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/////////////////////////////////////////////////////////////////////////////
// Name: mathplot.cpp
// Purpose: Framework for plotting in wxWindows
// Original Author: David Schalig
// Maintainer: Davide Rondini
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// Contributors: Jose Luis Blanco, Val Greene, Maciej Suminski, Tomasz Wlostowski
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// Created: 21/07/2003
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// Last edit: 05/08/2016
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// Copyright: (c) David Schalig, Davide Rondini
// Licence: wxWindows licence
/////////////////////////////////////////////////////////////////////////////
# ifndef _MP_MATHPLOT_H_
# define _MP_MATHPLOT_H_
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/**
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* wxMathPlot is a framework for mathematical graph plotting in wxWindows .
*
* The framework is designed for convenience and ease of use .
*
* @ section screenshots Screenshots
* < a href = " http://wxmathplot.sourceforge.net/screenshot.shtml " > Go to the screenshots page . < / a >
*
* @ section overview Overview
* The heart of wxMathPlot is mpWindow , which is a 2 D canvas for plot layers .
* mpWindow can be embedded as subwindow in a wxPane , a wxFrame , or any other wxWindow .
* mpWindow provides a zoomable and moveable view of the layers . The current view can
* be controlled with the mouse , the scrollbars , and a context menu .
*
* Plot layers are implementations of the abstract base class mpLayer . Those can
* be function plots , scale rulers , or any other vector data visualisation .
* wxMathPlot provides two mpLayer implementations for plotting horizontal and vertical rulers : mpScaleX and mpScaleY .
* For convenient function plotting a series of classes derived from mpLayer are provided ,
* like mpFX , mpProfile , mpLegend and so on .
* These base classes already come with plot code , user ' s own functions can be implemented by overriding just one member for retrieving a function value .
*
* mpWindow has built - in support for mouse - based pan and zoom through intuitive combinations of buttons and the mouse wheel . It also incorporates an optional double buffering mechanism to avoid flicker . Plots can be easily sent to printer evices or exported in bitmap formats like PNG , BMP or JPEG .
*
* @ section coding Coding conventions
* wxMathPlot sticks to wxWindow ' s coding conventions .
* All entities defined by wxMathPlot have the prefix < i > mp < / i > .
*
* @ section author Author and license
* wxMathPlot is published under the terms of the wxWindow license . < br >
* The original author is David Schalig < mrhill @ users . sourceforge . net > . < br >
* From June 2007 the project is maintained by Davide Rondini < cdron77 @ users . sourceforge . net > . < br >
* Authors can be contacted via the wxMathPlot ' s homepage at
* https : //sourceforge.net/projects/wxmathplot<br>
* Contributors : < br >
* Jose Luis Blanco , Val Greene . < br >
*/
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/**
* @ file mathplot . h
*/
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// this definition uses windows dll to export function.
// WXDLLIMPEXP_MATHPLOT definition definition changed to WXDLLIMPEXP_MATHPLOT
// mathplot_EXPORTS will be defined by cmake
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# ifdef mathplot_EXPORTS
# define WXDLLIMPEXP_MATHPLOT WXEXPORT
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# define WXDLLIMPEXP_DATA_MATHPLOT( type ) WXEXPORT type
# else // not making DLL
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# define WXDLLIMPEXP_MATHPLOT
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# define WXDLLIMPEXP_DATA_MATHPLOT( type ) type
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# endif
# include <vector>
# include <wx/defs.h>
# include <wx/menu.h>
# include <wx/scrolwin.h>
# include <wx/event.h>
# include <wx/dynarray.h>
# include <wx/pen.h>
# include <wx/dcmemory.h>
# include <wx/string.h>
# include <wx/print.h>
# include <wx/image.h>
# include <deque>
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# include <algorithm>
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// For memory leak debug
# ifdef _WINDOWS
# ifdef _DEBUG
# include <crtdbg.h>
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# define DEBUG_NEW new (_NORMAL_BLOCK, __FILE__, __LINE__)
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# else
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# define DEBUG_NEW new
# endif // _DEBUG
# endif // _WINDOWS
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// Separation for axes when set close to border
# define X_BORDER_SEPARATION 40
# define Y_BORDER_SEPARATION 60
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// -----------------------------------------------------------------------------
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// classes
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// -----------------------------------------------------------------------------
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class WXDLLIMPEXP_MATHPLOT mpLayer ;
class WXDLLIMPEXP_MATHPLOT mpFX ;
class WXDLLIMPEXP_MATHPLOT mpFY ;
class WXDLLIMPEXP_MATHPLOT mpFXY ;
class WXDLLIMPEXP_MATHPLOT mpFXYVector ;
class WXDLLIMPEXP_MATHPLOT mpScaleX ;
class WXDLLIMPEXP_MATHPLOT mpScaleY ;
class WXDLLIMPEXP_MATHPLOT mpWindow ;
class WXDLLIMPEXP_MATHPLOT mpText ;
class WXDLLIMPEXP_MATHPLOT mpPrintout ;
/** Command IDs used by mpWindow */
enum
{
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mpID_FIT = 2000 , // !< Fit view to match bounding box of all layers
mpID_ZOOM_IN , // !< Zoom into view at clickposition / window center
mpID_ZOOM_OUT , // !< Zoom out
mpID_CENTER , // !< Center view on click position
mpID_LOCKASPECT , // !< Lock x/y scaling aspect
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} ;
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// -----------------------------------------------------------------------------
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// mpLayer
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// -----------------------------------------------------------------------------
typedef enum __mp_Layer_Type
{
mpLAYER_UNDEF , // !< Layer type undefined
mpLAYER_AXIS , // !< Axis type layer
mpLAYER_PLOT , // !< Plot type layer
mpLAYER_INFO , // !< Info box type layer
mpLAYER_BITMAP // !< Bitmap type layer
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} mpLayerType ;
/** Plot layer, abstract base class.
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* Any number of mpLayer implementations can be attached to mpWindow .
* Examples for mpLayer implementations are function graphs , or scale rulers .
*
* For convenience mpLayer defines a name , a font ( wxFont ) , a pen ( wxPen ) ,
* and a continuity property ( bool ) as class members .
* The default values at constructor are the default font , a black pen , and
* continuity set to false ( draw separate points ) .
* These may or may not be used by implementations .
*/
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class mpScaleBase ;
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class WXDLLIMPEXP_MATHPLOT mpLayer : public wxObject
{
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public :
mpLayer ( ) ;
virtual ~ mpLayer ( ) { } ;
/** Check whether this layer has a bounding box.
