[dvi] Test glyph->data for MDVI_GLYPH_EMPTY

[evince.git] / backend / dvi / mdvi-lib / font.c

diff --git a/backend/dvi/mdvi-lib/font.c b/backend/dvi/mdvi-lib/font.c
index 2d488d625d8847e6bb447fdb8bf1bb57dda4d6f3..2f655df0b70b7684fa91d8eaa0bbdc1fb587ed93 100644 (file)
--- a/backend/dvi/mdvi-lib/font.c
+++ b/backend/dvi/mdvi-lib/font.c
@@ -379,10 +379,12 @@ again:
                return ch;
        } else if(MDVI_ENABLED(dvi, MDVI_PARAM_ANTIALIASED)) {
                if(ch->grey.data && 
+                  !MDVI_GLYPH_ISEMPTY(ch->grey.data) &&
                   ch->fg == dvi->curr_fg && 
                   ch->bg == dvi->curr_bg)
                        return ch;
-               if(ch->grey.data) {
+               if(ch->grey.data &&
+                  !MDVI_GLYPH_ISEMPTY(ch->grey.data)) {
                        if(dvi->device.free_image)
                                dvi->device.free_image(ch->grey.data);
                        ch->grey.data = NULL;