1 /***************************************************************************/ 2 /* */ 3 /* basepic.c */ 4 /* */ 5 /* The FreeType position independent code services for base. */ 6 /* */ 7 /* Copyright 2009 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 "basepic.h" 23 24 #ifdef FT_CONFIG_OPTION_PIC 25 26 /* forward declaration of PIC init functions from ftglyph.c */ 27 void FT_Init_Class_ft_outline_glyph_class( FT_Glyph_Class* clazz ); 28 void FT_Init_Class_ft_bitmap_glyph_class( FT_Glyph_Class* clazz ); 29 30 /* forward declaration of PIC init function from ftrfork.c (not modularized) */ 31 void FT_Init_Table_raccess_guess_table( ft_raccess_guess_rec* record ); 32 33 /* forward declaration of PIC init functions from ftinit.c */ 34 FT_Error 35 ft_create_default_module_classes( FT_Library library ); 36 37 void 38 ft_destroy_default_module_classes( FT_Library library ); 39 40 void ft_base_pic_free(FT_Library library)41 ft_base_pic_free( FT_Library library ) 42 { 43 FT_PIC_Container* pic_container = &library->pic_container; 44 FT_Memory memory = library->memory; 45 if ( pic_container->base ) 46 { 47 /* Destroy default module classes (in case FT_Add_Default_Modules was used) */ 48 ft_destroy_default_module_classes( library ); 49 50 FT_FREE( pic_container->base ); 51 pic_container->base = NULL; 52 } 53 } 54 55 56 FT_Error ft_base_pic_init(FT_Library library)57 ft_base_pic_init( FT_Library library ) 58 { 59 FT_PIC_Container* pic_container = &library->pic_container; 60 FT_Error error = FT_Err_Ok; 61 BasePIC* container; 62 FT_Memory memory = library->memory; 63 64 /* allocate pointer, clear and set global container pointer */ 65 if ( FT_ALLOC ( container, sizeof ( *container ) ) ) 66 return error; 67 FT_MEM_SET( container, 0, sizeof ( *container ) ); 68 pic_container->base = container; 69 70 /* initialize default modules list and pointers */ 71 error = ft_create_default_module_classes( library ); 72 if ( error ) 73 goto Exit; 74 75 /* initialize pointer table - this is how the module usually expects this data */ 76 FT_Init_Class_ft_outline_glyph_class( 77 &container->ft_outline_glyph_class ); 78 FT_Init_Class_ft_bitmap_glyph_class( 79 &container->ft_bitmap_glyph_class ); 80 FT_Init_Table_raccess_guess_table( 81 (ft_raccess_guess_rec*)&container->ft_raccess_guess_table); 82 83 Exit: 84 if( error ) 85 ft_base_pic_free( library ); 86 return error; 87 } 88 89 90 #endif /* FT_CONFIG_OPTION_PIC */ 91 92 93 /* END */ 94