(ft_drive_otf): Reset 28th bit of g->g.internal for

[m17n/m17n-lib.git] / src / font-ft.c

diff --git a/src/font-ft.c b/src/font-ft.c
index f36f110..47fe1fa 100644 (file)
--- a/src/font-ft.c
+++ b/src/font-ft.c
@@ -2252,6 +2252,7 @@ ft_drive_otf (MFLTFont *font, MFLTOtfSpec *spec,
   OTF_Glyph *otfg;
   char script[5], *langsys = NULL;
   char *gsub_features = NULL, *gpos_features = NULL;
+  unsigned int tag;
 
   if (len == 0)
     return from;
@@ -2306,7 +2307,6 @@ ft_drive_otf (MFLTFont *font, MFLTOtfSpec *spec,
     {
       OTF_Feature *features;
       MGlyph *g;
-      unsigned int tag;
 
       if (OTF_drive_gsub_with_log (otf, &otf_gstring, script, langsys,
                                   gsub_features) < 0)
@@ -2336,7 +2336,7 @@ ft_drive_otf (MFLTFont *font, MFLTOtfSpec *spec,
                {
                  tag = features[feature_idx - 1].FeatureTag;
                  tag = PACK_OTF_TAG (tag);
-                 g->g.internal = (g->g.internal & ~0xFFFFFFF) | tag;
+                 g->g.internal = (g->g.internal & ~0x1FFFFFFF) | tag;
                }
              for (j = otfg->f.index.from + 1; j <= otfg->f.index.to; j++)
                {
@@ -2367,7 +2367,7 @@ ft_drive_otf (MFLTFont *font, MFLTOtfSpec *spec,
                  for (j = otfg->f.index.from; j <= otfg->f.index.to; j++)
                    {
                      g = in_glyphs + (from + j);
-                     g->g.internal = (g->g.internal & ~0xFFFFFFF) | tag;
+                     g->g.internal = (g->g.internal & ~0x1FFFFFFF) | tag;
                    }
                }
            }
@@ -2406,9 +2406,11 @@ ft_drive_otf (MFLTFont *font, MFLTOtfSpec *spec,
              int feature_idx = otfg->positioning_type >> 4;
 
              if (feature_idx)
-               g->g.internal = ((g->g.internal & ~0xFFFF)
-                                | features[feature_idx - 1].FeatureTag);
-
+               {
+                 tag = features[feature_idx - 1].FeatureTag;
+                 tag = PACK_OTF_TAG (tag);
+                 g->g.internal = (g->g.internal & ~0x1FFFFFFF) | tag;
+               }
              switch (otfg->positioning_type & 0xF)
                {
                case 0:
@@ -2519,12 +2521,15 @@ ft_drive_otf (MFLTFont *font, MFLTOtfSpec *spec,
                int feature_idx = otfg->positioning_type >> 4;
 
                if (feature_idx)
-                 for (j = otfg->f.index.from; j <= otfg->f.index.to; j++)
-                   {
-                     g = in_glyphs + (from + j);
-                     g->g.internal = ((g->g.internal & ~0xFFFF)
-                                      | features[feature_idx - 1].FeatureTag);
-                   }
+                 {
+                   tag = features[feature_idx - 1].FeatureTag;
+                   tag = PACK_OTF_TAG (tag);
+                   for (j = otfg->f.index.from; j <= otfg->f.index.to; j++)
+                     {
+                       g = in_glyphs + (from + j);
+                       g->g.internal = (g->g.internal & ~0x1FFFFFFF) | tag;
+                     }
+                 }
              }
        }
     }
@@ -2536,7 +2541,7 @@ ft_drive_otf (MFLTFont *font, MFLTOtfSpec *spec,
   if (otf_gstring.glyphs)
     free (otf_gstring.glyphs);
 #endif /* HAVE_OTF */
-  if ( out)
+  if (out)
     {
       if (out->allocated < out->used + len)
        return -2;