# HG changeset patch
# User Thinker K.F. Li <thinker@branda.to>
# Date 1236190858 -28800
# Node ID d0f8642d3508aca06df2f938221b603ee4fe0b73
# Parent  535731374dfbb03b42993f5aa1ee5bf1edfe806a
Fix bug that images are lost after hidden & expose window.
- It caused by forgeting to clear paths before setting paths for
  clipping.

diff -r 535731374dfb -r d0f8642d3508 src/redraw_man.c
--- a/src/redraw_man.c	Thu Mar 05 01:48:52 2009 +0800
+++ b/src/redraw_man.c	Thu Mar 05 02:20:58 2009 +0800
@@ -1517,15 +1517,10 @@
 static void clear_canvas(canvas_t *canvas) {
     cairo_operator_t old_op;
 
-#if 1
     old_op = cairo_get_operator(canvas);
     cairo_set_operator(canvas, CAIRO_OPERATOR_CLEAR);
     cairo_paint(canvas);
     cairo_set_operator(canvas, old_op);
-#else
-    cairo_set_source_rgba(canvas, 0, 0, 0, 0);
-    cairo_paint(canvas);
-#endif
 }
 
 static void clean_canvas(cairo_t *cr, co_aix w, co_aix h) {
@@ -1560,6 +1555,7 @@
     int i;
     area_t *area;
 
+    cairo_new_path(cr);
     for(i = 0; i < n_dirty_areas; i++) {
 	area = dirty_areas[i];
 	cairo_rectangle(cr, area->x, area->y, area->w, area->h);