1 | /* ---------------- */ |
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2 | /* --- nrio2f.c --- */ |
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3 | /* ---------------- */ |
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4 | |
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5 | /* |
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6 | * Copyright (c) 2000-2014, Lionel Lacassagne, All rights reserved |
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7 | * Univ Paris Sud XI, CNRS |
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8 | * |
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9 | * Distributed under the Boost Software License, Version 1.0 |
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10 | * see accompanying file LICENSE.txt or copy it at |
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11 | * http://www.boost.org/LICENSE_1_0.txt |
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12 | */ |
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13 | |
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14 | #include <stdio.h> |
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15 | #include <stddef.h> |
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16 | #include <stdlib.h> |
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17 | #include <string.h> |
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18 | #include <ctype.h> |
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19 | |
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20 | #include "nrc_os_config.h" |
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21 | #include "mypredef.h" |
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22 | #include "nrtype.h" |
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23 | #include "nrdef.h" |
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24 | #include "nrmacro.h" |
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25 | #include "nrkernel.h" |
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26 | |
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27 | #include "nralloc1.h" |
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28 | #include "nralloc2.h" |
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29 | #include "nrio0.h" |
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30 | #include "nrio1.h" |
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31 | #include "nrio2.h" |
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32 | |
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33 | /* |
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34 | * -------------------- |
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35 | * --- write_matrix --- |
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36 | * -------------------- |
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37 | */ |
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38 | |
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39 | #undef write_type_matrix |
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40 | #define write_type_matrix(t) \ |
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41 | void short_name(t,write_,matrix)(t ** m, int32_t nrl, int32_t nrh, int32_t ncl, int32_t nch, char * format, char * filename) \ |
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42 | { \ |
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43 | FILE * f = fopen(filename, "wt"); \ |
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44 | if (f == NULL) { \ |
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45 | nrerror("Can't open file %s in %s", filename, __func__); \ |
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46 | } \ |
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47 | for (int32_t i = nrl; i <= nrh; i++) { \ |
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48 | for (int32_t j = ncl; j <= nch; j++) { \ |
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49 | fprintf(f, format, elem); \ |
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50 | } \ |
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51 | fprintf(f, "\n"); \ |
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52 | } \ |
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53 | fclose(f); \ |
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54 | } |
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55 | |
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56 | #undef elem |
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57 | #define elem m[i][j] |
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58 | write_type_matrix(int8_t); |
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59 | write_type_matrix(uint8_t); |
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60 | write_type_matrix(int16_t); |
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61 | write_type_matrix(uint16_t); |
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62 | write_type_matrix(int32_t); |
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63 | write_type_matrix(uint32_t); |
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64 | write_type_matrix(int64_t); |
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65 | write_type_matrix(uint64_t); |
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66 | write_type_matrix(float); |
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67 | write_type_matrix(double); |
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68 | #undef elem |
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69 | #define elem m[i][j].r, m[i][j].g, m[i][j].b |
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70 | write_type_matrix(rgb8); |
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71 | #undef elem |
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72 | #define elem m[i][j].r, m[i][j].g, m[i][j].b, m[i][j].x |
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73 | write_type_matrix(rgbx8); |
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74 | |
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75 | |
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76 | /* |
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77 | * ---------------------- |
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78 | * --- write_matrix_T --- |