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* The default implementation returns \ a true . Override and return
* false if your mpLayer implementation should be ignored by the calculation
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* of the global bounding box for all layers in a mpWindow .
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* @ retval true Has bounding box
* @ retval false Has not bounding box
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*/
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virtual bool HasBBox ( ) const { return true ; }
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/** Check whether the layer is an info box.
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* The default implementation returns \ a false . It is overridden to \ a true for mpInfoLayer
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* class and its derivative . It is necessary to define mouse actions behaviour over
* info boxes .
* @ return whether the layer is an info boxes
* @ sa mpInfoLayer : : IsInfo
*/
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virtual bool IsInfo ( ) const { return false ; } ;
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/** Get inclusive left border of bounding box.
* @ return Value
*/
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virtual double GetMinX ( ) const { return - 1.0 ; }
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/** Get inclusive right border of bounding box.
* @ return Value
*/
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virtual double GetMaxX ( ) const { return 1.0 ; }
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/** Get inclusive bottom border of bounding box.
* @ return Value
*/
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virtual double GetMinY ( ) const { return - 1.0 ; }
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/** Get inclusive top border of bounding box.
* @ return Value
*/
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virtual double GetMaxY ( ) const { return 1.0 ; }
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/** Plot given view of layer to the given device context.
* An implementation of this function has to transform layer coordinates to
* wxDC coordinates based on the view parameters retrievable from the mpWindow
* passed in \ a w .
* Note that the public methods of mpWindow : x2p , y2p and p2x , p2y are already provided
* which transform layer coordinates to DC pixel coordinates , and < b > user code should rely
* on them < / b > for portability and future changes to be applied transparently , instead of
* implementing the following formulas manually .
*
* The passed device context \ a dc has its coordinate origin set to the top - left corner
* of the visible area ( the default ) . The coordinate orientation is as shown in the
* following picture :
* < pre >
* ( wxDC origin 0 , 0 )
* x - - - - - - - - - - - - - > ascending X - - - - - - - - - - - - - - - - +
* | |
* | |
* | V ascending Y |
* | |
* | |
* | |
* | + - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - + < - - right - bottom corner of the mpWindow visible area .
* < / pre >
* Note that Y ascends in downward direction , whereas the usual vertical orientation
* for mathematical plots is vice versa . Thus Y - orientation will be swapped usually ,
* when transforming between wxDC and mpLayer coordinates . This change of coordinates
* is taken into account in the methods p2x , p2y , x2p , y2p .
*
* < b > Rules for transformation between mpLayer and wxDC coordinates < / b >
* @ code
* dc_X = ( layer_X - mpWindow : : GetPosX ( ) ) * mpWindow : : GetScaleX ( )
* dc_Y = ( mpWindow : : GetPosY ( ) - layer_Y ) * mpWindow : : GetScaleY ( ) // swapping Y-orientation
*
* layer_X = ( dc_X / mpWindow : : GetScaleX ( ) ) + mpWindow : : GetPosX ( ) // scale guaranteed to be not 0
* layer_Y = mpWindow : : GetPosY ( ) - ( dc_Y / mpWindow : : GetScaleY ( ) ) // swapping Y-orientation
* @ endcode
*
* @ param dc Device context to plot to .
* @ param w View to plot . The visible area can be retrieved from this object .
* @ sa mpWindow : : p2x , mpWindow : : p2y , mpWindow : : x2p , mpWindow : : y2p
*/
virtual void Plot ( wxDC & dc , mpWindow & w ) = 0 ;
/** Get layer name.
* @ return Name
*/
const wxString & GetName ( ) const { return m_name ; }
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const wxString & GetDisplayName ( ) const
{
return m_displayName . IsEmpty ( ) ? m_name : m_displayName ;
}
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/** Get font set for this layer.
* @ return Font
*/
const wxFont & GetFont ( ) const { return m_font ; }
/** Get pen set for this layer.
* @ return Pen
*/
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const wxPen & GetPen ( ) const { return m_pen ; }
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/** Set the 'continuity' property of the layer (true:draws a continuous line, false:draws separate points).
* @ sa GetContinuity
*/
void SetContinuity ( bool continuity ) { m_continuous = continuity ; }
/** Gets the 'continuity' property of the layer.
* @ sa SetContinuity
*/
bool GetContinuity ( ) const { return m_continuous ; }
/** Shows or hides the text label with the name of the layer (default is visible).
*/
void ShowName ( bool show ) { m_showName = show ; } ;
/** Set layer name
* @ param name Name , will be copied to internal class member
*/
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virtual void SetName ( const wxString & name ) { m_name = name ; }
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/** Set layer font
* @ param font Font , will be copied to internal class member
*/
void SetFont ( wxFont & font ) { m_font = font ; }
/** Set layer pen
* @ param pen Pen , will be copied to internal class member
*/
void SetPen ( wxPen pen ) { m_pen = pen ; }
/** Set Draw mode: inside or outside margins. Default is outside, which allows the layer to draw up to the mpWindow border.
* @ param drawModeOutside The draw mode to be set */
void SetDrawOutsideMargins ( bool drawModeOutside ) { m_drawOutsideMargins = drawModeOutside ; } ;
/** Get Draw mode: inside or outside margins.
* @ return The draw mode */
bool GetDrawOutsideMargins ( ) { return m_drawOutsideMargins ; } ;
/** Get a small square bitmap filled with the colour of the pen used in the layer. Useful to create legends or similar reference to the layers.
* @ param side side length in pixels
* @ return a wxBitmap filled with layer ' s colour */
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wxBitmap GetColourSquare ( int side = 16 ) const ;
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/** Get layer type: a Layer can be of different types: plot lines, axis, info boxes, etc, this method returns the right value.
* @ return An integer indicating layer type */
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mpLayerType GetLayerType ( ) const { return m_type ; } ;
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/** Checks whether the layer is visible or not.
* @ return \ a true if visible */
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bool IsVisible ( ) const { return m_visible ; } ;
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/** Sets layer visibility.
* @ param show visibility bool . */
void SetVisible ( bool show ) { m_visible = show ; } ;
/** Get brush set for this layer.
