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1 /***************************************************************************/ |
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2 /* */ |
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3 /* svsfnt.h */ |
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4 /* */ |
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5 /* The FreeType SFNT table loading service (specification). */ |
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6 /* */ |
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7 /* Copyright 2003, 2004 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 #ifndef __SVSFNT_H__ |
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20 #define __SVSFNT_H__ |
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21 |
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22 #include FT_INTERNAL_SERVICE_H |
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23 #include FT_TRUETYPE_TABLES_H |
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24 |
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25 |
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26 FT_BEGIN_HEADER |
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27 |
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28 |
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29 /* |
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30 * SFNT table loading service. |
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31 */ |
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32 |
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33 #define FT_SERVICE_ID_SFNT_TABLE "sfnt-table" |
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34 |
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35 |
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36 /* |
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37 * Used to implement FT_Load_Sfnt_Table(). |
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38 */ |
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39 typedef FT_Error |
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40 (*FT_SFNT_TableLoadFunc)( FT_Face face, |
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41 FT_ULong tag, |
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42 FT_Long offset, |
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43 FT_Byte* buffer, |
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44 FT_ULong* length ); |
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45 |
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46 /* |
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47 * Used to implement FT_Get_Sfnt_Table(). |
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48 */ |
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49 typedef void* |
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50 (*FT_SFNT_TableGetFunc)( FT_Face face, |
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51 FT_Sfnt_Tag tag ); |
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52 |
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53 |
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54 /* |
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55 * Used to implement FT_Sfnt_Table_Info(). |
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56 */ |
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57 typedef FT_Error |
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58 (*FT_SFNT_TableInfoFunc)( FT_Face face, |
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59 FT_UInt idx, |
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60 FT_ULong *tag, |
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61 FT_ULong *offset, |
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62 FT_ULong *length ); |
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63 |
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64 |
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65 FT_DEFINE_SERVICE( SFNT_Table ) |
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66 { |
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67 FT_SFNT_TableLoadFunc load_table; |
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68 FT_SFNT_TableGetFunc get_table; |
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69 FT_SFNT_TableInfoFunc table_info; |
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70 }; |
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71 |
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72 #ifndef FT_CONFIG_OPTION_PIC |
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73 |
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74 #define FT_DEFINE_SERVICE_SFNT_TABLEREC(class_, load_, get_, info_) \ |
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75 static const FT_Service_SFNT_TableRec class_ = \ |
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76 { \ |
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77 load_, get_, info_ \ |
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78 }; |
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79 |
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80 #else /* FT_CONFIG_OPTION_PIC */ |
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81 |
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82 #define FT_DEFINE_SERVICE_SFNT_TABLEREC(class_, load_, get_, info_) \ |
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83 void \ |
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84 FT_Init_Class_##class_( FT_Service_SFNT_TableRec* clazz ) \ |
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85 { \ |
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86 clazz->load_table = load_; \ |
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87 clazz->get_table = get_; \ |
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88 clazz->table_info = info_; \ |
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89 } |
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90 |
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91 #endif /* FT_CONFIG_OPTION_PIC */ |
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92 |
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93 /* */ |
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94 |
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95 |
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96 FT_END_HEADER |
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97 |
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98 |
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99 #endif /* __SVSFNT_H__ */ |
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100 |
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101 |
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102 /* END */ |