diff options
Diffstat (limited to 'examples/animation/easing')
| -rw-r--r-- | examples/animation/easing/animation.h | 101 | ||||
| -rw-r--r-- | examples/animation/easing/easing.pro | 14 | ||||
| -rw-r--r-- | examples/animation/easing/easing.qrc | 5 | ||||
| -rw-r--r-- | examples/animation/easing/form.ui | 201 | ||||
| -rw-r--r-- | examples/animation/easing/images/qt-logo.png | bin | 0 -> 5149 bytes | |||
| -rw-r--r-- | examples/animation/easing/main.cpp | 53 | ||||
| -rw-r--r-- | examples/animation/easing/window.cpp | 177 | ||||
| -rw-r--r-- | examples/animation/easing/window.h | 79 |
8 files changed, 630 insertions, 0 deletions
diff --git a/examples/animation/easing/animation.h b/examples/animation/easing/animation.h new file mode 100644 index 0000000000..d4d699d717 --- /dev/null +++ b/examples/animation/easing/animation.h @@ -0,0 +1,101 @@ +/**************************************************************************** +** +** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies). +** Contact: Qt Software Information (qt-info@nokia.com) +** +** This file is part of the QtCore module 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 ANIMATION_H +#define ANIMATION_H + +#include <QtGui> + +#include <QtCore/qpropertyanimation.h> + +class Animation : public QPropertyAnimation { +public: + enum PathType { + LinearPath, + CirclePath, + NPathTypes + }; + Animation(QObject *target, const QByteArray &prop) + : QPropertyAnimation(target, prop) + { + setPathType(LinearPath); + } + + void setPathType(PathType pathType) + { + if (pathType >= NPathTypes) + qWarning("Unknown pathType %d", pathType); + + m_pathType = pathType; + m_path = QPainterPath(); + } + + void updateCurrentTime(int msecs) + { + if (m_pathType == CirclePath) { + if (m_path.isEmpty()) { + QPointF to = endValue().toPointF(); + QPointF from = startValue().toPointF(); + m_path.moveTo(from); + m_path.addEllipse(QRectF(from, to)); + } + int dura = duration(); + const qreal progress = ((dura == 0) ? 1 : ((((currentTime() - 1) % dura) + 1) / qreal(dura))); + + qreal easedProgress = easingCurve().valueForProgress(progress); + if (easedProgress > 1.0) { + easedProgress -= 1.0; + } else if (easedProgress < 0) { + easedProgress += 1.0; + } + QPointF pt = m_path.pointAtPercent(easedProgress); + updateCurrentValue(pt); + emit valueChanged(pt); + } else { + QPropertyAnimation::updateCurrentTime(msecs); + } + } + + QPainterPath m_path; + PathType m_pathType; +}; + +#endif // ANIMATION_H diff --git a/examples/animation/easing/easing.pro b/examples/animation/easing/easing.pro new file mode 100644 index 0000000000..8e8a35f75b --- /dev/null +++ b/examples/animation/easing/easing.pro @@ -0,0 +1,14 @@ +HEADERS = window.h \ + animation.h +SOURCES = main.cpp \ + window.cpp + +FORMS = form.ui + +RESOURCES = easing.qrc + +# install +target.path = $$[QT_INSTALL_EXAMPLES]/animation/easing +sources.files = $$SOURCES $$HEADERS $$RESOURCES $$FORMS easing.pro images +sources.path = $$[QT_INSTALL_EXAMPLES]/animation/easing +INSTALLS += target sources diff --git a/examples/animation/easing/easing.qrc b/examples/animation/easing/easing.qrc new file mode 100644 index 0000000000..7e112d3a9d --- /dev/null +++ b/examples/animation/easing/easing.qrc @@ -0,0 +1,5 @@ +<!DOCTYPE RCC><RCC version="1.0"> + <qresource> + <file>images/qt-logo.png</file> + </qresource> + </RCC>
\ No newline at end of file diff --git a/examples/animation/easing/form.ui b/examples/animation/easing/form.ui new file mode 100644 index 0000000000..b60ade86a4 --- /dev/null +++ b/examples/animation/easing/form.ui @@ -0,0 +1,201 @@ +<?xml version="1.0" encoding="UTF-8"?