1 | #ifndef FONT_H |
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2 | #define FONT_H |
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3 | |
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4 | FT_Library library; |
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5 | |
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6 | FT_Error MyFaceRequester(FTC_FaceID face_id, FT_Library library, FT_Pointer request_data, FT_Face *aface) |
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7 | { |
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8 | FT_Error ret; |
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9 | |
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10 | ret = FT_New_Face(library, (char*)face_id, 0, aface); |
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11 | if(ret != 0) |
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12 | err("Font %s failed", (char*)face_id); |
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13 | |
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14 | FT_Select_Charmap(*aface, ft_encoding_unicode); |
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15 | return ret; |
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16 | } |
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17 | |
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18 | struct font* addfont(char *fontname) |
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19 | { |
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20 | struct font *newnode = NULL, *node = font; |
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21 | char *name = NULL; |
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22 | |
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23 | name = ostrcat(fontname, NULL, 0, 0); |
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24 | if(name == NULL) |
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25 | { |
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26 | err("no memory"); |
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27 | return NULL; |
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28 | } |
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29 | |
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30 | newnode = (struct font*)malloc(sizeof(struct font)); |
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31 | if(newnode == NULL) |
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32 | { |
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33 | err("no memory"); |
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34 | free(name); |
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35 | return NULL; |
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36 | } |
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37 | |
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38 | memset(newnode, 0, sizeof(struct font)); |
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39 | newnode->name = name; |
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40 | |
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41 | if(node != NULL) |
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42 | { |
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43 | while(node->next != NULL) |
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44 | node = node->next; |
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45 | node->next = newnode; |
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46 | } |
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47 | else |
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48 | font = newnode; |
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49 | |
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50 | return newnode; |
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51 | } |
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52 | |
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53 | void delfont(char *name) |
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54 | { |
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55 | struct font *node = font, *prev = font; |
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56 | |
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57 | while(node != NULL) |
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58 | { |
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59 | if(ostrcmp(node->name, name) == 0) |
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60 | { |
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61 | if(node == font) |
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62 | font = node->next; |
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63 | else |
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64 | prev->next = node->next; |
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65 | |
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66 | if(node->name != NULL) |
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67 | { |
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68 | free(node->name); |
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69 | node->name = NULL; |
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70 | } |
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71 | if(node->manager != NULL) FTC_Manager_Done(node->manager); |
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72 | |
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73 | free(node); |
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74 | node = NULL; |
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75 | break; |
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76 | } |
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77 | |
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78 | prev = node; |
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79 | node = node->next; |
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80 | } |
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81 | } |
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82 | |
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83 | int initfont() |
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84 | { |
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85 | int ret; |
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86 | |
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87 | ret = FT_Init_FreeType(&library); |
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88 | if(ret != 0) |
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89 | { |
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90 | err("FT_Init_FreeType failed. Error: 0x%.2X", ret); |
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91 | return 1; |
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92 | } |
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93 | |
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94 | return 0; |
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95 | } |
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96 | |
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97 | void deinitfont() |
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98 | { |
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99 | FT_Done_FreeType(library); |
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100 | } |
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101 | |
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102 | int openfont(char *filename) |
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103 | { |
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104 | int ret; |
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105 | struct font* node = font; |
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106 | |
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107 | if(filename == NULL) |
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108 | { |
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109 | debug(100, "font not defined"); |
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110 | return 1; |
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111 | } |
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112 | |
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113 | node = addfont(filename); |
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114 | if(node == NULL) |
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115 | return 1; |
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116 | |
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117 | ret = FTC_Manager_New(library, 1, 2, 0, &MyFaceRequester, NULL, &node->manager); |
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118 | if(ret != 0) |
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119 | { |
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120 | err("FTC_Manager_New failed. Error: 0x%.2X", ret); |
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121 | delfont(filename); |
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122 | return 1; |
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123 | } |
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124 | |
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125 | ret = FTC_SBitCache_New(node->manager, &node->cache); |
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126 | if(ret != 0) |
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127 | { |
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128 | err("FTC_SBitCache_New failed. Error: 0x%.2X", ret); |
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129 | delfont(filename); |
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130 | return 1; |
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131 | } |
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132 | |
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133 | ret = FTC_Manager_LookupFace(node->manager, (FTC_FaceID)filename, &node->face); |
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134 | if(ret != 0) |
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135 | { |
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136 | err("FTC_Manager_LookupFace failed. Error: 0x%.2X", ret); |
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137 | delfont(filename); |
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138 | return 1; |
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139 | } |
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140 | |
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141 | node->desc.face_id = (FTC_FaceID)filename; |
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142 | node->use_kerning = FT_HAS_KERNING(node->face); |
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143 | |
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144 | return 0; |
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145 | } |
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146 | |
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147 | struct font* getfont(char *name) |
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148 | { |
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149 | struct font *node = font; |
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150 | |
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151 | while(node != NULL) |
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152 | { |
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153 | if(ostrstr(node->name, name) != NULL) |
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154 | return node; |
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155 | |
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156 | node = node->next; |
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157 | } |
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158 | debug(100, "font not found (%s)", name); |
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159 | return NULL; |
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160 | } |
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161 | |
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162 | void freefont() |
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163 | { |
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164 | struct font *node = font, *prev = font; |
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165 | |
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166 | while(node != NULL) |
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167 | { |
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168 | prev = node; |
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169 | node = node->next; |
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170 | if(prev != NULL) |
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171 | delfont(prev->name); |
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172 | } |
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173 | } |
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174 | |
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175 | #endif |
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