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Drop unused parameters from private methods, indentation update
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Sandro Santilli committed Jan 15, 2015
1 parent 0c767ad commit cd77256
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Showing 2 changed files with 21 additions and 23 deletions.
40 changes: 19 additions & 21 deletions src/app/qgsdecorationgrid.cpp
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Expand Up @@ -218,15 +218,13 @@ void QgsDecorationGrid::render( QPainter * p )
// p->setPen( mGridPen );

QList< QPair< double, QLineF > > verticalLines;
yGridLines( verticalLines, p );
QList< QPair< double, QLineF > >::const_iterator vIt = verticalLines.constBegin();
yGridLines( verticalLines );
QList< QPair< double, QLineF > > horizontalLines;
xGridLines( horizontalLines, p );
xGridLines( horizontalLines );
//QgsDebugMsg( QString("grid has %1 vertical and %2 horizontal lines").arg( verticalLines.size() ).arg( horizontalLines.size() ) );
QList< QPair< double, QLineF > >::const_iterator hIt = horizontalLines.constBegin();

// QRectF thisPaintRect = QRectF( 0, 0, QGraphicsRectItem::rect().width(), QGraphicsRectItem::rect().height() );
// p->setClipRect( thisPaintRect );
QList< QPair< double, QLineF > >::const_iterator vIt = verticalLines.constBegin();
QList< QPair< double, QLineF > >::const_iterator hIt = horizontalLines.constBegin();

//simpler approach: draw vertical lines first, then horizontal ones
if ( mGridStyle == QgsDecorationGrid::Line )
Expand Down Expand Up @@ -529,15 +527,15 @@ QPolygonF canvasPolygon()
const QSize& sz = mapSettings.outputSize();
const QgsMapToPixel& m2p = mapSettings.mapToPixel();

poly << m2p.toMapCoordinatesF( 0, 0 ).toQPointF();
poly << m2p.toMapCoordinatesF( sz.width(), 0 ).toQPointF();
poly << m2p.toMapCoordinatesF( 0, 0 ).toQPointF();
poly << m2p.toMapCoordinatesF( sz.width(), 0 ).toQPointF();
poly << m2p.toMapCoordinatesF( sz.width(), sz.height() ).toQPointF();
poly << m2p.toMapCoordinatesF( 0, sz.height() ).toQPointF();

return poly;
}

bool clipByRect(QLineF& line, const QPolygonF& rect)
bool clipByRect( QLineF& line, const QPolygonF& rect )
{
QVector<QLineF> borderLines;
borderLines << QLineF( rect.at( 0 ), rect.at( 1 ) );
Expand Down Expand Up @@ -576,7 +574,7 @@ QPolygonF canvasExtent()
return poly;
}

int QgsDecorationGrid::xGridLines( QList< QPair< double, QLineF > >& lines, QPainter * p ) const
int QgsDecorationGrid::xGridLines( QList< QPair< double, QLineF > >& lines ) const
{
// prepare horizontal lines
lines.clear();
Expand All @@ -598,11 +596,11 @@ int QgsDecorationGrid::xGridLines( QList< QPair< double, QLineF > >& lines, QPai
const QPolygonF& canvasPoly = canvasPolygon();
const QPolygonF& mapPolygon = canvasExtent();
const QRectF& mapBoundingRect = mapPolygon.boundingRect();
QLineF lineEast ( mapPolygon[2], mapPolygon[1] );
QLineF lineWest ( mapPolygon[3], mapPolygon[0] );
QLineF lineEast( mapPolygon[2], mapPolygon[1] );
QLineF lineWest( mapPolygon[3], mapPolygon[0] );

double len = lineEast.length();
Q_ASSERT( fabs(len - lineWest.length()) < 1e-6 ); // no shear
Q_ASSERT( fabs( len - lineWest.length() ) < 1e-6 ); // no shear

