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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.
*====================================================================*/
/*
* pixtile_reg.c
*/
#include <stdio.h>
#include <stdlib.h>
#include "allheaders.h"
static l_int32 TestTiling(PIX *pixd, PIX *pixs, l_int32 nx, l_int32 ny,
l_int32 w, l_int32 h, l_int32 overlap);
main(int argc,
char **argv)
{
PIX *pixs, *pixd;
pixs = pixRead("test24.jpg");
pixd = pixCreateTemplateNoInit(pixs);
TestTiling(pixd, pixs, 1, 1, 0, 0, 183);
TestTiling(pixd, pixs, 0, 1, 60, 0, 30);
TestTiling(pixd, pixs, 1, 0, 0, 60, 40);
TestTiling(pixd, pixs, 0, 0, 27, 31, 27);
TestTiling(pixd, pixs, 0, 0, 400, 400, 40);
TestTiling(pixd, pixs, 7, 9, 0, 0, 35);
pixDestroy(&pixs);
pixDestroy(&pixd);
return 0;
}
l_int32
TestTiling(PIX *pixd,
PIX *pixs,
l_int32 nx,
l_int32 ny,
l_int32 w,
l_int32 h,
l_int32 overlap)
{
l_int32 i, j, same;
PIX *pixt;
PIXTILING *pt;
pixClearAll(pixd);
pt = pixTilingCreate(pixs, nx, ny, w, h, overlap);
pixTilingGetCount(pt, &nx, &ny);
pixTilingGetSize(pt, &w, &h);
if (pt)
fprintf(stderr, "nx = %d, ny = %d, w = %d, h = %d, overlap = %d\n",
nx, ny, w, h, pt->overlap);
else
return 1;
for (i = 0; i < ny; i++) {
for (j = 0; j < nx; j++) {
pixt = pixTilingGetTile(pt, i, j);
pixTilingPaintTile(pixd, i, j, pixt, pt);
pixDestroy(&pixt);
}
}
pixEqual(pixs, pixd, &same);
if (same)
fprintf(stderr, "Tiling OK\n");
else
fprintf(stderr, "Tiling ERROR !\n");
pixTilingDestroy(&pt);
return 0;
}
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