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/*====================================================================*
- 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.
*====================================================================*/
/*
* adaptmap_reg.c
*
* Regression test demonstrating adaptive mappings in both gray and color
*/
#ifdef HAVE_CONFIG_H
#include <config_auto.h>
#endif /* HAVE_CONFIG_H */
#include "allheaders.h"
/* Location of image region in wet-day.jpg */
static const l_int32 XS = 151;
static const l_int32 YS = 225;
static const l_int32 WS = 913;
static const l_int32 HS = 1285;
static const l_int32 SIZE_X = 10;
static const l_int32 SIZE_Y = 30;
static const l_int32 BINTHRESH = 50;
static const l_int32 MINCOUNT = 30;
static const l_int32 BGVAL = 200;
static const l_int32 SMOOTH_X = 2;
static const l_int32 SMOOTH_Y = 1;
int main(int argc,
char **argv)
{
l_int32 w, h;
PIX *pixs, *pixg, *pixim, *pixgm, *pixmi, *pix1, *pix2;
PIX *pixmr, *pixmg, *pixmb, *pixmri, *pixmgi, *pixmbi;
PIXA *pixa;
L_REGPARAMS *rp;
if (regTestSetup(argc, argv, &rp))
return 1;
lept_mkdir("lept/adapt"); // REMOVE?
pixs = pixRead("wet-day.jpg");
pixa = pixaCreate(0);
pixg = pixConvertRGBToGray(pixs, 0.33, 0.34, 0.33);
pixaAddPix(pixa, pixs, L_INSERT);
pixaAddPix(pixa, pixg, L_INSERT);
pixGetDimensions(pixs, &w, &h, NULL);
/* Process in grayscale */
startTimer();
pixim = pixCreate(w, h, 1);
pixRasterop(pixim, XS, YS, WS, HS, PIX_SET, NULL, 0, 0);
pixGetBackgroundGrayMap(pixg, pixim, SIZE_X, SIZE_Y,
BINTHRESH, MINCOUNT, &pixgm);
lept_stderr("Time for gray adaptmap gen: %7.3f\n", stopTimer());
regTestWritePixAndCheck(rp, pixgm, IFF_PNG); /* 0 */
pixaAddPix(pixa, pixgm, L_INSERT);
startTimer();
pixmi = pixGetInvBackgroundMap(pixgm, BGVAL, SMOOTH_X, SMOOTH_Y);
lept_stderr("Time for gray inv map generation: %7.3f\n", stopTimer());
regTestWritePixAndCheck(rp, pixmi, IFF_PNG); /* 1 */
pixaAddPix(pixa, pixmi, L_INSERT);
startTimer();
pix1 = pixApplyInvBackgroundGrayMap(pixg, pixmi, SIZE_X, SIZE_Y);
lept_stderr("Time to apply gray inv map: %7.3f\n", stopTimer());
regTestWritePixAndCheck(rp, pix1, IFF_JFIF_JPEG); /* 2 */
pixaAddPix(pixa, pix1, L_INSERT);
pix2 = pixGammaTRCMasked(NULL, pix1, pixim, 1.0, 0, 190);
pixInvert(pixim, pixim);
pixGammaTRCMasked(pix2, pix2, pixim, 1.0, 60, 190);
regTestWritePixAndCheck(rp, pix2, IFF_JFIF_JPEG); /* 3 */
pixaAddPix(pixa, pix2, L_INSERT);
pixDestroy(&pixim);
/* Process in color */
startTimer();
pixim = pixCreate(w, h, 1);
pixRasterop(pixim, XS, YS, WS, HS, PIX_SET, NULL, 0, 0);
pixGetBackgroundRGBMap(pixs, pixim, NULL, SIZE_X, SIZE_Y,
BINTHRESH, MINCOUNT,
&pixmr, &pixmg, &pixmb);
lept_stderr("Time for color adaptmap gen: %7.3f\n", stopTimer());
regTestWritePixAndCheck(rp, pixmr, IFF_PNG); /* 4 */
regTestWritePixAndCheck(rp, pixmg, IFF_PNG); /* 5 */
regTestWritePixAndCheck(rp, pixmb, IFF_PNG); /* 6 */
pixaAddPix(pixa, pixmr, L_INSERT);
pixaAddPix(pixa, pixmg, L_INSERT);
pixaAddPix(pixa, pixmb, L_INSERT);
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);
lept_stderr("Time for color inv map generation: %7.3f\n", stopTimer());
