Current File : //usr/include/freetype2/freetype/ftbzip2.h
/***************************************************************************/
/* */
/* ftbzip2.h */
/* */
/* Bzip2-compressed stream support. */
/* */
/* Copyright 2010-2018 by */
/* Joel Klinghed. */
/* */
/* 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 FTBZIP2_H_
#define FTBZIP2_H_
#include <ft2build.h>
#include FT_FREETYPE_H
#ifdef FREETYPE_H
#error "freetype.h of FreeType 1 has been loaded!"
#error "Please fix the directory search order for header files"
#error "so that freetype.h of FreeType 2 is found first."
#endif
FT_BEGIN_HEADER
/*************************************************************************/
/* */
/* <Section> */
/* bzip2 */
/* */
/* <Title> */
/* BZIP2 Streams */
/* */
/* <Abstract> */
/* Using bzip2-compressed font files. */
/* */
/* <Description> */
/* This section contains the declaration of Bzip2-specific functions. */
/* */
/*************************************************************************/
/************************************************************************
*
* @function:
* FT_Stream_OpenBzip2
*
* @description:
* Open a new stream to parse bzip2-compressed font files. This is
* mainly used to support the compressed `*.pcf.bz2' fonts that come
* with XFree86.
*
* @input:
* stream ::
* The target embedding stream.
*
* source ::
* The source stream.
*
* @return:
* FreeType error code. 0~means success.
*
* @note:
* The source stream must be opened _before_ calling this function.
*
* Calling the internal function `FT_Stream_Close' on the new stream will
* *not* call `FT_Stream_Close' on the source stream. None of the stream
* objects will be released to the heap.
*
* The stream implementation is very basic and resets the decompression
* process each time seeking backwards is needed within the stream.
*
* In certain builds of the library, bzip2 compression recognition is
* automatically handled when calling @FT_New_Face or @FT_Open_Face.
* This means that if no font driver is capable of handling the raw
* compressed file, the library will try to open a bzip2 compressed stream
* from it and re-open the face with it.
*
* This function may return `FT_Err_Unimplemented_Feature' if your build
* of FreeType was not compiled with bzip2 support.
*/
FT_EXPORT( FT_Error )
FT_Stream_OpenBzip2( FT_Stream stream,
FT_Stream source );
/* */
FT_END_HEADER
#endif /* FTBZIP2_H_ */
/* END */
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