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 * translate_reg.c
29 *
30 * Regression test for in-place translation
31 */
32
33 #include "allheaders.h"
34
35 #define BINARY_IMAGE "test1.png"
36 #define GRAYSCALE_IMAGE "test8.jpg"
37 #define FOUR_BPP_IMAGE "weasel4.8g.png"
38 #define COLORMAP_IMAGE "dreyfus8.png"
39 #define RGB_IMAGE "marge.jpg"
40
41 void TranslateAndSave1(PIXA *pixa, l_int32 depth, PIX *pix,
42 l_int32 xshift, l_int32 yshift);
43
44 void TranslateAndSave2(PIXA *pixa, PIX *pix, l_int32 xshift, l_int32 yshift);
45
46
main(int argc,char ** argv)47 int main(int argc,
48 char **argv)
49 {
50 BOX *box;
51 PIX *pixs, *pixd;
52 PIX *pix1, *pix2, *pix3, *pix4, *pix5, *pix6, *pix7;
53 PIXA *pixa;
54 L_REGPARAMS *rp;
55
56 if (regTestSetup(argc, argv, &rp))
57 return 1;
58
59 /* Set up images */
60 pix1 = pixRead("weasel2.4c.png");
61 pix2 = pixScaleBySampling(pix1, 3.0, 3.0);
62 box = boxCreate(0, 0, 209, 214);
63 pixs = pixClipRectangle(pix2, box, NULL);
64 pixDestroy(&pix1);
65 pixDestroy(&pix2);
66 boxDestroy(&box);
67 pix1 = pixRemoveColormap(pixs, REMOVE_CMAP_TO_GRAYSCALE);
68 pix2 = pixRemoveColormap(pixs, REMOVE_CMAP_TO_FULL_COLOR);
69 pix3 = pixConvertTo1(pixs, 128);
70 pix4 = pixRotateAM(pix1, 0.25, L_BRING_IN_BLACK);
71 pix5 = pixRotateAM(pix1, -0.25, L_BRING_IN_WHITE);
72 pix6 = pixRotateAM(pix2, -0.15, L_BRING_IN_BLACK);
73 pix7 = pixRotateAM(pix2, +0.15, L_BRING_IN_WHITE);
74
75 pixa = pixaCreate(0);
76 TranslateAndSave1(pixa, 32, pixs, 30, 30);
77 TranslateAndSave1(pixa, 32, pix1, 35, 20);
78 TranslateAndSave1(pixa, 32, pix2, 20, 35);
79 TranslateAndSave1(pixa, 32, pix3, 20, 35);
80 pixd = pixaDisplayOnColor(pixa, 0, 0, 0x44aaaa00);
81 regTestWritePixAndCheck(rp, pixd, IFF_PNG); /* 0 */
82 pixDisplayWithTitle(pixd, 0, 0, "trans0", rp->display);
83 pixDestroy(&pixd);
84 pixaDestroy(&pixa);
85
86 pixa = pixaCreate(0);
87 TranslateAndSave1(pixa, 8, pix1, 35, 20);
88 TranslateAndSave1(pixa, 8, pix4, 35, 20);
89 pixd = pixaDisplayOnColor(pixa, 0, 0, 0x44);
90 regTestWritePixAndCheck(rp, pixd, IFF_PNG); /* 1 */
91 pixDisplayWithTitle(pixd, 250, 0, "trans1", rp->display);
92 pixDestroy(&pixd);
93 pixaDestroy(&pixa);
94
95 pixa = pixaCreate(0);
96 TranslateAndSave2(pixa, pixs, 30, 30);
97 TranslateAndSave2(pixa, pix1, 30, 30);
98 TranslateAndSave2(pixa, pix2, 35, 20);
99 TranslateAndSave2(pixa, pix3, 20, 35);
100 TranslateAndSave2(pixa, pix4, 25, 25);
101 TranslateAndSave2(pixa, pix5, 25, 25);
102 TranslateAndSave2(pixa, pix6, 25, 25);
103 TranslateAndSave2(pixa, pix7, 25, 25);
104 pixd = pixaDisplayTiledInRows(pixa, 32, 1200, 1.0, 0, 30, 3);
105 regTestWritePixAndCheck(rp, pixd, IFF_PNG); /* 2 */
106 pixDisplayWithTitle(pixd, 500, 0, "trans2", rp->display);
107 pixDestroy(&pixd);
108 pixaDestroy(&pixa);
109
110 pixDestroy(&pixs);
111 pixDestroy(&pix1);
112 pixDestroy(&pix2);
113 pixDestroy(&pix3);
114 pixDestroy(&pix4);
115 pixDestroy(&pix5);
116 pixDestroy(&pix6);
117 pixDestroy(&pix7);
118 return regTestCleanup(rp);
119 }
120
121
122 void
TranslateAndSave1(PIXA * pixa,l_int32 depth,PIX * pix,l_int32 xshift,l_int32 yshift)123 TranslateAndSave1(PIXA *pixa,
124 l_int32 depth,
125 PIX *pix,
126 l_int32 xshift,
127 l_int32 yshift)
128 {
129 PIX *pix1, *pix2, *pix3, *pix4;
130
131 pix1 = pixTranslate(NULL, pix, xshift, yshift, L_BRING_IN_WHITE);
132 pix2 = pixTranslate(NULL, pix, xshift, yshift, L_BRING_IN_BLACK);
133 pix3 = pixTranslate(NULL, pix, -xshift, -yshift, L_BRING_IN_WHITE);
134 pix4 = pixTranslate(NULL, pix, -xshift, -yshift, L_BRING_IN_BLACK);
135 pixSaveTiled(pix1, pixa, 1.0, 1, 25, depth);
136 pixSaveTiled(pix2, pixa, 1.0, 0, 25, depth);
137 pixSaveTiled(pix3, pixa, 1.0, 0, 25, depth);
138 pixSaveTiled(pix4, pixa, 1.0, 0, 25, depth);
139 pixDestroy(&pix1);
140 pixDestroy(&pix2);
141 pixDestroy(&pix3);
142 pixDestroy(&pix4);
143 return;
144 }
145
146 void
TranslateAndSave2(PIXA * pixa,PIX * pix,l_int32 xshift,l_int32 yshift)147 TranslateAndSave2(PIXA *pixa,
148 PIX *pix,
149 l_int32 xshift,
150 l_int32 yshift)
151 {
152 PIX *pix1, *pix2, *pix3, *pix4;
153
154 pix1 = pixTranslate(NULL, pix, xshift, yshift, L_BRING_IN_WHITE);
155 pix2 = pixTranslate(NULL, pix, xshift, yshift, L_BRING_IN_BLACK);
156 pix3 = pixTranslate(NULL, pix, -xshift, -yshift, L_BRING_IN_WHITE);
157 pix4 = pixTranslate(NULL, pix, -xshift, -yshift, L_BRING_IN_BLACK);
158 pixaAddPix(pixa, pix1, L_INSERT);
159 pixaAddPix(pixa, pix2, L_INSERT);
160 pixaAddPix(pixa, pix3, L_INSERT);
161 pixaAddPix(pixa, pix4, L_INSERT);
162 return;
163 }
164