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 24 #ifdef FT_CONFIG_OPTION_PIC 25 26 /* forward declaration of PIC init functions from ttdriver.c */ 27 FT_Error FT_Create_Class_tt_services( FT_Library, FT_ServiceDescRec**); 28 void FT_Destroy_Class_tt_services( FT_Library, FT_ServiceDescRec*); 29 void FT_Init_Class_tt_service_gx_multi_masters(FT_Service_MultiMastersRec*); 30 void FT_Init_Class_tt_service_truetype_glyf(FT_Service_TTGlyfRec*); 31 32 void 33 tt_driver_class_pic_free( FT_Library library ) 34 { 35 FT_PIC_Container* pic_container = &library->pic_container; 36 FT_Memory memory = library->memory; 37 if ( pic_container->truetype ) 38 { 39 TTModulePIC* container = (TTModulePIC*)pic_container->truetype; 40 if(container->tt_services) 41 FT_Destroy_Class_tt_services(library, container->tt_services); 42 container->tt_services = NULL; 43 FT_FREE( container ); 44 pic_container->truetype = NULL; 45 } 46 } 47 48 49 FT_Error 50 tt_driver_class_pic_init( FT_Library library ) 51 { 52 FT_PIC_Container* pic_container = &library->pic_container; 53 FT_Error error = TT_Err_Ok; 54 TTModulePIC* container; 55 FT_Memory memory = library->memory; 56 57 58 /* allocate pointer, clear and set global container pointer */ 59 if ( FT_ALLOC ( container, sizeof ( *container ) ) ) 60 return error; 61 FT_MEM_SET( container, 0, sizeof(*container) ); 62 pic_container->truetype = container; 63 64 /* initialize pointer table - this is how the module usually expects this data */ 65 error = FT_Create_Class_tt_services(library, &container->tt_services); 66 if(error) 67 goto Exit; 68 #ifdef TT_CONFIG_OPTION_GX_VAR_SUPPORT 69 FT_Init_Class_tt_service_gx_multi_masters(&container->tt_service_gx_multi_masters); 70 #endif 71 FT_Init_Class_tt_service_truetype_glyf(&container->tt_service_truetype_glyf); 72 Exit: 73 if(error) 74 tt_driver_class_pic_free(library); 75 return error; 76 } 77 78 #endif /* FT_CONFIG_OPTION_PIC */ 79 80 81 /* END */ 82