Initial picture shader implementation
This CL adds an SkPictureShader class to support SkPicture-based
patterns.
The implementation renders the picture into an SkBitmap tile and then
delegates to SkBitmapProcShader for the actual operation.
R=bsalomon@google.com, reed@google.com, robertphillips@google.com
Committed: http://code.google.com/p/skia/source/detail?r=14085
Author: fmalita@chromium.org
Review URL: https://codereview.chromium.org/221923007
git-svn-id: http://skia.googlecode.com/svn/trunk@14092 2bbb7eff-a529-9590-31e7-b0007b416f81
diff --git a/include/core/SkShader.h b/include/core/SkShader.h
index acff959..076ecf5 100644
--- a/include/core/SkShader.h
+++ b/include/core/SkShader.h
@@ -16,6 +16,7 @@
#include "SkPaint.h"
class SkPath;
+class SkPicture;
class GrContext;
class GrEffectRef;
@@ -345,6 +346,16 @@
static SkShader* CreateBitmapShader(const SkBitmap& src,
TileMode tmx, TileMode tmy);
+ /** Call this to create a new shader that will draw with the specified picture.
+ *
+ * @param src The picture to use inside the shader (if not NULL, its ref count
+ * is incremented).
+ * @param tmx The tiling mode to use when sampling the bitmap in the x-direction.
+ * @param tmy The tiling mode to use when sampling the bitmap in the y-direction.
+ * @return Returns a new shader object. Note: this function never returns null.
+ */
+ static SkShader* CreatePictureShader(SkPicture* src, TileMode tmx, TileMode tmy);
+
SK_TO_STRING_VIRT()
SK_DEFINE_FLATTENABLE_TYPE(SkShader)