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actions/rs_actionzoomin.h

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+/****************************************************************************
+**
+** This file is part of the LibreCAD project, a 2D CAD program
+**
+** Copyright (C) 2010 R. van Twisk (librecad@rvt.dds.nl)
+** Copyright (C) 2001-2003 RibbonSoft. All rights reserved.
+**
+**
+** This file may be distributed and/or modified under the terms of the
+** GNU General Public License version 2 as published by the Free Software 
+** Foundation and appearing in the file gpl-2.0.txt included in the
+** packaging of this file.
+**
+** 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., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA
+**
+** This copyright notice MUST APPEAR in all copies of the script!  
+**
+**********************************************************************/
+
+#ifndef RS_ACTIONZOOMIN_H
+#define RS_ACTIONZOOMIN_H
+
+#include "rs_actioninterface.h"
+
+/**
+ * This action triggers zoom increase.
+ *
+ * @author Andrew Mustun
+ */
+class RS_ActionZoomIn : public RS_ActionInterface {
+	Q_OBJECT
+public:
+    RS_ActionZoomIn(RS_EntityContainer& container,
+					RS_GraphicView& graphicView,
+                    RS2::ZoomDirection direction = RS2::In,
+					RS2::Axis axis = RS2::Both,
+					RS_Vector const* pCenter = nullptr,
+					double factor = 1.25);
+	~RS_ActionZoomIn() override;
+
+	void init(int status=0) override;
+	void trigger() override;
+
+protected:
+    double zoom_factor;
+    RS2::ZoomDirection direction;
+    RS2::Axis axis;
+	std::unique_ptr<RS_Vector> center;
+};
+
+#endif