update for HEAD-2003050101

[reactos.git] / lib / freetype / src / base / ftinit.c

diff --git a/lib/freetype/src/base/ftinit.c b/lib/freetype/src/base/ftinit.c
new file mode 100644 (file)
index 0000000..79ba9f0
--- /dev/null
+++ b/lib/freetype/src/base/ftinit.c
@@ -0,0 +1,161 @@
+/***************************************************************************/
+/*                                                                         */
+/*  ftinit.c                                                               */
+/*                                                                         */
+/*    FreeType initialization layer (body).                                */
+/*                                                                         */
+/*  Copyright 1996-2001, 2002 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.                                        */
+/*                                                                         */
+/***************************************************************************/
+
+  /*************************************************************************/
+  /*                                                                       */
+  /*  The purpose of this file is to implement the following two           */
+  /*  functions:                                                           */
+  /*                                                                       */
+  /*  FT_Add_Default_Modules():                                            */
+  /*     This function is used to add the set of default modules to a      */
+  /*     fresh new library object.  The set is taken from the header file  */
+  /*     `freetype/config/ftmodule.h'.  See the document `FreeType 2.0     */
+  /*     Build System' for more information.                               */
+  /*                                                                       */
+  /*  FT_Init_FreeType():                                                  */
+  /*     This function creates a system object for the current platform,   */
+  /*     builds a library out of it, then calls FT_Default_Drivers().      */
+  /*                                                                       */
+  /*  Note that even if FT_Init_FreeType() uses the implementation of the  */
+  /*  system object defined at build time, client applications are still   */
+  /*  able to provide their own `ftsystem.c'.                              */
+  /*                                                                       */
+  /*************************************************************************/
+
+
+#include <ft2build.h>
+#include FT_CONFIG_CONFIG_H
+#include FT_INTERNAL_OBJECTS_H
+#include FT_INTERNAL_DEBUG_H
+#include FT_MODULE_H
+
+
+  /*************************************************************************/
+  /*                                                                       */
+  /* 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_init
+
+#undef  FT_USE_MODULE
+#ifdef __cplusplus
+#define FT_USE_MODULE( x )  extern "C" const FT_Module_Class*  x;
+#else
+#define FT_USE_MODULE( x )  extern const FT_Module_Class*  x;
+#endif
+
+
+#include FT_CONFIG_MODULES_H
+
+
+#undef  FT_USE_MODULE
+#define FT_USE_MODULE( x )  (const FT_Module_Class*)&x,
+
+  static
+  const FT_Module_Class*  const ft_default_modules[] =
+  {
+#include FT_CONFIG_MODULES_H
+    0
+  };
+
+
+  /* documentation is in ftmodule.h */
+
+  FT_EXPORT_DEF( void )
+  FT_Add_Default_Modules( FT_Library  library )
+  {
+    FT_Error                       error;
+    const FT_Module_Class* const*  cur;
+
+
+    /* test for valid `library' delayed to FT_Add_Module() */
+
+    cur = ft_default_modules;
+    while ( *cur )
+    {
+      error = FT_Add_Module( library, *cur );
+      /* notify errors, but don't stop */
+      if ( error )
+      {
+        FT_ERROR(( "FT_Add_Default_Module: Cannot install `%s', error = 0x%x\n",
+                   (*cur)->module_name, error ));
+      }
+      cur++;
+    }
+  }
+
+
+  /* documentation is in freetype.h */
+
+  FT_EXPORT_DEF( FT_Error )
+  FT_Init_FreeType( FT_Library  *alibrary )
+  {
+    FT_Error   error;
+    FT_Memory  memory;
+
+
+    /* First of all, allocate a new system object -- this function is part */
+    /* of the system-specific component, i.e. `ftsystem.c'.                */
+
+    memory = FT_New_Memory();
+    if ( !memory )
+    {
+      FT_ERROR(( "FT_Init_FreeType: cannot find memory manager\n" ));
+      return FT_Err_Unimplemented_Feature;
+    }
+
+    /* build a library out of it, then fill it with the set of */
+    /* default drivers.                                        */
+
+    error = FT_New_Library( memory, alibrary );
+    if ( !error )
+    {
+      (*alibrary)->version_major = FREETYPE_MAJOR;
+      (*alibrary)->version_minor = FREETYPE_MINOR;
+      (*alibrary)->version_patch = FREETYPE_PATCH;
+
+      FT_Add_Default_Modules( *alibrary );
+    }
+
+    return error;
+  }
+
+
+  /* documentation is in freetype.h */
+
+  FT_EXPORT_DEF( FT_Error )
+  FT_Done_FreeType( FT_Library  library )
+  {
+    if ( library )
+    {
+      FT_Memory  memory = library->memory;
+
+
+      /* Discard the library object */
+      FT_Done_Library( library );
+
+      /* discard memory manager */
+      FT_Done_Memory( memory );
+    }
+
+    return FT_Err_Ok;
+  }
+
+
+/* END */