sk_sp<SkPicture> SkPictureRecorder::finishRecordingAsPicture(uint32_t finishFlags) {
fActivelyRecording = false;
fRecorder->restoreToCount(1); // If we were missing any restores, add them now.
if (fRecord->count() == 0) {
if (finishFlags & kReturnNullForEmpty_FinishFlag) {
return nullptr;
}
return fMiniRecorder.detachAsPicture(fCullRect);
}
// TODO: delay as much of this work until just before first playback?
SkRecordOptimize(fRecord);
if (fRecord->count() == 0) {
if (finishFlags & kReturnNullForEmpty_FinishFlag) {
return nullptr;
}
}
SkAutoTUnref<SkLayerInfo> saveLayerData;
if (fBBH && (fFlags & kComputeSaveLayerInfo_RecordFlag)) {
saveLayerData.reset(new SkLayerInfo);
}
SkDrawableList* drawableList = fRecorder->getDrawableList();
SkBigPicture::SnapshotArray* pictList =
drawableList ? drawableList->newDrawableSnapshot() : nullptr;
if (fBBH.get()) {
SkAutoTMalloc<SkRect> bounds(fRecord->count());
if (saveLayerData) {
SkRecordComputeLayers(fCullRect, *fRecord, bounds, pictList, saveLayerData);
} else {
SkRecordFillBounds(fCullRect, *fRecord, bounds);
}
fBBH->insert(bounds, fRecord->count());
// Now that we've calculated content bounds, we can update fCullRect, often trimming it.
// TODO: get updated fCullRect from bounds instead of forcing the BBH to return it?
SkRect bbhBound = fBBH->getRootBound();
SkASSERT((bbhBound.isEmpty() || fCullRect.contains(bbhBound))
|| (bbhBound.isEmpty() && fCullRect.isEmpty()));
fCullRect = bbhBound;
}
size_t subPictureBytes = fRecorder->approxBytesUsedBySubPictures();
for (int i = 0; pictList && i < pictList->count(); i++) {
subPictureBytes += SkPictureUtils::ApproximateBytesUsed(pictList->begin()[i]);
}
return sk_make_sp<SkBigPicture>(fCullRect, fRecord.release(), pictList, fBBH.release(),
saveLayerData.release(), subPictureBytes);
}
