44 lines
1.5 KiB
C#
44 lines
1.5 KiB
C#
using System.Collections.Generic;
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using System.Drawing;
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using System.IO;
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using FwFonts.Models;
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using NLog;
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namespace FwFonts
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{
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public class Reader
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{
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private static readonly Logger Logger = LogManager.GetCurrentClassLogger();
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private readonly BinaryReader _binaryReader;
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private readonly Stream _stream;
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public Reader(Stream stream)
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{
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_stream = stream;
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_binaryReader = new BinaryReader(_stream);
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}
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public Dictionary<char, Bitmap> ReadBlock(BlockDescriptor block)
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{
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_stream.Seek(block.GlyphsFileOffset, SeekOrigin.Begin);
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Logger.Trace("Reading block of symbols from '{0}' to '{1}' images...", block.StartSymbol, block.EndSymbol);
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var glyphs = new List<GlyphDescriptor>(block.EndSymbol - block.StartSymbol);
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for (var currentChar = block.StartSymbol; currentChar <= block.EndSymbol; currentChar++)
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{
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Logger.Trace("Reading descriptor of symbol '{0}'...", currentChar);
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glyphs.Add(GlyphDescriptor.ReadFrom(_binaryReader, currentChar));
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}
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var images = new Dictionary<char, Bitmap>(glyphs.Count);
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foreach (var glyphDescriptor in glyphs)
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{
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Logger.Debug("Reading image of symbol '{0}'...", glyphDescriptor.Symbol);
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images[glyphDescriptor.Symbol] = new GlyphReader(_stream).Read(glyphDescriptor);
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}
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return images;
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}
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}
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} |