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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 "printing/metafile_skia_wrapper.h" | 5 #include "printing/metafile_skia_wrapper.h" |
| 6 #include "skia/ext/platform_device.h" | 6 #include "skia/ext/platform_device.h" |
| 7 #include "skia/ext/refptr.h" | 7 #include "skia/ext/refptr.h" |
| 8 #include "third_party/skia/include/core/SkCanvas.h" | 8 #include "third_party/skia/include/core/SkCanvas.h" |
| 9 #include "third_party/skia/include/core/SkDevice.h" | 9 #include "third_party/skia/include/core/SkDevice.h" |
| 10 #include "third_party/skia/include/core/SkMetaData.h" | 10 #include "third_party/skia/include/core/SkMetaData.h" |
| 11 | 11 |
| 12 namespace printing { | 12 namespace printing { |
| 13 | 13 |
| 14 namespace { | 14 namespace { |
| 15 | 15 |
| 16 const char* kMetafileKey = "CrMetafile"; | 16 const char* kMetafileKey = "CrMetafile"; |
| 17 const char* kCustomScaleKey = "CrCustomScale"; | 17 const char* kCustomScaleKey = "CrCustomScale"; |
| 18 | 18 |
| 19 } // namespace | 19 } // namespace |
| 20 | 20 |
| 21 // static | 21 // static |
| 22 void MetafileSkiaWrapper::SetMetafileOnCanvas(const SkCanvas& canvas, | 22 void MetafileSkiaWrapper::SetMetafileOnCanvas(const SkCanvas& canvas, |
| 23 Metafile* metafile) { | 23 PdfMetafileSkia* metafile) { |
| 24 skia::RefPtr<MetafileSkiaWrapper> wrapper; | 24 skia::RefPtr<MetafileSkiaWrapper> wrapper; |
| 25 if (metafile) | 25 if (metafile) |
| 26 wrapper = skia::AdoptRef(new MetafileSkiaWrapper(metafile)); | 26 wrapper = skia::AdoptRef(new MetafileSkiaWrapper(metafile)); |
| 27 | 27 |
| 28 SkMetaData& meta = skia::getMetaData(canvas); | 28 SkMetaData& meta = skia::getMetaData(canvas); |
| 29 meta.setRefCnt(kMetafileKey, wrapper.get()); | 29 meta.setRefCnt(kMetafileKey, wrapper.get()); |
| 30 } | 30 } |
| 31 | 31 |
| 32 // static | 32 // static |
| 33 Metafile* MetafileSkiaWrapper::GetMetafileFromCanvas(const SkCanvas& canvas) { | 33 PdfMetafileSkia* MetafileSkiaWrapper::GetMetafileFromCanvas( |
| 34 const SkCanvas& canvas) { |
| 34 SkMetaData& meta = skia::getMetaData(canvas); | 35 SkMetaData& meta = skia::getMetaData(canvas); |
| 35 SkRefCnt* value; | 36 SkRefCnt* value; |
| 36 if (!meta.findRefCnt(kMetafileKey, &value) || !value) | 37 if (!meta.findRefCnt(kMetafileKey, &value) || !value) |
| 37 return NULL; | 38 return NULL; |
| 38 | 39 |
| 39 return static_cast<MetafileSkiaWrapper*>(value)->metafile_; | 40 return static_cast<MetafileSkiaWrapper*>(value)->metafile_; |
| 40 } | 41 } |
| 41 | 42 |
| 42 // static | 43 // static |
| 43 void MetafileSkiaWrapper::SetCustomScaleOnCanvas(const SkCanvas& canvas, | 44 void MetafileSkiaWrapper::SetCustomScaleOnCanvas(const SkCanvas& canvas, |
| 44 double scale) { | 45 double scale) { |
| 45 SkMetaData& meta = skia::getMetaData(canvas); | 46 SkMetaData& meta = skia::getMetaData(canvas); |
| 46 meta.setScalar(kCustomScaleKey, SkFloatToScalar(scale)); | 47 meta.setScalar(kCustomScaleKey, SkFloatToScalar(scale)); |
| 47 } | 48 } |
| 48 | 49 |
| 49 // static | 50 // static |
| 50 bool MetafileSkiaWrapper::GetCustomScaleOnCanvas(const SkCanvas& canvas, | 51 bool MetafileSkiaWrapper::GetCustomScaleOnCanvas(const SkCanvas& canvas, |
| 51 double* scale) { | 52 double* scale) { |
| 52 SkMetaData& meta = skia::getMetaData(canvas); | 53 SkMetaData& meta = skia::getMetaData(canvas); |
| 53 SkScalar value; | 54 SkScalar value; |
| 54 if (!meta.findScalar(kCustomScaleKey, &value)) | 55 if (!meta.findScalar(kCustomScaleKey, &value)) |
| 55 return false; | 56 return false; |
| 56 | 57 |
| 57 *scale = SkScalarToFloat(value); | 58 *scale = SkScalarToFloat(value); |
| 58 return true; | 59 return true; |
| 59 } | 60 } |
| 60 | 61 |
| 61 MetafileSkiaWrapper::MetafileSkiaWrapper(Metafile* metafile) | 62 MetafileSkiaWrapper::MetafileSkiaWrapper(PdfMetafileSkia* metafile) |
| 62 : metafile_(metafile) { | 63 : metafile_(metafile) { |
| 63 } | 64 } |
| 64 | 65 |
| 65 } // namespace printing | 66 } // namespace printing |
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