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Name	Size	Permission
config	[ DIR ]	drwxr-xr-x
freetype.h	279.94 KB	-rw-r--r--
ftadvanc.h	10.39 KB	-rw-r--r--
ftautoh.h	19.42 KB	-rw-r--r--
ftbbox.h	5.11 KB	-rw-r--r--
ftbdf.h	6.63 KB	-rw-r--r--
ftbitmap.h	14.35 KB	-rw-r--r--
ftbzip2.h	4.2 KB	-rw-r--r--
ftcache.h	58.1 KB	-rw-r--r--
ftcffdrv.h	12.11 KB	-rw-r--r--
ftchapters.h	9.38 KB	-rw-r--r--
ftcid.h	5.52 KB	-rw-r--r--
fterrdef.h	14.1 KB	-rw-r--r--
fterrors.h	11.1 KB	-rw-r--r--
ftfntfmt.h	4.86 KB	-rw-r--r--
ftgasp.h	4.68 KB	-rw-r--r--
ftglyph.h	37.78 KB	-rw-r--r--
ftgxval.h	13.08 KB	-rw-r--r--
ftgzip.h	5.49 KB	-rw-r--r--
ftimage.h	73.91 KB	-rw-r--r--
ftincrem.h	11.13 KB	-rw-r--r--
ftlcdfil.h	12.28 KB	-rw-r--r--
ftlist.h	16.36 KB	-rw-r--r--
ftlzw.h	4.15 KB	-rw-r--r--
ftmac.h	16.69 KB	-rw-r--r--
ftmm.h	29.86 KB	-rw-r--r--
ftmodapi.h	37.05 KB	-rw-r--r--
ftmoderr.h	10.17 KB	-rw-r--r--
ftotval.h	7.41 KB	-rw-r--r--
ftoutln.h	34.9 KB	-rw-r--r--
ftpcfdrv.h	3.68 KB	-rw-r--r--
ftpfr.h	6.13 KB	-rw-r--r--
ftrender.h	11.05 KB	-rw-r--r--
ftsizes.h	9.33 KB	-rw-r--r--
ftsnames.h	16.21 KB	-rw-r--r--
ftstroke.h	21.78 KB	-rw-r--r--
ftsynth.h	4.03 KB	-rw-r--r--
ftsystem.h	10.31 KB	-rw-r--r--
fttrigon.h	8.23 KB	-rw-r--r--
ftttdrv.h	15.13 KB	-rw-r--r--
fttypes.h	34.84 KB	-rw-r--r--
ftwinfnt.h	10.16 KB	-rw-r--r--
t1tables.h	34.21 KB	-rw-r--r--
ttnameid.h	58.55 KB	-rw-r--r--
tttables.h	44.33 KB	-rw-r--r--
tttags.h	5.29 KB	-rw-r--r--
ttunpat.h	2.28 KB	-rw-r--r--

Code Editor : ftsystem.h

/***************************************************************************/
/*                                                                         */
/*  ftsystem.h                                                             */
/*                                                                         */
/*    FreeType low-level system interface definition (specification).      */
/*                                                                         */
/*  Copyright 1996-2017 by                                                 */
/*  David Turner, Robert Wilhelm, and Werner Lemberg.                      */
/*                                                                         */
/*  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.                                        */
/*                                                                         */
/***************************************************************************/

#ifndef FTSYSTEM_H_
#define FTSYSTEM_H_

#include <ft2build.h>

FT_BEGIN_HEADER

/*************************************************************************/
  /*                                                                       */
  /* <Section>                                                             */
  /*   system_interface                                                    */
  /*                                                                       */
  /* <Title>                                                               */
  /*   System Interface                                                    */
  /*                                                                       */
  /* <Abstract>                                                            */
  /*   How FreeType manages memory and i/o.                                */
  /*                                                                       */
  /* <Description>                                                         */
  /*   This section contains various definitions related to memory         */
  /*   management and i/o access.  You need to understand this             */
  /*   information if you want to use a custom memory manager or you own   */
  /*   i/o streams.                                                        */
  /*                                                                       */
  /*************************************************************************/

/*************************************************************************/
  /*                                                                       */
  /*                  M E M O R Y   M A N A G E M E N T                    */
  /*                                                                       */
  /*************************************************************************/

/*************************************************************************
   *
   * @type:
   *   FT_Memory
   *
   * @description:
   *   A handle to a given memory manager object, defined with an
   *   @FT_MemoryRec structure.
   *
   */
  typedef struct FT_MemoryRec_*  FT_Memory;

/*************************************************************************
   *
   * @functype:
   *   FT_Alloc_Func
   *
   * @description:
   *   A function used to allocate `size' bytes from `memory'.
   *
   * @input:
   *   memory ::
   *     A handle to the source memory manager.
   *
   *   size ::
   *     The size in bytes to allocate.
   *
   * @return:
   *   Address of new memory block.  0~in case of failure.
   *
   */
  typedef void*
  (*FT_Alloc_Func)( FT_Memory  memory,
                    long       size );

/*************************************************************************
   *
   * @functype:
   *   FT_Free_Func
   *
   * @description:
   *   A function used to release a given block of memory.
   *
   * @input:
   *   memory ::
   *     A handle to the source memory manager.
   *
   *   block ::
   *     The address of the target memory block.
   *
   */
  typedef void
  (*FT_Free_Func)( FT_Memory  memory,
                   void*      block );

