Upload tizen 2.0 beta source

[framework/graphics/freetype.git] / src / raster / ftrend1.c

diff --git a/src/raster/ftrend1.c b/src/raster/ftrend1.c
index 1ed8af6..859cb7d 100644 (file)
--- a/src/raster/ftrend1.c
+++ b/src/raster/ftrend1.c
@@ -4,7 +4,7 @@
 /*                                                                         */
 /*    The FreeType glyph rasterizer interface (body).                      */
 /*                                                                         */
-/*  Copyright 1996-2001, 2002, 2003, 2005, 2006 by                         */
+/*  Copyright 1996-2003, 2005, 2006, 2011 by                               */
 /*  David Turner, Robert Wilhelm, and Werner Lemberg.                      */
 /*                                                                         */
 /*  This file is part of the FreeType project, and may only be used,       */
@@ -161,13 +161,28 @@
     /* compute the control box, and grid fit it */
     FT_Outline_Get_CBox( outline, &cbox );
 
+    /* undocumented but confirmed: bbox values get rounded */
+#if 1
+    cbox.xMin = FT_PIX_ROUND( cbox.xMin );
+    cbox.yMin = FT_PIX_ROUND( cbox.yMin );
+    cbox.xMax = FT_PIX_ROUND( cbox.xMax );
+    cbox.yMax = FT_PIX_ROUND( cbox.yMax );
+#else
     cbox.xMin = FT_PIX_FLOOR( cbox.xMin );
     cbox.yMin = FT_PIX_FLOOR( cbox.yMin );
     cbox.xMax = FT_PIX_CEIL( cbox.xMax );
     cbox.yMax = FT_PIX_CEIL( cbox.yMax );
+#endif
 
     width  = (FT_UInt)( ( cbox.xMax - cbox.xMin ) >> 6 );
     height = (FT_UInt)( ( cbox.yMax - cbox.yMin ) >> 6 );
+
+    if ( width > FT_USHORT_MAX || height > FT_USHORT_MAX )
+    {
+      error = Raster_Err_Invalid_Argument;
+      goto Exit;
+    }
+
     bitmap = &slot->bitmap;
     memory = render->root.memory;
 
@@ -229,10 +244,10 @@
   }
 
 
-  FT_DEFINE_RENDERER(ft_raster1_renderer_class,
-    
+  FT_DEFINE_RENDERER( ft_raster1_renderer_class,
+
       FT_MODULE_RENDERER,
-      sizeof( FT_RendererRec ),
+      sizeof ( FT_RendererRec ),
 
       "raster1",
       0x10000L,
@@ -260,11 +275,10 @@
   /* to register it by hand in your application.  It should only be    */
   /* used for backwards-compatibility with FT 1.x anyway.              */
   /*                                                                   */
-  FT_DEFINE_RENDERER(ft_raster5_renderer_class,
-  
-    
+  FT_DEFINE_RENDERER( ft_raster5_renderer_class,
+
       FT_MODULE_RENDERER,
-      sizeof( FT_RendererRec ),
+      sizeof ( FT_RendererRec ),
 
       "raster5",
       0x10000L,