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*); 28 void FT_Init_Class_ft_bitmap_glyph_class(FT_Glyph_Class*); 29 30 /* forward declaration of PIC init functions from ftinit.c */ 31 FT_Error ft_create_default_module_classes(FT_Library); 32 void ft_destroy_default_module_classes(FT_Library); 33 34 void ft_base_pic_free(FT_Library library)35 ft_base_pic_free( FT_Library library ) 36 { 37 FT_PIC_Container* pic_container = &library->pic_container; 38 FT_Memory memory = library->memory; 39 if ( pic_container->base ) 40 { 41 /* Destroy default module classes (in case FT_Add_Default_Modules was used) */ 42 ft_destroy_default_module_classes( library ); 43 44 FT_FREE( pic_container->base ); 45 pic_container->base = NULL; 46 } 47 } 48 49 50 FT_Error ft_base_pic_init(FT_Library library)51 ft_base_pic_init( FT_Library library ) 52 { 53 FT_PIC_Container* pic_container = &library->pic_container; 54 FT_Error error = FT_Err_Ok; 55 BasePIC* container; 56 FT_Memory memory = library->memory; 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->base = container; 63 64 /* initialize default modules list and pointers */ 65 error = ft_create_default_module_classes( library ); 66 if ( error ) 67 goto Exit; 68 69 /* initialize pointer table - this is how the module usually expects this data */ 70 FT_Init_Class_ft_outline_glyph_class(&container->ft_outline_glyph_class); 71 FT_Init_Class_ft_bitmap_glyph_class(&container->ft_bitmap_glyph_class); 72 73 Exit: 74 if(error) 75 ft_base_pic_free(library); 76 return error; 77 } 78 79 80 #endif /* FT_CONFIG_OPTION_PIC */ 81 82 83 /* END */ 84