Merge CV, ver=5.1; ops/methods from HV, and interface from CV where possible

[goodguy/history.git] / cinelerra-5.1 / cinelerra / canvastools.C

diff --git a/cinelerra-5.1/cinelerra/canvastools.C b/cinelerra-5.1/cinelerra/canvastools.C
new file mode 100644 (file)
index 0000000..dd90288
--- /dev/null
+++ b/cinelerra-5.1/cinelerra/canvastools.C
@@ -0,0 +1,83 @@
+
+/*
+ * CINELERRA
+ * Copyright (C) 2008 Adam Williams <broadcast at earthling dot net>
+ * 
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ * 
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ * 
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
+ * 
+ */
+
+#include "canvastools.h"
+#include "mwindowgui.h"
+#include "trackcanvas.h"
+
+
+
+CanvasTool::CanvasTool(MWindow *mwindow, 
+               TrackCanvas *trackcanvas,
+               Edit *edit,
+               int x,
+               int y,
+               VFrame **data)
+ : BC_Button(x, y, data)
+{
+       this->mwindow = mwindow;
+       this->trackcanvas = trackcanvas;
+       this->edit = edit;
+       visible = 1;
+}
+
+CanvasTool::~CanvasTool()
+{
+}
+
+
+
+
+CanvasTools::CanvasTools(MWindow *mwindow,
+               TrackCanvas *trackcanvas)
+ : ArrayList<CanvasTool*>()
+{
+       this->mwindow = mwindow;
+       this->trackcanvas = trackcanvas;
+}
+
+CanvasTools::~CanvasTools()
+{
+       remove_all_objects();
+}
+
+void CanvasTools::decrease_visible()
+{
+       for(int i = 0; i < total; i++)
+               values[i]->visible--;
+}
+
+void CanvasTools::delete_invisible()
+{
+       for(int i = total - 1; i >= 0; i--)
+               if(values[i]->visible < 1)
+               {
+                       delete values[i];
+                       remove(values[i]);
+               }       
+}
+
+// Region is visible on track canvas
+int CanvasTools::visible(int x, int y, int w, int h)
+{
+       return MWindowGUI::visible(x, x + w, 0, trackcanvas->get_w()) &&
+               MWindowGUI::visible(y, y + h, 0, trackcanvas->get_h());
+}