change SkMaskFilter methods to const, in preparation for making the class as
immutable and re-entrant safe.
Review URL: https://codereview.appspot.com/6944069
git-svn-id: http://skia.googlecode.com/svn/trunk@6881 2bbb7eff-a529-9590-31e7-b0007b416f81
diff --git a/src/effects/SkBlurMaskFilter.cpp b/src/effects/SkBlurMaskFilter.cpp
index a3991ca..c49a785 100644
--- a/src/effects/SkBlurMaskFilter.cpp
+++ b/src/effects/SkBlurMaskFilter.cpp
@@ -17,18 +17,18 @@
uint32_t flags);
// overrides from SkMaskFilter
- virtual SkMask::Format getFormat() SK_OVERRIDE;
+ virtual SkMask::Format getFormat() const SK_OVERRIDE;
virtual bool filterMask(SkMask* dst, const SkMask& src, const SkMatrix&,
- SkIPoint* margin) SK_OVERRIDE;
+ SkIPoint* margin) const SK_OVERRIDE;
virtual BlurType asABlur(BlurInfo*) const SK_OVERRIDE;
- virtual void computeFastBounds(const SkRect& src, SkRect* dst) SK_OVERRIDE;
+ virtual void computeFastBounds(const SkRect&, SkRect*) const SK_OVERRIDE;
SK_DECLARE_PUBLIC_FLATTENABLE_DESERIALIZATION_PROCS(SkBlurMaskFilterImpl)
protected:
virtual FilterReturn filterRectsToNine(const SkRect[], int count, const SkMatrix&,
const SkIRect& clipBounds,
- NinePatch*) SK_OVERRIDE;
+ NinePatch*) const SK_OVERRIDE;
private:
SkScalar fRadius;
@@ -74,12 +74,13 @@
SkASSERT(flags <= SkBlurMaskFilter::kAll_BlurFlag);
}
-SkMask::Format SkBlurMaskFilterImpl::getFormat() {
+SkMask::Format SkBlurMaskFilterImpl::getFormat() const {
return SkMask::kA8_Format;
}
bool SkBlurMaskFilterImpl::filterMask(SkMask* dst, const SkMask& src,
- const SkMatrix& matrix, SkIPoint* margin) {
+ const SkMatrix& matrix,
+ SkIPoint* margin) const{
SkScalar radius;
if (fBlurFlags & SkBlurMaskFilter::kIgnoreTransform_BlurFlag) {
radius = fRadius;
@@ -153,7 +154,7 @@
SkBlurMaskFilterImpl::filterRectsToNine(const SkRect rects[], int count,
const SkMatrix& matrix,
const SkIRect& clipBounds,
- NinePatch* patch) {
+ NinePatch* patch) const {
if (count < 1 || count > 2) {
return kUnimplemented_FilterReturn;
}
@@ -249,7 +250,8 @@
return kTrue_FilterReturn;
}
-void SkBlurMaskFilterImpl::computeFastBounds(const SkRect& src, SkRect* dst) {
+void SkBlurMaskFilterImpl::computeFastBounds(const SkRect& src,
+ SkRect* dst) const {
dst->set(src.fLeft - fRadius, src.fTop - fRadius,
src.fRight + fRadius, src.fBottom + fRadius);
}