[dia] Bug 430674 - PNG export omits all text

[Hans Breuer <hans src gnome org>]

commit 7ac06b8b7b9e831fb83ae01f395ab8b652ffa04a
Author: Hans Breuer <hans breuer org>
Date:   Mon Jul 11 00:29:57 2011 +0200

    Bug 430674 - PNG export omits all text
    
    No more Gdk-WARNING **: No colormap in gc_get_foreground
    by simply setting the system colormap in the gc.

 plug-ins/libart/dialibartrenderer.c |    1 +
 1 files changed, 1 insertions(+), 0 deletions(-)
---
diff --git a/plug-ins/libart/dialibartrenderer.c b/plug-ins/libart/dialibartrenderer.c
index b96c3b5..2de0d63 100644
--- a/plug-ins/libart/dialibartrenderer.c
+++ b/plug-ins/libart/dialibartrenderer.c
@@ -1178,6 +1178,7 @@ draw_text_line(DiaRenderer *self, TextLine *text_line,
 
    rowstride = 32*((width+31)/31);
 #if 1 /* with 8 bit pixmap we would probably need to set the whole gray palette */
+   gdk_gc_set_colormap (gc, gdk_colormap_get_system ());
    gdk_gc_set_foreground (gc, &color_gdk_black);
    gdk_gc_set_background (gc, &color_gdk_white);
    gdk_draw_rectangle (GDK_DRAWABLE (pixmap), gc, TRUE, 0, 0, width, height);