/// <summary>
///
/// </summary>
/// <param name="output"></param>
public void Save(Stream output)
{
using (var bw = new BinaryWriterX(output, true))
{
// Updates
Header.Width = (short)Texture.Width;
Header.Height = (short)Texture.Height;
// Header
bw.WriteType(Header);
bw.WriteAlignment();
bw.WriteString(FileName, Encoding.ASCII, false);
bw.WriteAlignment();
// Setup
if (Header.Format == ImageFormat.Palette_8)
{
var settings = new PaletteImageSettings(Formats[ImageFormat.RGBA8888], PaletteFormats[ImageFormat.Palette_8], Header.Width, Header.Height);
var data = Common.Save(Texture, Palette, settings);
bw.Write(data.indexData);
bw.Write(data.paletteData);
}
else
{
var settings = new ImageSettings(Formats[ImageFormat.RGBA8888], Header.Width, Header.Height);
var data = Common.Save(Texture, settings);
bw.Write(data);
}
}
}
/// <summary>
///
/// </summary>
/// <param name="input"></param>
public GXT(Stream input)
{
using (var br = new BinaryReaderX(input, true))
{
// Header
Header = br.ReadType <FileHeader>();
// Setup
var paletteDataLength = 256 * 4;
// Image
var texture = br.ReadBytes(Header.ImageDataSize);
// Palette
var palette = br.ReadBytes(paletteDataLength);
var settings = new PaletteImageSettings(Formats[ImageFormat.RGBA8888], PaletteFormats[ImageFormat.Palette_8], Header.Width, Header.Height);
var data = Common.Load(texture, palette, settings);
Texture = data.image;
Palette = data.palette;
FormatName = PaletteFormats[ImageFormat.Palette_8].FormatName;
//if (Header.Format == ImageFormat.Palette_8)
//{
//}
//else
//{
// var settings = new ImageSettings(Formats[ImageFormat.RGBA8888], Header.Width, Header.Height);
// Texture = Common.Load(texture, settings);
// FormatName = Formats[ImageFormat.RGBA8888].FormatName;
//}
}
}
/// <summary>
///
/// </summary>
/// <param name="input"></param>
public BTX(Stream input)
{
using (var br = new BinaryReaderX(input, true))
{
// Header
Header = br.ReadType <FileHeader>();
br.SeekAlignment();
FileName = br.ReadCStringASCII();
// Setup
var dataLength = Header.Width * Header.Height;
var paletteDataLength = Header.ColorCount * 4;
// Image
br.BaseStream.Position = Header.ImageOffset;
var texture = br.ReadBytes(dataLength);
// Palette
if (Header.Format == ImageFormat.Palette_8)
{
br.BaseStream.Position = Header.PaletteOffset;
var palette = br.ReadBytes(paletteDataLength);
var settings = new PaletteImageSettings(Formats[ImageFormat.RGBA8888], PaletteFormats[ImageFormat.Palette_8], Header.Width, Header.Height);
var data = Common.Load(texture, palette, settings);
Texture = data.image;
Palette = data.palette;
FormatName = PaletteFormats[ImageFormat.Palette_8].FormatName;
}
else
{
var settings = new ImageSettings(Formats[ImageFormat.RGBA8888], Header.Width, Header.Height);
Texture = Common.Load(texture, settings);
FormatName = Formats[ImageFormat.RGBA8888].FormatName;
}
}
}
/// <summary>
/// Converts a given Bitmap, modified by given settings, in binary data
/// </summary>
/// <param name="bmp">The bitmap, which will be converted.</param>
/// <param name="palette">The list containing all colors of the palette to use.</param>
/// <param name="settings">The settings determining the final binary data output.</param>
/// <returns><see cref="Tuple"/> containing 2 byte arrays</returns>
public static (byte[] indexData, byte[] paletteData) Save(Bitmap bmp, IList <Color> palette, PaletteImageSettings settings)
{
var indeces = new List <IndexData>();
var points = GetPointSequence(settings); // Swizzle
foreach (var point in points)
{
var x = Clamp(point.X, 0, bmp.Width);
var y = Clamp(point.Y, 0, bmp.Height);
var color = bmp.GetPixel(x, y);
var index = settings.PaletteFormat.RetrieveIndex(color, palette);
indeces.Add(index);
}
return(settings.PaletteFormat.SaveIndices(indeces), settings.Format.Save(palette));
}
/// <summary>
/// Loads the binary data with given settings as an image.
/// </summary>
/// <param name="bytes">Bytearray containing the binary image data.</param>
/// <param name="paletteBytes">Bytearray containing the binary palette data.</param>
/// <param name="settings">The settings determining the final image output.</param>
/// <returns>Bitmap</returns>
public static (Bitmap image, IList <Color> palette) Load(byte[] bytes, byte[] paletteBytes, PaletteImageSettings settings)
{
int width = settings.Width, height = settings.Height;
var paletteFormat = settings.PaletteFormat;
var points = GetPointSequence(settings);
var indeces = paletteFormat.LoadIndeces(bytes);
var palette = settings.Format.Load(paletteBytes).ToList();
var bmp = new Bitmap(width, height);
var data = bmp.LockBits(new Rectangle(0, 0, width, height), ImageLockMode.WriteOnly, PixelFormat.Format32bppArgb);
unsafe
{
var imagePtr = (int *)data.Scan0;
if (imagePtr == null)
{
throw new ArgumentNullException(nameof(imagePtr));
}
foreach (var(point, indexData) in points.Zip(indeces, Tuple.Create))
{
int x = point.X, y = point.Y;
if (0 > x || x >= width || 0 > y || y >= height)
{
continue;
}
imagePtr[data.Stride * y / 4 + x] = paletteFormat.RetrieveColor(indexData, palette).ToArgb();
}
}
bmp.UnlockBits(data);
return(bmp, palette);
}
