SkPicture* onNewPictureSnapshot() override {
SkBigPicture::SnapshotArray* pictList = NULL;
if (fDrawableList) {
// TODO: should we plumb-down the BBHFactory and recordFlags from our host
// PictureRecorder?
pictList = fDrawableList->newDrawableSnapshot();
}
SkAutoTUnref<SkLayerInfo> saveLayerData;
if (fBBH && fDoSaveLayerInfo) {
saveLayerData.reset(SkNEW(SkLayerInfo));
SkBBoxHierarchy* bbh = NULL; // we've already computed fBBH (received in constructor)
// TODO: update saveLayer info computation to reuse the already computed
// bounds in 'fBBH'
SkRecordComputeLayers(fBounds, *fRecord, pictList, bbh, saveLayerData);
}
size_t subPictureBytes = 0;
for (int i = 0; pictList && i < pictList->count(); i++) {
subPictureBytes += SkPictureUtils::ApproximateBytesUsed(pictList->begin()[i]);
}
// SkBigPicture will take ownership of a ref on both fRecord and fBBH.
// We're not willing to give up our ownership, so we must ref them for SkPicture.
return SkNEW_ARGS(SkBigPicture, (fBounds,
SkRef(fRecord.get()),
pictList,
SkSafeRef(fBBH.get()),
saveLayerData.detach(),
subPictureBytes));
}
