public void convert_4x4texel_b(byte[] tex, int width, int height, byte[] data, Color[] pal, ImageTexeler.LockBitmap rgbaOut)
{
var list1 = new List <uint>();
for (int i = 0; i < (tex.Length + 1) / 4; ++i)
{
list1.Add(LibNDSFormats.Utils.Read4BytesAsUInt32(tex, i * 4));
}
var list2 = new List <UInt16>();
for (int i = 0; i < (data.Length + 1) / 2; ++i)
{
list2.Add(LibNDSFormats.Utils.Read2BytesAsUInt16(data, i * 2));
}
var b = convert_4x4texel(list1.ToArray(), width, height, list2.ToArray(), pal, rgbaOut);
}
public ImageIndexer(List <Bitmap> bl, int paletteCount, bool useAlpha, int transpCol)
{
this.bl = bl;
this.paletteCount = paletteCount;
this.useAlpha = useAlpha;
boxColorCount = bl.Count * 3;
//COMPUTE FREQUENCY TABLE
freqTable = new Dictionary <MultiColor, int>();
//Quick check just in case...
width = bl[0].Width;
height = bl[0].Height;
foreach (Bitmap b in bl)
{
if (b.Width != width || b.Height != height)
{
throw new Exception("Not all images have the same size!!");
}
}
for (int x = 0; x < width; x++)
{
for (int y = 0; y < height; y++)
{
MultiColor c = new MultiColor(boxColorCount);
for (int i = 0; i < bl.Count; i++)
{
NSMBe4.NSBMD.ImageTexeler.LockBitmap iii = new NSBMD.ImageTexeler.LockBitmap(bl[i]);
iii.LockBits();
c.setColor(i, iii.GetPixel(x, y));
iii.UnlockBits();
}
c.calcHash();
if (!c.allTransparent())
{
if (freqTable.ContainsKey(c))
{
freqTable[c]++;
}
else
{
freqTable[c] = 1;
}
}
}
}
int ct = 0;
foreach (MultiColor c in freqTable.Keys)
{
if (c.someTransparent())
{
ct++;
}
}
Console.Out.WriteLine("Transparent: " + ct);
Dictionary <MultiColor, int> newFreqTable = new Dictionary <MultiColor, int>();
foreach (MultiColor c in freqTable.Keys)
{
if (!c.deleteFlag)
{
int cnt = freqTable[c];
foreach (MultiColor c2 in freqTable.Keys)
{
if (c2 == null)
{
continue;
}
if (c2.deleteFlag)
{
continue;
}
if (c2 == c)
{
continue;
}
if (c.diff(c2) == 0)
{
cnt += freqTable[c2];
c.merge(c2);
c2.deleteFlag = true;
}
}
c.deleteFlag = true;
c.removeAllTransparent();
newFreqTable.Add(c, cnt);
}
}
freqTable = newFreqTable;
ct = 0;
foreach (MultiColor c in freqTable.Keys)
{
if (c.someTransparent())
{
ct++;
}
}
Console.Out.WriteLine("Transparent2: " + ct);
// NOW CREATE THE PALETTE ZONES
Box startBox = shrinkBox(new Box(boxColorCount));
boxes = new List <Box>();
boxes.Add(startBox);
while (boxes.Count < (useAlpha ? paletteCount - 1 : paletteCount))
{
Console.Out.WriteLine(boxes.Count);
Box bo = getDominantBox();
if (bo == null)
{
break;
}
split(bo);
}
multiPalette = new MultiColor[paletteCount];
for (int j = useAlpha ? 1 : 0; j < paletteCount; j++)
{
if ((useAlpha ? j : j + 1) <= boxes.Count)
{
multiPalette[j] = boxes[useAlpha ? j - 1 : j].center();
}
}
//NOW CREATE THE PALETTE COLORS
palettes = new Color[bl.Count][];
for (int i = 0; i < bl.Count; i++)
{
palettes[i] = new Color[paletteCount];
for (int j = useAlpha ? 1 : 0; j < paletteCount; j++)
{
if ((useAlpha ? j : j + 1) > boxes.Count)
{
palettes[i][j] = palettes[i][j - 1];//Color.Fuchsia;
}
else
{
