public DefineSoundTag(SwfReader r, uint tagLen)
{
SoundId = r.GetUI16();
SoundFormat = (SoundCompressionType)r.GetBits(4);
uint sr = r.GetBits(2);
switch (sr)
{
case 0:
SoundRate = 5512; // ?
break;
case 1:
SoundRate = 11025;
break;
case 2:
SoundRate = 22050;
break;
case 3:
SoundRate = 44100;
break;
}
SoundSize = r.GetBit() ? 16U : 8U;
IsStereo = r.GetBit();
r.Align();
SoundSampleCount = r.GetUI32();
// todo: this needs to decompress if mp3 etc
SoundData = r.GetBytes(tagLen - 7);
}
public SoundInfo(SwfReader r)
{
r.GetBits(2); // reserved
IsSyncStop = r.GetBit();
IsSyncNoMultiple = r.GetBit();
HasEnvelope = r.GetBit();
HasLoops = r.GetBit();
HasOutPoint = r.GetBit();
r.Align();
if(HasInPoint)
{
InPoint = r.GetUI32();
}
if(HasOutPoint)
{
OutPoint = r.GetUI32();
}
if(HasLoops)
{
LoopCount = r.GetUI16();
}
if(HasEnvelope)
{
uint count = (uint)r.GetByte();
uint pos;
uint left;
uint right;
EnvelopeRecords = new SoundEnvelope[count];
for (int i = 0; i < count; i++)
{
pos = r.GetUI32();
left = r.GetUI16();
right = r.GetUI16();
EnvelopeRecords[i] = new SoundEnvelope(pos, left, right);
}
}
}
public ClipActionRecord(SwfReader r, bool isSwf6Plus)
{
uint highClip = r.GetBits(16) << 16;
uint lowClip = 0;
bool isEndRecord = false;
if (highClip == 0)
{
if (isSwf6Plus)
{
lowClip = r.GetBits(16);
if (lowClip == 0)
{
ClipEvents = (ClipEvents)0;
ActionRecordSize = 4;
isEndRecord = true;
}
}
else
{
ClipEvents = (ClipEvents)0;
ActionRecordSize = 2;
isEndRecord = true;
}
}
else
{
lowClip = r.GetBits(16);
}
if (!isEndRecord)
{
ClipEvents = (ClipEvents)(lowClip | highClip);
ActionRecordSize = r.GetUI32();
if ((ClipEvents & ClipEvents.KeyPress) > 0)
{
KeyCode = r.GetByte();
}
ActionRecords = new ActionRecords(r, ActionRecordSize); // always is init tag?
}
}
// this needs to combine with the jpegTables in the swfCompilationUnit to make an image
public DefineBitsTag(SwfReader r, uint curTagLen, bool hasOwnTable, bool hasAlphaData)
{
this.HasOwnTable = hasOwnTable;
this.HasAlphaData = hasAlphaData;
if (hasOwnTable && !hasAlphaData)
{
tagType = TagType.DefineBitsJPEG2;
}
else if(hasOwnTable && hasAlphaData)
{
tagType = TagType.DefineBitsJPEG3;
}
CharacterId = r.GetUI16();
if (!hasAlphaData)
{
if(!hasOwnTable)
{
r.GetBytes(2); // SOI
JpegData = r.GetBytes(curTagLen - 6);
r.GetBytes(2); // EOI
}
else
{
JpegData = r.GetBytes(curTagLen - 2);
CleanData();
}
}
else
{
uint jpgDataSize = r.GetUI32();
JpegData = r.GetBytes(jpgDataSize);
// ignore alpha for now
CompressedAlphaData = r.GetBytes(curTagLen - 6 - jpgDataSize);
CleanData();
}
}
public SwfHeader(SwfReader r)
{
this.Signature0 = r.GetByte();
if (this.Signature0 == 'C')
{
this.IsCompressed = true;
r.DecompressSwf();
}
else
{
this.IsCompressed = false;
}
this.Signature1 = r.GetByte();
this.Signature2 = r.GetByte();
this.IsSwf = (Signature2 == 'S') && (Signature1 == 'W') && ((Signature0 == 'C') || (Signature0 == 'F'));
if (IsSwf)
{
this.Version = r.GetByte();
this.FileLength = r.GetUI32();
this.FrameSize = new Rect(r);
UInt16 frate = r.GetUI16();
this.FrameRate = (frate >> 8) + ((frate & 0xFF) / 0xFF);
this.FrameCount = r.GetUI16();
}
else
{
this.Version = 0;
this.FileLength = 0;
this.FrameSize = new Rect(0,0,0,0);
this.FrameRate = 0;
this.FrameCount = 0;
}
}
private void ParseTags(SwfReader r, byte swfVersion)
{
bool tagsRemain = true;
uint curFrame = 0;
while (tagsRemain)
{
uint b = r.GetUI16();
curTag = (TagType)(b >> 6);
curTagLen = b & 0x3F;
if (curTagLen == 0x3F)
{
curTagLen = r.GetUI32();
}
uint tagEnd = r.Position + curTagLen;
Debug.WriteLine("sprite type: " + ((uint)curTag).ToString("X2") + " -- " + Enum.GetName(typeof(TagType), curTag));
