138 lines
4.6 KiB
C
138 lines
4.6 KiB
C
/***************************************************************************/
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/* */
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/* afpic.c */
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/* */
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/* The FreeType position independent code services for autofit module. */
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/* */
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/* Copyright 2009-2013 by */
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/* Oran Agra and Mickey Gabel. */
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/* */
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/* This file is part of the FreeType project, and may only be used, */
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/* modified, and distributed under the terms of the FreeType project */
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/* license, LICENSE.TXT. By continuing to use, modify, or distribute */
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/* this file you indicate that you have read the license and */
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/* understand and accept it fully. */
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/* */
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/***************************************************************************/
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#include <ft2build.h>
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#include FT_FREETYPE_H
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#include FT_INTERNAL_OBJECTS_H
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#include "afpic.h"
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#include "aferrors.h"
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#ifdef FT_CONFIG_OPTION_PIC
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/* forward declaration of PIC init functions from afmodule.c */
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FT_Error
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FT_Create_Class_af_services( FT_Library library,
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FT_ServiceDescRec** output_class );
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void
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FT_Destroy_Class_af_services( FT_Library library,
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FT_ServiceDescRec* clazz );
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void
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FT_Init_Class_af_service_properties( FT_Service_PropertiesRec* clazz );
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void FT_Init_Class_af_autofitter_interface(
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FT_Library library,
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FT_AutoHinter_InterfaceRec* clazz );
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/* forward declaration of PIC init functions from script classes */
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#include "aflatin.h"
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#ifdef FT_OPTION_AUTOFIT2
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#include "aflatin2.h"
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#endif
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#include "afcjk.h"
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#include "afdummy.h"
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#include "afindic.h"
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void
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autofit_module_class_pic_free( FT_Library library )
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{
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FT_PIC_Container* pic_container = &library->pic_container;
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FT_Memory memory = library->memory;
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if ( pic_container->autofit )
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{
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AFModulePIC* container = (AFModulePIC*)pic_container->autofit;
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if ( container->af_services )
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FT_Destroy_Class_af_services( library,
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container->af_services );
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container->af_services = NULL;
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FT_FREE( container );
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pic_container->autofit = NULL;
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}
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}
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FT_Error
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autofit_module_class_pic_init( FT_Library library )
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{
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FT_PIC_Container* pic_container = &library->pic_container;
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FT_UInt ss;
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FT_Error error = FT_Err_Ok;
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AFModulePIC* container = NULL;
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FT_Memory memory = library->memory;
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/* allocate pointer, clear and set global container pointer */
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if ( FT_ALLOC ( container, sizeof ( *container ) ) )
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return error;
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FT_MEM_SET( container, 0, sizeof ( *container ) );
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pic_container->autofit = container;
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/* initialize pointer table - */
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/* this is how the module usually expects this data */
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error = FT_Create_Class_af_services( library,
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&container->af_services );
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if ( error )
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goto Exit;
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FT_Init_Class_af_service_properties( &container->af_service_properties );
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for ( ss = 0 ; ss < AF_SCRIPT_CLASSES_REC_COUNT ; ss++ )
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{
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container->af_script_classes[ss] =
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&container->af_script_classes_rec[ss];
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}
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container->af_script_classes[AF_SCRIPT_CLASSES_COUNT - 1] = NULL;
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/* add call to initialization function when you add new scripts */
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ss = 0;
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FT_Init_Class_af_dummy_script_class(
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&container->af_script_classes_rec[ss++] );
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#ifdef FT_OPTION_AUTOFIT2
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FT_Init_Class_af_latin2_script_class(
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&container->af_script_classes_rec[ss++] );
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#endif
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FT_Init_Class_af_latin_script_class(
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&container->af_script_classes_rec[ss++] );
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FT_Init_Class_af_cjk_script_class(
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&container->af_script_classes_rec[ss++] );
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FT_Init_Class_af_indic_script_class(
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&container->af_script_classes_rec[ss++] );
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FT_Init_Class_af_autofitter_interface(
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library, &container->af_autofitter_interface );
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Exit:
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if ( error )
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autofit_module_class_pic_free( library );
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return error;
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}
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#endif /* FT_CONFIG_OPTION_PIC */
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/* END */
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