[772] | 1 | /* ------------------------ */ |
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| 2 | /* --- ecc_generation.c --- */ |
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| 3 | /* ------------------------ */ |
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| 4 | |
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| 5 | #include <stdio.h> |
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| 6 | #include <stdlib.h> |
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| 7 | #include <math.h> |
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| 8 | |
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| 9 | |
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| 10 | #ifdef CLI |
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| 11 | #include "nrc_os_config.h" |
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| 12 | #include "nrc.h" |
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| 13 | #endif |
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| 14 | |
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| 15 | |
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| 16 | #include "lutNR.h" // pour conversion 0,1 <-> 0,255 |
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| 17 | |
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| 18 | #include "ecc_common.h" |
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| 19 | #include "ecc_features.h" |
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| 20 | |
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| 21 | #include "mt19937.h" // Mersenne Twister generator |
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| 22 | #include "ecc_generation.h" |
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| 23 | |
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| 24 | // ------------------------------------------------------------------------------------------------------------------------- |
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| 25 | void generate_granularity_density_float(uint8 **X, int i0, int i1, int j0, int j1, int granularity, float density, int seed) |
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| 26 | // ------------------------------------------------------------------------------------------------------------------------- |
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| 27 | { |
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| 28 | uint8 x; |
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| 29 | int i, j; |
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| 30 | int di, dj; |
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| 31 | |
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| 32 | double r; |
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| 33 | |
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| 34 | //srand(seed); // pour toujours generer les meme sequences |
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| 35 | init_genrand(seed); |
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| 36 | |
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| 37 | for(i=i0; i<=i1; i+=granularity) { |
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| 38 | for(j=j0; j<=j1; j+=granularity) { |
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| 39 | |
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| 40 | //r = 100.0*(double)rand() / rmax; |
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| 41 | //r = 100.0*(double)rand() / rmax; |
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| 42 | r = 100.0*(double)genrand_real2(); |
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| 43 | if(r <= density) x = 1; else x = 0; |
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| 44 | |
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| 45 | for(di=0; di<granularity; di++) { |
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| 46 | for(dj=0; dj<granularity; dj++) { |
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| 47 | if ((i+di<=i1) && (j+dj<=j1)) X[i+di][j+dj] = x; |
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| 48 | } // dj |
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| 49 | } // di |
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| 50 | |
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| 51 | } //j |
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| 52 | } // i |
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| 53 | } |
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| 54 | // --------------------------------------------------------------------------------------------------------------------- |
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| 55 | void generate_granularity_density_int(uint8 **X, int i0, int i1, int j0, int j1, int granularity, int density, int seed) |
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| 56 | // --------------------------------------------------------------------------------------------------------------------- |
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| 57 | { |
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| 58 | generate_granularity_density_float(X, i0, i1, j0, j1, granularity, (float) density, seed); |
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| 59 | } |
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[777] | 60 | // --------------------------------------------------------------------------------------------------------- |
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| 61 | void generate_granularity_density_name(char *name, int granularity, int density, char *filename, int maxlen) |
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| 62 | // --------------------------------------------------------------------------------------------------------- |
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[772] | 63 | { |
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[777] | 64 | snprintf(filename, maxlen, "%s_%02d_%03d.pgm", name, granularity, density); |
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[772] | 65 | } |
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[777] | 66 | // ------------------------------------------------------------------------------------------------------------------------------ |
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| 67 | void generate_granularity_density_ext_name(char *name, int granularity, int density, char *extension, char *filename, int maxlen) |
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| 68 | // ------------------------------------------------------------------------------------------------------------------------------ |
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[772] | 69 | { |
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[777] | 70 | snprintf(filename, maxlen, "%s_%02d_%03d.%s", name, granularity, density, extension); |
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[772] | 71 | } |
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[777] | 72 | // ------------------------------------------------------------------------------------------------------------------------ |
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| 73 | void generate_size_granularity_density_name(char *name, int size, int granularity, int density, char *filename, int maxlen) |
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| 74 | // ------------------------------------------------------------------------------------------------------------------------ |