switch (curTag)
{
case TagType.End:
tagsRemain = false;
ControlTags.Add(new EndTag(r));
break;
case TagType.PlaceObject:
PlaceObjectTag pot = new PlaceObjectTag(r, tagEnd);
FirstFrameObjects.Add(pot);
ControlTags.Add(pot);
break;
case TagType.PlaceObject2:
PlaceObject2Tag po2t = new PlaceObject2Tag(r, swfVersion);
if (po2t.HasCharacter)
{
FirstFrameObjects.Add(po2t);
}
ControlTags.Add(po2t);
break;
case TagType.PlaceObject3:
PlaceObject3Tag po3t = new PlaceObject3Tag(r);
if (po3t.HasCharacter)
{
FirstFrameObjects.Add(po3t);
}
ControlTags.Add(po3t);
break;
case TagType.RemoveObject:
ControlTags.Add(new RemoveObjectTag(r));
break;
case TagType.RemoveObject2:
ControlTags.Add(new RemoveObject2Tag(r));
break;
case TagType.ShowFrame:
ControlTags.Add(new ShowFrame(r));
curFrame++;
break;
case TagType.SoundStreamHead:
case TagType.SoundStreamHead2:
ControlTags.Add(new SoundStreamHeadTag(r));
break;
case TagType.FrameLabel:
ControlTags.Add(new FrameLabelTag(r));
break;
case TagType.DoAction:
ControlTags.Add(new DoActionTag(r, curTagLen));
break;
case TagType.DoInitAction:
ControlTags.Add(new DoActionTag(r, curTagLen, true));
break;
default:
// skip if unknown
Debug.WriteLine("invalid sprite tag: " + ((uint)curTag).ToString("X2") + " -- " + Enum.GetName(typeof(TagType), curTag));
r.SkipBytes(curTagLen);
break;
}
if (tagEnd != r.Position)
{
Console.WriteLine("bad tag in sprite: " + Enum.GetName(typeof(TagType), curTag));
}
}
}
public FileAttributesTag(SwfReader r)
{
this.flags = r.GetUI32();
}
private TagType tagType = TagType.DefineFont2; // may be 3
#endregion Fields
#region Constructors
public DefineFont2_3(SwfReader r, bool isHighRes)
{
this.IsHighRes = isHighRes; // true;
if (isHighRes)
{
this.tagType = TagType.DefineFont3;
}
this.FontId = r.GetUI16();
this.FontFlagsHasLayout = r.GetBit();
this.FontFlagsShiftJIS = r.GetBit();
this.FontFlagsSmallText = r.GetBit();
this.FontFlagsANSI = r.GetBit();
this.FontFlagsWideOffsets = r.GetBit();
this.FontFlagsWideCodes = r.GetBit();
this.FontFlagsItalic = r.GetBit();
this.FontFlagsBold = r.GetBit();
r.Align();
this.LanguageCode = (uint)r.GetByte();
uint fontNameLen = (uint)r.GetByte();
this.FontName = r.GetString(fontNameLen);
this.NumGlyphs = r.GetUI16();
this.OffsetTable = new uint[this.NumGlyphs];
for (int i = 0; i < this.NumGlyphs; i++)
{
this.OffsetTable[i] = this.FontFlagsWideOffsets ? r.GetUI32() : r.GetUI16();
}
this.CodeTableOffset = this.FontFlagsWideOffsets ? r.GetUI32() : r.GetUI16();
GlyphShapeTable = new List<Shape>();
for (int i = 0; i < this.NumGlyphs; i++)
{
Shape s = new Shape(r);
GlyphShapeTable.Add(s);
}
this.CodeTable = new uint[this.NumGlyphs];
for (int i = 0; i < this.NumGlyphs; i++)
{
this.CodeTable[i] = r.GetUI16();
}
if (this.FontFlagsHasLayout)
{
this.FontAscent = r.GetInt16();
this.FontDescent = r.GetInt16();
this.FontLeading = r.GetInt16();
this.FontAdvanceTable = new int[this.NumGlyphs];
for (int i = 0; i < this.NumGlyphs; i++)
{
this.FontAdvanceTable[i] = r.GetInt16();
}
this.FontBoundsTable = new Rect[this.NumGlyphs];
for (int i = 0; i < this.NumGlyphs; i++)
{
this.FontBoundsTable[i] = new Rect(r);
}
this.KerningCount = r.GetUI16();
this.FontKerningTable = new KerningRecord[this.KerningCount];
if(this.FontFlagsWideCodes)
{
for (int i = 0; i < this.KerningCount; i++)
{
this.FontKerningTable[i] = new KerningRecord(r.GetUI16(), r.GetUI16(), r.GetInt16());
}
}
else
{
for (int i = 0; i < this.KerningCount; i++)
{
this.FontKerningTable[i] = new KerningRecord((uint)r.GetByte(), (uint)r.GetByte(), r.GetInt16());
}
}
}
}
