1 /***************************************************************************
2 * Copyright (C) 2010 by Till Theato (root@ttill.de) *
4 * This program is free software; you can redistribute it and/or modify *
5 * it under the terms of the GNU General Public License as published by *
6 * the Free Software Foundation; either version 2 of the License, or *
7 * (at your option) any later version. *
9 * This program is distributed in the hope that it will be useful, *
10 * but WITHOUT ANY WARRANTY; without even the implied warranty of *
11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the *
12 * GNU General Public License for more details. *
14 * You should have received a copy of the GNU General Public License *
15 * along with this program; if not, write to the *
16 * Free Software Foundation, Inc., *
17 * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA *
18 ***************************************************************************/
20 #include "cornerswidget.h"
22 #include "monitorscene.h"
23 #include "monitorscenecontrolwidget.h"
24 #include "onmonitoritems/onmonitorcornersitem.h"
26 #include "kdenlivesettings.h"
28 #include <QGraphicsView>
29 #include <QGridLayout>
33 inline int lerp( const int a, const int b, double t )
35 return a + (b - a) * t;
38 CornersWidget::CornersWidget(Monitor *monitor, QDomElement e, int minFrame, int maxFrame, Timecode tc, int activeKeyframe, QWidget* parent) :
39 KeyframeEdit(e, minFrame, maxFrame, tc, activeKeyframe, parent),
44 m_scene = monitor->getEffectScene();
46 m_item = new OnMonitorCornersItem(m_scene);
47 m_scene->addItem(m_item);
49 m_config = new MonitorSceneControlWidget(m_scene, this);
50 QGridLayout *l = static_cast<QGridLayout *>(layout());
51 l->addWidget(m_config->getShowHideButton(), 1, 1);
52 l->addWidget(m_config, 1, 2);
54 QToolButton *buttonShowLines = new QToolButton(m_config);
56 buttonShowLines->setIcon(KIcon("insert-horizontal-rule"));
57 buttonShowLines->setToolTip(i18n("Show/Hide the lines connecting the corners"));
58 buttonShowLines->setCheckable(true);
59 buttonShowLines->setChecked(KdenliveSettings::onmonitoreffects_cornersshowlines());
60 connect(buttonShowLines, SIGNAL(toggled(bool)), this, SLOT(slotShowLines(bool)));
61 m_config->addWidget(buttonShowLines, 0, 2);
62 QToolButton *buttonShowControls = new QToolButton(m_config);
63 buttonShowControls->setIcon(KIcon("transform-move"));
64 buttonShowControls->setToolTip(i18n("Show additional controls"));
65 buttonShowControls->setCheckable(true);
66 buttonShowControls->setChecked(KdenliveSettings::onmonitoreffects_cornersshowcontrols());
67 connect(buttonShowControls, SIGNAL(toggled(bool)), this, SLOT(slotShowControls(bool)));
68 m_config->addWidget(buttonShowControls, 0, 3);
70 connect(m_config, SIGNAL(showScene(bool)), this, SLOT(slotShowScene(bool)));
71 connect(m_monitor, SIGNAL(renderPosition(int)), this, SLOT(slotCheckMonitorPosition(int)));
72 connect(m_scene, SIGNAL(actionFinished()), this, SLOT(slotUpdateProperties()));
73 connect(m_scene, SIGNAL(addKeyframe()), this, SLOT(slotInsertKeyframe()));
75 connect(keyframe_list, SIGNAL(cellChanged(int, int)), this, SLOT(slotUpdateItem()));
78 CornersWidget::~CornersWidget()
81 m_scene->removeItem(m_item);
84 m_monitor->slotEffectScene(false);
87 void CornersWidget::addParameter(QDomElement e, int activeKeyframe)
89 KeyframeEdit::addParameter(e, activeKeyframe);
91 if (!m_item->polygon().count())
95 void CornersWidget::slotUpdateItem()
97 if (keyframe_list->columnCount() < 8)
100 QTableWidgetItem *keyframe, *keyframeOld;
101 keyframe = keyframe_list->item(0, 0);
102 for (int row = 0; row < keyframe_list->rowCount(); ++row) {
103 keyframeOld = keyframe;
104 keyframe = keyframe_list->item(row, 0);
105 if (getPos(row) >= m_pos)
109 QList<QPointF> points, pointsPrev, pointsNext;
110 pointsPrev = getPoints(keyframeOld);
