include/freetype/config/ftoption.h

@@ -430,8 +430,8 @@ FT_BEGIN_HEADER
    *   Do not `#undef` these macros here since the build system might define
    *   them for certain configurations only.
    */
-/* #define FT_DEBUG_LEVEL_ERROR */
-/* #define FT_DEBUG_LEVEL_TRACE */
+#define FT_DEBUG_LEVEL_ERROR
+#define FT_DEBUG_LEVEL_TRACE
 
 
   /**************************************************************************
@@ -647,7 +647,7 @@ FT_BEGIN_HEADER
    * Do not `#undef` this macro here, since the build system might define it
    * for certain configurations only.
    */
-#define TT_CONFIG_OPTION_BYTECODE_INTERPRETER
+// #define TT_CONFIG_OPTION_BYTECODE_INTERPRETER
 
 
   /**************************************************************************
@@ -681,7 +681,7 @@ FT_BEGIN_HEADER
    * [1]
    * https://www.microsoft.com/typography/cleartype/truetypecleartype.aspx
    */
-#define TT_CONFIG_OPTION_SUBPIXEL_HINTING
+// #define TT_CONFIG_OPTION_SUBPIXEL_HINTING
 
 
   /**************************************************************************

modules.cfg

@@ -38,7 +38,7 @@ FONT_MODULES += truetype
 # TrueType preload font driver.
 #
 # This driver needs the `sfnt' module.
-FONT_MODULES += preload
+#FONT_MODULES += preload
 
 # PostScript Type 1 font driver.
 #

src/base/ftobjs.c

@@ -2636,6 +2636,7 @@
 
           driver = FT_DRIVER( cur[0] );
 
+          // TODO: Check the args for a "preload" flag and act accordingly
           if ( args->flags & FT_OPEN_PARAMS )
           {
             num_params = args->num_params;
@@ -2726,6 +2727,7 @@
     /* face->driver instead.                                   */
     FT_List_Add( &face->driver->faces_list, node );
 
+    // TODO: The preload logic should be performed here
     /* now allocate a glyph slot object for the face */
     FT_TRACE4(( "FT_Open_Face: Creating glyph slot\n" ));
 
@@ -4908,6 +4910,10 @@
                     pixel_modes[slot->bitmap.pixel_mode],
                     slot->bitmap.pixel_mode ));
 
+        if(pitch<0)
+        {
+          pitch = -pitch;
+        }
         for ( i = 0; i < rows; i++ )
           for ( j = 0; j < pitch; j++ )
             coverage += bitmap.buffer[i * pitch + j];