axisanimation.cpp
146 lines
| 4.8 KiB
| text/x-c
|
CppLexer
Miikka Heikkinen
|
r2854 | /**************************************************************************** | ||
Jani Honkonen
|
r794 | ** | ||
|
Miikka Heikkinen
|
r2854 | ** Copyright (C) 2016 The Qt Company Ltd. | ||
| ** Contact: https://www.qt.io/licensing/ | ||||
|
Jani Honkonen
|
r794 | ** | ||
|
Miikka Heikkinen
|
r2854 | ** This file is part of the Qt Charts module of the Qt Toolkit. | ||
|
Jani Honkonen
|
r794 | ** | ||
|
Miikka Heikkinen
|
r2854 | ** $QT_BEGIN_LICENSE:GPL$ | ||
Titta Heikkala
|
r2845 | ** 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 | ||||
|
Miikka Heikkinen
|
r2854 | ** and conditions see https://www.qt.io/terms-conditions. For further | ||
| ** information use the contact form at https://www.qt.io/contact-us. | ||||
| ** | ||||
| ** GNU General Public License Usage | ||||
| ** Alternatively, this file may be used under the terms of the GNU | ||||
| ** General Public License version 3 or (at your option) any later version | ||||
| ** approved by the KDE Free Qt Foundation. The licenses are as published by | ||||
| ** the Free Software Foundation and appearing in the file LICENSE.GPL3 | ||||
| ** included in the packaging of this file. Please review the following | ||||
| ** information to ensure the GNU General Public License requirements will | ||||
| ** be met: https://www.gnu.org/licenses/gpl-3.0.html. | ||||
|
Jani Honkonen
|
r794 | ** | ||
|
Titta Heikkala
|
r2845 | ** $QT_END_LICENSE$ | ||
| ** | ||||
|
Miikka Heikkinen
|
r2854 | ****************************************************************************/ | ||
|
Jani Honkonen
|
r794 | |||
|
Titta Heikkala
|
r2714 | #include <private/axisanimation_p.h> | ||
| #include <private/chartaxiselement_p.h> | ||||
| #include <private/qabstractaxis_p.h> | ||||
Michal Klocek
|
r530 | |||
| Q_DECLARE_METATYPE(QVector<qreal>) | ||||
Titta Heikkala
|
r2712 | QT_CHARTS_BEGIN_NAMESPACE | ||
|
Michal Klocek
|
r530 | |||
|
Titta Heikkala
|
r2804 | AxisAnimation::AxisAnimation(ChartAxisElement *axis, int duration, QEasingCurve &curve) | ||
|
Jani Honkonen
|
r2097 | : ChartAnimation(axis), | ||
| m_axis(axis), | ||||
| m_type(DefaultAnimation) | ||||
|
Michal Klocek
|
r530 | { | ||
|
Titta Heikkala
|
r2804 | setDuration(duration); | ||
| setEasingCurve(curve); | ||||
|
Michal Klocek
|
r530 | } | ||
| AxisAnimation::~AxisAnimation() | ||||
| { | ||||
| } | ||||
|
Michal Klocek
|
r1241 | void AxisAnimation::setAnimationType(Animation type) | ||
| { | ||||
|
Jani Honkonen
|
r2097 | if (state() != QAbstractAnimation::Stopped) | ||
| stop(); | ||||
| m_type = type; | ||||
|
Michal Klocek
|
r1241 | } | ||
|
Jani Honkonen
|
r2104 | void AxisAnimation::setAnimationPoint(const QPointF &point) | ||
|
Michal Klocek
|
r1241 | { | ||
|
Jani Honkonen
|
r2097 | if (state() != QAbstractAnimation::Stopped) | ||
| stop(); | ||||
| m_point = point; | ||||
|
Michal Klocek
|
r1241 | } | ||
| void AxisAnimation::setValues(QVector<qreal> &oldLayout, QVector<qreal> &newLayout) | ||||
| { | ||||
|
Michal Klocek
|
r2105 | if (state() != QAbstractAnimation::Stopped) stop(); | ||
|
Jani Honkonen
|
r2097 | |||
| switch (m_type) { | ||||
|
Jani Honkonen
|
r2131 | case ZoomOutAnimation: { | ||
| QRectF rect = m_axis->gridGeometry(); | ||||
| oldLayout.resize(newLayout.count()); | ||||
|
Jani Honkonen
|
r2097 | |||
|
Jani Honkonen
|
