bool AudioCdTrackReader::seek( qint64 pos )
{
if( d->cdParanoiaLib && d->initialized ) {
Msf msfPos = Msf::fromAudioBytes( pos );
const int start = d->source.toc()[d->source.cdTrackNumber()-1].firstSector().lba();
d->cdParanoiaLib->initReading( start + d->source.startOffset().lba() + msfPos.lba(),
start + d->source.lastSector().lba() );
return QIODevice::seek( pos );
}
else {
return false;
}
}
void K3b::FillStatusDisplayWidget::paintEvent( QPaintEvent* )
{
QPainter p( this );
const QPalette::ColorGroup colorGroup = isEnabled() ? QPalette::Normal : QPalette::Disabled;
const Msf docSize = d->doc->length();
const Msf cdSize = d->cdSize;
const Msf maxValue = (cdSize > docSize ? cdSize : docSize) + ( 10*60*75 );
const Msf tolerance = 60*75;
QBrush fillBrush;
if( docSize <= cdSize - tolerance ) {
fillBrush = KColorScheme( colorGroup, KColorScheme::Selection ).background( KColorScheme::PositiveBackground );
}
else if( docSize > cdSize + tolerance ) {
fillBrush = KColorScheme( colorGroup, KColorScheme::Selection ).background( KColorScheme::NegativeBackground );
}
else {
fillBrush = KColorScheme( colorGroup, KColorScheme::Selection ).background( KColorScheme::NeutralBackground );
}
const QPen normalPen = KColorScheme( colorGroup, KColorScheme::Window ).foreground( KColorScheme::NormalText ).color();
const QPen fillPen = KColorScheme( colorGroup, KColorScheme::Selection ).foreground( KColorScheme::NormalText ).color();
QStyleOptionProgressBarV2 sopb;
sopb.direction = layoutDirection();
sopb.fontMetrics = fontMetrics();
sopb.palette = palette();
sopb.palette.setBrush( QPalette::Highlight, fillBrush );
sopb.rect = rect();
sopb.state = isEnabled() ? QStyle::State_Enabled : QStyle::State_None;
sopb.minimum = 0;
sopb.maximum = maxValue.totalFrames();
sopb.progress = docSize.totalFrames();
style()->drawControl( QStyle::CE_ProgressBar, &sopb, &p );
const QRect barRect = style()->subElementRect( QStyle::SE_ProgressBarContents, &sopb );
// so split width() in maxValue pieces
double one = (double)barRect.width() / (double)maxValue.totalFrames();
QRect crect( barRect );
crect.setWidth( (int)(one*(double)docSize.totalFrames()) );
// ====================================================================================
// Now the colored bar is painted
// Continue with the texts
// ====================================================================================
// first we determine the text to display
// ====================================================================================
QString docSizeText;
if( d->showTime )
docSizeText = i18n("%1 min", d->doc->length().toString(false));
else
docSizeText = KIO::convertSize( d->doc->size() );
QString overSizeText;
if( d->cdSize.mode1Bytes() >= d->doc->size() )
overSizeText = i18n("Available: %1 of %2",
d->showTime
? i18n("%1 min", (cdSize - d->doc->length()).toString(false) )
: KIO::convertSize( (cdSize - d->doc->length()).mode1Bytes() ),
d->showTime
? i18n("%1 min", cdSize.toString(false))
: KIO::convertSize( cdSize.mode1Bytes() ) );
else
overSizeText = i18n("Capacity exceeded by %1",
d->showTime
? i18n("%1 min", (d->doc->length() - cdSize ).toString(false))
: KIO::convertSize( (long long)d->doc->size() - cdSize.mode1Bytes() ) );
// ====================================================================================
// calculate the medium size marker
// ====================================================================================
int mediumSizeMarkerPos = barRect.left() + (int)(one*cdSize.lba());
QPoint mediumSizeMarkerFrom( mediumSizeMarkerPos, barRect.bottom() );
QPoint mediumSizeMarkerTo( mediumSizeMarkerPos, barRect.top() + barRect.height()/2 );
