1 /***************************************************************************/ |
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2 /* */ |
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3 /* ttpic.c */ |
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4 /* */ |
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5 /* The FreeType position independent code services for truetype module. */ |
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6 /* */ |
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7 /* Copyright 2009, 2010 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 "ttpic.h" |
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23 |
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24 #ifdef FT_CONFIG_OPTION_PIC |
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25 |
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26 /* forward declaration of PIC init functions from ttdriver.c */ |
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27 FT_Error FT_Create_Class_tt_services( FT_Library, FT_ServiceDescRec**); |
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28 void FT_Destroy_Class_tt_services( FT_Library, FT_ServiceDescRec*); |
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29 void FT_Init_Class_tt_service_gx_multi_masters(FT_Service_MultiMastersRec*); |
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30 void FT_Init_Class_tt_service_truetype_glyf(FT_Service_TTGlyfRec*); |
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31 |
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32 void |
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33 tt_driver_class_pic_free( FT_Library library ) |
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34 { |
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35 FT_PIC_Container* pic_container = &library->pic_container; |
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36 FT_Memory memory = library->memory; |
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37 if ( pic_container->truetype ) |
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38 { |
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39 TTModulePIC* container = (TTModulePIC*)pic_container->truetype; |
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40 if(container->tt_services) |
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41 FT_Destroy_Class_tt_services(library, container->tt_services); |
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42 container->tt_services = NULL; |
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43 FT_FREE( container ); |
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44 pic_container->truetype = NULL; |
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45 } |
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46 } |
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47 |
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48 |
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49 FT_Error |
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50 tt_driver_class_pic_init( FT_Library library ) |
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51 { |
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52 FT_PIC_Container* pic_container = &library->pic_container; |
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53 FT_Error error = TT_Err_Ok; |
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54 TTModulePIC* container; |
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55 FT_Memory memory = library->memory; |
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56 |
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57 |
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58 /* allocate pointer, clear and set global container pointer */ |
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59 if ( FT_ALLOC ( container, sizeof ( *container ) ) ) |
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60 return error; |
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61 FT_MEM_SET( container, 0, sizeof(*container) ); |
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62 pic_container->truetype = container; |
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63 |
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64 /* initialize pointer table - this is how the module usually expects this data */ |
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65 error = FT_Create_Class_tt_services(library, &container->tt_services); |
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66 if(error) |
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67 goto Exit; |
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68 #ifdef TT_CONFIG_OPTION_GX_VAR_SUPPORT |
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69 FT_Init_Class_tt_service_gx_multi_masters(&container->tt_service_gx_multi_masters); |
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70 #endif |
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71 FT_Init_Class_tt_service_truetype_glyf(&container->tt_service_truetype_glyf); |
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72 Exit: |
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73 if(error) |
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74 tt_driver_class_pic_free(library); |
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75 return error; |
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76 } |
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77 |
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78 #endif /* FT_CONFIG_OPTION_PIC */ |
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79 |
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80 |
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81 /* END */ |
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