r2131 | for (int i = 0, j = oldLayout.count() - 1; i < (oldLayout.count() + 1) / 2; ++i, --j) { | ||
Miikka Heikkinen
|
r2483 | oldLayout[i] = m_axis->axis()->orientation() == Qt::Horizontal ? rect.left() : rect.bottom(); | ||
| oldLayout[j] = m_axis->axis()->orientation() == Qt::Horizontal ? rect.right() : rect.top(); | ||||
|
Jani Honkonen
|
r2097 | } | ||
|
Jani Honkonen
|
r2131 | } | ||
| break; | ||||
| case ZoomInAnimation: { | ||||
|
Miikka Heikkinen
|
r2483 | int index = qMin(oldLayout.count() * (m_axis->axis()->orientation() == Qt::Horizontal ? m_point.x() : (1 - m_point.y())), newLayout.count() - (qreal)1.0); | ||
|
Jani Honkonen
|
r2131 | oldLayout.resize(newLayout.count()); | ||
|
Jani Honkonen
|
r2097 | |||
|
Titta Heikkala
|
r2784 | if (index < 0) | ||
| break; | ||||
|
Jani Honkonen
|
r2131 | for (int i = 0; i < oldLayout.count(); i++) | ||
| oldLayout[i] = oldLayout[index]; | ||||
| } | ||||
| break; | ||||
| case MoveForwardAnimation: { | ||||
| oldLayout.resize(newLayout.count()); | ||||
|
Jani Honkonen
|
r2097 | |||
|
Jani Honkonen
|
r2131 | for (int i = 0, j = i + 1; i < oldLayout.count() - 1; ++i, ++j) | ||
| oldLayout[i] = oldLayout[j]; | ||||
| } | ||||
| break; | ||||
| case MoveBackwordAnimation: { | ||||
| oldLayout.resize(newLayout.count()); | ||||
| for (int i = oldLayout.count() - 1, j = i - 1; i > 0; --i, --j) | ||||
| oldLayout[i] = oldLayout[j]; | ||||
| } | ||||
| break; | ||||
| default: { | ||||
| oldLayout.resize(newLayout.count()); | ||||
| QRectF rect = m_axis->gridGeometry(); | ||||
| for (int i = 0, j = oldLayout.count() - 1; i < oldLayout.count(); ++i, --j) | ||||
|
Miikka Heikkinen
|
r2483 | oldLayout[i] = m_axis->axis()->orientation() == Qt::Horizontal ? rect.left() : rect.top(); | ||
|
Jani Honkonen
|
r2131 | } | ||
| break; | ||||
|
Jani Honkonen
|
r2097 | } | ||
| QVariantAnimation::KeyValues value; | ||||
| setKeyValues(value); //workaround for wrong interpolation call | ||||
| setKeyValueAt(0.0, qVariantFromValue(oldLayout)); | ||||
| setKeyValueAt(1.0, qVariantFromValue(newLayout)); | ||||
|
Michal Klocek
|
r1241 | } | ||
|
Jani Honkonen
|
r2097 | QVariant AxisAnimation::interpolated(const QVariant &start, const QVariant &end, qreal progress) const | ||
|
Michal Klocek
|
r530 | { | ||
|
Jani Honkonen
|
r2241 | QVector<qreal> startVector = qvariant_cast<QVector<qreal> >(start); | ||
| QVector<qreal> endVecotr = qvariant_cast<QVector<qreal> >(end); | ||||
|
Michal Klocek
|
r530 | QVector<qreal> result; | ||
| Q_ASSERT(startVector.count() == endVecotr.count()) ; | ||||
|
Jani Honkonen
|
r2097 | for (int i = 0; i < startVector.count(); i++) { | ||
|
Titta Heikkala
|
r2712 | qreal value = startVector[i] + ((endVecotr[i] - startVector[i]) * progress); | ||
|
Jani Honkonen
|
r2097 | result << value; | ||
|
Michal Klocek
|
r530 | } | ||
| return qVariantFromValue(result); | ||||
| } | ||||
|
Jani Honkonen
|
r2097 | void AxisAnimation::updateCurrentValue(const QVariant &value) | ||
|
Michal Klocek
|
r530 | { | ||
|
Jani Honkonen
|
r2097 | if (state() != QAbstractAnimation::Stopped) { //workaround | ||
|
Jani Honkonen
|
r2241 | QVector<qreal> vector = qvariant_cast<QVector<qreal> >(value); | ||
|
Michal Klocek
|
r530 | m_axis->setLayout(vector); | ||
|
Michal Klocek
|
r1241 | m_axis->updateGeometry(); | ||
|
Michal Klocek
|
r530 | } | ||
| } | ||||
|
Titta Heikkala
|
r2712 | QT_CHARTS_END_NAMESPACE | ||