void qAnimationDlg::onItemChanged(QListWidgetItem*)
{
//update total duration
updateTotalDuration();
onCurrentStepChanged(stepSelectionList->currentRow());
}
void qAnimationDlg::preview()
{
//we'll take the rendering time into account!
QElapsedTimer timer;
timer.start();
setEnabled(false);
//reset the interpolators and count the total number of frames
int frameCount = countFrameAndResetInterpolators();
//show progress dialog
QProgressDialog progressDialog(QString("Frames: %1").arg(frameCount), "Cancel", 0, frameCount, this);
progressDialog.setWindowTitle("Preview");
progressDialog.show();
QApplication::processEvents();
double fps = fpsSpinBox->value();
int frameIndex = 0;
for ( size_t i=0; i<m_videoSteps.size(); ++i )
{
VideoStepItem& currentVideoStep = m_videoSteps[i];
//theoretical waiting time per frame
qint64 delay_ms = static_cast<int>(1000 * currentVideoStep.duration_sec / fps);
cc2DViewportObject currentParams;
while ( currentVideoStep.interpolator.nextView( currentParams ) )
{
timer.restart();
applyViewport ( ¤tParams );
qint64 dt_ms = timer.elapsed();
progressDialog.setValue(++frameIndex);
QApplication::processEvents();
if (progressDialog.wasCanceled())
{
break;
}
//remaining time
if (dt_ms < delay_ms)
{
int wait_ms = static_cast<int>(delay_ms - dt_ms);
#if defined(CC_WINDOWS)
::Sleep( wait_ms );
#else
usleep( wait_ms * 1000 );
#endif
}
}
}
//reset view
onCurrentStepChanged( getCurrentStepIndex() );
setEnabled(true);
}
qAnimationDlg::qAnimationDlg( std::vector<VideoStepItem>& videoSteps, ccGLWindow* view3d, QWidget* parent)
: QDialog(parent)
, Ui::AnimationDialog()
, m_videoSteps(videoSteps)
, m_view3d(view3d)
{
setupUi(this);
setWindowFlags(Qt::Tool/*Qt::Dialog | Qt::WindowStaysOnTopHint*/);
for ( size_t i=0; i<m_videoSteps.size(); ++i )
{
cc2DViewportObject* viewport1 = m_videoSteps[i].interpolator.view1();
stepSelectionList->addItem( viewport1->getName() );
//check if the (1st) viewport has a duration in meta data (from a previous run)
double duration_sec = 2.0;
if (viewport1->hasMetaData(s_stepDurationKey))
{
duration_sec = viewport1->getMetaData(s_stepDurationKey).toDouble();
}
m_videoSteps[i].duration_sec = duration_sec;
}
//read persistent settings
{
QSettings settings;
settings.beginGroup("qAnimation");
QString defaultDir;
#ifdef _MSC_VER
defaultDir = QApplication::applicationDirPath();
#else
defaultDir = QDir::homePath();
#endif
QString lastFilename = settings.value("filename", defaultDir + "/animation.mpg" ).toString();
#ifndef QFFMPEG_SUPPORT
lastFilename = QFileInfo(lastFilename).absolutePath();
#endif
outputFileLineEdit->setText( lastFilename );
settings.endGroup();
}
connect ( fpsSpinBox, SIGNAL( valueChanged(double) ), this, SLOT( onFPSChanged(double) ) );
connect ( totalTimeDoubleSpinBox, SIGNAL( valueChanged(double) ), this, SLOT( onTotalTimeChanged(double) ) );
connect ( stepTimeDoubleSpinBox, SIGNAL( valueChanged(double) ), this, SLOT( onStepTimeChanged(double) ) );
connect ( stepSelectionList, SIGNAL( currentRowChanged(int) ), this, SLOT( onCurrentStepChanged(int) ) );
connect ( browseButton, SIGNAL( clicked() ), this, SLOT( onBrowseButtonClicked() ) );
connect ( previewButton, SIGNAL( clicked() ), this, SLOT( preview() ) );
connect ( renderButton, SIGNAL( clicked() ), this, SLOT( render() ) );
connect ( buttonBox, SIGNAL( accepted() ), this, SLOT( onAccept() ) );
stepSelectionList->setCurrentRow(0); //select the first one by default
