public static RemoveObjectTag Create(SwfStreamReader reader)
{
return(new RemoveObjectTag {
CharacterId = reader.ReadUInt16(),
Depth = reader.ReadUInt16()
});
}
public static ScriptLimitsTag Create(SwfStreamReader reader)
{
return(new ScriptLimitsTag {
MaxRecursionDepth = reader.ReadUInt16(),
ScriptTimeoutSeconds = reader.ReadUInt16()
});
}
public static DefineSpriteTag Create(SwfStreamReader reader)
{
var tag = new DefineSpriteTag();
tag.SpriteId = reader.ReadUInt16();
tag.FrameCount = reader.ReadUInt16();
tag.ControlTags = SwfControlTags.Read(reader);
return(tag);
}
public static PlaceObjectTag Create(SwfStreamReader reader)
{
var tag = new PlaceObjectTag();
tag.CharacterId = reader.ReadUInt16();
tag.Depth = reader.ReadUInt16();
tag.Matrix = SwfMatrix.Read(reader);
tag.ColorTransform = reader.IsEOF
? SwfColorTransform.identity
: SwfColorTransform.Read(reader, false);
return(tag);
}
public static DefineBitsLosslessTag Create(SwfStreamReader reader)
{
var tag = new DefineBitsLosslessTag();
tag.CharacterId = reader.ReadUInt16();
tag.BitmapFormat = reader.ReadByte();
tag.BitmapWidth = reader.ReadUInt16();
tag.BitmapHeight = reader.ReadUInt16();
if (tag.BitmapFormat == 3)
{
tag.BitmapColorTableSize = (ushort)(reader.ReadByte() + 1);
}
tag.ZlibBitmapData = reader.ReadRest();
return(tag);
}
protected IEnumerable<TagBinaryInfo> GetTagFullBinariesFromSwfResource(string resourceName)
{
var file = new SwfFile();
var stream = OpenEmbeddedResource(resourceName);
SwfStreamReader reader = new SwfStreamReader(stream);
file.FileInfo = reader.ReadSwfFileInfo();
stream = DecompressIfNeeded(file.FileInfo, stream);
stream.Seek(8, SeekOrigin.Begin);
reader = new SwfStreamReader(stream);
file.Header = reader.ReadSwfHeader();
while (stream.Position < stream.Length) {
var position = stream.Position;
ushort typeAndSize = reader.ReadUInt16();
SwfTagType type = (SwfTagType)(typeAndSize >> 6);
int shortSize = typeAndSize & 0x3f;
int size = shortSize < 0x3f ? shortSize : reader.ReadInt32();
var length = stream.Position - position + size;
stream.Seek(position, SeekOrigin.Begin);
yield return new TagBinaryInfo { Type = type, Binary = reader.ReadBytes((int)length) };
}
}
static void SkipLine2Style(SwfStreamReader reader)
{
reader.ReadUInt16(); // Width
reader.ReadUnsignedBits(2); // StartCapStyle
var join_style = reader.ReadUnsignedBits(2);
var has_fill_flag = reader.ReadBit();
reader.ReadBit(); // NoHScaleFlag
reader.ReadBit(); // NoVScaleFlag
reader.ReadBit(); // PixelHintingFlag
reader.ReadUnsignedBits(5); // Reserved
reader.ReadBit(); // NoClose
reader.ReadUnsignedBits(2); // EndCapStyle
if (join_style == 2)
{
reader.ReadFixedPoint_8_8(); // MiterLimitFactor
}
if (has_fill_flag)
{
ReadFillStyle(reader, true); // FillStyle
}
else
{
SwfColor.Read(reader, true);
}
}
public static ExportAssetsTag Create(SwfStreamReader reader)
{
var asset_tag_count = reader.ReadUInt16();
var asset_tags = new List <AssetTagData>(asset_tag_count);
for (var i = 0; i < asset_tag_count; ++i)
{
asset_tags.Add(new AssetTagData {
Tag = reader.ReadUInt16(),
Name = reader.ReadString()
});
}
return(new ExportAssetsTag {
AssetTags = asset_tags
});
}
protected IEnumerable <TagBinaryInfo> GetTagFullBinariesFromSwfResource(string resourceName)
{
var file = new SwfFile();
var stream = OpenEmbeddedResource(resourceName);
SwfStreamReader reader = new SwfStreamReader(stream);
file.FileInfo = reader.ReadSwfFileInfo();
stream = DecompressIfNeeded(file.FileInfo, stream);
stream.Seek(8, SeekOrigin.Begin);
reader = new SwfStreamReader(stream);
file.Header = reader.ReadSwfHeader();
while (stream.Position < stream.Length)
{
var position = stream.Position;
ushort typeAndSize = reader.ReadUInt16();
SwfTagType type = (SwfTagType)(typeAndSize >> 6);
int shortSize = typeAndSize & 0x3f;
int size = shortSize < 0x3f ? shortSize : reader.ReadInt32();
var length = stream.Position - position + size;
stream.Seek(position, SeekOrigin.Begin);
yield return(new TagBinaryInfo {