/*************************************************************************
   *
   * @functype:
   *   FT_Realloc_Func
   *
   * @description:
   *   A function used to re-allocate a given block of memory.
   *
   * @input:
   *   memory ::
   *     A handle to the source memory manager.
   *
   *   cur_size ::
   *     The block's current size in bytes.
   *
   *   new_size ::
   *     The block's requested new size.
   *
   *   block ::
   *     The block's current address.
   *
   * @return:
   *   New block address.  0~in case of memory shortage.
   *
   * @note:
   *   In case of error, the old block must still be available.
   *
   */
  typedef void*
  (*FT_Realloc_Func)( FT_Memory  memory,
                      long       cur_size,
                      long       new_size,
                      void*      block );

/*************************************************************************
   *
   * @struct:
   *   FT_MemoryRec
   *
   * @description:
   *   A structure used to describe a given memory manager to FreeType~2.
   *
   * @fields:
   *   user ::
   *     A generic typeless pointer for user data.
   *
   *   alloc ::
   *     A pointer type to an allocation function.
   *
   *   free ::
   *     A pointer type to an memory freeing function.
   *
   *   realloc ::
   *     A pointer type to a reallocation function.
   *
   */
  struct  FT_MemoryRec_
  {
    void*            user;
    FT_Alloc_Func    alloc;
    FT_Free_Func     free;
    FT_Realloc_Func  realloc;
  };

/*************************************************************************/
  /*                                                                       */
  /*                       I / O   M A N A G E M E N T                     */
  /*                                                                       */
  /*************************************************************************/

/*************************************************************************
   *
   * @type:
   *   FT_Stream
   *
   * @description:
   *   A handle to an input stream.
   *
   * @also:
   *   See @FT_StreamRec for the publicly accessible fields of a given
   *   stream object.
   *
   */
  typedef struct FT_StreamRec_*  FT_Stream;

/*************************************************************************
   *
   * @struct:
   *   FT_StreamDesc
   *
   * @description:
   *   A union type used to store either a long or a pointer.  This is used
   *   to store a file descriptor or a `FILE*' in an input stream.
   *
   */
  typedef union  FT_StreamDesc_
  {
    long   value;
    void*  pointer;

} FT_StreamDesc;

/*************************************************************************
   *
   * @functype:
   *   FT_Stream_IoFunc
   *
   * @description:
   *   A function used to seek and read data from a given input stream.
   *
   * @input:
   *   stream ::
   *     A handle to the source stream.
   *
   *   offset ::
   *     The offset of read in stream (always from start).
   *
   *   buffer ::
   *     The address of the read buffer.
   *
   *   count ::
   *     The number of bytes to read from the stream.
   *
   * @return:
   *   The number of bytes effectively read by the stream.
   *
   * @note:
   *   This function might be called to perform a seek or skip operation
   *   with a `count' of~0.  A non-zero return value then indicates an
   *   error.
   *
   */
  typedef unsigned long
  (*FT_Stream_IoFunc)( FT_Stream       stream,
                       unsigned long   offset,
                       unsigned char*  buffer,
                       unsigned long   count );

/*************************************************************************
   *
   * @functype:
   *   FT_Stream_CloseFunc
   *
   * @description:
   *   A function used to close a given input stream.
   *
   * @input:
   *  stream ::
   *     A handle to the target stream.
   *
   */
  typedef void
  (*FT_Stream_CloseFunc)( FT_Stream  stream );

/*************************************************************************
   *
   * @struct:
   *   FT_StreamRec
   *
   * @description:
   *   A structure used to describe an input stream.
   *
   * @input:
   *   base ::
   *     For memory-based streams, this is the address of the first stream
   *     byte in memory.  This field should always be set to NULL for
   *     disk-based streams.
   *
   *   size ::
   *     The stream size in bytes.
   *
   *     In case of compressed streams where the size is unknown before
   *     actually doing the decompression, the value is set to 0x7FFFFFFF.
   *     (Note that this size value can occur for normal streams also; it is
   *     thus just a hint.)
   *
   *   pos ::
   *     The current position within the stream.
   *
   *   descriptor ::
   *     This field is a union that can hold an integer or a pointer.  It is
   *     used by stream implementations to store file descriptors or `FILE*'
   *     pointers.
   *
   *   pathname ::
   *     This field is completely ignored by FreeType.  However, it is often
   *     useful during debugging to use it to store the stream's filename
   *     (where available).
   *
   *   read ::
   *     The stream's input function.
   *
   *   close ::
   *     The stream's close function.
   *
   *   memory ::
   *     The memory manager to use to preload frames.  This is set
   *     internally by FreeType and shouldn't be touched by stream
   *     implementations.
   *
   *   cursor ::
   *     This field is set and used internally by FreeType when parsing
   *     frames.
   *
   *   limit ::
   *     This field is set and used internally by FreeType when parsing
   *     frames.
   *
   */
  typedef struct  FT_StreamRec_
  {
    unsigned char*       base;
    unsigned long        size;
    unsigned long        pos;

FT_StreamDesc        descriptor;
    FT_StreamDesc        pathname;
    FT_Stream_IoFunc     read;
    FT_Stream_CloseFunc  close;

FT_Memory            memory;
    unsigned char*       cursor;
    unsigned char*       limit;

} FT_StreamRec;

/* */

FT_END_HEADER

#endif /* FTSYSTEM_H_ */

/* END */

${this.title}

Code Editor : ftsystem.h