| /* |
| * 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(const SkRect& cullRect, |
| SkBBHFactory* bbhFactory /* = NULL */, |
| uint32_t recordFlags /* = 0 */) { |
| fCullRect = cullRect; |
| fFlags = recordFlags; |
| |
| if (bbhFactory) { |
| fBBH.reset((*bbhFactory)(cullRect)); |
| SkASSERT(fBBH.get()); |
| } |
| |
| fRecord.reset(SkNEW(SkRecord)); |
| fRecorder.reset(SkNEW_ARGS(SkRecorder, (fRecord.get(), cullRect))); |
| 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()) { |
| if (saveLayerData) { |
| SkRecordComputeLayers(fCullRect, *fRecord, fBBH.get(), saveLayerData); |
| } else { |
| SkRecordFillBounds(fCullRect, *fRecord, fBBH.get()); |
| } |
| } |
| |
| // TODO: we should remember these from our caller |
| SkBBHFactory* factory = NULL; |
| uint32_t recordFlags = 0; |
| SkAutoTDelete<SkPicture::SnapshotArray> drawablePicts( |
| fRecorder->newDrawableSnapshot(factory, recordFlags)); |
| SkPicture* pict = SkNEW_ARGS(SkPicture, (fCullRect, fRecord.detach(), |
| drawablePicts.detach(), 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*/); |
| } |