It seems that the current invert drawing method (dst = fg XOR bg XOR dst)
is not good for anti-aliased font. I think that using GDK_INVERT is
good for it.
diff -r 9e3cdd762964 src/gui_gtk_x11.c
--- a/src/gui_gtk_x11.c Sat May 04 04:40:15 2013 +0200
+++ b/src/gui_gtk_x11.c Sun May 05 16:23:33 2013 +0900
@@ -5271,13 +5271,9 @@
if (gui.drawarea->window == NULL)
return;
- values.foreground.pixel = gui.norm_pixel ^ gui.back_pixel;
- values.background.pixel = gui.norm_pixel ^ gui.back_pixel;
- values.function = GDK_XOR;
+ values.function = GDK_INVERT;
invert_gc = gdk_gc_new_with_values(gui.drawarea->window,
&values,
- GDK_GC_FOREGROUND |
- GDK_GC_BACKGROUND |
GDK_GC_FUNCTION);
gdk_gc_set_exposures(invert_gc, gui.visibility !=
GDK_VISIBILITY_UNOBSCURED);
--
Yukihiro Nakadaira - [email protected]
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