AuroraMiddleware/skia2
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add op(rgn, op)

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git-svn-id: http://skia.googlecode.com/svn/trunk@2454 2bbb7eff-a529-9590-31e7-b0007b416f81
This commit is contained in:
reed@google.com 2011-10-11 13:15:03 +00:00
parent 294dd7b3d7
commit ba16da97e8
2 changed files with 29 additions and 2 deletions
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25
src/core/SkRasterClip.cpp
View File

@ -12,6 +12,12 @@ SkRasterClip::SkRasterClip() {
fIsBW = true;
}
SkRasterClip::SkRasterClip(const SkIRect& bounds) : fBW(bounds) {
fIsBW = true;
}
SkRasterClip::~SkRasterClip() {}
bool SkRasterClip::isEmpty() const {
return fIsBW ? fBW.isEmpty() : fAA.isEmpty();
}
@ -35,7 +41,7 @@ bool SkRasterClip::setEmpty() {
return false;
}
bool SkRasterClip::setIRect(const SkIRect& rect) {
bool SkRasterClip::setRect(const SkIRect& rect) {
fIsBW = true;
fAA.setEmpty();
return fBW.setRect(rect);
@ -76,6 +82,16 @@ bool SkRasterClip::op(const SkIRect& rect, SkRegion::Op op) {
return fIsBW ? fBW.op(rect, op) : fAA.op(rect, op);
}
bool SkRasterClip::op(const SkRegion& rgn, SkRegion::Op op) {
if (fIsBW) {
return fBW.op(rgn, op);
} else {
SkAAClip tmp;
tmp.setRegion(rgn);
return fAA.op(tmp, op);
}
}
bool SkRasterClip::op(const SkRasterClip& clip, SkRegion::Op op) {
if (this->isBW() && clip.isBW()) {
return fBW.op(clip.fBW, op);
@ -96,6 +112,13 @@ bool SkRasterClip::op(const SkRasterClip& clip, SkRegion::Op op) {
}
}
const SkRegion& SkRasterClip::forceGetBW() {
if (!fIsBW) {
fBW.setRect(fAA.getBounds());
}
return fBW;
}
void SkRasterClip::convertToAA() {
SkASSERT(fIsBW);
fAA.setRegion(fBW);

6
src/core/SkRasterClip.h
View File

@ -14,6 +14,7 @@
class SkRasterClip {
public:
SkRasterClip();
SkRasterClip(const SkIRect&);
SkRasterClip(const SkRasterClip&);
~SkRasterClip();
@ -26,18 +27,21 @@ public:
const SkIRect& getBounds() const;
bool setEmpty();
bool setIRect(const SkIRect&);
bool setRect(const SkIRect&);
bool setPath(const SkPath& path, const SkRegion& clip, bool doAA);
bool setPath(const SkPath& path, const SkIRect& clip, bool doAA);
bool setPath(const SkPath& path, const SkRasterClip&, bool doAA);
bool op(const SkIRect&, SkRegion::Op);
bool op(const SkRegion&, SkRegion::Op);
bool op(const SkRasterClip&, SkRegion::Op);
const SkRegion& bwRgn() const { SkASSERT(fIsBW); return fBW; }
const SkAAClip& aaRgn() const { SkASSERT(!fIsBW); return fAA; }
const SkRegion& forceGetBW();
private:
SkRegion fBW;
SkAAClip fAA;