X-Git-Url: http://git.cinelerra-gg.org/git/?a=blobdiff_plain;f=cinelerra-5.1%2Fcinelerra%2Fcanvas.h;h=89a7eb8268e375b6686df39e319ef5e79f3c9cb7;hb=eecf057a9d6b8c8cffc7d0001bff89bc9cac7b05;hp=c5d53703a791cd34d9e6e6bd5b432ebcf04b9875;hpb=e9a3c57c8d3bb4d79e76a4c3942f86a66d3c267e;p=goodguy%2Fhistory.git

diff --git a/cinelerra-5.1/cinelerra/canvas.h b/cinelerra-5.1/cinelerra/canvas.h
index c5d53703..89a7eb82 100644
--- a/cinelerra-5.1/cinelerra/canvas.h
+++ b/cinelerra-5.1/cinelerra/canvas.h
@@ -146,6 +146,7 @@ public:
 	void update_refresh(VideoDevice *device, VFrame *output_frame);
 // Redraws the refresh_frame
 	virtual void draw_refresh(int flush = 1) {};
+	virtual void clear(int flush=1);
 
 // Get top left offset of canvas relative to output.
 // Normally negative.  Can be positive if output is smaller than canvas.