* @ return brush . */
const wxBrush & GetBrush ( ) const { return m_brush ; } ;
/** Set layer brush
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* @ param brush brush , will be copied to internal class member */
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void SetBrush ( wxBrush brush ) { m_brush = brush ; } ;
protected :
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wxFont m_font ; // !< Layer's font
wxPen m_pen ; // !< Layer's pen
wxBrush m_brush ; // !< Layer's brush
wxString m_name ; // !< Layer's name
wxString m_displayName ;
bool m_continuous ; // !< Specify if the layer will be plotted as a continuous line or a set of points.
bool m_showName ; // !< States whether the name of the layer must be shown (default is true).
bool m_drawOutsideMargins ; // !< select if the layer should draw only inside margins or over all DC
mpLayerType m_type ; // !< Define layer type, which is assigned by constructor
bool m_visible ; // !< Toggles layer visibility
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DECLARE_DYNAMIC_CLASS ( mpLayer )
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} ;
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// -----------------------------------------------------------------------------
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// mpInfoLayer
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// -----------------------------------------------------------------------------
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/** @class mpInfoLayer
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* @ brief Base class to create small rectangular info boxes
* mpInfoLayer is the base class to create a small rectangular info box in transparent overlay over plot layers . It is used to implement objects like legends .
*/
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class WXDLLIMPEXP_MATHPLOT mpInfoLayer : public mpLayer
{
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public :
/** Default constructor. */
mpInfoLayer ( ) ;
/** Complete constructor.
* @ param rect Sets the initial size rectangle of the layer .
* @ param brush pointer to a fill brush . Default is transparent */
mpInfoLayer ( wxRect rect , const wxBrush * brush = wxTRANSPARENT_BRUSH ) ;
/** Destructor */
virtual ~ mpInfoLayer ( ) ;
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/** Updates the content of the info box. Should be overridden by derived classes.
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* Update may behave in different ways according to the type of event which called it .
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* @ param w parent mpWindow from which to obtain information
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* @ param event The event which called the update . */
virtual void UpdateInfo ( mpWindow & w , wxEvent & event ) ;
/** mpInfoLayer has not bounding box. @sa mpLayer::HasBBox
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* @ return always \ a false */
virtual bool HasBBox ( ) const override { return false ; }
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/** Plot method. Can be overridden by derived classes.
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* @ param dc the device content where to plot
* @ param w the window to plot
* @ sa mpLayer : : Plot */
virtual void Plot ( wxDC & dc , mpWindow & w ) override ;
/** Specifies that this is an Info box layer.
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* @ return always \ a true
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* @ sa mpLayer : : IsInfo */
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virtual bool IsInfo ( ) const override { return true ; }
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/** Checks whether a point is inside the info box rectangle.
* @ param point The point to be checked
* @ return \ a true if the point is inside the bounding box */
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virtual bool Inside ( const wxPoint & point ) const ;
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/** Moves the layer rectangle of given pixel deltas.
* @ param delta The wxPoint container for delta coordinates along x and y . Units are in pixels . */
virtual void Move ( wxPoint delta ) ;
/** Updates the rectangle reference point. Used by internal methods of mpWindow to correctly move mpInfoLayers. */
virtual void UpdateReference ( ) ;
/** Returns the position of the upper left corner of the box (in pixels)
* @ return The rectangle position */
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wxPoint GetPosition ( ) const ;
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/** Returns the size of the box (in pixels)
* @ return The rectangle size */
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wxSize GetSize ( ) const ;
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/** Returns the current rectangle coordinates.
* @ return The info layer rectangle */
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const wxRect & GetRectangle ( ) const { return m_dim ; } ;
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protected :
wxRect m_dim ; // !< The bounding rectangle of the box. It may be resized dynamically by the Plot method.
wxPoint m_reference ; // !< Holds the reference point for movements
wxBrush m_brush ; // !< The brush to be used for the background
int m_winX , m_winY ; // !< Holds the mpWindow size. Used to rescale position when window is resized.
DECLARE_DYNAMIC_CLASS ( mpInfoLayer )
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} ;
/** @class mpInfoCoords
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* @ brief Implements an overlay box which shows the mouse coordinates in plot units .
* When an mpInfoCoords layer is activated , when mouse is moved over the mpWindow , its coordinates ( in mpWindow units , not pixels ) are continuously reported inside the layer box . */
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class WXDLLIMPEXP_MATHPLOT mpInfoCoords : public mpInfoLayer
{
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public :
/** Default constructor */
mpInfoCoords ( ) ;
/** Complete constructor, setting initial rectangle and background brush.
* @ param rect The initial bounding rectangle .
* @ param brush The wxBrush to be used for box background : default is transparent */
mpInfoCoords ( wxRect rect , const wxBrush * brush = wxTRANSPARENT_BRUSH ) ;
/** Default destructor */
~ mpInfoCoords ( ) ;
/** Updates the content of the info box. It is used to update coordinates.
* @ param w parent mpWindow from which to obtain information
* @ param event The event which called the update . */
virtual void UpdateInfo ( mpWindow & w , wxEvent & event ) override ;
/** Plot method.
* @ param dc the device content where to plot
* @ param w the window to plot
* @ sa mpLayer : : Plot */
virtual void Plot ( wxDC & dc , mpWindow & w ) override ;
protected :
wxString m_content ; // !< string holding the coordinates to be drawn.
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} ;
/** @class mpInfoLegend
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* @ brief Implements the legend to be added to the plot
* This layer allows you to add a legend to describe the plots in the window . The legend uses the layer name as a label , and displays only layers of type mpLAYER_PLOT . */
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class WXDLLIMPEXP_MATHPLOT mpInfoLegend : public mpInfoLayer
{
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public :
/** Default constructor */
mpInfoLegend ( ) ;
/** Complete constructor, setting initial rectangle and background brush.
* @ param rect The initial bounding rectangle .
* @ param brush The wxBrush to be used for box background : default is transparent
* @ sa mpInfoLayer : : mpInfoLayer */
mpInfoLegend ( wxRect rect , const wxBrush * brush = wxTRANSPARENT_BRUSH ) ;
/** Default destructor */
~ mpInfoLegend ( ) ;
/** Updates the content of the info box. Unused in this class.
* @ param w parent mpWindow from which to obtain information
* @ param event The event which called the update . */
virtual void UpdateInfo ( mpWindow & w , wxEvent & event ) override ;
/** Plot method.
