public Bitmap GenerateBitmap()
{
Reader.BaseStream.Position = DataOffset;
switch (Format)
{
case VTexFormat.RGBA8888:
for (ushort i = 0; i < Depth && i < 0xFF; ++i)
{
// Horribly skip all mipmaps
// TODO: Either this needs to be optimized, or allow saving each individual mipmap
for (var j = NumMipLevels; j > 0; j--)
{
if (j == 1)
{
break;
}
for (var k = 0; k < Height / Math.Pow(2.0, j - 1); ++k)
{
Reader.BaseStream.Position += (int)((4 * Width) / Math.Pow(2.0f, j - 1));
}
}
return(ReadRGBA8888(Reader, Width, Height));
}
break;
case VTexFormat.RGBA16161616F:
return(ReadRGBA16161616F(Reader, Width, Height));
case VTexFormat.DXT1:
for (ushort i = 0; i < Depth && i < 0xFF; ++i)
{
// Horribly skip all mipmaps
// TODO: Either this needs to be optimized, or allow saving each individual mipmap
for (var j = NumMipLevels; j > 0; j--)
{
if (j == 1)
{
break;
}
for (var k = 0; k < Height / Math.Pow(2.0, j + 1); ++k)
{
for (var l = 0; l < Width / Math.Pow(2.0, j + 1); ++l)
{
Reader.BaseStream.Position += 8;
}
}
}
return(DDSImage.UncompressDXT1(Reader, Width, Height));
}
break;
case VTexFormat.DXT5:
var yCoCg = false;
if (Resource.EditInfo.Structs.ContainsKey(ResourceEditInfo.REDIStruct.SpecialDependencies))
{
var specialDeps = (SpecialDependencies)Resource.EditInfo.Structs[ResourceEditInfo.REDIStruct.SpecialDependencies];
foreach (var dependancy in specialDeps.List)
{
if (dependancy.CompilerIdentifier == "CompileTexture" && dependancy.String == "Texture Compiler Version Image YCoCg Conversion")
{
yCoCg = true;
break;
}
}
}
for (ushort i = 0; i < Depth && i < 0xFF; ++i)
{
// Horribly skip all mipmaps
// TODO: Either this needs to be optimized, or allow saving each individual mipmap
for (var j = NumMipLevels; j > 0; j--)
{
if (j == 1)
{
break;
}
for (var k = 0; k < Height / Math.Pow(2.0, j + 1); ++k)
{
for (var l = 0; l < Width / Math.Pow(2.0, j + 1); ++l)
{
Reader.BaseStream.Position += 16;
}
}
}
return(DDSImage.UncompressDXT5(Reader, Width, Height, yCoCg));
}
break;
case (VTexFormat)17:
case (VTexFormat)18:
case VTexFormat.PNG:
return(ReadPNG());
}
throw new NotImplementedException(string.Format("Unhandled image type: {0}", Format));
}
