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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.
*====================================================================*/
/*
* adaptmaptest.c
*
*/
#include <stdio.h>
#include <stdlib.h>
#include "allheaders.h"
#define SIZE_X 10
#define SIZE_Y 30
#define BINTHRESH 50
#define MINCOUNT 30
#define BGVAL 200
#define SMOOTH_X 2
#define SMOOTH_Y 1
/* wet-day.jpg; 0.63 scaling */
#define XS 151
#define YS 225
#define WS 913
#define HS 1285
main(int argc,
char **argv)
{
l_int32 d;
PIX *pixs, *pixg, *pixm, *pixmi, *pixd, *pixd2;
PIX *pixmr, *pixmg, *pixmb, *pixmri, *pixmgi, *pixmbi;
PIX *pixim;
char *filein, *fileout;
static char mainName[] = "adaptmaptest";
if (argc != 3)
exit(ERROR_INT(" Syntax: adaptmaptest filein fileout",
mainName, 1));
filein = argv[1];
fileout = argv[2];
if ((pixs = pixRead(filein)) == NULL)
exit(ERROR_INT("pix not made", mainName, 1));
d = pixGetDepth(pixs);
if (d != 8 && d != 32)
exit(ERROR_INT("pix not 8 or 32 bpp", mainName, 1));
/* process in grayscale */
#if 0
startTimer();
if (d == 32) {
pixg = pixConvertRGBToGray(pixs, 0.33, 0.34, 0.33);
fprintf(stderr, "time for conversion to gray: %7.3f\n", stopTimer());
} else
pixg = pixClone(pixs);
startTimer();
pixim = NULL;
pixim = pixCreate(pixGetWidth(pixs), pixGetHeight(pixs), 1);
pixRasterop(pixim, XS, YS, WS, HS, PIX_SET, NULL, 0, 0);
pixm = pixGetBackgroundMap(pixg, pixim, SIZE_X, SIZE_Y,
BINTHRESH, MINCOUNT);
fprintf(stderr, "time for adapt map generation: %7.3f\n", stopTimer());
pixWrite("junkpixm", pixm, IFF_PNG);
startTimer();
pixmi = pixGetInvBackgroundMap(pixm, BGVAL, SMOOTH_X, SMOOTH_Y);
fprintf(stderr, "time for inv map generation: %7.3f\n", stopTimer());
pixWrite("junkpixmi", pixmi, IFF_PNG);
startTimer();
pixd = pixApplyInvBackgroundMap(pixg, pixmi, SIZE_X, SIZE_Y);
fprintf(stderr, "time for applying inv map: %7.3f\n", stopTimer());
pixWrite(fileout, pixd, IFF_JFIF_JPEG);
pixd2 = pixGammaTRCMasked(NULL, pixd, pixim, 1.0, 0, 190);
pixInvert(pixim, pixim);
pixGammaTRCMasked(pixd2, pixd2, pixim, 1.0, 60, 190);
pixWrite("junkpixo", pixd2, IFF_JFIF_JPEG);
pixDestroy(&pixim);
pixDestroy(&pixg);
pixDestroy(&pixm);
pixDestroy(&pixmi);
pixDestroy(&pixd);
pixDestroy(&pixd2);
#endif
/* process in color if input is 32 bpp */
#if 0
if (d != 32)
exit(ERROR_INT("pix not 32 bpp", mainName, 1));
startTimer();
pixmr = pixmg = pixmb = NULL;
pixim = pixCreate(pixGetWidth(pixs), pixGetHeight(pixs), 1);
pixRasterop(pixim, XS, YS, WS, HS, PIX_SET, NULL, 0, 0);
pixGetBackgroundMaps(pixs, pixim, SIZE_X, SIZE_Y, BINTHRESH, MINCOUNT,
&pixmr, &pixmg, &pixmb);
fprintf(stderr, "time for adapt map generation: %7.3f\n", stopTimer());
pixWrite("junkpixmr", pixmr, IFF_PNG);
pixWrite("junkpixmg", pixmg, IFF_PNG);
pixWrite("junkpixmb", pixmb, IFF_PNG);
startTimer();
pixmri = pixGetInvBackgroundMap(pixmr, BGVAL, SMOOTH_X, SMOOTH_Y);
pixmgi = pixGetInvBackgroundMap(pixmg, BGVAL, SMOOTH_X, SMOOTH_Y);
pixmbi = pixGetInvBackgroundMap(pixmb, BGVAL, SMOOTH_X, SMOOTH_Y);
fprintf(stderr, "time for inv map generation: %7.3f\n", stopTimer());
pixWrite("junkpixmri", pixmri, IFF_PNG);
pixWrite("junkpixmgi", pixmgi, IFF_PNG);
pixWrite("junkpixmbi", pixmbi, IFF_PNG);
startTimer();
pixd = pixApplyInvBackgroundMaps(pixs, pixmri, pixmgi, pixmbi,
SIZE_X, SIZE_Y);
fprintf(stderr, "time for applying inv maps: %7.3f\n", stopTimer());
pixWrite(fileout, pixd, IFF_JFIF_JPEG);
pixd2 = pixGammaTRCMasked(NULL, pixd, pixim, 1.0, 0, 190);
pixInvert(pixim, pixim);
pixGammaTRCMasked(pixd2, pixd2, pixim, 1.0, 60, 190);
pixWrite("junkpixo", pixd2, IFF_JFIF_JPEG);
pixDestroy(&pixmr);
pixDestroy(&pixmg);
pixDestroy(&pixmb);
pixDestroy(&pixmri);
pixDestroy(&pixmgi);
pixDestroy(&pixmbi);
pixDestroy(&pixim);
pixDestroy(&pixd);
pixDestroy(&pixd2);
#endif
/* process in either gray or color, depending on the source */
#if 1
startTimer();
pixim = pixCreate(pixGetWidth(pixs), pixGetHeight(pixs), 1);
pixRasterop(pixim, XS, YS, WS, HS, PIX_SET, NULL, 0, 0);
/* pixd = pixBackgroundNorm(pixs, pixim, NULL,SIZE_X, SIZE_Y,
BINTHRESH, MINCOUNT,
BGVAL, SMOOTH_X, SMOOTH_Y); */
pixd = pixBackgroundNorm(pixs, pixim, NULL, 5, 10, BINTHRESH, 20,
BGVAL, SMOOTH_X, SMOOTH_Y);
fprintf(stderr, "time for bg normalization: %7.3f\n", stopTimer());
pixWrite(fileout, pixd, IFF_JFIF_JPEG);
pixd2 = pixGammaTRCMasked(NULL, pixd, pixim, 1.0, 0, 190);
pixInvert(pixim, pixim);
pixGammaTRCMasked(pixd2, pixd2, pixim, 1.0, 60, 190);
pixWrite("junkpixo", pixd2, IFF_JFIF_JPEG);
pixDestroy(&pixd);
pixDestroy(&pixd2);
pixDestroy(&pixim);
#endif
pixDestroy(&pixs);
exit(0);
}
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