* @ param dc the device content where to plot
* @ param w the window to plot
* @ sa mpLayer : : Plot */
virtual void Plot ( wxDC & dc , mpWindow & w ) override ;
protected :
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} ;
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// -----------------------------------------------------------------------------
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// mpLayer implementations - functions
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// -----------------------------------------------------------------------------
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/** @name Label alignment constants
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* @ { */
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/** @internal */
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# define mpALIGNMASK 0x03
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/** Aligns label to the right. For use with mpFX. */
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# define mpALIGN_RIGHT 0x00
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/** Aligns label to the center. For use with mpFX and mpFY. */
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# define mpALIGN_CENTER 0x01
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/** Aligns label to the left. For use with mpFX. */
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# define mpALIGN_LEFT 0x02
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/** Aligns label to the top. For use with mpFY. */
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# define mpALIGN_TOP mpALIGN_RIGHT
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/** Aligns label to the bottom. For use with mpFY. */
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# define mpALIGN_BOTTOM mpALIGN_LEFT
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/** Aligns X axis to bottom border. For mpScaleX */
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# define mpALIGN_BORDER_BOTTOM 0x04
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/** Aligns X axis to top border. For mpScaleX */
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# define mpALIGN_BORDER_TOP 0x05
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/** Aligns label to the right of mpALIGN_RIGHT */
# define mpALIGN_FAR_RIGHT 0x06
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/** Set label for X axis in normal mode */
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# define mpX_NORMAL 0x00
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/** Set label for X axis in time mode: the value is represented as minutes:seconds.milliseconds if time is less than 2 minutes, hours:minutes:seconds otherwise. */
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# define mpX_TIME 0x01
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/** Set label for X axis in hours mode: the value is always represented as hours:minutes:seconds. */
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# define mpX_HOURS 0x02
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/** Set label for X axis in date mode: the value is always represented as yyyy-mm-dd. */
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# define mpX_DATE 0x03
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/** Set label for X axis in datetime mode: the value is always represented as yyyy-mm-ddThh:mm:ss. */
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# define mpX_DATETIME 0x04
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/** Aligns Y axis to left border. For mpScaleY */
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# define mpALIGN_BORDER_LEFT mpALIGN_BORDER_BOTTOM
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/** Aligns Y axis to right border. For mpScaleY */
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# define mpALIGN_BORDER_RIGHT mpALIGN_BORDER_TOP
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/** Aligns label to north-east. For use with mpFXY. */
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# define mpALIGN_NE 0x00
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/** Aligns label to north-west. For use with mpFXY. */
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# define mpALIGN_NW 0x01
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/** Aligns label to south-west. For use with mpFXY. */
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# define mpALIGN_SW 0x02
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/** Aligns label to south-east. For use with mpFXY. */
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# define mpALIGN_SE 0x03
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/*@}*/
/** @name mpLayer implementations - functions
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* @ { */
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/** Abstract base class providing plot and labeling functionality for functions F:X->Y.
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* Override mpFX : : GetY to implement a function .
* Optionally implement a constructor and pass a name ( label ) and a label alignment
* to the constructor mpFX : : mpFX . If the layer name is empty , no label will be plotted .
*/
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class WXDLLIMPEXP_MATHPLOT mpFX : public mpLayer
{
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public :
/** @param name Label
* @ param flags Label alignment , pass one of # mpALIGN_RIGHT , # mpALIGN_CENTER , # mpALIGN_LEFT .
*/
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mpFX ( const wxString & name = wxEmptyString , int flags = mpALIGN_RIGHT ) ;
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/** Get function value for argument.
* Override this function in your implementation .
* @ param x Argument
* @ return Function value
*/
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virtual double GetY ( double x ) const = 0 ;
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/** Layer plot handler.
* This implementation will plot the function in the visible area and
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* put a label according to the alignment specified .
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*/
virtual void Plot ( wxDC & dc , mpWindow & w ) override ;
protected :
int m_flags ; // !< Holds label alignment
DECLARE_DYNAMIC_CLASS ( mpFX )
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} ;
/** Abstract base class providing plot and labeling functionality for functions F:Y->X.
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* Override mpFY : : GetX to implement a function .
* Optionally implement a constructor and pass a name ( label ) and a label alignment
* to the constructor mpFY : : mpFY . If the layer name is empty , no label will be plotted .
*/
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class WXDLLIMPEXP_MATHPLOT mpFY : public mpLayer
{
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public :
/** @param name Label
* @ param flags Label alignment , pass one of # mpALIGN_BOTTOM , # mpALIGN_CENTER , # mpALIGN_TOP .
*/
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mpFY ( const wxString & name = wxEmptyString , int flags = mpALIGN_TOP ) ;
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/** Get function value for argument.
* Override this function in your implementation .
* @ param y Argument
* @ return Function value
*/
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virtual double GetX ( double y ) const = 0 ;
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/** Layer plot handler.
* This implementation will plot the function in the visible area and
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* put a label according to the alignment specified .
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*/
virtual void Plot ( wxDC & dc , mpWindow & w ) override ;
protected :
int m_flags ; // !< Holds label alignment
DECLARE_DYNAMIC_CLASS ( mpFY )
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} ;
/** Abstract base class providing plot and labeling functionality for a locus plot F:N->X,Y.
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* Locus argument N is assumed to be in range 0 . . MAX_N , and implicitly derived by enumerating
* all locus values . Override mpFXY : : Rewind and mpFXY : : GetNextXY to implement a locus .
* Optionally implement a constructor and pass a name ( label ) and a label alignment
* to the constructor mpFXY : : mpFXY . If the layer name is empty , no label will be plotted .
*/
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class WXDLLIMPEXP_MATHPLOT mpFXY : public mpLayer
{
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public :
/** @param name Label
* @ param flags Label alignment , pass one of # mpALIGN_NE , # mpALIGN_NW , # mpALIGN_SW , # mpALIGN_SE .
*/
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mpFXY ( const wxString & name = wxEmptyString , int flags = mpALIGN_NE ) ;
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/** Rewind value enumeration with mpFXY::GetNextXY.
* Override this function in your implementation .
*/
virtual void Rewind ( ) = 0 ;
/** Get locus value for next N.
* Override this function in your implementation .
* @ param x Returns X value
* @ param y Returns Y value
*/
virtual bool GetNextXY ( double & x , double & y ) = 0 ;
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virtual size_t GetCount ( ) const = 0 ;
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/** Layer plot handler.
* This implementation will plot the locus in the visible area and
* put a label according to the alignment specified .
