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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.
*====================================================================*/
/*
* equal_reg.c
*
* Tests the pixEqual() function in many situations.
*
* This also tests the quantization of grayscale and color
* images (to generate a colormapped image), and removal of
* the colormap to either RGB or grayscale.
*/
#include <stdio.h>
#include <stdlib.h>
#include "allheaders.h"
/* use this set */
#define FEYN1 "feyn.tif" /* 1 bpp */
#define DREYFUS2 "dreyfus2.png" /* 2 bpp cmapped */
#define DREYFUS4 "dreyfus4.png" /* 4 bpp cmapped */
#define DREYFUS8 "dreyfus8.png" /* 8 bpp cmapped */
#define KAREN8 "karen8.jpg" /* 8 bpp, not cmapped */
#define MARGE32 "marge.jpg" /* rgb */
main(int argc,
char **argv)
{
l_int32 errorfound, same, nerrors;
PIX *pixs, *pixt1, *pixt2, *pixt3, *pixt4;
static char mainName[] = "equal_reg";
if (argc != 1)
exit(ERROR_INT(" Syntax: equal_reg", mainName, 1));
errorfound = FALSE;
pixs = pixRead(FEYN1);
pixWrite("junkfeyn", pixs, IFF_BMP);
pixt1 = pixRead("junkfeyn");
pixEqual(pixs, pixt1, &same);
if (same)
L_INFO("equal for feyn1", mainName);
else {
L_INFO("FAILURE for equal for feyn1", mainName);
errorfound = TRUE;
}
pixDestroy(&pixs);
pixDestroy(&pixt1);
pixs = pixRead(DREYFUS2);
pixt1 = pixRemoveColormap(pixs, REMOVE_CMAP_BASED_ON_SRC);
pixWrite("junkdrey2-1", pixt1, IFF_PNG);
pixt2 = pixRemoveColormap(pixs, REMOVE_CMAP_TO_FULL_COLOR);
pixWrite("junkdrey2-2", pixt2, IFF_PNG);
pixt3 = pixOctreeQuant(pixt2, 64, 1);
pixWrite("junkdrey2-3", pixt3, IFF_PNG);
pixt4 = pixConvertRGBToColormap(pixt2, 2, &nerrors);
fprintf(stderr, " ... %d pixels not exactly converted\n", nerrors);
pixWrite("junkdrey2-4", pixt4, IFF_PNG);
pixEqual(pixs, pixt1, &same);
if (same)
L_INFO("equal for pixt1 of dreyfus2", mainName);
else {
L_INFO("FAILURE for pixt1 of dreyfus2", mainName);
errorfound = TRUE;
}
pixEqual(pixs, pixt2, &same);
if (same)
L_INFO("equal for pixt2 of dreyfus2", mainName);
else {
L_INFO("FAILURE for pixt2 of dreyfus2", mainName);
errorfound = TRUE;
}
pixEqual(pixs, pixt3, &same);
if (same)
L_INFO("equal for pixt3 of dreyfus2", mainName);
else {
L_INFO("FAILURE for pixt3 of dreyfus2", mainName);
errorfound = TRUE;
}
pixEqual(pixs, pixt4, &same);
if (same)
L_INFO("equal for pixt4 of dreyfus2", mainName);
else {
L_INFO("FAILURE for pixt4 of dreyfus2", mainName);
errorfound = TRUE;
}
pixDestroy(&pixs);
pixDestroy(&pixt1);
pixDestroy(&pixt2);
pixDestroy(&pixt3);
pixDestroy(&pixt4);
pixs = pixRead(DREYFUS4);
pixt1 = pixRemoveColormap(pixs, REMOVE_CMAP_BASED_ON_SRC);
pixWrite("junkdrey4-1", pixt1, IFF_PNG);
pixt2 = pixRemoveColormap(pixs, REMOVE_CMAP_TO_FULL_COLOR);
pixWrite("junkdrey4-2", pixt2, IFF_PNG);
pixt3 = pixOctreeQuant(pixt2, 256, 1);
pixWrite("junkdrey4-3", pixt3, IFF_PNG);
pixt4 = pixConvertRGBToColormap(pixt2, 3, &nerrors);
fprintf(stderr, " ... %d pixels not exactly converted\n", nerrors);
pixWrite("junkdrey4-4", pixt4, IFF_PNG);
pixEqual(pixs, pixt1, &same);
if (same)
L_INFO("equal for pixt1 of dreyfus4", mainName);
else {
L_INFO("FAILURE for pixt1 of dreyfus4", mainName);
errorfound = TRUE;
}
pixEqual(pixs, pixt2, &same);
if (same)
L_INFO("equal for pixt2 of dreyfus4", mainName);
else {
L_INFO("FAILURE for pixt2 of dreyfus4", mainName);
errorfound = TRUE;
}
pixEqual(pixs, pixt3, &same);
if (same)
L_INFO("equal for pixt3 of dreyfus4", mainName);
