ir);
blitter = clipper.getBlitter();
if (blitter) {