*/
virtual void Plot ( wxDC & dc , mpWindow & w ) override ;
virtual void SetScale ( mpScaleBase * scaleX , mpScaleBase * scaleY ) ;
void UpdateScales ( ) ;
double s2x ( double plotCoordX ) const ;
double s2y ( double plotCoordY ) const ;
double x2s ( double x ) const ;
double y2s ( double y ) const ;
protected :
int m_flags ; // !< Holds label alignment
// Data to calculate label positioning
wxCoord maxDrawX , minDrawX , maxDrawY , minDrawY ;
// int drawnPoints;
mpScaleBase * m_scaleX , * m_scaleY ;
/** Update label positioning data
* @ param xnew New x coordinate
* @ param ynew New y coordinate
*/
void UpdateViewBoundary ( wxCoord xnew , wxCoord ynew ) ;
DECLARE_DYNAMIC_CLASS ( mpFXY )
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} ;
/** Abstract base class providing plot and labeling functionality for functions F:Y->X.
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* Override mpProfile : : GetX to implement a function .
* This class is similar to mpFY , but the Plot method is different . The plot is in fact represented by lines instead of points , which gives best rendering of rapidly - varying functions , and in general , data which are not so close one to another .
* Optionally implement a constructor and pass a name ( label ) and a label alignment
* to the constructor mpProfile : : mpProfile . If the layer name is empty , no label will be plotted .
*/
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class WXDLLIMPEXP_MATHPLOT mpProfile : public mpLayer
{
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public :
/** @param name Label
* @ param flags Label alignment , pass one of # mpALIGN_BOTTOM , # mpALIGN_CENTER , # mpALIGN_TOP .
*/
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mpProfile ( const wxString & name = wxEmptyString , int flags = mpALIGN_TOP ) ;
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/** Get function value for argument.
* Override this function in your implementation .
* @ param x Argument
* @ return Function value
*/
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virtual double GetY ( double x ) const = 0 ;
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/** Layer plot handler.
* This implementation will plot the function in the visible area and
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* put a label according to the alignment specified .
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*/
virtual void Plot ( wxDC & dc , mpWindow & w ) override ;
protected :
int m_flags ; // !< Holds label alignment
DECLARE_DYNAMIC_CLASS ( mpProfile )
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} ;
/*@}*/
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// -----------------------------------------------------------------------------
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// mpLayer implementations - furniture (scales, ...)
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// -----------------------------------------------------------------------------
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/** @name mpLayer implementations - furniture (scales, ...)
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* @ { */
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/** Plot layer implementing a x-scale ruler.
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* The ruler is fixed at Y = 0 in the coordinate system . A label is plotted at
* the bottom - right hand of the ruler . The scale numbering automatically
* adjusts to view and zoom factor .
*/
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class WXDLLIMPEXP_MATHPLOT mpScaleBase : public mpLayer
{
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public :
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mpScaleBase ( ) ;
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virtual ~ mpScaleBase ( ) { } ;
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virtual bool IsHorizontal ( ) const = 0 ;
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bool HasBBox ( ) const override { return false ; }
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/** Set X axis alignment.
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* @ param align alignment ( choose between mpALIGN_BORDER_BOTTOM , mpALIGN_BOTTOM , mpALIGN_CENTER ,
* mpALIGN_TOP , mpALIGN_BORDER_TOP
*/
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void SetAlign ( int align ) { m_flags = align ; } ;
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void SetNameAlign ( int align ) { m_nameFlags = align ; }
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/** Set X axis ticks or grid
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* @ param enable = true to plot axis ticks , false to plot grid .
*/
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void SetTicks ( bool enable ) { m_ticks = enable ; } ;
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/** Get X axis ticks or grid
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* @ return true if plot is drawing axis ticks , false if the grid is active .
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*/
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bool GetTicks ( ) const { return m_ticks ; } ;
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// virtual double X2p( mpWindow &w, double x ) = 0;
// virtual double P2x( mpWindow &w, double x ) = 0;
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void SetDataRange ( double minV , double maxV )
{
m_rangeSet = true ;
m_minV = minV ;
m_maxV = maxV ;
}
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void GetDataRange ( double & minV , double & maxV ) const
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{
minV = m_minV ;
maxV = m_maxV ;
}
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void ExtendDataRange ( double minV , double maxV )
{
if ( ! m_rangeSet )
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{
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m_minV = minV ;
m_maxV = maxV ;
m_rangeSet = true ;
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}
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else
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{
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m_minV = std : : min ( minV , m_minV ) ;
m_maxV = std : : max ( maxV , m_maxV ) ;
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}
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if ( m_minV = = m_maxV )
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{
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m_minV = m_minV - 1.0 ;
m_maxV = m_maxV + 1.0 ;
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}
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}
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void ResetDataRange ( )
{
m_rangeSet = 0 ;
}
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double AbsMaxValue ( ) const
{
return std : : max ( std : : abs ( m_maxV ) , std : : abs ( m_minV ) ) ;
}
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double AbsVisibleMaxValue ( ) const
{
return m_absVisibleMaxV ;
}
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virtual double TransformToPlot ( double x ) const { return 0.0 ; } ;
virtual double TransformFromPlot ( double xplot ) const { return 0.0 ; } ;
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struct TickLabel
{
TickLabel ( double pos_ = 0.0 , const wxString & label_ = wxT ( " " ) ) :
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pos ( pos_ ) , label ( label_ ) , pixelPos ( 0 ) , visible ( true )
{ }
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double pos ;
wxString label ;
int pixelPos ;
bool visible ;
} ;
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std : : vector < TickLabel > & TickLabels ( ) { return m_tickLabels ; } ;
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protected :
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void updateTickLabels ( wxDC & dc , mpWindow & w ) ;
void computeLabelExtents ( wxDC & dc , mpWindow & w ) ;
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// virtual int getLabelDecimalDigits(int maxDigits) const;
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virtual void getVisibleDataRange ( mpWindow & w , double & minV , double & maxV ) { } ;
virtual void recalculateTicks ( wxDC & dc , mpWindow & w ) { } ;
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int tickCount ( ) const
{
return m_tickValues . size ( ) ;
}
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virtual int labelCount ( ) const
{
return m_tickLabels . size ( ) ;
}
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virtual const wxString formatLabel ( double value , int nDigits ) { return wxT ( " " ) ; }
virtual void formatLabels ( ) { } ;
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virtual double getTickPos ( int n ) const
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{
return m_tickValues [ n ] ;
}
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virtual double getLabelPos ( int n ) const
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{
return m_tickLabels [ n ] . pos ;
}
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virtual wxString getLabel ( int n ) const
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{
return m_tickLabels [ n ] . label ;
}
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std : : vector < double > m_tickValues ;
std : : vector < TickLabel > m_tickLabels ;
double m_offset , m_scale ;
double m_absVisibleMaxV ;
int m_flags ; // !< Flag for axis alignment
int m_nameFlags ;
bool m_ticks ; // !< Flag to toggle between ticks or grid
double m_minV , m_maxV ;
bool m_rangeSet ;
int m_maxLabelHeight ;
int m_maxLabelWidth ;
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} ;
class WXDLLIMPEXP_MATHPLOT mpScaleXBase : public mpScaleBase
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{
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public :
/** Full constructor.
