int GradientStopEditor::moveStop( int stop, int newStopValue, qreal newStopPosition )
{
if( ( stop < 0 ) || ( stop >= values.size() ) )
return -1;
if( newStopValue < 0 )
newStopValue = 0;
if( newStopValue > 255 )
newStopValue = 255;
if( stop != 0 && stop != ( values.size() - 1 ) )
{
if( newStopPosition < 0 )
newStopPosition = 0;
if( newStopPosition > 1.0 )
newStopPosition = 1.0;
}
else
newStopPosition = positions[ stop ];
if( ( stop == 0 ) || ( stop == ( values.size() - 1 ) ) )
{
values[ stop ] = newStopValue;
if( stopChannel == composite )
generateBackground( true );
update();
emit stopMoved( stop, newStopValue, newStopPosition, stop );
return stop;
}
values.remove( stop );
positions.remove( stop );
int newIndex = addStop( newStopValue, newStopPosition, false );
if( currentMovedStop == stop )
currentMovedStop = newIndex;
emit stopMoved( stop, newStopValue, newStopPosition, newIndex );
if( stopChannel == composite )
generateBackground( true );
update();
return newIndex;
}
void QtGradientStopsModel::moveStop(QtGradientStop *stop, qreal newPos)
{
if (!d_ptr->m_stopToPos.contains(stop))
return;
if (d_ptr->m_posToStop.contains(newPos))
return;
if (newPos > 1.0)
newPos = 1.0;
else if (newPos < 0.0)
newPos = 0.0;
emit stopMoved(stop, newPos);
const qreal oldPos = stop->position();
stop->setPosition(newPos);
d_ptr->m_stopToPos[stop] = newPos;
d_ptr->m_posToStop.remove(oldPos);
d_ptr->m_posToStop[newPos] = stop;
}