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[772] | 75 | { |
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[777] | 76 | snprintf(filename, maxlen, "%s_%d_%02d_%03d.pgm", name, size, granularity, density); |
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[772] | 77 | } |
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[777] | 78 | // --------------------------------------------------------------------------------------------------------------------------------------------- |
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| 79 | void generate_size_granularity_density_ext_name(char *name, int size, int granularity, int density, char *extension, char *filename, int maxlen) |
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| 80 | // --------------------------------------------------------------------------------------------------------------------------------------------- |
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[772] | 81 | { |
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[777] | 82 | snprintf(filename, maxlen, "%s_%d_%02d_%03d.%s", name, size, granularity, density, extension); |
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[772] | 83 | } |
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[777] | 84 | // --------------------------------------------------------------------------------------------------- |
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| 85 | void generate_size_granularity_name(char *name, int size, int granularity, char *filename, int maxlen) |
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| 86 | // --------------------------------------------------------------------------------------------------- |
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[772] | 87 | { |
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[777] | 88 | snprintf(filename, maxlen, "%s_%d_%02d.pgm", name, size, granularity); |
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| 89 | }// ----------------------------------------------------------------------------------------- |
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| 90 | void generate_name100(char *name, int granularity, float density, char *filename, int maxlen) |
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| 91 | // ------------------------------------------------------------------------------------------ |
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[772] | 92 | { |
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| 93 | // density en pourcentage: 0:100 |
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| 94 | // mais aussi <1, par exe 0.01 |
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| 95 | int d = (int) ceil(100 * density); |
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[777] | 96 | snprintf(filename, maxlen, "%s_%02d_%05d.pgm", name, granularity, d); |
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[772] | 97 | } |
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| 98 | // ---------------------------------------- |
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| 99 | int test_generation(int argc, char* argv[]) |
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| 100 | // ---------------------------------------- |
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| 101 | { |
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| 102 | uint8 **X; |
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| 103 | uint8 **X255; |
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| 104 | char filename[32]; |
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| 105 | |
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| 106 | int n = 1024; |
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| 107 | int border = 2; |
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| 108 | |
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| 109 | int d; // density |
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| 110 | int dmin = 5; |
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| 111 | int dmax = 95; |
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| 112 | int dstep = 5; |
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| 113 | |
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| 114 | int g; // granularity |
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| 115 | int gmin = 1; |
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| 116 | int gmax = 16; |
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| 117 | |
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| 118 | int seed = 0; |
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| 119 | |
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| 120 | n = 256; |
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| 121 | n = 2048; |
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| 122 | n = 4096; |
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| 123 | |
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| 124 | X = ui8matrix(0-border, n-1+border, 0-border, n-1+border); |
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| 125 | X255 = ui8matrix(0-border, n-1+border, 0-border, n-1+border); |
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| 126 | |
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| 127 | for(g=gmin; g<=gmax; g*=2) { |
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| 128 | for(d=dmin; d<=dmax; d+=dstep) { |
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| 129 | generate_granularity_density_int(X, 0, n-1, 0, n-1, g, d, seed); |
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[777] | 130 | generate_granularity_density_name("I", g, d, filename, 32); |
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[772] | 131 | printf(filename); |
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| 132 | bin2gray_ui8matrix(X, 0, n-1, 0, n-1, X255); |
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| 133 | SavePGM_ui8matrix(X255, 0, n-1, 0, n-1, filename); |
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| 134 | } |
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| 135 | } |
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| 136 | free_ui8matrix(X, 0-border, n-1+border, 0-border, n-1+border); |
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| 137 | free_ui8matrix(X255, 0-border, n-1+border, 0-border, n-1+border); |
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| 138 | |
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| 139 | return 0; |
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| 140 | } |
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| 141 | // ----------------------------------------- |
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| 142 | void hline(uint8 **X, int i, int j0, int j1) |
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| 143 | // ----------------------------------------- |
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| 144 | { |
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| 145 | int j; |
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| 146 | for(j=j0; j<=j1; j++) X[i][j] = 1; |
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| 147 | } |
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| 148 | // ----------------------------------------- |
