(x_draw_glyph_string_foreground)

(x_draw_composite_glyph_string_foreground): Implement overstriking.

1 files changed, 23 insertions, 4 deletions

diff --git a/src/xterm.c b/src/xterm.c
index 1e5ee80a110..c5b0a8b00d3 100644
--- a/src/xterm.c
+++ b/src/xterm.c
@@ -3222,6 +3222,18 @@ x_draw_glyph_string_foreground (s)
             XDrawImageString (s->display, s->window, s->gc, x,
                               s->ybase - boff, char1b, s->nchars);
         }
+
+      if (s->face->overstrike)
+        {
+          /* For overstriking (to simulate bold-face), draw the
+             characters again shifted to the right by one pixel.  */
+          if (s->two_byte_p)
+            XDrawString16 (s->display, s->window, s->gc, x + 1,
+                           s->ybase - boff, s->char2b, s->nchars);
+          else
+            XDrawString (s->display, s->window, s->gc, x + 1,
+                         s->ybase - boff, char1b, s->nchars);
+        }
     }
 }
 
@@ -3257,10 +3269,17 @@ x_draw_composite_glyph_string_foreground (s)
   else
     {
       for (i = 0; i < s->nchars; i++, ++s->gidx)
-        XDrawString16 (s->display, s->window, s->gc,
-                       x + s->cmp->offsets[s->gidx * 2],
-                       s->ybase - s->cmp->offsets[s->gidx * 2 + 1],
-                       s->char2b + i, 1);
+        {
+          XDrawString16 (s->display, s->window, s->gc,
+                         x + s->cmp->offsets[s->gidx * 2],
+                         s->ybase - s->cmp->offsets[s->gidx * 2 + 1],
+                         s->char2b + i, 1);
+          if (s->face->overstrike)
+            XDrawString16 (s->display, s->window, s->gc,
+                           x + s->cmp->offsets[s->gidx * 2] + 1,
+                           s->ybase - s->cmp->offsets[s->gidx * 2 + 1],
+                           s->char2b + i, 1);
+        }
     }
 }