> +<ui version="4.0"> + <class>Form</class> + <widget class="QWidget" name="Form"> + <property name="geometry"> + <rect> + <x>0</x> + <y>0</y> + <width>545</width> + <height>471</height> + </rect> + </property> + <property name="windowTitle"> + <string>Easing curves</string> + </property> + <layout class="QGridLayout" name="gridLayout"> + <item row="0" column="0" colspan="2"> + <widget class="QListWidget" name="easingCurvePicker"> + <property name="sizePolicy"> + <sizepolicy hsizetype="Expanding" vsizetype="Preferred"> + <horstretch>0</horstretch> + <verstretch>0</verstretch> + </sizepolicy> + </property> + <property name="maximumSize"> + <size> + <width>16777215</width> + <height>120</height> + </size> + </property> + <property name="verticalScrollBarPolicy"> + <enum>Qt::ScrollBarAlwaysOff</enum> + </property> + <property name="movement"> + <enum>QListView::Static</enum> + </property> + <property name="isWrapping" stdset="0"> + <bool>false</bool> + </property> + <property name="viewMode"> + <enum>QListView::IconMode</enum> + </property> + <property name="selectionRectVisible"> + <bool>false</bool> + </property> + </widget> + </item> + <item row="1" column="0"> + <layout class="QVBoxLayout" name="verticalLayout"> + <item> + <widget class="QGroupBox" name="groupBox_2"> + <property name="title"> + <string>Path type</string> + </property> + <layout class="QVBoxLayout" name="verticalLayout_2"> + <item> + <widget class="QRadioButton" name="lineRadio"> + <property name="text"> + <string>Line</string> + </property> + <property name="checked"> + <bool>true</bool> + </property> + <attribute name="buttonGroup"> + <string>buttonGroup</string> + </attribute> + </widget> + </item> + <item> + <widget class="QRadioButton" name="circleRadio"> + <property name="text"> + <string>Circle</string> + </property> + <attribute name="buttonGroup"> + <string>buttonGroup</string> + </attribute> + </widget> + </item> + </layout> + </widget> + </item> + <item> + <widget class="QGroupBox" name="groupBox"> + <property name="sizePolicy"> + <sizepolicy hsizetype="Fixed" vsizetype="Preferred"> + <horstretch>0</horstretch> + <verstretch>0</verstretch> + </sizepolicy> + </property> + <property name="title"> + <string>Properties</string> + </property> + <layout class="QFormLayout" name="formLayout"> + <property name="fieldGrowthPolicy"> + <enum>QFormLayout::AllNonFixedFieldsGrow</enum> + </property> + <item row="0" column="0"> + <widget class="QLabel" name="label"> + <property name="text"> + <string>Period</string> + </property> + </widget> + </item> + <item row="0" column="1"> + <widget class="QDoubleSpinBox" name="periodSpinBox"> + <property name="enabled"> + <bool>false</bool> + </property> + <property name="minimum"> + <double>-1.000000000000000</double> + </property> + <property name="singleStep"> + <double>0.100000000000000</double> + </property> + <property name="value"> + <double>-1.000000000000000</double> + </property> + </widget> + </item> + <item row="1" column="0"> + <widget class="QLabel" name="label_2"> + <property name="text"> + <string>Amplitude</string> + </property> + </widget> + </item> + <item row="1" column="1"> + <widget class="QDoubleSpinBox" name="amplitudeSpinBox"> + <property name="enabled"> + <bool>false</bool> + </property> + <property name="minimum"> + <double>-1.000000000000000</double> + </property> + <property name="singleStep"> + <double>0.100000000000000</double> + </property> + <property name="value"> + <double>-1.000000000000000</double> + </property> + </widget> + </item> + <item row="2" column="0"> + <widget class="QLabel" name="label_3"> + <property name="text"> + <string>Overshoot</string> + </property> + </widget> + </item> + <item row="2" column="1"> + <widget class="QDoubleSpinBox" name="overshootSpinBox"> + <property name="enabled"> + <bool>false</bool> + </property> + <property name="minimum"> + <double>-1.000000000000000</double> + </property> + <property name="singleStep"> + <double>0.100000000000000</double> + </property> + <property name="value"> + <double>-1.000000000000000</double> + </property> + </widget> + </item> + </layout> + </widget> + </item> + <item> + <spacer name="verticalSpacer"> + <property name="orientation"> + <enum>Qt::Vertical</enum> + </property> + <property name="sizeHint" stdset="0"> + <size> + <width>20</width> + <height>40</height> + </size> + </property> + </spacer> + </item> + </layout> + </item> + <item