| 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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| 12 | ** Software or, alternatively, in accordance with the terms contained in |
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| 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 |
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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 |
| 37 | ** LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR |
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| 45 | ** OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE." |
| 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 | |