/***************************************************************************/ | |
/* */ | |
/* 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 */ |