1 /***************************************************************************/ |
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2 /* */ |
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3 /* sfntpic.c */ |
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4 /* */ |
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5 /* The FreeType position independent code services for sfnt module. */ |
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6 /* */ |
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7 /* Copyright 2009-2018 by */ |
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8 /* Oran Agra and Mickey Gabel. */ |
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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 FT_FREETYPE_H |
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21 #include FT_INTERNAL_OBJECTS_H |
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22 #include "sfntpic.h" |
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23 #include "sferrors.h" |
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24 |
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25 |
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26 #ifdef FT_CONFIG_OPTION_PIC |
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27 |
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28 /* forward declaration of PIC init functions from sfdriver.c */ |
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29 FT_Error |
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30 FT_Create_Class_sfnt_services( FT_Library library, |
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31 FT_ServiceDescRec** output_class ); |
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32 void |
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33 FT_Destroy_Class_sfnt_services( FT_Library library, |
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34 FT_ServiceDescRec* clazz ); |
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35 void |
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36 FT_Init_Class_sfnt_service_bdf( FT_Service_BDFRec* clazz ); |
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37 void |
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38 FT_Init_Class_sfnt_interface( FT_Library library, |
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39 SFNT_Interface* clazz ); |
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40 void |
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41 FT_Init_Class_sfnt_service_glyph_dict( |
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42 FT_Library library, |
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43 FT_Service_GlyphDictRec* clazz ); |
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44 void |
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45 FT_Init_Class_sfnt_service_ps_name( |
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46 FT_Library library, |
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47 FT_Service_PsFontNameRec* clazz ); |
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48 void |
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49 FT_Init_Class_tt_service_get_cmap_info( |
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50 FT_Library library, |
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51 FT_Service_TTCMapsRec* clazz ); |
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52 void |
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53 FT_Init_Class_sfnt_service_sfnt_table( |
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54 FT_Service_SFNT_TableRec* clazz ); |
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55 |
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56 |
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57 /* forward declaration of PIC init functions from ttcmap.c */ |
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58 FT_Error |
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59 FT_Create_Class_tt_cmap_classes( FT_Library library, |
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60 TT_CMap_Class** output_class ); |
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61 void |
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62 FT_Destroy_Class_tt_cmap_classes( FT_Library library, |
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63 TT_CMap_Class* clazz ); |
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64 |
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65 |
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66 void |
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67 sfnt_module_class_pic_free( FT_Library library ) |
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68 { |
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69 FT_PIC_Container* pic_container = &library->pic_container; |
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70 FT_Memory memory = library->memory; |
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71 |
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72 |
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73 if ( pic_container->sfnt ) |
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74 { |
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75 sfntModulePIC* container = (sfntModulePIC*)pic_container->sfnt; |
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76 |
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77 |
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78 if ( container->sfnt_services ) |
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79 FT_Destroy_Class_sfnt_services( library, |
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80 container->sfnt_services ); |
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81 container->sfnt_services = NULL; |
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82 |
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83 if ( container->tt_cmap_classes ) |
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84 FT_Destroy_Class_tt_cmap_classes( library, |
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85 container->tt_cmap_classes ); |
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86 container->tt_cmap_classes = NULL; |
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87 |
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88 FT_FREE( container ); |
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89 pic_container->sfnt = NULL; |
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90 } |
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91 } |
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92 |
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93 |
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94 FT_Error |
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95 sfnt_module_class_pic_init( FT_Library library ) |
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96 { |
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97 FT_PIC_Container* pic_container = &library->pic_container; |
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98 FT_Error error = FT_Err_Ok; |
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99 sfntModulePIC* container = NULL; |
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100 FT_Memory memory = library->memory; |
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101 |
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102 |
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103 /* allocate pointer, clear and set global container pointer */ |
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104 if ( FT_ALLOC( container, sizeof ( *container ) ) ) |
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105 return error; |
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106 FT_MEM_SET( container, 0, sizeof ( *container ) ); |
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107 pic_container->sfnt = container; |
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108 |
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109 /* initialize pointer table - */ |
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110 /* this is how the module usually expects this data */ |
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111 error = FT_Create_Class_sfnt_services( library, |
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112 &container->sfnt_services ); |
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113 if ( error ) |
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114 goto Exit; |
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115 |
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116 error = FT_Create_Class_tt_cmap_classes( library, |
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117 &container->tt_cmap_classes ); |
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118 if ( error ) |
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119 goto Exit; |
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120 |
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121 FT_Init_Class_sfnt_service_glyph_dict( |
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122 library, &container->sfnt_service_glyph_dict ); |
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123 FT_Init_Class_sfnt_service_ps_name( |
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124 library, &container->sfnt_service_ps_name ); |
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125 FT_Init_Class_tt_service_get_cmap_info( |
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126 library, &container->tt_service_get_cmap_info ); |
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127 FT_Init_Class_sfnt_service_sfnt_table( |
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128 &container->sfnt_service_sfnt_table ); |
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129 #ifdef TT_CONFIG_OPTION_BDF |
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130 FT_Init_Class_sfnt_service_bdf( &container->sfnt_service_bdf ); |
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131 #endif |
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132 FT_Init_Class_sfnt_interface( library, &container->sfnt_interface ); |
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133 |
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134 Exit: |
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135 if ( error ) |
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136 sfnt_module_class_pic_free( library ); |
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137 return error; |
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138 } |
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139 |
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140 #endif /* FT_CONFIG_OPTION_PIC */ |
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141 |
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142 |
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143 /* END */ |
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