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Yukai Li 2021-02-16 01:04:29 -07:00
commit 0f86b0434b
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LibDgf/Txm/TxmHeader.cs Normal file
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using System;
using System.Collections.Generic;
using System.IO;
using System.Text;
namespace LibDgf.Txm
{
public class TxmHeader
{
public TxmPixelFormat ImageSourcePixelFormat { get; set; }
public TxmPixelFormat ImageVideoPixelFormat { get; set; }
public short ImageWidth { get; set; }
public short ImageHeight { get; set; }
public short ImageBufferBase { get; set; }
public TxmPixelFormat ClutPixelFormat { get; set; }
public byte Misc { get; set; } // 0x0f = level, 0x70 = count, 0x80 = fast count
public short ClutWidth { get; set; }
public short ClutHeight { get; set; }
public short ClutBufferBase { get; set; }
public void Read(BinaryReader br)
{
ImageSourcePixelFormat = (TxmPixelFormat)br.ReadByte();
ImageVideoPixelFormat = (TxmPixelFormat)br.ReadByte();
ImageWidth = br.ReadInt16();
ImageHeight = br.ReadInt16();
ImageBufferBase = br.ReadInt16();
ClutPixelFormat = (TxmPixelFormat)br.ReadByte();
Misc = br.ReadByte();
ClutWidth = br.ReadInt16();
ClutHeight = br.ReadInt16();
ClutBufferBase = br.ReadInt16();
}
public void Write(BinaryWriter bw)
{
bw.Write((byte)ImageSourcePixelFormat);
bw.Write((byte)ImageVideoPixelFormat);
bw.Write(ImageWidth);
bw.Write(ImageHeight);
bw.Write(ImageBufferBase);
bw.Write((byte)ClutPixelFormat);
bw.Write(Misc);
bw.Write(ClutWidth);
bw.Write(ClutHeight);
bw.Write(ClutBufferBase);
}
public int GetImageByteSize()
{
return GetImageMemSize(ImageSourcePixelFormat, ImageWidth, ImageHeight);
}
public int GetClutByteSize()
{
return GetImageMemSize(ClutPixelFormat, ClutWidth, ClutHeight);
}
int GetImageMemSize(TxmPixelFormat format, int width, int height)
{
switch (format)
{
case TxmPixelFormat.PSMT4:
return width * height / 2;
case TxmPixelFormat.PSMT8:
return width * height;
case TxmPixelFormat.PSMCT32:
return width * height * 4;
default:
return 0;
}
}
public override string ToString()
{
return $"{ImageSourcePixelFormat} {ImageVideoPixelFormat} {ImageWidth}x{ImageHeight} {ImageBufferBase:x4} " +
$"{ClutPixelFormat} {Misc:x2} {ClutWidth}x{ClutHeight} {ClutBufferBase:x4}";
}
}
}