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-rw-r--r--Build/source/libs/libttf/ttfile.h271
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diff --git a/Build/source/libs/libttf/ttfile.h b/Build/source/libs/libttf/ttfile.h
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index eebd1c1d43e..00000000000
--- a/Build/source/libs/libttf/ttfile.h
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-/*******************************************************************
- *
- * ttfile.h 1.3
- *
- * File I/O Component (specification).
- *
- * Copyright 1996-1999 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.
- *
- * Changes between 1.3 and 1.2:
- *
- * - all functions report error values now
- *
- * - the stream semantics have also changed
- *
- * Changes between 1.2 and 1.1:
- *
- * - added macros to support re-entrant builds
- *
- * - added the TT_Duplicate_File function to duplicate streams
- * (re-entrant builds only)
- *
- ******************************************************************/
-
-#ifndef TTFILE_H
-#define TTFILE_H
-
-#include "ttconfig.h"
-#include "freetype.h"
-#include "ttengine.h"
-#include "ttdebug.h"
-
-#ifdef __cplusplus
- extern "C" {
-#endif
-
- /* Initialize file component */
- LOCAL_DEF
- TT_Error TTFile_Init( PEngine_Instance engine );
-
- /* Done with file component */
- LOCAL_DEF
- TT_Error TTFile_Done( PEngine_Instance engine );
-
-
- /**********************************************************************/
- /* */
- /* Stream functions. */
- /* */
- /**********************************************************************/
-
- /* Open a file and return a stream handle for it. */
- /* Should only be used for a new face object's main stream. */
-
- LOCAL_DEF
- TT_Error TT_Open_Stream( const TT_Text* name,
- TT_Stream* stream );
-
-
- /* Closes, then discards, a stream when it's no longer needed. */
- /* Should only be used for a stream opend with TT_Open_Stream(). */
-
- LOCAL_DEF
- TT_Error TT_Close_Stream( TT_Stream* stream );
-
-
- /* Informs the component that we're going to use the file */
- /* opened in 'org_stream', and report errors to the 'error' */
- /* variable. */
-
- /* in non re-entrant builds, 'org_stream' is simply copied */
- /* to 'stream'. Otherwise, the latter is a duplicate handle */
- /* for the file opened with 'org_stream' */
-
- EXPORT_DEF
- TT_Error TT_Use_Stream( TT_Stream org_stream,
- TT_Stream* stream );
-
- /* Informs the component that we don't need to perform file */
- /* operations on the stream 'stream' anymore. This must be */
- /* used with streams "opened" with TT_Use_Stream() only! */
-
- /* in re-entrant builds, this will really discard the stream */
-
- EXPORT_DEF
- TT_Error TT_Done_Stream( TT_Stream* stream );
-
- /* Closes the stream's file handle to release system resources */
- /* The function TT_Use_Stream automatically re-activates a */
- /* flushed stream when it uses one */
-
- EXPORT_DEF
- TT_Error TT_Flush_Stream( TT_Stream* stream );
-
-/* The macros STREAM_ARGS and STREAM_ARG let us build a thread-safe */
-/* or re-entrant implementation depending on a single configuration */
-/*define. */
-
-#ifdef TT_CONFIG_OPTION_THREAD_SAFE
-
-#define STREAM_ARGS TT_Stream stream,
-#define STREAM_ARG TT_Stream stream
-
-#else
-
-#define STREAM_ARGS /* void */
-#define STREAM_ARG void
-
-#endif /* TT_CONFIG_OPTION_THREAD_SAFE */
-
-
- /****************************************************************/
- /* */
- /* File Functions. */
- /* */
- /* The following functions perform file operations on the */
- /* currently 'used' stream. In thread-safe builds, only one */
