misc/libfreetype/src/raster/rastpic.c
changeset 5172 88f2e05288ba
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/misc/libfreetype/src/raster/rastpic.c	Mon Apr 25 01:46:54 2011 +0200
@@ -0,0 +1,90 @@
+/***************************************************************************/
+/*                                                                         */
+/*  rastpic.c                                                              */
+/*                                                                         */
+/*    The FreeType position independent code services for raster module.   */
+/*                                                                         */
+/*  Copyright 2009, 2010 by                                                */
+/*  Oran Agra and Mickey Gabel.                                            */
+/*                                                                         */
+/*  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>
+#include FT_FREETYPE_H
+#include FT_INTERNAL_OBJECTS_H
+#include "rastpic.h"
+
+#ifdef FT_CONFIG_OPTION_PIC
+
+  /* forward declaration of PIC init functions from ftraster.c */
+  void FT_Init_Class_ft_standard_raster(FT_Raster_Funcs*);
+
+  void
+  ft_raster1_renderer_class_pic_free(  FT_Library library )
+  {
+    FT_PIC_Container* pic_container = &library->pic_container;
+    FT_Memory memory = library->memory;
+    if ( pic_container->raster )
+    {
+      RasterPIC* container = (RasterPIC*)pic_container->raster;
+      if(--container->ref_count)
+        return;
+      FT_FREE( container );
+      pic_container->raster = NULL;
+    }
+  }
+
+
+  FT_Error
+  ft_raster1_renderer_class_pic_init( FT_Library library )
+  {
+    FT_PIC_Container* pic_container = &library->pic_container;
+    FT_Error          error         = Raster_Err_Ok;
+    RasterPIC*        container;
+    FT_Memory         memory        = library->memory;
+
+
+    /* since this function also serve raster5 renderer, 
+       it implements reference counting */
+    if ( pic_container->raster )
+    {
+      ((RasterPIC*)pic_container->raster)->ref_count++;
+      return error;
+    }
+
+    /* allocate pointer, clear and set global container pointer */
+    if ( FT_ALLOC ( container, sizeof ( *container ) ) )
+      return error;
+    FT_MEM_SET( container, 0, sizeof(*container) );
+    pic_container->raster = container;
+    container->ref_count = 1;
+
+    /* initialize pointer table - this is how the module usually expects this data */
+    FT_Init_Class_ft_standard_raster(&container->ft_standard_raster);
+/*Exit:*/
+    if(error)
+      ft_raster1_renderer_class_pic_free(library);
+    return error;
+  }
+
+  /* re-route these init and free functions to the above functions */
+  FT_Error ft_raster5_renderer_class_pic_init(FT_Library library)
+  {
+    return ft_raster1_renderer_class_pic_init(library);
+  }
+  void ft_raster5_renderer_class_pic_free(FT_Library library)
+  {
+    ft_raster1_renderer_class_pic_free(library);
+  }
+
+#endif /* FT_CONFIG_OPTION_PIC */
+
+
+/* END */