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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.
*====================================================================*/
/*
* blackwhite_reg.c
*
* Tests functions that handle black and white pixels in an image.
*/
#ifdef HAVE_CONFIG_H
#include <config_auto.h>
#endif /* HAVE_CONFIG_H */
#include "allheaders.h"
const char *fnames[11] = {"test1.png", "speckle2.png", "weasel2.4g.png",
"speckle4.png", "weasel4.11c.png",
"dreyfus8.png", "weasel8.240c.png",
"test16.tif", "marge.jpg",
"test-cmap-alpha.png", "test-gray-alpha.png"};
const l_int32 setsize = 11;
int main(int argc,
char **argv)
{
l_int32 i, spp;
l_uint32 bval, wval;
PIX *pixs, *pix1, *pix2, *pix3, *pixd;
PIXA *pixa;
L_REGPARAMS *rp;
if (regTestSetup(argc, argv, &rp))
return 1;
/* Scale each image and add a white boundary */
pixa = pixaCreate(setsize);
for (i = 0; i < setsize; i++) {
pixs = pixRead(fnames[i]);
spp = pixGetSpp(pixs);
pixGetBlackOrWhiteVal(pixs, L_GET_WHITE_VAL, &wval);
pixGetBlackOrWhiteVal(pixs, L_GET_BLACK_VAL, &bval);
lept_stderr("d = %d, spp = %d, bval = %x, wval = %x\n",
pixGetDepth(pixs), spp, bval, wval);
if (spp == 4) /* remove alpha, using white background */
pix1 = pixAlphaBlendUniform(pixs, wval);
else
pix1 = pixClone(pixs);
pix2 = pixScaleToSize(pix1, 150, 150);
pixGetBlackOrWhiteVal(pix2, L_GET_WHITE_VAL, &wval);
pix3 = pixAddBorderGeneral(pix2, 30, 30, 20, 20, wval);
pixaAddPix(pixa, pix3, L_INSERT);
pixDestroy(&pixs);
pixDestroy(&pix1);
pixDestroy(&pix2);
}
pixd = pixaDisplayTiledInRows(pixa, 32, 1200, 1.0, 1, 30, 0);
regTestWritePixAndCheck(rp, pixd, IFF_PNG);
pixDisplayWithTitle(pixd, 0, 100, NULL, rp->display);
pixDestroy(&pixd);
pixaDestroy(&pixa);
/* Scale each image and add a black boundary */
pixa = pixaCreate(setsize);
for (i = 0; i < setsize; i++) {
pixs = pixRead(fnames[i]);
spp = pixGetSpp(pixs);
pixGetBlackOrWhiteVal(pixs, L_GET_WHITE_VAL, &wval);
pixGetBlackOrWhiteVal(pixs, L_GET_BLACK_VAL, &bval);
lept_stderr("d = %d, spp = %d, bval = %x, wval = %x\n",
pixGetDepth(pixs), spp, bval, wval);
if (spp == 4) /* remove alpha, using white background */
pix1 = pixAlphaBlendUniform(pixs, wval);
else
pix1 = pixClone(pixs);
pix2 = pixScaleToSize(pix1, 150, 150);
pixGetBlackOrWhiteVal(pixs, L_GET_BLACK_VAL, &bval);
pix3 = pixAddBorderGeneral(pix2, 30, 30, 20, 20, bval);
pixaAddPix(pixa, pix3, L_INSERT);
pixDestroy(&pixs);
pixDestroy(&pix1);
pixDestroy(&pix2);
}
pixd = pixaDisplayTiledInRows(pixa, 32, 1200, 1.0, 0, 30, 0);
regTestWritePixAndCheck(rp, pixd, IFF_PNG);
pixDisplayWithTitle(pixd, 1000, 100, NULL, rp->display);
pixDestroy(&pixd);
pixaDestroy(&pixa);
return regTestCleanup(rp);
}
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