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newspark110/lib/actions/rs_previewactioninterface.h
Chenwenxuan edac2715f0 init
2024-03-06 14:54:30 +08:00

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2.1 KiB
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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_PREVIEWACTIONINTERFACE_H
#define RS_PREVIEWACTIONINTERFACE_H
#include <memory>
#include "rs_actioninterface.h"
/**
* This is the interface that must be implemented for all
* action classes which need a preview.
*
* @author Andrew Mustun
*/
class RS_PreviewActionInterface : public RS_ActionInterface {
public:
RS_PreviewActionInterface(const char* name,
RS_EntityContainer& container,
RS_GraphicView& graphicView);
~RS_PreviewActionInterface() override;
void init(int status=0) override;
void finish(bool updateTB=true) override;
void suspend() override;
void resume() override;
void trigger() override;
void drawPreview();
void deletePreview();
private:
protected:
/**
* Preview that holds the entities to be previewed.
*/
std::unique_ptr<RS_Preview> preview;
bool hasPreview;//whether preview is in use
// /**
// * Current offset of the preview.
// */
// std::unique_ptr<RS_Vector> offset;
};
#endif