bool MovieClip::createFrames( Reader& reader, SWF& swf, MovieFrames &data )
{
RECT empty = {FLT_MAX,FLT_MAX,-FLT_MAX,-FLT_MAX};
data._rectangle = empty;
sbCalculateRectangle = true;
// get all tags and build frame lists
TagHeader header;
ITag* tag = NULL;
TagList* frame_tags = new TagList;
TagList actionTags;
do {
header.read( reader );
const uint32_t code = header.code();
SWF::TagFactoryFunc factory = SWF::getTagFactory( code );
if (! factory ) {
// no registered factory so skip this tag
SWF_TRACE("*** SKIP *** ");
header.print();
reader.skip( header.length() );
continue;
}
tag = factory( header );
SWF_ASSERT(tag);
int32_t end_pos = reader.getCurrentPos() + tag->length();
bool keepTag = tag->read( reader, swf, data );
tag->print();
reader.align();
int32_t dif = end_pos - reader.getCurrentPos();
if( dif != 0 ) {
SWF_TRACE("WARNING: tag not read correctly. trying to skip.\n");
reader.skip( dif );
}
if (keepTag) {
// collect action tags
if (tag->code() == TAG_DO_ACTION) {
actionTags.push_back(tag);
} else {
frame_tags->push_back( tag );
}
} else {
delete tag;
}
// create a new frame
if ( TAG_SHOW_FRAME == code ) {
SWF_TRACE("[%d] has %d tags\n", data._frames.size(), frame_tags->size());
// put action tags at the end of list in order to avoid callback error
TagList::iterator it = actionTags.begin();
while (it != actionTags.end()) {
frame_tags->push_back( *it );
++it;
}
actionTags.clear();
data._frames.push_back( frame_tags );
frame_tags = new TagList;
sbCalculateRectangle = false;
}
} while( header.code() != TAG_END );
delete frame_tags;
return true;
}
