skia/ext/pixel_ref_utils.h

   1 // Copyright 2014 The Chromium Authors. All rights reserved.
   2 // Use of this source code is governed by a BSD-style license that can be
   3 // found in the LICENSE file.
   4
   5 #ifndef SKIA_EXT_PIXEL_REF_UTILS_H_
   6 #define SKIA_EXT_PIXEL_REF_UTILS_H_
   7
   8 #include <vector>
   9
  10 #include "SkPicture.h"
  11 #include "SkRect.h"
  12
  13 namespace skia {
  14
  15 class SK_API PixelRefUtils {
  16  public:
  17
  18   struct PositionPixelRef {
  19     SkPixelRef* pixel_ref;
  20     SkRect pixel_ref_rect;
  21   };
  22
  23   static void GatherDiscardablePixelRefs(
  24       SkPicture* picture,
  25       std::vector<PositionPixelRef>* pixel_refs);
  26 };
  27
  28 typedef std::vector<PixelRefUtils::PositionPixelRef> DiscardablePixelRefList;
  29
  30 }  // namespace skia
  31
  32 #endif