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| 149 | void vline(uint8 **X, int i0, int i1, int j) |
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| 150 | // ----------------------------------------- |
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| 151 | { |
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| 152 | int i; |
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| 153 | for(i=i0; i<=i1; i++) X[i][j] = 1; |
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| 154 | } |
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| 155 | // ----------------------------------------------------------- |
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| 156 | void draw_rectangle(uint8 **X, int i0, int i1, int j0, int j1) |
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| 157 | // ----------------------------------------------------------- |
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| 158 | { |
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| 159 | hline(X, i0, j0, j1); |
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| 160 | vline(X, i0, i1, j0); |
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| 161 | vline(X, i0, i1, j1); |
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| 162 | hline(X, i1, j0, j1); |
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| 163 | } |
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| 164 | // -------------------------------------------------- |
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| 165 | void spirale_simple(uint8 **X, int height, int width) |
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| 166 | // -------------------------------------------------- |
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| 167 | { |
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| 168 | int i0, j0; // point de depart haut |
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| 169 | int i1, j1; //point de depart haut |
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| 170 | int c, nc; // nombre de carres |
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| 171 | int n; //min(height, width) |
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| 172 | |
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| 173 | zero_ui8matrix(X, 0, height-1, 0, width-1); |
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| 174 | |
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| 175 | if(height<width) { |
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| 176 | n = height; |
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| 177 | } else { |
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| 178 | n = width; |
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| 179 | } |
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| 180 | |
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| 181 | // sans correction |
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| 182 | |
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| 183 | |
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| 184 | // avec correction |
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| 185 | i0 = 0; i1 = 2*(n/2)-1; |
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| 186 | j0 = 0; j1 = 2*(n/2)-1; |
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| 187 | |
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| 188 | nc = n / 4; |
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| 189 | |
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| 190 | for(c=0; c<nc; c++) { |
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| 191 | draw_rectangle(X, i0+2*c, i1-2*c, j0+2*c, j1-2*c); |
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| 192 | X[1+2*c ][0+2*c ] = 0; |
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| 193 | X[1+2*c+1][0+2*c+1] = 1; |
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| 194 | } |
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| 195 | |
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| 196 | // centre |
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| 197 | //X[n/2][n/2] = 1; |
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| 198 | for(c=i0+2*nc; c<=i1-2*nc; c++) { |
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| 199 | hline(X, c, j0+2*nc, j1-2*nc); |
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| 200 | } |
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| 201 | } |
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| 202 | // -------------------------------------------------- |
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| 203 | void spirale_double(uint8 **X, int height, int width) |
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| 204 | // -------------------------------------------------- |
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| 205 | { |
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| 206 | int i0, j0; // point de depart haut |
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| 207 | int i1, j1; //point de depart haut |
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| 208 | int c, nc; // nombre de carres |
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| 209 | int n; //min(height, width) |
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| 210 | |
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| 211 | zero_ui8matrix(X, 0, height-1, 0, width-1); |
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| 212 | |
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| 213 | if(height<width) { |
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| 214 | n = height; |
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| 215 | } else { |
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| 216 | n = width; |
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| 217 | } |
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| 218 | |
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| 219 | // correction |
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| 220 | //n = ((n-1) & (~0x3))+1; |
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| 221 | |
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| 222 | i0 = 0; i1 = 2*(n/2)-1; |
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| 223 | j0 = 0; j1 = 2*(n/2)-1; |
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| 224 | |
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| 225 | nc = n / 4; |
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| 226 | |
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| 227 | for(c=0; c<nc; c++) { |
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| 228 | draw_rectangle(X, i0+2*c, i1-2*c, j0+2*c, j1-2*c); |
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| 229 | } |
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| 230 | for(c=0; c<nc; c++) { |
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| 231 | X[(i0+1)+(2*c )][(j0)+(2*c )] = 0; |
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| 232 | X[(i0+1)+(2*c+1)][(j0)+(2*c+1)] = 1; |
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| 233 | |
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| 234 | X[(i1-1)-(2*c )][(j1)-(2*c )] = 0; |
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| 235 | X[(i1-1)-(2*c+1)][(j1)-(2*c+1)] = 1; |
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| 236 | } |
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| 237 | // centre |
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| 238 | //X[n/2][n/2] = 1; |
