third-party/leptonica/prog/graymorph2_reg.c
/*====================================================================*
- Copyright (C) 2001 Leptonica. All rights reserved.
-
- Redistribution and use in source and binary forms, with or without
- modification, are permitted provided that the following conditions
- are met:
- 1. Redistributions of source code must retain the above copyright
- notice, this list of conditions and the following disclaimer.
- 2. Redistributions in binary form must reproduce the above
- copyright notice, this list of conditions and the following
- disclaimer in the documentation and/or other materials
- provided with the distribution.
-
- THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
- ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
- LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
- A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL ANY
- CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
- EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
- PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
- PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
- OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
- NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
- SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*====================================================================*/
/*
* graymorph2_reg.c
*
* Compares graymorph results with special (3x1, 1x3, 3x3) cases
* against the general case. Require exact equality.
*/
#include "allheaders.h"
int main(int argc,
char **argv)
{
PIX *pixs, *pixt1, *pixt2, *pixd;
PIXA *pixa;
L_REGPARAMS *rp;
if (regTestSetup(argc, argv, &rp))
return 1;
pixs = pixRead("test8.jpg");
/* Dilation */
pixa = pixaCreate(0);
pixSaveTiled(pixs, pixa, 1.0, 1, 20, 8);
pixt1 = pixDilateGray3(pixs, 3, 1);
pixSaveTiled(pixt1, pixa, 1.0, 1, 20, 8);
pixt2 = pixDilateGray(pixs, 3, 1);
pixSaveTiled(pixt2, pixa, 1.0, 0, 20, 8);
regTestComparePix(rp, pixt1, pixt2); /* 0 */
pixDestroy(&pixt1);
pixDestroy(&pixt2);
pixt1 = pixDilateGray3(pixs, 1, 3);
pixSaveTiled(pixt1, pixa, 1.0, 1, 20, 8);
pixt2 = pixDilateGray(pixs, 1, 3);
pixSaveTiled(pixt2, pixa, 1.0, 0, 20, 8);
regTestComparePix(rp, pixt1, pixt2); /* 1 */
pixDestroy(&pixt1);
pixDestroy(&pixt2);
pixt1 = pixDilateGray3(pixs, 3, 3);
pixSaveTiled(pixt1, pixa, 1.0, 1, 20, 8);
pixt2 = pixDilateGray(pixs, 3, 3);
pixSaveTiled(pixt2, pixa, 1.0, 0, 20, 8);
regTestComparePix(rp, pixt1, pixt2); /* 2 */
pixDestroy(&pixt1);
pixDestroy(&pixt2);
pixd = pixaDisplay(pixa, 0, 0);
pixDisplayWithTitle(pixd, 0, 100, "Dilation", rp->display);
pixDestroy(&pixd);
pixaDestroy(&pixa);
/* Erosion */
pixa = pixaCreate(0);
pixSaveTiled(pixs, pixa, 1.0, 1, 20, 8);
