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/***************************************************************************/
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/* */
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/* ftbzip2.h */
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/* */
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/* Bzip2-compressed stream support. */
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/* */
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/* Copyright 2010-2017 by */
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/* Joel Klinghed. */
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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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#ifndef FTBZIP2_H_
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#define FTBZIP2_H_
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#include <ft2build.h>
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#include FT_FREETYPE_H
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#ifdef FREETYPE_H
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#error "freetype.h of FreeType 1 has been loaded!"
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#error "Please fix the directory search order for header files"
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#error "so that freetype.h of FreeType 2 is found first."
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#endif
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FT_BEGIN_HEADER
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/*************************************************************************/
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/* */
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/* <Section> */
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/* bzip2 */
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/* */
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/* <Title> */
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/* BZIP2 Streams */
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/* */
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/* <Abstract> */
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/* Using bzip2-compressed font files. */
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/* */
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/* <Description> */
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/* This section contains the declaration of Bzip2-specific functions. */
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/* */
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/*************************************************************************/
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/************************************************************************
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*
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* @function:
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* FT_Stream_OpenBzip2
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*
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* @description:
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* Open a new stream to parse bzip2-compressed font files. This is
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* mainly used to support the compressed `*.pcf.bz2' fonts that come
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* with XFree86.
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*
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* @input:
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* stream ::
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* The target embedding stream.
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*
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* source ::
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* The source stream.
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*
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* @return:
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* FreeType error code. 0~means success.
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*
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* @note:
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* The source stream must be opened _before_ calling this function.
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*
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* Calling the internal function `FT_Stream_Close' on the new stream will
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* *not* call `FT_Stream_Close' on the source stream. None of the stream
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* objects will be released to the heap.
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*
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* The stream implementation is very basic and resets the decompression
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* process each time seeking backwards is needed within the stream.
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*
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* In certain builds of the library, bzip2 compression recognition is
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* automatically handled when calling @FT_New_Face or @FT_Open_Face.
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* This means that if no font driver is capable of handling the raw
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* compressed file, the library will try to open a bzip2 compressed stream
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* from it and re-open the face with it.
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*
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* This function may return `FT_Err_Unimplemented_Feature' if your build
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* of FreeType was not compiled with bzip2 support.
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*/
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FT_EXPORT( FT_Error )
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FT_Stream_OpenBzip2( FT_Stream stream,
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FT_Stream source );
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/* */
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FT_END_HEADER
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#endif /* FTBZIP2_H_ */
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/* END */
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