1 files changed, 185 insertions, 0 deletions
diff --git a/src/utilities/imageeditor/canvas/undoaction.cpp b/src/utilities/imageeditor/canvas/undoaction.cpp
new file mode 100644
index 00000000..bb4ff756
--- /dev/null
+++ b/src/utilities/imageeditor/canvas/undoaction.cpp
@@ -0,0 +1,185 @@
+/* ============================================================
+ *
+ * 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 <renchi@pooh.tam.uiuc.edu>
+ * Copyright (C) 2005 by Joern Ahrens <joern.ahrens@kdemail.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, 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.
+ *
+ * ============================================================ */
+
+// Local includes.
+
+#include "ddebug.h"
+#include "dimginterface.h"
+#include "undoaction.h"
+
+namespace Digikam
+{
+
+UndoAction::UndoAction(DImgInterface* iface)
+    : m_iface(iface)
+{
+    m_title = i18n("unknown");
+}
+
+UndoAction::~UndoAction()
+{
+}
+
+TQString UndoAction::getTitle() const
+{
+    return m_title;
+}
+
+UndoActionRotate::UndoActionRotate(DImgInterface* iface,
+                                   UndoActionRotate::Angle angle)
+                : UndoAction(iface), m_angle(angle)
+{
+    switch(m_angle)
+    {
+        case(R90):
+            m_title = i18n("Rotate 90 Degrees");
+            break;
+        case(R180):
+            m_title = i18n("Rotate 180 Degrees");
+            break;
+        case(R270):
+            m_title = i18n("Rotate 270 Degrees");
+            break;
+    }
+}
+
+UndoActionRotate::~UndoActionRotate()
+{
+}
+
+void UndoActionRotate::rollBack()
+{
+    switch(m_angle)
+    {
+        case(R90):
+            m_iface->rotate270(false);
+            return;
+        case(R180):
+            m_iface->rotate180(false);
+            return;
+        case(R270):
+            m_iface->rotate90(false);
+            return;
+        default:
+            DWarning() << "Unknown rotate angle specified" << endl;
+    }
+}
+
+void UndoActionRotate::execute()
+{
+    switch(m_angle)
+    {
+        case R90:
+            m_iface->rotate90(false);
+            return;
+        case R180:
+            m_iface->rotate180(false);
+            return;
+        case R270:
+            m_iface->rotate270(false);
+            return;
+        default:
+            DWarning() << "Unknown rotate angle specified" << endl;
+    }
+}
+
+UndoActionFlip::UndoActionFlip(DImgInterface* iface,
+                               UndoActionFlip::Direction dir)
+              : UndoAction(iface), m_dir(dir)
+{
+    if(m_dir ==TQt::Horizontal)
+        m_title = i18n("Flip Horizontal");
+    else if(m_dir ==TQt::Vertical)
+        m_title = i18n("Flip Vertical");
+}
+
+UndoActionFlip::~UndoActionFlip()
+{
+}
+
+void UndoActionFlip::rollBack()
+{
+    switch(m_dir)
+    {
+        case TQt::Horizontal:
+            m_iface->flipHoriz(false);
+            return;
+        case TQt::Vertical:
+            m_iface->flipVert(false);
+            return;
+        default:
+            DWarning() << "Unknown flip direction specified" << endl;
+    }
+}
+
+void UndoActionFlip::execute()
+{
+    rollBack();
+}
+
+UndoActionBCG::UndoActionBCG(DImgInterface* iface,
+                             double oldGamma, double oldBrightness,
+                             double oldContrast, double newGamma,
+                             double newBrightness, double newContrast)
+             : UndoAction(iface), m_oldGamma(oldGamma), m_oldBrightness(oldBrightness),
+               m_oldContrast(oldContrast), m_newGamma(newGamma), m_newBrightness(newBrightness),
+               m_newContrast(newContrast)
+{
+    m_title = i18n("Brightness,Contrast,Gamma");
+}
+
+UndoActionBCG::~UndoActionBCG()
+{
+}
+
+void UndoActionBCG::rollBack()
+{
+    m_iface->changeBCG(m_oldGamma, m_oldBrightness, m_oldContrast);
+}
+
+void UndoActionBCG::execute()
+{
+    m_iface->changeBCG(m_newGamma, m_newBrightness, m_newContrast);
+}
+
+UndoActionIrreversible::UndoActionIrreversible(DImgInterface* iface,
+                                               const TQString &title)
+    : UndoAction(iface)
+{
+    m_title = title;
+}
+
+UndoActionIrreversible::~UndoActionIrreversible()
+{
+}
+
+void UndoActionIrreversible::rollBack()
+{
+}
+
+void UndoActionIrreversible::execute()
+{
+}
+
+}  // namespace Digikam