82 lines
2.3 KiB
C++
82 lines
2.3 KiB
C++
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/******************************************************************************
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* QSkinny - Copyright (C) 2016 Uwe Rathmann
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* SPDX-License-Identifier: BSD-3-Clause
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*****************************************************************************/
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#include "QskPlotGridSkinlet.h"
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#include "QskPlotGrid.h"
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#include "QskStippleMetrics.h"
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#include <QskSGNode.h>
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#include <QskIntervalF.h>
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#include <QskLinesNode.h>
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#include <qpen.h>
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QskPlotGridSkinlet::QskPlotGridSkinlet( QskSkin* skin )
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: Inherited( skin )
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{
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setNodeRoles( { MinorGrid, MajorGrid } );
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}
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QskPlotGridSkinlet::~QskPlotGridSkinlet()
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{
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}
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QSGNode* QskPlotGridSkinlet::updateSubNode(
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const QskSkinnable* skinnable, quint8 nodeRole, QSGNode* node ) const
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{
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using Q = QskPlotGrid;
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if ( nodeRole == MinorGrid )
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return updateGridNode( skinnable, Q::MinorLine, node );
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if ( nodeRole == MajorGrid )
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return updateGridNode( skinnable, Q::MajorLine, node );
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return Inherited::updateSubNode( skinnable, nodeRole, node );
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}
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QSGNode* QskPlotGridSkinlet::updateGridNode( const QskSkinnable* skinnable,
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QskAspect::Subcontrol subControl, QSGNode* node ) const
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{
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using Q = QskPlotGrid;
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const auto gridType =
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( subControl == Q::MinorLine ) ? Q::MinorGrid : Q::MajorGrid;
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auto grid = static_cast< const QskPlotGrid* >( skinnable );
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const auto r = grid->scaleRect();
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if ( r.isEmpty() )
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return nullptr;
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const auto stipple = grid->stippleMetricsHint( subControl );
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if ( !stipple.isValid() )
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return nullptr;
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const auto lineColor = grid->color( subControl );
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if ( !lineColor.isValid() || lineColor.alpha() == 0 )
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return nullptr;
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const auto lineWidth = grid->metric( subControl | QskAspect::Size );
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if ( lineWidth <= 0 )
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return nullptr;
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const auto xValues = grid->lines( gridType, Qt::Vertical );
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const auto yValues = grid->lines( gridType, Qt::Horizontal );
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if ( xValues.isEmpty() && yValues.isEmpty() )
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return nullptr;
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auto gridNode = QskSGNode::ensureNode< QskLinesNode >( node );
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gridNode->setPixelAlignment( Qt::Horizontal | Qt::Vertical );
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gridNode->updateGrid( lineColor, lineWidth,
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stipple, grid->transformation(), r, xValues, yValues );
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return gridNode;
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}
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#include "moc_QskPlotGridSkinlet.cpp"
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