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| 1 // Copyright (c) 2011 The Chromium Authors. All rights reserved. | 1 // Copyright (c) 2011 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 "printing/image.h" | 5 #include "printing/image.h" |
| 6 | 6 |
| 7 #include <algorithm> | 7 #include <algorithm> |
| 8 | 8 |
| 9 #include "base/file_util.h" | 9 #include "base/file_util.h" |
| 10 #include "base/md5.h" | 10 #include "base/md5.h" |
| 11 #include "base/safe_numerics.h" | 11 #include "base/numerics/safe_conversions.h" |
| 12 #include "base/strings/string_number_conversions.h" | 12 #include "base/strings/string_number_conversions.h" |
| 13 #include "printing/metafile.h" | 13 #include "printing/metafile.h" |
| 14 #include "printing/metafile_impl.h" | 14 #include "printing/metafile_impl.h" |
| 15 #include "third_party/skia/include/core/SkColor.h" | 15 #include "third_party/skia/include/core/SkColor.h" |
| 16 #include "ui/gfx/codec/png_codec.h" | 16 #include "ui/gfx/codec/png_codec.h" |
| 17 | 17 |
| 18 namespace printing { | 18 namespace printing { |
| 19 | 19 |
| 20 Image::Image(const base::FilePath& path) | 20 Image::Image(const base::FilePath& path) |
| 21 : row_length_(0), | 21 : row_length_(0), |
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| 66 size_, | 66 size_, |
| 67 row_length_, | 67 row_length_, |
| 68 true, | 68 true, |
| 69 std::vector<gfx::PNGCodec::Comment>(), | 69 std::vector<gfx::PNGCodec::Comment>(), |
| 70 &compressed); | 70 &compressed); |
| 71 DCHECK(success && compressed.size()); | 71 DCHECK(success && compressed.size()); |
| 72 if (success) { | 72 if (success) { |
| 73 int write_bytes = file_util::WriteFile( | 73 int write_bytes = file_util::WriteFile( |
| 74 filepath, | 74 filepath, |
| 75 reinterpret_cast<char*>(&*compressed.begin()), | 75 reinterpret_cast<char*>(&*compressed.begin()), |
| 76 base::checked_numeric_cast<int>(compressed.size())); | 76 base::checked_cast<int>(compressed.size())); |
| 77 success = (write_bytes == static_cast<int>(compressed.size())); | 77 success = (write_bytes == static_cast<int>(compressed.size())); |
| 78 DCHECK(success); | 78 DCHECK(success); |
| 79 } | 79 } |
| 80 return success; | 80 return success; |
| 81 } | 81 } |
| 82 | 82 |
| 83 double Image::PercentageDifferent(const Image& rhs) const { | 83 double Image::PercentageDifferent(const Image& rhs) const { |
| 84 if (size_.width() == 0 || size_.height() == 0 || | 84 if (size_.width() == 0 || size_.height() == 0 || |
| 85 rhs.size_.width() == 0 || rhs.size_.height() == 0) | 85 rhs.size_.width() == 0 || rhs.size_.height() == 0) |
| 86 return 100.; | 86 return 100.; |
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| 145 compressed.size(), gfx::PNGCodec::FORMAT_BGRA, &data_, &w, &h); | 145 compressed.size(), gfx::PNGCodec::FORMAT_BGRA, &data_, &w, &h); |
| 146 size_.SetSize(w, h); | 146 size_.SetSize(w, h); |
| 147 row_length_ = size_.width() * sizeof(uint32); | 147 row_length_ = size_.width() * sizeof(uint32); |
| 148 return success; | 148 return success; |
| 149 } | 149 } |
| 150 | 150 |
| 151 bool Image::LoadMetafile(const std::string& data) { | 151 bool Image::LoadMetafile(const std::string& data) { |
| 152 DCHECK(!data.empty()); | 152 DCHECK(!data.empty()); |
| 153 NativeMetafile metafile; | 153 NativeMetafile metafile; |
| 154 if (!metafile.InitFromData(data.data(), | 154 if (!metafile.InitFromData(data.data(), |
| 155 base::checked_numeric_cast<uint32>(data.size()))) | 155 base::checked_cast<uint32>(data.size()))) |
| 156 return false; | 156 return false; |
| 157 return LoadMetafile(metafile); | 157 return LoadMetafile(metafile); |
| 158 } | 158 } |
| 159 | 159 |
| 160 } // namespace printing | 160 } // namespace printing |
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