public void OpenPNG(string filename)
{
pictureBox1.Image = new Bitmap(filename);
if (formatSelector.SelectedIndex < 0)
{
formatSelector.SelectedIndex = 0x0D;
}
if (formatSelector.SelectedIndex == 0x0C)
{
pictureBox1.Image = Pixel.decodeETC(Pixel.encodeETC(new Bitmap(pictureBox1.Image)), pictureBox1.Image.Width, pictureBox1.Image.Height);
}
if (formatSelector.SelectedIndex == 0x0D)
{
pictureBox1.Image = Pixel.decodeAlpha(Pixel.encodeETCa4(new Bitmap(pictureBox1.Image)), pictureBox1.Image.Width, pictureBox1.Image.Height);
}
nameBox.Text = Path.GetFileNameWithoutExtension(filename);
label3.Text = "Width: " + pictureBox1.Image.Width;
label4.Text = "Height: " + pictureBox1.Image.Height;
}
public void OpenTEX(string fname)
{
FileData d = new FileData(fname);
d.Endian = System.IO.Endianness.Little;
int width = d.readInt();
int height = d.readInt();
int type = d.readByte();
int dunno = d.readByte();
d.skip(2); // padding
string name = "";
int i = d.readByte();
while (i != 0x00)
{
name += (char)i;
i = d.readByte();
}
if (type > 0xD || type < 0)
{
return;
}
nameBox.Text = name;
formatSelector.SelectedIndex = type;
label3.Text = "Width: " + width;
label4.Text = "Height: " + height;
byte[] data = d.getSection(0x80, d.size() - 0x80);
pictureBox1.Image = Pixel.decodeAlpha(data, width, height);
pictureBox1.Image.RotateFlip(RotateFlipType.RotateNoneFlipY);
}
public static Bitmap DecodeImage(byte[] data, int width, int height, Tex_Formats type)
{
if (type == Tex_Formats.ETC1)
{
return(Pixel.decodeETC(data, width, height));
}
if (type == Tex_Formats.ETC1a4)
{
return(Pixel.decodeAlpha(data, width, height));
}
Bitmap bmp = new Bitmap(width, height, PixelFormat.Format32bppArgb);
int[] pixels = new int[width * height];
int p = 0;
for (int h = 0; h < height; h += 8)
{
for (int w = 0; w < width; w += 8)
{
// 8x8 block
int[] colors = new int[64];
for (int i = 0; i < 64; i++)
{
switch (type)
{
case Tex_Formats.RGBA8: colors[i] = decode8888(data[p++], data[p++], data[p++], data[p++]); break;
case Tex_Formats.RGB8: colors[i] = decode888(data[p++], data[p++], data[p++]); break;
case Tex_Formats.RGBA5551: colors[i] = decode5551(data[p++], data[p++]); break;
case Tex_Formats.RGB565: colors[i] = decode565(data[p++], data[p++]); break;
case Tex_Formats.RGBA4444: colors[i] = decode4444(data[p++], data[p++]); break;
case Tex_Formats.LA8: colors[i] = decodeLA8(data[p++], data[p++]); break;
case Tex_Formats.HILO8: colors[i] = decodeHILO8(data[p++], data[p++]); break;
case Tex_Formats.L8: colors[i] = decodeL8(data[p++]); break;
case Tex_Formats.A8: colors[i] = decodeA8(data[p++]); break;
case Tex_Formats.LA4: colors[i] = decodeLA4(data[p++]); break;
case Tex_Formats.L4:
{
colors[i++] = decodeL8((data[p] & 0xF) | ((data[p] & 0xF) << 4));
colors[i] = decodeL8((data[p] & 0xF0) | ((data[p] & 0xF0) >> 4));
p++;
break;
}
case Tex_Formats.A4:
{
colors[i++] = decodeA8((data[p] & 0xF) | ((data[p] & 0xF) << 4));
colors[i] = decodeA8((data[p] & 0xF0) | ((data[p] & 0xF0) >> 4));
p++;
break;
}
default: throw new Exception("Unsuppored format " + type.ToString("x"));
}
}
for (int bh = 0; bh < 8; bh++)
{
for (int bw = 0; bw < 8; bw++)
{
pixels[((w + bw) + (h + bh) * width)] = colors[calcZOrder(bw, bh)];
}
}
}
}
BitmapData bmpData = bmp.LockBits(new Rectangle(0, 0, bmp.Width, bmp.Height), ImageLockMode.WriteOnly, bmp.PixelFormat);
Marshal.Copy(pixels, 0, bmpData.Scan0, pixels.Length);
bmp.UnlockBits(bmpData);
return(bmp);
}