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 IList <TextRecordRGBA> ReadTextRecordsRGBA(this ISwfStreamReader reader, uint glyphBits, uint advanceBits) { var res = new List <TextRecordRGBA>(); bool isEnd; do { var record = new TextRecordRGBA(); record.Type = reader.ReadBit(); record.Reserved = (byte)reader.ReadUnsignedBits(3); var hasFont = reader.ReadBit(); var hasColor = reader.ReadBit(); var hasYOffset = reader.ReadBit(); var hasXOffset = reader.ReadBit(); isEnd = !record.Type && record.Reserved == 0 && !hasFont && !hasColor && !hasYOffset && !hasXOffset; if (!isEnd) { record.FontID = hasFont ? (ushort?)reader.ReadUInt16() : null; if (hasColor) { record.TextColor = reader.ReadRGBA(); } if (hasXOffset) { record.XOffset = reader.ReadSInt16(); } if (hasYOffset) { record.YOffset = reader.ReadSInt16(); } if (hasFont) { record.TextHeight = reader.ReadUInt16(); } var count = reader.ReadByte(); for (var i = 0; i < count; i++) { var entry = reader.ReadGlyphEntry(glyphBits, advanceBits); record.Glyphs.Add(entry); } reader.AlignToByte(); } res.Add(record); } while (!isEnd); return(res); }