logicops_reg.c

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/*====================================================================*
 -  Copyright (C) 2001 Leptonica.  All rights reserved.
 -  This software is distributed in the hope that it will be
 -  useful, but with NO WARRANTY OF ANY KIND.
 -  No author or distributor accepts responsibility to anyone for the
 -  consequences of using this software, or for whether it serves any
 -  particular purpose or works at all, unless he or she says so in
 -  writing.  Everyone is granted permission to copy, modify and
 -  redistribute this source code, for commercial or non-commercial
 -  purposes, with the following restrictions: (1) the origin of this
 -  source code must not be misrepresented; (2) modified versions must
 -  be plainly marked as such; and (3) this notice may not be removed
 -  or altered from any source or modified source distribution.
 *====================================================================*/

/*
 * logicops_reg.c
 *
 */

#include <stdio.h>
#include <stdlib.h>
#include "allheaders.h"

#define   DISPLAY    0

main(int    argc,
     char **argv)
{
l_int32      same;
PIX         *pixs, *pixt1, *pixt2, *pixt3, *pixt4;
static char  mainName[] = "logicops_reg";

    if (argc != 1)
        exit(ERROR_INT(" Syntax: logicops_reg", mainName, 1));

    pixs = pixRead("test1.png");
    pixDisplayWrite(pixs, DISPLAY);

        /* pixInvert */
    pixt1 = pixInvert(NULL, pixs);
    pixt2 = pixCreateTemplate(pixs);  /* into pixd of same size */
    pixInvert(pixt2, pixs);
    pixEqual(pixt1, pixt2, &same);
    if (!same)
        fprintf(stderr, "Error: pixInvert\n");
    else
        fprintf(stderr, "Correct: pixInvert\n");
    pixDisplayWrite(pixt1, DISPLAY); 

    pixt3 = pixRead("marge.jpg");  /* into pixd of different size */
    pixInvert(pixt3, pixs);
    pixEqual(pixt1, pixt3, &same);
    if (!same)
        fprintf(stderr, "Error: pixInvert\n");
    else
        fprintf(stderr, "Correct: pixInvert\n");
    pixDisplayWrite(pixt3, DISPLAY); 
    pixDestroy(&pixt1);
    pixDestroy(&pixt2);
    pixDestroy(&pixt3);

    pixt1 = pixOpenBrick(NULL, pixs, 1, 9);
    pixt2 = pixDilateBrick(NULL, pixs, 1, 9);
    pixDisplayWrite(pixt1, DISPLAY); 
    pixDisplayWrite(pixt2, DISPLAY); 

        /* pixOr */
    pixt3 = pixCreateTemplate(pixs);
    pixOr(pixt3, pixs, pixt1);  /* existing */
    pixt4 = pixOr(NULL, pixs, pixt1);  /* new */
    pixEqual(pixt3, pixt4, &same);
    if (!same)
        fprintf(stderr, "Error: pixOr\n");
    else
        fprintf(stderr, "Correct: pixOr\n");
    pixDisplayWrite(pixt3, DISPLAY); 
    pixCopy(pixt4, pixt1);
    pixOr(pixt4, pixt4, pixs);  /* in-place */
    pixEqual(pixt3, pixt4, &same);
    if (!same)
        fprintf(stderr, "Error: pixOr\n");
    else
        fprintf(stderr, "Correct: pixOr\n");
    pixDestroy(&pixt3);
    pixDestroy(&pixt4);

    pixt3 = pixCreateTemplate(pixs);
    pixOr(pixt3, pixs, pixt2);  /* existing */
    pixt4 = pixOr(NULL, pixs, pixt2);  /* new */
    pixEqual(pixt3, pixt4, &same);
    if (!same)
        fprintf(stderr, "Error: pixOr\n");
    else
        fprintf(stderr, "Correct: pixOr\n");
    pixDisplayWrite(pixt3, DISPLAY); 
    pixCopy(pixt4, pixt2);
    pixOr(pixt4, pixt4, pixs);  /* in-place */
    pixEqual(pixt3, pixt4, &same);
    if (!same)
        fprintf(stderr, "Error: pixOr\n");
    else
        fprintf(stderr, "Correct: pixOr\n");
    pixDestroy(&pixt3);
    pixDestroy(&pixt4);

        /* pixAnd */
    pixt3 = pixCreateTemplate(pixs);
    pixAnd(pixt3, pixs, pixt1);  /* existing */
    pixt4 = pixAnd(NULL, pixs, pixt1);  /* new */
    pixEqual(pixt3, pixt4, &same);
    if (!same)
        fprintf(stderr, "Error: pixAnd\n");
    else
        fprintf(stderr, "Correct: pixAnd\n");
    pixDisplayWrite(pixt3, DISPLAY); 
    pixCopy(pixt3, pixt1);
    pixAnd(pixt3, pixt3, pixs);  /* in-place */
    pixEqual(pixt3, pixt4, &same);
    if (!same)
        fprintf(stderr, "Error: pixAnd\n");
    else
        fprintf(stderr, "Correct: pixAnd\n");
    pixDestroy(&pixt3);
    pixDestroy(&pixt4);

    pixt3 = pixCreateTemplate(pixs);
    pixAnd(pixt3, pixs, pixt2);  /* existing */
    pixt4 = pixAnd(NULL, pixs, pixt2);  /* new */
    pixEqual(pixt3, pixt4, &same);
    if (!same)
        fprintf(stderr, "Error: pixAnd\n");
    else
        fprintf(stderr, "Correct: pixAnd\n");
    pixDisplayWrite(pixt3, DISPLAY); 
    pixCopy(pixt3, pixt2);
    pixAnd(pixt3, pixt3, pixs);  /* in-place */
    pixEqual(pixt3, pixt4, &same);
    if (!same)
        fprintf(stderr, "Error: pixAnd\n");
    else
        fprintf(stderr, "Correct: pixAnd\n");
    pixDestroy(&pixt3);
    pixDestroy(&pixt4);

