void GeoPolygonGraphicsItem::paint( GeoPainter* painter, const ViewportParams* viewport )
{
painter->save();
bool const isBuildingFrame = isDecoration();
bool const isBuildingRoof = !isDecoration() && !decorations().isEmpty();
QPen currentPen = painter->pen();
if ( !style() ) {
painter->setPen( QPen() );
}
else {
if ( !style()->polyStyle().outline() || isBuildingFrame ) {
currentPen.setColor( Qt::transparent );
}
else {
if ( currentPen.color() != style()->lineStyle().paintedColor() ||
currentPen.widthF() != style()->lineStyle().width() ) {
currentPen.setColor( style()->lineStyle().paintedColor() );
currentPen.setWidthF( style()->lineStyle().width() );
}
if ( currentPen.capStyle() != style()->lineStyle().capStyle() )
currentPen.setCapStyle( style()->lineStyle().capStyle() );
if ( currentPen.style() != style()->lineStyle().penStyle() )
currentPen.setStyle( style()->lineStyle().penStyle() );
}
if ( painter->pen() != currentPen )
painter->setPen( currentPen );
if ( !style()->polyStyle().fill() ) {
if ( painter->brush().color() != Qt::transparent )
painter->setBrush( QColor( Qt::transparent ) );
}
else {
if ( isBuildingFrame ) {
painter->setBrush( style()->polyStyle().paintedColor().darker(150) );
} else if ( painter->brush().color() != style()->polyStyle().paintedColor() ) {
QImage textureImage = style()->polyStyle().textureImage();
if( !textureImage.isNull()){
GeoDataCoordinates coords = latLonAltBox().center();
qreal x, y;
viewport->screenCoordinates(coords, x, y);
if (m_cachedTexturePath != style()->polyStyle().texturePath() || m_cachedTextureColor != style()->polyStyle().paintedColor() ) {
m_cachedTexture = QImage ( textureImage.size(), QImage::Format_ARGB32_Premultiplied );
m_cachedTexture.fill(style()->polyStyle().paintedColor());
QPainter imagePainter(&m_cachedTexture );
imagePainter.drawImage(0, 0, textureImage);
imagePainter.end();
m_cachedTexturePath = style()->polyStyle().texturePath();
m_cachedTextureColor = style()->polyStyle().paintedColor();
}
QBrush brush;
brush.setTextureImage(m_cachedTexture);
QTransform transform;
brush.setTransform(transform.translate(x,y));
painter->setBrush(brush);
} else {
painter->setBrush( style()->polyStyle().paintedColor() );
}
}
}
}
if ( isBuildingFrame || isBuildingRoof ) {
bool drawAccurate3D = false;
bool isCameraAboveBuilding = false;
QPointF offsetAtCorner = buildingOffset(QPointF(0, 0), viewport, &isCameraAboveBuilding);
qreal maxOffset = qMax( qAbs( offsetAtCorner.x() ), qAbs( offsetAtCorner.y() ) );
drawAccurate3D = painter->mapQuality() == HighQuality ? maxOffset > 5.0 : maxOffset > 8.0;
// Since subtracting one fully contained polygon from another results in a single
// polygon with a "connecting line" between the inner and outer part we need
// to first paint the inner area with no pen and then the outlines with the correct pen.
