summaryrefslogtreecommitdiff
path: root/core/src/fxge/fx_freetype/fxft2.5.01/src/base/fxft_ftsystem.c
diff options
context:
space:
mode:
Diffstat (limited to 'core/src/fxge/fx_freetype/fxft2.5.01/src/base/fxft_ftsystem.c')
-rw-r--r--core/src/fxge/fx_freetype/fxft2.5.01/src/base/fxft_ftsystem.c375
1 files changed, 375 insertions, 0 deletions
diff --git a/core/src/fxge/fx_freetype/fxft2.5.01/src/base/fxft_ftsystem.c b/core/src/fxge/fx_freetype/fxft2.5.01/src/base/fxft_ftsystem.c
new file mode 100644
index 0000000000..ff7137fc1f
--- /dev/null
+++ b/core/src/fxge/fx_freetype/fxft2.5.01/src/base/fxft_ftsystem.c
@@ -0,0 +1,375 @@
+#if !defined(_FXFT_VERSION_) || _FXFT_VERSION_ == 2501
+/***************************************************************************/
+/* */
+/* ftsystem.c */
+/* */
+/* ANSI-specific FreeType low-level system interface (body). */
+/* */
+/* Copyright 1996-2002, 2006, 2008-2011, 2013 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. */
+ /* */
+ /*************************************************************************/
+
+#define FT2_BUILD_LIBRARY
+#include "../../include/ft2build.h"
+#include "../../include/freetype/config/ftconfig.h"
+#include "../../include/freetype/internal/ftdebug.h"
+#include "../../include/freetype/internal/ftstream.h"
+#include "../../include/freetype/ftsystem.h"
+#include "../../include/freetype/fterrors.h"
+#include "../../include/freetype/fttypes.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_mem_alloc() or ft_mem_realloc(). */
+ /* */
+ /*************************************************************************/
+
+#define _FOXIT_MEM_MANAGER_
+
+#if defined(_FX_MANAGED_CODE_) && defined(__cplusplus)
+extern "C" {
+#endif
+
+/** Allocate number of bytes */
+void* FXMEM_DefaultAlloc(int byte_size, int flags);
+
+/** Allocate with debug information */
+void* FXMEM_DefaultAllocDebug(int size, int flags, const char* file, int line);
+
+void* FXMEM_DefaultRealloc(void* pointer, int new_size, int flags);
+
+/** Free previously allocated memory */
+void FXMEM_DefaultFree(void* pointer, int flags);
+
+#if defined(_FX_MANAGED_CODE_) && defined(__cplusplus)
+}
+#endif
+ /*************************************************************************/
+ /* */
+ /* <Function> */
+ /* ft_alloc */
+ /* */
+ /* <Description> */
+ /* The memory allocation function. */
+ /* */
+ /* <Input> */
+ /* memory :: A pointer to the memory object. */
+ /* */
+ /* size :: The requested size in bytes. */
+ /* */
+ /* <Return> */
+ /* The address of newly allocated block. */
+ /* */
+ FT_CALLBACK_DEF( void* )
+ ft_alloc( FT_Memory memory,
+ long size )
+ {
+ FT_UNUSED( memory );
+ #ifdef _FOXIT_MEM_MANAGER_
+ return FXMEM_DefaultAlloc(size, 0);
+#else
+ return ft_smalloc( size );
+#endif
+ }
+
+ /* XYQ 2006-10-12 */
+#ifdef _XYQ_MEM_DEBUG
+ FT_CALLBACK_DEF( void* )
+ ft_allocdebug( FT_Memory memory,
+ long size, const char* filename, int line)
+ {
+ FT_UNUSED( memory );
+
+ return FXMEM_DefaultAllocDebug( size, 0, filename, line );
+ }
+#endif
+
+ /*************************************************************************/
+ /* */
+ /* <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. */
+ /* */
+ FT_CALLBACK_DEF( void* )
+ ft_realloc( FT_Memory memory,
+ long cur_size,
+ long new_size,
+ void* block )
+ {
+ FT_UNUSED( memory );
+ FT_UNUSED( cur_size );
+
+#ifdef _FOXIT_MEM_MANAGER_
+ return FXMEM_DefaultRealloc(block, new_size, 0);
+#else
+ return ft_srealloc( block, new_size );
+#endif
+ }
+
+
+ /*************************************************************************/
+ /* */
+ /* <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. */
+ /* */
+ FT_CALLBACK_DEF( void )
+ ft_free( FT_Memory memory,
+ void* block )
+ {
+ FT_UNUSED( memory );
+
+#ifdef _FOXIT_MEM_MANAGER_
+ FXMEM_DefaultFree(block, 0);
+#else
+ ft_sfree( block );
+#endif
+ }
+
+
+ /*************************************************************************/
+ /* */
