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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 SkPictureRecorder_DEFINED
#define SkPictureRecorder_DEFINED
#include "SkBBHFactory.h"
#include "SkPicture.h"
#include "SkRefCnt.h"
#ifdef SK_BUILD_FOR_ANDROID_FRAMEWORK
namespace android {
class Picture;
};
#endif
class SkCanvas;
class SkPictureRecord;
class SkRecord;
class SkRecorder;
class SK_API SkPictureRecorder : SkNoncopyable {
public:
SkPictureRecorder();
~SkPictureRecorder();
#ifdef SK_LEGACY_PICTURE_SIZE_API
SkCanvas* beginRecording(int width, int height,
SkBBHFactory* bbhFactory = NULL,
uint32_t recordFlags = 0) {
return this->beginRecording(SkIntToScalar(width), SkIntToScalar(height),
bbhFactory, recordFlags);
}
#endif
/** Returns the canvas that records the drawing commands.
@param width the width of the cull rect used when recording this picture.
@param height the height of the cull rect used when recording this picture.
@param bbhFactory factory to create desired acceleration structure
@param recordFlags optional flags that control recording.
@return the canvas.
*/
SkCanvas* beginRecording(SkScalar width, SkScalar height,
SkBBHFactory* bbhFactory = NULL,
uint32_t recordFlags = 0);
/** Returns the recording canvas if one is active, or NULL if recording is
not active. This does not alter the refcnt on the canvas (if present).
*/
SkCanvas* getRecordingCanvas();
/** Signal that the caller is done recording. This invalidates the canvas
returned by beginRecording/getRecordingCanvas, and returns the
created SkPicture. Note that the returned picture has its creation
ref which the caller must take ownership of.
*/
SkPicture* endRecording();
private:
void reset();
/** Replay the current (partially recorded) operation stream into
canvas. This call doesn't close the current recording.
*/
#ifdef SK_BUILD_FOR_ANDROID_FRAMEWORK
friend class android::Picture;
#endif
friend class SkPictureRecorderReplayTester; // for unit testing
void partialReplay(SkCanvas* canvas) const;
SkScalar fCullWidth;
SkScalar fCullHeight;
SkAutoTUnref<SkBBoxHierarchy> fBBH;
SkAutoTUnref<SkRecorder> fRecorder;
SkAutoTDelete<SkRecord> fRecord;
typedef SkNoncopyable INHERITED;
};
#endif
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