onCurrentStepChanged(getCurrentStepIndex());
updateTotalDuration();
}
bool qAnimationDlg::init(const std::vector<cc2DViewportObject*>& viewports)
{
if (viewports.size() < 2)
{
assert(false);
return false;
}
try
{
m_videoSteps.resize(viewports.size());
}
catch (const std::bad_alloc&)
{
//not enough memory
return false;
}
for (size_t i=0; i<viewports.size(); ++i)
{
cc2DViewportObject* vp = viewports[i];
//check if the (1st) viewport has a duration in meta data (from a previous run)
double duration_sec = 2.0;
if (vp->hasMetaData(s_stepDurationKey))
{
duration_sec = vp->getMetaData(s_stepDurationKey).toDouble();
}
bool isChecked = true;
if (vp->hasMetaData(s_stepEnabledKey))
{
isChecked = vp->getMetaData(s_stepEnabledKey).toBool();
}
QString itemName = QString("step %1 (%2)").arg(QString::number(i+1), vp->getName());
QListWidgetItem* item = new QListWidgetItem(itemName, stepSelectionList);
item->setFlags(item->flags() | Qt::ItemIsUserCheckable); // set checkable flag
item->setCheckState(isChecked ? Qt::Checked : Qt::Unchecked); // initialize check state
stepSelectionList->addItem(item);
m_videoSteps[i].viewport = vp;
m_videoSteps[i].duration_sec = duration_sec;
}
connect ( stepSelectionList, SIGNAL( currentRowChanged(int) ), this, SLOT( onCurrentStepChanged(int) ) );
connect ( stepSelectionList, SIGNAL( itemChanged(QListWidgetItem*) ), this, SLOT( onItemChanged(QListWidgetItem*) ) );
stepSelectionList->setCurrentRow(0); //select the first one by default
onCurrentStepChanged(getCurrentStepIndex());
updateTotalDuration();
return true;
}
void qAnimationDlg::onLoopToggled(bool)
{
updateTotalDuration();
onCurrentStepChanged(stepSelectionList->currentRow());
}
void qAnimationDlg::preview()
{
//we'll take the rendering time into account!
QElapsedTimer timer;
timer.start();
setEnabled(false);
size_t vp1 = previewFromSelectedCheckBox->isChecked() ? static_cast<size_t>(getCurrentStepIndex()) : 0;
//count the total number of frames
int frameCount = countFrames(loopCheckBox->isChecked() ? 0 : vp1);
int fps = fpsSpinBox->value();
//show progress dialog
QProgressDialog progressDialog(QString("Frames: %1").arg(frameCount), "Cancel", 0, frameCount, this);
progressDialog.setWindowTitle("Preview");
progressDialog.show();
progressDialog.setModal(true);
progressDialog.setAutoClose(false);
QApplication::processEvents();
assert(stepSelectionList->count() >= m_videoSteps.size());
int frameIndex = 0;
size_t vp2 = 0;
while (getNextSegment(vp1, vp2))
{
Step& step1 = m_videoSteps[vp1];
Step& step2 = m_videoSteps[vp2];
//theoretical waiting time per frame
qint64 delay_ms = static_cast<int>(1000 * step1.duration_sec / fps);
int frameCount = static_cast<int>( fps * step1.duration_sec );
ViewInterpolate interpolator(step1.viewport, step2.viewport);
interpolator.setMaxStep(frameCount);
cc2DViewportObject currentParams;
while ( interpolator.nextView( currentParams ) )
{
timer.restart();
applyViewport ( ¤tParams );
qint64 dt_ms = timer.elapsed();
progressDialog.setValue(++frameIndex);
QApplication::processEvents();
if (progressDialog.wasCanceled())
{
break;
}
//remaining time
if (dt_ms < delay_ms)
{
int wait_ms = static_cast<int>(delay_ms - dt_ms);
#if defined(CC_WINDOWS)
::Sleep( wait_ms );
#else
usleep( wait_ms * 1000 );
#endif
}
}
if (progressDialog.wasCanceled())
{
break;
}
if (vp2 == 0)
{
assert(loopCheckBox->isChecked());
frameIndex = 0;
}
vp1 = vp2;
}
//reset view
onCurrentStepChanged(getCurrentStepIndex());
setEnabled(true);
}