示例#1
0
        /// <summary>
        /// Read the Compact Font Format font from the input data.
        /// </summary>
        public static CompactFontFormatFontCollection Parse(CompactFontFormatData data)
        {
            var tag = ReadTag(data);

            switch (tag)
            {
            // An OpenType font containing CFF data.
            case TagOtto:
                throw new NotSupportedException("Currently tagged CFF data is not supported.");

            case TagTtcf:
                throw new NotSupportedException("True Type Collection fonts are not currently supported.");

            case TagTtfonly:
                throw new NotSupportedException("OpenType fonts containing a true type font are not currently supported.");

            default:
                data.Seek(0);
                break;
            }

            var header = ReadHeader(data);

            var fontNames = ReadStringIndex(data);

            var topLevelDictionaryIndex = CompactFontFormatIndexReader.ReadDictionaryData(data);

            var stringIndex = ReadStringIndex(data);

            var globalSubroutineIndex = CompactFontFormatIndexReader.ReadDictionaryData(data);

            var fonts = new Dictionary <string, CompactFontFormatFont>();

            var individualFontParser = new CompactFontFormatIndividualFontParser(new CompactFontFormatTopLevelDictionaryReader(), new CompactFontFormatPrivateDictionaryReader());

            for (var i = 0; i < fontNames.Length; i++)
            {
                var fontName = fontNames[i];

                fonts[fontName] = individualFontParser.Parse(data, fontName, topLevelDictionaryIndex[i], stringIndex, globalSubroutineIndex);
            }

            return(new CompactFontFormatFontCollection(header, fonts));
        }
示例#2
0
 public CompactFontFormatParser(CompactFontFormatIndividualFontParser individualFontParser, CompactFontFormatIndexReader indexReader)
 {
     this.individualFontParser = individualFontParser;
     this.indexReader          = indexReader;
 }