add waveform audio icons, clear vwdw on change_source

[goodguy/history.git] / cinelerra-5.1 / cinelerra / canvas.h

diff --git a/cinelerra-5.1/cinelerra/canvas.h b/cinelerra-5.1/cinelerra/canvas.h
index 27336588f67f166125b6a13d64dc86056837da22..89a7eb8268e375b6686df39e319ef5e79f3c9cb7 100644 (file)
--- 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
 
@@ -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.