2011-04-27 10:05:43 +00:00
|
|
|
/****************************************************************************
|
|
|
|
**
|
2016-01-22 12:24:00 +00:00
|
|
|
** Copyright (C) 2016 The Qt Company Ltd.
|
|
|
|
** Contact: https://www.qt.io/licensing/
|
2011-04-27 10:05:43 +00:00
|
|
|
**
|
|
|
|
** This file is part of the QtCore module of the Qt Toolkit.
|
|
|
|
**
|
|
|
|
** $QT_BEGIN_LICENSE:BSD$
|
2016-01-22 12:24:00 +00:00
|
|
|
** Commercial License Usage
|
|
|
|
** Licensees holding valid commercial Qt licenses may use this file in
|
|
|
|
** accordance with the commercial license agreement provided with the
|
|
|
|
** Software or, alternatively, in accordance with the terms contained in
|
|
|
|
** a written agreement between you and The Qt Company. For licensing terms
|
|
|
|
** and conditions see https://www.qt.io/terms-conditions. For further
|
|
|
|
** information use the contact form at https://www.qt.io/contact-us.
|
|
|
|
**
|
|
|
|
** BSD License Usage
|
|
|
|
** Alternatively, you may use this file under the terms of the BSD license
|
|
|
|
** as follows:
|
2011-04-27 10:05:43 +00:00
|
|
|
**
|
|
|
|
** "Redistribution and use in source and binary forms, with or without
|
|
|
|
** modification, are permitted provided that the following conditions are
|
|
|
|
** met:
|
|
|
|
** * Redistributions of source code must retain the above copyright
|
|
|
|
** notice, this list of conditions and the following disclaimer.
|
|
|
|
** * Redistributions in binary form must reproduce the above copyright
|
|
|
|
** notice, this list of conditions and the following disclaimer in
|
|
|
|
** the documentation and/or other materials provided with the
|
|
|
|
** distribution.
|
2015-02-13 11:15:33 +00:00
|
|
|
** * Neither the name of The Qt Company Ltd nor the names of its
|
|
|
|
** contributors may be used to endorse or promote products derived
|
|
|
|
** from this software without specific prior written permission.
|
2012-09-19 12:28:29 +00:00
|
|
|
**
|
2011-04-27 10:05:43 +00:00
|
|
|
**
|
|
|
|
** THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
|
|
|
|
** "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
|
|
|
|
** LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
|
|
|
|
** A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
|
|
|
|
** OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
|
|
|
|
** SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
|
|
|
|
** LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
|
|
|
|
** DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
|
|
|
|
** THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
|
|
|
|
** (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
|
|
|
|
** OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE."
|
2012-01-24 06:17:24 +00:00
|
|
|
**
|
2011-04-27 10:05:43 +00:00
|
|
|
** $QT_END_LICENSE$
|
|
|
|
**
|
|
|
|
****************************************************************************/
|
|
|
|
|
|
|
|
#include "window.h"
|
|
|
|
|
|
|
|
Window::Window(QWidget *parent)
|
2011-04-27 17:16:41 +00:00
|
|
|
: QWidget(parent),
|
|
|
|
m_iconSize(64, 64)
|
2011-04-27 10:05:43 +00:00
|
|
|
{
|
|
|
|
m_ui.setupUi(this);
|
|
|
|
m_ui.easingCurvePicker->setIconSize(m_iconSize);
|
|
|
|
m_ui.easingCurvePicker->setMinimumHeight(m_iconSize.height() + 50);
|
2019-07-13 18:39:05 +00:00
|
|
|
m_ui.buttonGroup->setId(m_ui.lineRadio, 0);
|
|
|
|
m_ui.buttonGroup->setId(m_ui.circleRadio, 1);
|
2011-04-27 10:05:43 +00:00
|
|
|
|
|
|
|
QEasingCurve dummy;
|
|
|
|
m_ui.periodSpinBox->setValue(dummy.period());
|
|
|
|
m_ui.amplitudeSpinBox->setValue(dummy.amplitude());
|
|
|
|
m_ui.overshootSpinBox->setValue(dummy.overshoot());
|
|
|
|
|
2018-12-07 13:15:36 +00:00
|
|
|
connect(m_ui.easingCurvePicker, &QListWidget::currentRowChanged,
|
|
|
|
this, &Window::curveChanged);
|
2020-01-31 14:20:41 +00:00
|
|
|
connect(m_ui.buttonGroup, &QButtonGroup::buttonClicked,
|
2018-12-07 13:15:36 +00:00
|
|
|
this, &Window::pathChanged);
|
|
|
|
connect(m_ui.periodSpinBox, QOverload<double>::of(&QDoubleSpinBox::valueChanged),
|
|
|
|
this, &Window::periodChanged);
|
|
|
|
connect(m_ui.amplitudeSpinBox, QOverload<double>::of(&QDoubleSpinBox::valueChanged),
|
|
|
|
this, &Window::amplitudeChanged);
|
|
|
|
connect(m_ui.overshootSpinBox, QOverload<double>::of(&QDoubleSpinBox::valueChanged),
|
|
|
|
this, &Window::overshootChanged);
|
2011-04-27 10:05:43 +00:00
|
|
|
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();
|
|
|
|
}
|
|
|
|
|
2012-11-21 10:53:45 +00:00
|
|
|
QEasingCurve createEasingCurve(QEasingCurve::Type curveType)
|
|
|
|
{
|
|
|
|
QEasingCurve curve(curveType);
|
|
|
|
|
|
|
|
if (curveType == QEasingCurve::BezierSpline) {
|
|
|
|
curve.addCubicBezierSegment(QPointF(0.4, 0.1), QPointF(0.6, 0.9), QPointF(1.0, 1.0));
|
|
|
|
|
|
|
|
} else if (curveType == QEasingCurve::TCBSpline) {
|
|
|
|
curve.addTCBSegment(QPointF(0.0, 0.0), 0, 0, 0);
|
|
|
|
curve.addTCBSegment(QPointF(0.3, 0.4), 0.2, 1, -0.2);
|
|
|
|
curve.addTCBSegment(QPointF(0.7, 0.6), -0.2, 1, 0.2);
|
|
|
|
curve.addTCBSegment(QPointF(1.0, 1.0), 0, 0, 0);
|
|
|
|
}
|
|
|
|
|
|
|
|
return curve;
|
|
|
|
}
|
|
|
|
|
2011-04-27 10:05:43 +00:00
|
|
|
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);
|
2012-11-21 10:53:45 +00:00
|
|
|
QEasingCurve curve = createEasingCurve((QEasingCurve::Type) i);
|
2011-04-27 10:05:43 +00:00
|
|
|
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;
|
2012-11-21 10:53:45 +00:00
|
|
|
m_anim->setEasingCurve(createEasingCurve(curveType));
|
2011-04-27 10:05:43 +00:00
|
|
|
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);
|
|
|
|
}
|
|
|
|
|
2020-01-25 19:43:13 +00:00
|
|
|
void Window::pathChanged(QAbstractButton *button)
|
2011-04-27 10:05:43 +00:00
|
|
|
{
|
2020-01-25 19:43:13 +00:00
|
|
|
const int index = m_ui.buttonGroup->id(button);
|
|
|
|
m_anim->setPathType(Animation::PathType(index));
|
2011-04-27 10:05:43 +00:00
|
|
|
}
|
|
|
|
|
|
|
|
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);
|
|
|
|
}
|
|
|
|
|