Update bundled FreeType sources to 2.3.12

Most important changes:
* SFNT cmap 13 table format support;
* fixed glitches when rasterizing stretched TTF (xsize!=ysize);
* various fixes in Type1, CFF, and PCF drivers

Change-Id: Ib9e2210ffbd0daa2fdbf518ea87f4be502de6b48
Reviewed-by: Thiago Macieira <thiago.macieira@intel.com>
Reviewed-by: Lars Knoll <lars.knoll@digia.com>

1 files changed, 40 insertions, 30 deletions

diff --git a/src/3rdparty/freetype/src/cid/cidgload.c b/src/3rdparty/freetype/src/cid/cidgload.c
index 64994b4419..ea61b4e128 100644
--- a/src/3rdparty/freetype/src/cid/cidgload.c
+++ b/src/3rdparty/freetype/src/cid/cidgload.c
@@ -4,7 +4,7 @@
 /*                                                                         */
 /*    CID-keyed Type1 Glyph Loader (body).                                 */
 /*                                                                         */
-/*  Copyright 1996-2001, 2002, 2003, 2004, 2005, 2006, 2007 by             */
+/*  Copyright 1996-2001, 2002, 2003, 2004, 2005, 2006, 2007, 2009, 2010 by */
 /*  David Turner, Robert Wilhelm, and Werner Lemberg.                      */
 /*                                                                         */
 /*  This file is part of the FreeType project, and may only be used,       */
@@ -22,6 +22,7 @@
 #include FT_INTERNAL_DEBUG_H
 #include FT_INTERNAL_STREAM_H
 #include FT_OUTLINE_H
+#include FT_INTERNAL_CALC_H
 
 #include "ciderrs.h"
 
@@ -51,20 +52,25 @@
     FT_ULong       glyph_length = 0;
     PSAux_Service  psaux        = (PSAux_Service)face->psaux;
 
+#ifdef FT_CONFIG_OPTION_INCREMENTAL
+    FT_Incremental_InterfaceRec *inc =
+                                  face->root.internal->incremental_interface;
+#endif
+
+
+    FT_TRACE4(( "cid_load_glyph: glyph index %d\n", glyph_index ));
 
 #ifdef FT_CONFIG_OPTION_INCREMENTAL
 
     /* For incremental fonts get the character data using */
     /* the callback function.                             */
-    if ( face->root.internal->incremental_interface )
+    if ( inc )
     {
       FT_Data  glyph_data;
 
 
-      error = face->root.internal->incremental_interface->funcs->get_glyph_data(
-                face->root.internal->incremental_interface->object,
-                glyph_index,
-                &glyph_data );
+      error = inc->funcs->get_glyph_data( inc->object,
+                                          glyph_index, &glyph_data );
       if ( error )
         goto Exit;
 
@@ -80,9 +86,7 @@
                      glyph_length );
       }
 
-      face->root.internal->incremental_interface->funcs->free_glyph_data(
-                face->root.internal->incremental_interface->object,
-                &glyph_data );
+      inc->funcs->free_glyph_data( inc->object, &glyph_data );
 
       if ( error )
         goto Exit;
@@ -163,23 +167,22 @@
 #ifdef FT_CONFIG_OPTION_INCREMENTAL
 
     /* Incremental fonts can optionally override the metrics. */
-    if ( !error                                                              &&
-         face->root.internal->incremental_interface                          &&
-         face->root.internal->incremental_interface->funcs->get_glyph_metrics )
+    if ( !error && inc && inc->funcs->get_glyph_metrics )
     {
       FT_Incremental_MetricsRec  metrics;
 
 
-      metrics.bearing_x = decoder->builder.left_bearing.x;
-      metrics.bearing_y = decoder->builder.left_bearing.y;
-      metrics.advance   = decoder->builder.advance.x;
-      error = face->root.internal->incremental_interface->funcs->get_glyph_metrics(
-                face->root.internal->incremental_interface->object,
-                glyph_index, FALSE, &metrics );
-      decoder->builder.left_bearing.x = metrics.bearing_x;
-      decoder->builder.left_bearing.y = metrics.bearing_y;
-      decoder->builder.advance.x      = metrics.advance;
-      decoder->builder.advance.y      = 0;
+      metrics.bearing_x = FIXED_TO_INT( decoder->builder.left_bearing.x );
+      metrics.bearing_y = 0;
+      metrics.advance   = FIXED_TO_INT( decoder->builder.advance.x );
+      metrics.advance_v = FIXED_TO_INT( decoder->builder.advance.y );
+
+      error = inc->funcs->get_glyph_metrics( inc->object,
+                                             glyph_index, FALSE, &metrics );
+
+      decoder->builder.left_bearing.x = INT_TO_FIXED( metrics.bearing_x );
+      decoder->builder.advance.x      = INT_TO_FIXED( metrics.advance );
+      decoder->builder.advance.y      = INT_TO_FIXED( metrics.advance_v );
     }
 
 #endif /* FT_CONFIG_OPTION_INCREMENTAL */
@@ -251,7 +254,7 @@
       /* ignore the error if one occurred - skip to next glyph */
     }
 
-    *max_advance = decoder.builder.advance.x;
+    *max_advance = FIXED_TO_INT( decoder.builder.advance.x );
 
     psaux->t1_decoder_funcs->done( &decoder );
 
@@ -342,8 +345,10 @@
       FT_Slot_Internal  internal = cidglyph->internal;
 
 
-      cidglyph->metrics.horiBearingX = decoder.builder.left_bearing.x;
-      cidglyph->metrics.horiAdvance  = decoder.builder.advance.x;
+      cidglyph->metrics.horiBearingX =
+        FIXED_TO_INT( decoder.builder.left_bearing.x );
+      cidglyph->metrics.horiAdvance =
+        FIXED_TO_INT( decoder.builder.advance.x );
 
       internal->glyph_matrix      = font_matrix;
       internal->glyph_delta       = font_offset;
@@ -357,8 +362,10 @@
 
 
       /* copy the _unscaled_ advance width */
-      metrics->horiAdvance                  = decoder.builder.advance.x;
-      cidglyph->linearHoriAdvance           = decoder.builder.advance.x;
+      metrics->horiAdvance =
+        FIXED_TO_INT( decoder.builder.advance.x );
+      cidglyph->linearHoriAdvance =
+        FIXED_TO_INT( decoder.builder.advance.x );
       cidglyph->internal->glyph_transformed = 0;
 
       /* make up vertical ones */
@@ -420,9 +427,12 @@
       metrics->horiBearingX = cbox.xMin;
       metrics->horiBearingY = cbox.yMax;
 
-      /* make up vertical ones */
-      ft_synthesize_vertical_metrics( metrics,
-                                      metrics->vertAdvance );
+      if ( load_flags & FT_LOAD_VERTICAL_LAYOUT ) 
+      {
+        /* make up vertical ones */
+        ft_synthesize_vertical_metrics( metrics,
+                                        metrics->vertAdvance );
+      }
     }
 
   Exit: