| // Copyright 2013 The Chromium Authors |
| // Use of this source code is governed by a BSD-style license that can be |
| // found in the LICENSE file. |
| |
| #include "components/pwg_encoder/bitmap_image.h" |
| |
| #include "base/check_op.h" |
| |
| namespace pwg_encoder { |
| |
| namespace { |
| const uint8_t kCurrentlySupportedNumberOfChannels = 4; |
| } |
| |
| BitmapImage::BitmapImage(const gfx::Size& size, Colorspace colorspace) |
| : size_(size), |
| colorspace_(colorspace), |
| data_(new uint8_t[size.GetArea() * channels()]) {} |
| |
| BitmapImage::~BitmapImage() {} |
| |
| uint8_t BitmapImage::channels() const { |
| return kCurrentlySupportedNumberOfChannels; |
| } |
| |
| const uint8_t* BitmapImage::GetPixel(const gfx::Point& point) const { |
| DCHECK_LT(point.x(), size_.width()); |
| DCHECK_LT(point.y(), size_.height()); |
| return data_.get() + (point.y() * size_.width() + point.x()) * channels(); |
| } |
| |
| } // namespace pwg_encoder |