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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.
*====================================================================*/
/*
* rotateorthtest1.c
*
* Tests and timings for 90 and 180 degree rotations
* rotateorthtest1 filein fileout [direction]
* where
* direction = 1 for cw; -1 for ccw
*/
#ifdef HAVE_CONFIG_H
#include <config_auto.h>
#endif /* HAVE_CONFIG_H */
#include "allheaders.h"
#define NTIMES 10
int main(int argc,
char **argv)
{
l_int32 dir;
PIX *pixs, *pixd, *pixt;
l_float32 pops;
char *filein, *fileout;
static char mainName[] = "rotateorthtest1";
if (argc != 3 && argc != 4)
return ERROR_INT(" Syntax: rotateorthtest1 filein fileout [direction]",
mainName, 1);
filein = argv[1];
fileout = argv[2];
if (argc == 4)
dir = atoi(argv[3]);
else
dir = 1;
setLeptDebugOK(1);
if ((pixs = pixRead(filein)) == NULL)
return ERROR_INT("pix not made", mainName, 1);
/* Do a single operation */
#if 1
pixd = pixRotate90(pixs, dir);
#elif 0
pixd = pixRotate180(NULL, pixs);
#elif 0
pixd = pixRotateLR(NULL, pixs);
#elif 0
pixd = pixRotateTB(NULL, pixs);
#endif
/* Time rotate 90, allocating & destroying each time */
#if 0
startTimer();
w = pixGetWidth(pixs);
h = pixGetHeight(pixs);
for (i = 0; i < NTIMES; i++) {
pixd = pixRotate90(pixs, dir);
pixDestroy(&pixd);
}
pops = (l_float32)(w * h * NTIMES) / stopTimer();
lept_stderr("MPops for 90 rotation: %7.3f\n", pops / 1000000.);
pixd = pixRotate90(pixs, dir);
#endif
/* Time rotate 180, with no alloc/destroy */
#if 0
startTimer();
w = pixGetWidth(pixs);
h = pixGetHeight(pixs);
pixd = pixCreateTemplate(pixs);
for (i = 0; i < NTIMES; i++)
pixRotate180(pixd, pixs);
pops = (l_float32)(w * h * NTIMES) / stopTimer();
lept_stderr("MPops for 180 rotation: %7.3f\n", pops / 1000000.);
#endif
/* Test rotate 180 not in-place */
#if 0
pixt = pixRotate180(NULL, pixs);
pixd = pixRotate180(NULL, pixt);
pixEqual(pixs, pixd, &eq);
if (eq) lept_stderr("2 rots gives I\n");
else lept_stderr("2 rots fail to give I\n");
pixDestroy(&pixt);
#endif
/* Test rotate 180 in-place */
#if 0
pixd = pixCopy(NULL, pixs);
pixRotate180(pixd, pixd);
pixRotate180(pixd, pixd);
pixEqual(pixs, pixd, &eq);
if (eq) lept_stderr("2 rots gives I\n");
else lept_stderr("2 rots fail to give I\n");
#endif
/* Mix rotate 180 with LR/TB */
#if 0
pixd = pixRotate180(NULL, pixs);
pixRotateLR(pixd, pixd);
pixRotateTB(pixd, pixd);
pixEqual(pixs, pixd, &eq);
if (eq) lept_stderr("180 rot OK\n");
else lept_stderr("180 rot error\n");
#endif
if (pixGetDepth(pixd) < 8)
pixWrite(fileout, pixd, IFF_PNG);
else
pixWrite(fileout, pixd, IFF_JFIF_JPEG);
pixDestroy(&pixs);
pixDestroy(&pixd);
return 0;
}
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