cc/test/pixel_test_utils.h

   1 // Copyright (c) 2012 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 CC_TEST_PIXEL_TEST_UTILS_H_
   6 #define CC_TEST_PIXEL_TEST_UTILS_H_
   7
   8 #include "base/file_path.h"
   9
  10 class SkBitmap;
  11
  12 namespace cc {
  13
  14 // Encodes a bitmap into a PNG and write to disk. Returns true on success. The
  15 // parent directory does not have to exist.
  16 bool WritePNGFile(const SkBitmap& bitmap, const FilePath& file_path);
  17
  18 // Reads and decodes a PNG image to a bitmap. Returns true on success. The PNG
  19 // should have been encoded using |gfx::PNGCodec::Encode|.
  20 bool ReadPNGFile(const FilePath& file_path, SkBitmap* bitmap);
  21
  22 // Compares with a PNG file on disk, and returns true if it is the same as
  23 // the given image. |ref_img_path| is absolute.
  24 bool IsSameAsPNGFile(const SkBitmap& gen_bmp, FilePath ref_img_path);
  25
  26 }  // namespace cc
  27
  28 #endif  // CC_TEST_PIXEL_TEST_UTILS_H_