static public int Convert(Bitmap source, BitmapCpc dest, Param p, bool triangle)
{
int[] CChoix = new int[16];
Tx = 4 >> (dest.ModeCPC == 3 ? 1 : dest.ModeCPC);
MaxCol = 1 << Tx;
for (int i = 0; i < 16; i++)
{
CChoix[i] = dest.Palette[i];
}
tailleX = dest.TailleX;
tailleY = dest.TailleY;
double ratio = source.Width * tailleY / (double)(source.Height * tailleX);
Bitmap tmp = new Bitmap(tailleX, tailleY);
Graphics g = Graphics.FromImage(tmp);
switch (p.sizeMode)
{
case Param.SizeMode.KeepSmaller:
if (ratio < 1)
{
int newW = (int)(tailleX * ratio);
g.DrawImage(source, (tailleX - newW) >> 1, 0, newW, tailleY);
}
else
{
int newH = (int)(tailleY / ratio);
g.DrawImage(source, 0, (tailleY - newH) >> 1, tailleX, newH);
}
bitmap = new LockBitmap(tmp);
break;
case Param.SizeMode.KeepLarger:
if (ratio < 1)
{
int newY = (int)(tailleY / ratio);
g.DrawImage(source, 0, (tailleY - newY) >> 1, tailleX, newY);
}
else
{
int newX = (int)(tailleX * ratio);
g.DrawImage(source, (tailleX - newX) >> 1, 0, newX, tailleY);
}
bitmap = new LockBitmap(tmp);
break;
case Param.SizeMode.Fit:
bitmap = new LockBitmap(new Bitmap(source, tailleX, tailleY));
break;
}
bitmap.LockBits();
int nbCol = ConvertPasse1(tailleX, tailleY, p.methode, p.matrice, p.pct, p.cpcPlus, p.newMethode, dest.ModeCPC, p.cpcPlus, p.reductPal1, p.reductPal2, p.newReduct, p.pctLumi, p.pctSat, p.pctContrast);
//Bitmap b = bitmap.UnlockBits();
//b.Save(@"C:\Users\deplanql\Desktop\Test.png",System.Drawing.Imaging.ImageFormat.Png);
//bitmap.LockBits();
RechercheCMax(CChoix, p.lockState, p.cpcPlus, p.sortPal);
Passe2(dest, CChoix, p.cpcPlus, triangle ? 4 : p.pixMode);
for (int i = 0; i < 16; i++)
{
dest.SetPalette(i, CChoix[i]);
}
bitmap.UnlockBits();
return(nbCol);
}