Updated to freetype 2.4.7

3 files changed, 94 insertions, 9 deletions

diff --git a/freetype/src/base/ftbitmap.c b/freetype/src/base/ftbitmap.c
index 22ec33752..5ef7ac760 100644
--- a/freetype/src/base/ftbitmap.c
+++ b/freetype/src/base/ftbitmap.c
@@ -4,7 +4,7 @@
 /*                                                                         */
 /*    FreeType utility functions for bitmaps (body).                       */
 /*                                                                         */
-/*  Copyright 2004, 2005, 2006, 2007, 2008, 2009 by                        */
+/*  Copyright 2004-2009, 2011 by                                           */
 /*  David Turner, Robert Wilhelm, and Werner Lemberg.                      */
 /*                                                                         */
 /*  This file is part of the FreeType project, and may only be used,       */
@@ -417,6 +417,10 @@
 
         target->pitch = source->width + pad;
 
+        if ( target->pitch > 0                           &&
+             target->rows > FT_ULONG_MAX / target->pitch )
+          return FT_Err_Invalid_Argument;
+
         if ( target->rows * target->pitch > old_size             &&
              FT_QREALLOC( target->buffer,
                           old_size, target->rows * target->pitch ) )
diff --git a/freetype/src/base/ftobjs.c b/freetype/src/base/ftobjs.c
index 5069afb2c..64575af59 100644
--- a/freetype/src/base/ftobjs.c
+++ b/freetype/src/base/ftobjs.c
@@ -620,7 +620,8 @@
          FT_DRIVER_IS_SCALABLE( driver )                  &&
          FT_DRIVER_USES_OUTLINES( driver )                &&
          !FT_IS_TRICKY( face )                            &&
-         ( ( face->internal->transform_matrix.yx == 0 &&
+         ( ( load_flags & FT_LOAD_IGNORE_TRANSFORM )    ||
+           ( face->internal->transform_matrix.yx == 0 &&
              face->internal->transform_matrix.xx != 0 ) ||
            ( face->internal->transform_matrix.xx == 0 &&
              face->internal->transform_matrix.yx != 0 ) ) )
@@ -756,11 +757,11 @@
         else if ( slot->format == FT_GLYPH_FORMAT_OUTLINE )
         {
           /* apply `standard' transformation if no renderer is available */
-          if ( &internal->transform_matrix )
+          if ( internal->transform_flags & 1 )
             FT_Outline_Transform( &slot->outline,
                                   &internal->transform_matrix );
 
-          if ( &internal->transform_delta )
+          if ( internal->transform_flags & 2 )
             FT_Outline_Translate( &slot->outline,
                                   internal->transform_delta.x,
                                   internal->transform_delta.y );
@@ -2613,6 +2614,18 @@
       metrics->height      = bsize->height << 6;
       metrics->max_advance = bsize->x_ppem;
     }
+
+    FT_TRACE5(( "FT_Select_Metrics:\n" ));
+    FT_TRACE5(( "  x scale: %d (%f)\n",
+                metrics->x_scale, metrics->x_scale / 65536.0 ));
+    FT_TRACE5(( "  y scale: %d (%f)\n",
+                metrics->y_scale, metrics->y_scale / 65536.0 ));
+    FT_TRACE5(( "  ascender: %f\n",    metrics->ascender / 64.0 ));
+    FT_TRACE5(( "  descender: %f\n",   metrics->descender / 64.0 ));
+    FT_TRACE5(( "  height: %f\n",      metrics->height / 64.0 ));
+    FT_TRACE5(( "  max advance: %f\n", metrics->max_advance / 64.0 ));
+    FT_TRACE5(( "  x ppem: %d\n",      metrics->x_ppem ));
+    FT_TRACE5(( "  y ppem: %d\n",      metrics->y_ppem ));
   }
 
