ui/gfx/image/image_skia_rep.cc

   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 namespace gfx {
   8
   9 ImageSkiaRep::ImageSkiaRep()
  10     : scale_factor_(ui::SCALE_FACTOR_NONE) {
  11 }
  12
  13 ImageSkiaRep::~ImageSkiaRep() {
  14 }
  15
  16 ImageSkiaRep::ImageSkiaRep(const gfx::Size& size,
  17                            ui::ScaleFactor scale_factor)
  18     : scale_factor_(scale_factor) {
  19   float scale = ui::GetScaleFactorScale(scale_factor);
  20   bitmap_.setConfig(SkBitmap::kARGB_8888_Config,
  21                     static_cast<int>(size.width() * scale),
  22                     static_cast<int>(size.height() * scale));
  23   bitmap_.allocPixels();
  24 }
  25
  26 ImageSkiaRep::ImageSkiaRep(const SkBitmap& src,
  27                            ui::ScaleFactor scale_factor)
  28     : bitmap_(src),
  29       scale_factor_(scale_factor) {
  30 }
  31
  32 int ImageSkiaRep::GetWidth() const {
  33   return static_cast<int>(bitmap_.width() /
  34       ui::GetScaleFactorScale(scale_factor_));
  35 }
  36
  37 int ImageSkiaRep::GetHeight() const {
  38   return static_cast<int>(bitmap_.height() /
  39       ui::GetScaleFactorScale(scale_factor_));
  40 }
  41
  42 float ImageSkiaRep::GetScale() const {
  43   return ui::GetScaleFactorScale(scale_factor_);
  44 }
  45
  46 }  // namespace gfx