double roundCorrection = mapBoundingRect.top() > 0 ? 1.0 : 0.0;
double dist = ( int )(( mapBoundingRect.top() - mGridOffsetY ) / mGridIntervalY + roundCorrection ) * mGridIntervalY + mGridOffsetY;
Expand All @@ -613,16 +611,16 @@ int QgsDecorationGrid::xGridLines( QList< QPair< double, QLineF > >& lines, QPai
QPointF p0 = lineWest.pointAt( t );
QPointF p1 = lineEast.pointAt( t );
QLineF line( p0, p1 );
clipByRect(line, canvasPoly);
line = QLineF( m2p.transform(QgsPoint(line.pointAt(0))).toQPointF(), m2p.transform(QgsPoint(line.pointAt(1))).toQPointF() );
clipByRect( line, canvasPoly );
line = QLineF( m2p.transform( QgsPoint( line.pointAt( 0 ) ) ).toQPointF(), m2p.transform( QgsPoint( line.pointAt( 1 ) ) ).toQPointF() );
lines.push_back( qMakePair( p0.y(), line ) );
dist += mGridIntervalY;
}

return 0;
}

int QgsDecorationGrid::yGridLines( QList< QPair< double, QLineF > >& lines, QPainter * p ) const
int QgsDecorationGrid::yGridLines( QList< QPair< double, QLineF > >& lines ) const
{
// prepare vertical lines

Expand All @@ -644,11 +642,11 @@ int QgsDecorationGrid::yGridLines( QList< QPair< double, QLineF > >& lines, QPai

const QPolygonF& canvasPoly = canvasPolygon();
const QPolygonF& mapPolygon = canvasExtent();
QLineF lineSouth ( mapPolygon[3], mapPolygon[2] );
QLineF lineNorth ( mapPolygon[0], mapPolygon[1] );
QLineF lineSouth( mapPolygon[3], mapPolygon[2] );
QLineF lineNorth( mapPolygon[0], mapPolygon[1] );

double len = lineSouth.length();
Q_ASSERT( fabs(len - lineNorth.length()) < 1e-6 ); // no shear
Q_ASSERT( fabs( len - lineNorth.length() ) < 1e-6 ); // no shear

const QRectF& mapBoundingRect = mapPolygon.boundingRect();
double roundCorrection = mapBoundingRect.left() > 0 ? 1.0 : 0.0;
Expand All @@ -660,8 +658,8 @@ int QgsDecorationGrid::yGridLines( QList< QPair< double, QLineF > >& lines, QPai
QPointF p0( lineNorth.pointAt( t ) );
QPointF p1( lineSouth.pointAt( t ) );
QLineF line( p0, p1 );
clipByRect(line, canvasPoly);
line = QLineF( m2p.transform(QgsPoint(line.pointAt(0))).toQPointF(), m2p.transform(QgsPoint(line.pointAt(1))).toQPointF() );
clipByRect( line, canvasPoly );
line = QLineF( m2p.transform( QgsPoint( line.pointAt( 0 ) ) ).toQPointF(), m2p.transform( QgsPoint( line.pointAt( 1 ) ) ).toQPointF() );
lines.push_back( qMakePair( p0.x(), line ) );
dist += mGridIntervalX;
}
Expand Down
4 changes: 2 additions & 2 deletions src/app/qgsdecorationgrid.h
View file
Expand Up @@ -209,10 +209,10 @@ class APP_EXPORT QgsDecorationGrid: public QgsDecorationItem
void drawAnnotation( QPainter* p, const QPointF& pos, int rotation, const QString& annotationText );
/**Returns the grid lines with associated coordinate value
@return 0 in case of success*/
int xGridLines( QList< QPair< double, QLineF > >& lines, QPainter* p ) const;
int xGridLines( QList< QPair< double, QLineF > >& lines ) const;
/**Returns the grid lines for the y-coordinates. Not vertical in case of rotation
@return 0 in case of success*/
int yGridLines( QList< QPair< double, QLineF > >& lines, QPainter* p ) const;
int yGridLines( QList< QPair< double, QLineF > >& lines ) const;
/**Returns the item border of a point (in item coordinates)*/
Border borderForLineCoord( const QPointF& point, QPainter* p ) const;

Expand Down

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