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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.
*====================================================================*/
/*
* snapcolortest.c
*
* This tests the color snapping in blend.c.
* It is used here to color the background on images in index.html.
*/
#include <stdio.h>
#include <stdlib.h>
#include "allheaders.h"
static const l_uint32 LEPTONICA_YELLOW = 0xffffe400;
main(int argc,
char **argv)
{
PIX *pixs, *pixd;
static char mainName[] = "snapcolortest";
if (argc != 1)
exit(ERROR_INT(" Syntax: snapcolortest", mainName, 1));
if ((pixs = pixRead("Leptonica.jpg")) == NULL)
exit(ERROR_INT("pixs not made", mainName, 1));
/* First, snap the color directly on the input rgb image. */
pixDisplay(pixs, 100, 75);
pixd = pixSnapColor(NULL, pixs, 0xffffff00, LEPTONICA_YELLOW, 30);
pixDisplay(pixd, 100, 220);
pixWrite("junklogo1", pixd, IFF_JFIF_JPEG);
pixDestroy(&pixd);
/* Then make a colormapped version and snap the color */
pixd = pixOctreeQuant(pixs, 250, 0);
pixDisplay(pixd, 500, 75);
pixSnapColor(pixd, pixd, 0xffffff00, LEPTONICA_YELLOW, 30);
pixDisplay(pixd, 500, 220);
pixWrite("junklogo2", pixd, IFF_PNG);
pixDestroy(&pixd);
pixDestroy(&pixs);
/* Set the background of the google searchbox to yellow.
* The input image is colormapped with all 256 colors used. */
if ((pixs = pixRead("google-searchbox.png")) == NULL)
exit(ERROR_INT("pixs not made", mainName, 1));
pixDisplay(pixs, 900, 75);
pixd = pixSnapColor(NULL, pixs, 0xffffff00, LEPTONICA_YELLOW, 30);
pixDisplay(pixd, 900, 220);
pixWrite("junklogo3", pixd, IFF_PNG);
pixDestroy(&pixd);
pixDestroy(&pixs);
exit(0);
}
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