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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 "ui/gfx/image/image_skia_rep.h" | 5 #include "ui/gfx/image/image_skia_rep.h" |
| 6 | 6 |
| 7 #include "base/logging.h" | 7 #include "base/logging.h" |
| 8 | 8 |
| 9 namespace gfx { | 9 namespace gfx { |
| 10 | 10 |
| 11 ImageSkiaRep::ImageSkiaRep() : scale_(0.0f) { | 11 ImageSkiaRep::ImageSkiaRep() : scale_(0.0f) { |
| 12 } | 12 } |
| 13 | 13 |
| 14 ImageSkiaRep::~ImageSkiaRep() { | 14 ImageSkiaRep::~ImageSkiaRep() { |
| 15 } | 15 } |
| 16 | 16 |
| 17 ImageSkiaRep::ImageSkiaRep(const gfx::Size& size, float scale) : scale_(scale) { | 17 ImageSkiaRep::ImageSkiaRep(const gfx::Size& size, float scale) : scale_(scale) { |
| 18 bitmap_.setConfig(SkBitmap::kARGB_8888_Config, | 18 bitmap_.allocN32Pixels(static_cast<int>(size.width() * this->scale()), |
| 19 static_cast<int>(size.width() * this->scale()), | 19 static_cast<int>(size.height() * this->scale())); |
| 20 static_cast<int>(size.height() * this->scale())); | |
| 21 bitmap_.allocPixels(); | |
| 22 bitmap_.eraseColor(SK_ColorRED); | 20 bitmap_.eraseColor(SK_ColorRED); |
| 23 } | 21 } |
| 24 | 22 |
| 25 ImageSkiaRep::ImageSkiaRep(const SkBitmap& src, float scale) | 23 ImageSkiaRep::ImageSkiaRep(const SkBitmap& src, float scale) |
| 26 : bitmap_(src), | 24 : bitmap_(src), |
| 27 scale_(scale) { | 25 scale_(scale) { |
| 28 } | 26 } |
| 29 | 27 |
| 30 int ImageSkiaRep::GetWidth() const { | 28 int ImageSkiaRep::GetWidth() const { |
| 31 return static_cast<int>(bitmap_.width() / scale()); | 29 return static_cast<int>(bitmap_.width() / scale()); |
| 32 } | 30 } |
| 33 | 31 |
| 34 int ImageSkiaRep::GetHeight() const { | 32 int ImageSkiaRep::GetHeight() const { |
| 35 return static_cast<int>(bitmap_.height() / scale()); | 33 return static_cast<int>(bitmap_.height() / scale()); |
| 36 } | 34 } |
| 37 | 35 |
| 38 void ImageSkiaRep::SetScaled() { | 36 void ImageSkiaRep::SetScaled() { |
| 39 DCHECK_EQ(0.0f, scale_); | 37 DCHECK_EQ(0.0f, scale_); |
| 40 if (scale_ == 0.0f) | 38 if (scale_ == 0.0f) |
| 41 scale_ = 1.0f; | 39 scale_ = 1.0f; |
| 42 } | 40 } |
| 43 | 41 |
| 44 } // namespace gfx | 42 } // namespace gfx |
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