public static Image GetImagePS3(byte[] data, byte[] extraData)
{
if (extraData != null && data.Length == 48)
{
try
{
MemoryStream ms = new MemoryStream(data);
BinaryReader br = new BinaryReader(ms);
byte compression = br.ReadByte();
byte[] unknown1 = br.ReadBytes(3);
CompressionType type = CompressionType.UNKNOWN;
if (compression == 0x85)
{
type = CompressionType.ARGB;
}
else if (compression == 0x86)
{
type = CompressionType.DXT1;
}
else if (compression == 0x88)
{
type = CompressionType.DXT5;
}
int unknown2 = Util.ReverseBytes(br.ReadInt32());
int width = Util.ReverseBytes(br.ReadInt16());
int height = Util.ReverseBytes(br.ReadInt16());
br.Close();
byte[] pixels = extraData;
if (type == CompressionType.DXT1)
{
pixels = ImageUtil.DecompressImage(pixels, width, height, DXTCompression.DXT1);
}
else if (type == CompressionType.DXT3)
{
pixels = ImageUtil.DecompressImage(pixels, width, height, DXTCompression.DXT3);
}
else if (type == CompressionType.DXT5)
{
pixels = ImageUtil.DecompressImage(pixels, width, height, DXTCompression.DXT5);
}
DirectBitmap bitmap = new DirectBitmap(width, height);
int index = 0;
for (int y = 0; y < height; y++)
{
for (int x = 0; x < width; x++)
{
byte red;
byte green;
byte blue;
byte alpha;
if (type == CompressionType.BGRA)
{
blue = pixels[index + 0];
green = pixels[index + 1];
red = pixels[index + 2];
alpha = pixels[index + 3];
}
else
{
alpha = pixels[index + 0];
red = pixels[index + 1];
green = pixels[index + 2];
blue = pixels[index + 3];
}
Color color = Color.FromArgb(alpha, red, green, blue);
bitmap.Bits[x + y * width] = color.ToArgb();
bitmap.SetPixel(x, y, color);
index += 4;
}
}
return(bitmap.Bitmap);
}
catch
{
return(null);
}
}
else
{
return(null);
}
}
public static ImageInfo SetImage(Image newImage, CompressionType compression)
{
int width = newImage.Width;
int height = newImage.Height;
byte[] header = null;
byte[] data = null;
if (compression == CompressionType.BGRA)
{
Bitmap image = new Bitmap(newImage);
MemoryStream mspixels = new MemoryStream();
for (int i = 0; i < height; i++)
{
for (int j = 0; j < width; j++)
{
Color pixel = image.GetPixel(j, i);
mspixels.WriteByte(pixel.B);
mspixels.WriteByte(pixel.G);
mspixels.WriteByte(pixel.R);
mspixels.WriteByte(pixel.A);
}
}
data = mspixels.ToArray();
MemoryStream msx = new MemoryStream();
BinaryWriter bw = new BinaryWriter(msx);
bw.Write((int)0);
bw.Write((int)0);
bw.Write((int)0);
bw.Write((int)1);
bw.Write((int)0x15);
bw.Write((short)width);
bw.Write((short)height);
bw.Write((int)0x15);
bw.Write((int)0);
bw.Flush();
header = msx.ToArray();
bw.Close();
}
else
{
DXTCompression dxt = DXTCompression.DXT1;
if (compression == CompressionType.DXT3)
{
dxt = DXTCompression.DXT1;
}
else if (compression == CompressionType.DXT5)
{
dxt = DXTCompression.DXT5;
}
data = ImageUtil.CompressImage(newImage, dxt);
MemoryStream msx = new MemoryStream();
BinaryWriter bw = new BinaryWriter(msx);
bw.Write((int)0);
bw.Write((int)0);
bw.Write((int)0);
bw.Write((int)1);
bw.Write(Encoding.ASCII.GetBytes(compression.ToString()));
bw.Write((short)width);
bw.Write((short)height);
bw.Write((int)0x15);
bw.Write((int)0);
bw.Flush();
header = msx.ToArray();
bw.Close();
}
return(new ImageInfo(header, data));
}
public static Image GetImage(byte[] data, byte[] extraData)
{
try
{
ImageHeader header = GetImageHeader(data);
byte[] pixels = extraData;
if (header.CompressionType == CompressionType.DXT1)
{
pixels = ImageUtil.DecompressImage(pixels, header.Width, header.Height, DXTCompression.DXT1);
}
else if (header.CompressionType == CompressionType.DXT3)
{
pixels = ImageUtil.DecompressImage(pixels, header.Width, header.Height, DXTCompression.DXT3);
}
else if (header.CompressionType == CompressionType.DXT5)
{
pixels = ImageUtil.DecompressImage(pixels, header.Width, header.Height, DXTCompression.DXT5);
}
DirectBitmap bitmap = new DirectBitmap(header.Width, header.Height);
int index = 0;
for (int y = 0; y < header.Height; y++)
{
for (int x = 0; x < header.Width; x++)
{
byte red;
byte green;
byte blue;
byte alpha;
if (header.CompressionType == CompressionType.BGRA)
{
blue = pixels[index + 0];
green = pixels[index + 1];
red = pixels[index + 2];
alpha = pixels[index + 3];
}
else if (header.CompressionType == CompressionType.RGBA)
{
red = pixels[index + 0];
green = pixels[index + 1];
blue = pixels[index + 2];
alpha = pixels[index + 3];
}
else
{
alpha = pixels[index + 0];
red = pixels[index + 1];
green = pixels[index + 2];
blue = pixels[index + 3];
}
Color color = Color.FromArgb(alpha, red, green, blue);
bitmap.Bits[x + y * header.Width] = color.ToArgb();
index += 4;
}
}
return(bitmap.Bitmap);
}
catch (Exception ex)
{
MessageBox.Show(ex.Message + "\r\n" + ex.StackTrace);
return(null);
}
}
