/***************************************************************************/
/* */
/* afpic.c */
/* */
/* The FreeType position independent code services for autofit module. */
/* */
/* Copyright 2009-2018 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, H, sss ) \
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 */
