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-rw-r--r--src/display/sp-canvas.cpp4
1 files changed, 4 insertions, 0 deletions
diff --git a/src/display/sp-canvas.cpp b/src/display/sp-canvas.cpp
index 1f89e8bae..1fe577d8e 100644
--- a/src/display/sp-canvas.cpp
+++ b/src/display/sp-canvas.cpp
@@ -1743,6 +1743,8 @@ sp_canvas_paint_rect (SPCanvas *canvas, int xx0, int yy0, int xx1, int yy1)
*/
void
sp_canvas_force_full_redraw_after_interruptions(SPCanvas *canvas, unsigned int count) {
+ g_return_if_fail(canvas != NULL);
+
canvas->forced_redraw_limit = count;
canvas->forced_redraw_count = 0;
}
@@ -1752,6 +1754,8 @@ sp_canvas_force_full_redraw_after_interruptions(SPCanvas *canvas, unsigned int c
*/
void
sp_canvas_end_forced_full_redraws(SPCanvas *canvas) {
+ g_return_if_fail(canvas != NULL);
+
canvas->forced_redraw_limit = 0;
}