1 files changed, 144 insertions, 0 deletions
diff --git a/src/utilities/imageeditor/canvas/undoaction.h b/src/utilities/imageeditor/canvas/undoaction.h
new file mode 100644
index 00000000..5f29486e
--- /dev/null
+++ b/src/utilities/imageeditor/canvas/undoaction.h
@@ -0,0 +1,144 @@
+/* ============================================================
+ *
+ * This file is a part of digiKam project
+ * http://www.digikam.org
+ *
+ * Date        : 2005-02-06
+ * Description : undo actions manager for image editor.
+ *
+ * Copyright (C) 2005 by Renchi Raju <[email protected]>
+ * Copyright (C) 2005 by Joern Ahrens <[email protected]>
+ *
+ * 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, 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.
+ *
+ * ============================================================ */
+
+#ifndef UNDOACTION_H
+#define UNDOACTION_H
+
+// KDE includes.
+
+#include <tdelocale.h>
+
+// Local includes.
+
+#include "digikam_export.h"
+
+namespace Digikam
+{
+
+class DImgInterface;
+
+class DIGIKAM_EXPORT UndoAction
+{
+
+public:
+
+    UndoAction(DImgInterface* iface);
+    virtual ~UndoAction();
+
+    virtual void rollBack() = 0;
+    virtual void execute()  = 0;
+
+    TQString getTitle() const;
+    
+protected:
+
+    DImgInterface *m_iface;
+    TQString        m_title;
+};
+
+class DIGIKAM_EXPORT UndoActionRotate : public UndoAction
+{
+
+public:
+
+    enum Angle
+    {
+        R90,
+        R180,
+        R270
+    };
+    
+    UndoActionRotate(DImgInterface* iface, Angle angle);
+    ~UndoActionRotate();
+
+    void rollBack();
+    void execute();
+
+private:
+
+    int m_angle;
+};
+
+class DIGIKAM_EXPORT UndoActionFlip : public UndoAction
+{
+
+public:
+
+    enum Direction
+    {
+       Horizontal,
+       Vertical
+    };
+    
+    UndoActionFlip(DImgInterface* iface, Direction dir);
+    ~UndoActionFlip();
+
+    void rollBack();
+    void execute();
+
+private:
+
+    int m_dir;
+};
+
+class DIGIKAM_EXPORT UndoActionBCG : public UndoAction
+{
+
+public:
+
+    UndoActionBCG(DImgInterface* iface,
+                  double oldGamma, double oldBrightness,
+                  double oldContrast, double newGamma,
+                  double newBrightness, double newContrast);
+    ~UndoActionBCG();
+
+    void rollBack();
+    void execute();    
+
+private:
+
+    double m_oldGamma;
+    double m_oldBrightness;
+    double m_oldContrast;
+    double m_newGamma;
+    double m_newBrightness;
+    double m_newContrast;
+};
+
+class DIGIKAM_EXPORT UndoActionIrreversible : public UndoAction
+{
+
+public:
+
+    UndoActionIrreversible(DImgInterface* iface,
+                           const TQString &caller=i18n("Unknown"));
+    ~UndoActionIrreversible();
+
+    void rollBack();
+    void execute();
+};
+
+}  // namespace Digikam
+
+#endif /* UNDOACTION_H */