| /***************************************************************************/ |
| /* */ |
| /* afpic.c */ |
| /* */ |
| /* The FreeType position independent code services for autofit module. */ |
| /* */ |
| /* Copyright 2009-2015 by */ |
| /* Oran Agra and Mickey Gabel. */ |
| /* */ |
| /* This file is part of the FreeType project, and may only be used, */ |
| /* modified, and distributed under the terms of the FreeType project */ |
| /* license, LICENSE.TXT. By continuing to use, modify, or distribute */ |
| /* this file you indicate that you have read the license and */ |
| /* understand and accept it fully. */ |
| /* */ |
| /***************************************************************************/ |
| |
| |
| #include <ft2build.h> |
| #include FT_FREETYPE_H |
| #include FT_INTERNAL_OBJECTS_H |
| #include "afpic.h" |
| #include "afglobal.h" |
| #include "aferrors.h" |
| |
| |
| #ifdef FT_CONFIG_OPTION_PIC |
| |
| /* forward declaration of PIC init functions from afmodule.c */ |
| FT_Error |
| FT_Create_Class_af_services( FT_Library library, |
| FT_ServiceDescRec** output_class ); |
| |
| void |
| FT_Destroy_Class_af_services( FT_Library library, |
| FT_ServiceDescRec* clazz ); |
| |
| void |
| FT_Init_Class_af_service_properties( FT_Service_PropertiesRec* clazz ); |
| |
| void FT_Init_Class_af_autofitter_interface( |
| FT_Library library, |
| FT_AutoHinter_InterfaceRec* clazz ); |
| |
| |
| /* forward declaration of PIC init functions from writing system classes */ |
| #undef WRITING_SYSTEM |
| #define WRITING_SYSTEM( ws, WS ) /* empty */ |
| |
| #include "afwrtsys.h" |
| |
| |
| void |
| autofit_module_class_pic_free( FT_Library library ) |
| { |
| FT_PIC_Container* pic_container = &library->pic_container; |
| FT_Memory memory = library->memory; |
| |
| |
| if ( pic_container->autofit ) |
| { |
| AFModulePIC* container = (AFModulePIC*)pic_container->autofit; |
| |
| |
| if ( container->af_services ) |
| FT_Destroy_Class_af_services( library, |
| container->af_services ); |
| container->af_services = NULL; |
| |
| FT_FREE( container ); |
| pic_container->autofit = NULL; |
| } |
| } |
| |
| |
| FT_Error |
| autofit_module_class_pic_init( FT_Library library ) |
| { |
| FT_PIC_Container* pic_container = &library->pic_container; |
| FT_UInt ss; |
| FT_Error error = FT_Err_Ok; |
| AFModulePIC* container = NULL; |
| FT_Memory memory = library->memory; |
| |
| |
| /* allocate pointer, clear and set global container pointer */ |
| if ( FT_ALLOC ( container, sizeof ( *container ) ) ) |
| return error; |
| FT_MEM_SET( container, 0, sizeof ( *container ) ); |
| pic_container->autofit = container; |
| |
| /* initialize pointer table - */ |
| /* this is how the module usually expects this data */ |
| error = FT_Create_Class_af_services( library, |
| &container->af_services ); |
| if ( error ) |
| goto Exit; |
| |
| FT_Init_Class_af_service_properties( &container->af_service_properties ); |
| |
| for ( ss = 0; ss < AF_WRITING_SYSTEM_MAX; ss++ ) |
| container->af_writing_system_classes[ss] = |
| &container->af_writing_system_classes_rec[ss]; |
| container->af_writing_system_classes[AF_WRITING_SYSTEM_MAX] = NULL; |
| |
| for ( ss = 0; ss < AF_SCRIPT_MAX; ss++ ) |
| container->af_script_classes[ss] = |
| &container->af_script_classes_rec[ss]; |
| container->af_script_classes[AF_SCRIPT_MAX] = NULL; |
| |
| for ( ss = 0; ss < AF_STYLE_MAX; ss++ ) |
| container->af_style_classes[ss] = |
| &container->af_style_classes_rec[ss]; |
| container->af_style_classes[AF_STYLE_MAX] = NULL; |
| |
| #undef WRITING_SYSTEM |
| #define WRITING_SYSTEM( ws, WS ) \ |
| FT_Init_Class_af_ ## ws ## _writing_system_class( \ |
| &container->af_writing_system_classes_rec[ss++] ); |
| |
| ss = 0; |
| #include "afwrtsys.h" |
| |
| #undef SCRIPT |
| #define SCRIPT( s, S, d, h, sc1, sc2, sc3 ) \ |
| FT_Init_Class_af_ ## s ## _script_class( \ |
| &container->af_script_classes_rec[ss++] ); |
| |
| ss = 0; |
| #include "afscript.h" |
| |
| #undef STYLE |
| #define STYLE( s, S, d, ws, sc, bss, c ) \ |
| FT_Init_Class_af_ ## s ## _style_class( \ |
| &container->af_style_classes_rec[ss++] ); |
| |
| ss = 0; |
| #include "afstyles.h" |
| |
| FT_Init_Class_af_autofitter_interface( |
| library, &container->af_autofitter_interface ); |
| |
| Exit: |
| if ( error ) |
| autofit_module_class_pic_free( library ); |
| return error; |
| } |
| |
| #endif /* FT_CONFIG_OPTION_PIC */ |
| |
| |
| /* END */ |