111 pointsNext = getPoints(keyframe);
112 if (pointsPrev.count() != 4 || pointsNext.count() != 4)
115 qreal position = (m_pos - getPos(keyframeOld->row())) / (qreal)( getPos(keyframe->row()) - getPos(keyframeOld->row()) + 1 );
117 if (keyframeOld == keyframe) {
120 for (int i = 0; i < 4; ++i)
121 points.append(QLineF(pointsPrev.at(i), pointsNext.at(i)).pointAt(position));
124 m_scene->blockSignals(true);
125 m_item->setPolygon(QPolygonF() << points.at(0) << points.at(1) << points.at(2) << points.at(3));
126 m_scene->blockSignals(false);
128 bool enable = getPos(keyframe->row()) == m_pos || keyframe_list->rowCount() == 1;
129 m_item->setEnabled(enable);
130 m_scene->setEnabled(enable);
133 void CornersWidget::slotUpdateProperties()
135 if (keyframe_list->columnCount() < 8)
138 QPolygonF pol = m_item->polygon();
140 QTableWidgetItem *item = keyframe_list->currentItem();
142 for (int col = 0; col < 8; col++) {
144 val = pol.at(col / 2).x() / (double)m_monitor->render->frameRenderWidth();
146 val = pol.at(col / 2).y() / (double)m_monitor->render->renderHeight();
149 QTableWidgetItem *nitem = keyframe_list->item(item->row(), col);
150 if (nitem->text().toInt() != (int)val)
151 nitem->setText(QString::number((int)val));
154 slotAdjustKeyframeInfo(false);
157 QList<QPointF> CornersWidget::getPoints(QTableWidgetItem* keyframe)
159 QList<QPointF> points;
165 for (int col = 0; col < 8; col++) {
166 if (!keyframe_list->item(keyframe->row(), col))
167 return QList<QPointF>();
168 val = (keyframe_list->item(keyframe->row(), col)->text().toInt() - 2000) / 2000.;
170 points << QPointF(val * m_monitor->render->frameRenderWidth(), 0);
172 points[col / 2].setY(val * m_monitor->render->renderHeight());
177 void CornersWidget::slotCheckMonitorPosition(int renderPos)
180 emit checkMonitorPosition(renderPos);
183 void CornersWidget::slotShowScene(bool show)
187 m_monitor->slotEffectScene(false);
189 slotCheckMonitorPosition(m_monitor->render->seekFramePosition());
192 void CornersWidget::slotShowLines(bool show)
194 KdenliveSettings::setOnmonitoreffects_cornersshowlines(show);
198 void CornersWidget::slotShowControls(bool show)
200 KdenliveSettings::setOnmonitoreffects_cornersshowcontrols(show);
204 void CornersWidget::slotSyncPosition(int relTimelinePos)
206 if (keyframe_list->rowCount()) {
207 relTimelinePos = qBound(0, relTimelinePos, m_max);
208 if (relTimelinePos != m_pos) {
209 m_pos = relTimelinePos;
215 void CornersWidget::slotInsertKeyframe()
217 keyframe_list->blockSignals(true);
220 QTableWidgetItem *keyframe, *keyframeOld;
221 keyframe = keyframe_list->item(0, 0);
222 for (row = 0; row < keyframe_list->rowCount(); ++row) {
223 keyframeOld = keyframe;
224 keyframe = keyframe_list->item(row, 0);
225 if (getPos(row) >= m_pos)
229 int pos2 = getPos(row);
235 pos1 = getPos(row - 1);
237 int col = keyframe_list->currentColumn();
238 double pos = (m_pos - pos1) / (double)(pos2 - pos1 + 1);
240 keyframe_list->insertRow(row);
241 keyframe_list->setVerticalHeaderItem(row, new QTableWidgetItem(getPosString(m_pos)));
243 QPolygonF pol = m_item->polygon();
245 for (int i = 0; i < keyframe_list->columnCount(); i++) {
248 val = pol.at(i / 2).x() / (double)m_monitor->render->frameRenderWidth();
250 val = pol.at(i / 2).y() / (double)m_monitor->render->renderHeight();
253 keyframe_list->setItem(row, i, new QTableWidgetItem(QString::number((int)val)));
255 keyframe_list->setItem(row, i, new QTableWidgetItem(QString::number(lerp(keyframe_list->item(keyframeOld->row(), i)->text().toInt(), keyframe_list->item(keyframe->row(), i)->text().toInt(), pos))));
259 keyframe_list->resizeRowsToContents();
260 slotAdjustKeyframeInfo();
261 keyframe_list->blockSignals(false);
263 button_delete->setEnabled(true);
264 keyframe_list->setCurrentCell(row, col);
265 keyframe_list->selectRow(row);
268 #include "cornerswidget.moc"