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Diffstat (limited to 'demos/affine/xform.h')
-rw-r--r-- | demos/affine/xform.h | 141 |
1 files changed, 141 insertions, 0 deletions
diff --git a/demos/affine/xform.h b/demos/affine/xform.h new file mode 100644 index 0000000..f33e63d --- /dev/null +++ b/demos/affine/xform.h @@ -0,0 +1,141 @@ +/**************************************************************************** +** +** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies). +** Contact: Qt Software Information (qt-info@nokia.com) +** +** This file is part of the demonstration applications of the Qt Toolkit. +** +** $QT_BEGIN_LICENSE:LGPL$ +** No Commercial Usage +** This file contains pre-release code and may not be distributed. +** You may use this file in accordance with the terms and conditions +** contained in the either Technology Preview License Agreement or the +** Beta Release License Agreement. +** +** GNU Lesser General Public License Usage +** Alternatively, this file may be used under the terms of the GNU Lesser +** General Public License version 2.1 as published by the Free Software +** Foundation and appearing in the file LICENSE.LGPL included in the +** packaging of this file. Please review the following information to +** ensure the GNU Lesser General Public License version 2.1 requirements +** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html. +** +** In addition, as a special exception, Nokia gives you certain +** additional rights. These rights are described in the Nokia Qt LGPL +** Exception version 1.0, included in the file LGPL_EXCEPTION.txt in this +** package. +** +** GNU General Public License Usage +** Alternatively, this file may be used under the terms of the GNU +** General Public License version 3.0 as published by the Free Software +** Foundation and appearing in the file LICENSE.GPL included in the +** packaging of this file. Please review the following information to +** ensure the GNU General Public License version 3.0 requirements will be +** met: http://www.gnu.org/copyleft/gpl.html. +** +** If you are unsure which license is appropriate for your use, please +** contact the sales department at qt-sales@nokia.com. +** $QT_END_LICENSE$ +** +****************************************************************************/ + +#ifndef XFORM_H +#define XFORM_H + +#include "arthurwidgets.h" + +#include <QBasicTimer> +#include <QPolygonF> + +class HoverPoints; +QT_FORWARD_DECLARE_CLASS(QLineEdit) + +class XFormView : public ArthurFrame +{ +public: + Q_OBJECT + + Q_PROPERTY(XFormType type READ type WRITE setType) + Q_PROPERTY(bool animation READ animation WRITE setAnimation) + Q_PROPERTY(qreal shear READ shear WRITE setShear) + Q_PROPERTY(qreal rotation READ rotation WRITE setRotation) + Q_PROPERTY(qreal scale READ scale WRITE setScale) + Q_PROPERTY(QString text READ text WRITE setText) + Q_PROPERTY(QPixmap pixmap READ pixmap WRITE setPixmap) + Q_ENUMS(XFormType) + +public: + enum XFormType { VectorType, PixmapType, TextType }; + + XFormView(QWidget *parent); + void paint(QPainter *); + void drawVectorType(QPainter *painter); + void drawPixmapType(QPainter *painter); + void drawTextType(QPainter *painter); + QSize sizeHint() const { return QSize(500, 500); } + + void mousePressEvent(QMouseEvent *e); + void resizeEvent(QResizeEvent *e); + HoverPoints *hoverPoints() { return pts; } + + bool animation() const { return timer.isActive(); } + qreal shear() const { return m_shear; } + qreal scale() const { return m_scale; } + qreal rotation() const { return m_rotation; } + void setShear(qreal s); + void setScale(qreal s); + void setRotation(qreal r); + + XFormType type() const; + QPixmap pixmap() const; + QString text() const; + +public slots: + void setAnimation(bool animate); + void updateCtrlPoints(const QPolygonF &); + void changeRotation(int rotation); + void changeScale(int scale); + void changeShear(int shear); + + void setText(const QString &); + void setPixmap(const QPixmap &); + void setType(XFormType t); + + void setVectorType(); + void setPixmapType(); + void setTextType(); + void reset(); + +signals: + void rotationChanged(int rotation); + void scaleChanged(int scale); + void shearChanged(int shear); + +protected: + void timerEvent(QTimerEvent *e); + void wheelEvent(QWheelEvent *); + +private: + QPolygonF ctrlPoints; + HoverPoints *pts; + qreal m_rotation; + qreal m_scale; + qreal m_shear; + XFormType m_type; + QPixmap m_pixmap; + QString m_text; + QBasicTimer timer; +}; + +class XFormWidget : public QWidget +{ + Q_OBJECT +public: + XFormWidget(QWidget *parent); + +private: + XFormView *view; + QLineEdit *textEditor; +}; + +#endif // XFORM_H |