fixed division by zero in pixbuf_renderer_get_scroll_center

diff --git a/src/pixbuf-renderer.c b/src/pixbuf-renderer.c
index 8d64658..0f2198a 100644 (file)
--- a/src/pixbuf-renderer.c
+++ b/src/pixbuf-renderer.c
@@ -3525,8 +3525,15 @@ void pixbuf_renderer_get_scroll_center(PixbufRenderer *pr, gdouble *x, gdouble *
        src_x = pr->x_scroll + pr->vis_width / 2;
        src_y = pr->y_scroll + pr->vis_height / 2;
 
-       *x = (gdouble)src_x / pr->width;
-       *y = (gdouble)src_y / pr->height;
+       if (pr->width)
+               *x = (gdouble)src_x / pr->width;
+       else
+               *x = 0.5; /* center */
+               
+       if (pr->height)
+               *y = (gdouble)src_y / pr->height;
+       else
+               *y = 0.5; /* center */
 }
 
 void pixbuf_renderer_set_scroll_center(PixbufRenderer *pr, gdouble x, gdouble y)