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Unified Diff: include/core/SkSurface.h

Issue 161733002: add peekPixels to SkCanvas and SkSurface (Closed) Base URL: https://skia.googlecode.com/svn/trunk
Patch Set: Created 6 years, 10 months ago
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Index: include/core/SkSurface.h
diff --git a/include/core/SkSurface.h b/include/core/SkSurface.h
index 2f277b755df7a9d385f57e812d6a2e97c2d9af72..74c5f083f459bb9f48fd195bccef609562fa3859 100644
--- a/include/core/SkSurface.h
+++ b/include/core/SkSurface.h
@@ -151,6 +151,18 @@ public:
*/
void draw(SkCanvas*, SkScalar x, SkScalar y, const SkPaint*);
+ /**
+ * If the surface has direct access to its pixels (i.e. they are in local
+ * RAM) return the const-address of those pixels, and if not null, return
+ * the ImageInfo and rowBytes. The returned address is only valid while
+ * the surface object is in scope, and no API call is made on the surface
+ * or its canvas.
+ *
+ * On failure, returns NULL and the info and rowBytes parameters are
+ * ignored.
+ */
+ const void* peekPixels(SkImageInfo* info, size_t* rowBytes);
+
protected:
SkSurface(int width, int height);
SkSurface(const SkImageInfo&);
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