static Filter ReadConcreteFilter(GradientBevelFilter filter, SwfStreamReader reader)
{
var num_colors = reader.ReadByte();
filter.GradientColors = new SwfColor[num_colors];
for (var i = 0; i < num_colors; ++i)
{
filter.GradientColors[i] = SwfColor.Read(reader, true);
}
filter.GradientRatio = new byte[num_colors];
for (var i = 0; i < num_colors; ++i)
{
filter.GradientRatio[i] = reader.ReadByte();
}
filter.BlurX = reader.ReadFixedPoint_16_16();
filter.BlurY = reader.ReadFixedPoint_16_16();
filter.Angle = reader.ReadFixedPoint_16_16();
filter.Distance = reader.ReadFixedPoint_16_16();
filter.Strength = reader.ReadFixedPoint_8_8();
filter.InnerShadow = reader.ReadBit();
filter.Knockout = reader.ReadBit();
filter.CompositeSource = reader.ReadBit();
filter.OnTop = reader.ReadBit();
filter.Passes = reader.ReadUnsignedBits(4);
return(filter);
}
public static SwfColor Read(SwfStreamReader reader, bool with_alpha)
{
var r = reader.ReadByte();
var g = reader.ReadByte();
var b = reader.ReadByte();
var a = with_alpha ? reader.ReadByte() : byte.MaxValue;
return(new SwfColor {
R = r,
G = g,
B = b,
A = a
});
}
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);
}
public static SwfShortHeader Read(SwfStreamReader reader)
{
return(new SwfShortHeader {
Format = new string(reader.ReadChars(3)),
Version = reader.ReadByte(),
FileLength = reader.ReadUInt32()
});
}
public static FrameLabelTag Create(SwfStreamReader reader)
{
var tag = new FrameLabelTag();
tag.Name = reader.ReadString();
tag.AnchorFlag = reader.IsEOF ? (byte)0 : reader.ReadByte();
return(tag);
}
public static SwfFillStyleType Read(SwfStreamReader reader)
{
var type_id = reader.ReadByte();
return(new SwfFillStyleType {
Value = TypeFromByte(type_id)
});
}
static Filter ReadConcreteFilter(ConvolutionFilter filter, SwfStreamReader reader)
{
filter.MatrixX = reader.ReadByte();
filter.MatrixY = reader.ReadByte();
filter.Divisor = reader.ReadFloat32();
filter.Bias = reader.ReadFloat32();
filter.Matrix = new float[filter.MatrixX * filter.MatrixY];
for (var i = 0; i < filter.Matrix.Length; ++i)
{
filter.Matrix[i] = reader.ReadFloat32();
}
filter.DefaultColor = SwfColor.Read(reader, true);
reader.ReadUnsignedBits(6); // reserved
filter.Clamp = reader.ReadBit();
filter.PreserveAlpha = reader.ReadBit();
return(filter);
}
public static SwfBlendMode Read(SwfStreamReader reader)
{
var mode_id = reader.ReadByte();
return(new SwfBlendMode {
Value = ModeFromByte(mode_id)
});
}
public static DefineShape4Tag Create(SwfStreamReader reader)
{
var tag = new DefineShape4Tag();
tag.ShapeId = reader.ReadUInt16();
tag.ShapeBounds = SwfRect.Read(reader);
tag.EdgeBounds = SwfRect.Read(reader);
tag.Flags = reader.ReadByte();
tag.Shapes = SwfShapesWithStyle.Read(reader, SwfShapesWithStyle.ShapeStyleType.Shape4);
return(tag);
}
public override byte ReadByte()
{
var a = _first.ReadByte();
var b = _second.ReadByte();
if (a != b)
{
throw new Exception(string.Format("a={0}, b={1}", a, b));
}
return(a);
}
// -----------------------------
// Gradient
// -----------------------------
static void SkipGradient(SwfStreamReader reader, bool with_alpha)
{
reader.ReadUnsignedBits(2); // SpreadMode
reader.ReadUnsignedBits(2); // InterpolationMode
var count = reader.ReadUnsignedBits(4);
for (var i = 0; i < count; ++i)
{
reader.ReadByte(); // Ratio
SwfColor.Read(reader, with_alpha);
}
}
public static SwfSurfaceFilters Read(SwfStreamReader reader)
{
var filter_count = reader.ReadByte();
var filters = new List <Filter>(filter_count);
for (var i = 0; i < filter_count; ++i)
{
filters.Add(ReadFilter(reader));
}
return(new SwfSurfaceFilters {
Filters = filters
});
}
// ---------------------------------------------------------------------
//
// 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);
}
}
}
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);
}
// ---------------------------------------------------------------------
//
// ReadFilters
//
// ---------------------------------------------------------------------
static Filter ReadFilter(SwfStreamReader reader)
{
var type_id = reader.ReadByte();
return(CreateFilterFromTypeId(type_id, reader));
}