pixt1 = pixErodeGray3(pixs, 3, 1);
pixSaveTiled(pixt1, pixa, 1.0, 1, 20, 8);
pixt2 = pixErodeGray(pixs, 3, 1);
pixSaveTiled(pixt2, pixa, 1.0, 0, 20, 8);
regTestComparePix(rp, pixt1, pixt2); /* 3 */
pixDestroy(&pixt1);
pixDestroy(&pixt2);
pixt1 = pixErodeGray3(pixs, 1, 3);
pixSaveTiled(pixt1, pixa, 1.0, 1, 20, 8);
pixt2 = pixErodeGray(pixs, 1, 3);
pixSaveTiled(pixt2, pixa, 1.0, 0, 20, 8);
regTestComparePix(rp, pixt1, pixt2); /* 4 */
pixDestroy(&pixt1);
pixDestroy(&pixt2);
pixt1 = pixErodeGray3(pixs, 3, 3);
pixSaveTiled(pixt1, pixa, 1.0, 1, 20, 8);
pixt2 = pixErodeGray(pixs, 3, 3);
pixSaveTiled(pixt2, pixa, 1.0, 0, 20, 8);
regTestComparePix(rp, pixt1, pixt2); /* 5 */
pixDestroy(&pixt1);
pixDestroy(&pixt2);
pixd = pixaDisplay(pixa, 0, 0);
pixDisplayWithTitle(pixd, 250, 100, "Erosion", rp->display);
pixDestroy(&pixd);
pixaDestroy(&pixa);
/* Opening */
pixa = pixaCreate(0);
pixSaveTiled(pixs, pixa, 1.0, 1, 20, 8);
pixt1 = pixOpenGray3(pixs, 3, 1);
pixSaveTiled(pixt1, pixa, 1.0, 1, 20, 8);
pixt2 = pixOpenGray(pixs, 3, 1);
pixSaveTiled(pixt2, pixa, 1.0, 0, 20, 8);
regTestComparePix(rp, pixt1, pixt2); /* 6 */
pixDestroy(&pixt1);
pixDestroy(&pixt2);
pixt1 = pixOpenGray3(pixs, 1, 3);
pixSaveTiled(pixt1, pixa, 1.0, 1, 20, 8);
pixt2 = pixOpenGray(pixs, 1, 3);
pixSaveTiled(pixt2, pixa, 1.0, 0, 20, 8);
regTestComparePix(rp, pixt1, pixt2); /* 7 */
pixDestroy(&pixt1);
pixDestroy(&pixt2);
pixt1 = pixOpenGray3(pixs, 3, 3);
pixSaveTiled(pixt1, pixa, 1.0, 1, 20, 8);
pixt2 = pixOpenGray(pixs, 3, 3);
pixSaveTiled(pixt2, pixa, 1.0, 0, 20, 8);
regTestComparePix(rp, pixt1, pixt2); /* 8 */
pixDestroy(&pixt1);
pixDestroy(&pixt2);
pixd = pixaDisplay(pixa, 0, 0);
pixDisplayWithTitle(pixd, 500, 100, "Opening", rp->display);
pixDestroy(&pixd);
pixaDestroy(&pixa);
/* Closing */
pixa = pixaCreate(0);
pixSaveTiled(pixs, pixa, 1.0, 1, 20, 8);
pixt1 = pixCloseGray3(pixs, 3, 1);
pixSaveTiled(pixt1, pixa, 1.0, 1, 20, 8);
pixt2 = pixCloseGray(pixs, 3, 1);
pixSaveTiled(pixt2, pixa, 1.0, 0, 20, 8);
regTestComparePix(rp, pixt1, pixt2); /* 9 */
pixDestroy(&pixt1);
pixDestroy(&pixt2);
pixt1 = pixCloseGray3(pixs, 1, 3);
pixSaveTiled(pixt1, pixa, 1.0, 1, 20, 8);
pixt2 = pixCloseGray(pixs, 1, 3);
pixSaveTiled(pixt2, pixa, 1.0, 0, 20, 8);
regTestComparePix(rp, pixt1, pixt2); /* 10 */
pixDestroy(&pixt1);
pixDestroy(&pixt2);
pixt1 = pixCloseGray3(pixs, 3, 3);
pixSaveTiled(pixt1, pixa, 1.0, 1, 20, 8);
pixt2 = pixCloseGray(pixs, 3, 3);
pixSaveTiled(pixt2, pixa, 1.0, 0, 20, 8);
regTestComparePix(rp, pixt1, pixt2); /* 11 */
pixDestroy(&pixt1);
pixDestroy(&pixt2);
pixd = pixaDisplay(pixa, 0, 0);
pixDisplayWithTitle(pixd, 750, 100, "Closing", rp->display);
pixDestroy(&pixd);
pixaDestroy(&pixa);
pixDestroy(&pixs);
return regTestCleanup(rp);
}