Updated to freetype 2.4.1

3 files changed, 36 insertions, 34 deletions

diff --git a/freetype/src/smooth/ftgrays.c b/freetype/src/smooth/ftgrays.c
index 846e454e6..0b941433e 100644
--- a/freetype/src/smooth/ftgrays.c
+++ b/freetype/src/smooth/ftgrays.c
@@ -4,7 +4,7 @@
 /*                                                                         */
 /*    A new `perfect' anti-aliasing renderer (body).                       */
 /*                                                                         */
-/*  Copyright 2000-2001, 2002, 2003, 2005, 2006, 2007, 2008, 2009 by       */
+/*  Copyright 2000-2001, 2002, 2003, 2005, 2006, 2007, 2008, 2009, 2010 by */
 /*  David Turner, Robert Wilhelm, and Werner Lemberg.                      */
 /*                                                                         */
 /*  This file is part of the FreeType project, and may only be used,       */
@@ -103,10 +103,12 @@
 #include <stdarg.h>
 #endif
 
+#include <stddef.h>
 #include <string.h>
 #include <setjmp.h>
 #include <limits.h>
 #define FT_UINT_MAX  UINT_MAX
+#define FT_INT_MAX   INT_MAX
 
 #define ft_memset   memset
 
@@ -114,6 +116,8 @@
 #define ft_longjmp  longjmp
 #define ft_jmp_buf  jmp_buf
 
+typedef ptrdiff_t  FT_PtrDist;
+
 
 #define ErrRaster_Invalid_Mode      -2
 #define ErrRaster_Invalid_Outline   -1
@@ -1007,56 +1011,53 @@
                               const FT_Vector*  control2,
                               const FT_Vector*  to )
   {
-    TPos        dx, dy, da, db;
     int         top, level;
     int*        levels;
     FT_Vector*  arc;
+    int         mid_x = ( DOWNSCALE( ras.x ) + to->x +
+                          3 * (control1->x + control2->x ) ) / 8;
+    int         mid_y = ( DOWNSCALE( ras.y ) + to->y +
+                          3 * (control1->y + control2->y ) ) / 8;
+    TPos        dx = DOWNSCALE( ras.x ) + to->x - ( mid_x << 1 );
+    TPos        dy = DOWNSCALE( ras.y ) + to->y - ( mid_y << 1 );
 
 
-    dx = DOWNSCALE( ras.x ) + to->x - ( control1->x << 1 );
     if ( dx < 0 )
       dx = -dx;
-    dy = DOWNSCALE( ras.y ) + to->y - ( control1->y << 1 );
     if ( dy < 0 )
       dy = -dy;
     if ( dx < dy )
       dx = dy;
-    da = dx;
-
-    dx = DOWNSCALE( ras.x ) + to->x - 3 * ( control1->x + control2->x );
-    if ( dx < 0 )
-      dx = -dx;
-    dy = DOWNSCALE( ras.y ) + to->y - 3 * ( control1->x + control2->y );
-    if ( dy < 0 )
-      dy = -dy;
-    if ( dx < dy )
-      dx = dy;
-    db = dx;
 
     level = 1;
-    da    = da / ras.cubic_level;
-    db    = db / ras.conic_level;
-    while ( da > 0 || db > 0 )
+    dx /= ras.cubic_level;
+    while ( dx > 0 )
     {
-      da >>= 2;
-      db >>= 3;
+      dx >>= 2;
       level++;
     }
 
     if ( level <= 1 )
     {
-      TPos   to_x, to_y, mid_x, mid_y;
+      TPos  to_x, to_y;
 
 
       to_x  = UPSCALE( to->x );
       to_y  = UPSCALE( to->y );
+
+      /* Recalculation of midpoint is needed only if */
+      /* UPSCALE and DOWNSCALE have any effect.      */
+
+#if ( PIXEL_BITS != 6 )
       mid_x = ( ras.x + to_x +
                 3 * UPSCALE( control1->x + control2->x ) ) / 8;
       mid_y = ( ras.y + to_y +
                 3 * UPSCALE( control1->y + control2->y ) ) / 8;
+#endif
 
       gray_render_line( RAS_VAR_ mid_x, mid_y );
       gray_render_line( RAS_VAR_ to_x, to_y );
+
       return;
     }
 
