File indexing completed on 2024-05-12 05:40:46
0001 /*************************************************************************** 0002 * Copyright (C) 2022 by Renaud Guezennec * 0003 * http://www.rolisteam.org/contact * 0004 * * 0005 * This software is free software; you can redistribute it and/or modify * 0006 * it under the terms of the GNU General Public License as published by * 0007 * the Free Software Foundation; either version 2 of the License, or * 0008 * (at your option) any later version. * 0009 * * 0010 * This program is distributed in the hope that it will be useful, * 0011 * but WITHOUT ANY WARRANTY; without even the implied warranty of * 0012 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * 0013 * GNU General Public License for more details. * 0014 * * 0015 * You should have received a copy of the GNU General Public License * 0016 * along with this program; if not, write to the * 0017 * Free Software Foundation, Inc., * 0018 * 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. * 0019 ***************************************************************************/ 0020 #ifndef MAPPINGHELPER_H 0021 #define MAPPINGHELPER_H 0022 0023 #include "utils/utils_global.h" 0024 #include <QObject> 0025 #include <QRectF> 0026 #include <QSizeF> 0027 0028 namespace utils 0029 { 0030 class UTILS_EXPORT MappingHelper : public QObject 0031 { 0032 Q_OBJECT 0033 public: 0034 explicit MappingHelper(QObject* parent= nullptr); 0035 0036 /// 0037 /// \brief mapSizeTo compute a size that fits into maxSize but have the ratio of currentSize. 0038 /// \param maxSize 0039 /// \param currentSize 0040 /// 0041 Q_INVOKABLE QSizeF mapSizeTo(const QSizeF& maxSize, const QSizeF& currentSize); 0042 Q_INVOKABLE QRectF maxRect(const QRectF& parentRect, const QRectF& childrenRect); 0043 0044 Q_INVOKABLE QRectF mapRectInto(const QRectF& maxRect, const QRectF& viewRect, const QRectF& imageRect); 0045 }; 0046 } // namespace utils 0047 #endif // MAPPINGHELPER_H