+++ /dev/null
-/***************************************************************************/
-/* */
-/* ftsystem.c */
-/* */
-/* ANSI-specific FreeType low-level system interface (body). */
-/* */
-/* Copyright 1996-2000 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. */
-/* */
-/***************************************************************************/
-
- /*************************************************************************/
- /* */
- /* This file contains the default interface used by FreeType to access */
- /* low-level, i.e. memory management, i/o access as well as thread */
- /* synchronisation. It can be replaced by user-specific routines if */
- /* necessary. */
- /* */
- /*************************************************************************/
-
-#include <ddk/ntddk.h>
-
-#include <freetype/config/ftconfig.h>
-#include <freetype/internal/ftdebug.h>
-#include <freetype/ftsystem.h>
-#include <freetype/fterrors.h>
-#include <freetype/fttypes.h>
-
-#include <stdio.h>
-#include <stdlib.h>
-#include <string.h>
-
-
- /*************************************************************************/
- /* */
- /* MEMORY MANAGEMENT INTERFACE */
- /* */
- /*************************************************************************/
-
- /*************************************************************************/
- /* */
- /* It is not necessary to do any error checking for the */
- /* allocation-related functions. This will be done by the higher level */
- /* routines like FT_Alloc() or FT_Realloc(). */
- /* */
- /*************************************************************************/
-
-
- /*************************************************************************/
- /* */
- /* <Function> */
- /* ft_alloc */
- /* */
- /* <Description> */
- /* The memory allocation function. */
- /* */
- /* <Input> */
- /* memory :: A pointer to the memory object. */
- /* */
- /* size :: The requested size in bytes. */
- /* */
- /* <Return> */
- /* block :: The address of newly allocated block. */
- /* */
- static
- void* ft_alloc( FT_Memory memory,
- long size )
- {
- FT_UNUSED( memory );
-
-/* return malloc( size ); */
- return ExAllocatePool(NonPagedPool, size);
- }
-
-
- /*************************************************************************/
- /* */
- /* <Function> */
- /* ft_realloc */
- /* */
- /* <Description> */
- /* The memory reallocation function. */
- /* */
- /* <Input> */
- /* memory :: A pointer to the memory object. */
- /* */
- /* cur_size :: The current size of the allocated memory block. */
- /* */
- /* new_size :: The newly requested size in bytes. */
- /* */
- /* block :: The current address of the block in memory. */
- /* */
- /* <Return> */
- /* The address of the reallocated memory block. */
- /* */
- static
- void* ft_realloc( FT_Memory memory,
- long cur_size,
- long new_size,
- void* block )
- {
- FT_UNUSED( memory );
- FT_UNUSED( cur_size );
-
-/* return realloc( block, new_size ); */
- ExFreePool(block);
- return ExAllocatePool(NonPagedPool, new_size);
- }
-
-
- /*************************************************************************/
- /* */
- /* <Function> */
- /* ft_free */
- /* */
- /* <Description> */
- /* The memory release function. */
- /* */
- /* <Input> */
- /* memory :: A pointer to the memory object. */
- /* */
- /* block :: The address of block in memory to be freed. */
- /* */
- static
- void ft_free( FT_Memory memory,
- void* block )
- {
- FT_UNUSED( memory );
-
-/* free( block ); */
- ExFreePool(block);
- }
-
-
- /*************************************************************************/
- /* */
- /* RESOURCE MANAGEMENT INTERFACE */
- /* */
- /*************************************************************************/
-
-
- /*************************************************************************/
- /* */