@@ -1104,7 +1105,7 @@
 
     Draw:
       {
-        TPos  to_x, to_y, mid_x, mid_y;
+        TPos  to_x, to_y;
 
 
         to_x  = arc[0].x;
@@ -1189,7 +1190,7 @@
     /* first of all, compute the scanline offset */
     p = (unsigned char*)map->buffer - y * map->pitch;
     if ( map->pitch >= 0 )
-      p += ( map->rows - 1 ) * map->pitch;
+      p += (unsigned)( ( map->rows - 1 ) * map->pitch );
 
     for ( ; count > 0; count--, spans++ )
     {
@@ -2003,14 +2004,14 @@
     FT_UNUSED( raster );
   }
 
-#else /* _STANDALONE_ */
+#else /* !_STANDALONE_ */
 
   static int
   gray_raster_new( FT_Memory   memory,
                    FT_Raster*  araster )
   {
     FT_Error  error;
-    PRaster   raster;
+    PRaster   raster = NULL;
 
 
     *araster = 0;
@@ -2033,7 +2034,7 @@
     FT_FREE( raster );
   }
 
-#endif /* _STANDALONE_ */
+#endif /* !_STANDALONE_ */
 
 
   static void
diff --git a/freetype/src/smooth/ftsmooth.c b/freetype/src/smooth/ftsmooth.c
index eed635315..7d16b94a1 100644
--- a/freetype/src/smooth/ftsmooth.c
+++ b/freetype/src/smooth/ftsmooth.c
@@ -4,7 +4,7 @@
 /*                                                                         */
 /*    Anti-aliasing renderer interface (body).                             */
 /*                                                                         */
-/*  Copyright 2000-2001, 2002, 2003, 2004, 2005, 2006, 2009 by             */
+/*  Copyright 2000-2001, 2002, 2003, 2004, 2005, 2006, 2009, 2010 by       */
 /*  David Turner, Robert Wilhelm, and Werner Lemberg.                      */
 /*                                                                         */
 /*  This file is part of the FreeType project, and may only be used,       */
@@ -200,7 +200,7 @@
 
     /* Required check is ( pitch * height < FT_ULONG_MAX ),     */
     /* but we care realistic cases only. Always pitch <= width. */
-    if ( width > 0xFFFFU || height > 0xFFFFU )
+    if ( width > 0x7FFFU || height > 0x7FFFU )
     {
       FT_ERROR(( "ft_smooth_render_generic: glyph too large: %d x %d\n",
                  width, height ));
diff --git a/freetype/src/smooth/ftspic.c b/freetype/src/smooth/ftspic.c
index aa547fceb..7adaab17d 100644
--- a/freetype/src/smooth/ftspic.c
+++ b/freetype/src/smooth/ftspic.c
@@ -4,7 +4,7 @@
 /*                                                                         */
 /*    The FreeType position independent code services for smooth module.   */
 /*                                                                         */
-/*  Copyright 2009 by                                                      */
+/*  Copyright 2009, 2010 by                                                */
 /*  Oran Agra and Mickey Gabel.                                            */
 /*                                                                         */
 /*  This file is part of the FreeType project, and may only be used,       */
@@ -43,12 +43,13 @@
 
 
   FT_Error
-  ft_smooth_renderer_class_pic_init(  FT_Library library )
+  ft_smooth_renderer_class_pic_init( FT_Library  library )
   {
-    FT_PIC_Container* pic_container = &library->pic_container;
-    FT_Error        error = FT_Err_Ok;
-    SmoothPIC* container;
-    FT_Memory memory = library->memory;
+    FT_PIC_Container*  pic_container = &library->pic_container;
+    FT_Error           error         = Smooth_Err_Ok;
+    SmoothPIC*         container;
+    FT_Memory          memory        = library->memory;
+
 
     /* since this function also serve smooth_lcd and smooth_lcdv renderers, 
        it implements reference counting */