1 | /* |
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2 | * libcucul Canvas for ultrafast compositing of Unicode letters |
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3 | * Copyright (c) 2002-2006 Sam Hocevar <sam@zoy.org> |
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4 | * All Rights Reserved |
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5 | * |
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6 | * $Id: legacy.c 1881 2007-11-04 12:00:00Z sam $ |
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7 | * |
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8 | * This library is free software. It comes without any warranty, to |
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9 | * the extent permitted by applicable law. You can redistribute it |
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10 | * and/or modify it under the terms of the Do What The Fuck You Want |
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11 | * To Public License, Version 2, as published by Sam Hocevar. See |
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12 | * http://sam.zoy.org/wtfpl/COPYING for more details. |
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13 | */ |
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14 | |
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15 | /* |
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16 | * This file contains legacy functions that we keep around until all |
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17 | * applications are ported. |
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18 | */ |
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19 | |
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20 | #include "config.h" |
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21 | #include "common.h" |
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22 | |
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23 | #if !defined(__KERNEL__) |
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24 | # include <stdio.h> |
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25 | # include <stdlib.h> |
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26 | # include <string.h> |
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27 | #endif |
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28 | |
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29 | #include "cucul.h" |
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30 | #include "cucul_internals.h" |
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31 | |
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32 | /* |
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33 | * Functions from canvas.c |
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34 | */ |
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35 | |
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36 | int cucul_putchar(cucul_canvas_t *cv, int x, int y, unsigned long int ch) |
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37 | { |
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38 | return cucul_put_char(cv, x, y, ch); |
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39 | } |
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40 | |
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41 | unsigned long int cucul_getchar(cucul_canvas_t *cv, int x, int y) |
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42 | { |
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43 | return cucul_get_char(cv, x, y); |
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44 | } |
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45 | |
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46 | int cucul_putstr(cucul_canvas_t *cv, int x, int y, char const *s) |
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47 | { |
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48 | return cucul_put_str(cv, x, y, s); |
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49 | } |
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50 | |
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51 | /* |
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52 | * Functions from color.c |
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53 | */ |
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54 | |
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55 | int cucul_set_color(cucul_canvas_t *cv, unsigned char fg, unsigned char bg) |
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56 | { |
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57 | return cucul_set_color_ansi(cv, fg, bg); |
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58 | } |
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59 | |
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60 | int cucul_set_truecolor(cucul_canvas_t *cv, unsigned int fg, unsigned int bg) |
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61 | { |
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62 | return cucul_set_color_argb(cv, fg, bg); |
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63 | } |
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64 | |
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65 | /* |
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66 | * Functions from dither.c |
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67 | */ |
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68 | int cucul_set_dither_invert(cucul_dither_t *d, int value) |
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69 | { |
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70 | float gamma = cucul_get_dither_gamma(d); |
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71 | |
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72 | if(gamma * (value ? -1 : 1) < 0) |
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73 | cucul_set_dither_gamma(d, -gamma); |
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74 | |
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75 | return 0; |
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76 | } |
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77 | |
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78 | int cucul_set_dither_mode(cucul_dither_t *d, char const *s) |
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79 | { |
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80 | return cucul_set_dither_algorithm(d, s); |
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81 | } |
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82 | |
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83 | char const * const * cucul_get_dither_mode_list(cucul_dither_t const *d) |
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84 | { |
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85 | return cucul_get_dither_algorithm_list(d); |
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86 | } |
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87 | |
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88 | /* |
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89 | * Functions from import.c |
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90 | */ |
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91 | |
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92 | cucul_canvas_t * cucul_import_canvas(cucul_buffer_t *buf, char const *format) |
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93 | { |
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94 | cucul_canvas_t *cv = cucul_create_canvas(0, 0); |
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95 | int ret = cucul_import_memory(cv, (unsigned char const *)buf->data, |
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96 | buf->size, format); |
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97 | if(ret < 0) |
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98 | { |
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99 | cucul_free_canvas(cv); |
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100 | return NULL; |
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101 | } |
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102 | |
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103 | return cv; |
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104 | } |
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105 | |
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106 | /* |
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107 | * Functions from export.c |
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108 | */ |
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109 | |
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110 | cucul_buffer_t * cucul_export_canvas(cucul_canvas_t *cv, char const *format) |
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111 | { |
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112 | cucul_buffer_t *ex; |
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113 | |
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114 | ex = malloc(sizeof(cucul_buffer_t)); |
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115 | if(!ex) |
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116 | { |
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117 | seterrno(ENOMEM); |
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118 | return NULL; |