row="1" column="1"> + <widget class="QGraphicsView" name="graphicsView"> + <property name="sizePolicy"> + <sizepolicy hsizetype="Expanding" vsizetype="Expanding"> + <horstretch>0</horstretch> + <verstretch>0</verstretch> + </sizepolicy> + </property> + </widget> + </item> + </layout> + </widget> + <resources/> + <connections/> + <buttongroups> + <buttongroup name="buttonGroup"/> + </buttongroups> +</ui> diff --git a/examples/animation/easing/images/qt-logo.png b/examples/animation/easing/images/qt-logo.png Binary files differnew file mode 100644 index 0000000000..14ddf2a028 --- /dev/null +++ b/examples/animation/easing/images/qt-logo.png diff --git a/examples/animation/easing/main.cpp b/examples/animation/easing/main.cpp new file mode 100644 index 0000000000..bd10df28c5 --- /dev/null +++ b/examples/animation/easing/main.cpp @@ -0,0 +1,53 @@ +/**************************************************************************** +** +** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies). +** Contact: Qt Software Information (qt-info@nokia.com) +** +** This file is part of the QtCore module 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. +** $QT_END_LICENSE$ +** +****************************************************************************/ + +#include <QtGui> +#include "window.h" + +int main(int argc, char **argv) +{ + Q_INIT_RESOURCE(easing); + QApplication app(argc, argv); + Window w; + w.resize(400, 400); + w.show(); + return app.exec(); +} diff --git a/examples/animation/easing/window.cpp b/examples/animation/easing/window.cpp new file mode 100644 index 0000000000..3e44873cf8 --- /dev/null +++ b/examples/animation/easing/window.cpp @@ -0,0 +1,177 @@ +/**************************************************************************** +** +** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies). +** Contact: Qt Software Information (qt-info@nokia.com) +** +** This file is part of the QtCore module 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. +** $QT_END_LICENSE$ +** +****************************************************************************/ + +#include "window.h" + +Window::Window(QWidget *parent) + : QWidget(parent), m_iconSize(64, 64) +{ + m_ui.setupUi(this); + QButtonGroup *buttonGroup = qFindChild<QButtonGroup *>(this); // ### workaround for uic in 4.4 + m_ui.easingCurvePicker->setIconSize(m_iconSize); + m_ui.easingCurvePicker->setMinimumHeight(m_iconSize.height() + 50); + buttonGroup->setId(m_ui.lineRadio, 0); + buttonGroup->setId(m_ui.circleRadio, 1); + + QEasingCurve dummy; + m_ui.periodSpinBox->setValue(dummy.period()); + m_ui.amplitudeSpinBox->setValue(dummy.amplitude()); + m_ui.overshootSpinBox->setValue(dummy.overshoot()); + + connect(m_ui.easingCurvePicker, SIGNAL(currentRowChanged(int)), this, SLOT(curveChanged(int))); + connect(buttonGroup, SIGNAL(buttonClicked(int)), this, SLOT(pathChanged(int))); + connect(m_ui.periodSpinBox, SIGNAL(valueChanged(double)), this, SLOT(periodChanged(double))); + connect(m_ui.amplitudeSpinBox, SIGNAL(valueChanged(double)), this, SLOT(amplitudeChanged(double))); + connect(m_ui.overshootSpinBox, SIGNAL(valueChanged(double)), this, SLOT(overshootChanged(double))); + createCurveIcons(); + + QPixmap pix(QLatin1String(":/images/qt-logo.png")); + m_item = new PixmapItem(pix); + m_scene.addItem(m_item); + m_ui.graphicsView->setScene(&m_scene); + + m_anim = new Animation(m_item, "pos"); + m_anim->setEasingCurve(QEasingCurve::OutBounce); + m_ui.easingCurvePicker->setCurrentRow(int(QEasingCurve::OutBounce)); + + startAnimation(); +} + +void Window::createCurveIcons() +{ + QPixmap pix(m_iconSize); + QPainter painter(&pix); + QLinearGradient gradient(0,0, 0, m_iconSize.height()); + gradient.setColorAt(0.0, QColor(240, 240, 240)); + gradient.setColorAt(1.0, QColor(224, 224, 224)); + QBrush brush(gradient); + const QMetaObject &mo = QEasingCurve::staticMetaObject; + QMetaEnum metaEnum = mo.enumerator(mo.indexOfEnumerator("Type")); + // Skip QEasingCurve::Custom + for (int i = 0; i < QEasingCurve::NCurveTypes - 