model/rect/recthelper.cpp

0001 /*
0002 SPDX-FileCopyrightText: 2021 Julius Künzel <jk.kdedev@smartlab.uber.space>
0003 This file is part of Kdenlive. See www.kdenlive.org.
0004
0005 SPDX-License-Identifier: GPL-3.0-only OR LicenseRef-KDE-Accepted-GPL
0006 */
0007
0008 #include "recthelper.hpp"
0009 #include "assets/keyframes/model/keyframemodellist.hpp"
0010 #include "assets/model/assetparametermodel.hpp"
0011 #include "core.h"
0012 #include "monitor/monitor.h"
0013 #include "utils/gentime.h"
0014
0015 #include <QSize>
0016 #include <utility>
0017 RectHelper::RectHelper(Monitor *monitor, std::shared_ptr<AssetParameterModel> model, QPersistentModelIndex index, QObject *parent)
0018     : KeyframeMonitorHelper(monitor, std::move(model), std::move(index), parent)
0019 {
0020 }
0021
0022 bool RectHelper::connectMonitor(bool activate)
0023 {
0024     if (activate == m_active) {
0025         return true;
0026     }
0027     m_active = activate;
0028     if (activate) {
0029         connect(m_monitor, &Monitor::effectChanged, this, &RectHelper::slotUpdateFromMonitorRect, Qt::UniqueConnection);
0030     } else {
0031         m_monitor->setEffectKeyframe(false);
0032         disconnect(m_monitor, &Monitor::effectChanged, this, &RectHelper::slotUpdateFromMonitorRect);
0033     }
0034     return m_active;
0035 }
0036
0037 void RectHelper::slotUpdateFromMonitorRect(const QRect &rect)
0038 {
0039     QSize frameSize = pCore->getCurrentFrameSize();
0040     double x = double(rect.x() + rect.width() / 2) / frameSize.width();
0041     double y = double(rect.y() + rect.height() / 2) / frameSize.height();
0042     double w = double(rect.width()) / frameSize.width() * 0.5;
0043     double h = double(rect.height()) / frameSize.height() * 0.5;
0044     Q_EMIT updateKeyframeData(m_indexes.at(0), x);
0045     Q_EMIT updateKeyframeData(m_indexes.at(1), y);
0046     Q_EMIT updateKeyframeData(m_indexes.at(2), w);
0047     Q_EMIT updateKeyframeData(m_indexes.at(3), h);
0048 }
0049
0050 void RectHelper::refreshParams(int pos)
0051 {
0052     int x = 0, y = 0, w = 500, h = 500;
0053     QSize frameSize = pCore->getCurrentFrameSize();
0054     for (const auto &ix : qAsConst(m_indexes)) {
0055         auto type = m_model->data(ix, AssetParameterModel::TypeRole).value<ParamType>();
0056         if (type != ParamType::KeyframeParam) {
0057             continue;
0058         }
0059         QString paramName = m_model->data(ix, AssetParameterModel::NameRole).toString();
0060         double value = m_model->getKeyframeModel()->getInterpolatedValue(pos, ix).toDouble();
0061         if (paramName.contains(QLatin1String("Position X"))) {
0062             x = frameSize.width() * value;
0063         } else if (paramName.contains(QLatin1String("Position Y"))) {
0064             y = frameSize.height() * value;
0065         } else if (paramName.contains(QLatin1String("Size X"))) {
0066             w = frameSize.width() * value * 2;
0067         } else if (paramName.contains(QLatin1String("Size Y"))) {
0068             h = frameSize.height() * value * 2;
0069         }
0070     }
0071     if (m_monitor) {
0072         qDebug() << QRect(x, y, w, h);
0073         m_monitor->setUpEffectGeometry(QRect(x - w / 2, y - h / 2, w, h));
0074     }
0075 }