AuroraMiddleware/skia2
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use SkRegion instead of SkScan/SkBlitter, as we want to privatize the latter

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git-svn-id: http://skia.googlecode.com/svn/trunk@5037 2bbb7eff-a529-9590-31e7-b0007b416f81
This commit is contained in:
reed@google.com 2012-08-09 19:18:02 +00:00
parent 59823f7f3b
commit 6db9375b4f
1 changed files with 14 additions and 21 deletions
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35
src/effects/Sk2DPathEffect.cpp
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@ -8,25 +8,9 @@
#include "Sk2DPathEffect.h"
#include "SkBlitter.h"
#include "SkFlattenableBuffers.h"
#include "SkPath.h"
#include "SkScan.h"
class Sk2DPathEffectBlitter : public SkBlitter {
public:
Sk2DPathEffectBlitter(Sk2DPathEffect* pe, SkPath* dst)
: fPE(pe), fDst(dst) {}
virtual void blitH(int x, int y, int count) {
fPE->nextSpan(x, y, count, fDst);
}
private:
Sk2DPathEffect* fPE;
SkPath* fDst;
};
///////////////////////////////////////////////////////////////////////////////
#include "SkRegion.h"
Sk2DPathEffect::Sk2DPathEffect(const SkMatrix& mat) : fMatrix(mat) {
fMatrixIsInvertible = mat.invert(&fInverse);
@ -37,15 +21,24 @@ bool Sk2DPathEffect::filterPath(SkPath* dst, const SkPath& src, SkStrokeRec*) {
return false;
}
Sk2DPathEffectBlitter blitter(this, dst);
SkPath tmp;
SkIRect ir;
SkPath tmp;
SkIRect ir;
src.transform(fInverse, &tmp);
tmp.getBounds().round(&ir);
if (!ir.isEmpty()) {
this->begin(ir, dst);
SkScan::FillPath(tmp, ir, &blitter);
SkRegion rgn;
rgn.setPath(tmp, SkRegion(ir));
SkRegion::Iterator iter(rgn);
for (; !iter.done(); iter.next()) {
const SkIRect& rect = iter.rect();
for (int y = rect.fTop; y < rect.fBottom; ++y) {
this->nextSpan(rect.fLeft, y, rect.width(), dst);
}
}
this->end(dst);
}
return true;