/// <summary>
/// constructor.
/// </summary>
/// <param name="header">header data</param>
/// <param name="tags">list of inner tags</param>
public DefineSpriteTag(byte[] header, BaseTag[] tags, long size) {
this.header = header;
this.tagList = tags;
this.size = size;
_tagCode = (int)TagCodeEnum.DefineSprite;
_actionCount = 0;
foreach (BaseTag b in tagList) {
_actionCount += b.ActionRecCount;
}
tagForAction = new int[_actionCount];
tagOffset = new int[tagList.Length];
int actionIdx = 0;
for (int i=0; i<tagList.Length; i++) {
tagOffset[i] = actionIdx;
int count = ((BaseTag)tagList[i]).ActionRecCount;
if (count>0) {
for (int j=0; j<count; j++) {
tagForAction[actionIdx+j]=i;
}
actionIdx+=count;
}
}
}
/// <summary>
/// see <see cref="SwfOp.Data.Tags.BaseTag">base class</see>
/// </summary>
public override void UpdateData(byte version) {
// update inner tags
int len = 0;
for (int i=0; i<tagList.Length; i++) {
BaseTag tag = (BaseTag) tagList[i];
tag.UpdateData(version);
len += tag.Data.Length;
}
MemoryStream m = new MemoryStream();
BinaryWriter w = new BinaryWriter(m);
RecordHeader rh = new RecordHeader(TagCode, len + header.Length ,true);
rh.WriteTo(w);
w.Write(header);
for (int i=0; i<tagList.Length; i++) {
BaseTag tag = (BaseTag) tagList[i];
w.Write(tag.Data);
}
// update data
_data = m.ToArray();
}
/// <summary>
/// Constructor.
/// </summary>
public Swf(SwfHeader header,BaseTag[] tagList) {
this.Header = header;
this.tagList = tagList;
// count actions
_actionCount = 0;
foreach (BaseTag b in tagList) {
_actionCount+=b.ActionRecCount;
}
}
public TagEnumerator(BaseTag[] tagList) {
this.tagList = tagList;
this.index = -1;
}
/// <summary>
/// constructor. internal, since only used by BaseTag class
/// </summary>
/// <param name="tag">the BaseTag, who´s bytecode is being held</param>
internal BytecodeEnumerator(BaseTag tag) {
this.tag = tag;
this.index = -1;
}
private void ParseAttributes(BaseTag tag)
{
BitArray ba = BitParser.GetBitValues(tag.Data);
FileAttributes.UseDirectBlit = (bool)ba[16 + 1];
FileAttributes.UseGPU = (bool)ba[16 + 2];
FileAttributes.HasMetaData = (bool)ba[16 + 3];
FileAttributes.Actionscript3 = (bool)ba[16 + 4];
FileAttributes.UseNetwork = (bool)ba[16 + 7];
}
/// <summary>
/// constructor. internal, since only used by BaseTag class
/// </summary>
/// <param name="t">the BaseTag, who´s bytecode is being held</param>
internal BytecodeHolder(BaseTag t) {
tag = t;
}
/// <summary>
/// Read swf (header and tags), this is the only public method of <see cref="SwfOp.IO.SwfReader">SwfReader</see>
/// </summary>
public Swf ReadSwf() {
// compressed swf?
if (br.PeekChar()=='C') {
inflate();
}
SwfHeader header = ReadHeader();
this.version = header.Version;
ArrayList tagList = new ArrayList();
while (br.BaseStream.Position<br.BaseStream.Length) {
BaseTag b = this.ReadTag();
tagList.Add(b);
};
BaseTag[] tags = new BaseTag[tagList.Count];
tagList.CopyTo(tags,0);
br.Close();
return new Swf(header,tags);
}
/// <summary>
/// Read and parse DefineSpriteTag, into inner tags and raw byte-array header data
/// </summary>
protected DefineSpriteTag ReadDefineSpriteTag() {
RecordHeader rh = ReadRecordHeader();
// inner tags
ArrayList tagList = new ArrayList();
long endPos = br.BaseStream.Position + rh.TagLength;
// stuff before inner tags, just read it and dont look any further
byte[] header = br.ReadBytes(4);
while (br.BaseStream.Position<endPos) {
BaseTag b = this.ReadTag();
tagList.Add(b);
}
BaseTag[] tags = new BaseTag[tagList.Count];
tagList.CopyTo(tags,0);
return new DefineSpriteTag(header,tags);
}
/// <summary>
/// constructor. internal, since only used by BaseTag class
/// </summary>
/// <param name="tag">the BaseTag, who´s bytecode is being held</param>
internal BytecodeEnumerator(BaseTag tag)
{
this.tag = tag;
this.index = -1;
}
/// <summary>
/// constructor. internal, since only used by BaseTag class
/// </summary>
/// <param name="t">the BaseTag, who´s bytecode is being held</param>
internal BytecodeHolder(BaseTag t)
{
tag = t;
}
/// <summary>
/// Read swf (header and tags), this is the only public method of <see cref="SwfOp.IO.SwfReader">SwfReader</see>
/// </summary>
public Swf ReadSwf() {
// compressed swf?
if (br.PeekChar()=='C') {
inflate();
}
else if (br.PeekChar() == 'Z') {
inflateLZMA();
}
SwfHeader header = ReadHeader();
this.version = header.Version;
ArrayList tagList = new ArrayList();
try
{
streamEnd = br.BaseStream.Length;
while (br.BaseStream.Position < streamEnd)
{
BaseTag b = this.ReadTag();
tagList.Add(b);
};
}
catch (Exception eos)
{
Console.WriteLine("-- Error: Tag reader error: [" + eos.Message + "]");
}
BaseTag[] tags = new BaseTag[tagList.Count];
tagList.CopyTo(tags,0);
br.Close();
return new Swf(header,tags);
}
