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1 /***************************************************************************/ |
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2 /* */ |
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3 /* cidriver.c */ |
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4 /* */ |
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5 /* CID driver interface (body). */ |
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6 /* */ |
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7 /* Copyright 1996-2001, 2002, 2003, 2004, 2006, 2008, 2009 by */ |
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8 /* David Turner, Robert Wilhelm, and Werner Lemberg. */ |
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9 /* */ |
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10 /* This file is part of the FreeType project, and may only be used, */ |
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11 /* modified, and distributed under the terms of the FreeType project */ |
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12 /* license, LICENSE.TXT. By continuing to use, modify, or distribute */ |
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13 /* this file you indicate that you have read the license and */ |
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14 /* understand and accept it fully. */ |
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15 /* */ |
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16 /***************************************************************************/ |
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17 |
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18 |
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19 #include <ft2build.h> |
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20 #include "cidriver.h" |
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21 #include "cidgload.h" |
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22 #include FT_INTERNAL_DEBUG_H |
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23 |
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24 #include "ciderrs.h" |
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25 |
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26 #include FT_SERVICE_POSTSCRIPT_NAME_H |
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27 #include FT_SERVICE_XFREE86_NAME_H |
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28 #include FT_SERVICE_POSTSCRIPT_INFO_H |
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29 #include FT_SERVICE_CID_H |
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30 |
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31 |
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32 /*************************************************************************/ |
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33 /* */ |
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34 /* The macro FT_COMPONENT is used in trace mode. It is an implicit */ |
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35 /* parameter of the FT_TRACE() and FT_ERROR() macros, used to print/log */ |
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36 /* messages during execution. */ |
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37 /* */ |
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38 #undef FT_COMPONENT |
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39 #define FT_COMPONENT trace_ciddriver |
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40 |
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41 |
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42 /* |
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43 * POSTSCRIPT NAME SERVICE |
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44 * |
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45 */ |
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46 |
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47 static const char* |
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48 cid_get_postscript_name( CID_Face face ) |
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49 { |
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50 const char* result = face->cid.cid_font_name; |
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51 |
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52 |
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53 if ( result && result[0] == '/' ) |
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54 result++; |
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55 |
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56 return result; |
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57 } |
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58 |
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59 |
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60 static const FT_Service_PsFontNameRec cid_service_ps_name = |
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61 { |
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62 (FT_PsName_GetFunc) cid_get_postscript_name |
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63 }; |
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64 |
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65 |
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66 /* |
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67 * POSTSCRIPT INFO SERVICE |
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68 * |
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69 */ |
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70 |
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71 static FT_Error |
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72 cid_ps_get_font_info( FT_Face face, |
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73 PS_FontInfoRec* afont_info ) |
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74 { |
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75 *afont_info = ((CID_Face)face)->cid.font_info; |
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76 |
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77 return CID_Err_Ok; |
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78 } |
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79 |
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80 static FT_Error |
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81 cid_ps_get_font_extra( FT_Face face, |
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82 PS_FontExtraRec* afont_extra ) |
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83 { |
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84 *afont_extra = ((CID_Face)face)->font_extra; |
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85 |
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86 return CID_Err_Ok; |
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87 } |
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88 |
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89 static const FT_Service_PsInfoRec cid_service_ps_info = |
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90 { |
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91 (PS_GetFontInfoFunc) cid_ps_get_font_info, |
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92 (PS_GetFontExtraFunc) cid_ps_get_font_extra, |
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93 (PS_HasGlyphNamesFunc) NULL, /* unsupported with CID fonts */ |
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94 (PS_GetFontPrivateFunc)NULL /* unsupported */ |
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95 }; |
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96 |
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97 |
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98 /* |
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99 * CID INFO SERVICE |
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100 * |
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101 */ |
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102 static FT_Error |
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103 cid_get_ros( CID_Face face, |
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104 const char* *registry, |
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105 const char* *ordering, |
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106 FT_Int *supplement ) |
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107 { |
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108 CID_FaceInfo cid = &face->cid; |
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109 |
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110 |
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111 if ( registry ) |
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112 *registry = cid->registry; |
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113 |
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114 if ( ordering ) |
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115 *ordering = cid->ordering; |
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116 |
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117 if ( supplement ) |