palettes[i][j] = boxes[useAlpha ? j - 1 : j].center().getColor(i);
}
// Console.Out.WriteLine(i + ": " + boxes[i] + ": "+ palette[i]);
}
if (useAlpha)
{
palettes[i][0] = Color.Transparent;
}
}
//NOW MAP ORIGINAL COLORS TO PALETTE ENTRIES
colorTable = new Dictionary <MultiColor, byte>();
foreach (MultiColor c in freqTable.Keys)
{
colorTable[c] = closestMultiColor(c);
}
//NOW INDEX THE WHOLE IMAGES
imageData = new byte[width, height];
for (int x = 0; x < width; x++)
{
for (int y = 0; y < height; y++)
{
MultiColor c = new MultiColor(boxColorCount);
for (int i = 0; i < bl.Count; i++)
{
NSMBe4.NSBMD.ImageTexeler.LockBitmap iii = new NSBMD.ImageTexeler.LockBitmap(bl[i]);
iii.LockBits();
c.setColor(i, iii.GetPixel(x, y));
iii.UnlockBits();
}
c.calcHash();
if (c.allTransparent())
{
imageData[x, y] = (byte)transpCol;
}
else
{
imageData[x, y] = closestMultiColor(c);
}
}
}
Console.Out.WriteLine("DONE");
/*
*
* }*/
}
public bool convert_4x4texel(uint[] tex, int width, int height, UInt16[] data, Color[] pal, ImageTexeler.LockBitmap rgbaOut)
{
int w = width / 4;
int h = height / 4;
// traverse 'w x h blocks' of 4x4-texel
for (int y = 0; y < h; y++)
{
for (int x = 0; x < w; x++)
{
int index = y * w + x;
UInt32 t = tex[index];
UInt16 d = data[index];
UInt16 addr = (ushort)(d & 0x3fff);
UInt16 mode = (ushort)((d >> 14) & 3);
// traverse every texel in the 4x4 texels
for (int r = 0; r < 4; r++)
{
for (int c = 0; c < 4; c++)
{
int texel = (int)((t >> ((r * 4 + c) * 2)) & 3);
Color pixel = rgbaOut.GetPixel((x * 4 + c), (y * 4 + r));
switch (mode)
{
case 0:
pixel = pal[(addr << 1) + texel];
if (texel == 3)
{
pixel = Color.Transparent; // make it transparent, alpha = 0
}
break;
case 2:
pixel = pal[(addr << 1) + texel];
break;
case 1:
switch (texel)
{
case 0:
case 1:
pixel = pal[(addr << 1) + texel];
break;
case 2:
byte R = (byte)((pal[(addr << 1)].R + pal[(addr << 1) + 1].R) / 2L);
byte G = (byte)((pal[(addr << 1)].G + pal[(addr << 1) + 1].G) / 2L);
byte B = (byte)((pal[(addr << 1)].B + pal[(addr << 1) + 1].B) / 2L);
byte A = 0xff;
pixel = Color.FromArgb(A, R, G, B);
break;
case 3:
pixel = Color.Transparent; // make it transparent, alpha = 0
break;
}
break;
case 3:
switch (texel)
{
case 0:
case 1:
pixel = pal[(addr << 1) + texel];
break;
case 2:
{
byte R = (byte)((pal[(addr << 1)].R * 5L + pal[(addr << 1) + 1].R * 3L) / 8);
byte G = (byte)((pal[(addr << 1)].G * 5L + pal[(addr << 1) + 1].G * 3L) / 8);
byte B = (byte)((pal[(addr << 1)].B * 5L + pal[(addr << 1) + 1].B * 3L) / 8);
byte A = 0xff;
pixel = Color.FromArgb(A, R, G, B);
break;
}
case 3:
{
byte R = (byte)((pal[(addr << 1)].R * 3L + pal[(addr << 1) + 1].R * 5L) / 8);
byte G = (byte)((pal[(addr << 1)].G * 3L + pal[(addr << 1) + 1].G * 5L) / 8);
byte B = (byte)((pal[(addr << 1)].B * 3L + pal[(addr << 1) + 1].B * 5L) / 8);
byte A = 0xff;
pixel = Color.FromArgb(A, R, G, B);
break;
}
}
break;
}
rgbaOut.SetPixel((x * 4 + c), (y * 4 + r), pixel);
//rgbaOut[(y * 4 + r) * width + (x * 4 + c)] = pixel;
}
}
}
}
return(true);
}
