public static void WriteColorTransformRGB(this ISwfStreamWriter writer, ref ColorTransformRGB tranform)
{
var bitsCounter = new SignedBitsCount(0);
if (tranform.HasAddTerms)
{
bitsCounter.AddValue(tranform.RedAddTerm);
bitsCounter.AddValue(tranform.GreenAddTerm);
bitsCounter.AddValue(tranform.BlueAddTerm);
}
if (tranform.HasMultTerms)
{
bitsCounter.AddValue(tranform.RedMultTerm);
bitsCounter.AddValue(tranform.GreenMultTerm);
bitsCounter.AddValue(tranform.BlueMultTerm);
}
writer.WriteBit(tranform.HasAddTerms);
writer.WriteBit(tranform.HasMultTerms);
var bits = bitsCounter.GetBits();
writer.WriteUnsignedBits(bits, 4);
if (tranform.HasMultTerms)
{
writer.WriteSignedBits(tranform.RedMultTerm, bits);
writer.WriteSignedBits(tranform.GreenMultTerm, bits);
writer.WriteSignedBits(tranform.BlueMultTerm, bits);
}
if (tranform.HasAddTerms)
{
writer.WriteSignedBits(tranform.RedAddTerm, bits);
writer.WriteSignedBits(tranform.GreenAddTerm, bits);
writer.WriteSignedBits(tranform.BlueAddTerm, bits);
}
writer.FlushBits();
}
public static void WriteButtonRecordEx(this ISwfStreamWriter writer, ButtonRecordEx button)
{
writer.WriteUnsignedBits(button.Reserved, 2);
writer.WriteBit(button.BlendMode.HasValue);
writer.WriteBit(button.Filters.Count > 0);
writer.WriteBit(button.StateHitTest);
writer.WriteBit(button.StateDown);
writer.WriteBit(button.StateOver);
writer.WriteBit(button.StateUp);
if (!button.IsEndButton)
{
writer.WriteUInt16(button.CharacterID);
writer.WriteUInt16(button.PlaceDepth);
writer.WriteMatrix(ref button.PlaceMatrix);
writer.WriteColorTransformRGBA(button.ColorTransform);
writer.FlushBits();
if (button.Filters.Count > 0)
{
writer.WriteFilterList(button.Filters);
}
if (button.BlendMode.HasValue)
{
writer.WriteByte((byte)button.BlendMode.Value);
}
}
}
public static void WriteTextRecordRGBA(this ISwfStreamWriter writer, TextRecordRGBA record, uint glyphBits, uint advanceBits)
{
if (record == null)
{
throw new ArgumentNullException("record");
}
writer.WriteBit(record.Type);
writer.WriteUnsignedBits(record.Reserved, 3);
writer.WriteBit(record.FontID.HasValue);
writer.WriteBit(record.TextColor.HasValue);
writer.WriteBit(record.YOffset.HasValue);
writer.WriteBit(record.XOffset.HasValue);
var isEnd = !record.Type && record.Reserved == 0 && !record.FontID.HasValue && !record.TextColor.HasValue && !record.YOffset.HasValue && !record.XOffset.HasValue;
if (!isEnd)
{
if (record.FontID.HasValue)
{
writer.WriteUInt16(record.FontID.Value);
}
if (record.TextColor.HasValue)
{
var color = record.TextColor.Value;
writer.WriteRGBA(ref color);
}
if (record.XOffset.HasValue)
{
writer.WriteSInt16(record.XOffset.Value);
}
if (record.YOffset.HasValue)
{
writer.WriteSInt16(record.YOffset.Value);
}
if (record.FontID.HasValue)
{
if (!record.TextHeight.HasValue)
{
throw new InvalidOperationException("Font height must be specified when font is specified");
}
writer.WriteUInt16(record.TextHeight.Value);
}
if (record.Glyphs.Count > 255)
{
throw new InvalidOperationException("Text record has too much glyphs specified");
}
writer.WriteByte((byte)record.Glyphs.Count);
foreach (var glyph in record.Glyphs)
{
writer.WriteGlyphEntry(glyph, glyphBits, advanceBits);
}
}
writer.FlushBits();
}
public static void WriteShapeRecordsRGB(this ISwfStreamWriter writer, IList <IShapeRecordRGB> shapeRecords, uint fillStyleBits, uint lineStyleBits)
{
writer.WriteUnsignedBits(fillStyleBits, 4);
writer.WriteUnsignedBits(lineStyleBits, 4);
writer.FlushBits();
foreach (var shapeRecord in shapeRecords)
{
_shapeRecordWriter.WriteRGB(writer, shapeRecord, true, ref fillStyleBits, ref lineStyleBits);
}
}
/// <summary>
/// Writes rectangle to the writer.
/// </summary>
/// <param name="writer">Writer to which to write rectangle.</param>
/// <param name="rect">Rectangle to be written.</param>
public static void WriteRect(this ISwfStreamWriter writer, ref SwfRect rect)
{
var btCount = new SignedBitsCount(rect.XMin, rect.XMax, rect.YMin, rect.YMax);
var bits = btCount.GetBits();
if (bits < 1)
{
bits = 1;
}
writer.WriteUnsignedBits(bits, 5);
writer.WriteSignedBits(rect.XMin, bits);
writer.WriteSignedBits(rect.XMax, bits);
writer.WriteSignedBits(rect.YMin, bits);
writer.WriteSignedBits(rect.YMax, bits);
writer.FlushBits();
}
public static void WriteMatrix(this ISwfStreamWriter writer, ref SwfMatrix matrix)
{
var hasScale = matrix.HasScale;
writer.WriteBit(hasScale);
if (hasScale)
{
var sx = (int)(matrix.ScaleX * 65536.0);
var sy = (int)(matrix.ScaleY * 65536.0);
var scaleBits = new SignedBitsCount(sx, sy).GetBits();
if (scaleBits < 1)
{
scaleBits = 1;
}
writer.WriteUnsignedBits(scaleBits, 5);
writer.WriteFixedPoint16(matrix.ScaleX, scaleBits);
writer.WriteFixedPoint16(matrix.ScaleY, scaleBits);
}
var hasRotate = matrix.HasRotate;
writer.WriteBit(hasRotate);
if (hasRotate)
{
var rx = (int)(matrix.RotateSkew0 * 65536.0);
var ry = (int)(matrix.RotateSkew1 * 65536.0);
var rotateBits = new SignedBitsCount(rx, ry).GetBits();
if (rotateBits < 1)
{
rotateBits = 1;
}
writer.WriteUnsignedBits(rotateBits, 5);
writer.WriteFixedPoint16(matrix.RotateSkew0, rotateBits);
writer.WriteFixedPoint16(matrix.RotateSkew1, rotateBits);
}
var translateBits = new SignedBitsCount(matrix.TranslateX, matrix.TranslateY).GetBits();
writer.WriteUnsignedBits(translateBits, 5);
writer.WriteSignedBits(matrix.TranslateX, translateBits);
writer.WriteSignedBits(matrix.TranslateY, translateBits);
writer.FlushBits();
}