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Switch-Toolbox/Switch_Toolbox_Library/FileFormats/ASTC.cs
2020-01-14 19:19:02 -05:00

217 lines
7.9 KiB
C#

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Windows.Forms;
using Toolbox.Library.IO;
using Toolbox.Library.Forms;
using System.Drawing;
namespace Toolbox.Library
{
public class ASTC : STGenericTexture, IEditor<ImageEditorBase>, IFileFormat
{
public FileType FileType { get; set; } = FileType.Image;
public override TEX_FORMAT[] SupportedFormats
{
get
{
return new TEX_FORMAT[] {
TEX_FORMAT.ASTC_10x10_SRGB,
TEX_FORMAT.ASTC_10x10_UNORM,
TEX_FORMAT.ASTC_10x5_SRGB,
TEX_FORMAT.ASTC_10x5_UNORM,
TEX_FORMAT.ASTC_10x6_SRGB,
TEX_FORMAT.ASTC_10x6_UNORM,
TEX_FORMAT.ASTC_10x8_SRGB,
TEX_FORMAT.ASTC_10x8_UNORM,
TEX_FORMAT.ASTC_12x10_SRGB,
TEX_FORMAT.ASTC_12x10_UNORM,
TEX_FORMAT.ASTC_12x12_SRGB,
TEX_FORMAT.ASTC_12x12_UNORM,
TEX_FORMAT.ASTC_4x4_SRGB,
TEX_FORMAT.ASTC_4x4_UNORM,
TEX_FORMAT.ASTC_5x4_SRGB,
TEX_FORMAT.ASTC_5x4_UNORM,
TEX_FORMAT.ASTC_5x5_SRGB,
TEX_FORMAT.ASTC_5x5_UNORM,
TEX_FORMAT.ASTC_6x5_SRGB,
TEX_FORMAT.ASTC_6x5_UNORM,
TEX_FORMAT.ASTC_6x6_SRGB,
TEX_FORMAT.ASTC_6x6_UNORM,
TEX_FORMAT.ASTC_8x5_SRGB,
TEX_FORMAT.ASTC_8x5_UNORM,
TEX_FORMAT.ASTC_8x6_SRGB,
TEX_FORMAT.ASTC_8x6_UNORM,
TEX_FORMAT.ASTC_8x8_SRGB,
TEX_FORMAT.ASTC_8x8_UNORM,
};
}
}
const int MagicFileConstant = 0x5CA1AB13;
public override bool CanEdit { get; set; } = false;
public bool CanSave { get; set; }
public string[] Description { get; set; } = new string[] { "Adaptive Scalable Texture" };
public string[] Extension { get; set; } = new string[] { "*.astc" };
public string FileName { get; set; }
public string FilePath { get; set; }
public IFileInfo IFileInfo { get; set; }
public bool Identify(System.IO.Stream stream)
{
using (var reader = new Toolbox.Library.IO.FileReader(stream, true))
{
return reader.ReadInt32() == MagicFileConstant;
}
}
public Type[] Types
{
get
{
List<Type> types = new List<Type>();
return types.ToArray();
}
}
public ImageEditorBase OpenForm()
{
bool IsDialog = IFileInfo != null && IFileInfo.InArchive;
ImageEditorBase form = new ImageEditorBase();
form.Text = Text;
form.Dock = DockStyle.Fill;
form.LoadImage(this);
form.LoadProperties(GenericProperties);
return form;
}
public void FillEditor(UserControl control)
{
((ImageEditorBase)control).LoadImage(this);
((ImageEditorBase)control).LoadProperties(GenericProperties);
}
//https://github.com/ARM-software/astc-encoder/blob/a47b80f081f10c43d96bd10bcb713c71708041b9/Source/astc_toplevel.cpp
public byte[] magic;
public byte BlockDimX;
public byte BlockDimY;
public byte BlockDimZ;
public byte[] xsize;
public byte[] ysize;
public byte[] zsize;
public byte[] DataBlock;
public void Load(System.IO.Stream stream)
{
using (FileReader reader = new FileReader(stream))
{
reader.ByteOrder = Syroot.BinaryData.ByteOrder.LittleEndian;