* @ param name Label to plot by the ruler
* @ param flags Set the position of the scale with respect to the window .
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* @ param ticks Select ticks or grid . Give true ( default ) for drawing axis ticks , false for drawing the grid .
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* @ param type mpX_NORMAL for normal labels , mpX_TIME for time axis in hours , minutes , seconds .
*/
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mpScaleXBase ( const wxString & name = wxT ( " X " ) , int flags = mpALIGN_CENTER ,
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bool ticks = true , unsigned int type = mpX_NORMAL ) ;
virtual ~ mpScaleXBase ( ) { } ;
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virtual bool IsHorizontal ( ) const override { return true ; }
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/** Layer plot handler.
* This implementation will plot the ruler adjusted to the visible area . */
virtual void Plot ( wxDC & dc , mpWindow & w ) override ;
virtual void getVisibleDataRange ( mpWindow & w , double & minV , double & maxV ) override ;
// unsigned int m_labelType; //!< Select labels mode: mpX_NORMAL for normal labels, mpX_TIME for time axis in hours, minutes, seconds
// wxString m_labelFormat; //!< Format string used to print labels
DECLARE_DYNAMIC_CLASS ( mpScaleXBase )
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} ;
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class WXDLLIMPEXP_MATHPLOT mpScaleX : public mpScaleXBase
{
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public :
/** Full constructor.
* @ param name Label to plot by the ruler
* @ param flags Set the position of the scale with respect to the window .
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* @ param ticks Select ticks or grid . Give true ( default ) for drawing axis ticks , false for drawing the grid .
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* @ param type mpX_NORMAL for normal labels , mpX_TIME for time axis in hours , minutes , seconds . */
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mpScaleX ( const wxString & name = wxT ( " X " ) , int flags = mpALIGN_CENTER ,
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bool ticks = true , unsigned int type = mpX_NORMAL ) ;
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/** Layer plot handler.
* This implementation will plot the ruler adjusted to the visible area . */
// virtual void Plot(wxDC & dc, mpWindow & w);
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// virtual double X2p( mpWindow &w, double x );
// virtual double P2x( mpWindow &w, double x );
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virtual double TransformToPlot ( double x ) const override ;
virtual double TransformFromPlot ( double xplot ) const override ;
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protected :
virtual void recalculateTicks ( wxDC & dc , mpWindow & w ) override ;
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DECLARE_DYNAMIC_CLASS ( mpScaleX )
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} ;
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class WXDLLIMPEXP_MATHPLOT mpScaleXLog : public mpScaleXBase
{
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public :
/** Full constructor.
* @ param name Label to plot by the ruler
* @ param flags Set the position of the scale with respect to the window .
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* @ param ticks Select ticks or grid . Give true ( default ) for drawing axis ticks , false for drawing the grid .
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* @ param type mpX_NORMAL for normal labels , mpX_TIME for time axis in hours , minutes , seconds .
*/
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mpScaleXLog ( const wxString & name = wxT ( " log(X) " ) , int flags = mpALIGN_CENTER ,
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bool ticks = true , unsigned int type = mpX_NORMAL ) ;
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virtual double TransformToPlot ( double x ) const override ;
virtual double TransformFromPlot ( double xplot ) const override ;
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/** Layer plot handler.
* This implementation will plot the ruler adjusted to the visible area .
*/
// virtual double X2p( mpWindow &w, double x );
// virtual double P2x( mpWindow &w, double x );
protected :
void recalculateTicks ( wxDC & dc , mpWindow & w ) override ;
// int tickCount() const;
// int labelCount() const;
// const wxString getLabel( int n );
// double getTickPos( int n );
// double getLabelPos( int n );
void computeLabelExtents ( wxDC & dc , mpWindow & w ) ;
DECLARE_DYNAMIC_CLASS ( mpScaleXLog )
} ;
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/** Plot layer implementing a y-scale ruler.
* If align is set to mpALIGN_CENTER , the ruler is fixed at X = 0 in the coordinate system .
* If the align is set to mpALIGN_TOP or mpALIGN_BOTTOM , the axis is always
* drawn respectively at top or bottom of the window . A label is plotted at
* the top - right hand of the ruler .
* The scale numbering automatically adjusts to view and zoom factor .
*/
class WXDLLIMPEXP_MATHPLOT mpScaleY : public mpScaleBase
{
public :
/** @param name Label to plot by the ruler
* @ param flags Set position of the scale respect to the window .
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* @ param ticks Select ticks or grid . Give true ( default ) for drawing axis ticks , false for drawing the grid
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*/
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mpScaleY ( const wxString & name = wxT ( " Y " ) , int flags = mpALIGN_CENTER , bool ticks = true ) ;
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virtual bool IsHorizontal ( ) const override { return false ; }
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/** Layer plot handler.
* This implementation will plot the ruler adjusted to the visible area .
*/
virtual void Plot ( wxDC & dc , mpWindow & w ) override ;
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/** Check whether this layer has a bounding box.
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* This implementation returns \ a false thus making the ruler invisible
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* to the plot layer bounding box calculation by mpWindow .
*/
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virtual bool HasBBox ( ) const override { return false ; }
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/** Set Y axis alignment.
