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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 "base/win/scoped_gdi_object.h" | 7 #include "base/win/scoped_gdi_object.h" |
| 8 #include "base/win/scoped_hdc.h" | 8 #include "base/win/scoped_hdc.h" |
| 9 #include "base/win/scoped_select_object.h" | 9 #include "base/win/scoped_select_object.h" |
| 10 #include "printing/metafile.h" | 10 #include "printing/metafile.h" |
| 11 #include "skia/ext/platform_device.h" | 11 #include "skia/ext/platform_device.h" |
| 12 #include "ui/gfx/gdi_util.h" // EMF support | 12 #include "ui/gfx/gdi_util.h" // EMF support |
| 13 #include "ui/gfx/geometry/rect.h" | 13 #include "ui/gfx/geometry/rect.h" |
| 14 | 14 |
| 15 | 15 |
| 16 namespace { | 16 namespace { |
| 17 | 17 |
| 18 // A simple class which temporarily overrides system settings. | 18 // A simple class which temporarily overrides system settings. |
| 19 // The bitmap image rendered via the PlayEnhMetaFile() function depends on | 19 // The bitmap image rendered via the PlayEnhMetaFile() function depends on |
| 20 // some system settings. | 20 // some system settings. |
| 21 // As a workaround for such dependency, this class saves the system settings | 21 // As a workaround for such dependency, this class saves the system settings |
| 22 // and changes them. This class also restore the saved settings in its | 22 // and changes them. This class also restore the saved settings in its |
| 23 // destructor. | 23 // destructor. |
| 24 class DisableFontSmoothing { | 24 class DisableFontSmoothing { |
| 25 public: | 25 public: |
| 26 explicit DisableFontSmoothing() : enable_again_(false) { | 26 DisableFontSmoothing() : enable_again_(false) { |
| 27 BOOL enabled; | 27 BOOL enabled; |
| 28 if (SystemParametersInfo(SPI_GETFONTSMOOTHING, 0, &enabled, 0) && | 28 if (SystemParametersInfo(SPI_GETFONTSMOOTHING, 0, &enabled, 0) && |
| 29 enabled) { | 29 enabled) { |
| 30 if (SystemParametersInfo(SPI_SETFONTSMOOTHING, FALSE, NULL, 0)) | 30 if (SystemParametersInfo(SPI_SETFONTSMOOTHING, FALSE, NULL, 0)) |
| 31 enable_again_ = true; | 31 enable_again_ = true; |
| 32 } | 32 } |
| 33 } | 33 } |
| 34 | 34 |
| 35 ~DisableFontSmoothing() { | 35 ~DisableFontSmoothing() { |
| 36 if (enable_again_) { | 36 if (enable_again_) { |
| (...skipping 33 matching lines...) Expand 10 before | Expand all | Expand 10 after Loading... |
| 70 base::win::ScopedBitmap bitmap( | 70 base::win::ScopedBitmap bitmap( |
| 71 ::CreateDIBSection(hdc.Get(), reinterpret_cast<BITMAPINFO*>(&hdr), 0, | 71 ::CreateDIBSection(hdc.Get(), reinterpret_cast<BITMAPINFO*>(&hdr), 0, |
| 72 reinterpret_cast<void**>(&bits), NULL, 0)); | 72 reinterpret_cast<void**>(&bits), NULL, 0)); |
| 73 DCHECK(bitmap); | 73 DCHECK(bitmap); |
| 74 base::win::ScopedSelectObject select_object(hdc.Get(), bitmap); | 74 base::win::ScopedSelectObject select_object(hdc.Get(), bitmap); |
| 75 | 75 |
| 76 skia::InitializeDC(hdc.Get()); | 76 skia::InitializeDC(hdc.Get()); |
| 77 | 77 |
| 78 bool success = metafile.Playback(hdc.Get(), NULL); | 78 bool success = metafile.Playback(hdc.Get(), NULL); |
| 79 | 79 |
| 80 row_length_ = size_.width() * sizeof(uint32); | 80 row_length_ = size_.width() * sizeof(uint32_t); |
| 81 size_t bytes = row_length_ * size_.height(); | 81 size_t bytes = row_length_ * size_.height(); |
| 82 DCHECK(bytes); | 82 DCHECK(bytes); |
| 83 | 83 |
| 84 data_.assign(bits, bits + bytes); | 84 data_.assign(bits, bits + bytes); |
| 85 | 85 |
| 86 return success; | 86 return success; |
| 87 } | 87 } |
| 88 | 88 |
| 89 } // namespace printing | 89 } // namespace printing |
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