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/*
* Copyright 2014 Google Inc.
*
* Use of this source code is governed by a BSD-style license that can be
* found in the LICENSE file.
*/
#ifndef SkRecording_DEFINED
#define SkRecording_DEFINED
#include "SkCanvas.h" // SkCanvas
#include "SkTypes.h" // SkNoncopyable
// These are intentionally left opaque.
class SkRecord;
class SkRecorder;
namespace EXPERIMENTAL {
/** Easy mode interface to SkRecord-based SkCanvas recording.
*
* SkRecording* recording = SkRecording::Create(1920, 1080);
*
* SkCanvas* canvas = recording->canvas();
* canvas->drawThis();
* canvas->clipThat();
* ...
*
* scoped_ptr<const SkPlayback> playback(SkRecording::Delete(recording));
* playback->draw(&someCanvas);
* playback->draw(&someOtherCanvas);
*
* SkPlayback is thread safe; SkRecording is not.
*/
class SkPlayback : SkNoncopyable {
public:
// Remember, if you've got an SkPlayback*, you probably own it. Don't forget to delete it!
~SkPlayback();
// Draw recorded commands into a canvas.
void draw(SkCanvas*) const;
private:
explicit SkPlayback(const SkRecord*);
const SkRecord* fRecord;
friend class SkRecording;
};
class SkRecording : SkNoncopyable {
public:
// Result must be returned via SkRecording::Delete.
static SkRecording* Create(int width, int height);
// Caller takes ownership of SkPlayback.
static const SkPlayback* Delete(SkRecording*);
// Draws issued to this canvas will be replayed by SkPlayback::draw().
// This pointer is owned by the SkRecording; the caller must not take ownership.
SkCanvas* canvas();
private:
SkRecording(int width, int height);
~SkRecording();
SkRecorder* fRecorder;
SkRecord* fRecord;
};
} // namespace EXPERIMENTAL
#endif//SkRecording_DEFINED
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