1 /***************************************************************************/ 2 /* */ 3 /* ttpic.c */ 4 /* */ 5 /* The FreeType position independent code services for truetype module. */ 6 /* */ 7 /* Copyright 2009-2018 by */ 8 /* Oran Agra and Mickey Gabel. */ 9 /* */ 10 /* This file is part of the FreeType project, and may only be used, */ 11 /* modified, and distributed under the terms of the FreeType project */ 12 /* license, LICENSE.TXT. By continuing to use, modify, or distribute */ 13 /* this file you indicate that you have read the license and */ 14 /* understand and accept it fully. */ 15 /* */ 16 /***************************************************************************/ 17 18 19 #include <ft2build.h> 20 #include FT_FREETYPE_H 21 #include FT_INTERNAL_OBJECTS_H 22 #include "ttpic.h" 23 #include "tterrors.h" 24 25 26 #ifdef FT_CONFIG_OPTION_PIC 27 28 /* forward declaration of PIC init functions from ttdriver.c */ 29 FT_Error 30 FT_Create_Class_tt_services( FT_Library library, 31 FT_ServiceDescRec** output_class ); 32 void 33 FT_Destroy_Class_tt_services( FT_Library library, 34 FT_ServiceDescRec* clazz ); 35 void 36 FT_Init_Class_tt_service_gx_multi_masters( 37 FT_Service_MultiMastersRec* sv_mm ); 38 void 39 FT_Init_Class_tt_service_truetype_glyf( 40 FT_Service_TTGlyfRec* sv_ttglyf ); 41 42 43 void tt_driver_class_pic_free(FT_Library library)44 tt_driver_class_pic_free( FT_Library library ) 45 { 46 FT_PIC_Container* pic_container = &library->pic_container; 47 FT_Memory memory = library->memory; 48 49 50 if ( pic_container->truetype ) 51 { 52 TTModulePIC* container = (TTModulePIC*)pic_container->truetype; 53 54 55 if ( container->tt_services ) 56 FT_Destroy_Class_tt_services( library, container->tt_services ); 57 container->tt_services = NULL; 58 FT_FREE( container ); 59 pic_container->truetype = NULL; 60 } 61 } 62 63 64 FT_Error tt_driver_class_pic_init(FT_Library library)65 tt_driver_class_pic_init( FT_Library library ) 66 { 67 FT_PIC_Container* pic_container = &library->pic_container; 68 FT_Error error = FT_Err_Ok; 69 TTModulePIC* container = NULL; 70 FT_Memory memory = library->memory; 71 72 73 /* allocate pointer, clear and set global container pointer */ 74 if ( FT_ALLOC( container, sizeof ( *container ) ) ) 75 return error; 76 FT_MEM_SET( container, 0, sizeof ( *container ) ); 77 pic_container->truetype = container; 78 79 /* initialize pointer table - this is how the module usually */ 80 /* expects this data */ 81 error = FT_Create_Class_tt_services( library, 82 &container->tt_services ); 83 if ( error ) 84 goto Exit; 85 #ifdef TT_CONFIG_OPTION_GX_VAR_SUPPORT 86 FT_Init_Class_tt_service_gx_multi_masters( 87 &container->tt_service_gx_multi_masters ); 88 #endif 89 FT_Init_Class_tt_service_truetype_glyf( 90 &container->tt_service_truetype_glyf ); 91 92 Exit: 93 if ( error ) 94 tt_driver_class_pic_free( library ); 95 return error; 96 } 97 98 #endif /* FT_CONFIG_OPTION_PIC */ 99 100 101 /* END */ 102