        /* pixXor */
    pixt3 = pixCreateTemplate(pixs);
    pixXor(pixt3, pixs, pixt1);  /* existing */
    pixt4 = pixXor(NULL, pixs, pixt1);  /* new */
    pixEqual(pixt3, pixt4, &same);
    if (!same)
        fprintf(stderr, "Error: pixXor\n");
    else
        fprintf(stderr, "Correct: pixXor\n");
    pixDisplayWrite(pixt3, DISPLAY); 
    pixCopy(pixt3, pixt1);
    pixXor(pixt3, pixt3, pixs);  /* in-place */
    pixEqual(pixt3, pixt4, &same);
    if (!same)
        fprintf(stderr, "Error: pixXor\n");
    else
        fprintf(stderr, "Correct: pixXor\n");
    pixDestroy(&pixt3);
    pixDestroy(&pixt4);

    pixt3 = pixCreateTemplate(pixs);
    pixXor(pixt3, pixs, pixt2);  /* existing */
    pixt4 = pixXor(NULL, pixs, pixt2);  /* new */
    pixEqual(pixt3, pixt4, &same);
    if (!same)
        fprintf(stderr, "Error: pixXor\n");
    else
        fprintf(stderr, "Correct: pixXor\n");
    pixDisplayWrite(pixt3, DISPLAY); 
    pixCopy(pixt3, pixt2);
    pixXor(pixt3, pixt3, pixs);  /* in-place */
    pixEqual(pixt3, pixt4, &same);
    if (!same)
        fprintf(stderr, "Error: pixXor\n");
    else
        fprintf(stderr, "Correct: pixXor\n");
    pixDestroy(&pixt3);
    pixDestroy(&pixt4);

        /* pixSubtract */
    pixt3 = pixCreateTemplate(pixs);
    pixSubtract(pixt3, pixs, pixt1);  /* existing */
    pixt4 = pixSubtract(NULL, pixs, pixt1);  /* new */
    pixEqual(pixt3, pixt4, &same);
    if (!same)
        fprintf(stderr, "Error: pixSubtract\n");
    else
        fprintf(stderr, "Correct: pixSubtract\n");
    pixDisplayWrite(pixt3, DISPLAY); 
    pixCopy(pixt4, pixt1);
    pixSubtract(pixt4, pixs, pixt4);  /* in-place */
    pixEqual(pixt3, pixt4, &same);
    if (!same)
        fprintf(stderr, "Error: pixSubtract\n");
    else
        fprintf(stderr, "Correct: pixSubtract\n");
    pixDestroy(&pixt3);
    pixDestroy(&pixt4);

    pixt3 = pixCreateTemplate(pixs);
    pixSubtract(pixt3, pixs, pixt2);  /* existing */
    pixt4 = pixSubtract(NULL, pixs, pixt2);  /* new */
    pixEqual(pixt3, pixt4, &same);
    if (!same)
        fprintf(stderr, "Error: pixSubtract\n");
    else
        fprintf(stderr, "Correct: pixSubtract\n");
    pixDisplayWrite(pixt3, DISPLAY); 
    pixCopy(pixt4, pixt2);
    pixSubtract(pixt4, pixs, pixt4);  /* in-place */
    pixEqual(pixt3, pixt4, &same);
    if (!same)
        fprintf(stderr, "Error: pixSubtract\n");
    else
        fprintf(stderr, "Correct: pixSubtract\n");
    pixCopy(pixt4, pixt2);
    pixSubtract(pixs, pixs, pixt4);  /* in-place */
    pixEqual(pixt3, pixs, &same);
    if (!same)
        fprintf(stderr, "Error: pixSubtract\n");
    else
        fprintf(stderr, "Correct: pixSubtract\n");
    pixDestroy(&pixt3);
    pixDestroy(&pixt4);

    pixt4 = pixRead("marge.jpg");
    pixSubtract(pixt4, pixs, pixs);  /* subtract from itself; should be empty */
    pixt3 = pixCreateTemplate(pixs);
    pixEqual(pixt3, pixt4, &same);
    if (!same)
        fprintf(stderr, "Error: pixSubtract\n");
    else
        fprintf(stderr, "Correct: pixSubtract\n");
    pixDestroy(&pixt3);
    pixDestroy(&pixt4);

    pixSubtract(pixs, pixs, pixs);  /* subtract from itself; should be empty */
    pixt3 = pixCreateTemplate(pixs);
    pixEqual(pixt3, pixs, &same);
    if (!same)
        fprintf(stderr, "Error: pixSubtract\n");
    else
        fprintf(stderr, "Correct: pixSubtract\n");
    pixDestroy(&pixt3);

    pixDestroy(&pixs);
    pixDestroy(&pixt1);
    pixDestroy(&pixt2);
    exit(0);
}