ref: bb33f03a714332a56cfbdec49ea5635106fcbcec
parent: c7cc947c0f3225a5b01e14456c65a8e3162dfd4c
author: Vincent Torri <vincent.torri@gmail.com>
date: Wed Jan 27 01:43:41 EST 2021
* builds/windows/ftsystem.c: Add shared memory support on Windows.
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -358,6 +358,8 @@
if (UNIX)
list(APPEND BASE_SRCS "builds/unix/ftsystem.c")
+elseif (WIN32)
+ list(APPEND BASE_SRCS "builds/windows/ftsystem.c")
else ()
list(APPEND BASE_SRCS "src/base/ftsystem.c")
endif ()
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,7 @@
+2021-01-27 Vincent Torri <vincent.torri@gmail.com>
+
+ * builds/windows/ftsystem.c: Add shared memory support on Windows.
+
2021-01-23 Werner Lemberg <wl@gnu.org>
Require HarfBuzz 2.0.0.
--- a/builds/unix/configure.raw
+++ b/builds/unix/configure.raw
@@ -202,7 +202,13 @@
fi
if test "x${enable_mmap}" = "xno" \-o "$ac_cv_func_mmap_fixed_mapped" != "yes"; then
- FTSYS_SRC='$(BASE_DIR)/ftsystem.c'
+ case
+ *-*-mingw*)
+ FTSYS_SRC='$(PLATFORM_DIR)/ftsystem.c'
+ ;;
+ *)
+ FTSYS_SRC='$(BASE_DIR)/ftsystem.c'
+ esac
else
FTSYS_SRC='$(PLATFORM_DIR)/ftsystem.c'
--- /dev/null
+++ b/builds/windows/ftsystem.c
@@ -1,0 +1,364 @@
+/***************************************************************************/
+/* */
+/* ftsystem.c */
+/* */
+/* Unix-specific FreeType low-level system interface (body). */
+/* */
+/* Copyright (C) 1996-2020 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. */
+/* */
+/***************************************************************************/
+
+
+#include <ft2build.h>
+ /* we use our special ftconfig.h file, not the standard one */
+#include FT_CONFIG_CONFIG_H
+#include <freetype/internal/ftdebug.h>
+#include <freetype/ftsystem.h>
+#include <freetype/fterrors.h>
+#include <freetype/fttypes.h>
+#include <freetype/internal/ftstream.h>
+
+ /* memory-mapping includes and definitions */
+#include <windows.h>
+
+#include <stdlib.h>
+
+
+ /*************************************************************************/
+ /* */
+ /* MEMORY MANAGEMENT INTERFACE */
+ /* */
+ /*************************************************************************/
+
+
+ /*************************************************************************/
+ /* */
+ /* <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 );
+
+ return malloc( 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. */
+ /* */
+ FT_CALLBACK_DEF( 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 );
+ }
+
+
+ /*************************************************************************/
+ /* */
+ /* <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 );
+
+ free( 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 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_by_munmap */
+ /* */
+ /* <Description> */
+ /* The function to close a stream which is opened by mmap. */
+ /* */
+ /* <Input> */
+ /* stream :: A pointer to the stream object. */
+ /* */
+ FT_CALLBACK_DEF( void )
+ ft_close_stream_by_munmap( FT_Stream stream )
