// - Data Input -
// Description: Inputs compressed GIM data (And unpacks it to RGBA8888)
// Parameters:
// byte[] Compressed: Compressed Data to load
// Return Value: True if the data was properly loaded.
public bool SetCompressedData(byte[] Compressed)
{
if (Compressed == null)
{
throw new ArgumentException("SetCompressedData: Argument 1, 'Compressed', Can not be null.");
}
else
{
CompressedData = Compressed;
}
if (!IsMig()) throw new NotGimException("The file sent to SetCompressedData() is not a little endian GIM file.");
// Sometimes, the palette is stored after the image data
if (CompressedData[0x30] == 0x05)
{
// Palette is stored before the image data
GimPaletteOffset = 0x30;
GimDataOffset = 0x30 + BitConverter.ToInt32(CompressedData, 0x30 + 0x8);
}
else if (0x30 + BitConverter.ToInt32(CompressedData, 0x30 + 0x8) < CompressedData.Length && CompressedData[0x30 + BitConverter.ToInt32(CompressedData, 0x30 + 0x8)] == 0x05)
{
// Palette is stored after the image data
GimPaletteOffset = 0x30 + BitConverter.ToInt32(CompressedData, 0x30 + 0x8);
GimDataOffset = 0x30;
}
else
{
// No Palette
GimPaletteOffset = 0x00;
GimDataOffset = 0x30;
}
// Some files do not have a palette. Trying to get a palette will throw an exception.
if (GimPaletteOffset > 0x00)
{
// Get Palette Information
GimPaletteFormatCode = Compressed[GimPaletteOffset + 0x14];
GimPaletteColors = BitConverter.ToUInt16(Compressed, GimPaletteOffset + 0x18);
// Set up the palette decoder
try
{
GimPaletteDecoder = GimCodecs.GetPaletteCodec(GimPaletteFormatCode).Decode;
GimPaletteSize = GimPaletteColors * (GimPaletteDecoder.GetBpp() / 8);
}
catch (Exception e)
{
throw new GimCodecLoadingException("The codec for palette format 0x" + GimPaletteFormatCode.ToString("X") + " could not be loaded or does not exist.", e);
}
}
GimFileWidth = RoundUp(BitConverter.ToUInt16(Compressed, GimDataOffset + 0x18), 16);
GimFileHeight = RoundUp(BitConverter.ToUInt16(Compressed, GimDataOffset + 0x1A), 8);
GimDataFormatCode = Compressed[GimDataOffset + 0x14];
GimDataSwizzled = (BitConverter.ToUInt16(Compressed, GimDataOffset + 0x16) == 0x01);
// Set up and initalize the data decoder
try
{
GimDataDecoder = GimCodecs.GetDataCodec(GimDataFormatCode).Decode;
GimDataDecoder.Initalize(GimFileWidth, GimFileHeight, GimPaletteDecoder, GimPaletteColors);
}
catch (Exception e)
{
throw new GimCodecLoadingException("The codec for data format 0x" + GimDataFormatCode.ToString("X") + " could not be loaded or does not exist.", e);
}
// Decode palette and then start decoding the image
DecompressedData = new byte[GimFileWidth * GimFileHeight * 4];
GimDataDecoder.DecodePalette(ref CompressedData, GimPaletteOffset + 0x50);
if (GimDataSwizzled)
GimDataDecoder.UnSwizzle(ref CompressedData, GimDataOffset + 0x50);
GimDataDecoder.DecodeData(ref CompressedData, GimDataOffset + 0x50, ref DecompressedData);
return true;
}
// - Data Input -
// Description: Inputs compressed GIM data (And unpacks it to RGBA8888)
// Parameters:
// byte[] Compressed: Compressed Data to load
// Return Value: True if the data was properly loaded.
public bool SetCompressedData(byte[] Compressed)
{
if (Compressed == null)
{
throw new ArgumentException("SetCompressedData: Argument 1, 'Compressed', Can not be null.");
}
else
{
CompressedData = Compressed;
}
if (!IsMig())
{
throw new NotGimException("The file sent to SetCompressedData() is not a little endian GIM file.");
}
// Sometimes, the palette is stored after the image data
if (CompressedData[0x30] == 0x05)
{
// Palette is stored before the image data
GimPaletteOffset = 0x30;
GimDataOffset = 0x30 + BitConverter.ToInt32(CompressedData, 0x30 + 0x8);
}
else if (0x30 + BitConverter.ToInt32(CompressedData, 0x30 + 0x8) < CompressedData.Length && CompressedData[0x30 + BitConverter.ToInt32(CompressedData, 0x30 + 0x8)] == 0x05)
{
// Palette is stored after the image data
GimPaletteOffset = 0x30 + BitConverter.ToInt32(CompressedData, 0x30 + 0x8);
GimDataOffset = 0x30;
}
else
{
// No Palette
GimPaletteOffset = 0x00;
GimDataOffset = 0x30;
}
// Some files do not have a palette. Trying to get a palette will throw an exception.
if (GimPaletteOffset > 0x00)
{
// Get Palette Information
GimPaletteFormatCode = Compressed[GimPaletteOffset + 0x14];
GimPaletteColors = BitConverter.ToUInt16(Compressed, GimPaletteOffset + 0x18);
// Set up the palette decoder
try
{
GimPaletteDecoder = GimCodecs.GetPaletteCodec(GimPaletteFormatCode).Decode;
GimPaletteSize = GimPaletteColors * (GimPaletteDecoder.GetBpp() / 8);
}
catch (Exception e)
{
throw new GimCodecLoadingException("The codec for palette format 0x" + GimPaletteFormatCode.ToString("X") + " could not be loaded or does not exist.", e);
}
}
GimFileWidth = RoundUp(BitConverter.ToUInt16(Compressed, GimDataOffset + 0x18), 16);
GimFileHeight = RoundUp(BitConverter.ToUInt16(Compressed, GimDataOffset + 0x1A), 8);
GimDataFormatCode = Compressed[GimDataOffset + 0x14];
GimDataSwizzled = (BitConverter.ToUInt16(Compressed, GimDataOffset + 0x16) == 0x01);
// Set up and initalize the data decoder
try
{
GimDataDecoder = GimCodecs.GetDataCodec(GimDataFormatCode).Decode;
GimDataDecoder.Initalize(GimFileWidth, GimFileHeight, GimPaletteDecoder, GimPaletteColors);
}
catch (Exception e)
{
throw new GimCodecLoadingException("The codec for data format 0x" + GimDataFormatCode.ToString("X") + " could not be loaded or does not exist.", e);
}
// Decode palette and then start decoding the image
DecompressedData = new byte[GimFileWidth * GimFileHeight * 4];
GimDataDecoder.DecodePalette(ref CompressedData, GimPaletteOffset + 0x50);
if (GimDataSwizzled)
{
GimDataDecoder.UnSwizzle(ref CompressedData, GimDataOffset + 0x50);
}
GimDataDecoder.DecodeData(ref CompressedData, GimDataOffset + 0x50, ref DecompressedData);
return(true);
}