Add files from zip

2023-10-31 09:22:42 +01:00
parent 6bacdc5f6d
commit 4dae68036f
2788 changed files with 492537 additions and 0 deletions
--- a/playground/curvetracker/Plot.cpp
+++ b/playground/curvetracker/Plot.cpp
@@ -0,0 +1,112 @@
+/*****************************************************************************
+ * Qwt Examples - Copyright (C) 2002 Uwe Rathmann
+ * This file may be used under the terms of the 3-clause BSD License
+ *****************************************************************************/
+
+#include "Plot.h"
+#include "CurveTracker.h"
+
+#include <QwtPickerMachine>
+#include <QwtPlotCanvas>
+#include <QwtPlotGrid>
+#include <QwtPlotTextLabel>
+#include <QwtPlotZoneItem>
+#include <QwtPlotCurve>
+#include <QwtPlotLayout>
+#include <QwtScaleWidget>
+#include <QwtSymbol>
+
+Plot::Plot( QWidget* parent )
+    : QwtPlot( parent)
+{
+    setPalette( Qt::black );
+
+    // we want to have the axis scales like a frame around the
+    // canvas
+    plotLayout()->setAlignCanvasToScales( true );
+    for ( int axisPos = 0; axisPos < QwtAxis::AxisPositions; axisPos++ )
+        axisWidget( axisPos )->setMargin( 0 );
+
+    QwtPlotCanvas* canvas = new QwtPlotCanvas();
+    canvas->setAutoFillBackground( false );
+    canvas->setFrameStyle( QFrame::NoFrame );
+    setCanvas( canvas );
+
+    setAxisScale( QwtAxis::YLeft, 0.0, 10.0 );
+
+    // a title
+    QwtText title( "Picker Demo" );
+    title.setColor( Qt::white );
+    title.setRenderFlags( Qt::AlignHCenter | Qt::AlignTop );
+
+    QFont font;
+    font.setBold( true );
+    title.setFont( font );
+
+    QwtPlotTextLabel* titleItem = new QwtPlotTextLabel();
+    titleItem->setText( title );
+    titleItem->attach( this );
+
+#if 1
+    // section
+
+    //QColor c( "PaleVioletRed" );
+
+    QwtPlotZoneItem* zone = new QwtPlotZoneItem();
+    zone->setPen( Qt::darkGray );
+    zone->setBrush( QColor( "#834358" ) );
+    zone->setOrientation( Qt::Horizontal );
+    zone->setInterval( 3.8, 5.7 );
+    zone->attach( this );
+
+#else
+    // grid
+
+    QwtPlotGrid* grid = new QwtPlotGrid();
+    grid->setMajorPen( Qt::white, 0, Qt::DotLine );
+    grid->setMinorPen( Qt::gray, 0, Qt::DotLine );
+    grid->attach( this );
+#endif
+
+    // curves
+
+    QPolygonF points1;
+    points1 << QPointF( 0.2, 4.4 ) << QPointF( 1.2, 3.0 )
+            << QPointF( 2.7, 4.5 ) << QPointF( 3.5, 6.8 )
+            << QPointF( 4.7, 7.9 ) << QPointF( 5.8, 7.1 );
+
+    insertCurve( "Curve 1", "DarkOrange", points1 );
+
+    QPolygonF points2;
+    points2 << QPointF( 0.4, 8.7 ) << QPointF( 1.4, 7.8 )
+            << QPointF( 2.3, 5.5 ) << QPointF( 3.3, 4.1 )
+            << QPointF( 4.4, 5.2 ) << QPointF( 5.6, 5.7 );
+
+    insertCurve( "Curve 2", "DodgerBlue", points2 );
+
+    CurveTracker* tracker = new CurveTracker( this->canvas() );
+
+    // for the demo we want the tracker to be active without
+    // having to click on the canvas
+    tracker->setStateMachine( new QwtPickerTrackerMachine() );
+    tracker->setRubberBandPen( QPen( "MediumOrchid" ) );
+}
+
+void Plot::insertCurve( const QString& title,
+    const QColor& color, const QPolygonF& points )
+{
+    QwtPlotCurve* curve = new QwtPlotCurve();
+    curve->setTitle( title );
+    curve->setPen( color, 2 ),
+    curve->setRenderHint( QwtPlotItem::RenderAntialiased, true );
+
+    QwtSymbol* symbol = new QwtSymbol( QwtSymbol::Ellipse,
+        QBrush( Qt::white ), QPen( color, 2 ), QSize( 8, 8 ) );
+    curve->setSymbol( symbol );
+
+    curve->setSamples( points );
+
+    curve->attach( this );
+}
+
+#include "moc_Plot.cpp"