Type = type, Binary = reader.ReadBytes((int)length)
});
}
}
public static SymbolClassTag Create(SwfStreamReader reader)
{
var symbol_tag_count = reader.ReadUInt16();
var symbol_tags = new List <SymbolTagData>(symbol_tag_count);
for (var i = 0; i < symbol_tag_count; ++i)
{
symbol_tags.Add(new SymbolTagData {
Tag = reader.ReadUInt16(),
Name = reader.ReadString()
});
}
return(new SymbolClassTag {
SymbolTags = symbol_tags
});
}
public static DefineShape2Tag Create(SwfStreamReader reader)
{
var tag = new DefineShape2Tag();
tag.ShapeId = reader.ReadUInt16();
tag.ShapeBounds = SwfRect.Read(reader);
tag.Shapes = SwfShapesWithStyle.Read(reader, SwfShapesWithStyle.ShapeStyleType.Shape2);
return(tag);
}
public static SwfLongHeader Read(SwfStreamReader reader)
{
return(new SwfLongHeader {
ShortHeader = SwfShortHeader.Read(reader),
FrameSize = SwfRect.Read(reader),
FrameRate = reader.ReadFixedPoint_8_8(),
FrameCount = reader.ReadUInt16()
});
}
public static PlaceObject2Tag Create(SwfStreamReader reader)
{
var tag = new PlaceObject2Tag();
tag.HasClipActions = reader.ReadBit();
tag.HasClipDepth = reader.ReadBit();
tag.HasName = reader.ReadBit();
tag.HasRatio = reader.ReadBit();
tag.HasColorTransform = reader.ReadBit();
tag.HasMatrix = reader.ReadBit();
tag.HasCharacter = reader.ReadBit();
tag.Move = reader.ReadBit();
tag.Depth = reader.ReadUInt16();
tag.CharacterId = tag.HasCharacter
? reader.ReadUInt16()
: (ushort)0;
tag.Matrix = tag.HasMatrix
? SwfMatrix.Read(reader, false)
: SwfMatrix.identity;
tag.ColorTransform = tag.HasColorTransform
? SwfColorTransform.Read(reader, true)
: SwfColorTransform.identity;
tag.Ratio = tag.HasRatio
? reader.ReadUInt16()
: (ushort)0;
tag.Name = tag.HasName
? reader.ReadString()
: string.Empty;
tag.ClipDepth = tag.HasClipDepth
? reader.ReadUInt16()
: (ushort)0;
tag.ClipActions = tag.HasClipActions
? SwfClipActions.Read(reader)
: SwfClipActions.identity;
return(tag);
}
public static EnableTelemetryTag Create(SwfStreamReader reader)
{
reader.ReadUInt16(); // reserved
var sha256 = reader.IsEOF
? new byte[0]
: reader.ReadBytes(32);
return(new EnableTelemetryTag {
SHA256PasswordHash = sha256
});
}
public override ushort ReadUInt16()
{
var a = _first.ReadUInt16();
var b = _second.ReadUInt16();
if (a != b)
{
throw new Exception(string.Format("a={0}, b={1}", a, b));
}
return(a);
}
public static EnableDebugger2Tag Create(SwfStreamReader reader)
{
reader.ReadUInt16(); // reserved
var md5 = reader.IsEOF
? string.Empty
: reader.ReadString();
return(new EnableDebugger2Tag {
MD5PasswordHash = md5
});
}
public static DefineBinaryDataTag Create(SwfStreamReader reader)
{
var tag = reader.ReadUInt16();
reader.ReadUInt32(); // reserved
var data = reader.ReadRest();
return(new DefineBinaryDataTag {
Tag = tag,
Data = data
});
}
public static SwfTagBase Read(SwfStreamReader reader)
{
var type_and_size = reader.ReadUInt16();
var tag_id = type_and_size >> 6;
var short_size = type_and_size & 0x3f;
var size = short_size < 0x3f ? (uint)short_size : reader.ReadUInt32();
var tag_data = reader.ReadBytes(size);
return(Create(new SwfTagData {
TagId = tag_id,
TagData = tag_data
}));
}
public void ReadUInt16Test()
{
var mem = new MemoryStream();
mem.WriteByte(0x12);
mem.WriteByte(0xe7);
mem.Seek(0, SeekOrigin.Begin);
var reader = new SwfStreamReader(mem);
Assert.AreEqual(0xe712, reader.ReadUInt16(), "Value");
Assert.AreEqual(mem.Length, mem.Position, "Should reach end of the stream");
}
// ---------------------------------------------------------------------
//
// FillStyles
//
// ---------------------------------------------------------------------
static List <FillStyle> ReadFillStyles(
SwfStreamReader reader, bool allow_big_array, bool with_alpha)
{
ushort count = reader.ReadByte();
if (allow_big_array && count == 255)
{
count = reader.ReadUInt16();
}
var styles = new List <FillStyle>(count);
for (var i = 0; i < count; ++i)
{
styles.Add(ReadFillStyle(reader, with_alpha));
}
return(styles);