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79 | * ---------------------- |
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80 | */ |
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81 | |
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82 | |
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83 | #undef write_type_matrix_T |
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84 | #define write_type_matrix_T(t) \ |
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85 | void short_name(t,write_,matrix_T)(t ** m, int32_t nrl, int32_t nrh, int32_t ncl, int32_t nch, char * format, char * filename) \ |
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86 | { \ |
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87 | FILE * f = fopen(filename, "wt"); \ |
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88 | if (f == NULL) { \ |
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89 | nrerror("Can't open file %s in %s", filename, __func__); \ |
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90 | } \ |
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91 | for (int32_t j = ncl; j <= nch; j++) { \ |
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92 | for (int32_t i = nrl; i <= nrh; i++) { \ |
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93 | fprintf(f, format, elem); \ |
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94 | } \ |
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95 | fprintf(f, "\n"); \ |
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96 | } \ |
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97 | fclose(f); \ |
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98 | } |
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99 | |
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100 | #undef elem |
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101 | #define elem m[i][j] |
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102 | write_type_matrix_T(int8_t); |
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103 | write_type_matrix_T(uint8_t); |
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104 | write_type_matrix_T(int16_t); |
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105 | write_type_matrix_T(uint16_t); |
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106 | write_type_matrix_T(int32_t); |
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107 | write_type_matrix_T(uint32_t); |
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108 | write_type_matrix_T(int64_t); |
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109 | write_type_matrix_T(uint64_t); |
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110 | write_type_matrix_T(float); |
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111 | write_type_matrix_T(double); |
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112 | #undef elem |
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113 | #define elem m[i][j].r, m[i][j].g, m[i][j].b |
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114 | write_type_matrix_T(rgb8); |
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115 | #undef elem |
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116 | #define elem m[i][j].r, m[i][j].g, m[i][j].b, m[i][j].x |
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117 | write_type_matrix_T(rgbx8); |
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118 | |
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119 | |
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120 | |
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121 | /* |
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122 | * --------------------------- |
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123 | * --- write_matrix_number --- |
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124 | * --------------------------- |
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125 | */ |
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126 | |
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127 | |
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128 | #undef write_type_matrix_number |
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129 | #define write_type_matrix_number(t) \ |
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130 | void short_name(t,write_,matrix_number)(t ** m, int32_t nrl, int32_t nrh, int32_t ncl, int32_t nch, char * format, char * filename) \ |
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131 | { \ |
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132 | FILE * f = fopen(filename, "wt"); \ |
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133 | if (f == NULL) { \ |
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134 | nrerror("Can't open file %s in %s", filename, __func__); \ |
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135 | } \ |
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136 | fprintf(f, "%5c", '#'); \ |
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137 | for (int32_t j = ncl; j <= nch; j++) { \ |
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138 | fprintf(f, format, j); \ |
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139 | } \ |
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140 | fprintf(f, "\n"); \ |
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141 | for (int32_t i = nrl; i <= nrh; i++) { \ |
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142 | fprintf(f, "[%3d]", i); \ |
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143 | for (int32_t j = ncl; j <= nch; j++) { \ |
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144 | fprintf(f, format, m[i][j]); \ |
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145 | } \ |
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146 | fprintf(f, "\n"); \ |
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147 | } \ |
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148 | fclose(f); \ |
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149 | } |
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150 | |
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151 | |
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152 | #undef elem |
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153 | #define elem m[i][j] |