1; ++i) { + painter.fillRect(QRect(QPoint(0, 0), m_iconSize), brush); + QEasingCurve curve((QEasingCurve::Type)i); + painter.setPen(QColor(0, 0, 255, 64)); + qreal xAxis = m_iconSize.height()/1.5; + qreal yAxis = m_iconSize.width()/3; + painter.drawLine(0, xAxis, m_iconSize.width(), xAxis); + painter.drawLine(yAxis, 0, yAxis, m_iconSize.height()); + + qreal curveScale = m_iconSize.height()/2; + + painter.setPen(Qt::NoPen); + + // start point + painter.setBrush(Qt::red); + QPoint start(yAxis, xAxis - curveScale * curve.valueForProgress(0)); + painter.drawRect(start.x() - 1, start.y() - 1, 3, 3); + + // end point + painter.setBrush(Qt::blue); + QPoint end(yAxis + curveScale, xAxis - curveScale * curve.valueForProgress(1)); + painter.drawRect(end.x() - 1, end.y() - 1, 3, 3); + + QPainterPath curvePath; + curvePath.moveTo(start); + for (qreal t = 0; t <= 1.0; t+=1.0/curveScale) { + QPoint to; + to.setX(yAxis + curveScale * t); + to.setY(xAxis - curveScale * curve.valueForProgress(t)); + curvePath.lineTo(to); + } + painter.setRenderHint(QPainter::Antialiasing, true); + painter.strokePath(curvePath, QColor(32, 32, 32)); + painter.setRenderHint(QPainter::Antialiasing, false); + QListWidgetItem *item = new QListWidgetItem; + item->setIcon(QIcon(pix)); + item->setText(metaEnum.key(i)); + m_ui.easingCurvePicker->addItem(item); + } +} + +void Window::startAnimation() +{ + m_anim->setStartValue(QPointF(0, 0)); + m_anim->setEndValue(QPointF(100, 100)); + m_anim->setDuration(2000); + m_anim->setLoopCount(-1); // forever + m_anim->start(); +} + +void Window::curveChanged(int row) +{ + QEasingCurve::Type curveType = (QEasingCurve::Type)row; + m_anim->setEasingCurve(curveType); + m_anim->setCurrentTime(0); + + bool isElastic = curveType >= QEasingCurve::InElastic && curveType <= QEasingCurve::OutInElastic; + bool isBounce = curveType >= QEasingCurve::InBounce && curveType <= QEasingCurve::OutInBounce; + m_ui.periodSpinBox->setEnabled(isElastic); + m_ui.amplitudeSpinBox->setEnabled(isElastic || isBounce); + m_ui.overshootSpinBox->setEnabled(curveType >= QEasingCurve::InBack && curveType <= QEasingCurve::OutInBack); +} + +void Window::pathChanged(int index) +{ + m_anim->setPathType((Animation::PathType)index); +} + +void Window::periodChanged(double value) +{ + QEasingCurve curve = m_anim->easingCurve(); + curve.setPeriod(value); + m_anim->setEasingCurve(curve); +} + +void Window::amplitudeChanged(double value) +{ + QEasingCurve curve = m_anim->easingCurve(); + curve.setAmplitude(value); + m_anim->setEasingCurve(curve); +} + +void Window::overshootChanged(double value) +{ + QEasingCurve curve = m_anim->easingCurve(); + curve.setOvershoot(value); + m_anim->setEasingCurve(curve); +} + diff --git a/examples/animation/easing/window.h b/examples/animation/easing/window.h new file mode 100644 index 0000000000..f3a8cb3b90 --- /dev/null +++ b/examples/animation/easing/window.h @@ -0,0 +1,79 @@ +/**************************************************************************** +** +** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies). +** Contact: Qt Software Information (qt-info@nokia.com) +** +** This file is part of the QtCore module 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. +** $QT_END_LICENSE$ +** +****************************************************************************/ + +#include <QtGui> + +#include "ui_form.h" +#include "animation.h" + +class PixmapItem : public QObject, public QGraphicsPixmapItem +{ + Q_OBJECT + Q_PROPERTY(QPointF pos READ pos WRITE setPos) +public: + PixmapItem(const QPixmap &pix) : QGraphicsPixmapItem(pix) + { + } +}; + +class Window : public QWidget { + Q_OBJECT +public: + Window(QWidget *parent = 0); +private slots: + void curveChanged(int row); + void pathChanged(int index); + void periodChanged(double); + void amplitudeChanged(double); + void overshootChanged(double); + +private: + void createCurveIcons(); + void startAnimation(); + + Ui::Form m_ui; + QGraphicsScene m_scene; + PixmapItem *m_item; + Animation *m_anim; + QSize m_iconSize; + + +}; |
