diff options
Diffstat (limited to 'include/core/SkCanvas.h')
| -rw-r--r-- | include/core/SkCanvas.h | 18 |
1 files changed, 13 insertions, 5 deletions
diff --git a/include/core/SkCanvas.h b/include/core/SkCanvas.h index 773df89d78..50d319c772 100644 --- a/include/core/SkCanvas.h +++ b/include/core/SkCanvas.h @@ -358,7 +358,7 @@ public: by calls to save/restore. @return The value to pass to restoreToCount() to balance this save() */ - virtual int save(SaveFlags flags = kMatrixClip_SaveFlag); + int save(SaveFlags flags = kMatrixClip_SaveFlag); /** This behaves the same as save(), but in addition it allocates an offscreen bitmap. All drawing calls are directed there, and only when @@ -373,8 +373,8 @@ public: @param flags LayerFlags @return The value to pass to restoreToCount() to balance this save() */ - virtual int saveLayer(const SkRect* bounds, const SkPaint* paint, - SaveFlags flags = kARGB_ClipLayer_SaveFlag); + int saveLayer(const SkRect* bounds, const SkPaint* paint, + SaveFlags flags = kARGB_ClipLayer_SaveFlag); /** This behaves the same as save(), but in addition it allocates an offscreen bitmap. All drawing calls are directed there, and only when @@ -396,7 +396,7 @@ public: call. It is an error to call restore() more times than save() was called. */ - virtual void restore(); + void restore(); /** Returns the number of matrix/clip states on the SkCanvas' private stack. This will equal # save() calls - # restore() calls + 1. The save count on @@ -1178,6 +1178,14 @@ protected: // default impl defers to its device virtual const void* onPeekPixels(SkImageInfo*, size_t* rowBytes); + // Subclass save/restore notifiers. These are called *before* updating the canvas state. + // Overriders should call the corresponding INHERITED method up the inheritance chain. + // For onSaveLayer(), returning false suppresses full layer allocation (and forces + // the base impl to only perform a state save + bounds clip). + virtual void onSave(SaveFlags); + virtual bool onSaveLayer(const SkRect*, const SkPaint*, SaveFlags); + virtual void onRestore(); + virtual void onDrawDRRect(const SkRRect&, const SkRRect&, const SkPaint&); enum ClipEdgeStyle { @@ -1277,7 +1285,7 @@ private: const SkRect& dst, const SkPaint* paint); void internalDrawPaint(const SkPaint& paint); int internalSaveLayer(const SkRect* bounds, const SkPaint* paint, - SaveFlags, bool justForImageFilter); + SaveFlags, bool justForImageFilter, bool skipLayer); void internalDrawDevice(SkBaseDevice*, int x, int y, const SkPaint*); // shared by save() and saveLayer() |