(mac_query_char_extents): Don't return glyph ID if layout

adjustment is needed.
(mac_load_query_font): Check if width and height are positive.

diff --git a/src/macterm.c b/src/macterm.c
index 86f4c46c4c6654accefa427ec7f9b394e16f1102..864852129e205973fc334f03c4d76ca5cf39145e 100644 (file)
--- a/src/macterm.c
+++ b/src/macterm.c
@@ -1198,7 +1198,12 @@ mac_query_char_extents (style, c,
                err1 = ATSUGetGlyphInfo (text_layout, kATSUFromTextBeginning,
                                         kATSUToTextEnd, &count,
                                         &glyph_info_array);
-             if (err1 == noErr)
+             if (err1 == noErr
+                 /* Make sure that we don't have to make layout
+                    adjustments.  */
+                 && glyph_info_array.glyphs[0].deltaY == 0.0f
+                 && glyph_info_array.glyphs[0].idealX == 0.0f
+                 && glyph_info_array.glyphs[0].screenX == 0)
                {
                  xassert (glyph_info_array.glyphs[0].glyphID);
                  *cg_glyph = glyph_info_array.glyphs[0].glyphID;
@@ -7963,7 +7968,8 @@ mac_load_query_font (f, fontname)
                                    NULL
 #endif
                                    );
-      if (err != noErr)
+      if (err != noErr
+         || space_bounds->width <= 0 || FONT_HEIGHT (font) <= 0)
        {
          mac_unload_font (&one_mac_display_info, font);
          return NULL;