* @ param align alignment ( choose between mpALIGN_BORDER_LEFT , mpALIGN_LEFT , mpALIGN_CENTER , mpALIGN_RIGHT , mpALIGN_BORDER_RIGHT ) */
void SetAlign ( int align ) { m_flags = align ; } ;
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/** Set Y axis ticks or grid
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* @ param ticks true to plot axis ticks , false to plot grid . */
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void SetTicks ( bool ticks ) { m_ticks = ticks ; } ;
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/** Get Y axis ticks or grid
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* @ return true if plot is drawing axis ticks , false if the grid is active . */
bool GetTicks ( ) const { return m_ticks ; } ;
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virtual double TransformToPlot ( double x ) const override ;
virtual double TransformFromPlot ( double xplot ) const override ;
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void SetMasterScale ( mpScaleY * masterScale )
{
m_masterScale = masterScale ;
}
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protected :
virtual void getVisibleDataRange ( mpWindow & w , double & minV , double & maxV ) override ;
virtual void recalculateTicks ( wxDC & dc , mpWindow & w ) override ;
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// virtual int tickCount() const;
// virtual int labelCount() const;
// virtual const wxString getLabel( int n );
// virtual double getTickPos( int n );
// virtual double getLabelPos( int n );
void computeLabelExtents ( wxDC & dc , mpWindow & w ) ;
void computeSlaveTicks ( mpWindow & w ) ;
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mpScaleY * m_masterScale ;
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// double m_minV, m_maxV;
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int m_flags ; // !< Flag for axis alignment
bool m_ticks ; // !< Flag to toggle between ticks or grid
// wxString m_labelFormat; //!< Format string used to print labels
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DECLARE_DYNAMIC_CLASS ( mpScaleY )
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} ;
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// -----------------------------------------------------------------------------
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// mpWindow
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// -----------------------------------------------------------------------------
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/** @name Constants defining mouse modes for mpWindow
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* @ { */
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/** Mouse panning drags the view. Mouse mode for mpWindow. */
# define mpMOUSEMODE_DRAG 0
/** Mouse panning creates a zoom box. Mouse mode for mpWindow. */
# define mpMOUSEMODE_ZOOMBOX 1
/*@}*/
/** Define the type for the list of layers inside mpWindow */
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// WX_DECLARE_HASH_MAP( int, mpLayer*, wxIntegerHash, wxIntegerEqual, wxLayerList );
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typedef std : : deque < mpLayer * > wxLayerList ;
/** Canvas for plotting mpLayer implementations.
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*
* This class defines a zoomable and moveable 2 D plot canvas . Any number
* of mpLayer implementations ( scale rulers , function plots , . . . ) can be
* attached using mpWindow : : AddLayer .
*
* The canvas window provides a context menu with actions for navigating the view .
* The context menu can be retrieved with mpWindow : : GetPopupMenu , e . g . for extending it
* externally .
*
* Since wxMathPlot version 0.03 , the mpWindow incorporates the following features :
* - DoubleBuffering ( Default = disabled ) : Can be set with EnableDoubleBuffer
* - Mouse based pan / zoom ( Default = enabled ) : Can be set with EnableMousePanZoom .
*
* The mouse commands can be visualized by the user through the popup menu , and are :
* - Mouse Move + CTRL : Pan ( Move )
* - Mouse Wheel : Vertical scroll
* - Mouse Wheel + SHIFT : Horizontal scroll
* - Mouse Wheel UP + CTRL : Zoom in
* - Mouse Wheel DOWN + CTRL : Zoom out
*
*/
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class WXDLLIMPEXP_MATHPLOT mpWindow : public wxWindow
{
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public :
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mpWindow ( ) ;
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mpWindow ( wxWindow * parent , wxWindowID id ,
const wxPoint & pos = wxDefaultPosition ,
const wxSize & size = wxDefaultSize ,
long flags = 0 ) ;
~ mpWindow ( ) ;
/** Get reference to context menu of the plot canvas.
* @ return Pointer to menu . The menu can be modified .
*/
wxMenu * GetPopupMenu ( ) { return & m_popmenu ; }
/** Add a plot layer to the canvas.
* @ param layer Pointer to layer . The mpLayer object will get under control of mpWindow ,
* i . e . it will be delete ' d on mpWindow destruction
* @ param refreshDisplay States whether to refresh the display ( UpdateAll ) after adding the layer .
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* @ retval true Success
* @ retval false Failure due to out of memory .
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*/
bool AddLayer ( mpLayer * layer , bool refreshDisplay = true ) ;
/** Remove a plot layer from the canvas.
* @ param layer Pointer to layer . The mpLayer object will be destructed using delete .
* @ param alsoDeleteObject If set to true , the mpLayer object will be also " deleted " , not just removed from the internal list .
* @ param refreshDisplay States whether to refresh the display ( UpdateAll ) after removing the layer .
* @ return true if layer is deleted correctly
*
* N . B . Only the layer reference in the mpWindow is deleted , the layer object still exists !
*/
bool DelLayer ( mpLayer * layer , bool alsoDeleteObject = false , bool refreshDisplay = true ) ;
/** Remove all layers from the plot.
* @ param alsoDeleteObject If set to true , the mpLayer objects will be also " deleted " , not just removed from the internal list .
* @ param refreshDisplay States whether to refresh the display ( UpdateAll ) after removing the layers .
*/
void DelAllLayers ( bool alsoDeleteObject , bool refreshDisplay = true ) ;
/*! Get the layer in list position indicated.
* N . B . You < i > must < / i > know the index of the layer inside the list !
* @ param position position of the layer in the layers list
* @ return pointer to mpLayer
*/
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mpLayer * GetLayer ( int position ) const ;
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/*! Get the layer by its name (case sensitive).
* @ param name The name of the layer to retrieve
* @ return A pointer to the mpLayer object , or NULL if not found .
*/
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const mpLayer * GetLayerByName ( const wxString & name ) const ;
mpLayer * GetLayerByName ( const wxString & name )
{
return const_cast < mpLayer * > ( static_cast < const mpWindow * > ( this ) - > GetLayerByName ( name ) ) ;
}
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/** Get current view's X scale.
* See @ ref mpLayer : : Plot " rules for coordinate transformation "
* @ return Scale
*/
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double GetXscl ( ) const { return m_scaleX ; }
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double GetScaleX ( void ) const { return m_scaleX ; } ; // Schaling's method: maybe another method exists with the same name
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/** Get current view's Y scale.
* See @ ref mpLayer : : Plot " rules for coordinate transformation "
* @ return Scale
*/
double GetYscl ( ) const { return m_scaleY ; }
double GetScaleY ( void ) const { return m_scaleY ; } // Schaling's method: maybe another method exists with the same name
/** Get current view's X position.
* See @ ref mpLayer : : Plot " rules for coordinate transformation "
* @ return X Position in layer coordinate system , that corresponds to the center point of the view .
*/
double GetXpos ( ) const { return m_posX ; }
double GetPosX ( void ) const { return m_posX ; }
/** Get current view's Y position.
* See @ ref mpLayer : : Plot " rules for coordinate transformation "
* @ return Y Position in layer coordinate system , that corresponds to the center point of the view .
