LayerAndroid* deserializeLayer(SkStream* stream)
{
int type = stream->readU8();
if (type == LTNone)
return 0;
// Cast is to disambiguate between ctors.
LayerAndroid *layer;
if (type == LTLayerAndroid)
layer = new LayerAndroid((RenderLayer*) 0);
else if (type == LTScrollableLayerAndroid)
layer = new ScrollableLayerAndroid((RenderLayer*) 0);
else {
XLOG("Unexpected layer type: %d, aborting!", type);
return 0;
}
// Layer fields
layer->setShouldInheritFromRootTransform(stream->readBool());
layer->setOpacity(stream->readScalar());
layer->setSize(stream->readScalar(), stream->readScalar());
layer->setPosition(stream->readScalar(), stream->readScalar());
layer->setAnchorPoint(stream->readScalar(), stream->readScalar());
layer->setMatrix(readMatrix(stream));
layer->setChildrenMatrix(readMatrix(stream));
// LayerAndroid fields
layer->m_haveClip = stream->readBool();
layer->m_isFixed = stream->readBool();
layer->m_backgroundColorSet = stream->readBool();
layer->m_isIframe = stream->readBool();
layer->m_fixedLeft = readSkLength(stream);
layer->m_fixedTop = readSkLength(stream);
layer->m_fixedRight = readSkLength(stream);
layer->m_fixedBottom = readSkLength(stream);
layer->m_fixedMarginLeft = readSkLength(stream);
layer->m_fixedMarginTop = readSkLength(stream);
layer->m_fixedMarginRight = readSkLength(stream);
layer->m_fixedMarginBottom = readSkLength(stream);
layer->m_fixedRect = readSkRect(stream);
layer->m_renderLayerPos.setX(stream->readS32());
layer->m_renderLayerPos.setY(stream->readS32());
layer->m_backfaceVisibility = stream->readBool();
layer->m_visible = stream->readBool();
layer->m_backgroundColor = stream->readU32();
layer->m_preserves3D = stream->readBool();
layer->m_anchorPointZ = stream->readScalar();
layer->m_drawOpacity = stream->readScalar();
bool hasContentsImage = stream->readBool();
if (hasContentsImage) {
int size = stream->readU32();
SkAutoMalloc storage(size);
stream->read(storage.get(), size);
SkFlattenableReadBuffer buffer(storage.get(), size);
SkBitmap contentsImage;
contentsImage.unflatten(buffer);
SkBitmapRef* imageRef = new SkBitmapRef(contentsImage);
layer->setContentsImage(imageRef);
delete imageRef;
}
bool hasRecordingPicture = stream->readBool();
if (hasRecordingPicture) {
layer->m_recordingPicture = new SkPicture(stream);
}
int animationCount = stream->readU32(); // TODO: Support (maybe?)
readTransformationMatrix(stream, layer->m_transform);
readTransformationMatrix(stream, layer->m_childrenTransform);
if (type == LTScrollableLayerAndroid) {
ScrollableLayerAndroid* scrollableLayer =
static_cast<ScrollableLayerAndroid*>(layer);
scrollableLayer->m_scrollLimits.set(
stream->readScalar(),
stream->readScalar(),
stream->readScalar(),
stream->readScalar());
}
int childCount = stream->readU32();
for (int i = 0; i < childCount; i++) {
LayerAndroid *childLayer = deserializeLayer(stream);
if (childLayer)
layer->addChild(childLayer);
}
layer->needsRepaint();
XLOG("Created layer with id %d", layer->uniqueId());
return layer;
}
