electron/atom/browser/osr/osr_output_device.h

45 lines
1.3 KiB
C++

// Copyright (c) 2016 GitHub, Inc.
// Use of this source code is governed by the MIT license that can be
// found in the LICENSE file.
#ifndef ATOM_BROWSER_OSR_OSR_OUTPUT_DEVICE_H_
#define ATOM_BROWSER_OSR_OSR_OUTPUT_DEVICE_H_
#include "base/callback.h"
#include "components/viz/service/display/software_output_device.h"
#include "third_party/skia/include/core/SkBitmap.h"
#include "third_party/skia/include/core/SkCanvas.h"
namespace atom {
typedef base::Callback<void(const gfx::Rect&, const SkBitmap&)> OnPaintCallback;
class OffScreenOutputDevice : public viz::SoftwareOutputDevice {
public:
OffScreenOutputDevice(bool transparent, const OnPaintCallback& callback);
~OffScreenOutputDevice() override;
// viz::SoftwareOutputDevice:
void Resize(const gfx::Size& pixel_size, float scale_factor) override;
SkCanvas* BeginPaint(const gfx::Rect& damage_rect) override;
void EndPaint() override;
void SetActive(bool active, bool paint);
void OnPaint(const gfx::Rect& damage_rect);
private:
const bool transparent_;
OnPaintCallback callback_;
bool active_ = false;
std::unique_ptr<SkCanvas> canvas_;
std::unique_ptr<SkBitmap> bitmap_;
gfx::Rect pending_damage_rect_;
DISALLOW_COPY_AND_ASSIGN(OffScreenOutputDevice);
};
} // namespace atom
#endif // ATOM_BROWSER_OSR_OSR_OUTPUT_DEVICE_H_