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154 | write_type_matrix_number(int8_t); |
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155 | write_type_matrix_number(uint8_t); |
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156 | write_type_matrix_number(int16_t); |
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157 | write_type_matrix_number(uint16_t); |
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158 | write_type_matrix_number(int32_t); |
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159 | write_type_matrix_number(uint32_t); |
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160 | write_type_matrix_number(int64_t); |
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161 | write_type_matrix_number(uint64_t); |
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162 | write_type_matrix_number(float); |
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163 | write_type_matrix_number(double); |
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164 | #undef elem |
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165 | #define elem m[i][j].r, m[i][j].g, m[i][j].b |
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166 | write_type_matrix_number(rgb8); |
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167 | #undef elem |
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168 | #define elem m[i][j].r, m[i][j].g, m[i][j].b, m[i][j].x |
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169 | write_type_matrix_number(rgbx8); |
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170 | |
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171 | |
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172 | /* |
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173 | * ----------------------------- |
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174 | * --- write_matrix_T_number --- |
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175 | * ----------------------------- |
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176 | */ |
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177 | |
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178 | |
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179 | #undef write_type_matrix_T_number |
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180 | #define write_type_matrix_T_number(t) \ |
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181 | void short_name(t,write_,matrix_T_number)(t ** m, int32_t nrl, int32_t nrh, int32_t ncl, int32_t nch, char * format, char * filename) \ |
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182 | { \ |
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183 | FILE * f = fopen(filename, "wt"); \ |
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184 | if (f == NULL) { \ |
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185 | nrerror("Can't open file %s in %s", filename, __func__); \ |
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186 | } \ |
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187 | fprintf(f, "%5c", '#'); \ |
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188 | for (int32_t i = nrl; i <= nrh; i++) { \ |
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189 | fprintf(f, format, i); \ |
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190 | } \ |
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191 | fprintf(f, "\n"); \ |
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192 | for (int32_t j = ncl; j <= nch; j++) { \ |
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193 | fprintf(f, "[%3d]", j); \ |
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194 | for (int32_t i = nrl; i <= nrh; i++) { \ |
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195 | fprintf(f, format, m[i][j]); \ |
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196 | } \ |
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197 | fprintf(f, "\n"); \ |
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198 | } \ |
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199 | fclose(f); \ |
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200 | } |
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201 | |
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202 | |
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203 | #undef elem |
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204 | #define elem m[i][j] |
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205 | write_type_matrix_T_number(int8_t); |
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206 | write_type_matrix_T_number(uint8_t); |
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207 | write_type_matrix_T_number(int16_t); |
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208 | write_type_matrix_T_number(uint16_t); |
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209 | write_type_matrix_T_number(int32_t); |
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210 | write_type_matrix_T_number(uint32_t); |
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211 | write_type_matrix_T_number(int64_t); |
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212 | write_type_matrix_T_number(uint64_t); |
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213 | write_type_matrix_T_number(float); |
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214 | write_type_matrix_T_number(double); |
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215 | #undef elem |
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216 | #define elem m[i][j].r, m[i][j].g, m[i][j].b |
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217 | write_type_matrix_T_number(rgb8); |
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218 | #undef elem |
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219 | #define elem m[i][j].r, m[i][j].g, m[i][j].b, m[i][j].x |
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220 | write_type_matrix_T_number(rgbx8); |
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221 | |
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222 | |
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223 | /* |
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224 | * --------------------- |
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225 | * --- fwrite_matrix --- |
