| 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 | 
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| 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. | 
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| 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 | 
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| 46 | ** | 
| 47 | ** $QT_END_LICENSE$ | 
| 48 | ** | 
| 49 | ****************************************************************************/ | 
| 50 |  | 
| 51 | #ifndef XFORM_H | 
| 52 | #define XFORM_H | 
| 53 |  | 
| 54 | #include "arthurwidgets.h" | 
| 55 |  | 
| 56 | #include <QBasicTimer> | 
| 57 | #include <QPolygonF> | 
| 58 |  | 
| 59 | class HoverPoints; | 
| 60 |  | 
| 61 | QT_BEGIN_NAMESPACE | 
| 62 | class QLineEdit; | 
| 63 | QT_END_NAMESPACE | 
| 64 |  | 
| 65 | class XFormView : public ArthurFrame | 
| 66 | { | 
| 67 | public: | 
| 68 |     Q_OBJECT | 
| 69 |  | 
| 70 |     Q_PROPERTY(XFormType type READ type WRITE setType) | 
| 71 |     Q_PROPERTY(bool animation READ animation WRITE setAnimation) | 
| 72 |     Q_PROPERTY(qreal shear READ shear WRITE setShear) | 
| 73 |     Q_PROPERTY(qreal rotation READ rotation WRITE setRotation) | 
| 74 |     Q_PROPERTY(qreal scale READ scale WRITE setScale) | 
| 75 |     Q_PROPERTY(QString text READ text WRITE setText) | 
| 76 |     Q_PROPERTY(QPixmap pixmap READ pixmap WRITE setPixmap) | 
| 77 |     Q_ENUMS(XFormType) | 
| 78 |  | 
| 79 | public: | 
| 80 |     enum XFormType { VectorType, PixmapType, TextType }; | 
| 81 |  | 
| 82 |     XFormView(QWidget *parent); | 
| 83 |     void paint(QPainter *) override; | 
| 84 |     void drawVectorType(QPainter *painter); | 
| 85 |     void drawPixmapType(QPainter *painter); | 
| 86 |     void drawTextType(QPainter *painter); | 
| 87 |     QSize sizeHint() const override { return QSize(500, 500); } | 
| 88 |  | 
| 89 |     void mousePressEvent(QMouseEvent *e) override; | 
| 90 |     void resizeEvent(QResizeEvent *e) override; | 
| 91 |     HoverPoints *hoverPoints() { return pts; } | 
| 92 |  | 
| 93 |     bool animation() const { return timer.isActive(); } | 
| 94 |     qreal shear() const { return m_shear; } | 
| 95 |     qreal scale() const { return m_scale; } | 
| 96 |     qreal rotation() const { return m_rotation; } | 
| 97 |     void setShear(qreal s); | 
| 98 |     void setScale(qreal s); | 
| 99 |     void setRotation(qreal r); | 
| 100 |  | 
| 101 |     XFormType type() const; | 
| 102 |     QPixmap pixmap() const; | 
| 103 |     QString text() const; | 
| 104 |  | 
| 105 | public slots: | 
| 106 |     void setAnimation(bool animate); | 
| 107 |     void updateCtrlPoints(const QPolygonF &); | 
| 108 |     void changeRotation(int rotation); | 
| 109 |     void changeScale(int scale); | 
| 110 |     void changeShear(int shear); | 
| 111 |  | 
| 112 |     void setText(const QString &); | 
| 113 |     void setPixmap(const QPixmap &); | 
| 114 |     void setType(XFormType t); | 
| 115 |  | 
| 116 |     void setVectorType(); | 
| 117 |     void setPixmapType(); | 
| 118 |     void setTextType(); | 
| 119 |     void reset(); | 
| 120 |  | 
| 121 | signals: | 
| 122 |     void rotationChanged(int rotation); | 
| 123 |     void scaleChanged(int scale); | 
| 124 |     void shearChanged(int shear); | 
| 125 |  | 
| 126 | protected: | 
| 127 |     void timerEvent(QTimerEvent *e) override; | 
| 128 | #if QT_CONFIG(wheelevent) | 
| 129 |     void wheelEvent(QWheelEvent *) override; | 
| 130 | #endif | 
| 131 |  | 
| 132 | private: | 
| 133 |     QPolygonF ctrlPoints; | 
| 134 |     HoverPoints *pts; | 
| 135 |     qreal m_rotation; | 
| 136 |     qreal m_scale; | 
| 137 |     qreal m_shear; | 
| 138 |     XFormType m_type; | 
| 139 |     QPixmap m_pixmap; | 
| 140 |     QString m_text; | 
| 141 |     QBasicTimer timer; | 
| 142 | }; | 
| 143 |  | 
| 144 | class XFormWidget : public QWidget | 
| 145 | { | 
| 146 |     Q_OBJECT | 
| 147 | public: | 
| 148 |     XFormWidget(QWidget *parent); | 
| 149 |  | 
| 150 | private: | 
| 151 |     XFormView *view; | 
| 152 |     QLineEdit *textEditor; | 
| 153 | }; | 
| 154 |  | 
| 155 | #endif // XFORM_H | 
| 156 |  |