}
// ---------------------------------------------------------------------
//
// LineStyles
//
// ---------------------------------------------------------------------
static void SkipLineStyles(
SwfStreamReader reader, bool allow_big_array, bool with_alpha, bool line2_type)
{
ushort count = reader.ReadByte();
if (allow_big_array && count == 255)
{
count = reader.ReadUInt16();
}
for (var i = 0; i < count; ++i)
{
if (line2_type)
{
SkipLine2Style(reader);
}
else
{
SkipLineStyle(reader, with_alpha);
}
}
}
// -----------------------------
// FillStyle
// -----------------------------
static FillStyle ReadFillStyle(SwfStreamReader reader, bool with_alpha)
{
var fill_style = new FillStyle();
fill_style.Type = SwfFillStyleType.Read(reader);
if (fill_style.Type.IsSolidType)
{
SwfColor.Read(reader, with_alpha);
}
if (fill_style.Type.IsGradientType)
{
SwfMatrix.Read(reader, true); // GradientMatrix
switch (fill_style.Type.Value)
{
case SwfFillStyleType.Type.LinearGradient:
case SwfFillStyleType.Type.RadialGradient:
SkipGradient(reader, with_alpha); // Gradient
break;
case SwfFillStyleType.Type.FocalGradient:
SkipFocalGradient(reader, with_alpha); // FocalGradient
break;
}
}
if (fill_style.Type.IsBitmapType)
{
fill_style.BitmapId = reader.ReadUInt16();
fill_style.BitmapMatrix = SwfMatrix.Read(reader, true);
}
else
{
throw new System.Exception(
"Imported .swf file contains vector graphics. " +
"You should use Tools/FlashExport.jsfl script for prepare .fla file");
}
return(fill_style);
}
public void ReadUInt16Test()
{
var mem = new MemoryStream();
mem.WriteByte(0x12);
mem.WriteByte(0xe7);
mem.Seek(0, SeekOrigin.Begin);
var reader = new SwfStreamReader(mem);
Assert.AreEqual(0xe712, reader.ReadUInt16(), "Value");
Assert.AreEqual(mem.Length, mem.Position, "Should reach end of the stream");
}
// -----------------------------
// LineStyles
// -----------------------------
static void SkipLineStyle(SwfStreamReader reader, bool with_alpha)
{
reader.ReadUInt16(); // Width
SwfColor.Read(reader, with_alpha);
}
public static RemoveObject2Tag Create(SwfStreamReader reader)
{
return(new RemoveObject2Tag {
Depth = reader.ReadUInt16()
});
}
public static PlaceObject3Tag Create(SwfStreamReader reader)
{
var tag = new PlaceObject3Tag();
tag.HasClipActions = reader.ReadBit();
tag.HasClipDepth = reader.ReadBit();
tag.HasName = reader.ReadBit();
tag.HasRatio = reader.ReadBit();
tag.HasColorTransform = reader.ReadBit();
tag.HasMatrix = reader.ReadBit();
tag.HasCharacter = reader.ReadBit();
tag.Move = reader.ReadBit();
reader.ReadBit(); // reserved
tag.OpaqueBackground = reader.ReadBit();
tag.HasVisible = reader.ReadBit();
tag.HasImage = reader.ReadBit();
tag.HasClassName = reader.ReadBit();
tag.HasCacheAsBitmap = reader.ReadBit();
tag.HasBlendMode = reader.ReadBit();
tag.HasFilterList = reader.ReadBit();
tag.Depth = reader.ReadUInt16();
tag.ClassName = tag.HasClassName
? reader.ReadString()
: string.Empty;
tag.CharacterId = tag.HasCharacter
? reader.ReadUInt16()
: (ushort)0;
tag.Matrix = tag.HasMatrix
? SwfMatrix.Read(reader)
: SwfMatrix.identity;
tag.ColorTransform = tag.HasColorTransform
? SwfColorTransform.Read(reader, true)
: SwfColorTransform.identity;
tag.Ratio = tag.HasRatio
? reader.ReadUInt16()
: (ushort)0;
tag.Name = tag.HasName
? reader.ReadString()
: string.Empty;
tag.ClipDepth = tag.HasClipDepth
? reader.ReadUInt16()
: (ushort)0;
tag.SurfaceFilters = tag.HasFilterList
? SwfSurfaceFilters.Read(reader)
: SwfSurfaceFilters.identity;
tag.BlendMode = tag.HasBlendMode
? SwfBlendMode.Read(reader)
: SwfBlendMode.identity;
tag.BitmapCache = tag.HasCacheAsBitmap
? (0 != reader.ReadByte())
: false;
tag.Visible = tag.HasVisible && !reader.IsEOF
? (0 != reader.ReadByte())
: true;
tag.BackgroundColor = tag.HasVisible && !reader.IsEOF
? SwfColor.Read(reader, true)
: SwfColor.identity;
tag.ClipActions = tag.HasClipActions && !reader.IsEOF
? SwfClipActions.Read(reader)
: SwfClipActions.identity;
return(tag);
}