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226 | * --------------------- |
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227 | */ |
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228 | |
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229 | #undef fwrite_type_matrix |
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230 | #define fwrite_type_matrix(t) \ |
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231 | void short_name(t,fwrite_,matrix)(t ** m, int32_t nrl, int32_t nrh, int32_t ncl, int32_t nch, char * filename) \ |
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232 | { \ |
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233 | int32_t ncol = nch - ncl + 1; \ |
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234 | FILE * f = fopen(filename, "wb"); \ |
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235 | if (f == NULL) { \ |
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236 | nrerror("Can't open file %s in %s", filename, __func__); \ |
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237 | } \ |
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238 | for (int32_t i = nrl; i <= nrh; i++) { \ |
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239 | fwrite(m[i] + nrl, sizeof(t), ncol, f); \ |
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240 | } \ |
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241 | fclose(f); \ |
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242 | } |
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243 | |
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244 | fwrite_type_matrix(int8_t); |
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245 | fwrite_type_matrix(uint8_t); |
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246 | fwrite_type_matrix(int16_t); |
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247 | fwrite_type_matrix(uint16_t); |
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248 | fwrite_type_matrix(int32_t); |
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249 | fwrite_type_matrix(uint32_t); |
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250 | fwrite_type_matrix(int64_t); |
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251 | fwrite_type_matrix(uint64_t); |
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252 | fwrite_type_matrix(float); |
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253 | fwrite_type_matrix(double); |
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254 | fwrite_type_matrix(rgb8); |
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255 | fwrite_type_matrix(rgbx8); |
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256 | |
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257 | |
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258 | |
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259 | /* |
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260 | * -------------------- |
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261 | * --- fread_matrix --- |
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262 | * -------------------- |
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263 | */ |
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264 | |
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265 | #undef fread_type_matrix |
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266 | #define fread_type_matrix(t) \ |
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267 | void short_name(t,fread_,matrix)(char * filename, t ** m, int32_t nrl, int32_t nrh, int32_t ncl, int32_t nch) \ |
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268 | { \ |
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269 | int32_t ncol = nch - ncl + 1; \ |
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270 | int32_t nread; \ |
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271 | FILE * f = fopen(filename, "rb"); \ |
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272 | if (f == NULL) { \ |
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273 | nrerror("Can't open file %s in %s", filename, __func__); \ |
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274 | } \ |
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275 | for (int32_t i = nrl; i <= nrh; i++) { \ |
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276 | nread = fread(m[i] + ncl, sizeof(t), ncol, f); \ |
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277 | if (nread != ncol) { \ |
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278 | nrerror("%s : can't read data", __func__); \ |
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279 | } \ |
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280 | } \ |
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281 | fclose(f); \ |
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282 | } |
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283 | |
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284 | fread_type_matrix(int8_t); |
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285 | fread_type_matrix(uint8_t); |
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286 | fread_type_matrix(int16_t); |
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287 | fread_type_matrix(uint16_t); |
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288 | fread_type_matrix(int32_t); |
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289 | fread_type_matrix(uint32_t); |
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290 | fread_type_matrix(int64_t); |
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291 | fread_type_matrix(uint64_t); |
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292 | fread_type_matrix(float); |
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293 | fread_type_matrix(double); |
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294 | fread_type_matrix(rgb8); |
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295 | fread_type_matrix(rgbx8); |
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296 | |
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297 | |
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298 | |
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299 | #undef write_type_matrix_positive |
