shithub: freetype+ttf2subf

Download patch

ref: c9d9947c68d56b10b25015d40002e874d4299583
parent: 44aa7e0af52e44ccf87e62dc38dddc82af3255d7
author: Werner Lemberg <[email protected]>
date: Tue Dec 31 03:16:57 EST 2013

[autofit] Fix interface of `af_get_char_index'.

* src/autofit/hbshim.c (af_get_char_index): Return error value.
Add argument for y offset (to be used in a yet-to-come patch).

* src/autofit/hbshim.h, src/autofit/afcjk.c,
src/autofit/aflatin.c: Updated.

git/fs: mount .git/fs: mount/attach disallowed
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,13 @@
+2013-12-31  Werner Lemberg  <[email protected]>
+
+	[autofit] Fix interface of `af_get_char_index'.
+
+	* src/autofit/hbshim.c (af_get_char_index): Return error value.
+	Add argument for y offset (to be used in a yet-to-come patch).
+
+	* src/autofit/hbshim.h, src/autofit/afcjk.c,
+	src/autofit/aflatin.c: Updated.
+
 2013-12-30  Werner Lemberg  <[email protected]>
 
 	[autofit] Don't combine multiple features into one set.
--- a/src/autofit/afcjk.c
+++ b/src/autofit/afcjk.c
@@ -87,7 +87,8 @@
 
     {
       FT_Error          error;
-      FT_UInt           glyph_index;
+      FT_ULong          glyph_index;
+      FT_Long           y_offset;
       int               dim;
       AF_CJKMetricsRec  dummy[1];
       AF_Scaler         scaler = &dummy->root.scaler;
@@ -101,8 +102,10 @@
                                        [style_class->script];
 
 
-      glyph_index = af_get_char_index( &metrics->root,
-                                       script_class->standard_char );
+      af_get_char_index( &metrics->root,
+                         script_class->standard_char,
+                         &glyph_index,
+                         &y_offset );
       if ( glyph_index == 0 )
         goto Exit;
 
@@ -289,7 +292,8 @@
       while ( *p )
       {
         FT_ULong    ch;
-        FT_UInt     glyph_index;
+        FT_ULong    glyph_index;
+        FT_Long     y_offset;
         FT_Pos      best_pos;       /* same as points.y or points.x, resp. */
         FT_Int      best_point;
         FT_Vector*  points;
@@ -298,7 +302,7 @@
         GET_UTF8_CHAR( ch, p );
 
         /* load the character in the face -- skip unknown or empty ones */
-        glyph_index = af_get_char_index( &metrics->root, ch );
+        af_get_char_index( &metrics->root, ch, &glyph_index, &y_offset );
         if ( glyph_index == 0 )
         {
           FT_TRACE5(( "  U+%04lX unavailable\n", ch ));
@@ -477,10 +481,11 @@
     /* digit `0' is 0x30 in all supported charmaps */
     for ( i = 0x30; i <= 0x39; i++ )
     {
-      FT_UInt  glyph_index;
+      FT_ULong  glyph_index;
+      FT_Long   y_offset;
 
 
-      glyph_index = af_get_char_index( &metrics->root, i );
+      af_get_char_index( &metrics->root, i, &glyph_index, &y_offset );
       if ( glyph_index == 0 )
         continue;
 
--- a/src/autofit/aflatin.c
+++ b/src/autofit/aflatin.c
@@ -74,7 +74,8 @@
 
     {
       FT_Error            error;
-      FT_UInt             glyph_index;
+      FT_ULong            glyph_index;
+      FT_Long             y_offset;
       int                 dim;
       AF_LatinMetricsRec  dummy[1];
       AF_Scaler           scaler = &dummy->root.scaler;
@@ -88,8 +89,10 @@
                                        [style_class->script];
 
 
-      glyph_index = af_get_char_index( &metrics->root,
-                                       script_class->standard_char );
+      af_get_char_index( &metrics->root,
+                         script_class->standard_char,
+                         &glyph_index,
+                         &y_offset );
       if ( glyph_index == 0 )
         goto Exit;
 
@@ -287,7 +290,8 @@
       while ( *p )
       {
         FT_ULong    ch;
-        FT_UInt     glyph_index;
+        FT_ULong    glyph_index;
+        FT_Long     y_offset;
         FT_Pos      best_y;                            /* same as points.y */
         FT_Int      best_point, best_contour_first, best_contour_last;
         FT_Vector*  points;
@@ -297,7 +301,7 @@
         GET_UTF8_CHAR( ch, p );
 
         /* load the character in the face -- skip unknown or empty ones */
-        glyph_index = af_get_char_index( &metrics->root, ch );
+        af_get_char_index( &metrics->root, ch, &glyph_index, &y_offset );
         if ( glyph_index == 0 )
         {
           FT_TRACE5(( "  U+%04lX unavailable\n", ch ));
@@ -743,10 +747,11 @@
     /* digit `0' is 0x30 in all supported charmaps */
     for ( i = 0x30; i <= 0x39; i++ )
     {
-      FT_UInt  glyph_index;
+      FT_ULong  glyph_index;
+      FT_Long   y_offset;
 
 
-      glyph_index = af_get_char_index( &metrics->root, i );
+      af_get_char_index( &metrics->root, i, &glyph_index, &y_offset );
       if ( glyph_index == 0 )
         continue;
 
--- a/src/autofit/hbshim.c
+++ b/src/autofit/hbshim.c
@@ -230,9 +230,11 @@
   }
 
 
-  FT_UInt
+  FT_Error
   af_get_char_index( AF_StyleMetrics  metrics,
-                     FT_ULong         charcode )
+                     FT_ULong         charcode,
+                     FT_ULong        *codepoint,
+                     FT_Long         *y_offset )
   {
     FT_Face  face;
 
@@ -242,7 +244,10 @@
 
     face = metrics->globals->face;
 
-    return FT_Get_Char_Index( face, charcode );
+    *codepoint = FT_Get_Char_Index( face, charcode );
+    *y_offset  = 0;
+
+    return FT_Err_Ok;
   }
 
 
@@ -262,9 +267,11 @@
   }
 
 
-  FT_UInt
+  FT_Error
   af_get_char_index( AF_StyleMetrics  metrics,
-                     FT_ULong         charcode )
+                     FT_ULong         charcode,
+                     FT_ULong        *codepoint,
+                     FT_Long         *y_offset )
   {
     FT_Face  face;
 
@@ -274,7 +281,10 @@
 
     face = metrics->globals->face;
 
-    return FT_Get_Char_Index( face, charcode );
+    *codepoint = FT_Get_Char_Index( face, charcode );
+    *y_offset  = 0;
+
+    return FT_Err_Ok;
   }
 
 
--- a/src/autofit/hbshim.h
+++ b/src/autofit/hbshim.h
@@ -40,9 +40,11 @@
                    AF_StyleClass   style_class,
                    FT_Byte*        gstyles );
 
-  FT_UInt
+  FT_Error
   af_get_char_index( AF_StyleMetrics  metrics,
-                     FT_ULong         charcode );
+                     FT_ULong         charcode,
+                     FT_ULong        *codepoint,
+                     FT_Long         *y_offset );
 
  /* */