void ThumbFinder::updateThumb(void)
{
int itemNo = m_imageGrid->GetCurrentPos();
MythUIButtonListItem *item = m_imageGrid->GetItemCurrent();
ThumbImage *thumb = m_thumbList.at(itemNo);
if (!thumb)
return;
// copy current frame image to the selected thumb image
QString imageFile = thumb->filename;
QFile dst(imageFile);
QFile src(m_frameFile);
copy(dst, src);
item->SetImage(imageFile, "", true);
// update the image grid item
int64_t pos = (int) ((m_currentPTS - m_startPTS) / m_frameTime);
thumb->frame = pos - m_offset;
if (itemNo != 0)
{
thumb->caption = frameToTime(thumb->frame);
item->SetText(thumb->caption);
}
m_imageGrid->SetRedraw();
}
/******************************************************************************
* Timer callback used during animation playback.
******************************************************************************/
void AnimationSettings::onPlaybackTimer()
{
// Check if the animation playback has been deactivated in the meantime.
if(!_isPlaybackActive)
return;
// Add one frame to current time
int newFrame = timeToFrame(time()) + 1;
TimePoint newTime = frameToTime(newFrame);
// Loop back to first frame if end has been reached.
if(newTime > animationInterval().end())
newTime = animationInterval().start();
// Set new time.
setTime(newTime);
// Wait until the scene is ready. Then jump to the next frame.
dataset()->runWhenSceneIsReady([this]() {
if(_isPlaybackActive) {
_isPlaybackActive = false;
startAnimationPlayback();
}
});
}
/******************************************************************************
* Jumps to the previous animation frame.
******************************************************************************/
void AnimationSettings::jumpToNextFrame()
{
// Subtract one frame from current time.
TimePoint newTime = frameToTime(timeToFrame(time()) + 1);
// Clamp new time
newTime = std::min(newTime, animationInterval().end());
// Set new time.
setTime(newTime);
}
/******************************************************************************
* Jumps to the previous animation frame.
******************************************************************************/
void AnimationSettings::jumpToPreviousFrame()
{
// Subtract one frame from current time.
TimePoint newTime = frameToTime(timeToFrame(time()) - 1);
// Clamp new time
newTime = std::max(newTime, animationInterval().start());
// Set new time.
setTime(newTime);
}
/******************************************************************************
* Converts a string to a time value.
* Throws an exception when a parsing error occurs.
******************************************************************************/
TimePoint AnimationSettings::stringToTime(const QString& stringValue)
{
TimePoint value;
bool ok;
value = (TimePoint)stringValue.toInt(&ok);
if(!ok)
throw Exception(tr("Invalid frame number format: %1").arg(stringValue));
return frameToTime(value);
}
void ThumbFinder::updateCurrentPos()
{
int64_t pos = m_currentPTS - m_firstIFramePTS;
int64_t frame = pos / m_frameTime;
if (m_currentPosText)
m_currentPosText->SetText(frameToTime(frame, true));
updatePositionBar(frame);
}
