Function pixcmapConvertRGBToHSV

deps/leptonica/src/colorspace.c:423–440

! * \brief pixcmapConvertRGBToHSV() * * \param[in] cmap colormap * \return 0 if OK; 1 on error * * * Notes: * ~ in-place transform * ~ See convertRGBToHSV() for def'n of HSV space. * ~ replaces: r --> h, g --> s, b --> v * */

 * </pre>
 */
l_int32
pixcmapConvertRGBToHSV(PIXCMAP  *cmap)
{
l_int32   i, ncolors, rval, gval, bval, hval, sval, vval;

    PROCNAME("pixcmapConvertRGBToHSV");

    if (!cmap)
        return ERROR_INT("cmap not defined", procName, 1);

    ncolors = pixcmapGetCount(cmap);
    for (i = 0; i < ncolors; i++) {
        pixcmapGetColor(cmap, i, &rval, &gval, &bval);
        convertRGBToHSV(rval, gval, bval, &hval, &sval, &vval);
        pixcmapResetColor(cmap, i, hval, sval, vval);
    }
    return 0;
}


/*!