ROOT_528-00b_version: graf2d/freetype/src/freetype-2.3.12/src/truetype/ttpic.c Source File

00001 /***************************************************************************/
00002 /*                                                                         */
00003 /*  ttpic.c                                                                */
00004 /*                                                                         */
00005 /*    The FreeType position independent code services for truetype module. */
00006 /*                                                                         */
00007 /*  Copyright 2009 by                                                      */
00008 /*  Oran Agra and Mickey Gabel.                                            */
00009 /*                                                                         */
00010 /*  This file is part of the FreeType project, and may only be used,       */
00011 /*  modified, and distributed under the terms of the FreeType project      */
00012 /*  license, LICENSE.TXT.  By continuing to use, modify, or distribute     */
00013 /*  this file you indicate that you have read the license and              */
00014 /*  understand and accept it fully.                                        */
00015 /*                                                                         */
00016 /***************************************************************************/
00017 
00018 
00019 #include <ft2build.h>
00020 #include FT_FREETYPE_H
00021 #include FT_INTERNAL_OBJECTS_H
00022 #include "ttpic.h"
00023 
00024 #ifdef FT_CONFIG_OPTION_PIC
00025 
00026   /* forward declaration of PIC init functions from ttdriver.c */
00027   FT_Error FT_Create_Class_tt_services( FT_Library, FT_ServiceDescRec**);
00028   void FT_Destroy_Class_tt_services( FT_Library, FT_ServiceDescRec*);
00029   void FT_Init_Class_tt_service_gx_multi_masters(FT_Service_MultiMastersRec*);
00030   void FT_Init_Class_tt_service_truetype_glyf(FT_Service_TTGlyfRec*);
00031 
00032   void
00033   tt_driver_class_pic_free(  FT_Library library )
00034   {
00035     FT_PIC_Container* pic_container = &library->pic_container;
00036     FT_Memory memory = library->memory;
00037     if ( pic_container->truetype )
00038     {
00039       TTModulePIC* container = (TTModulePIC*)pic_container->truetype;
00040       if(container->tt_services)
00041         FT_Destroy_Class_tt_services(library, container->tt_services);
00042       container->tt_services = NULL;
00043       FT_FREE( container );
00044       pic_container->truetype = NULL;
00045     }
00046   }
00047 
00048   FT_Error
00049   tt_driver_class_pic_init(  FT_Library library )
00050   {
00051     FT_PIC_Container* pic_container = &library->pic_container;
00052     FT_Error        error = FT_Err_Ok;
00053     TTModulePIC* container;
00054     FT_Memory memory = library->memory;
00055 
00056     /* allocate pointer, clear and set global container pointer */
00057     if ( FT_ALLOC ( container, sizeof ( *container ) ) )
00058       return error;
00059     FT_MEM_SET( container, 0, sizeof(*container) );
00060     pic_container->truetype = container;
00061 
00062     /* initialize pointer table - this is how the module usually expects this data */
00063     error = FT_Create_Class_tt_services(library, &container->tt_services);
00064     if(error) 
00065       goto Exit;
00066 #ifdef TT_CONFIG_OPTION_GX_VAR_SUPPORT
00067     FT_Init_Class_tt_service_gx_multi_masters(&container->tt_service_gx_multi_masters);
00068 #endif
00069     FT_Init_Class_tt_service_truetype_glyf(&container->tt_service_truetype_glyf);
00070 Exit:
00071     if(error)
00072       tt_driver_class_pic_free(library);
00073     return error;
00074   }
00075 
00076 #endif /* FT_CONFIG_OPTION_PIC */
00077 
00078 
00079 /* END */