1 /*====================================================================*
2 - Copyright (C) 2001 Leptonica. All rights reserved.
3 -
4 - Redistribution and use in source and binary forms, with or without
5 - modification, are permitted provided that the following conditions
6 - are met:
7 - 1. Redistributions of source code must retain the above copyright
8 - notice, this list of conditions and the following disclaimer.
9 - 2. Redistributions in binary form must reproduce the above
10 - copyright notice, this list of conditions and the following
11 - disclaimer in the documentation and/or other materials
12 - provided with the distribution.
13 -
14 - THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
15 - ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
16 - LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
17 - A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL ANY
18 - CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
19 - EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
20 - PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
21 - PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
22 - OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
23 - NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
24 - SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
25 *====================================================================*/
26
27 /*
28 * runlengthtest.c
29 *
30 * Set 1 tests the runlength and 1-component dynamic range transform.
31 * Set 2 tests the 3-component (rgb) dynamic range transform.
32 */
33
34 #include "allheaders.h"
35
main(int argc,char ** argv)36 int main(int argc,
37 char **argv)
38 {
39 l_float32 avediff, rmsdiff;
40 PIX *pix1, *pix2, *pix3, *pix4, *pix5, *pix6, *pix7;
41 static char mainName[] = "runlengthtest";
42
43 if (argc != 1)
44 return ERROR_INT(" Syntax: runlengthtest", mainName, 1);
45
46 setLeptDebugOK(1);
47 lept_mkdir("lept/run");
48
49 /* Set 1 */
50 startTimer();
51 pix1 = pixRead("rabi.png");
52 pix2 = pixRunlengthTransform(pix1, 0, L_HORIZONTAL_RUNS, 8);
53 pix3 = pixRunlengthTransform(pix1, 0, L_VERTICAL_RUNS, 8);
54 pix4 = pixMinOrMax(NULL, pix2, pix3, L_CHOOSE_MIN);
55 pix5 = pixMaxDynamicRange(pix4, L_LOG_SCALE);
56 pix6 = pixMinOrMax(NULL, pix2, pix3, L_CHOOSE_MAX);
57 pix7 = pixMaxDynamicRange(pix6, L_LOG_SCALE);
58 fprintf(stderr, "Time for set 1: %7.3f sec\n", stopTimer());
59 pixDisplay(pix2, 0, 0);
60 pixDisplay(pix3, 600, 0);
61 pixDisplay(pix4, 1200, 0);
62 pixDisplay(pix5, 1800, 0);
63 pixDisplay(pix6, 1200, 0);
64 pixDisplay(pix7, 1800, 0);
65 pixWrite("/tmp/lept/run/pixh.png", pix2, IFF_PNG);
66 pixWrite("/tmp/lept/run/pixv.png", pix3, IFF_PNG);
67 pixWrite("/tmp/lept/run/pixmin.png", pix4, IFF_PNG);
68 pixWrite("/tmp/lept/run/pixminlog.png", pix5, IFF_PNG);
69 pixWrite("/tmp/lept/run/pixmax.png", pix6, IFF_PNG);
70 pixWrite("/tmp/lept/run/pixmaxlog.png", pix7, IFF_PNG);
71 pixDestroy(&pix1);
72 pixDestroy(&pix2);
73 pixDestroy(&pix3);
74 pixDestroy(&pix4);
75 pixDestroy(&pix5);
76 pixDestroy(&pix6);
77 pixDestroy(&pix7);
78
79 /* Set 2 */
80 startTimer();
81 pix1 = pixRead("test24.jpg");
82 pixWriteJpeg("/tmp/lept/run/junk24.jpg", pix1, 5, 0);
83 pix2 = pixRead("/tmp/lept/run/junk24.jpg");
84 pixCompareGrayOrRGB(pix1, pix2, L_COMPARE_ABS_DIFF, GPLOT_PNG,
85 NULL, &avediff, &rmsdiff, &pix3);
86 fprintf(stderr, "Ave diff = %6.3f, RMS diff = %6.3f\n", avediff, rmsdiff);
87 pix4 = pixMaxDynamicRangeRGB(pix3, L_LINEAR_SCALE);
88 pix5 = pixMaxDynamicRangeRGB(pix3, L_LOG_SCALE);
89 fprintf(stderr, "Time for set 2: %7.3f sec\n", stopTimer());
90 pixDisplay(pix4, 0, 800);
91 pixDisplay(pix5, 1000, 800);
92 pixWrite("/tmp/lept/run/linear.png", pix4, IFF_PNG);
93 pixWrite("/tmp/lept/run/log.png", pix5, IFF_PNG);
94
95 pixDestroy(&pix1);
96 pixDestroy(&pix2);
97 pixDestroy(&pix3);
98 pixDestroy(&pix4);
99 pixDestroy(&pix5);
100
101 return 0;
102 }
103
