1 /***************************************************************************/ 2 /* */ 3 /* ttpic.c */ 4 /* */ 5 /* The FreeType position independent code services for truetype module. */ 6 /* */ 7 /* Copyright 2009, 2010 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 #ifdef FT_CONFIG_OPTION_PIC 26 27 /* forward declaration of PIC init functions from ttdriver.c */ 28 FT_Error 29 FT_Create_Class_tt_services( FT_Library library, 30 FT_ServiceDescRec** output_class ); 31 32 void 33 FT_Destroy_Class_tt_services( FT_Library library, 34 FT_ServiceDescRec* clazz ); 35 36 void 37 FT_Init_Class_tt_service_gx_multi_masters( 38 FT_Service_MultiMastersRec* sv_mm ); 39 40 void 41 FT_Init_Class_tt_service_truetype_glyf( 42 FT_Service_TTGlyfRec* sv_ttglyf ); 43 44 void 45 tt_driver_class_pic_free( FT_Library library ) 46 { 47 FT_PIC_Container* pic_container = &library->pic_container; 48 FT_Memory memory = library->memory; 49 50 51 if ( pic_container->truetype ) 52 { 53 TTModulePIC* container = (TTModulePIC*)pic_container->truetype; 54 55 56 if ( container->tt_services ) 57 FT_Destroy_Class_tt_services( library, container->tt_services ); 58 container->tt_services = NULL; 59 FT_FREE( container ); 60 pic_container->truetype = NULL; 61 } 62 } 63 64 65 FT_Error 66 tt_driver_class_pic_init( FT_Library library ) 67 { 68 FT_PIC_Container* pic_container = &library->pic_container; 69 FT_Error error = TT_Err_Ok; 70 TTModulePIC* container; 71 FT_Memory memory = library->memory; 72 73 74 /* allocate pointer, clear and set global container pointer */ 75 if ( FT_ALLOC ( container, sizeof ( *container ) ) ) 76 return error; 77 FT_MEM_SET( container, 0, sizeof ( *container ) ); 78 pic_container->truetype = container; 79 80 /* initialize pointer table - this is how the module usually 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 Exit: 92 if ( error ) 93 tt_driver_class_pic_free( library ); 94 return error; 95 } 96 97 #endif /* FT_CONFIG_OPTION_PIC */ 98 99 100 /* END */ 101
