1 /***************************************************************************
2 stopmotion.cpp - description
5 copyright : (C) 2010 by Jean-Baptiste Mardelle
6 email : jb@kdenlive.org
7 ***************************************************************************/
9 /***************************************************************************
11 * This program is free software; you can redistribute it and/or modify *
12 * it under the terms of the GNU General Public License as published by *
13 * the Free Software Foundation; either version 2 of the License, or *
14 * (at your option) any later version. *
16 ***************************************************************************/
18 #include "stopmotion.h"
19 #include "../blackmagic/devices.h"
20 #include "../slideshowclip.h"
21 #include "kdenlivesettings.h"
25 #include <KGlobalSettings>
26 #include <KFileDialog>
27 #include <KStandardDirs>
28 #include <KMessageBox>
29 #include <kdeversion.h>
30 #include <KNotification>
33 #include <QVBoxLayout>
38 StopmotionWidget::StopmotionWidget(KUrl projectFolder, QWidget *parent) :
39 m_projectFolder(projectFolder)
46 setWindowTitle(i18n("Stop Motion Capture"));
47 setFont(KGlobalSettings::toolBarFont());
49 live_button->setIcon(KIcon("camera-photo"));
50 frameoverlay_button->setIcon(KIcon("edit-paste"));
51 m_captureAction = new QAction(KIcon("media-record"), i18n("Capture frame"), this);
52 m_captureAction->setShortcut(QKeySequence(Qt::Key_Space));
53 connect(m_captureAction, SIGNAL(triggered()), this, SLOT(slotCaptureFrame()));
54 capture_button->setDefaultAction(m_captureAction);
56 preview_button->setIcon(KIcon("media-playback-start"));
57 removelast_button->setIcon(KIcon("edit-delete"));
58 capture_button->setEnabled(false);
59 frameoverlay_button->setEnabled(false);
60 removelast_button->setEnabled(false);
62 #if KDE_IS_VERSION(4,4,0)
63 sequence_name->setClickMessage(i18n("Enter sequence name..."));
66 connect(sequence_name, SIGNAL(textChanged(const QString &)), this, SLOT(sequenceNameChanged(const QString &)));
67 BMInterface::getBlackMagicDeviceList(capture_device, NULL);
68 QVBoxLayout *lay = new QVBoxLayout;
69 m_bmCapture = new CaptureHandler(lay);
70 video_preview->setLayout(lay);
71 live_button->setChecked(false);
72 frameoverlay_button->setChecked(false);
73 button_addsequence->setEnabled(false);
74 connect(live_button, SIGNAL(clicked(bool)), this, SLOT(slotLive(bool)));
75 connect(frameoverlay_button, SIGNAL(clicked(bool)), this, SLOT(slotShowOverlay(bool)));
76 connect(frame_number, SIGNAL(valueChanged(int)), this, SLOT(slotShowFrame(int)));
77 connect(button_addsequence, SIGNAL(clicked(bool)), this, SLOT(slotAddSequence()));
78 connect(preview_button, SIGNAL(clicked(bool)), this, SLOT(slotPlayPreview()));
79 connect(frame_list, SIGNAL(activated(const QModelIndex &)), this, SLOT(slotShowSelectedFrame()));
82 StopmotionWidget::~StopmotionWidget()
84 m_bmCapture->stopPreview();
87 void StopmotionWidget::slotLive(bool isOn)
90 m_bmCapture->startPreview(KdenliveSettings::hdmicapturedevice(), KdenliveSettings::hdmicapturemode());
91 capture_button->setEnabled(sequence_name->text().isEmpty() == false);
94 m_bmCapture->stopPreview();
95 capture_button->setEnabled(false);
99 void StopmotionWidget::slotShowOverlay(bool isOn)
102 if (live_button->isChecked() && m_sequenceFrame > 0) {
107 m_bmCapture->hideOverlay();
111 void StopmotionWidget::slotUpdateOverlay()
113 QString path = getPathForFrame(m_sequenceFrame - 1);
114 if (!QFile::exists(path)) return;
117 QTimer::singleShot(1000, this, SLOT(slotUpdateOverlay()));
120 m_bmCapture->showOverlay(img);
123 void StopmotionWidget::sequenceNameChanged(const QString &name)
126 if (name.isEmpty()) {
127 button_addsequence->setEnabled(false);
128 capture_button->setEnabled(false);
129 frame_number->blockSignals(true);
130 frame_number->setValue(m_sequenceFrame);
131 frame_number->blockSignals(false);
132 frameoverlay_button->setEnabled(false);
133 removelast_button->setEnabled(false);