QVector<QPolygonF*> outlines;
QVector<QPolygonF*> innerPolygons;
QVector<QPolygonF*> polygons;
bool const hasInnerBoundaries = m_polygon ? !m_polygon->innerBoundaries().isEmpty() : false;
if (m_polygon) {
if (hasInnerBoundaries) {
screenPolygons(viewport, m_polygon, innerPolygons, outlines);
}
viewport->screenCoordinates(m_polygon->outerBoundary(), polygons);
} else if (m_ring) {
viewport->screenCoordinates(*m_ring, polygons);
}
if ( isBuildingFrame ) {
QVector<QPolygonF*> sides = (hasInnerBoundaries && drawAccurate3D && isCameraAboveBuilding) ? outlines : polygons;
foreach(QPolygonF* polygon, sides) {
if (polygon->isEmpty()) {
continue;
}
if ( drawAccurate3D && isCameraAboveBuilding ) {
// draw the building sides
int const size = polygon->size();
QPointF & a = (*polygon)[0];
QPointF shiftA = a + buildingOffset(a, viewport);
for (int i=1; i<size; ++i) {
QPointF const & b = (*polygon)[i];
QPointF const shiftB = b + buildingOffset(b, viewport);
QPolygonF buildingSide = QPolygonF() << a << shiftA << shiftB << b;
if (hasInnerBoundaries) {
//smoothen away our loss of antialiasing due to the QRegion Qt-bug workaround
painter->setPen(QPen(painter->brush().color(), 1.5));
}
painter->drawPolygon(buildingSide);
a = b;
shiftA = shiftB;
}
} else {
// don't draw the building sides - just draw the base frame instead
if (hasInnerBoundaries) {
QRegion clip(polygon->toPolygon());
foreach(QPolygonF* clipPolygon, innerPolygons) {
clip-=QRegion(clipPolygon->toPolygon());
}
painter->setClipRegion(clip);
}
painter->drawPolygon(*polygon);
}
}
} else if (isBuildingRoof) {
void GeoLineStringGraphicsItem::paint( GeoPainter* painter, const ViewportParams* viewport )
{
LabelPositionFlags labelPositionFlags = NoLabel;
painter->save();
QPen currentPen = painter->pen();
if ( !style() ) {
painter->setPen( QPen() );
}
else {
if ( currentPen.color() != style()->lineStyle().paintedColor() )
currentPen.setColor( style()->lineStyle().paintedColor() );
if ( currentPen.widthF() != style()->lineStyle().width() ||
style()->lineStyle().physicalWidth() != 0.0 ) {
if ( float( viewport->radius() ) / EARTH_RADIUS * style()->lineStyle().physicalWidth() < style()->lineStyle().width() )
currentPen.setWidthF( style()->lineStyle().width() );
else
currentPen.setWidthF( float( viewport->radius() ) / EARTH_RADIUS * style()->lineStyle().physicalWidth() );
}
else if ( style()->lineStyle().width() != 0.0 ) {
currentPen.setWidthF( style()->lineStyle().width() );
}
if ( currentPen.capStyle() != style()->lineStyle().capStyle() )
currentPen.setCapStyle( style()->lineStyle().capStyle() );
if ( currentPen.style() != style()->lineStyle().penStyle() )
currentPen.setStyle( style()->lineStyle().penStyle() );
if ( style()->lineStyle().penStyle() == Qt::CustomDashLine )
currentPen.setDashPattern( style()->lineStyle().dashPattern() );
if ( painter->mapQuality() != Marble::HighQuality
&& painter->mapQuality() != Marble::PrintQuality ) {
QColor penColor = currentPen.color();
penColor.setAlpha( 255 );
currentPen.setColor( penColor );
}
if ( painter->pen() != currentPen )
painter->setPen( currentPen );
if ( style()->lineStyle().background() ) {
QBrush brush = painter->background();
brush.setColor( style()->polyStyle().paintedColor() );
painter->setBackground( brush );
painter->setBackgroundMode( Qt::OpaqueMode );
}
// label styles
painter->setFont( style()->labelStyle().font() );
switch ( style()->labelStyle().alignment() ) {
case GeoDataLabelStyle::Corner:
case GeoDataLabelStyle::Right:
labelPositionFlags |= LineStart;
break;
case GeoDataLabelStyle::Center:
labelPositionFlags |= LineCenter;
break;
}
}
if ( ! ( isDecoration() && currentPen.widthF() < 2.5f ) )
{
if( style()->lineStyle().cosmeticOutline() &&
style()->lineStyle().penStyle() == Qt::SolidLine ) {
if ( isDecoration() ) {
painter->drawPolyline( *m_lineString, "", NoLabel );
} else {
if ( currentPen.widthF() > 2.5f ) {
currentPen.setWidthF( currentPen.widthF() - 2.0f );
}
currentPen.setColor( style()->polyStyle().paintedColor() );
painter->setPen( currentPen );
painter->drawPolyline( *m_lineString, feature()->name(), FollowLine,
style()->labelStyle().paintedColor(),
style()->labelStyle().font());
}
} else {
painter->drawPolyline( *m_lineString, feature()->name(), labelPositionFlags );
}
}
painter->restore();
}
