bool QuartzHandler::reset(unsigned long changed)
{
quartz_initialized = false;
freePixmaps();
readConfig();
createPixmaps();
quartz_initialized = true;
// Do we need to "hit the wooden hammer" ?
bool needHardReset = true;
if(changed & SettingColors)
{
needHardReset = false;
}
else if(changed & SettingButtons)
{
// handled by KCommonDecoration
needHardReset = false;
}
if(needHardReset)
{
return true;
}
else
{
resetDecorations(changed);
return false;
}
return true;
}
QuartzHandler::QuartzHandler()
{
quartz_initialized = false;
readConfig();
createPixmaps();
quartz_initialized = true;
}
Pixmap PixmapCycler::next()
{
// The first time, call the createPixmaps() function
// implemented by the derived class to create the pixmaps
if ( _current == INVALID )
{
createPixmaps();
_current = 0; // Initialize to the first pixmap
}
// If the counter is larger than the index of the
// last pixmap, roll it over and restart with zero
if ( _current >= _numPixmaps )
_current = 0;
// Return the current pixmap and increment the counter
return _pixmapList[_current++];
}
void Waveform::initialize(const QAudioFormat &format, qint64 audioBufferSize, qint64 windowDurationUs)
{
WAVEFORM_DEBUG << "Waveform::initialize"
<< "audioBufferSize" << audioBufferSize
<< "windowDurationUs" << windowDurationUs;
reset();
m_format = format;
// Calculate tile size
m_tileLength = audioBufferSize;
// Calculate window size
m_windowLength = audioLength(m_format, windowDurationUs);
// Calculate number of tiles required
int nTiles;
if (m_tileLength > m_windowLength) {
nTiles = 2;
} else {
nTiles = m_windowLength / m_tileLength + 1;
if (m_windowLength % m_tileLength)
++nTiles;
}
WAVEFORM_DEBUG << "Waveform::initialize"
<< "tileLength" << m_tileLength
<< "windowLength" << m_windowLength
<< "nTiles" << nTiles;
m_pixmaps.fill(0, nTiles);
m_tiles.resize(nTiles);
createPixmaps(rect().size());
m_active = true;
}
void Waveform::resizeEvent(QResizeEvent *event)
{
if (event->size() != event->oldSize())
createPixmaps(event->size());
}