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119 | } |
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120 | |
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121 | ex->data = cucul_export_memory(cv, format, &ex->size); |
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122 | if(!ex->data) |
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123 | { |
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124 | free(ex); |
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125 | return NULL; |
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126 | } |
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127 | |
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128 | ex->user_data = 0; |
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129 | |
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130 | return ex; |
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131 | } |
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132 | |
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133 | /* |
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134 | * Functions from frame.c |
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135 | */ |
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136 | |
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137 | unsigned int cucul_get_canvas_frame_count(cucul_canvas_t *cv) |
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138 | { |
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139 | return cucul_get_frame_count(cv); |
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140 | } |
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141 | |
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142 | int cucul_set_canvas_frame(cucul_canvas_t *cv, unsigned int id) |
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143 | { |
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144 | return cucul_set_frame(cv, id); |
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145 | } |
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146 | |
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147 | int cucul_create_canvas_frame(cucul_canvas_t *cv, unsigned int id) |
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148 | { |
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149 | return cucul_create_frame(cv, id); |
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150 | } |
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151 | |
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152 | int cucul_free_canvas_frame(cucul_canvas_t *cv, unsigned int id) |
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153 | { |
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154 | return cucul_free_frame(cv, id); |
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155 | } |
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156 | |
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157 | /* |
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158 | * Functions from buffer.c |
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159 | */ |
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160 | |
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161 | cucul_buffer_t *cucul_load_memory(void *data, unsigned long int size) |
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162 | { |
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163 | cucul_buffer_t *buf; |
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164 | |
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165 | buf = malloc(sizeof(cucul_buffer_t)); |
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166 | if(!buf) |
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167 | return NULL; |
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168 | |
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169 | buf->data = data; |
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170 | buf->size = size; |
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171 | buf->user_data = 1; |
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172 | |
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173 | return buf; |
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174 | } |
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175 | |
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176 | #if !defined(__KERNEL__) |
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177 | cucul_buffer_t *cucul_load_file(char const *file) |
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178 | { |
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179 | cucul_buffer_t *buf; |
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180 | FILE *fp; |
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181 | long int size; |
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182 | |
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183 | fp = fopen(file, "rb"); |
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184 | if(!fp) |
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185 | return NULL; |
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186 | |
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187 | buf = malloc(sizeof(cucul_buffer_t)); |
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188 | if(!buf) |
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189 | { |
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190 | fclose(fp); |
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191 | return NULL; |
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192 | } |
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193 | |
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194 | fseek(fp, 0, SEEK_END); |
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195 | size = ftell(fp); |
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196 | |
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197 | buf->data = malloc(size); |
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198 | if(!buf->data) |
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199 | { |
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200 | free(buf); |
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201 | fclose(fp); |
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202 | return NULL; |
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203 | } |
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204 | buf->size = size; |
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205 | buf->user_data = 0; |
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206 | |
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207 | fseek(fp, 0, SEEK_SET); |
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208 | fread(buf->data, buf->size, 1, fp); |
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209 | fclose(fp); |
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210 | |
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211 | return buf; |
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212 | } |
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213 | #endif |
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214 | |
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215 | unsigned long int cucul_get_buffer_size(cucul_buffer_t *buf) |
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216 | { |
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217 | return buf->size; |
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218 | } |
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219 | |
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220 | void * cucul_get_buffer_data(cucul_buffer_t *buf) |
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221 | { |
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222 | return buf->data; |
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223 | } |
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224 | |
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225 | int cucul_free_buffer(cucul_buffer_t *buf) |
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226 | { |
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227 | if(!buf->user_data) |
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228 | free(buf->data); |
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229 | |
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230 | free(buf); |
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231 | |
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232 | return 0; |
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233 | } |
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234 | |
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235 | /* |
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236 | * Functions from transform.c |
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237 | */ |
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238 | |
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239 | int cucul_rotate(cucul_canvas_t *cv) |
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240 | { |
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241 | return cucul_rotate_180(cv); |
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242 | } |
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243 | |
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