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diff --git a/cinelerra-5.1/cinelerra/resizetrackthread.h b/cinelerra-5.1/cinelerra/resizetrackthread.h
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+
+/*
+ * 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
+ * 
+ */
+
+#ifndef RESIZETRACKTHREAD_H
+#define RESIZETRACKTHREAD_h
+
+
+
+
+
+#include "asset.inc"
+#include "assetedit.inc"
+#include "guicast.h"
+#include "mutex.inc"
+#include "mwindow.inc"
+#include "thread.h"
+#include "track.inc"
+
+
+class ResizeVTrackWindow;
+
+class ResizeVTrackThread : public Thread
+{
+public:
+	ResizeVTrackThread(MWindow *mwindow);
+	~ResizeVTrackThread();
+
+	void start_window(int w, int h, int w1, int h1);
+	void run();
+	virtual void update() {}
+
+	ResizeVTrackWindow *window;
+	MWindow *mwindow;
+	int w, h;
+	int w1, h1;
+	double w_scale, h_scale;
+};
+
+
+
+class ResizeVTrackWindow;
+
+
+class ResizeVTrackWidth : public BC_TextBox
+{
+public:
+	ResizeVTrackWidth(ResizeVTrackWindow *gui, 
+		ResizeVTrackThread *thread,
+		int x,
+		int y);
+	int handle_event();
+	ResizeVTrackWindow *gui;
+	ResizeVTrackThread *thread;
+};
+
+class ResizeVTrackSwap : public BC_Button
+{
+public:
+	ResizeVTrackSwap(ResizeVTrackWindow *gui, 
+		ResizeVTrackThread *thread, 
+		int x, 
+		int y);
+	int handle_event();
+	ResizeVTrackWindow *gui;
+	ResizeVTrackThread *thread;
+};
+
+class ResizeVTrackHeight : public BC_TextBox
+{
+public:
+	ResizeVTrackHeight(ResizeVTrackWindow *gui, 
+		ResizeVTrackThread *thread,
+		int x,
+		int y);
+	int handle_event();
+	ResizeVTrackWindow *gui;
+	ResizeVTrackThread *thread;
+};
+
+
+class ResizeVTrackScaleW : public BC_TextBox
+{
+public:
+	ResizeVTrackScaleW(ResizeVTrackWindow *gui, 
+		ResizeVTrackThread *thread,
+		int x,
+		int y);
+	int handle_event();
+	ResizeVTrackWindow *gui;
+	ResizeVTrackThread *thread;
+};
+
+class ResizeVTrackScaleH : public BC_TextBox
+{
+public:
+	ResizeVTrackScaleH(ResizeVTrackWindow *gui, 
+		ResizeVTrackThread *thread,
+		int x,
+		int y);
+	int handle_event();
+	ResizeVTrackWindow *gui;
+	ResizeVTrackThread *thread;
+};
+
+
+class ResizeVTrackWindow : public BC_Window
+{
+public:
+	ResizeVTrackWindow(MWindow *mwindow, 
+		ResizeVTrackThread *thread,
+		int x,
+		int y);
+	~ResizeVTrackWindow();
+	
+	void create_objects();
+	void update(int changed_scale, 
+		int changed_size, 
+		int changed_all);
+	
+	MWindow *mwindow;
+	ResizeVTrackThread *thread;
+	ResizeVTrackWidth *w;
+	ResizeVTrackHeight *h;
+	ResizeVTrackScaleW *w_scale;
+	ResizeVTrackScaleH *h_scale;
+};
+
+
+class ResizeTrackThread : public ResizeVTrackThread
+{
+public:
+	ResizeTrackThread(MWindow *mwindow);
+	~ResizeTrackThread();
+
+	void start_window(Track *track);
+	void update();
+
+	Track *track;
+};
+
+class ResizeAssetThread : public ResizeVTrackThread
+{
+public:
+	ResizeAssetThread(AssetEditWindow *fwindow);
+	~ResizeAssetThread();
+
+	void start_window(Asset *asset);
+	void update();
+
+	AssetEditWindow *fwindow;
+	Asset *asset;
+};
+
+class ResizeAssetButton : public BC_GenericButton
+{
+public:
+	ResizeAssetButton(AssetEditWindow *fwindow, int x, int y);
+	~ResizeAssetButton();
+
+	int handle_event();
+
+	ResizeAssetThread *resize_asset_thread;
+	AssetEditWindow *fwindow;
+};
+
+#endif