Function pixOpen

deps/leptonica/src/morph.c:421–439

! * \brief pixOpen() * * \param[in] pixd [optional]; this can be null, equal to pixs, * or different from pixs * \param[in] pixs 1 bpp * \param[in] sel * \return pixd * * * Notes: * (1) Generic morphological opening, using hits in the Sel. * (2) There are three cases: * (a) pixd == null (result into new pixd) * (b)

 * </pre>
 */
PIX *
pixOpen(PIX  *pixd,
        PIX  *pixs,
        SEL  *sel)
{
PIX  *pixt;

    PROCNAME("pixOpen");

    if ((pixd = processMorphArgs2(pixd, pixs, sel)) == NULL)
        return (PIX *)ERROR_PTR("pixd not returned", procName, pixd);

    if ((pixt = pixErode(NULL, pixs, sel)) == NULL)
        return (PIX *)ERROR_PTR("pixt not made", procName, pixd);
    pixDilate(pixd, pixt, sel);
    pixDestroy(&pixt);

    return pixd;
}


/*!