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118 *supplement = cid->supplement; |
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119 |
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120 return CID_Err_Ok; |
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121 } |
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122 |
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123 |
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124 static FT_Error |
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125 cid_get_is_cid( CID_Face face, |
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126 FT_Bool *is_cid ) |
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127 { |
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128 FT_Error error = CID_Err_Ok; |
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129 FT_UNUSED( face ); |
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130 |
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131 |
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132 if ( is_cid ) |
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133 *is_cid = 1; /* cid driver is only used for CID keyed fonts */ |
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134 |
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135 return error; |
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136 } |
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137 |
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138 |
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139 static FT_Error |
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140 cid_get_cid_from_glyph_index( CID_Face face, |
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141 FT_UInt glyph_index, |
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142 FT_UInt *cid ) |
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143 { |
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144 FT_Error error = CID_Err_Ok; |
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145 FT_UNUSED( face ); |
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146 |
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147 |
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148 if ( cid ) |
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149 *cid = glyph_index; /* identity mapping */ |
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150 |
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151 return error; |
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152 } |
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153 |
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154 |
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155 static const FT_Service_CIDRec cid_service_cid_info = |
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156 { |
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157 (FT_CID_GetRegistryOrderingSupplementFunc)cid_get_ros, |
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158 (FT_CID_GetIsInternallyCIDKeyedFunc) cid_get_is_cid, |
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159 (FT_CID_GetCIDFromGlyphIndexFunc) cid_get_cid_from_glyph_index |
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160 }; |
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161 |
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162 |
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163 /* |
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164 * SERVICE LIST |
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165 * |
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166 */ |
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167 |
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168 static const FT_ServiceDescRec cid_services[] = |
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169 { |
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170 { FT_SERVICE_ID_XF86_NAME, FT_XF86_FORMAT_CID }, |
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171 { FT_SERVICE_ID_POSTSCRIPT_FONT_NAME, &cid_service_ps_name }, |
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172 { FT_SERVICE_ID_POSTSCRIPT_INFO, &cid_service_ps_info }, |
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173 { FT_SERVICE_ID_CID, &cid_service_cid_info }, |
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174 { NULL, NULL } |
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175 }; |
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176 |
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177 |
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178 FT_CALLBACK_DEF( FT_Module_Interface ) |
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179 cid_get_interface( FT_Module module, |
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180 const char* cid_interface ) |
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181 { |
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182 FT_UNUSED( module ); |
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183 |
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184 return ft_service_list_lookup( cid_services, cid_interface ); |
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185 } |
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186 |
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187 |
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188 |
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189 FT_CALLBACK_TABLE_DEF |
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190 const FT_Driver_ClassRec t1cid_driver_class = |
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191 { |
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192 /* first of all, the FT_Module_Class fields */ |
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193 { |
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194 FT_MODULE_FONT_DRIVER | |
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195 FT_MODULE_DRIVER_SCALABLE | |
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196 FT_MODULE_DRIVER_HAS_HINTER, |
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197 |
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198 sizeof( FT_DriverRec ), |
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199 "t1cid", /* module name */ |
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200 0x10000L, /* version 1.0 of driver */ |
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201 0x20000L, /* requires FreeType 2.0 */ |
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202 |
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203 0, |
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204 |
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205 cid_driver_init, |
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206 cid_driver_done, |
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207 cid_get_interface |
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208 }, |
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209 |
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210 /* then the other font drivers fields */ |
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211 sizeof( CID_FaceRec ), |
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212 sizeof( CID_SizeRec ), |
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213 sizeof( CID_GlyphSlotRec ), |
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214 |
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215 cid_face_init, |
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216 cid_face_done, |
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217 |
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218 cid_size_init, |
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219 cid_size_done, |
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220 cid_slot_init, |
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221 cid_slot_done, |
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222 |
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223 #ifdef FT_CONFIG_OPTION_OLD_INTERNALS |
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224 ft_stub_set_char_sizes, |
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225 ft_stub_set_pixel_sizes, |
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226 #endif |
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227 |
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228 cid_slot_load_glyph, |
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229 |
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230 0, /* FT_Face_GetKerningFunc */ |
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231 0, /* FT_Face_AttachFunc */ |
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232 |
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233 0, /* FT_Face_GetAdvancesFunc */ |
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234 |
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235 cid_size_request, |
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236 0 /* FT_Size_SelectFunc */ |
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237 }; |
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238 |
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239 |
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240 /* END */ |