void SkyQPainter::drawPointSource(const QPointF& pos, float size, char sp)
{
int isize = qMin(static_cast<int>(size), 14);
if( !m_vectorStars || starColorMode == 0 ) {
// Draw stars as bitmaps, either because we were asked to, or because we're painting real colors
QPixmap* im = imageCache[ harvardToIndex(sp) ][isize];
float offset = 0.5 * im->width();
drawPixmap( QPointF(pos.x()-offset, pos.y()-offset), *im );
}
else {
// Draw stars as vectors, for better printing / SVG export etc.
if ( starColorMode != 4 ) {
setPen( m_starColor );
setBrush( m_starColor );
}
else {
// Note: This is not efficient, but we use vector stars only when plotting SVG, not when drawing the skymap, so speed is not very important.
QColor c = ColorMap.value( sp, Qt::white );
setPen( c );
setBrush( c );
}
// Be consistent with old raster representation
if( size > 14 )
size = 14;
if( size >= 2 )
drawEllipse( pos.x() - 0.5 * size, pos.y() - 0.5 * size, int(size), int(size) );
else if( size >= 1 )
drawPoint( pos.x(), pos.y() );
}
}
void SkyQPainter::drawPointSource(const QPointF& pos, float size, char sp)
{
int isize = qMin(static_cast<int>(size), 14);
if( !m_vectorStars || ( starColorMode <=0 || starColorMode > 3 ) ) {
// Draw stars as bitmaps, either because we were asked to, or because we're painting real colors
QPixmap* im = imageCache[ harvardToIndex(sp) ][isize];
float offset = 0.5 * im->width();
drawPixmap( QPointF(pos.x()-offset, pos.y()-offset), *im );
}
else {
// Draw stars as vectors, for better printing / SVG export etc.
static QColor color; // FIXME: This slows down things a bit, but we won't care because we're not painting the SkyMap this way anyway.
switch( Options::starColorMode() ) {
case 1:
color = QColor::fromRgb(255, 0, 0);
break;
case 2:
color = QColor::fromRgb(0, 0, 0);
break;
case 3:
color = QColor::fromRgb(255, 255, 255);
break;
default:
Q_ASSERT( false );
}
setPen( color );
setBrush( color );
// Be consistent with old raster representation
if( size > 14 )
size = 14;
if( size >= 2 )
drawEllipse( pos.x() - 0.5 * size, pos.y() - 0.5 * size, int(size), int(size) );
else if( size >= 1 )
drawPoint( pos.x(), pos.y() );
}
}
void SkyQPainter::initStarImages()
{
QMap<char, QColor> ColorMap;
const int starColorIntensity = Options::starColorIntensity();
switch( Options::starColorMode() ) {
case 1: // Red stars.
ColorMap.insert( 'O', QColor::fromRgb( 255, 0, 0 ) );
ColorMap.insert( 'B', QColor::fromRgb( 255, 0, 0 ) );
ColorMap.insert( 'A', QColor::fromRgb( 255, 0, 0 ) );
ColorMap.insert( 'F', QColor::fromRgb( 255, 0, 0 ) );
ColorMap.insert( 'G', QColor::fromRgb( 255, 0, 0 ) );
ColorMap.insert( 'K', QColor::fromRgb( 255, 0, 0 ) );
ColorMap.insert( 'M', QColor::fromRgb( 255, 0, 0 ) );
break;
case 2: // Black stars.
ColorMap.insert( 'O', QColor::fromRgb( 0, 0, 0 ) );
ColorMap.insert( 'B', QColor::fromRgb( 0, 0, 0 ) );
ColorMap.insert( 'A', QColor::fromRgb( 0, 0, 0 ) );
ColorMap.insert( 'F', QColor::fromRgb( 0, 0, 0 ) );
ColorMap.insert( 'G', QColor::fromRgb( 0, 0, 0 ) );
ColorMap.insert( 'K', QColor::fromRgb( 0, 0, 0 ) );
ColorMap.insert( 'M', QColor::fromRgb( 0, 0, 0 ) );
break;
case 3: // White stars
ColorMap.insert( 'O', QColor::fromRgb( 255, 255, 255 ) );
ColorMap.insert( 'B', QColor::fromRgb( 255, 255, 255 ) );
ColorMap.insert( 'A', QColor::fromRgb( 255, 255, 255 ) );
ColorMap.insert( 'F', QColor::fromRgb( 255, 255, 255 ) );
ColorMap.insert( 'G', QColor::fromRgb( 255, 255, 255 ) );
ColorMap.insert( 'K', QColor::fromRgb( 255, 255, 255 ) );
ColorMap.insert( 'M', QColor::fromRgb( 255, 255, 255 ) );
case 0: // Real color
default: // And use real color for everything else
ColorMap.insert( 'O', QColor::fromRgb( 0, 0, 255 ) );
ColorMap.insert( 'B', QColor::fromRgb( 0, 200, 255 ) );
ColorMap.insert( 'A', QColor::fromRgb( 0, 255, 255 ) );
ColorMap.insert( 'F', QColor::fromRgb( 200, 255, 100 ) );
ColorMap.insert( 'G', QColor::fromRgb( 255, 255, 0 ) );
ColorMap.insert( 'K', QColor::fromRgb( 255, 100, 0 ) );
ColorMap.insert( 'M', QColor::fromRgb( 255, 0, 0 ) );
}
foreach( char color, ColorMap.keys() ) {
QPixmap BigImage( 15, 15 );
BigImage.fill( Qt::transparent );
QPainter p;
p.begin( &BigImage );
if ( Options::starColorMode() == 0 ) {
qreal h, s, v, a;
p.setRenderHint( QPainter::Antialiasing, false );
QColor starColor = ColorMap[color];
starColor.getHsvF(&h, &s, &v, &a);
for (int i = 0; i < 8; i++ ) {
for (int j = 0; j < 8; j++ ) {
qreal x = i - 7;
qreal y = j - 7;
qreal dist = sqrt( x*x + y*y ) / 7.0;
starColor.setHsvF(h,
qMin( qreal(1), dist < (10-starColorIntensity)/10.0 ? 0 : dist ),
v,
qMax( qreal(0), dist < (10-starColorIntensity)/20.0 ? 1 : 1-dist ) );
p.setPen( starColor );
p.drawPoint( i, j );
p.drawPoint( 14-i, j );
p.drawPoint( i, 14-j );
p.drawPoint (14-i, 14-j);
}
}
} else {
p.setRenderHint(QPainter::Antialiasing, true );
p.setPen( QPen(ColorMap[color], 2.0 ) );
p.setBrush( p.pen().color() );
p.drawEllipse( QRectF( 2, 2, 10, 10 ) );
}
p.end();
// Cache array slice
QPixmap** pmap = imageCache[ harvardToIndex(color) ];
for( int size = 1; size < nStarSizes; size++ ) {
if( !pmap[size] )
pmap[size] = new QPixmap();
*pmap[size] = BigImage.scaled( size, size, Qt::KeepAspectRatio, Qt::SmoothTransformation );
}
}
starColorMode = Options::starColorMode();
}
