internal static byte[] GetPixelData(Bitmap img, int format, bool rectangle = true)
{
int w = img.Width;
int h = img.Height;
bool perfect = w == h && (w != 0) && ((w & (w - 1)) == 0);
if (!perfect) // Check if square power of two, else resize
{
// Square Format Checks
if (rectangle && Math.Min(img.Width, img.Height) < 32)
{
w = Bclim.Nlpo2(img.Width);
h = Bclim.Nlpo2(img.Height);
}
else
{
w = h = Math.Max(Bclim.Nlpo2(w), Bclim.Nlpo2(h)); // else resize
}
}
using (MemoryStream mz = new MemoryStream())
using (BinaryWriter bz = new BinaryWriter(mz))
{
int p = Bclim.Gcm(w, 8) / 8;
if (p == 0)
{
p = 1;
}
for (uint i = 0; i < w * h; i++)
{
Bclim.D2Xy(i % 64, out uint x, out uint y);
// Get Shift Tile
uint tile = i / 64;
// Shift Tile Coordinate into Tilemap
x += (uint)(tile % p) * 8;
y += (uint)(tile / p) * 8;
// Don't write data
Color c;
if (x >= img.Width || y >= img.Height)
{
c = Color.FromArgb(0, 0, 0, 0);
}
else
{
c = img.GetPixel((int)x, (int)y);
if (c.A == 0)
{
c = Color.FromArgb(0, 86, 86, 86);
}
}
switch (format)
{
case 0:
bz.Write(Bclim.GetL8(c));
break; // L8
case 1:
bz.Write(Bclim.GetA8(c));
break; // A8
case 2:
bz.Write(Bclim.GetLA4(c));
break; // LA4(4)
case 3:
bz.Write(Bclim.GetLA8(c));
break; // LA8(8)
case 4:
bz.Write(Bclim.GetHilo8(c));
break; // HILO8
case 5:
bz.Write(Bclim.GetRgb565(c));
break; // RGB565
case 6:
{
bz.Write(c.B);
bz.Write(c.G);
bz.Write(c.R);
break;
}
case 7:
bz.Write(Bclim.GetRgba5551(c));
break; // RGBA5551
case 8:
bz.Write(Bclim.GetRgba4444(c));
break; // RGBA4444
case 9:
bz.Write(Bclim.GetRgba8888(c));
break; // RGBA8
case 10: throw new Exception("ETC1 not supported.");
case 11: throw new Exception("ETC1A4 not supported.");
case 12:
{
byte val = (byte)(Bclim.GetL8(c) / 0x11); // First Pix // L4
{
c = img.GetPixel((int)x, (int)y);
if (c.A == 0)
{
c = Color.FromArgb(0, 0, 0, 0);
}
}
val |= (byte)((Bclim.GetL8(c) / 0x11) << 4);
i++;
bz.Write(val);
break;
}
case 13:
{
byte val = (byte)(Bclim.GetA8(c) / 0x11); // First Pix // L4
{
c = img.GetPixel((int)x, (int)y);
}
val |= (byte)((Bclim.GetA8(c) / 0x11) << 4);
i++;
bz.Write(val);
break;
}
}
}
if (!perfect)
{
while (mz.Length < Bclim.Nlpo2((int)mz.Length)) // pad
{
bz.Write((byte)0);
}
}
return(mz.ToArray());
}
}