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300 | #define write_type_matrix_positive(t) \ |
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301 | void short_name(t,write_,matrix_positive)(t ** m, int32_t i0, int32_t i1, int32_t j0, int32_t j1, int32_t iformat, char * filename) \ |
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302 | { \ |
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303 | char * format; \ |
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304 | char * str; \ |
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305 | FILE * f; \ |
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306 | select_display_positive_parameters(iformat, &format, &str); \ |
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307 | f = fopen(filename, "wt"); \ |
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308 | if (f == NULL) { \ |
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309 | nrerror("Can't open file %s in %s", filename, __func__); \ |
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310 | } \ |
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311 | for (int32_t i = i0; i <= i1; i++) { \ |
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312 | for (int32_t j = j0; j <= j1; j++) { \ |
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313 | if (m[i][j] != 0) { \ |
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314 | fprintf(f, format, m[i][j]); \ |
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315 | } \ |
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316 | else { \ |
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317 | fprintf(f, "%s", str); \ |
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318 | } \ |
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319 | } \ |
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320 | fprintf(f, "\n"); \ |
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321 | } \ |
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322 | fclose(f); \ |
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323 | } |
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324 | |
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325 | write_type_matrix_positive(uint8_t); |
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326 | write_type_matrix_positive(uint16_t); |
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327 | write_type_matrix_positive(uint32_t); |
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328 | |
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329 | |
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330 | /* ------------------------ */ |
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331 | /* -- PGM IO for bmatrix -- */ |
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332 | /* ------------------------ */ |
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333 | |
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334 | |
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335 | /* ------------------------------------------ */ |
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336 | static char * readitem(FILE * file, char * buffer) |
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337 | /* ------------------------------------------ */ |
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338 | // read a word |
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339 | // public domain function: author is unknown |
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340 | { |
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341 | char * aux; |
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342 | int32_t k; |
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343 | |
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344 | k = 0; |
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345 | aux = buffer; |
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346 | while (!feof(file)) { |
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347 | *aux = fgetc(file); |
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348 | switch (k) { |
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349 | case 0: |
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350 | if (*aux == '#') { |
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351 | k = 1; |
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352 | } |
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353 | if (isalnum(*aux)) { |
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354 | k = 2; |
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355 | aux++; |
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356 | } |
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357 | break; |
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358 | case 1: |
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359 | if (*aux == 0xA) { |
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360 | k = 0; |
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361 | } |
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362 | break; |
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363 | case 2: |
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364 | if (!isalnum(*aux)) { |
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365 | *aux = 0; |
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366 | return buffer; |
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367 | } |
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368 | aux++; |
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369 | break; |
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370 | } |
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371 | } |
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372 | *aux = 0; |
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373 | return buffer; |
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374 | } |
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375 | |
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376 | /* ----------------------------------------------------- */ |
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377 | static void ReadPGMrow(FILE * file, int32_t width, uint8_t * line) |
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378 | /* ----------------------------------------------------- */ |
