public void SetData(byte[] data)
{
//skip label and size
int index = 0;
PaletteChunk paletteChunk = new DefaultPaletteChunk();
while (index < data.Length)
{
string label = Encoding.ASCII.GetString(data, index, 2);
//case statement would work better here
if (label.Equals(ColorBitPlaneChunk.Label))
{
int size = BitConverter.ToInt16(data, index + 2);
byte[] chunkData = new byte[size + 4];
Array.Copy(data, index, chunkData, 0, chunkData.Length);
ColorBitPlaneChunk colorChunk = new ColorBitPlaneChunk();
colorChunk.Palette = paletteChunk;
colorChunk.SetData(chunkData);
Chunks.Add(colorChunk);
index += size + 4;
}
else if (label.Equals(ColorRectangleChunk.Label))
{
int size = BitConverter.ToInt16(data, index + 2);
byte[] chunkData = new byte[size + 4];
Array.Copy(data, index, chunkData, 0, chunkData.Length);
ColorRectangleChunk colorRectangleChunk = new ColorRectangleChunk();
colorRectangleChunk.Palette = paletteChunk;
colorRectangleChunk.SetData(chunkData);
Chunks.Add(colorRectangleChunk);
index += size + 4;
}
else if (label.Equals(MonoBitPlaneChunk.Label))
{
int size = BitConverter.ToInt16(data, index + 2);
byte[] chunkData = new byte[size + 4];
Array.Copy(data, index, chunkData, 0, chunkData.Length);
MonoBitPlaneChunk monoChunk = new MonoBitPlaneChunk();
monoChunk.Palette = paletteChunk;
monoChunk.SetData(chunkData);
Chunks.Add(monoChunk);
index += size + 4;
}
else if (label.Equals(TransparentBitPlaneChunk.Label))
{
int size = BitConverter.ToInt16(data, index + 2);
byte[] chunkData = new byte[size + 4];
Array.Copy(data, index, chunkData, 0, chunkData.Length);
TransparentBitPlaneChunk transparentChunk = new TransparentBitPlaneChunk();
transparentChunk.SetData(chunkData);
Chunks.Add(transparentChunk);
index += size + 4;
}
else if (label.Equals(MonoRectangleChunk.Label))
{
//must be background
MonoRectangleChunk chunk = new MonoRectangleChunk();
byte[] chunkData = new byte[11];
Array.Copy(data, index, chunkData, 0, chunkData.Length);
chunk.Palette = paletteChunk;
chunk.SetData(chunkData);
Chunks.Add(chunk);
index += chunkData.Length;
}
else if (label.Equals(TransparentRectangleChunk.Label))
{
//must be background
TransparentRectangleChunk chunk = new TransparentRectangleChunk();
byte[] chunkData = new byte[10];
Array.Copy(data, index, chunkData, 0, chunkData.Length);
chunk.SetData(chunkData);
Chunks.Add(chunk);
index += chunkData.Length;
}
else if (label.Equals(PaletteChunk.Label))
{
//must be background
PaletteChunk chunk = new PaletteChunk();
int count = (data[index + 2] + 1) * 3;
byte[] chunkData = new byte[count + 3];
Array.Copy(data, index, chunkData, 0, chunkData.Length);
chunk.SetData(chunkData);
Chunks.Add(chunk);
index += chunkData.Length;
paletteChunk = chunk;
}
else if (label.Equals(DefaultPaletteChunk.Label))
{
//must be background
DefaultPaletteChunk chunk = new DefaultPaletteChunk();
int count = (data[index + 2] + 1) * 3;
byte[] chunkData = new byte[count + 3];
Array.Copy(data, index, chunkData, 0, chunkData.Length);
chunk.SetData(chunkData);
Chunks.Add(chunk);
index += chunkData.Length;
paletteChunk = chunk;
}
else if (label.Equals(GrayBitPlaneChunk.Label))
{
int size = BitConverter.ToInt16(data, index + 2);
byte[] chunkData = new byte[size + 4];
Array.Copy(data, index, chunkData, 0, chunkData.Length);
GrayBitPlaneChunk chunk = new GrayBitPlaneChunk();
chunk.SetData(chunkData);
Chunks.Add(chunk);
index += size + 4;
}
else if (label.Equals(BlackWhiteBitPlaneChunk.Label))
{
int size = BitConverter.ToInt16(data, index + 2);
byte[] chunkData = new byte[size + 4];
Array.Copy(data, index, chunkData, 0, chunkData.Length);
BlackWhiteBitPlaneChunk chunk = new BlackWhiteBitPlaneChunk();
chunk.SetData(chunkData);
Chunks.Add(chunk);
index += size + 4;
}
else if (label.Equals(BackgroundChunk.Label))
{
//Console.WriteLine("default to background with label " + label);
//must be background
BackgroundChunk background = new BackgroundChunk();
background.Palette = paletteChunk;
byte[] chunkData = new byte[3];
Array.Copy(data, index, chunkData, 0, chunkData.Length);
background.SetData(chunkData);
Chunks.Add(background);
index += chunkData.Length;
}
else
{
Console.WriteLine("Invalid chunk label " + label);
Console.WriteLine("At " + index + " " + Chunks.Count);
if (Chunks.Last() != null)
{
Console.WriteLine("Last chunk was " + Chunks.Last().Origin.ToString());
}
return;
}
}
}
