diff options
Diffstat (limited to 'include/core/SkImageFilter.h')
| -rw-r--r-- | include/core/SkImageFilter.h | 11 |
1 files changed, 8 insertions, 3 deletions
diff --git a/include/core/SkImageFilter.h b/include/core/SkImageFilter.h index d1b1483386..4493d282dd 100644 --- a/include/core/SkImageFilter.h +++ b/include/core/SkImageFilter.h @@ -88,12 +88,16 @@ public: /** * Apply this cropRect to the imageBounds. If a given edge of the cropRect is not - * set, then the corresponding edge from imageBounds will be used. + * set, then the corresponding edge from imageBounds will be used. If "embiggen" + * is true, the crop rect is allowed to enlarge the size of the rect, otherwise + * it may only reduce the rect. Filters that can affect transparent black should + * pass "true", while all other filters should pass "false". * * Note: imageBounds is in "device" space, as the output cropped rectangle will be, * so the matrix is ignored for those. It is only applied the croprect's bounds. */ - void applyTo(const SkIRect& imageBounds, const SkMatrix&, SkIRect* cropped) const; + void applyTo(const SkIRect& imageBounds, const SkMatrix&, bool embiggen, + SkIRect* cropped) const; private: SkRect fRect; @@ -249,7 +253,7 @@ public: virtual SkRect computeFastBounds(const SkRect&) const; // Can this filter DAG compute the resulting bounds of an object-space rectangle? - virtual bool canComputeFastBounds() const; + bool canComputeFastBounds() const; /** * If this filter can be represented by another filter + a localMatrix, return that filter, @@ -466,6 +470,7 @@ private: SkBitmap* result, SkIPoint* offset) const; bool usesSrcInput() const { return fUsesSrcInput; } + virtual bool affectsTransparentBlack() const { return false; } typedef SkFlattenable INHERITED; int fInputCount; |