summaryrefslogtreecommitdiffstats
path: root/examples/animation/easing
diff options
context:
space:
mode:
authorAlexis Menard <alexis.menard@nokia.com>2009-04-17 14:06:06 (GMT)
committerAlexis Menard <alexis.menard@nokia.com>2009-04-17 14:06:06 (GMT)
commitf15b8a83e2e51955776a3f07cb85ebfc342dd8ef (patch)
treec5dc684986051654898db11ce73e03b9fec8db99 /examples/animation/easing
downloadQt-f15b8a83e2e51955776a3f07cb85ebfc342dd8ef.zip
Qt-f15b8a83e2e51955776a3f07cb85ebfc342dd8ef.tar.gz
Qt-f15b8a83e2e51955776a3f07cb85ebfc342dd8ef.tar.bz2
Initial import of statemachine branch from the old kinetic repository
Diffstat (limited to 'examples/animation/easing')
-rw-r--r--examples/animation/easing/animation.h75
-rw-r--r--examples/animation/easing/easing.pro16
-rw-r--r--examples/animation/easing/form.ui201
-rw-r--r--examples/animation/easing/images/qt-logo.pngbin0 -> 5149 bytes
-rw-r--r--examples/animation/easing/main.cpp22
-rw-r--r--examples/animation/easing/resources.qrc5
-rw-r--r--examples/animation/easing/window.cpp133
-rw-r--r--examples/animation/easing/window.h49
8 files changed, 501 insertions, 0 deletions
diff --git a/examples/animation/easing/animation.h b/examples/animation/easing/animation.h
new file mode 100644
index 0000000..db67810
--- /dev/null
+++ b/examples/animation/easing/animation.h
@@ -0,0 +1,75 @@
+/****************************************************************************
+**
+** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
+** Contact: Qt Software Information (qt-info@nokia.com)
+**
+** This file is part of the $MODULE$ of the Qt Toolkit.
+**
+** $TROLLTECH_DUAL_LICENSE$
+**
+****************************************************************************/
+
+#ifndef ANIMATION_H
+#define ANIMATION_H
+
+#include <QtGui>
+
+#if defined(QT_EXPERIMENTAL_SOLUTION)
+# include "qpropertyanimation.h"
+#else
+# include <QtCore/qpropertyanimation.h>
+#endif
+
+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 0000000..fa5b22d
--- /dev/null
+++ b/examples/animation/easing/easing.pro
@@ -0,0 +1,16 @@
+######################################################################
+# Automatically generated by qmake (2.01a) to 2. okt 23:22:11 2008
+######################################################################
+
+TEMPLATE = app
+TARGET =
+DEPENDPATH += .
+INCLUDEPATH += .
+
+# Input
+HEADERS += window.h animation.h
+SOURCES += main.cpp window.cpp
+
+FORMS += form.ui
+
+RESOURCES = resources.qrc
diff --git a/examples/animation/easing/form.ui b/examples/animation/easing/form.ui
new file mode 100644
index 0000000..b60ade8
--- /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
new file mode 100644
index 0000000..14ddf2a
--- /dev/null
+++ b/examples/animation/easing/images/qt-logo.png
Binary files differ
diff --git a/examples/animation/easing/main.cpp b/examples/animation/easing/main.cpp
new file mode 100644
index 0000000..139f2da
--- /dev/null
+++ b/examples/animation/easing/main.cpp
@@ -0,0 +1,22 @@
+/****************************************************************************
+**
+** Copyright (C) 2008 Nokia Corporation and/or its subsidiary(-ies).
+** Contact: Qt Software Information (qt-info@nokia.com)
+**
+** This file is part of the $MODULE$ of the Qt Toolkit.
+**
+** $TROLLTECH_DUAL_LICENSE$
+**
+****************************************************************************/
+
+#include <QtGui>
+#include "window.h"
+
+int main(int argc, char **argv)
+{
+ QApplication app(argc, argv);
+ Window w;
+ w.resize(400, 400);
+ w.show();
+ return app.exec();
+}
diff --git a/examples/animation/easing/resources.qrc b/examples/animation/easing/resources.qrc
new file mode 100644
index 0000000..7e112d3
--- /dev/null
+++ b/examples/animation/easing/resources.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/window.cpp b/examples/animation/easing/window.cpp
new file mode 100644
index 0000000..c6ea360
--- /dev/null
+++ b/examples/animation/easing/window.cpp
@@ -0,0 +1,133 @@
+/****************************************************************************
+**
+** Copyright (C) 2008 Nokia Corporation and/or its subsidiary(-ies).
+** Contact: Qt Software Information (qt-info@nokia.com)
+**
+** This file is part of the $MODULE$ of the Qt Toolkit.
+**
+** $TROLLTECH_DUAL_LICENSE$
+**
+****************************************************************************/
+
+#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());
+ painter.setPen(Qt::black);
+
+ qreal curveScale = m_iconSize.height()/2;
+ QPoint currentPos(yAxis, xAxis);
+
+ 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));
+ painter.drawLine(currentPos, to);
+ currentPos = to;
+ }
+ 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->setIterationCount(-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 0000000..4ba6eb6
--- /dev/null
+++ b/examples/animation/easing/window.h
@@ -0,0 +1,49 @@
+/****************************************************************************
+**
+** Copyright (C) 2008 Nokia Corporation and/or its subsidiary(-ies).
+** Contact: Qt Software Information (qt-info@nokia.com)
+**
+** This file is part of the $MODULE$ of the Qt Toolkit.
+**
+** $TROLLTECH_DUAL_LICENSE$
+**
+****************************************************************************/
+
+#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;
+
+
+};