qgraphicstransform.h 4.5 KB

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  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 QtWidgets module of the Qt Toolkit.
  7. **
  8. ** $QT_BEGIN_LICENSE:LGPL$
  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. ** GNU Lesser General Public License Usage
  18. ** Alternatively, this file may be used under the terms of the GNU Lesser
  19. ** General Public License version 3 as published by the Free Software
  20. ** Foundation and appearing in the file LICENSE.LGPL3 included in the
  21. ** packaging of this file. Please review the following information to
  22. ** ensure the GNU Lesser General Public License version 3 requirements
  23. ** will be met: https://www.gnu.org/licenses/lgpl-3.0.html.
  24. **
  25. ** GNU General Public License Usage
  26. ** Alternatively, this file may be used under the terms of the GNU
  27. ** General Public License version 2.0 or (at your option) the GNU General
  28. ** Public license version 3 or any later version approved by the KDE Free
  29. ** Qt Foundation. The licenses are as published by the Free Software
  30. ** Foundation and appearing in the file LICENSE.GPL2 and LICENSE.GPL3
  31. ** included in the packaging of this file. Please review the following
  32. ** information to ensure the GNU General Public License requirements will
  33. ** be met: https://www.gnu.org/licenses/gpl-2.0.html and
  34. ** https://www.gnu.org/licenses/gpl-3.0.html.
  35. **
  36. ** $QT_END_LICENSE$
  37. **
  38. ****************************************************************************/
  39. #ifndef QGRAPHICSTRANSFORM_H
  40. #define QGRAPHICSTRANSFORM_H
  41. #include <QtCore/QObject>
  42. #include <QtGui/QVector3D>
  43. #include <QtGui/QTransform>
  44. #include <QtGui/QMatrix4x4>
  45. #ifndef QT_NO_GRAPHICSVIEW
  46. QT_BEGIN_NAMESPACE
  47. class QGraphicsItem;
  48. class QGraphicsTransformPrivate;
  49. class Q_WIDGETS_EXPORT QGraphicsTransform : public QObject
  50. {
  51. Q_OBJECT
  52. public:
  53. QGraphicsTransform(QObject *parent = Q_NULLPTR);
  54. ~QGraphicsTransform();
  55. virtual void applyTo(QMatrix4x4 *matrix) const = 0;
  56. protected Q_SLOTS:
  57. void update();
  58. protected:
  59. QGraphicsTransform(QGraphicsTransformPrivate &p, QObject *parent);
  60. private:
  61. friend class QGraphicsItem;
  62. friend class QGraphicsItemPrivate;
  63. Q_DECLARE_PRIVATE(QGraphicsTransform)
  64. };
  65. class QGraphicsScalePrivate;
  66. class Q_WIDGETS_EXPORT QGraphicsScale : public QGraphicsTransform
  67. {
  68. Q_OBJECT
  69. Q_PROPERTY(QVector3D origin READ origin WRITE setOrigin NOTIFY originChanged)
  70. Q_PROPERTY(qreal xScale READ xScale WRITE setXScale NOTIFY xScaleChanged)
  71. Q_PROPERTY(qreal yScale READ yScale WRITE setYScale NOTIFY yScaleChanged)
  72. Q_PROPERTY(qreal zScale READ zScale WRITE setZScale NOTIFY zScaleChanged)
  73. public:
  74. QGraphicsScale(QObject *parent = Q_NULLPTR);
  75. ~QGraphicsScale();
  76. QVector3D origin() const;
  77. void setOrigin(const QVector3D &point);
  78. qreal xScale() const;
  79. void setXScale(qreal);
  80. qreal yScale() const;
  81. void setYScale(qreal);
  82. qreal zScale() const;
  83. void setZScale(qreal);
  84. void applyTo(QMatrix4x4 *matrix) const Q_DECL_OVERRIDE;
  85. Q_SIGNALS:
  86. void originChanged();
  87. void xScaleChanged();
  88. void yScaleChanged();
  89. void zScaleChanged();
  90. void scaleChanged();
  91. private:
  92. Q_DECLARE_PRIVATE(QGraphicsScale)
  93. };
  94. class QGraphicsRotationPrivate;
  95. class Q_WIDGETS_EXPORT QGraphicsRotation : public QGraphicsTransform
  96. {
  97. Q_OBJECT
  98. Q_PROPERTY(QVector3D origin READ origin WRITE setOrigin NOTIFY originChanged)
  99. Q_PROPERTY(qreal angle READ angle WRITE setAngle NOTIFY angleChanged)
  100. Q_PROPERTY(QVector3D axis READ axis WRITE setAxis NOTIFY axisChanged)
  101. public:
  102. QGraphicsRotation(QObject *parent = Q_NULLPTR);
  103. ~QGraphicsRotation();
  104. QVector3D origin() const;
  105. void setOrigin(const QVector3D &point);
  106. qreal angle() const;
  107. void setAngle(qreal);
  108. QVector3D axis() const;
  109. void setAxis(const QVector3D &axis);
  110. void setAxis(Qt::Axis axis);
  111. void applyTo(QMatrix4x4 *matrix) const Q_DECL_OVERRIDE;
  112. Q_SIGNALS:
  113. void originChanged();
  114. void angleChanged();
  115. void axisChanged();
  116. private:
  117. Q_DECLARE_PRIVATE(QGraphicsRotation)
  118. };
  119. QT_END_NAMESPACE
  120. #endif //QT_NO_GRAPHICSVIEW
  121. #endif // QFXTRANSFORM_H