regTestWritePixAndCheck(rp, pixmri, IFF_PNG); /* 7 */
regTestWritePixAndCheck(rp, pixmgi, IFF_PNG); /* 8 */
regTestWritePixAndCheck(rp, pixmbi, IFF_PNG); /* 9 */
pixaAddPix(pixa, pixmri, L_INSERT);
pixaAddPix(pixa, pixmgi, L_INSERT);
pixaAddPix(pixa, pixmbi, L_INSERT);
startTimer();
pix1 = pixApplyInvBackgroundRGBMap(pixs, pixmri, pixmgi, pixmbi,
SIZE_X, SIZE_Y);
lept_stderr("Time to apply color inv maps: %7.3f\n", stopTimer());
regTestWritePixAndCheck(rp, pix1, IFF_JFIF_JPEG); /* 10 */
pixaAddPix(pixa, pix1, L_INSERT);
pix2 = pixGammaTRCMasked(NULL, pix1, pixim, 1.0, 0, 190);
pixInvert(pixim, pixim);
pixGammaTRCMasked(pix2, pix2, pixim, 1.0, 60, 190);
regTestWritePixAndCheck(rp, pix2, IFF_JFIF_JPEG); /* 11 */
pixaAddPix(pixa, pix2, L_INSERT);
pixDestroy(&pixim);
/* Process at higher level in color */
startTimer();
pixim = pixCreate(w, h, 1);
pixRasterop(pixim, XS, YS, WS, HS, PIX_SET, NULL, 0, 0);
pix1 = pixBackgroundNorm(pixs, pixim, NULL, 5, 10, BINTHRESH, 20,
BGVAL, SMOOTH_X, SMOOTH_Y);
lept_stderr("Time for bg normalization: %7.3f\n", stopTimer());
regTestWritePixAndCheck(rp, pix1, IFF_JFIF_JPEG); /* 12 */
pixaAddPix(pixa, pix1, L_INSERT);
pix2 = pixGammaTRCMasked(NULL, pix1, pixim, 1.0, 0, 190);
pixInvert(pixim, pixim);
pixGammaTRCMasked(pix2, pix2, pixim, 1.0, 60, 190);
regTestWritePixAndCheck(rp, pix2, IFF_JFIF_JPEG); /* 13 */
pixaAddPix(pixa, pix2, L_INSERT);
pixDestroy(&pixim);
/* Display results */
pix1 = pixaDisplayTiledAndScaled(pixa, 32, 400, 4, 0, 20, 2);
pixWrite("/tmp/lept/adapt/results.jpg", pix1, IFF_JFIF_JPEG);
pixDisplayWithTitle(pix1, 50, 0, NULL, rp->display);
pixDestroy(&pix1);
pixaDestroy(&pixa);
/* Check pixFillMapHoles() */
pixa = pixaCreate(3);
pix1 = pixRead("weasel8.png"); /* use this as the map */
pixGammaTRC(pix1, pix1, 1.0, 0, 270); /* darken white pixels */
pixaAddPix(pixa, pix1, L_COPY);
pixGetDimensions(pix1, &w, &h, NULL);
pixRasterop(pix1, 0, 0, 5, h, PIX_SET, NULL, 0, 0); /* add white holes */
pixRasterop(pix1, 20, 0, 2, h, PIX_SET, NULL, 0, 0);
pixRasterop(pix1, 40, 0, 3, h, PIX_SET, NULL, 0, 0);
pixRasterop(pix1, 0, 0, w, 3, PIX_SET, NULL, 0, 0);
pixRasterop(pix1, 0, 15, w, 3, PIX_SET, NULL, 0, 0);
pixRasterop(pix1, 0, 35, w, 2, PIX_SET, NULL, 0, 0);
pixaAddPix(pixa, pix1, L_COPY);
pixFillMapHoles(pix1, w, h, L_FILL_WHITE);
pixaAddPix(pixa, pix1, L_INSERT);
pix2 = pixaDisplayTiledInColumns(pixa, 3, 1.0, 20, 1);
regTestWritePixAndCheck(rp, pix2, IFF_PNG); /* 14 */
pixDisplayWithTitle(pix2, 50, 850, NULL, rp->display);
pixaDestroy(&pixa);
pixDestroy(&pix2);
/* An even simpler check of pixFillMapHoles() */
pixa = pixaCreate(2);
pix1 = pixCreate(3, 3, 8);
pixSetPixel(pix1, 1, 0, 128);
pix2 = pixExpandReplicate(pix1, 25);
pixaAddPix(pixa, pix2, L_INSERT);
pixFillMapHoles(pix1, 3, 3, L_FILL_BLACK);
pix2 = pixExpandReplicate(pix1, 25);
pixaAddPix(pixa, pix2, L_INSERT);
pixDestroy(&pix1);
pix1 = pixaDisplayTiledInColumns(pixa, 2, 1.0, 20, 0);
regTestWritePixAndCheck(rp, pix1, IFF_PNG); /* 15 */
pixDisplayWithTitle(pix1, 50, 1000, NULL, rp->display);
pixaDestroy(&pixa);
pixDestroy(&pix1);
return regTestCleanup(rp);
}
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