136 // Check if we are editing an existing sequence
138 QString pattern = SlideshowClip::selectedPath(getPathForFrame(0, sequence_name->text()), false, QString(), &count);
139 m_sequenceFrame = count;
141 m_sequenceName = sequence_name->text();
142 //TODO: Do the thumbnail stuff in a thread
143 for (int i = 0; i < count; i++) {
144 slotUpdateFrameList(i);
146 button_addsequence->setEnabled(true);
147 frameoverlay_button->setEnabled(true);
150 button_addsequence->setEnabled(false);
151 frameoverlay_button->setEnabled(false);
153 frame_number->setRange(0, m_sequenceFrame);
154 frame_number->blockSignals(true);
155 frame_number->setValue(m_sequenceFrame);
156 frame_number->blockSignals(false);
157 capture_button->setEnabled(true);
161 void StopmotionWidget::slotCaptureFrame()
163 if (m_sequenceName != sequence_name->text()) {
164 m_sequenceName = sequence_name->text();
167 capture_button->setEnabled(false);
168 m_bmCapture->captureFrame(getPathForFrame(m_sequenceFrame));
169 KNotification::event("FrameCaptured");
170 frameoverlay_button->setEnabled(true);
172 frame_number->setRange(0, m_sequenceFrame);
173 frame_number->blockSignals(true);
174 frame_number->setValue(m_sequenceFrame);
175 frame_number->blockSignals(false);
176 button_addsequence->setEnabled(true);
177 //if (frameoverlay_button->isChecked()) QTimer::singleShot(1000, this, SLOT(slotUpdateOverlay()));
178 QTimer::singleShot(1000, this, SLOT(slotUpdateFrameList()));
181 void StopmotionWidget::slotUpdateFrameList(int ix)
183 kDebug()<< "// GET FRAME: "<<ix;
184 if (ix == -1) ix = m_sequenceFrame - 1;
185 QString path = getPathForFrame(ix);
186 if (!QFile::exists(path)) {
187 capture_button->setEnabled(true);
192 if (ix == m_sequenceFrame - 1) QTimer::singleShot(1000, this, SLOT(slotUpdateFrameList()));
196 int width = height * img.width() / img.height();
197 frame_list->setIconSize(QSize(width, height));
198 QPixmap pix = QPixmap::fromImage(img).scaled(width, height);
199 QString nb = QString::number(ix);
201 QFontInfo finfo(font());
202 p.fillRect(0, 0, finfo.pixelSize() * nb.count() + 6, finfo.pixelSize() + 6, QColor(0, 0, 0, 150));
204 p.drawText(QPoint(3, finfo.pixelSize() + 3), nb);
207 QListWidgetItem *item = new QListWidgetItem(icon, QString(), frame_list);
208 item->setData(Qt::UserRole, path);
209 item->setData(Qt::UserRole + 1, ix);
210 item->setToolTip(path);
211 capture_button->setEnabled(true);
214 QString StopmotionWidget::getPathForFrame(int ix, QString seqName)
216 if (seqName.isEmpty()) seqName = m_sequenceName;
217 return m_projectFolder.path(KUrl::AddTrailingSlash) + seqName + "_" + QString::number(ix).rightJustified(4, '0', false) + ".png";
220 void StopmotionWidget::slotShowFrame(int ix)
222 if (m_sequenceFrame == 0) {
223 //there are no images in sequence
226 frameoverlay_button->blockSignals(true);
227 frameoverlay_button->setChecked(false);
228 frameoverlay_button->blockSignals(false);
229 if (ix < m_sequenceFrame) {
230 // Show previous frame
231 QImage img(getPathForFrame(ix));
232 capture_button->setEnabled(false);
233 if (!img.isNull()) m_bmCapture->showOverlay(img, false);
236 m_bmCapture->hideOverlay();
237 capture_button->setEnabled(true);
241 void StopmotionWidget::slotShowSelectedFrame()
243 QListWidgetItem *item = frame_list->currentItem();
245 int ix = item->data(Qt::UserRole + 1).toInt();
246 //frame_number->blockSignals(true);
247 frame_number->setValue(ix);
248 //frame_number->blockSignals(false);
253 void StopmotionWidget::slotAddSequence()
255 emit addOrUpdateSequence(getPathForFrame(0));
258 void StopmotionWidget::slotPlayPreview()
260 if (m_animatedIndex != -1) {
262 m_animatedIndex = -1;
265 QListWidgetItem *item = frame_list->currentItem();
267 m_animatedIndex = item->data(Qt::UserRole + 1).toInt();
269 QTimer::singleShot(200, this, SLOT(slotAnimate()));
272 void StopmotionWidget::slotAnimate()
274 slotShowFrame(m_animatedIndex);
276 if (m_animatedIndex < m_sequenceFrame) QTimer::singleShot(200, this, SLOT(slotAnimate()));
277 else m_animatedIndex = -1;