else {
L_INFO("FAILURE for pixt3 of dreyfus4", mainName);
errorfound = TRUE;
}
pixEqual(pixs, pixt4, &same);
if (same)
L_INFO("equal for pixt4 of dreyfus4", mainName);
else {
L_INFO("FAILURE for pixt4 of dreyfus4", mainName);
errorfound = TRUE;
}
pixDestroy(&pixs);
pixDestroy(&pixt1);
pixDestroy(&pixt2);
pixDestroy(&pixt3);
pixDestroy(&pixt4);
pixs = pixRead(DREYFUS8);
pixt1 = pixRemoveColormap(pixs, REMOVE_CMAP_BASED_ON_SRC);
pixWrite("junkdrey8-1", pixt1, IFF_PNG);
pixt2 = pixRemoveColormap(pixs, REMOVE_CMAP_TO_FULL_COLOR);
pixWrite("junkdrey8-2", pixt2, IFF_PNG);
pixt3 = pixConvertRGBToColormap(pixt2, 6, &nerrors);
fprintf(stderr, " ... %d pixels not exactly converted\n", nerrors);
pixWrite("junkdrey8-3", pixt3, IFF_PNG);
pixEqual(pixs, pixt1, &same);
if (same)
L_INFO("equal for pixt1 of dreyfus8", mainName);
else {
L_INFO("FAILURE for pixt1 of dreyfus8", mainName);
errorfound = TRUE;
}
pixEqual(pixs, pixt2, &same);
if (same)
L_INFO("equal for pixt2 of dreyfus8", mainName);
else {
L_INFO("FAILURE for pixt2 of dreyfus8", mainName);
errorfound = TRUE;
}
pixDestroy(&pixs);
pixDestroy(&pixt1);
pixDestroy(&pixt2);
pixDestroy(&pixt3);
pixs = pixRead(KAREN8);
pixt1 = pixThresholdTo4bpp(pixs, 16, 1);
pixWrite("junkkar8-1", pixt1, IFF_PNG);
pixt2 = pixRemoveColormap(pixt1, REMOVE_CMAP_BASED_ON_SRC);
pixWrite("junkkar8-2", pixt2, IFF_PNG);
pixt3 = pixRemoveColormap(pixt1, REMOVE_CMAP_TO_FULL_COLOR);
pixWrite("junkkar8-3", pixt3, IFF_PNG);
pixt4 = pixConvertRGBToColormap(pixt3, 4, &nerrors);
fprintf(stderr, " ... %d pixels not exactly converted\n", nerrors);
pixEqual(pixt1, pixt2, &same);
if (same)
L_INFO("equal for pixt2 of karen8", mainName);
else {
L_INFO("FAILURE for pixt2 of karen8", mainName);
errorfound = TRUE;
}
pixEqual(pixt1, pixt3, &same);
if (same)
L_INFO("equal for pixt3 of karen8", mainName);
else {
L_INFO("FAILURE for pixt3 of karen8", mainName);
errorfound = TRUE;
}
pixEqual(pixt1, pixt4, &same);
if (same)
L_INFO("equal for pixt4 of karen8", mainName);
else {
L_INFO("FAILURE for pixt4 of karen8", mainName);
errorfound = TRUE;
}
pixDestroy(&pixs);
pixDestroy(&pixt1);
pixDestroy(&pixt2);
pixDestroy(&pixt3);
pixDestroy(&pixt4);
pixs = pixRead(MARGE32);
pixt1 = pixOctreeQuant(pixs, 32, 0);
pixWrite("junkmarge8-1", pixt1, IFF_PNG);
pixt2 = pixRemoveColormap(pixt1, REMOVE_CMAP_TO_FULL_COLOR);
pixWrite("junkmarge8-2", pixt2, IFF_PNG);
pixt3 = pixConvertRGBToColormap(pixt2, 4, &nerrors);
fprintf(stderr, " ... %d pixels not exactly converted\n", nerrors);
pixWrite("junkmarge8-3", pixt3, IFF_PNG);
pixt4 = pixOctreeQuant(pixt2, 64, 0);
pixWrite("junkmarge8-4", pixt4, IFF_PNG);
pixEqual(pixt1, pixt2, &same);
if (same)
L_INFO("equal for pixt2 of marge32", mainName);
else {
L_INFO("FAILURE for pixt2 of marge32", mainName);
errorfound = TRUE;
}
pixEqual(pixt1, pixt3, &same);
if (same)
L_INFO("equal for pixt3 of marge32", mainName);
else {
L_INFO("FAILURE for pixt3 of marge32", mainName);
errorfound = TRUE;
}
pixEqual(pixt1, pixt4, &same);
if (same)
L_INFO("equal for pixt4 of marge32", mainName);
else {
L_INFO("FAILURE for pixt4 of marge32", mainName);
errorfound = TRUE;
}
pixDestroy(&pixs);
pixDestroy(&pixt1);
pixDestroy(&pixt2);
pixDestroy(&pixt3);
pixDestroy(&pixt4);
if (errorfound)
L_INFO("FAILURE in processing this test", mainName);
else
L_INFO("SUCCESS in processing this test", mainName);
exit(0);
}
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