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379 | { |
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380 | // file is already open (in read) and will not be closed at the end |
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381 | fread(&(line[0]), sizeof(uint8_t), width, file); |
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382 | } |
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383 | |
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384 | |
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385 | /* ------------------------------------------------------- */ |
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386 | static void WritePGMrow(uint8_t * line, int32_t width, FILE * file) |
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387 | /* ------------------------------------------------------- */ |
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388 | { |
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389 | // file is already open (in read) and will not be closed at the end |
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390 | fwrite(&(line[0]), sizeof(uint8_t), width, file); |
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391 | } |
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392 | |
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393 | |
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394 | /* --------------------------------------------------------------------------------------- */ |
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395 | uint8_t ** LoadPGM_ui8matrix(char * filename, int32_t * nrl, int32_t * nrh, int32_t * ncl, int32_t * nch) |
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396 | /* --------------------------------------------------------------------------------------- */ |
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397 | { |
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398 | // only for P5 binary type, not for text type |
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399 | |
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400 | int32_t height, width, gris; |
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401 | uint8_t ** m; |
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402 | FILE * file; |
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403 | |
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404 | char * buffer; |
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405 | char msg[1024]; |
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406 | (void) gris; |
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407 | |
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408 | buffer = (char *) calloc(80, sizeof(char)); |
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409 | |
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410 | // open file |
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411 | file = fopen(filename, "rb"); |
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412 | if (file == NULL) { |
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413 | snprintf(msg, 1024, "ouverture du fichier %s impossible dans %s\n", filename, __func__); |
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414 | nrerror(msg); |
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415 | } |
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416 | |
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417 | // read PGM header |
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418 | readitem(file, buffer); |
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419 | if (strcmp(buffer, "P5") != 0) { |
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420 | nrerror("Entete du fichier %s invalide\n", filename); |
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421 | } |
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422 | |
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423 | width = atoi(readitem(file, buffer)); |
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424 | height = atoi(readitem(file, buffer)); |
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425 | gris = atoi(readitem(file, buffer)); |
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426 | |
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427 | *nrl = 0; |
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428 | *nrh = height - 1; |
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429 | *ncl = 0; |
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430 | *nch = width - 1; |
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431 | m = ui8matrix(*nrl, *nrh, *ncl, *nch); |
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432 | |
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433 | for(int32_t i = 0; i < height; i++) { |
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434 | ReadPGMrow(file, width, m[i]); |
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435 | } |
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436 | |
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437 | fclose(file); |
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438 | free(buffer); |
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439 | |
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440 | return m; |
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441 | } |
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442 | |
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443 | |
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444 | /* ----------------------------------------------------------------------------------------------- */ |
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445 | void LoadPGM_ui8matrix2(char * filename, int32_t * nrl, int32_t * nrh, int32_t * ncl, int32_t * nch, uint8_t ** m) |
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446 | /* ----------------------------------------------------------------------------------------------- */ |
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447 | { |
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448 | // only for P5 binary type, not for text type |
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449 | int32_t height, width, gris; |
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450 | FILE * file; |