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| 239 | for(c=i0+2*nc; c<=i1-2*nc; c++) { |
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| 240 | hline(X, c, j0+2*nc, j1-2*nc); |
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| 241 | } |
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| 242 | } |
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| 243 | // ------------------------ |
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| 244 | void routine_spirale(int n) |
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| 245 | // ------------------------ |
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| 246 | { |
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| 247 | uint8 **X; |
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| 248 | uint8 **X255; |
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| 249 | char filename[128]; |
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| 250 | //char *ptr = (char*) filename; |
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| 251 | |
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| 252 | int h, w; |
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| 253 | h = w = n; |
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| 254 | |
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| 255 | X = ui8matrix(0, h-1, 0, w-1); |
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| 256 | X255 = ui8matrix(0, h-1, 0, w-1); |
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| 257 | |
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[777] | 258 | snprintf(filename, 128, "spirale_simple_%d.pgm", n); |
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[772] | 259 | spirale_simple(X, h, w); |
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| 260 | bin2gray_ui8matrix(X, 0, h-1, 0, w-1, X255); |
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| 261 | SavePGM_ui8matrix(X255, 0, h-1, 0, w-1, filename); |
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| 262 | |
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[777] | 263 | snprintf(filename, 128, "spirale_double_%d.pgm", n); |
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[772] | 264 | spirale_double(X, h, w); |
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| 265 | bin2gray_ui8matrix(X, 0, h-1, 0, w-1, X255); |
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| 266 | SavePGM_ui8matrix(X255, 0, h-1, 0, w-1, filename);/**/ |
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| 267 | |
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| 268 | free_ui8matrix(X, 0, h-1, 0, w-1); |
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| 269 | free_ui8matrix(X255, 0, h-1, 0, w-1); |
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| 270 | } |
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| 271 | // -------------------------------------- |
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| 272 | void test_spirale(int argc, char* argv[]) |
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| 273 | // -------------------------------------- |
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| 274 | { |
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| 275 | routine_spirale(128); |
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| 276 | routine_spirale(127); |
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| 277 | routine_spirale(126); |
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| 278 | routine_spirale(125); |
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| 279 | |
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| 280 | routine_spirale(256); |
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| 281 | routine_spirale(512); |
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| 282 | routine_spirale(1024); |
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| 283 | } |
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| 284 | // -------------------------------------------- |
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| 285 | int test_generation_HGH(int argc, char* argv[]) |
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| 286 | // -------------------------------------------- |
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| 287 | { |
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| 288 | uint8 **X; |
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| 289 | uint8 **X255; |
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| 290 | char filename[32]; |
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| 291 | |
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| 292 | int h = 1280; |
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| 293 | int w = 90*1024; |
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| 294 | |
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| 295 | int border = 2; |
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| 296 | |
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| 297 | float d = 0.01; // density |
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| 298 | int g = 4; // granularity |
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| 299 | |
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| 300 | int seed = 0; |
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| 301 | |
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| 302 | //w = h; |
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| 303 | |
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| 304 | X = ui8matrix(0-border, h-1+border, 0-border, w-1+border); |
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| 305 | X255 = ui8matrix(0-border, h-1+border, 0-border, w-1+border); |
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| 306 | |
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| 307 | generate_granularity_density_float(X, 0, h-1, 0, w-1, g, d, seed); |
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[777] | 308 | generate_granularity_density_name("HGH", g, d, filename, 32); |
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[772] | 309 | printf(filename); |
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| 310 | bin2gray_ui8matrix(X, 0, h-1, 0, w-1, X255); |
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| 311 | SavePGM_ui8matrix(X255, 0, h-1, 0, w-1, filename); |
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| 312 | |
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| 313 | free_ui8matrix(X, 0-border, h-1+border, 0-border, w-1+border); |
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| 314 | free_ui8matrix(X255, 0-border, h-1+border, 0-border, w-1+border); |
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| 315 | |
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| 316 | return 0; |
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| 317 | } |
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| 318 | // -------------------------------------------- |
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| 319 | int image_analysis_2014(int argc, char* argv[]) |
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| 320 | // -------------------------------------------- |
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| 321 | { |
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| 322 | // uint8 **X; |
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| 323 | // uint8 **X255; |
