X-Git-Url: http://git.cinelerra-gg.org/git/?p=goodguy%2Fhistory.git;a=blobdiff_plain;f=cinelerra-5.1%2Fcinelerra%2Fcanvas.h;h=89a7eb8268e375b6686df39e319ef5e79f3c9cb7;hp=5230c2281f0e1ffa501984a659977f956c77774a;hb=7b25542808937e46959c104a706b75f04b1215be;hpb=d4cfc2eaf603cd5abc76e98676a5ac8a53285c4e

diff --git a/cinelerra-5.1/cinelerra/canvas.h b/cinelerra-5.1/cinelerra/canvas.h
index 5230c228..89a7eb82 100644
--- a/cinelerra-5.1/cinelerra/canvas.h
+++ b/cinelerra-5.1/cinelerra/canvas.h
@@ -25,6 +25,7 @@
 #include "edl.inc"
 #include "guicast.h"
 #include "mwindow.inc"
+#include "videodevice.inc"
 
 // Output for all X11 video
 
@@ -93,8 +94,8 @@ public:
 	virtual void zoom_auto() {};
 	virtual int cursor_leave_event() { return 0; };
 	virtual int cursor_enter_event() { return 0; };
-	virtual int button_release_event();
-	virtual int button_press_event() { return 0; };
+	virtual int button_release_event() { return 0; };
+	virtual int button_press_event();
 	virtual int cursor_motion_event() { return 0; };
 	virtual void draw_overlays() { };
 	virtual void toggle_controls() { } ;
@@ -141,8 +142,11 @@ public:
 	virtual int get_xscroll() { return 0; };
 	virtual int get_yscroll() { return 0; };
 	virtual float get_zoom() { return 0; };
-// Redraws the image
+// Updates the refresh_frame
+	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.