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451 | |
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452 | char * buffer; |
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453 | char msg[1024]; |
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454 | (void) gris; |
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455 | |
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456 | buffer = (char *) calloc(80, sizeof(char)); |
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457 | /* ouverture du fichier */ |
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458 | file = fopen(filename, "rb"); |
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459 | if (file == NULL) { |
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460 | snprintf(msg, 1024, "ouverture du fichier %s impossible dans %s\n", filename, __func__); |
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461 | nrerror(msg); |
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462 | } |
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463 | |
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464 | /* lecture de l'entete du fichier pgm */ |
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465 | readitem(file, buffer); |
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466 | if (strcmp(buffer, "P5") != 0) { |
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467 | nrerror("Entete du fichier %s invalide\n", filename); |
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468 | } |
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469 | |
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470 | width = atoi(readitem(file, buffer)); |
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471 | height = atoi(readitem(file, buffer)); |
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472 | gris = atoi(readitem(file, buffer)); |
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473 | |
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474 | *nrl = 0; |
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475 | *nrh = height - 1; |
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476 | *ncl = 0; |
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477 | *nch = width - 1; |
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478 | |
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479 | for (int32_t i = 0; i < height; i++) { |
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480 | ReadPGMrow(file, width, m[i]); |
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481 | } |
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482 | |
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483 | fclose(file); |
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484 | free(buffer); |
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485 | } |
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486 | |
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487 | |
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488 | /* -------------------------------------------------------------------------------------------- */ |
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489 | void MLoadPGM_ui8matrix(char * filename, int32_t nrl, int32_t nrh, int32_t ncl, int32_t nch, uint8_t ** m) |
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490 | /* -------------------------------------------------------------------------------------------- */ |
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491 | { |
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492 | // only for P5 binary type, not for text type |
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493 | int32_t height, width, gris; |
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494 | FILE * file; |
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495 | |
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496 | char * buffer; |
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497 | char msg[1024]; |
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498 | (void) gris; |
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499 | |
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500 | buffer = (char *) calloc(80, sizeof(char)); |
---|
501 | /* ouverture du fichier */ |
---|
502 | file = fopen(filename, "rb"); |
---|
503 | if (file == NULL) { |
---|
504 | snprintf(msg, 1024, "ouverture du fichier %s impossible dans %s\n", filename, __func__); |
---|
505 | nrerror(msg); |
---|
506 | } |
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507 | |
---|
508 | /* lecture de l'entete du fichier pgm */ |
---|
509 | readitem(file, buffer); |
---|
510 | if (strcmp(buffer, "P5") != 0) { |
---|
511 | nrerror("Entete du fichier %s invalide\n", filename); |
---|
512 | } |
---|
513 | |
---|
514 | width = atoi(readitem(file, buffer)); |
---|
515 | height = atoi(readitem(file, buffer)); |
---|
516 | gris = atoi(readitem(file, buffer)); |
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517 | |
---|
518 | for (int32_t i = 0; i < height; i++) { |
---|
519 | ReadPGMrow(file, width, m[i]); |
---|
520 | } |
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521 | |
---|
522 | fclose(file); |
---|
523 | free(buffer); |
---|
524 | } |
---|
525 | |
---|
526 | |
---|
527 | /* ------------------------------------------------------------------------------------------ */ |
---|
528 | void SavePGM_ui8matrix(uint8_t ** m, int32_t nrl, int32_t nrh, int32_t ncl, int32_t nch, char * filename) |
---|
529 | /* ------------------------------------------------------------------------------------------ */ |
---|
530 | { |
---|
531 | int nrow = nrh - nrl + 1; |
---|
532 | int ncol = nch - ncl + 1; |
---|
533 | |
---|
534 | char buffer[80]; |
---|
535 | char msg[1024]; |
---|
536 | |
---|
537 | FILE * file; |
---|
538 | |
---|
539 | file = fopen(filename, "wb"); |
---|
540 | if (file == NULL) { |
---|
541 | snprintf(msg, 1024, "ouverture du fichier %s impossible dans %s\n", filename, __func__); |
---|
542 | nrerror(msg); |
---|
543 | } |
---|
544 | |
---|
545 | /* enregistrement de l'image au format rpgm */ |
---|
546 | snprintf(buffer, 80, "P5\n%d %d\n255\n", ncol, nrow); |
---|
547 | fwrite(buffer, strlen(buffer), 1, file); |
---|
548 | for (int32_t i = nrl; i <= nrh; i++) { |
---|
