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// Copyright (c) 2013 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "content/browser/renderer_host/software_output_device_win.h"
#include "content/public/browser/browser_thread.h"
#include "third_party/skia/include/core/SkBitmap.h"
#include "third_party/skia/include/core/SkDevice.h"
#include "ui/compositor/compositor.h"
#include "ui/gfx/gdi_util.h"
namespace content {
SoftwareOutputDeviceWin::SoftwareOutputDeviceWin(ui::Compositor* compositor)
: compositor_(compositor) {
// TODO(skaslev) Remove this when crbug.com/180702 is fixed.
DCHECK(BrowserThread::CurrentlyOn(BrowserThread::UI));
hwnd_ = compositor->widget();
}
SoftwareOutputDeviceWin::~SoftwareOutputDeviceWin() {
DCHECK(BrowserThread::CurrentlyOn(BrowserThread::UI));
}
void SoftwareOutputDeviceWin::Resize(gfx::Size viewport_size) {
DCHECK(BrowserThread::CurrentlyOn(BrowserThread::UI));
cc::SoftwareOutputDevice::Resize(viewport_size);
memset(&bitmap_info_, 0, sizeof(bitmap_info_));
gfx::CreateBitmapHeader(viewport_size_.width(), viewport_size_.height(),
&bitmap_info_.bmiHeader);
}
void SoftwareOutputDeviceWin::EndPaint(cc::SoftwareFrameData* frame_data) {
DCHECK(BrowserThread::CurrentlyOn(BrowserThread::UI));
DCHECK(device_);
DCHECK(frame_data == NULL);
if (!device_)
return;
gfx::Rect rect = damage_rect_;
rect.Intersect(gfx::Rect(viewport_size_));
if (rect.IsEmpty())
return;
const SkBitmap& bitmap = device_->accessBitmap(false);
HDC hdc = ::GetDC(hwnd_);
gfx::StretchDIBits(hdc,
rect.x(), rect.y(),
rect.width(), rect.height(),
rect.x(), rect.y(),
rect.width(), rect.height(),
bitmap.getPixels(),
&bitmap_info_);
::ReleaseDC(hwnd_, hdc);
}
} // namespace content
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