mirror of
https://github.com/GoldenCheetah/GoldenCheetah.git
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49cf6340a4
This commit is based on https://github.com/GoldenCheetah/GoldenCheetah/pull/3956 with the following additions / changes: * Upgraded to the latest version of the multiaxes-branch, thus eliminating crashes of GoldenCheetah on startup * Disabled the emitting of Layout Requests on geometry changes of QwtScaleWidget - without this, CPU utilization was up to 100% on one core * Added the class SplineLookup, reusing small portions of code from Qwt 6.1 * Re-added the splines in WPrime and RideFile (resampling), using the new interface of QwtSpline * Appveyor: qwt in cache-section now depends on qwt/qwtconfig.prin.in for refresh on version change
165 lines
4.2 KiB
C++
165 lines
4.2 KiB
C++
/******************************************************************************
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* Qwt Widget Library
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* Copyright (C) 1997 Josef Wilgen
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* Copyright (C) 2002 Uwe Rathmann
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the Qwt License, Version 1.0
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*****************************************************************************/
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#ifndef QWT_PLOT_ABSTRACT_CANVAS_H
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#define QWT_PLOT_ABSTRACT_CANVAS_H
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#include "qwt_global.h"
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#include <qframe.h>
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class QwtPlot;
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/*!
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\brief Base class for all type of plot canvases
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*/
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class QWT_EXPORT QwtPlotAbstractCanvas
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{
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public:
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/*!
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\brief Focus indicator
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The default setting is NoFocusIndicator
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\sa setFocusIndicator(), focusIndicator(), drawFocusIndicator()
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*/
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enum FocusIndicator
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{
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//! Don't paint a focus indicator
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NoFocusIndicator,
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/*!
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The focus is related to the complete canvas.
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Paint the focus indicator using drawFocusIndicator()
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*/
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CanvasFocusIndicator,
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/*!
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The focus is related to an item (curve, point, ...) on
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the canvas. It is up to the application to display a
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focus indication using f.e. highlighting.
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*/
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ItemFocusIndicator
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};
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explicit QwtPlotAbstractCanvas( QWidget* canvasWidget );
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virtual ~QwtPlotAbstractCanvas();
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QwtPlot* plot();
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const QwtPlot* plot() const;
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void setFocusIndicator( FocusIndicator );
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FocusIndicator focusIndicator() const;
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void setBorderRadius( double );
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double borderRadius() const;
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protected:
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QWidget* canvasWidget();
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const QWidget* canvasWidget() const;
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virtual void drawFocusIndicator( QPainter* );
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virtual void drawBorder( QPainter* );
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virtual void drawBackground( QPainter* );
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void fillBackground( QPainter* );
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void drawCanvas( QPainter* );
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void drawStyled( QPainter*, bool );
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void drawUnstyled( QPainter* );
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QPainterPath canvasBorderPath( const QRect& rect ) const;
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void updateStyleSheetInfo();
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private:
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Q_DISABLE_COPY(QwtPlotAbstractCanvas)
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class PrivateData;
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PrivateData* m_data;
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};
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/*!
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\brief Base class of QwtPlotOpenGLCanvas and QwtPlotGLCanvas
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*/
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class QWT_EXPORT QwtPlotAbstractGLCanvas : public QwtPlotAbstractCanvas
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{
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public:
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/*!
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\brief Paint attributes
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The default setting enables BackingStore and Opaque.
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\sa setPaintAttribute(), testPaintAttribute()
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*/
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enum PaintAttribute
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{
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/*!
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\brief Paint double buffered reusing the content
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of the pixmap buffer when possible.
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Using a backing store might improve the performance
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significantly, when working with widget overlays ( like rubber bands ).
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Disabling the cache might improve the performance for
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incremental paints (using QwtPlotDirectPainter ).
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\sa backingStore(), invalidateBackingStore()
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*/
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BackingStore = 1,
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/*!
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When ImmediatePaint is set replot() calls repaint()
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instead of update().
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\sa replot(), QWidget::repaint(), QWidget::update()
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*/
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ImmediatePaint = 8,
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};
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//! Paint attributes
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Q_DECLARE_FLAGS( PaintAttributes, PaintAttribute )
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explicit QwtPlotAbstractGLCanvas( QWidget* canvasWidget );
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virtual ~QwtPlotAbstractGLCanvas();
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void setPaintAttribute( PaintAttribute, bool on = true );
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bool testPaintAttribute( PaintAttribute ) const;
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void setFrameStyle( int style );
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int frameStyle() const;
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void setFrameShadow( QFrame::Shadow );
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QFrame::Shadow frameShadow() const;
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void setFrameShape( QFrame::Shape );
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QFrame::Shape frameShape() const;
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void setLineWidth( int );
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int lineWidth() const;
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void setMidLineWidth( int );
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int midLineWidth() const;
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int frameWidth() const;
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QRect frameRect() const;
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//! Invalidate the internal backing store
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virtual void invalidateBackingStore() = 0;
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protected:
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void replot();
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void draw( QPainter* );
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private:
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virtual void clearBackingStore() = 0;
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class PrivateData;
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PrivateData* m_data;
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};
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Q_DECLARE_OPERATORS_FOR_FLAGS( QwtPlotAbstractGLCanvas::PaintAttributes )
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#endif
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