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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.
*====================================================================*/
/*
* rotateorth_reg.c
*
* Regression test for all rotateorth functions
*/
#include "allheaders.h"
#define BINARY_IMAGE "test1.png"
#define FOUR_BPP_IMAGE "weasel4.8g.png"
#define GRAYSCALE_IMAGE "test8.jpg"
#define COLORMAP_IMAGE "dreyfus8.png"
#define RGB_IMAGE "marge.jpg"
void RotateOrthTest(PIX *pix, L_REGPARAMS *rp);
int main(int argc,
char **argv)
{
PIX *pixs;
L_REGPARAMS *rp;
if (regTestSetup(argc, argv, &rp))
return 1;
lept_stderr("\nTest binary image:\n");
pixs = pixRead(BINARY_IMAGE);
RotateOrthTest(pixs, rp);
pixDestroy(&pixs);
lept_stderr("\nTest 4 bpp colormapped image:\n");
pixs = pixRead(FOUR_BPP_IMAGE);
RotateOrthTest(pixs, rp);
pixDestroy(&pixs);
lept_stderr("\nTest grayscale image:\n");
pixs = pixRead(GRAYSCALE_IMAGE);
RotateOrthTest(pixs, rp);
pixDestroy(&pixs);
lept_stderr("\nTest colormap image:\n");
pixs = pixRead(COLORMAP_IMAGE);
RotateOrthTest(pixs, rp);
pixDestroy(&pixs);
lept_stderr("\nTest rgb image:\n");
pixs = pixRead(RGB_IMAGE);
RotateOrthTest(pixs, rp);
pixDestroy(&pixs);
return regTestCleanup(rp);
}
void
RotateOrthTest(PIX *pixs,
L_REGPARAMS *rp)
{
l_int32 zero, count;
PIX *pixt, *pixd;
/* Test 4 successive 90 degree rotations */
pixt = pixRotate90(pixs, 1);
pixd = pixRotate90(pixt, 1);
pixDestroy(&pixt);
pixt = pixRotate90(pixd, 1);
pixDestroy(&pixd);
pixd = pixRotate90(pixt, 1);
pixDestroy(&pixt);
regTestComparePix(rp, pixs, pixd);
pixXor(pixd, pixd, pixs);
pixZero(pixd, &zero);
if (zero) {
lept_stderr("OK. Four 90-degree rotations gives I\n");
} else {
pixCountPixels(pixd, &count, NULL);
lept_stderr("Failure for four 90-degree rots; count = %d\n", count);
}
pixDestroy(&pixd);
/* Test 2 successive 180 degree rotations */
pixt = pixRotate180(NULL, pixs);
pixRotate180(pixt, pixt);
regTestComparePix(rp, pixs, pixt);
pixXor(pixt, pixt, pixs);
pixZero(pixt, &zero);
if (zero) {
lept_stderr("OK. Two 180-degree rotations gives I\n");
} else {
pixCountPixels(pixt, &count, NULL);
lept_stderr("Failure for two 180-degree rots; count = %d\n", count);
}
pixDestroy(&pixt);
/* Test 2 successive LR flips */
pixt = pixFlipLR(NULL, pixs);
pixFlipLR(pixt, pixt);
regTestComparePix(rp, pixs, pixt);
pixXor(pixt, pixt, pixs);
pixZero(pixt, &zero);
if (zero) {
lept_stderr("OK. Two LR flips gives I\n");
} else {
pixCountPixels(pixt, &count, NULL);
lept_stderr("Failure for two LR flips; count = %d\n", count);
}
pixDestroy(&pixt);
/* Test 2 successive TB flips */
pixt = pixFlipTB(NULL, pixs);
pixFlipTB(pixt, pixt);
regTestComparePix(rp, pixs, pixt);
pixXor(pixt, pixt, pixs);
pixZero(pixt, &zero);
if (zero) {
lept_stderr("OK. Two TB flips gives I\n");
} else {
pixCountPixels(pixt, &count, NULL);
lept_stderr("Failure for two TB flips; count = %d\n", count);
}
pixDestroy(&pixt);
return;
}
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