| 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. |
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| 8 | ** $QT_BEGIN_LICENSE:BSD$ |
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| 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 |
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| 35 | ** THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS |
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| 49 | ****************************************************************************/ |
| 50 | |
| 51 | #ifndef PATHDEFORM_H |
| 52 | #define PATHDEFORM_H |
| 53 | |
| 54 | #include "arthurwidgets.h" |
| 55 | |
| 56 | #include <QBasicTimer> |
| 57 | #include <QElapsedTimer> |
| 58 | #include <QPainterPath> |
| 59 | |
| 60 | class PathDeformRenderer : public ArthurFrame |
| 61 | { |
| 62 | Q_OBJECT |
| 63 | Q_PROPERTY(bool animated READ animated WRITE setAnimated) |
| 64 | Q_PROPERTY(int radius READ radius WRITE setRadius) |
| 65 | Q_PROPERTY(int fontSize READ fontSize WRITE setFontSize) |
| 66 | Q_PROPERTY(int intensity READ intensity WRITE setIntensity) |
| 67 | Q_PROPERTY(QString text READ text WRITE setText) |
| 68 | |
| 69 | public: |
| 70 | explicit PathDeformRenderer(QWidget *widget, bool smallScreen = false); |
| 71 | |
| 72 | void paint(QPainter *painter) override; |
| 73 | |
| 74 | void mousePressEvent(QMouseEvent *e) override; |
| 75 | void mouseReleaseEvent(QMouseEvent *e) override; |
| 76 | void mouseMoveEvent(QMouseEvent *e) override; |
| 77 | void timerEvent(QTimerEvent *e) override; |
| 78 | |
| 79 | QSize sizeHint() const override { return QSize(600, 500); } |
| 80 | |
| 81 | bool animated() const { return m_animated; } |
| 82 | int radius() const { return int(m_radius); } |
| 83 | int fontSize() const { return m_fontSize; } |
| 84 | int intensity() const { return int(m_intensity); } |
| 85 | QString text() const { return m_text; } |
| 86 | |
| 87 | public slots: |
| 88 | void setRadius(int radius); |
| 89 | void setFontSize(int fontSize) { m_fontSize = fontSize; setText(m_text); } |
| 90 | void setText(const QString &text); |
| 91 | void setIntensity(int intensity); |
| 92 | |
| 93 | void setAnimated(bool animated); |
| 94 | |
| 95 | signals: |
| 96 | void clicked(); |
| 97 | // void frameRate(double fps); |
| 98 | |
| 99 | private: |
| 100 | void generateLensPixmap(); |
| 101 | QPainterPath lensDeform(const QPainterPath &source, const QPointF &offset); |
| 102 | |
| 103 | QBasicTimer m_repaintTimer; |
| 104 | // QBasicTimer m_fpsTimer; |
| 105 | // int m_fpsCounter; |
| 106 | QElapsedTimer m_repaintTracker; |
| 107 | |
| 108 | QList<QPainterPath> m_paths; |
| 109 | QList<QPointF> m_advances; |
| 110 | QRectF m_pathBounds; |
| 111 | QString m_text; |
| 112 | |
| 113 | QPixmap m_lens_pixmap; |
| 114 | QImage m_lens_image; |
| 115 | |
| 116 | int m_fontSize; |
| 117 | bool m_animated; |
| 118 | |
| 119 | qreal m_intensity; |
| 120 | qreal m_radius; |
| 121 | QPointF m_pos; |
| 122 | QPointF m_offset; |
| 123 | QPointF m_direction; |
| 124 | QPointF m_mousePress; |
| 125 | bool m_mouseDrag; |
| 126 | bool m_smallScreen; |
| 127 | }; |
| 128 | |
| 129 | class PathDeformControls : public QWidget |
| 130 | { |
| 131 | Q_OBJECT |
| 132 | public: |
| 133 | PathDeformControls(QWidget *parent, PathDeformRenderer* renderer, bool smallScreen); |
| 134 | signals: |
| 135 | void okPressed(); |
| 136 | void quitPressed(); |
| 137 | private: |
| 138 | PathDeformRenderer *m_renderer; |
| 139 | void layoutForDesktop(); |
| 140 | void layoutForSmallScreen(); |
| 141 | }; |
| 142 | |
| 143 | class PathDeformWidget : public QWidget |
| 144 | { |
| 145 | Q_OBJECT |
| 146 | public: |
| 147 | PathDeformWidget(QWidget *parent, bool smallScreen); |
| 148 | void setStyle(QStyle *style); |
| 149 | |
| 150 | private: |
| 151 | PathDeformRenderer *m_renderer; |
| 152 | PathDeformControls *m_controls; |
| 153 | |
| 154 | private slots: |
| 155 | void showControls(); |
| 156 | void hideControls(); |
| 157 | }; |
| 158 | |
| 159 | #endif // PATHDEFORM_H |
| 160 | |