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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.
*====================================================================*/
/*
* blendtest1.c
*
* fract must be in interval [0.0, 1.0]
*/
#include <stdio.h>
#include <stdlib.h>
#include "allheaders.h"
#define X 140
#define Y 40
main(int argc,
char **argv)
{
char *file1, *file2, *fileout;
l_int32 d;
l_float32 fract;
PIX *pixs1, *pixs2, *pixt1, *pixt2, *pixt3, *pixt4, *pixd;
static char mainName[] = "blendtest1";
if (argc != 5)
exit(ERROR_INT(" Syntax: blendtest1 file1 file2 fract fileout",
mainName, 1));
file1 = argv[1];
file2 = argv[2];
fract = atof(argv[3]);
fileout = argv[4];
if ((pixs1 = pixRead(file1)) == NULL)
exit(ERROR_INT("pixs1 not made", mainName, 1));
if ((pixs2 = pixRead(file2)) == NULL)
exit(ERROR_INT("pixs2 not made", mainName, 1));
#if 0
d = pixGetDepth(pixs2);
if (d == 1) {
pixt1 = pixBlend(pixs1, pixs2, X, Y, fract);
pixt2 = pixBlend(pixt1, pixs2, X, Y + 60, fract);
pixt3 = pixBlend(pixt2, pixs2, X, Y + 120, fract);
pixt4 = pixBlend(pixt3, pixs2, X, Y + 180, fract);
pixt5 = pixBlend(pixt4, pixs2, X, Y + 240, fract);
pixd = pixBlend(pixt5, pixs2, X, Y + 300, fract);
pixWrite(fileout, pixd, IFF_DEFAULT);
pixDestroy(&pixt1);
pixDestroy(&pixt2);
pixDestroy(&pixt3);
pixDestroy(&pixt4);
pixDestroy(&pixt5);
}
else {
pixt1 = pixBlend(pixs1, pixs2, X, Y, fract);
pixt2 = pixBlend(pixt1, pixs2, X + 80, Y + 80, fract);
pixt3 = pixBlend(pixt2, pixs2, X + 160, Y + 160, fract);
pixt4 = pixBlend(pixt3, pixs2, X + 240, Y + 240, fract);
pixt5 = pixBlend(pixt4, pixs2, X + 320, Y + 320, fract);
pixd = pixBlend(pixt5, pixs2, X + 360, Y + 360, fract);
pixWrite(fileout, pixd, IFF_DEFAULT);
pixDestroy(&pixt1);
pixDestroy(&pixt2);
pixDestroy(&pixt3);
pixDestroy(&pixt4);
pixDestroy(&pixt5);
}
pixDestroy(&pixd);
#endif
#if 1 /* e.g., weasel8.png with fract = 0.3 */
pixSnapColor(pixs2, pixs2, 0xff, 0xff, 50);
pixBlendGray(pixs1, pixs1, pixs2, 200, 100, fract,
L_BLEND_GRAY, 1, 0xff);
pixBlendGray(pixs1, pixs1, pixs2, 200, 200, fract,
L_BLEND_GRAY, 1, 0xff);
pixBlendGray(pixs1, pixs1, pixs2, 200, 260, fract,
L_BLEND_GRAY, 1, 0xff);
pixBlendGray(pixs1, pixs1, pixs2, 200, 340, fract,
L_BLEND_GRAY, 1, 0xff);
pixWrite(fileout, pixs1, IFF_JFIF_JPEG);
pixDisplay(pixs1, 200, 200);
#endif
#if 0 /* e.g., weasel8.png with fract = 0.5 */
pixSnapColor(pixs2, pixs2, 0xff, 0xff, 50);
pixBlendGray(pixs1, pixs1, pixs2, 200, 100, fract,
L_BLEND_GRAY_WITH_INVERSE, 1, 0xff);
pixBlendGray(pixs1, pixs1, pixs2, 200, 200, fract,
L_BLEND_GRAY_WITH_INVERSE, 1, 0xff);
pixBlendGray(pixs1, pixs1, pixs2, 200, 260, fract,
L_BLEND_GRAY_WITH_INVERSE, 1, 0xff);
pixBlendGray(pixs1, pixs1, pixs2, 200, 340, fract,
L_BLEND_GRAY_WITH_INVERSE, 1, 0xff);
pixWrite(fileout, pixs1, IFF_JFIF_JPEG);
pixDisplay(pixs1, 200, 200);
#endif
#if 0 /* e.g., weasel32.png with fract = 0.2 */
pixSnapColor(pixs2, pixs2, 0xffffff00, 0xffffff00, 50);
pixBlendColor(pixs1, pixs1, pixs2, 200, 100, fract, 1, 0xffffff00);
pixBlendColor(pixs1, pixs1, pixs2, 200, 200, fract, 1, 0xffffff00);
pixBlendColor(pixs1, pixs1, pixs2, 200, 260, fract, 1, 0xffffff00);
pixBlendColor(pixs1, pixs1, pixs2, 200, 340, fract, 1, 0xffffff00);
pixWrite(fileout, pixs1, IFF_JFIF_JPEG);
pixDisplay(pixs1, 200, 200);
#endif
pixDestroy(&pixs1);
pixDestroy(&pixs2);
exit(0);
}
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