From: handa <handa>
Date: Tue, 6 Nov 2007 04:44:29 +0000 (+0000)
Subject: (ft_open): Keep rfont's metrics in 26.6 fixed pixels.
X-Git-Url: http://git.chise.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=7c1c0ca0d25f9b8158f9e66d496ea69e23e77a45;p=m17n%2Fm17n-lib.git

(ft_open): Keep rfont's metrics in 26.6 fixed pixels.
(ft_find_metric): Adjust glyph's metrics.
(ft_encapsulate): Keep rfont's metrics in 26.6 fixed pixels.
(ft_drive_otf): Set mark glyph's xadv to 0.
---

diff --git a/src/font-ft.c b/src/font-ft.c
index 2786550..8701d3f 100644
--- a/src/font-ft.c
+++ b/src/font-ft.c
@@ -1541,9 +1541,9 @@ ft_open (MFrame *frame, MFont *font, MFont *spec, MRealizedFont *rfont)
   rfont->driver = &mfont__ft_driver;
   rfont->info = ft_rfont;
   rfont->fontp = ft_face;
-  rfont->ascent = ft_face->size->metrics.ascender >> 6;
-  rfont->descent = - ft_face->size->metrics.descender >> 6;
-  rfont->max_advance = ft_face->size->metrics.max_advance >> 6;
+  rfont->ascent = ft_face->size->metrics.ascender;
+  rfont->descent = - ft_face->size->metrics.descender;
+  rfont->max_advance = ft_face->size->metrics.max_advance;
   rfont->baseline_offset = 0;
   rfont->x_ppem = ft_face->size->metrics.x_ppem;
   rfont->y_ppem = ft_face->size->metrics.y_ppem;
@@ -1554,16 +1554,16 @@ ft_open (MFrame *frame, MFont *font, MFont *spec, MRealizedFont *rfont)
     if (! FT_IS_SCALABLE (ft_face)
 	&& FT_Get_BDF_Property (ft_face, "_MULE_BASELINE_OFFSET", &prop) == 0)
       {
-	rfont->baseline_offset = prop.u.integer;
-	rfont->ascent += prop.u.integer;
-	rfont->descent -= prop.u.integer;
+	rfont->baseline_offset = prop.u.integer << 6;
+	rfont->ascent += prop.u.integer << 6;
+	rfont->descent -= prop.u.integer << 6;
       }
   }
 #endif	/* HAVE_FTBDF_H */
   if (FT_IS_SCALABLE (ft_face))
     rfont->average_width = 0;
   else
-    rfont->average_width = ft_face->available_sizes->width;
+    rfont->average_width = ft_face->available_sizes->width << 6;
   rfont->next = MPLIST_VAL (frame->realized_font_list);
   MPLIST_VAL (frame->realized_font_list) = rfont;
   MDEBUG_PRINT ("  ok\n");
@@ -1634,8 +1634,9 @@ ft_find_metric (MRealizedFont *rfont, MGlyphString *gstring,
 	  g->g.ascent = metrics->horiBearingY;
 	  g->g.descent = metrics->height - metrics->horiBearingY;
 	}
-      g->g.ascent += rfont->baseline_offset >> 6;
-      g->g.descent -= rfont->baseline_offset >> 6;
+      g->g.yadv = 0;
+      g->g.ascent += rfont->baseline_offset;
+      g->g.descent -= rfont->baseline_offset;
       g->g.measured = 1;
     }
 }
@@ -2119,7 +2120,7 @@ ft_encapsulate (MFrame *frame, MSymbol data_type, void *data)
   if (FT_IS_SCALABLE (ft_face))
     rfont->average_width = 0;
   else
-    rfont->average_width = ft_face->available_sizes->width;
+    rfont->average_width = ft_face->available_sizes->width << 6;
   rfont->next = MPLIST_VAL (frame->realized_font_list);
   MPLIST_VAL (frame->realized_font_list) = rfont;
 
@@ -2441,6 +2442,8 @@ ft_drive_otf (MFLTFont *font, MFLTOtfSpec *spec,
 		adjustment[i].xoff = (base_x - mark_x);
 		adjustment[i].yoff = - (base_y - mark_y);
 		adjustment[i].back = (g - prev);
+		adjustment[i].xadv = 0;
+		adjustment[i].advance_is_absolute = 1;
 		adjustment[i].set = 1;
 	      }
 	    }