/// <summary>
/// Builds the appropriate chunk for the ID
/// </summary>
/// <returns></returns>
public static IFFChunk BuildIFFChunk(DjvuReader reader, DjvuDocument rootDocument, IFFChunk parent, ChunkTypes chunkType)
{
IFFChunk result = null;
if (chunkType == ChunkTypes.Form)
{
result = new FormChunk(reader, parent, rootDocument);
}
else if (chunkType == ChunkTypes.Form_Djvm)
{
result = new DjvmChunk(reader, parent, rootDocument);
}
else if (chunkType == ChunkTypes.Form_Djvu)
{
result = new DjvuChunk(reader, parent, rootDocument);
}
else if (chunkType == ChunkTypes.Form_Djvi)
{
result = new DjviChunk(reader, parent, rootDocument);
}
else if (chunkType == ChunkTypes.Form_Thum)
{
result = new ThumChunk(reader, parent, rootDocument);
}
else if (chunkType == ChunkTypes.Dirm)
{
result = new DirmChunk(reader, parent, rootDocument);
}
else if (chunkType == ChunkTypes.Navm)
{
result = new NavmChunk(reader, parent, rootDocument);
}
else if (chunkType == ChunkTypes.Anta)
{
result = new AntaChunk(reader, parent, rootDocument);
}
else if (chunkType == ChunkTypes.Antz)
{
result = new AntzChunk(reader, parent, rootDocument);
}
else if (chunkType == ChunkTypes.Txta)
{
result = new TxtaChunk(reader, parent, rootDocument);
}
else if (chunkType == ChunkTypes.Txtz)
{
result = new TxtzChunk(reader, parent, rootDocument);
}
else if (chunkType == ChunkTypes.Djbz)
{
result = new DjbzChunk(reader, parent, rootDocument);
}
else if (chunkType == ChunkTypes.Sjbz)
{
result = new SjbzChunk(reader, parent, rootDocument);
}
else if (chunkType == ChunkTypes.FG44)
{
result = new FG44Chunk(reader, parent, rootDocument);
}
else if (chunkType == ChunkTypes.BG44)
{
result = new BG44Chunk(reader, parent, rootDocument);
}
else if (chunkType == ChunkTypes.TH44)
{
result = new TH44Chunk(reader, parent, rootDocument);
}
else if (chunkType == ChunkTypes.WMRM)
{
result = new WmrmChunk(reader, parent, rootDocument);
}
else if (chunkType == ChunkTypes.FGbz)
{
result = new FGbzChunk(reader, parent, rootDocument);
}
else if (chunkType == ChunkTypes.Info)
{
result = new InfoChunk(reader, parent, rootDocument);
}
else if (chunkType == ChunkTypes.Incl)
{
result = new InclChunk(reader, parent, rootDocument);
}
else if (chunkType == ChunkTypes.BGjp)
{
result = new BGjpChunk(reader, parent, rootDocument);
}
else if (chunkType == ChunkTypes.FGjp)
{
result = new FGjpChunk(reader, parent, rootDocument);
}
else if (chunkType == ChunkTypes.Smmr)
{
result = new SmmrChunk(reader, parent, rootDocument);
}
else
{
result = new UnknownChunk(reader, parent, rootDocument);
}
//Console.WriteLine(result);
return(result);
}
/// <summary>
/// Gets a complete image for the page
/// </summary>
/// <returns></returns>
public System.Drawing.Bitmap BuildPageImage()
{
int subsample = 1;
if ( this.Info==null && Document.FormChunk.Children[0].ChunkID=="DJVU" && Document.FormChunk.Children[1] is InfoChunk )
this._info = (InfoChunk)Document.FormChunk.Children[1];
int width = Info.Width / subsample;
int height = Info.Height / subsample;
var map = GetMap(new GRect(0, 0, width, height), subsample, null);
if (map == null) return new Bitmap(Info.Width, Info.Height);
int[] pixels = new int[width * height];
map.FillRgbPixels(0, 0, width, height, pixels, 0, width);
var image = ConvertDataToImage(pixels);
if (IsInverted == true)
{
image = InvertImage(image);
}
return image;
}