diff options
| -rw-r--r-- | include/core/SkCanvas.h | 27 | ||||
| -rw-r--r-- | src/core/SkCanvas.cpp | 33 |
2 files changed, 45 insertions, 15 deletions
diff --git a/include/core/SkCanvas.h b/include/core/SkCanvas.h index 40b5c56..3a10ca4 100644 --- a/include/core/SkCanvas.h +++ b/include/core/SkCanvas.h @@ -772,14 +772,31 @@ private: mutable SkRectCompareType fLocalBoundsCompareType; mutable bool fLocalBoundsCompareTypeDirty; + mutable SkRectCompareType fLocalBoundsCompareTypeBW; + mutable bool fLocalBoundsCompareTypeDirtyBW; + + /* Get the local clip bounds with an anti-aliased edge. + */ const SkRectCompareType& getLocalClipBoundsCompareType() const { - if (fLocalBoundsCompareTypeDirty) { - this->computeLocalClipBoundsCompareType(); - fLocalBoundsCompareTypeDirty = false; + return getLocalClipBoundsCompareType(kAA_EdgeType); + } + + const SkRectCompareType& getLocalClipBoundsCompareType(EdgeType et) const { + if (et == kAA_EdgeType) { + if (fLocalBoundsCompareTypeDirty) { + this->computeLocalClipBoundsCompareType(et); + fLocalBoundsCompareTypeDirty = false; + } + return fLocalBoundsCompareType; + } else { + if (fLocalBoundsCompareTypeDirtyBW) { + this->computeLocalClipBoundsCompareType(et); + fLocalBoundsCompareTypeDirtyBW = false; + } + return fLocalBoundsCompareTypeBW; } - return fLocalBoundsCompareType; } - void computeLocalClipBoundsCompareType() const; + void computeLocalClipBoundsCompareType(EdgeType et) const; }; /** Stack helper class to automatically call restoreToCount() on the canvas diff --git a/src/core/SkCanvas.cpp b/src/core/SkCanvas.cpp index c7c53db..61998ec 100644 --- a/src/core/SkCanvas.cpp +++ b/src/core/SkCanvas.cpp @@ -390,6 +390,7 @@ private: SkDevice* SkCanvas::init(SkDevice* device) { fBounder = NULL; fLocalBoundsCompareTypeDirty = true; + fLocalBoundsCompareTypeDirtyBW = true; fLastDeviceToGainFocus = NULL; fDeviceCMDirty = false; @@ -687,6 +688,7 @@ void SkCanvas::internalRestore() { fDeviceCMDirty = true; fLocalBoundsCompareTypeDirty = true; + fLocalBoundsCompareTypeDirtyBW = true; // reserve our layer (if any) DeviceCM* layer = fMCRec->fLayer; // may be null @@ -770,36 +772,42 @@ void SkCanvas::drawDevice(SkDevice* device, int x, int y, bool SkCanvas::translate(SkScalar dx, SkScalar dy) { fDeviceCMDirty = true; fLocalBoundsCompareTypeDirty = true; + fLocalBoundsCompareTypeDirtyBW = true; return fMCRec->fMatrix->preTranslate(dx, dy); } bool SkCanvas::scale(SkScalar sx, SkScalar sy) { fDeviceCMDirty = true; fLocalBoundsCompareTypeDirty = true; + fLocalBoundsCompareTypeDirtyBW = true; return fMCRec->fMatrix->preScale(sx, sy); } bool SkCanvas::rotate(SkScalar degrees) { fDeviceCMDirty = true; fLocalBoundsCompareTypeDirty = true; + fLocalBoundsCompareTypeDirtyBW = true; return fMCRec->fMatrix->preRotate(degrees); } bool SkCanvas::skew(SkScalar sx, SkScalar sy) { fDeviceCMDirty = true; fLocalBoundsCompareTypeDirty = true; + fLocalBoundsCompareTypeDirtyBW = true; return fMCRec->fMatrix->preSkew(sx, sy); } bool SkCanvas::concat(const SkMatrix& matrix) { fDeviceCMDirty = true; fLocalBoundsCompareTypeDirty = true; + fLocalBoundsCompareTypeDirtyBW = true; return fMCRec->fMatrix->preConcat(matrix); } void SkCanvas::setMatrix(const SkMatrix& matrix) { fDeviceCMDirty = true; fLocalBoundsCompareTypeDirty = true; + fLocalBoundsCompareTypeDirtyBW = true; *fMCRec->fMatrix = matrix; } @@ -817,6 +825,7 @@ void SkCanvas::resetMatrix() { bool SkCanvas::clipRect(const SkRect& rect, SkRegion::Op op) { fDeviceCMDirty = true; fLocalBoundsCompareTypeDirty = true; + fLocalBoundsCompareTypeDirtyBW = true; if (fMCRec->fMatrix->rectStaysRect()) { // for these simpler matrices, we can stay a rect ever after applying @@ -844,6 +853,7 @@ bool SkCanvas::clipRect(const SkRect& rect, SkRegion::Op op) { bool SkCanvas::clipPath(const SkPath& path, SkRegion::Op op) { fDeviceCMDirty = true; fLocalBoundsCompareTypeDirty = true; + fLocalBoundsCompareTypeDirtyBW = true; SkPath devPath; path.transform(*fMCRec->fMatrix, &devPath); @@ -868,20 +878,23 @@ bool SkCanvas::clipPath(const SkPath& path, SkRegion::Op op) { bool SkCanvas::clipRegion(const SkRegion& rgn, SkRegion::Op op) { fDeviceCMDirty = true; fLocalBoundsCompareTypeDirty = true; + fLocalBoundsCompareTypeDirtyBW = true; return fMCRec->fRegion->op(rgn, op); } -void SkCanvas::computeLocalClipBoundsCompareType() const { +void SkCanvas::computeLocalClipBoundsCompareType(EdgeType et) const { SkRect r; - - if (!this->getClipBounds(&r, kAA_EdgeType)) { - fLocalBoundsCompareType.setEmpty(); + SkRectCompareType& rCompare = et == kAA_EdgeType ? fLocalBoundsCompareType : + fLocalBoundsCompareTypeBW; + + if (!this->getClipBounds(&r, et)) { + rCompare.setEmpty(); } else { - fLocalBoundsCompareType.set(SkScalarToCompareType(r.fLeft), - SkScalarToCompareType(r.fTop), - SkScalarToCompareType(r.fRight), - SkScalarToCompareType(r.fBottom)); + rCompare.set(SkScalarToCompareType(r.fLeft), + SkScalarToCompareType(r.fTop), + SkScalarToCompareType(r.fRight), + SkScalarToCompareType(r.fBottom)); } } @@ -889,7 +902,7 @@ void SkCanvas::computeLocalClipBoundsCompareType() const { getLocalClipBoundsCompareType(), which always returns a value assuming antialiasing (worst case) */ -bool SkCanvas::quickReject(const SkRect& rect, EdgeType) const { +bool SkCanvas::quickReject(const SkRect& rect, EdgeType et) const { if (fMCRec->fRegion->isEmpty()) { return true; } @@ -901,7 +914,7 @@ bool SkCanvas::quickReject(const SkRect& rect, EdgeType) const { dst.roundOut(&idst); return !SkIRect::Intersects(idst, fMCRec->fRegion->getBounds()); } else { - const SkRectCompareType& clipR = this->getLocalClipBoundsCompareType(); + const SkRectCompareType& clipR = this->getLocalClipBoundsCompareType(et); // for speed, do the most likely reject compares first SkScalarCompareType userT = SkScalarToCompareType(rect.fTop); |