+ {+ UnmapViewOfFile( (LPCVOID)stream->descriptor.pointer );
+
+ stream->descriptor.pointer = NULL;
+ stream->size = 0;
+ stream->base = 0;
+ }
+
+
+ /*************************************************************************/
+ /* */
+ /* <Function> */
+ /* ft_close_stream_by_free */
+ /* */
+ /* <Description> */
+ /* The function to close a stream which is created by ft_alloc. */
+ /* */
+ /* <Input> */
+ /* stream :: A pointer to the stream object. */
+ /* */
+ FT_CALLBACK_DEF( void )
+ ft_close_stream_by_free( FT_Stream stream )
+ {+ ft_free( NULL, stream->descriptor.pointer );
+
+ stream->descriptor.pointer = NULL;
+ stream->size = 0;
+ stream->base = 0;
+ }
+
+
+ /* documentation is in ftobjs.h */
+
+ FT_BASE_DEF( FT_Error )
+ FT_Stream_Open( FT_Stream stream,
+ const char* filepathname )
+ {+ HANDLE file;
+ HANDLE fm;
+ LARGE_INTEGER size;
+
+ if ( !stream )
+ return FT_THROW( Invalid_Stream_Handle );
+
+ /* open the file */
+ file = CreateFileA( filepathname, GENERIC_READ, FILE_SHARE_READ, NULL,
+ OPEN_EXISTING, FILE_ATTRIBUTE_NORMAL, 0 );
+ if (file == INVALID_HANDLE_VALUE)
+ {+ FT_ERROR(( "FT_Stream_Open:" ));
+ FT_ERROR(( " could not open `%s'\n", filepathname ));
+ return FT_THROW( Cannot_Open_Resource );
+ }
+
+ if ( GetFileSizeEx(file, &size) == FALSE )
+ {+ FT_ERROR(( "FT_Stream_Open:" ));
+ FT_ERROR(( " could not retrieve size of file `%s'\n", filepathname ));
+ goto Fail_Open;
+ }
+
+ /* `stream->size' is typedef'd to unsigned long (in `ftsystem.h'); */
+ /* So avoid overflow caused by fonts in huge files larger than */
+ /* 2GB, do a test. */
+ if ( size.QuadPart > LONG_MAX )
+ {+ FT_ERROR(( "FT_Stream_Open: file is too big\n" ));
+ goto Fail_Open;
+ }
+ else if ( size.QuadPart == 0 )
+ {+ FT_ERROR(( "FT_Stream_Open: zero-length file\n" ));
+ goto Fail_Open;
+ }
+
+ fm = CreateFileMapping(file, NULL, PAGE_READONLY, 0, 0, NULL);
+ if (fm == NULL)
+ {+ FT_ERROR(( "FT_Stream_Open: can not map file\n" ));
+ goto Fail_Open;
+ }
+
+ /* Store only the low part of this 64 bits integer because long is */
+ /* a 32 bits type. Anyway, a check has been done above to forbid */
+ /* a size greater than LONG_MAX */
+ stream->size = size.LowPart;
+ stream->pos = 0;
+ stream->base = (unsigned char *)MapViewOfFile(fm, FILE_MAP_READ, 0, 0, 0);
+
+ CloseHandle(fm);
+ if ( stream->base != NULL )
+ stream->close = ft_close_stream_by_munmap;
+ else
+ {+ DWORD total_read_count;
+
+ FT_ERROR(( "FT_Stream_Open:" ));
+ FT_ERROR(( " could not `mmap' file `%s'\n", filepathname ));
+
+ stream->base = (unsigned char*)ft_alloc( NULL, stream->size );
+
+ if ( !stream->base )
+ {+ FT_ERROR(( "FT_Stream_Open:" ));
+ FT_ERROR(( " could not `alloc' memory\n" ));
+ goto Fail_Map;
+ }
+
+ total_read_count = 0;
+ do
+ {+ DWORD read_count;
+
+ if ( ReadFile( file,
+ stream->base + total_read_count,
+ stream->size - total_read_count,
+ &read_count, NULL ) == FALSE )
+ {+ FT_ERROR(( "FT_Stream_Open:" ));
+ FT_ERROR(( " error while `read'ing file `%s'\n", filepathname ));
+ goto Fail_Read;
+ }