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| 324 | |
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| 325 | // char filename[32]; |
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| 326 | |
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| 327 | // uint32 **E32; //algo pixel |
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| 328 | // uint32 **E4; // algo LSL |
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| 329 | |
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| 330 | // uint32 *T, *A; // tables equivalence |
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| 331 | |
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| 332 | // // Label *label; |
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| 333 | |
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| 334 | // uint32 nemax = NEMAX; |
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| 335 | |
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| 336 | // int neamax = nemax; |
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| 337 | // int ncmax = 10; |
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| 338 | |
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| 339 | // int n = 1024; |
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| 340 | // int height, width; |
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| 341 | // int border = 2; |
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| 342 | // long i0, i1, j0, j1; |
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| 343 | |
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| 344 | // int d; // density |
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| 345 | // int dmin = 1; |
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| 346 | // int dmax = 99; |
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| 347 | // int dstep = 1; |
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| 348 | |
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| 349 | // int g; // granularity |
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| 350 | // int gmin = 1; |
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| 351 | // int gmax = 2; |
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| 352 | // int seed = 1; |
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| 353 | |
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| 354 | // uint32 na; |
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| 355 | // uint32 np_pixel, ne_pixel, na_pixel; |
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| 356 | // uint32 ns_segment, ne_segment, na_segment; |
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| 357 | // uint32 nb_step, nb_concavity; |
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| 358 | |
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| 359 | // n = 256; |
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| 360 | // n = 1024; |
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| 361 | // //n = 2048; |
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| 362 | // X = ui8matrix(0-border, n-1+border, 0-border, n-1+border); |
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| 363 | // X255 = ui8matrix(0-border, n-1+border, 0-border, n-1+border); |
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| 364 | |
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| 365 | // i0 = 0; i1 = n-1; j0 = 0; j1 = n-1; |
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| 366 | // height = n; width = n; |
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| 367 | |
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| 368 | // E32 = ui32matrix(i0-border, i1+border, j0-border, j1+border); |
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| 369 | // E4 = ui32matrix(i0-border, i1+border, j0-border, j1+border); |
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| 370 | // zero_ui32matrix(E32, i0-border, i1+border, j0-border, j1+border); |
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| 371 | // zero_ui32matrix(E4, i0-border, i1+border, j0-border, j1+border); |
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| 372 | |
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| 373 | // T = ui32vector(0, nemax); |
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| 374 | // A = ui32vector(0, nemax); |
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| 375 | |
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| 376 | // initT(T, nemax); |
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| 377 | // initT(A, nemax); |
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| 378 | |
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| 379 | // // label = Label_pConstructor_Empty(); |
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| 380 | // // Label_Set_ImageB(label, X); |
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| 381 | // // Label_Set_ImageL(label, E4); |
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| 382 | |
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| 383 | // // Label_Set_Parameters (label, width, height, neamax, ncmax); |
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| 384 | // // Label_Set_AlgorithmicParameters(label, 32, 8, LABEL_STDZ, LABEL_SELKOW); |
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| 385 | // // Label_Set_Optimisation(label, LABEL_RLEZ); |
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| 386 | // // Label_Initialize(label); |
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| 387 | // //Label_Enable_SecondLabeling(label); |
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| 388 | |
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| 389 | // printf("image %d x %d\n", n, n); |
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| 390 | |
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| 391 | // for(g=gmin; g<=gmax; g*=2) { |
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| 392 | |
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| 393 | // printf("----------------\n"); |
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| 394 | // printf("granulariry = %d\n", g); |
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| 395 | // printf("----------------\n"); |
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| 396 | |
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| 397 | // printf("%3s", "d"); |
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| 398 | |
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| 399 | // printf("%8s", "np"); |
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| 400 | // printf("%8s", "ne"); |
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| 401 | // printf("%8s", "na"); |
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| 402 | |
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| 403 | // printf("%6s", ""); |
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| 404 | |
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| 405 | // printf("%8s", "ns"); |
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| 406 | // printf("%8s", "ne"); |
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| 407 | // printf("%8s", "na"); |
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| 408 | |
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| 409 | // printf("%6s", ""); |
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| 410 | |
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| 411 | // printf("%8s", "nc"); |
