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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.
*====================================================================*/
/*
* rasteropip_reg.c
*
* Tests in-place operation using the general 2-image pixRasterop().
* The in-place operation works because there is no overlap
* between the src and dest rectangles.
*/
#include <stdio.h>
#include <stdlib.h>
#include "allheaders.h"
main(int argc,
char **argv)
{
l_int32 i, j, equal;
PIX *pixs, *pixt, *pixd;
static char mainName[] = "rasteropip_reg";
pixs = pixRead("test8.jpg");
pixt = pixCopy(NULL, pixs);
/* Copy, in-place and one COLUMN at a time, from the right
side to the left side. */
for (j = 0; j < 200; j++)
pixRasterop(pixs, 20 + j, 20, 1, 250, PIX_SRC, pixs, 250 + j, 20);
pixDisplay(pixs, 50, 50);
/* Copy, in-place and one ROW at a time, from the right
side to the left side. */
for (i = 0; i < 250; i++)
pixRasterop(pixt, 20, 20 + i, 200, 1, PIX_SRC, pixt, 250, 20 + i);
pixDisplay(pixt, 620, 50);
/* Test */
pixEqual(pixs, pixt, &equal);
if (equal)
fprintf(stderr, "OK: images are the same\n");
else
fprintf(stderr, "Error: images are different\n");
pixWrite("junkpix", pixs, IFF_PNG);
pixDestroy(&pixs);
pixDestroy(&pixt);
/* Show the mirrored border, which uses the general
pixRasterop() on an image in-place. */
pixs = pixRead("test8.jpg");
pixt = pixRemoveBorder(pixs, 40);
pixd = pixAddMirroredBorder(pixt, 25, 25, 25, 25);
pixDisplay(pixd, 50, 550);
pixDestroy(&pixs);
pixDestroy(&pixt);
pixDestroy(&pixd);
return 0;
}
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