+
+ total_read_count += read_count;
+
+ } while ( total_read_count != stream->size );
+
+ stream->close = ft_close_stream_by_free;
+ }
+
+ CloseHandle( file );
+
+ stream->descriptor.pointer = stream->base;
+ stream->pathname.pointer = (char*)filepathname;
+
+ stream->read = 0;
+
+ FT_TRACE1(( "FT_Stream_Open:" ));
+ FT_TRACE1(( " opened `%s' (%ld bytes) successfully\n",
+ filepathname, stream->size ));
+
+ return FT_Err_Ok;
+
+ Fail_Read:
+ ft_free( NULL, stream->base );
+
+ Fail_Map:
+ CloseHandle( file );
+
+ Fail_Open:
+ CloseHandle( file );
+
+ stream->base = NULL;
+ stream->size = 0;
+ stream->pos = 0;
+
+ return FT_THROW( Cannot_Open_Stream );
+ }
+
+
+#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)malloc( sizeof ( *memory ) );
+ if ( memory )
+ {+ memory->user = 0;
+ memory->alloc = ft_alloc;
+ 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
+ memory->free( memory, memory );
+ }
+
+
+/* END */
--- a/builds/windows/vc2010/freetype.vcxproj
+++ b/builds/windows/vc2010/freetype.vcxproj
@@ -328,7 +328,6 @@
<ClCompile Include="..\..\..\src\base\ftpfr.c" />
<ClCompile Include="..\..\..\src\base\ftstroke.c" />
<ClCompile Include="..\..\..\src\base\ftsynth.c" />
- <ClCompile Include="..\..\..\src\base\ftsystem.c" />
<ClCompile Include="..\..\..\src\base\fttype1.c" />
<ClCompile Include="..\..\..\src\base\ftwinfnt.c" />
<ClCompile Include="..\..\..\src\bdf\bdf.c" />
@@ -352,6 +351,9 @@
<ClCompile Include="..\..\..\src\type42\type42.c" />
<ClCompile Include="..\..\..\src\winfonts\winfnt.c" />
<ClCompile Include="..\ftdebug.c">
+ <DisableLanguageExtensions>false</DisableLanguageExtensions>
+ </ClCompile>
+ <ClCompile Include="..\ftsystem.c">
<DisableLanguageExtensions>false</DisableLanguageExtensions>
</ClCompile>
<ResourceCompile Include="..\..\..\src\base\ftver.rc" />
--- a/builds/windows/visualc/freetype.vcproj
+++ b/builds/windows/visualc/freetype.vcproj
@@ -395,8 +395,40 @@
>
</File>
<File
- RelativePath="..\..\..\src\base\ftsystem.c"
+ RelativePath="..\ftsystem.c"
>
+ <FileConfiguration
+ Name="Release|Win32"
+ >
+ <Tool
+ Name="VCCLCompilerTool"
+ DisableLanguageExtensions="false"
+ />
+ </FileConfiguration>
+ <FileConfiguration
+ Name="Release Static|Win32"
+ >
+ <Tool
+ Name="VCCLCompilerTool"
+ DisableLanguageExtensions="false"
+ />
+ </FileConfiguration>
+ <FileConfiguration
+ Name="Debug|Win32"
+ >
+ <Tool
+ Name="VCCLCompilerTool"
+ DisableLanguageExtensions="false"
+ />
+ </FileConfiguration>
+ <FileConfiguration
+ Name="Debug Static|Win32"
+ >
+ <Tool
+ Name="VCCLCompilerTool"
+ DisableLanguageExtensions="false"
+ />
+ </FileConfiguration>
</File>
<File
RelativePath="..\..\..\src\smooth\smooth.c"
--- a/meson.build
+++ b/meson.build
@@ -201,6 +201,8 @@
if use_mmap
# This version of ftsystem.c uses mmap() to read input font files.
ft2_sources += files(['builds/unix/ftsystem.c',])
+elif host_machine.system() == 'windows'
+ ft2_sources += files(['builds/windows/ftsystem.c',])
else
ft2_sources += files(['src/base/ftsystem.c',])
endif