- /* The macro FT_COMPONENT is used in trace mode. It is an implicit */
- /* parameter of the FT_TRACE() and FT_ERROR() macros, used to print/log */
- /* messages during execution. */
- /* */
-#undef FT_COMPONENT
-#define FT_COMPONENT trace_io
-
- /* We use the macro STREAM_FILE for convenience to extract the */
- /* system-specific stream handle from a given FreeType stream object */
-#define STREAM_FILE( stream ) ( (FILE*)stream->descriptor.pointer )
-
-
- /*************************************************************************/
- /* */
- /* <Function> */
- /* ft_close_stream */
- /* */
- /* <Description> */
- /* The function to close a stream. */
- /* */
- /* <Input> */
- /* stream :: A pointer to the stream object. */
- /* */
- static
- void ft_close_stream( FT_Stream stream )
- {
- DbgPrint("ftsystem.c: UNIMPLEMENTED CALL\n");
-
-/* fclose( STREAM_FILE( stream ) ); */
-
- stream->descriptor.pointer = NULL;
- stream->size = 0;
- stream->base = 0;
- }
-
-
- /*************************************************************************/
- /* */
- /* <Function> */
- /* ft_io_stream */
- /* */
- /* <Description> */
- /* The function to open a stream. */
- /* */
- /* <Input> */
- /* stream :: A pointer to the stream object. */
- /* */
- /* offset :: The position in the data stream to start reading. */
- /* */
- /* buffer :: The address of buffer to store the read data. */
- /* */
- /* count :: The number of bytes to read from the stream. */
- /* */
- /* <Return> */
- /* The number of bytes actually read. */
- /* */
- static
- unsigned long ft_io_stream( FT_Stream stream,
- unsigned long offset,
- unsigned char* buffer,
- unsigned long count )
- {
- FILE* file;
-
- DbgPrint("ftsystem.c: UNIMPLEMENTED CALL\n");
- file = STREAM_FILE( stream );
-
-/* fseek( file, offset, SEEK_SET ); */
-/* return (unsigned long)fread( buffer, 1, count, file ); */
- }
-
-
- /*************************************************************************/
- /* */
- /* <Function> */
- /* FT_New_Stream */
- /* */
- /* <Description> */
- /* Creates a new stream object. */
- /* */
- /* <Input> */
- /* filepathname :: The name of the stream (usually a file) to be */
- /* opened. */
- /* */
- /* stream :: A pointer to the stream object. */
- /* */
- /* <Return> */
- /* FreeType error code. 0 means success. */
- /* */
- FT_EXPORT_FUNC( FT_Error ) FT_New_Stream( const char* filepathname,
- FT_Stream stream )
- {
-/* FILE* file; FIXME */
-
- DbgPrint("ftsystem.c: UNIMPLEMENTED CALL\n");
-
-/* if ( !stream )
- return FT_Err_Invalid_Stream_Handle;
-
- file = fopen( filepathname, "rb" );
- if ( !file )
- {
- FT_ERROR(( "FT_New_Stream:" ));
- FT_ERROR(( " could not open `%s'\n", filepathname ));
-
- return FT_Err_Cannot_Open_Resource;
- }
-
- fseek( file, 0, SEEK_END );
- stream->size = ftell( file );
- fseek( file, 0, SEEK_SET );
-
- stream->descriptor.pointer = file;
- stream->pathname.pointer = (char*)filepathname;
- stream->pos = 0;
-
- stream->read = ft_io_stream;
- stream->close = ft_close_stream;
-
- FT_TRACE1(( "FT_New_Stream:" ));
- FT_TRACE1(( " opened `%s' (%d bytes) successfully\n",
- filepathname, stream->size )); */
-
- return FT_Err_Ok;
- }
-
-
- /*************************************************************************/
- /* */
- /* <Function> */
- /* FT_New_Memory */
- /* */
- /* <Description> */
- /* Creates a new memory object. */
- /* */
- /* <Return> */
- /* A pointer to the new memory object. 0 in case of error. */
- /* */
- FT_EXPORT_FUNC( FT_Memory ) FT_New_Memory( void )
- {
- FT_Memory memory;
-
-/* memory = (FT_Memory)malloc( sizeof ( *memory ) ); */
-
- memory = ExAllocatePool(NonPagedPool, sizeof(*memory));
- if ( memory )
- {
- memory->user = 0;
- memory->alloc = ft_alloc;
- memory->realloc = ft_realloc;
- memory->free = ft_free;
- }
-
- return memory;
- }
-
-
-/* END */
git://git.jankratochvil.net / reactos.git / blobdiff