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1 /***************************************************************************/ |
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2 /* */ |
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3 /* ftgxval.c */ |
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4 /* */ |
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5 /* FreeType API for validating TrueTyepGX/AAT tables (body). */ |
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6 /* */ |
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7 /* Copyright 2004, 2005, 2006, 2010 by */ |
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8 /* Masatake YAMATO, Redhat K.K, */ |
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9 /* David Turner, Robert Wilhelm, and Werner Lemberg. */ |
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10 /* */ |
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11 /* This file is part of the FreeType project, and may only be used, */ |
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12 /* modified, and distributed under the terms of the FreeType project */ |
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13 /* license, LICENSE.TXT. By continuing to use, modify, or distribute */ |
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14 /* this file you indicate that you have read the license and */ |
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15 /* understand and accept it fully. */ |
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16 /* */ |
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17 /***************************************************************************/ |
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18 |
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19 /***************************************************************************/ |
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20 /* */ |
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21 /* gxvalid is derived from both gxlayout module and otvalid module. */ |
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22 /* Development of gxlayout is supported by the Information-technology */ |
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23 /* Promotion Agency(IPA), Japan. */ |
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24 /* */ |
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25 /***************************************************************************/ |
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26 |
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27 |
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28 #include <ft2build.h> |
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29 #include FT_INTERNAL_OBJECTS_H |
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30 #include FT_SERVICE_GX_VALIDATE_H |
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31 |
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32 |
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33 /* documentation is in ftgxval.h */ |
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34 |
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35 FT_EXPORT_DEF( FT_Error ) |
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36 FT_TrueTypeGX_Validate( FT_Face face, |
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37 FT_UInt validation_flags, |
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38 FT_Bytes tables[FT_VALIDATE_GX_LENGTH], |
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39 FT_UInt table_length ) |
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40 { |
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41 FT_Service_GXvalidate service; |
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42 FT_Error error; |
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43 |
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44 |
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45 if ( !face ) |
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46 { |
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47 error = FT_Err_Invalid_Face_Handle; |
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48 goto Exit; |
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49 } |
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50 |
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51 if ( tables == NULL ) |
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52 { |
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53 error = FT_Err_Invalid_Argument; |
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54 goto Exit; |
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55 } |
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56 |
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57 FT_FACE_FIND_GLOBAL_SERVICE( face, service, GX_VALIDATE ); |
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58 |
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59 if ( service ) |
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60 error = service->validate( face, |
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61 validation_flags, |
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62 tables, |
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63 table_length ); |
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64 else |
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65 error = FT_Err_Unimplemented_Feature; |
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66 |
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67 Exit: |
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68 return error; |
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69 } |
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70 |
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71 |
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72 FT_EXPORT_DEF( void ) |
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73 FT_TrueTypeGX_Free( FT_Face face, |
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74 FT_Bytes table ) |
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75 { |
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76 FT_Memory memory; |
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77 |
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78 |
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79 if ( !face ) |
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80 return; |
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81 |
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82 memory = FT_FACE_MEMORY( face ); |
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83 |
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84 FT_FREE( table ); |
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85 } |
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86 |
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87 |
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88 FT_EXPORT_DEF( FT_Error ) |
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89 FT_ClassicKern_Validate( FT_Face face, |
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90 FT_UInt validation_flags, |
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91 FT_Bytes *ckern_table ) |
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92 { |
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93 FT_Service_CKERNvalidate service; |
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94 FT_Error error; |
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95 |
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96 |
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97 if ( !face ) |
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98 { |
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99 error = FT_Err_Invalid_Face_Handle; |
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100 goto Exit; |
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101 } |
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102 |
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103 if ( ckern_table == NULL ) |
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104 { |
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105 error = FT_Err_Invalid_Argument; |
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106 goto Exit; |
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107 } |
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108 |
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109 FT_FACE_FIND_GLOBAL_SERVICE( face, service, CLASSICKERN_VALIDATE ); |
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110 |
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111 if ( service ) |
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112 error = service->validate( face, |
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113 validation_flags, |
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114 ckern_table ); |
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115 else |
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116 error = FT_Err_Unimplemented_Feature; |
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117 |
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118 Exit: |
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119 return error; |
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120 } |
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121 |
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122 |
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123 FT_EXPORT_DEF( void ) |
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124 FT_ClassicKern_Free( FT_Face face, |
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125 FT_Bytes table ) |
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126 { |
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127 FT_Memory memory; |
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128 |
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129 |
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130 if ( !face ) |
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131 return; |
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132 |
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133 memory = FT_FACE_MEMORY( face ); |
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134 |
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135 |
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136 FT_FREE( table ); |
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137 } |
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138 |
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139 |
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140 /* END */ |