Sync with trunk r47367

[reactos.git] / lib / 3rdparty / freetype / src / autofit / afloader.c

diff --git a/lib/3rdparty/freetype/src/autofit/afloader.c b/lib/3rdparty/freetype/src/autofit/afloader.c
index 4e4373a..6dd9f2a 100644 (file)
--- a/lib/3rdparty/freetype/src/autofit/afloader.c
+++ b/lib/3rdparty/freetype/src/autofit/afloader.c
@@ -4,7 +4,7 @@
 /*                                                                         */
 /*    Auto-fitter glyph loading routines (body).                           */
 /*                                                                         */
-/*  Copyright 2003, 2004, 2005, 2006, 2007 by                              */
+/*  Copyright 2003, 2004, 2005, 2006, 2007, 2008, 2009 by                  */
 /*  David Turner, Robert Wilhelm, and Werner Lemberg.                      */
 /*                                                                         */
 /*  This file is part of the FreeType project, and may only be used,       */
@@ -19,7 +19,6 @@
 #include "afloader.h"
 #include "afhints.h"
 #include "afglobal.h"
-#include "aflatin.h"
 #include "aferrors.h"
 
 
@@ -165,9 +164,10 @@
 
       /* now load the slot image into the auto-outline and run the */
       /* automatic hinting process                                 */
-      metrics->clazz->script_hints_apply( hints,
-                                          &gloader->current.outline,
-                                          metrics );
+      if ( metrics->clazz->script_hints_apply )
+        metrics->clazz->script_hints_apply( hints,
+                                            &gloader->current.outline,
+                                            metrics );
 
       /* we now need to hint the metrics according to the change in */
       /* width/positioning that occurred during the hinting process */
@@ -183,9 +183,9 @@
 
         if ( axis->num_edges > 1 && AF_HINTS_DO_ADVANCE( hints ) )
         {
-          old_rsb     = loader->pp2.x - edge2->opos;
-          old_lsb     = edge1->opos;
-          new_lsb     = edge1->pos;
+          old_rsb = loader->pp2.x - edge2->opos;
+          old_lsb = edge1->opos;
+          new_lsb = edge1->pos;
 
           /* remember unhinted values to later account */
           /* for rounding errors                       */
@@ -216,8 +216,9 @@
         }
         else
         {
-          FT_Pos   pp1x = loader->pp1.x;
-          FT_Pos   pp2x = loader->pp2.x;
+          FT_Pos  pp1x = loader->pp1.x;
+          FT_Pos  pp2x = loader->pp2.x;
+
 
           loader->pp1.x = FT_PIX_ROUND( pp1x );
           loader->pp2.x = FT_PIX_ROUND( pp2x );
@@ -228,8 +229,9 @@
       }
       else
       {
-        FT_Pos   pp1x = loader->pp1.x;
-        FT_Pos   pp2x = loader->pp2.x;
+        FT_Pos  pp1x = loader->pp1.x;
+        FT_Pos  pp2x = loader->pp2.x;
+
 
         loader->pp1.x = FT_PIX_ROUND( pp1x + hints->xmin_delta );
         loader->pp2.x = FT_PIX_ROUND( pp2x + hints->xmax_delta );
@@ -412,7 +414,8 @@
       slot->metrics.vertBearingY = FT_PIX_FLOOR( bbox.yMax + vvector.y );
 
       /* for mono-width fonts (like Andale, Courier, etc.) we need */
-      /* to keep the original rounded advance width                */
+      /* to keep the original rounded advance width; ditto for     */
+      /* digits if all have the same advance width                 */
 #if 0
       if ( !FT_IS_FIXED_WIDTH( slot->face ) )
         slot->metrics.horiAdvance = loader->pp2.x - loader->pp1.x;
@@ -420,13 +423,9 @@
         slot->metrics.horiAdvance = FT_MulFix( slot->metrics.horiAdvance,
                                                x_scale );
 #else
-      if ( !FT_IS_FIXED_WIDTH( slot->face ) )
-      {
-        /* non-spacing glyphs must stay as-is */
-        if ( slot->metrics.horiAdvance )
-          slot->metrics.horiAdvance = loader->pp2.x - loader->pp1.x;
-      }
-      else
+      if ( FT_IS_FIXED_WIDTH( slot->face )                              ||
+           ( af_face_globals_is_digit( loader->globals, glyph_index ) &&
+             metrics->digits_have_same_width                          ) )
       {
         slot->metrics.horiAdvance = FT_MulFix( slot->metrics.horiAdvance,
                                                metrics->scaler.x_scale );
@@ -436,6 +435,12 @@
         slot->lsb_delta = 0;
         slot->rsb_delta = 0;
       }
+      else
+      {
+        /* non-spacing glyphs must stay as-is */
+        if ( slot->metrics.horiAdvance )
+          slot->metrics.horiAdvance = loader->pp2.x - loader->pp1.x;
+      }
 #endif
 
       slot->metrics.vertAdvance = FT_MulFix( slot->metrics.vertAdvance,
@@ -515,9 +520,13 @@
         load_flags |=  FT_LOAD_NO_SCALE | FT_LOAD_IGNORE_TRANSFORM;
         load_flags &= ~FT_LOAD_RENDER;
 
-        error = metrics->clazz->script_hints_init( &loader->hints, metrics );
-        if ( error )
-          goto Exit;
+        if ( metrics->clazz->script_hints_init )
+        {
+          error = metrics->clazz->script_hints_init( &loader->hints,
+                                                     metrics );
+          if ( error )
+            goto Exit;
+        }
 
         error = af_loader_load_g( loader, &scaler, gindex, load_flags, 0 );
       }