Index: include/core/SkImage.h |
diff --git a/include/core/SkImage.h b/include/core/SkImage.h |
index 96de89ef87c28de932cc478018f4168021199034..9e3810c44f180e9ef3f4c8b411b51eb11e4d6597 100644 |
--- a/include/core/SkImage.h |
+++ b/include/core/SkImage.h |
@@ -304,6 +304,28 @@ public: |
*/ |
bool isLazyGenerated() const; |
+ /** |
+ * Apply the specified filter to this image, and return the result as a new image. |
+ * |
+ * if forceResultToOriginalSize is true, then the resulting image will be the same size as the |
+ * src, regardless of the normal output of the filter. |
+ * |
+ * If offset is non-null, it is set to the relative offset needed to draw the resulting image |
+ * in the same logical place as the original. |
+ * |
+ * e.g. |
+ * If the filter makes the result larger by a margin of 4 the output would be: |
+ * result->width() = this->width + 8 |
+ * result->height() = this->height + 8 |
+ * offset.x() == -4 |
+ * offset.y() == -4 |
+ * |
+ * If the filter fails to create a resulting image, null is returned, and the offset parameter |
+ * (if specified) will be undefined. |
+ */ |
+ SkImage* applyFilter(SkImageFilter* filter, SkIPoint* offset, |
+ bool forceResultToOriginalSize) const; |
+ |
protected: |
SkImage(int width, int height, uint32_t uniqueID); |