From 27a4f9c4ac45ff65f941964f7351b64b1e6a9f35 Mon Sep 17 00:00:00 2001
From: scuri <scuri>
Date: Tue, 20 Oct 2009 17:20:18 +0000
Subject: *** empty log message ***

---
 src/freetype2/base/ftpfr.c | 33 ++++++++++++++++++++++-----------
 1 file changed, 22 insertions(+), 11 deletions(-)

(limited to 'src/freetype2/base/ftpfr.c')

diff --git a/src/freetype2/base/ftpfr.c b/src/freetype2/base/ftpfr.c
index 9e930dd..f9592bb 100644
--- a/src/freetype2/base/ftpfr.c
+++ b/src/freetype2/base/ftpfr.c
@@ -4,7 +4,7 @@
 /*                                                                         */
 /*    FreeType API for accessing PFR-specific data (body).                 */
 /*                                                                         */
-/*  Copyright 2002, 2003, 2004 by                                          */
+/*  Copyright 2002, 2003, 2004, 2008 by                                    */
 /*  David Turner, Robert Wilhelm, and Werner Lemberg.                      */
 /*                                                                         */
 /*  This file is part of the FreeType project, and may only be used,       */
@@ -46,6 +46,9 @@
     FT_Service_PfrMetrics  service;
 
 
+    if ( !face )
+      return FT_Err_Invalid_Argument;
+
     service = ft_pfr_check( face );
     if ( service )
     {
@@ -55,14 +58,17 @@
                                     ametrics_x_scale,
                                     ametrics_y_scale );
     }
-    else if ( face )
+    else
     {
       FT_Fixed  x_scale, y_scale;
 
 
       /* this is not a PFR font */
-      *aoutline_resolution = face->units_per_EM;
-      *ametrics_resolution = face->units_per_EM;
+      if ( aoutline_resolution )
+        *aoutline_resolution = face->units_per_EM;
+
+      if ( ametrics_resolution )
+        *ametrics_resolution = face->units_per_EM;
 
       x_scale = y_scale = 0x10000L;
       if ( face->size )
@@ -70,11 +76,15 @@
         x_scale = face->size->metrics.x_scale;
         y_scale = face->size->metrics.y_scale;
       }
-      *ametrics_x_scale = x_scale;
-      *ametrics_y_scale = y_scale;
+
+      if ( ametrics_x_scale )
+        *ametrics_x_scale = x_scale;
+
+      if ( ametrics_y_scale )
+        *ametrics_y_scale = y_scale;
+
+      error = FT_Err_Unknown_File_Format;
     }
-    else
-      error = FT_Err_Invalid_Argument;
 
     return error;
   }
@@ -92,14 +102,15 @@
     FT_Service_PfrMetrics  service;
 
 
+    if ( !face )
+      return FT_Err_Invalid_Argument;
+
     service = ft_pfr_check( face );
     if ( service )
       error = service->get_kerning( face, left, right, avector );
-    else if ( face )
+    else
       error = FT_Get_Kerning( face, left, right,
                               FT_KERNING_UNSCALED, avector );
-    else
-      error = FT_Err_Invalid_Argument;
 
     return error;
   }
-- 
cgit v1.2.3