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| 1 // Copyright (c) 2012 The Chromium Authors. All rights reserved. | 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 | 2 // Use of this source code is governed by a BSD-style license that can be |
| 3 // found in the LICENSE file. | 3 // found in the LICENSE file. |
| 4 | 4 |
| 5 #include "cc/test/pixel_test_utils.h" | 5 #include "cc/test/pixel_test_utils.h" |
| 6 | 6 |
| 7 #include "base/file_util.h" | 7 #include "base/file_util.h" |
| 8 #include "base/logging.h" | 8 #include "base/logging.h" |
| 9 #include "third_party/skia/include/core/SkBitmap.h" | 9 #include "third_party/skia/include/core/SkBitmap.h" |
| 10 #include "ui/gfx/codec/png_codec.h" | 10 #include "ui/gfx/codec/png_codec.h" |
| 11 | 11 |
| 12 namespace cc { | 12 namespace cc { |
| 13 | 13 |
| 14 bool WritePNGFile(const SkBitmap& bitmap, const FilePath& file_path) { | 14 bool WritePNGFile(const SkBitmap& bitmap, const base::FilePath& file_path) { |
| 15 std::vector<unsigned char> png_data; | 15 std::vector<unsigned char> png_data; |
| 16 const bool discard_transparency = true; | 16 const bool discard_transparency = true; |
| 17 if (gfx::PNGCodec::EncodeBGRASkBitmap(bitmap, | 17 if (gfx::PNGCodec::EncodeBGRASkBitmap(bitmap, |
| 18 discard_transparency, | 18 discard_transparency, |
| 19 &png_data) && | 19 &png_data) && |
| 20 file_util::CreateDirectory(file_path.DirName())) { | 20 file_util::CreateDirectory(file_path.DirName())) { |
| 21 char* data = reinterpret_cast<char*>(&png_data[0]); | 21 char* data = reinterpret_cast<char*>(&png_data[0]); |
| 22 int size = static_cast<int>(png_data.size()); | 22 int size = static_cast<int>(png_data.size()); |
| 23 return file_util::WriteFile(file_path, data, size) == size; | 23 return file_util::WriteFile(file_path, data, size) == size; |
| 24 } | 24 } |
| 25 return false; | 25 return false; |
| 26 } | 26 } |
| 27 | 27 |
| 28 bool ReadPNGFile(const FilePath& file_path, SkBitmap* bitmap) { | 28 bool ReadPNGFile(const base::FilePath& file_path, SkBitmap* bitmap) { |
| 29 DCHECK(bitmap); | 29 DCHECK(bitmap); |
| 30 std::string png_data; | 30 std::string png_data; |
| 31 return file_util::ReadFileToString(file_path, &png_data) && | 31 return file_util::ReadFileToString(file_path, &png_data) && |
| 32 gfx::PNGCodec::Decode(reinterpret_cast<unsigned char*>(&png_data[0]), | 32 gfx::PNGCodec::Decode(reinterpret_cast<unsigned char*>(&png_data[0]), |
| 33 png_data.length(), | 33 png_data.length(), |
| 34 bitmap); | 34 bitmap); |
| 35 } | 35 } |
| 36 | 36 |
| 37 bool IsSameAsPNGFile(const SkBitmap& gen_bmp, FilePath ref_img_path) { | 37 bool IsSameAsPNGFile(const SkBitmap& gen_bmp, base::FilePath ref_img_path) { |
| 38 SkBitmap ref_bmp; | 38 SkBitmap ref_bmp; |
| 39 if (!ReadPNGFile(ref_img_path, &ref_bmp)) { | 39 if (!ReadPNGFile(ref_img_path, &ref_bmp)) { |
| 40 LOG(ERROR) << "Cannot read reference image: " << ref_img_path.value(); | 40 LOG(ERROR) << "Cannot read reference image: " << ref_img_path.value(); |
| 41 return false; | 41 return false; |
| 42 } | 42 } |
| 43 | 43 |
| 44 if (ref_bmp.width() != gen_bmp.width() || | 44 if (ref_bmp.width() != gen_bmp.width() || |
| 45 ref_bmp.height() != gen_bmp.height()) { | 45 ref_bmp.height() != gen_bmp.height()) { |
| 46 LOG(ERROR) | 46 LOG(ERROR) |
| 47 << "Dimensions do not match (Expected) vs (Actual):" | 47 << "Dimensions do not match (Expected) vs (Actual):" |
| (...skipping 21 matching lines...) Expand all Loading... |
| 69 | 69 |
| 70 if (diff_pixels_count != 0) { | 70 if (diff_pixels_count != 0) { |
| 71 LOG(ERROR) << "Images differ by pixel count: " << diff_pixels_count; | 71 LOG(ERROR) << "Images differ by pixel count: " << diff_pixels_count; |
| 72 return false; | 72 return false; |
| 73 } | 73 } |
| 74 | 74 |
| 75 return true; | 75 return true; |
| 76 } | 76 } |
| 77 | 77 |
| 78 } // namespace cc | 78 } // namespace cc |
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