Index: cc/playback/discardable_image_map.h |
diff --git a/cc/playback/discardable_image_map.h b/cc/playback/discardable_image_map.h |
index f0535c1354c88a4a445f64382e189890d004b369..1244c6c1a7170dd2ac88eebab26a2532a50c9b70 100644 |
--- a/cc/playback/discardable_image_map.h |
+++ b/cc/playback/discardable_image_map.h |
@@ -20,6 +20,21 @@ class SkImage; |
namespace cc { |
+// Helper function to apply the matrix to the rect and return the result. |
+SkRect MapRect(const SkMatrix& matrix, const SkRect& src); |
+ |
+// Helper funciton to extract a scale from the matrix. Returns true on success |
+// and false on failure. |
+bool ExtractScale(const SkMatrix& matrix, SkSize* scale); |
+ |
+// Helper function to compute the new rect bounds adjusted for both the current |
+// paint and all of the saved paints. Returns true on success and false on |
+// failure. |
+bool ComputeRectBoundsFromPaint(const SkRect& rect, |
+ const SkPaint* current_paint, |
+ const std::vector<const SkPaint*>& saved_paints, |
+ SkRect* paint_bounds); |
+ |
// This class is used for generating discardable images data (see DrawImage |
// for the type of data it stores). It allows the client to query a particular |
// rect and get back a list of DrawImages in that rect. |