 
@@ -2721,6 +2734,18 @@
       metrics->x_scale = 1L << 16;
       metrics->y_scale = 1L << 16;
     }
+
+    FT_TRACE5(( "FT_Request_Metrics:\n" ));
+    FT_TRACE5(( "  x scale: %d (%f)\n",
+                metrics->x_scale, metrics->x_scale / 65536.0 ));
+    FT_TRACE5(( "  y scale: %d (%f)\n",
+                metrics->y_scale, metrics->y_scale / 65536.0 ));
+    FT_TRACE5(( "  ascender: %f\n",    metrics->ascender / 64.0 ));
+    FT_TRACE5(( "  descender: %f\n",   metrics->descender / 64.0 ));
+    FT_TRACE5(( "  height: %f\n",      metrics->height / 64.0 ));
+    FT_TRACE5(( "  max advance: %f\n", metrics->max_advance / 64.0 ));
+    FT_TRACE5(( "  x ppem: %d\n",      metrics->x_ppem ));
+    FT_TRACE5(( "  y ppem: %d\n",      metrics->y_ppem ));
   }
 
 
@@ -2742,7 +2767,33 @@
     clazz = face->driver->clazz;
 
     if ( clazz->select_size )
-      return clazz->select_size( face->size, (FT_ULong)strike_index );
+    {
+      FT_Error  error;
+
+
+      error = clazz->select_size( face->size, (FT_ULong)strike_index );
+
+#ifdef FT_DEBUG_LEVEL_TRACE
+      {
+        FT_Size_Metrics*  metrics = &face->size->metrics;
+
+
+        FT_TRACE5(( "FT_Select_Size (font driver's `select_size'):\n" ));
+        FT_TRACE5(( "  x scale: %d (%f)\n",
+                    metrics->x_scale, metrics->x_scale / 65536.0 ));
+        FT_TRACE5(( "  y scale: %d (%f)\n",
+                    metrics->y_scale, metrics->y_scale / 65536.0 ));
+        FT_TRACE5(( "  ascender: %f\n",    metrics->ascender / 64.0 ));
+        FT_TRACE5(( "  descender: %f\n",   metrics->descender / 64.0 ));
+        FT_TRACE5(( "  height: %f\n",      metrics->height / 64.0 ));
+        FT_TRACE5(( "  max advance: %f\n", metrics->max_advance / 64.0 ));
+        FT_TRACE5(( "  x ppem: %d\n",      metrics->x_ppem ));
+        FT_TRACE5(( "  y ppem: %d\n",      metrics->y_ppem ));
+      }
+#endif
+
+      return error;
+    }
 
     FT_Select_Metrics( face, (FT_ULong)strike_index );
 
@@ -2770,7 +2821,33 @@
     clazz = face->driver->clazz;
 
     if ( clazz->request_size )
-      return clazz->request_size( face->size, req );
+    {
+      FT_Error  error;
+
+
+      error = clazz->request_size( face->size, req );
+
+#ifdef FT_DEBUG_LEVEL_TRACE
+      {
+        FT_Size_Metrics*  metrics = &face->size->metrics;
+
+
+        FT_TRACE5(( "FT_Request_Size (font driver's `request_size'):\n" ));
+        FT_TRACE5(( "  x scale: %d (%f)\n",
+                    metrics->x_scale, metrics->x_scale / 65536.0 ));
+        FT_TRACE5(( "  y scale: %d (%f)\n",
+                    metrics->y_scale, metrics->y_scale / 65536.0 ));
+        FT_TRACE5(( "  ascender: %f\n",    metrics->ascender / 64.0 ));
+        FT_TRACE5(( "  descender: %f\n",   metrics->descender / 64.0 ));
+        FT_TRACE5(( "  height: %f\n",      metrics->height / 64.0 ));
+        FT_TRACE5(( "  max advance: %f\n", metrics->max_advance / 64.0 ));
+        FT_TRACE5(( "  x ppem: %d\n",      metrics->x_ppem ));
+        FT_TRACE5(( "  y ppem: %d\n",      metrics->y_ppem ));
+      }
+#endif
+
+      return error;
+    }
 
     /*
      * The reason that a driver doesn't have `request_size' defined is
diff --git a/freetype/src/base/ftstroke.c b/freetype/src/base/ftstroke.c
index 3f24f9ee8..5399efe9d 100644
--- a/freetype/src/base/ftstroke.c
+++ b/freetype/src/base/ftstroke.c
@@ -2222,9 +2222,13 @@
       if ( error )
         goto Exit;
 
-      error = FT_Stroker_EndSubPath( stroker );
-      if ( error )
-        goto Exit;
+      /* don't try to end the path if no segments have been generated */
+      if ( !stroker->first_point )
+      {
+        error = FT_Stroker_EndSubPath( stroker );
+        if ( error )
+          goto Exit;
+      }
 
       first = last + 1;
     }