+ /* RESOURCE MANAGEMENT INTERFACE */
+ /* */
+ /*************************************************************************/
+
+#ifndef FT_CONFIG_OPTION_DISABLE_STREAM_SUPPORT
+
+ /*************************************************************************/
+ /* */
+ /* 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 ) ( (FT_FILE*)stream->descriptor.pointer )
+
+
+ /*************************************************************************/
+ /* */
+ /* <Function> */
+ /* ft_ansi_stream_close */
+ /* */
+ /* <Description> */
+ /* The function to close a stream. */
+ /* */
+ /* <Input> */
+ /* stream :: A pointer to the stream object. */
+ /* */
+ FT_CALLBACK_DEF( void )
+ ft_ansi_stream_close( FT_Stream stream )
+ {
+//#if _FX_COMPILER_ != _FX_IARCC_ && _FX_OS_ != _FX_PALMOS_
+ ft_fclose( STREAM_FILE( stream ) );
+
+ stream->descriptor.pointer = NULL;
+ stream->size = 0;
+ stream->base = 0;
+//#endif
+ }
+
+
+ /*************************************************************************/
+ /* */
+ /* <Function> */
+ /* ft_ansi_stream_io */
+ /* */
+ /* <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. If `count' is zero (this is, */
+ /* the function is used for seeking), a non-zero return value */
+ /* indicates an error. */
+ /* */
+ FT_CALLBACK_DEF( unsigned long )
+ ft_ansi_stream_io( FT_Stream stream,
+ unsigned long offset,
+ unsigned char* buffer,
+ unsigned long count )
+ {
+//#if _FX_COMPILER_ != _FX_IARCC_ && _FX_OS_ != _FX_PALMOS_
+ FT_FILE* file;
+
+
+ if ( !count && offset > stream->size )
+ return 1;
+
+ file = STREAM_FILE( stream );
+
+ if ( stream->pos != offset )
+ ft_fseek( file, offset, SEEK_SET );
+
+ return (unsigned long)ft_fread( buffer, 1, count, file );
+//#else
+// return 0;
+//#endif
+ }
+
+
+ /* documentation is in ftstream.h */
+
+ FT_BASE_DEF( FT_Error )
+ FT_Stream_Open( FT_Stream stream,
+ const char* filepathname )
+ {
+//#if _FX_COMPILER_ != _FX_IARCC_ && _FX_OS_ != _FX_PALMOS_
+ FT_FILE* file;
+
+
+ if ( !stream )
+ return FT_THROW( Invalid_Stream_Handle );
+
+ stream->descriptor.pointer = NULL;
+ stream->pathname.pointer = (char*)filepathname;
+ stream->base = 0;
+ stream->pos = 0;
+ stream->read = NULL;
+ stream->close = NULL;
+
+ file = ft_fopen( filepathname, "rb" );
+ if ( !file )
+ {
+ FT_ERROR(( "FT_Stream_Open:"
+ " could not open `%s'\n", filepathname ));
+
+ return FT_THROW( Cannot_Open_Resource );
+ }
+
+ ft_fseek( file, 0, FXSYS_SEEK_END );
+ stream->size = ft_ftell( file );
+ if ( !stream->size )
+ {
+ FT_ERROR(( "FT_Stream_Open:" ));
+ FT_ERROR(( " opened `%s' but zero-sized\n", filepathname ));
+ ft_fclose( file );
+ return FT_THROW( Cannot_Open_Stream );
+ }
+ ft_fseek( file, 0, FXSYS_SEEK_SET );
+
+ stream->descriptor.pointer = file;
+ stream->read = ft_ansi_stream_io;
+ stream->close = ft_ansi_stream_close;
+
+ FT_TRACE1(( "FT_Stream_Open:" ));
+ FT_TRACE1(( " opened `%s' (%d bytes) successfully\n",
+ filepathname, stream->size ));
+//#endif
+
+ return FT_Err_Ok;
+ }
+
+#endif /* !FT_CONFIG_OPTION_DISABLE_STREAM_SUPPORT */
+
+#ifdef FT_DEBUG_MEMORY
+
+ extern FT_Int
+ ft_mem_debug_init( FT_Memory memory );
+
+ extern void
+ ft_mem_debug_done( FT_Memory memory );
+
+#endif
+
+
+ /* documentation is in ftobjs.h */
+
+ FT_BASE_DEF( FT_Memory )
+ FT_New_Memory( void )
+ {
+ FT_Memory memory;
+
+
+ memory = (FT_Memory)FXMEM_DefaultAlloc( sizeof ( *memory ), 0 );
+ if ( memory )
+ {
+ memory->user = 0;
+ memory->alloc = ft_alloc;
+#ifdef _XYQ_MEM_DEBUG
+ memory->allocdebug = ft_allocdebug;
+#endif
+ memory->realloc = ft_realloc;
+ memory->free = ft_free;
+#ifdef FT_DEBUG_MEMORY
+ ft_mem_debug_init( memory );
+#endif
+ }
+
+ return memory;
+ }
+
+
+ /* documentation is in ftobjs.h */
+
+ FT_BASE_DEF( void )
+ FT_Done_Memory( FT_Memory memory )
+ {
+#ifdef FT_DEBUG_MEMORY
+ ft_mem_debug_done( memory );
+#endif
+ FXMEM_DefaultFree( memory, 0 );
+ }
+
+
+/* END */
+#endif
+
generated by cgit v1.2.3 (git 2.25.1) at 2024-06-01 10:32:49 +0000