X-Git-Url: https://git.cinelerra-gg.org/git/?a=blobdiff_plain;f=cinelerra-5.1%2Fcinelerra%2Fcanvas.h;h=775df7d016c0bfd4455d933deb20aecbc92cce63;hb=c053918502e6ec08433a0650ce37af35431f15b7;hp=1b1adb1d61f1a763d472b69438a440451e3d83a5;hpb=e8453fdab4d5ed7b384279a5b37c92010ac13295;p=goodguy%2Fcinelerra.git

diff --git a/cinelerra-5.1/cinelerra/canvas.h b/cinelerra-5.1/cinelerra/canvas.h
index 1b1adb1d..775df7d0 100644
--- a/cinelerra-5.1/cinelerra/canvas.h
+++ b/cinelerra-5.1/cinelerra/canvas.h
@@ -44,11 +44,9 @@ public:
 	void calculate_sizes(float aspect_ratio,
 		int output_w, int output_h, float zoom,
 		int &w, int &h);
-// Lock access to the canvas pointer.
-// Must be called before get_canvas or locking the canvas.
-	void lock_canvas(const char *location);
+// Lock canvas pointer and window
+	BC_WindowBase *lock_canvas(const char *loc);
 	void unlock_canvas();
-	int is_locked();
 
 	void create_objects(EDL *edl);
 	void set_cursor(int cursor);
@@ -134,7 +132,7 @@ 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);
+	virtual void clear(int flash=1);
 
 // Get top left offset of canvas relative to output.
 // Normally negative.  Can be positive if output is smaller than canvas.
@@ -173,6 +171,9 @@ public:
 	int get_buttonpress();
 // Gets whatever video surface is enabled
 	BC_WindowBase* get_canvas();
+// draw_refresh, with/without locks
+	int refresh(int flush);
+	int redraw(int flush);
 
 // The owner of the canvas
 	BC_WindowBase *subwindow;
@@ -215,7 +216,8 @@ public:
 private:
 	void get_scrollbars(EDL *edl,
 		int &canvas_x, int &canvas_y, int &canvas_w, int &canvas_h);
-	Mutex *canvas_lock;
+// Lock access to the canvas pointer.
+	Condition *canvas_lock;
 };