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| 412 | // printf("%8s", "ns"); |
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| 413 | |
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| 414 | // printf(""); |
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| 415 | |
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| 416 | // for(d=dmin; d<=dmax; d+=dstep) { |
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| 417 | |
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| 418 | // zero_ui8matrix(X, 0, n-1, 0, n-1); |
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| 419 | // zero_ui32matrix(E32, 0, n-1, 0, n-1); |
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| 420 | // zero_ui32matrix(E4, 0, n-1, 0, n-1); |
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| 421 | // initT(T, nemax); |
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| 422 | // initT(A, nemax); |
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| 423 | // //printf("seed = %d\n", seed); |
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| 424 | // generate_granularity_density_int(X, 0, n-1, 0, n-1, g, d, seed); |
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| 425 | |
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| 426 | // //na = Rosenfeld_Analysis_8C(X, height, width, E32, T, A, nemax, Stats); |
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| 427 | // na = Rosenfeld_Analysis_8C(X, height, width, E32, T, A, nemax, &np_pixel, &ne_pixel, &na_pixel); |
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| 428 | // //Label32_Rosenfeld8_Features_SPEED(label); |
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| 429 | |
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| 430 | // ns_segment = label->ns; |
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| 431 | // ne_segment = label->nea; |
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| 432 | // na_segment = label->na; |
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| 433 | |
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| 434 | // nb_concavity = ne_segment - na_segment; |
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| 435 | // nb_step = ne_pixel - ne_segment; |
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| 436 | |
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| 437 | // printf("%3d", d); |
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| 438 | |
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| 439 | // printf("%8d", np_pixel); |
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| 440 | // printf("%8d", ne_pixel); |
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| 441 | // printf("%8d", na_pixel); |
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| 442 | |
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| 443 | // printf("%6s", ""); |
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| 444 | |
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| 445 | // printf("%8d", ns_segment); |
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| 446 | // printf("%8d", ne_segment); |
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| 447 | // printf("%8d", na_segment); |
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| 448 | |
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| 449 | // printf("%6s", ""); |
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| 450 | |
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| 451 | // printf("%8d", nb_concavity); |
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| 452 | // printf("%8d", nb_step); |
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| 453 | |
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| 454 | // printf(""); |
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| 455 | // } |
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| 456 | // printf(""); |
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| 457 | // } |
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| 458 | // free_ui8matrix(X, 0-border, n-1+border, 0-border, n-1+border); |
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| 459 | // free_ui8matrix(X255, 0-border, n-1+border, 0-border, n-1+border); |
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| 460 | |
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| 461 | return 0; |
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| 462 | } |
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| 463 | // -------------------------- |
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| 464 | void test_generation_mt(void) |
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| 465 | // -------------------------- |
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| 466 | { |
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| 467 | int i, n = 32; |
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| 468 | |
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| 469 | printf("---------------------------"); |
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| 470 | printf("-- test_mersenne_twister --"); |
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| 471 | printf("---------------------------"); |
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| 472 | |
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| 473 | |
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| 474 | init_genrand(0); |
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| 475 | for(i=0; i<n; i++) { |
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| 476 | printf("%10lu ", genrand_int32()); |
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| 477 | if (i%8==7) printf("\n"); |
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| 478 | } |
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| 479 | printf("\n---"); |
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| 480 | |
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| 481 | init_genrand(1); |
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| 482 | for(i=0; i<n; i++) { |
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| 483 | printf("%10lu ", genrand_int32()); |
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| 484 | if (i%8==7) printf("\n"); |
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| 485 | } |
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| 486 | printf("\n---"); |
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| 487 | |
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| 488 | init_genrand(0); |
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| 489 | for(i=0; i<n; i++) { |
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| 490 | printf("%10lu ", genrand_int32()); |
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| 491 | if (i%8==7) printf("\n"); |
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| 492 | } |
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| 493 | printf("\n---"); |
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| 494 | |
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| 495 | init_genrand(1); |
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| 496 | for(i=0; i<n; i++) { |
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| 497 | printf("%10lu ", genrand_int32()); |
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| 498 | if (i%8==7) printf("\n"); |
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| 499 | } |
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| 500 | } |
