770963f23f
https://codereview.chromium.org/243173002 git-svn-id: http://skia.googlecode.com/svn/trunk@14258 2bbb7eff-a529-9590-31e7-b0007b416f81
108 lines
3.6 KiB
C++
108 lines
3.6 KiB
C++
/*
|
|
* 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"
|
|
|
|
class SkCanvas;
|
|
|
|
class SK_API SkPictureRecorder : SkNoncopyable {
|
|
public:
|
|
#ifdef SK_SUPPORT_LEGACY_DERIVED_PICTURE_CLASSES
|
|
|
|
SkPictureRecorder(SkPictureFactory* factory = NULL) {
|
|
fFactory.reset(factory);
|
|
if (NULL != fFactory.get()) {
|
|
fFactory.get()->ref();
|
|
}
|
|
}
|
|
|
|
/** Returns the canvas that records the drawing commands.
|
|
@param width the base width for the picture, as if the recording
|
|
canvas' bitmap had this width.
|
|
@param height the base width for the picture, as if the recording
|
|
canvas' bitmap had this height.
|
|
@param recordFlags optional flags that control recording.
|
|
@return the canvas.
|
|
*/
|
|
SkCanvas* beginRecording(int width, int height, uint32_t recordFlags = 0) {
|
|
if (NULL != fFactory) {
|
|
fPicture.reset(fFactory->create(width, height));
|
|
recordFlags |= SkPicture::kOptimizeForClippedPlayback_RecordingFlag;
|
|
} else {
|
|
fPicture.reset(SkNEW(SkPicture));
|
|
}
|
|
|
|
return fPicture->beginRecording(width, height, recordFlags);
|
|
}
|
|
#endif
|
|
|
|
/** Returns the canvas that records the drawing commands.
|
|
@param width the base width for the picture, as if the recording
|
|
canvas' bitmap had this width.
|
|
@param height the base width for the picture, as if the recording
|
|
canvas' bitmap had this height.
|
|
@param bbhFactory factory to create desired acceleration structure
|
|
@param recordFlags optional flags that control recording.
|
|
@return the canvas.
|
|
*/
|
|
// TODO: allow default parameters once the other beginRecoding entry point is gone
|
|
SkCanvas* beginRecording(int width, int 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() {
|
|
if (NULL != fPicture.get()) {
|
|
return fPicture->getRecordingCanvas();
|
|
}
|
|
return NULL;
|
|
}
|
|
|
|
/** 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() {
|
|
if (NULL != fPicture.get()) {
|
|
fPicture->endRecording();
|
|
return fPicture.detach();
|
|
}
|
|
return NULL;
|
|
}
|
|
|
|
/** Enable/disable all the picture recording optimizations (i.e.,
|
|
those in SkPictureRecord). It is mainly intended for testing the
|
|
existing optimizations (i.e., to actually have the pattern
|
|
appear in an .skp we have to disable the optimization). Call right
|
|
after 'beginRecording'.
|
|
*/
|
|
void internalOnly_EnableOpts(bool enableOpts) {
|
|
if (NULL != fPicture.get()) {
|
|
fPicture->internalOnly_EnableOpts(enableOpts);
|
|
}
|
|
}
|
|
|
|
private:
|
|
#ifdef SK_SUPPORT_LEGACY_DERIVED_PICTURE_CLASSES
|
|
SkAutoTUnref<SkPictureFactory> fFactory;
|
|
#endif
|
|
|
|
SkAutoTUnref<SkPicture> fPicture;
|
|
|
|
typedef SkNoncopyable INHERITED;
|
|
};
|
|
|
|
#endif
|