magic = reader.ReadBytes(4);
uint magicval = magic[0] + 256 * (uint)(magic[1]) + 65536 * (uint)(magic[2]) + 16777216 * (uint)(magic[3]);
if (magicval != MagicFileConstant)
throw new Exception("Invalid identifier");
BlockDimX = reader.ReadByte();
BlockDimY = reader.ReadByte();
BlockDimZ = reader.ReadByte();
xsize = reader.ReadBytes(3);
ysize = reader.ReadBytes(3);
zsize = reader.ReadBytes(3);
Width = (uint)(xsize[0] + 256 * xsize[1] + 65536 * xsize[2]);
Height = (uint)(ysize[0] + 256 * ysize[1] + 65536 * ysize[2]);
Depth = (uint)(zsize[0] + 256 * zsize[1] + 65536 * zsize[2]);
reader.Seek(0x10, System.IO.SeekOrigin.Begin);
DataBlock = reader.ReadBytes((int)(reader.BaseStream.Length - reader.Position));
Console.WriteLine(Width);
Console.WriteLine(Height);
Console.WriteLine(Depth);
if (BlockDimX == 4 && BlockDimY == 4)
Format = TEX_FORMAT.ASTC_4x4_UNORM;
else if (BlockDimX == 5 && BlockDimY == 4)
Format = TEX_FORMAT.ASTC_5x4_UNORM;
else if (BlockDimX == 5 && BlockDimY == 5)
Format = TEX_FORMAT.ASTC_5x5_UNORM;
else if (BlockDimX == 6 && BlockDimY == 5)
Format = TEX_FORMAT.ASTC_6x5_UNORM;
else if (BlockDimX == 6 && BlockDimY == 6)
Format = TEX_FORMAT.ASTC_6x6_UNORM;
else if (BlockDimX == 8 && BlockDimY == 5)
Format = TEX_FORMAT.ASTC_8x5_UNORM;
else if (BlockDimX == 8 && BlockDimY == 6)
Format = TEX_FORMAT.ASTC_8x6_UNORM;
else if (BlockDimX == 8 && BlockDimY == 8)
Format = TEX_FORMAT.ASTC_8x8_UNORM;
else if (BlockDimX == 10 && BlockDimY == 10)
Format = TEX_FORMAT.ASTC_10x10_UNORM;
else if (BlockDimX == 10 && BlockDimY == 5)
Format = TEX_FORMAT.ASTC_10x5_UNORM;
else if (BlockDimX == 10 && BlockDimY == 6)
Format = TEX_FORMAT.ASTC_10x6_UNORM;
else if (BlockDimX == 10 && BlockDimY == 8)
Format = TEX_FORMAT.ASTC_10x8_UNORM;
else
throw new Exception($"Unsupported block dims! ({BlockDimX} x {BlockDimY})");
}
stream.Dispose();
stream.Close();
}
public void Unload()
{
}
public void Save(System.IO.Stream stream)
{
using (FileWriter writer = new FileWriter(stream, true))
{
if (Depth == 0)
Depth = 1;
writer.ByteOrder = Syroot.BinaryData.ByteOrder.LittleEndian;
writer.Write(MagicFileConstant);
writer.Write(BlockDimX);
writer.Write(BlockDimY);
writer.Write(BlockDimZ);
writer.Write(IntTo3Bytes((int)Width));
writer.Write(IntTo3Bytes((int)Height));
writer.Write(IntTo3Bytes((int)Depth));
writer.Write(DataBlock);
writer.Close();
writer.Dispose();
}
}
private static byte[] IntTo3Bytes(int value)
{
byte[] newValue = new byte[3];
newValue[0] = (byte)(value & 0xFF);
newValue[1] = (byte)((value >> 8) & 0xFF);
newValue[2] = (byte)((value >> 16) & 0xFF);
return newValue;
}
public override void SetImageData(Bitmap bitmap, int ArrayLevel)
{
throw new NotImplementedException("Cannot set image data! Operation not implemented!");
}
public override byte[] GetImageData(int ArrayLevel = 0, int MipLevel = 0, int DepthLevel = 0)
{
return DataBlock;
}
}
}