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coriolis
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Fix auto-scaling of the grid over the displayed area. 

* Bug: In CellWidget::drawGrid(), the scaling of grid was never recomputed
    according to the zoom level. So in low zoom, it was too fine and
    hidding everything underneath...
      Now always display between 1 and 10 lines. Lines are put on the
    grid step.
      Makes the grid draw in dotted lines, seems to looks nicer.
This commit is contained in:
Jean-Paul Chaput 2021-11-06 13:41:15 +01:00
parent 95dd4ab8ff
commit f5bfeb3eae
1 changed files with 12 additions and 3 deletions
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15
hurricane/src/viewer/CellWidget.cpp
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@ -370,7 +370,7 @@ namespace Hurricane {
{ {
_normalPen = pen; _normalPen = pen;
_linePen = pen; _linePen = pen;
_linePen.setStyle( Qt::SolidLine ); //_linePen.setStyle( Qt::SolidLine );
#if 0 #if 0
//#if (QT_VERSION == QT_VERSION_CHECK(4,8,5)) //#if (QT_VERSION == QT_VERSION_CHECK(4,8,5))
@ -1841,17 +1841,26 @@ namespace Hurricane {
// _drawingPlanes.select ( PlaneId::Normal ); // _drawingPlanes.select ( PlaneId::Normal );
// _drawingPlanes.begin (); // _drawingPlanes.begin ();
// _drawingPlanes.painter().setClipRect( redrawArea ); // _drawingPlanes.painter().setClipRect( redrawArea );
_drawingPlanes.setPen ( Graphics::getPen (("grid"), getDarkening() )); QPen pen = Graphics::getPen( ("grid"), getDarkening() );
pen.setStyle( Qt::DashLine );
_drawingPlanes.setPen ( pen );
//_drawingPlanes.setPen ( Graphics::getPen (("grid"), getDarkening() ));
_drawingPlanes.setBrush( Graphics::getBrush(("grid"), getDarkening() )); _drawingPlanes.setBrush( Graphics::getBrush(("grid"), getDarkening() ));
Box redrawBox = screenToDbuBox( redrawArea ).inflate( DbU::lambda(1.0) ); Box redrawBox = screenToDbuBox( redrawArea ).inflate( DbU::lambda(1.0) );
//bool detailedGrid = _underDetailedGridThreshold(); //bool detailedGrid = _underDetailedGridThreshold();
DbU::Unit longerSide = std::max( _screenArea.getWidth(), _screenArea.getHeight() );
double scale = std::pow( 10.0
, std::max( 1.0
, std::floor( std::log10( longerSide / _snapGridStep() ))));
DbU::Unit gridStep = ((symbolicMode()) ? 1 : 10) * _snapGridStep(); DbU::Unit gridStep = ((symbolicMode()) ? 1 : 10) * _snapGridStep();
DbU::Unit superGridStep = gridStep*10; DbU::Unit superGridStep = _snapGridStep() * scale;
DbU::Unit xGrid; DbU::Unit xGrid;
DbU::Unit yGrid; DbU::Unit yGrid;
QPoint center; QPoint center;
//cerr << "scale=" << scale << " superGridstep=" << DbU::getValueString(superGridStep) << endl;
#if 0 #if 0
cerr << "CellWidget::drawGrid() step:" << DbU::getValueString(gridStep) cerr << "CellWidget::drawGrid() step:" << DbU::getValueString(gridStep)