1 /**************************************************************************** 2 ** 3 ** Copyright (C) 2016 The Qt Company Ltd. 4 ** Contact: https://www.qt.io/licensing/ 5 ** 6 ** This file is part of the demonstration applications of the Qt Toolkit. 7 ** 8 ** $QT_BEGIN_LICENSE:BSD$ 9 ** Commercial License Usage 10 ** Licensees holding valid commercial Qt licenses may use this file in 11 ** accordance with the commercial license agreement provided with the 12 ** Software or, alternatively, in accordance with the terms contained in 13 ** a written agreement between you and The Qt Company. For licensing terms 14 ** and conditions see https://www.qt.io/terms-conditions. For further 15 ** information use the contact form at https://www.qt.io/contact-us. 16 ** 17 ** BSD License Usage 18 ** Alternatively, you may use this file under the terms of the BSD license 19 ** as follows: 20 ** 21 ** "Redistribution and use in source and binary forms, with or without 22 ** modification, are permitted provided that the following conditions are 23 ** met: 24 ** * Redistributions of source code must retain the above copyright 25 ** notice, this list of conditions and the following disclaimer. 26 ** * Redistributions in binary form must reproduce the above copyright 27 ** notice, this list of conditions and the following disclaimer in 28 ** the documentation and/or other materials provided with the 29 ** distribution. 30 ** * Neither the name of The Qt Company Ltd nor the names of its 31 ** contributors may be used to endorse or promote products derived 32 ** from this software without specific prior written permission. 33 ** 34 ** 35 ** THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 36 ** "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 37 ** LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR 38 ** A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT 39 ** OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 40 ** SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT 41 ** LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 42 ** DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 43 ** THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 44 ** (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 45 ** OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE." 46 ** 47 ** $QT_END_LICENSE$ 48 ** 49 ****************************************************************************/ 50 51 #ifndef QTBOX_H 52 #define QTBOX_H 53 54 #include "glbuffers.h" 55 56 #include <QtWidgets> 57 #include <QVector3D> 58 59 class ItemBase : public QGraphicsItem 60 { 61 public: 62 enum { Type = UserType + 1 }; 63 64 ItemBase(int size, int x, int y); 65 QRectF boundingRect() const override; 66 void paint(QPainter *painter, const QStyleOptionGraphicsItem *option, QWidget *widget) override; 67 protected: 68 virtual ItemBase *createNew(int size, int x, int y) = 0; 69 void contextMenuEvent(QGraphicsSceneContextMenuEvent *event) override; 70 void mouseMoveEvent(QGraphicsSceneMouseEvent *event) override; 71 void hoverMoveEvent(QGraphicsSceneHoverEvent *event) override; 72 void mousePressEvent(QGraphicsSceneMouseEvent *event) override; 73 void mouseReleaseEvent(QGraphicsSceneMouseEvent *event) override; 74 void keyPressEvent(QKeyEvent *event) override; 75 void wheelEvent(QGraphicsSceneWheelEvent *event) override; 76 int type() const override; 77 bool isInResizeArea(const QPointF &pos); 78 79 static void duplicateSelectedItems(QGraphicsScene *scene); 80 static void deleteSelectedItems(QGraphicsScene *scene); 81 static void growSelectedItems(QGraphicsScene *scene); 82 static void shrinkSelectedItems(QGraphicsScene *scene); 83 84 int m_size; 85 QTime m_startTime; 86 bool m_isResizing = false; 87 }; 88 89 class QtBox : public ItemBase 90 { 91 public: 92 QtBox(int size, int x, int y); 93 virtual ~QtBox(); 94 void paint(QPainter *painter, const QStyleOptionGraphicsItem *option, QWidget *widget) override; 95 protected: 96 ItemBase *createNew(int size, int x, int y) override; 97 private: 98 QVector3D m_vertices[8]; 99 QVector3D m_texCoords[4]; 100 QVector3D m_normals[6]; 101 GLTexture *m_texture = nullptr; 102 }; 103 104 class CircleItem : public ItemBase 105 { 106 public: 107 CircleItem(int size, int x, int y); 108 void paint(QPainter *painter, const QStyleOptionGraphicsItem *option, QWidget *widget) override; 109 protected: 110 ItemBase *createNew(int size, int x, int y) override; 111 112 QColor m_color; 113 }; 114 115 class SquareItem : public ItemBase 116 { 117 public: 118 SquareItem(int size, int x, int y); 119 void paint(QPainter *painter, const QStyleOptionGraphicsItem *option, QWidget *widget) override; 120 protected: 121 ItemBase *createNew(int size, int x, int y) override; 122 123 QPixmap m_image; 124 }; 125 126 #endif 127