kc3-lang/freetype/src/pshinter/pshpic.c

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• Hash : 4e711be9
  Author :
  Date : 2009-04-05T18:20:16
  

  Position Independent Code (PIC) support in pshinter module. * include/freetype/internal/pshints.h add macros to init instances of PSHinter_Interface. * src/pshinter/pshmod.h declare pshinter_module_class using macros from ftmodapi.h, when FT_CONFIG_OPTION_PIC is defined create and destroy functions will be declared. * src/pshinter/pshmod.c when FT_CONFIG_OPTION_PIC is defined pshinter_interface and pshinter_module_class structs will have functions to init or create and destroy them instead of being allocated in the global scope. And macros will be used from pshpic.h in order to access them. New Files: * src/pshinter/pshpic.h declare struct to hold PIC globals for pshinter module and macros to access them. * src/pshinter/pshpic.c implement functions to allocate, destroy and initialize PIC globals for pshinter module. * src/pshinter/pshinter.c add new file to build: pshpic.c. * src/pshinter/jamfile add new files to FT2_MULTI build: pshpic.c.

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• src/pshinter/pshpic.c

• /***************************************************************************/
  /*                                                                         */
  /*  pshpic.c                                                               */
  /*                                                                         */
  /*    The FreeType position independent code services for pshinter module. */
  /*                                                                         */
  /*  Copyright 2009 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 "pshpic.h"
  
  #ifdef FT_CONFIG_OPTION_PIC
  
    /* forward declaration of PIC init functions from pshmod.c */
    void FT_Init_Class_pshinter_interface( FT_Library, PSHinter_Interface*);
  
    void
    pshinter_module_class_pic_free( FT_Library library )
    {
      FT_PIC_Container* pic_container = &library->pic_container;
      FT_Memory memory = library->memory;
      if ( pic_container->pshinter )
      {
        FT_FREE( pic_container->pshinter );
        pic_container->pshinter = NULL;
      }
    }
  
    FT_Error
    pshinter_module_class_pic_init( FT_Library library )
    {
      FT_PIC_Container* pic_container = &library->pic_container;
      FT_Error        error = FT_Err_Ok;
      PSHinterPIC*  container;
      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->pshinter = container;
      
      /* add call to initialization function when you add new scripts */
      FT_Init_Class_pshinter_interface(library, &container->pshinter_interface);
  
  /*Exit:*/
      if(error)
        pshinter_module_class_pic_free(library);
      return error;
    }
  
  
  #endif /* FT_CONFIG_OPTION_PIC */
  
  /* END */
  

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