1// Copyright 2013 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 "base/logging.h"
6#include "chrome/utility/cloud_print/bitmap_image.h"
7
8namespace cloud_print {
9
10namespace {
11const uint8 kCurrentlySupportedNumberOfChannels = 4;
12}
13
14BitmapImage::BitmapImage(const gfx::Size& size,
15                         Colorspace colorspace)
16    : size_(size),
17      colorspace_(colorspace),
18      data_(new uint8[size.GetArea() * channels()]) {
19}
20
21BitmapImage::~BitmapImage() {
22}
23
24uint8 BitmapImage::channels() const {
25  return kCurrentlySupportedNumberOfChannels;
26}
27
28const uint8* BitmapImage::GetPixel(const gfx::Point& point) const {
29  DCHECK_LT(point.x(), size_.width());
30  DCHECK_LT(point.y(), size_.height());
31  return data_.get() + (point.y() * size_.width() + point.x()) * channels();
32}
33
34}  // namespace cloud_print
35