diff options
Diffstat (limited to 'include/core/SkDevice.h')
| -rw-r--r-- | include/core/SkDevice.h | 23 |
1 files changed, 23 insertions, 0 deletions
diff --git a/include/core/SkDevice.h b/include/core/SkDevice.h index 2ce64ee44f..f0aa8e0a02 100644 --- a/include/core/SkDevice.h +++ b/include/core/SkDevice.h @@ -187,6 +187,28 @@ protected: */ virtual bool filterTextFlags(const SkPaint& paint, TextFlags*); + /** + * Called with the correct matrix and clip before this device is drawn + * to using those settings. If your subclass overrides this, be sure to + * call through to the base class as well. + * + * The clipstack is another view of the clip. It records the actual + * geometry that went into building the region. It is present for devices + * that want to parse it, but is not required: the region is a complete + * picture of the current clip. (i.e. if you regionize all of the geometry + * in the clipstack, you will arrive at an equivalent region to the one + * passed in). + */ + virtual void setMatrixClip(const SkMatrix&, const SkRegion&, + const SkClipStack&); + + /** Called when this device gains focus (i.e becomes the current device + for drawing). + */ + virtual void gainFocus(const SkMatrix&, const SkRegion&) { + SkASSERT(fAttachedToCanvas); + } + /** Clears the entire device to the specified color (including alpha). * Ignores the clip. */ @@ -363,6 +385,7 @@ protected: private: friend class SkCanvas; + friend struct DeviceCM; //for setMatrixClip friend class SkDraw; friend class SkDrawIter; friend class SkDeviceFilteredPaint; |