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 3 // found in the LICENSE file. 4 5 #include "ui/gfx/image/image_skia_rep.h" 6 7 #include "base/logging.h" 8 9 namespace gfx { 10 ImageSkiaRep()11ImageSkiaRep::ImageSkiaRep() : scale_(0.0f) { 12 } 13 ~ImageSkiaRep()14ImageSkiaRep::~ImageSkiaRep() { 15 } 16 ImageSkiaRep(const gfx::Size & size,float scale)17ImageSkiaRep::ImageSkiaRep(const gfx::Size& size, float scale) : scale_(scale) { 18 bitmap_.setConfig(SkBitmap::kARGB_8888_Config, 19 static_cast<int>(size.width() * this->scale()), 20 static_cast<int>(size.height() * this->scale())); 21 bitmap_.allocPixels(); 22 bitmap_.eraseColor(SK_ColorRED); 23 } 24 ImageSkiaRep(const SkBitmap & src,float scale)25ImageSkiaRep::ImageSkiaRep(const SkBitmap& src, float scale) 26 : bitmap_(src), 27 scale_(scale) { 28 } 29 GetWidth() const30int ImageSkiaRep::GetWidth() const { 31 return static_cast<int>(bitmap_.width() / scale()); 32 } 33 GetHeight() const34int ImageSkiaRep::GetHeight() const { 35 return static_cast<int>(bitmap_.height() / scale()); 36 } 37 SetScaled()38void ImageSkiaRep::SetScaled() { 39 DCHECK_EQ(0.0f, scale_); 40 if (scale_ == 0.0f) 41 scale_ = 1.0f; 42 } 43 44 } // namespace gfx 45