// ====================================================================================
// we want to draw the docSizeText centered in the filled area
// if there is not enough space we just align it left
// ====================================================================================
int docSizeTextPos = 0;
int docSizeTextLength = fontMetrics().width(docSizeText);
if( docSizeTextLength + 5 > crect.width() ) {
docSizeTextPos = crect.left() + 5; // a little margin
}
else {
docSizeTextPos = ( crect.width() - docSizeTextLength ) / 2;
// make sure the text does not cross the medium size marker
if( docSizeTextPos <= mediumSizeMarkerPos && mediumSizeMarkerPos <= docSizeTextPos + docSizeTextLength )
docSizeTextPos = qMax( crect.left() + 5, mediumSizeMarkerPos - docSizeTextLength - 5 );
}
// ====================================================================================
// calculate the over size text
// ====================================================================================
QFont overSizeFont(font());
overSizeFont.setPointSize( qMax( 8, overSizeFont.pointSize()-4 ) );
overSizeFont.setBold(false);
QRect overSizeTextRect( barRect );
int overSizeTextLength = QFontMetrics(overSizeFont).width(overSizeText);
if( overSizeTextLength + 5 > overSizeTextRect.width() - (int)(one*cdSize.totalFrames()) ) {
// we don't have enough space on the right, so we paint to the left of the line
overSizeTextRect.setLeft( (int)(one*cdSize.totalFrames()) - overSizeTextLength - 5 );
}
else {
overSizeTextRect.setLeft( mediumSizeMarkerPos + 5 );
}
// make sure the two text do not overlap (this does not cover all cases though)
if( overSizeTextRect.left() < docSizeTextPos + docSizeTextLength )
docSizeTextPos = qMax( crect.left() + 5, qMin( overSizeTextRect.left() - docSizeTextLength - 5, mediumSizeMarkerPos - docSizeTextLength - 5 ) );
QRect docTextRect( barRect );
docTextRect.setLeft( docSizeTextPos );
// Draw the fill part
p.setPen( fillPen );
p.setClipRect( QStyle::visualRect( layoutDirection(), barRect, crect ) );
p.drawLine( QStyle::visualPos( layoutDirection(), barRect, mediumSizeMarkerFrom ),
QStyle::visualPos( layoutDirection(), barRect, mediumSizeMarkerTo ) );
p.drawText( QStyle::visualRect( layoutDirection(), barRect, docTextRect ),
QStyle::visualAlignment( layoutDirection(), Qt::AlignLeft | Qt::AlignVCenter ), docSizeText );
p.setFont(overSizeFont);
p.drawText( QStyle::visualRect( layoutDirection(), barRect, overSizeTextRect ),
QStyle::visualAlignment( layoutDirection(), Qt::AlignLeft | Qt::AlignVCenter ), overSizeText );
// Draw the remain part
p.setPen( normalPen );
p.setClipRect( QStyle::visualRect( layoutDirection(), barRect,
QRect( crect.right(), barRect.top(), barRect.width()-crect.width(), barRect.height() ) ) );
p.drawLine( QStyle::visualPos( layoutDirection(), barRect, mediumSizeMarkerFrom ),
QStyle::visualPos( layoutDirection(), barRect, mediumSizeMarkerTo ) );
p.setFont( font() );
p.drawText( QStyle::visualRect( layoutDirection(), barRect, docTextRect ),
QStyle::visualAlignment( layoutDirection(), Qt::AlignLeft | Qt::AlignVCenter ), docSizeText );
p.setFont(overSizeFont);
p.drawText( QStyle::visualRect( layoutDirection(), barRect, overSizeTextRect ),
QStyle::visualAlignment( layoutDirection(), Qt::AlignLeft | Qt::AlignVCenter ), overSizeText );
// ====================================================================================
}
bool K3b::IsOverburnAllowed( const Msf& projectSize, const Msf& capacity, const Msf& usedCapacity )
{
return( k3bcore->globalSettings()->overburn() &&
(projectSize + usedCapacity) <= ( capacity.lba() + capacity.lba() / 4 ) ); // 25% tolerance in overburn mode
}