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