549 | WritePGMrow(m[i], ncol, file); |
---|
550 | } |
---|
551 | |
---|
552 | /* fermeture du fichier */ |
---|
553 | fclose(file); |
---|
554 | } |
---|
555 | |
---|
556 | |
---|
557 | /* --------------------------- */ |
---|
558 | /* -- PNM IO for rgb8matrix -- */ |
---|
559 | /* --------------------------- */ |
---|
560 | |
---|
561 | /* ------------------------------------------------------ */ |
---|
562 | static void ReadPNMrow(FILE * file, int32_t width, uint8_t * line) |
---|
563 | /* ------------------------------------------------------ */ |
---|
564 | { |
---|
565 | /* Le fichier est ouvert (en lecture) et ne sera pas ferme a la fin */ |
---|
566 | fread(&(line[0]), sizeof(uint8_t), 3 * sizeof(uint8_t) * width, file); |
---|
567 | } |
---|
568 | |
---|
569 | |
---|
570 | /* ------------------------------------------------------- */ |
---|
571 | static void WritePNMrow(uint8_t * line, int32_t width, FILE * file) |
---|
572 | /* ------------------------------------------------------- */ |
---|
573 | { |
---|
574 | /* Le fichier est deja ouvert et ne sera pas ferme a la fin */ |
---|
575 | fwrite(&(line[0]), sizeof(uint8_t), 3 * sizeof(uint8_t) * width, file); |
---|
576 | } |
---|
577 | |
---|
578 | |
---|
579 | /* ------------------------------------------------------------------------------------------ */ |
---|
580 | rgb8 ** LoadPPM_rgb8matrix(char * filename, int32_t * nrl, int32_t * nrh, int32_t * ncl, int32_t * nch) |
---|
581 | /* ------------------------------------------------------------------------------------------ */ |
---|
582 | { |
---|
583 | /* cette version ne lit plus que le type P6 */ |
---|
584 | int32_t height, width, gris; |
---|
585 | rgb8 ** m; |
---|
586 | FILE * file; |
---|
587 | |
---|
588 | char * buffer; |
---|
589 | char msg[1024]; |
---|
590 | (void) gris; |
---|
591 | |
---|
592 | buffer = (char *) calloc(80, sizeof(char)); |
---|
593 | /* ouverture du fichier */ |
---|
594 | file = fopen(filename,"rb"); |
---|
595 | if (file == NULL) { |
---|
596 | snprintf(msg, 1024, "ouverture du fichier %s impossible dans %s\n", filename, __func__); |
---|
597 | nrerror(msg); |
---|
598 | } |
---|
599 | |
---|
600 | /* lecture de l'entete du fichier pgm */ |
---|
601 | readitem(file, buffer); |
---|
602 | if (strcmp(buffer, "P6") != 0) { |
---|
603 | nrerror("Entete du fichier %s invalide\n", filename); |
---|
604 | } |
---|
605 | |
---|
606 | width = atoi(readitem(file, buffer)); |
---|
607 | height = atoi(readitem(file, buffer)); |
---|
608 | gris = atoi(readitem(file, buffer)); |
---|
609 | |
---|
610 | *nrl = 0; |
---|
611 | *nrh = height - 1; |
---|
612 | *ncl = 0; |
---|
613 | *nch = width - 1; |
---|
614 | m = rgb8matrix(*nrl, *nrh, *ncl, *nch); |
---|
615 | |
---|
616 | for (int32_t i = 0; i < height; i++) { |
---|
617 | ReadPNMrow(file, width, (uint8_t *) m[i]); |
---|
618 | } |
---|
619 | |
---|
620 | fclose(file); |
---|
621 | free(buffer); |
---|
622 | |
---|
623 | return m; |
---|
624 | } |
---|
625 | |
---|
626 | |
---|
627 | /* -------------------------------------------------------------------------------------------------- */ |
---|
628 | void LoadPPM_rgb8matrix2(char * filename, int * nrl, int * nrh, int * ncl, int * nch, rgb8 ** m) |
---|
629 | /* -------------------------------------------------------------------------------------------------- */ |
---|
630 | { |
---|
631 | /* cette version ne lit plus que le type P6 */ |
---|
632 | int height, width, gris; |
---|
633 | FILE * file; |
---|
634 | |
---|
635 | char * buffer; |
---|
636 | char msg[1024]; |
---|
637 | (void) gris; |
---|
638 | |
---|
639 | buffer = (char *) calloc(80, sizeof(char)); |
---|
640 | /* ouverture du fichier */ |
---|
641 | file = fopen(filename, "rb"); |
---|
642 | if (file == NULL) { |
---|
643 | snprintf(msg, 1024, "ouverture du fichier %s impossible dans LoadPPM_rgb8matrix2\n", filename); |
---|
644 | nrerror(msg); |
---|
645 | } |
---|
646 | |
---|
647 | /* lecture de l'entete du fichier pgm */ |
---|
648 | readitem(file, buffer); |
---|
649 | if (strcmp(buffer, "P6") != 0) { |
---|
650 | nrerror("Entete du fichier %s invalide\n", filename); |
---|
651 | } |
---|
652 | //nrerror("entete du fichier %s invalide\n", filename); |
---|
653 | |
---|
654 | width = atoi(readitem(file, buffer)); |
---|
655 | height = atoi(readitem(file, buffer)); |
---|
656 | gris = atoi(readitem(file, buffer)); |
---|
657 | |
---|
658 | *nrl = 0; |
---|
659 | *nrh = height - 1; |
---|
660 | *ncl = 0; |
---|
661 | *nch = width - 1; |
---|
662 | |
---|
663 | for (int32_t i = 0; i < height; i++) { |
---|
664 | ReadPNMrow(file, width, (uint8_t *) m[i]); |
---|
665 | } |
---|
666 | fclose(file); |
---|
667 | free(buffer); |
---|
668 | } |
---|
669 | |
---|
670 | |
---|
671 | /* ------------------------------------------------------------------------------------------------- */ |
---|
672 | void SavePPM_rgb8matrix(rgb8 ** m, int32_t nrl, int32_t nrh, int32_t ncl, int32_t nch, char * filename) |
---|
673 | /* ------------------------------------------------------------------------------------------------- */ |
---|
674 | { |
---|
675 | int32_t nrow = nrh - nrl + 1; |
---|
676 | int32_t ncol = nch - ncl + 1; |
---|
677 | |
---|
678 | char buffer[80]; |
---|
679 | char msg[1024]; |
---|
680 | |
---|
681 | FILE * file; |
---|
682 | |
---|
683 | file = fopen(filename, "wb"); |
---|
684 | if (file == NULL) { |
---|
685 | snprintf(msg, 1024, "ouverture du fichier %s impossible dans %s\n", filename, __func__); |
---|
686 | nrerror(msg); |
---|
687 | } |
---|
688 | |
---|
689 | /* enregistrement de l'image au format rpgm */ |
---|
690 | snprintf(buffer, 80, "P6\n%d %d\n255\n", ncol, nrow); |
---|
691 | fwrite(buffer, strlen(buffer), 1, file); |
---|
692 | for (int32_t i = nrl; i <= nrh; i++) { |
---|
693 | WritePNMrow((uint8_t *) m[i], ncol, file); |
---|
694 | } |
---|
695 | |
---|
696 | /* fermeture du fichier */ |
---|
697 | fclose(file); |
---|
698 | } |
---|
699 | |
---|
700 | |
---|
701 | // Local Variables: |
---|
702 | // tab-width: 4 |
---|
703 | // c-basic-offset: 4 |
---|
704 | // c-file-offsets:((innamespace . 0)(inline-open . 0)) |
---|
705 | // indent-tabs-mode: nil |
---|
706 | // End: |
---|
707 | |
---|
708 | // vim: filetype=cpp:expandtab:shiftwidth=4:tabstop=4:softtabstop=4 |
---|
709 | |
---|