diff options
Diffstat (limited to 'include')
-rw-r--r-- | include/core/SkShader.h | 17 |
1 files changed, 17 insertions, 0 deletions
diff --git a/include/core/SkShader.h b/include/core/SkShader.h index dc93b84749..2f3764c0be 100644 --- a/include/core/SkShader.h +++ b/include/core/SkShader.h @@ -401,6 +401,23 @@ public: static SkShader* CreatePictureShader(SkPicture* src, TileMode tmx, TileMode tmy, const SkMatrix* localMatrix = NULL); + /** + * Return a shader that will apply the specified localMatrix to the proxy shader. + * The specified matrix will be applied before any matrix associated with the proxy. + * + * Note: ownership of the proxy is not transferred (though a ref is taken). + */ + static SkShader* CreateLocalMatrixShader(SkShader* proxy, const SkMatrix& localMatrix); + + /** + * If this shader can be represented by another shader + a localMatrix, return that shader + * and, if not NULL, the localMatrix. If not, return NULL and ignore the localMatrix parameter. + * + * Note: the returned shader (if not NULL) will have been ref'd, and it is the responsibility + * of the caller to balance that with unref() when they are done. + */ + virtual SkShader* refAsALocalMatrixShader(SkMatrix* localMatrix) const; + SK_TO_STRING_VIRT() SK_DEFINE_FLATTENABLE_TYPE(SkShader) |