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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.
*/
#include "SkData.h"
#include "SkLayerInfo.h"
#include "SkPictureRecorder.h"
#include "SkRecord.h"
#include "SkRecordDraw.h"
#include "SkRecorder.h"
#include "SkRecordOpts.h"
#include "SkTypes.h"
SkPictureRecorder::SkPictureRecorder() {}
SkPictureRecorder::~SkPictureRecorder() {}
SkCanvas* SkPictureRecorder::beginRecording(SkScalar width, SkScalar height,
SkBBHFactory* bbhFactory /* = NULL */,
uint32_t recordFlags /* = 0 */) {
fFlags = recordFlags;
fCullWidth = width;
fCullHeight = height;
if (bbhFactory) {
fBBH.reset((*bbhFactory)(width, height));
SkASSERT(fBBH.get());
}
fRecord.reset(SkNEW(SkRecord));
fRecorder.reset(SkNEW_ARGS(SkRecorder, (fRecord.get(), width, height)));
return this->getRecordingCanvas();
}
SkCanvas* SkPictureRecorder::getRecordingCanvas() {
return fRecorder.get();
}
SkPicture* SkPictureRecorder::endRecording() {
// TODO: delay as much of this work until just before first playback?
SkRecordOptimize(fRecord);
SkAutoTUnref<SkLayerInfo> saveLayerData;
if (fBBH && (fFlags & kComputeSaveLayerInfo_RecordFlag)) {
SkPicture::AccelData::Key key = SkLayerInfo::ComputeKey();
saveLayerData.reset(SkNEW_ARGS(SkLayerInfo, (key)));
}
if (fBBH.get()) {
SkRect cullRect = SkRect::MakeWH(fCullWidth, fCullHeight);
if (saveLayerData) {
SkRecordComputeLayers(cullRect, *fRecord, fBBH.get(), saveLayerData);
} else {
SkRecordFillBounds(cullRect, *fRecord, fBBH.get());
}
}
// TODO: we should remember these from our caller
SkBBHFactory* factory = NULL;
uint32_t recordFlags = 0;
SkAutoDataUnref drawablePicts(fRecorder->newDrawableSnapshot(factory, recordFlags));
SkPicture* pict = SkNEW_ARGS(SkPicture, (fCullWidth, fCullHeight, fRecord.detach(),
drawablePicts, fBBH.get()));
if (saveLayerData) {
pict->EXPERIMENTAL_addAccelData(saveLayerData);
}
return pict;
}
void SkPictureRecorder::partialReplay(SkCanvas* canvas) const {
if (NULL == canvas) {
return;
}
int drawableCount = 0;
SkRecordDraw(*fRecord, canvas, NULL, drawableCount, NULL/*bbh*/, NULL/*callback*/);
}
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