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Member "ocre-0.029/ocre/src/algor.c" of archive ocre_v0_029.tgz:
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1
2 #include "base.h"
3 #include "imag.h"
4 //#include "segmenta.h"
5 #include "segmenta0.h"
6
7 void algor (timagf *nimag, tvent vent, int delHor, int delVer)
8 {
9 timagf imaga;
10 int delDer, delIzq, delArriba, delAbajo;
11 int tx, ty;
12 char ** pix;
13 char ** pixn;
14 int umbral;
15 int x, y, xx, yy;
16 char oscuro = 120;
17 char claro = 230;
18 tx = vent->tx ;
19 ty = vent->ty ;
20 delDer = delHor ;
21 delIzq = delHor ;
22 delArriba = delVer ;
23 delAbajo = delVer ;
24 /*
25 umbral = umbralDeVent (vent, 60);
26 */
27 umbral = 140;
28 creaImagenPlana (&imaga, 177, tx, ty);
29 pix = vent->pix ;
30 pixn = imaga->ven0->pix ;
31 for (y=0; y < ty; y++) {
32 xx = 0;
33 for (x=0; x < tx; x++) {
34 if ((pix[y][x] & 0xFF) < umbral)
35 for (; (xx < tx) & ((xx - x) <= delDer); xx++)
36 pixn [y][xx] = oscuro ;
37 else
38 if ((x - xx) > delIzq) {
39 pixn [y][xx] = claro ; /* orden ? */
40 xx ++;
41 }
42 }
43 for (; xx < tx; xx++ )
44 pixn [y][xx] = claro ;
45 }
46 for (x=0; x < tx; x++) {
47 yy = 0;
48 for (y=0; y < ty; y++) {
49 if ((pix[y][x] & 0xFF) < umbral)
50 for (; (yy < ty) & ((yy - y) <= delAbajo); yy++)
51 ;
52 else
53 if ((y - yy) > delArriba) {
54 pixn [yy][x] = claro ; /* orden ? */
55 yy ++;
56 }
57 }
58 for (; yy < ty; yy++ )
59 pixn [yy][x] = claro ;
60 }
61 *nimag = imaga;
62 }
63
64 void algor2 (timagf *nimag, tvent vent, int delHor, int delVer)
65 {
66 timagf imaga;
67 int delDer, delIzq, delArriba, delAbajo;
68 int tx, ty;
69 char ** pix;
70 char ** pixn;
71 int umbral;
72 int x, y, xx, yy;
73 char oscuro = 120;
74 char claro = 230;
75 int anteriorClaro ; /* boolean */
76 int ultimoOscuro ;
77 tx = vent->tx ;
78 ty = vent->ty ;
79 /*
80 umbral = umbralDeVent (vent, 60);
81 */
82 umbral = 140;
83 creaImagenPlana (&imaga, 177, tx, ty);
84 pix = vent->pix ;
85 pixn = imaga->ven0->pix ;
86 for (y=0; y < ty; y++) {
87 anteriorClaro = TRUE ;
88 ultimoOscuro = - delHor ;
89 for (x=0; x < tx; x++) {
90 if ((pix[y][x] & 0xFF) < umbral) {
91 if (anteriorClaro) {
92 if ((x - ultimoOscuro) <= delHor) {
93 for (xx = ultimoOscuro+1; xx < x; xx++)
94 pixn [y][xx] = oscuro ;
95 }
96 else
97 for (xx = ultimoOscuro+1; xx < x; xx++)
98 pixn [y][xx] = claro ;
99 }
100 pixn [y][x] = oscuro ;
101 ultimoOscuro = x ;
102 anteriorClaro = FALSE ;
103 }
104 else
105 anteriorClaro = TRUE ;
106 }
107 if (anteriorClaro)
108 for (xx = max(ultimoOscuro+1,0) ; xx < tx; xx++ )
109 pixn [y][xx] = claro ;
110 }
111 /**/
112 for (x=0; x < tx; x++) {
113 anteriorClaro = TRUE ;
114 ultimoOscuro = - delVer ;
115 for (y=0; y < ty; y++) {
116 if ((pix[y][x] & 0xFF) < umbral) {
117 if (anteriorClaro)
118 if ((y - ultimoOscuro) <= delVer)
119 x = x;
120 else
121 for (yy = ultimoOscuro+1; yy < y; yy++)
122 pixn [yy][x] = claro ;
123 ultimoOscuro = y ;
124 anteriorClaro = FALSE ;
125 }
126 else
127 anteriorClaro = TRUE ;
128 }
129 if (anteriorClaro)
130 for (yy = max(ultimoOscuro+1,0) ; yy < ty; yy++ )
131 pixn [yy][x] = claro ;
132 }
133 /**/
134 *nimag = imaga;
135 }