gecko-dev/gfx/thebes/PrintTargetRecording.h

44 строки
1.3 KiB
C++

/* -*- Mode: C++; tab-width: 20; indent-tabs-mode: nil; c-basic-offset: 4 -*-
* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
#ifndef MOZILLA_GFX_PRINTTARGETRECORDING_H
#define MOZILLA_GFX_PRINTTARGETRECORDING_H
#include "PrintTarget.h"
namespace mozilla {
namespace gfx {
/**
* Recording printing target.
*
* This exists for use on e10s's content process in order to record print
* output, send it over to the parent process, and replay it on a DrawTarget
* there for printing.
*/
class PrintTargetRecording final : public PrintTarget
{
public:
static already_AddRefed<PrintTargetRecording>
CreateOrNull(const IntSize& aSize);
virtual already_AddRefed<DrawTarget>
MakeDrawTarget(const IntSize& aSize,
DrawEventRecorder* aRecorder = nullptr) override;
private:
PrintTargetRecording(cairo_surface_t* aCairoSurface,
const IntSize& aSize);
already_AddRefed<DrawTarget>
CreateWrapAndRecordDrawTarget(DrawEventRecorder* aRecorder,
DrawTarget* aDrawTarget);
};
} // namespace gfx
} // namespace mozilla
#endif /* MOZILLA_GFX_PRINTTARGETRECORDING_H */