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| 501 | // ------------------------------------- |
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| 502 | void image_zoom2(int argc, char *argv[]) |
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| 503 | // ------------------------------------- |
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| 504 | { |
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| 505 | uint8 x, **X, **Y; |
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| 506 | int i, j, i0, i1, j0, j1; |
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| 507 | int height, width; |
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| 508 | char *src_filename; |
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| 509 | char *dst_filename; |
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| 510 | |
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| 511 | if(argc<3) { |
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| 512 | printf("too few arguments"); |
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| 513 | printf("%s src.pgm dst.pgm\n", argv[0]); |
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| 514 | return; |
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| 515 | } |
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| 516 | |
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| 517 | src_filename = argv[1]; |
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| 518 | dst_filename = argv[2]; |
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| 519 | |
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| 520 | X = LoadPGM_ui8matrix(src_filename, &i0, &i1, &j0, &j1); |
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| 521 | |
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| 522 | height = i1-i0+1; |
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| 523 | width = j1-j0+1; |
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| 524 | |
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| 525 | printf("width = %d height = %d\n", width, height); |
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| 526 | |
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| 527 | Y = ui8matrix(0, 2*height-1, 0, 2*width-1); |
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| 528 | |
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| 529 | for(i=0; i<=height-1; i++) { |
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| 530 | for(j=0; j<=width-1; j++) { |
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| 531 | x = X[i][j]; |
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| 532 | Y[2*i+0][2*j+0] = x; Y[2*i+0][2*j+1] = x; |
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| 533 | Y[2*i+1][2*j+0] = x; Y[2*i+1][2*j+1] = x; |
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| 534 | } |
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| 535 | } |
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| 536 | SavePGM_ui8matrix(Y, 0, 2*height-1, 0, 2*width-1, dst_filename); |
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| 537 | |
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| 538 | free_ui8matrix(X, 0, height-1, 0, width-1); |
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| 539 | free_ui8matrix(Y, 0, 2*height-1, 0, 2*width-1); |
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| 540 | } |
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| 541 | // -------------------------------------------- |
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| 542 | void image_duplication2(int argc, char *argv[]) |
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| 543 | // -------------------------------------------- |
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| 544 | { |
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| 545 | uint8 x, **X, **Y; |
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| 546 | int i, j, i0, i1, j0, j1; |
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| 547 | int height, width; |
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| 548 | char *src_filename; |
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| 549 | char *dst_filename; |
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| 550 | |
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| 551 | if (argc < 3) { |
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| 552 | printf("too few arguments"); |
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| 553 | printf("%s src.pgm dst.pgm\n", argv[0]); |
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| 554 | return; |
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| 555 | } |
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| 556 | |
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| 557 | src_filename = argv[1]; |
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| 558 | dst_filename = argv[2]; |
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| 559 | |
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| 560 | X = LoadPGM_ui8matrix(src_filename, &i0, &i1, &j0, &j1); |
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| 561 | |
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| 562 | height = i1-i0+1; |
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| 563 | width = j1-j0+1; |
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| 564 | |
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| 565 | printf("width = %d height = %d\n", width, height); |
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| 566 | |
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| 567 | Y = ui8matrix(0, 2*height-1, 0, 2*width-1); |
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| 568 | |
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| 569 | // horizontal duplication |
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| 570 | for(i=0; i<=height-1; i++) { |
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| 571 | for(j=0; j<=width-1; j++) { |
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| 572 | x = X[i][j]; |
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| 573 | Y[i][width+j] = x; |
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| 574 | } |
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| 575 | } |
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| 576 | |
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| 577 | // vertical duplication |
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| 578 | for(i=0; i<=height-1; i++) { |
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| 579 | for(j=0; j<=2*width-1; j++) { |
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| 580 | x = X[i][j]; |
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| 581 | Y[height+i][j] = x; |
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| 582 | } |
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| 583 | } |
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| 584 | SavePGM_ui8matrix(Y, 0, 2*height-1, 0, 2*width-1, dst_filename); |
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| 585 | |
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| 586 | free_ui8matrix(X, 0, height-1, 0, width-1); |
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| 587 | free_ui8matrix(Y, 0, 2*height-1, 0, 2*width-1); |
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| 588 | } |
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