- /* stream can be used at a time. Synchronisation is performed */
- /* through the Use_Stream()/Done_Stream() functions. */
- /* */
- /****************************************************************/
-
- /* Read 'count' bytes from file into 'buffer' */
-
- EXPORT_DEF
- TT_Error TT_Read_File( STREAM_ARGS void* buffer,
- Long count );
-
-
- /* Seek file cursor to a given position */
-
- EXPORT_DEF
- TT_Error TT_Seek_File( STREAM_ARGS Long position );
-
-
- /* Skip the next 'distance' bytes in file */
-
- EXPORT_DEF
- TT_Error TT_Skip_File( STREAM_ARGS Long distance );
-
-
- /* Read the 'count' bytes at 'position' into 'buffer' */
-
- EXPORT_DEF
- TT_Error TT_Read_At_File( STREAM_ARGS Long position,
- void* buffer,
- Long count );
-
- /* Return current file position */
-
- EXPORT_DEF
- Long TT_File_Pos( STREAM_ARG );
-
- /* Return length of a given stream, even if it is flushed */
-
- EXPORT_DEF
- Long TT_Stream_Size( TT_Stream stream );
-
-
- /********************************************************************/
- /* */
- /* Frame operations. */
- /* */
- /* For a comprehensive explanation of frames, please refer to the */
- /* documentation files. */
- /* */
- /********************************************************************/
-
- /* Frame type declaration.*/
-
- struct TFileFrame_
- {
- Byte* address; /* frame buffer */
- Byte* cursor; /* current cursor position in frame */
- Long size; /* frame size */
- };
-
- typedef struct TFileFrame_ TFileFrame;
-
- EXPORT_DEF
- const TFileFrame TT_Null_FileFrame;
-
-
-/* The macro ZERO_Frame is used to define and init a frame. */
-/* It is important to have a default frame of { NULL, NULL, 0 } */
-/* before a call to TT_Access_Frame(). Otherwise, the call will */
-/* fail with a TT_Err_Nested_Frame_Accesses error. */
-
-#define ZERO_Frame( frame ) \
- { \
- (frame).address = NULL; \
- (frame).cursor = NULL; \
- (frame).size = 0; \
- }
-
-
-/* The macros FRAME_ARGS and FRAME_ARG let us build a thread-safe */
-/* or re-entrant implementation depending on a single configuration */
-/* define */
-
-#ifdef TT_CONFIG_OPTION_THREAD_SAFE
-
-#define FRAME_ARGS TFileFrame* frame,
-#define FRAME_ARG TFileFrame* frame
-
-#else
-
-#define FRAME_ARGS /* void */
-#define FRAME_ARG void
-
-#endif /* TT_CONFIG_OPTION_THREAD_SAFE */
-
-
- /* Access the next 'size' bytes from current position. */
- /* Fails if all bytes cannot be read/accessed. */
-
- EXPORT_DEF
- TT_Error TT_Access_Frame( STREAM_ARGS FRAME_ARGS Long size );
-
-
- /* Access the bytes located in the next 'size' bytes of the file. */
- /* Doesn't fail if less than 'size' bytes are accessible (like */
- /* at the end of the file). */
-
- EXPORT_DEF
- TT_Error TT_Check_And_Access_Frame( STREAM_ARGS FRAME_ARGS Long size );
-
- /* Forget frame */
-
- EXPORT_DEF
- TT_Error TT_Forget_Frame( FRAME_ARG );
-
-
- /* primitive routines for data accessing */
-
- EXPORT_DEF
- Char TT_Get_Char ( FRAME_ARG );
- EXPORT_DEF
- Short TT_Get_Short( FRAME_ARG );
- EXPORT_DEF
- Long TT_Get_Long ( FRAME_ARG );
-
-#ifdef TT_CONFIG_OPTION_THREAD_SAFE
-
-#define TT_Get_Byte( frame ) ( (Byte )TT_Get_Char ( frame ) )
-#define TT_Get_UShort( frame ) ( (UShort)TT_Get_Short( frame ) )
-#define TT_Get_ULong( frame ) ( (ULong )TT_Get_Long ( frame ) )
-
-#else
-
-#define TT_Get_Byte() ( (Byte )TT_Get_Char () )
-#define TT_Get_UShort() ( (UShort)TT_Get_Short() )
-#define TT_Get_ULong() ( (ULong )TT_Get_Long () )
-
-#endif /* TT_CONFIG_OPTION_THREAD_SAFE */
-
-
-#ifdef __cplusplus
- }
-#endif
-
-#endif /* TTFILE_H */
-
-
-/* END */