Fórum Paleta de cores num bitmap... como trabalhar? #267158

void CxImage::HuePalette(float correction)
{
if (head.biClrUsed==0) return;

for(DWORD j=0; j<head.biClrUsed; j++){
BYTE i=(BYTE)(j*correction*(255/(head.biClrUsed-1)));
RGBQUAD hsl={120,240,i,0};
SetPaletteColor((BYTE)j,HSLtoRGB(hsl));
}
}

void CxImage::SetPaletteColor(BYTE idx, RGBQUAD c)
{
if ((pDib)&&(head.biClrUsed)){
BYTE* iDst = (BYTE*)(pDib) + sizeof(BITMAPINFOHEADER);
if (idx<head.biClrUsed){
long ldx=idx*sizeof(RGBQUAD);
iDst[ldx++] = (BYTE) c.rgbBlue;
iDst[ldx++] = (BYTE) c.rgbGreen;
iDst[ldx++] = (BYTE) c.rgbRed;
iDst[ldx] = (BYTE) c.rgbReserved;
info.last_c_isvalid = false;
}
}
}