*/
double GetYpos ( ) const { return m_posY ; }
double GetPosY ( void ) const { return m_posY ; }
/** Get current view's X dimension in device context units.
* Usually this is equal to wxDC : : GetSize , but it might differ thus mpLayer
* implementations should rely on the value returned by the function .
* See @ ref mpLayer : : Plot " rules for coordinate transformation "
* @ return X dimension .
*/
int GetScrX ( void ) const { return m_scrX ; }
int GetXScreen ( void ) const { return m_scrX ; }
/** Get current view's Y dimension in device context units.
* Usually this is equal to wxDC : : GetSize , but it might differ thus mpLayer
* implementations should rely on the value returned by the function .
* See @ ref mpLayer : : Plot " rules for coordinate transformation "
* @ return Y dimension .
*/
int GetScrY ( void ) const { return m_scrY ; }
int GetYScreen ( void ) const { return m_scrY ; }
/** Set current view's X scale and refresh display.
* @ param scaleX New scale , must not be 0.
*/
void SetScaleX ( double scaleX ) ;
/** Set current view's Y scale and refresh display.
* @ param scaleY New scale , must not be 0.
*/
void SetScaleY ( double scaleY )
{
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if ( scaleY ! = 0 )
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m_scaleY = scaleY ;
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UpdateAll ( ) ;
}
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/** Set current view's X position and refresh display.
* @ param posX New position that corresponds to the center point of the view .
*/
void SetPosX ( double posX ) { m_posX = posX ; UpdateAll ( ) ; }
/** Set current view's Y position and refresh display.
* @ param posY New position that corresponds to the center point of the view .
*/
void SetPosY ( double posY ) { m_posY = posY ; UpdateAll ( ) ; }
/** Set current view's X and Y position and refresh display.
* @ param posX New position that corresponds to the center point of the view .
* @ param posY New position that corresponds to the center point of the view .
*/
void SetPos ( double posX , double posY ) { m_posX = posX ; m_posY = posY ; UpdateAll ( ) ; }
/** Set current view's dimensions in device context units.
* Needed by plotting functions . It doesn ' t refresh display .
* @ param scrX New position that corresponds to the center point of the view .
* @ param scrY New position that corresponds to the center point of the view .
*/
void SetScr ( int scrX , int scrY ) { m_scrX = scrX ; m_scrY = scrY ; }
/** Converts mpWindow (screen) pixel coordinates into graph (floating point) coordinates, using current mpWindow position and scale.
* @ sa p2y , x2p , y2p */
// double p2x(wxCoord pixelCoordX, bool drawOutside = true ); // { return m_posX + pixelCoordX/m_scaleX; }
inline double p2x ( wxCoord pixelCoordX ) { return m_posX + pixelCoordX / m_scaleX ; }
/** Converts mpWindow (screen) pixel coordinates into graph (floating point) coordinates, using current mpWindow position and scale.
* @ sa p2x , x2p , y2p */
// double p2y(wxCoord pixelCoordY, bool drawOutside = true ); //{ return m_posY - pixelCoordY/m_scaleY; }
inline double p2y ( wxCoord pixelCoordY ) { return m_posY - pixelCoordY / m_scaleY ; }
/** Converts graph (floating point) coordinates into mpWindow (screen) pixel coordinates, using current mpWindow position and scale.
* @ sa p2x , p2y , y2p */
// wxCoord x2p(double x, bool drawOutside = true); // { return (wxCoord) ( (x-m_posX) * m_scaleX); }
inline wxCoord x2p ( double x ) { return ( wxCoord ) ( ( x - m_posX ) * m_scaleX ) ; }
/** Converts graph (floating point) coordinates into mpWindow (screen) pixel coordinates, using current mpWindow position and scale.
* @ sa p2x , p2y , x2p */
// wxCoord y2p(double y, bool drawOutside = true); // { return (wxCoord) ( (m_posY-y) * m_scaleY); }
inline wxCoord y2p ( double y ) { return ( wxCoord ) ( ( m_posY - y ) * m_scaleY ) ; }
/** Enable/disable the double-buffering of the window, eliminating the flicker (default=disabled).
*/
void EnableDoubleBuffer ( bool enabled ) { m_enableDoubleBuffer = enabled ; }
/** Enable/disable the feature of pan/zoom with the mouse (default=enabled)
*/
void EnableMousePanZoom ( bool enabled ) { m_enableMouseNavigation = enabled ; }
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/** Enable/disable trackpad friendly panning (2-axis scroll wheel)
*/
void EnableMouseWheelPan ( bool enabled ) { m_enableMouseWheelPan = enabled ; }
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/** Enable or disable X/Y scale aspect locking for the view.
* @ note Explicit calls to mpWindow : : SetScaleX and mpWindow : : SetScaleY will set
* an unlocked aspect , but any other action changing the view scale will
* lock the aspect again .
*/
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void LockAspect ( bool enable = true ) ;
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/** Checks whether the X/Y scale aspect is locked.
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* @ retval true Locked
* @ retval false Unlocked
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*/
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inline bool IsAspectLocked ( ) const { return m_lockaspect ; }
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/** Set view to fit global bounding box of all plot layers and refresh display.
* Scale and position will be set to show all attached mpLayers .
* The X / Y scale aspect lock is taken into account .
*/
void Fit ( ) override ;
/** Set view to fit a given bounding box and refresh display.
* The X / Y scale aspect lock is taken into account .
* If provided , the parameters printSizeX and printSizeY are taken as the DC size , and the
* pixel scales are computed accordingly . Also , in this case the passed borders are not saved
* as the " desired borders " , since this use will be invoked only when printing .
*/
void Fit ( double xMin , double xMax , double yMin , double yMax ,
wxCoord * printSizeX = NULL , wxCoord * printSizeY = NULL ) ;
/** Zoom into current view and refresh display
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* @ param centerPoint The point ( pixel coordinates ) that will stay in the same
* position on the screen after the zoom ( by default , the center of the mpWindow ) .
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*/
void ZoomIn ( const wxPoint & centerPoint = wxDefaultPosition ) ;
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void ZoomIn ( const wxPoint & centerPoint , double zoomFactor ) ;
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/** Zoom out current view and refresh display
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* @ param centerPoint The point ( pixel coordinates ) that will stay in the same
* position on the screen after the zoom ( by default , the center of the mpWindow ) .
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*/
void ZoomOut ( const wxPoint & centerPoint = wxDefaultPosition ) ;
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void ZoomOut ( const wxPoint & centerPoint , double zoomFactor ) ;
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/** Zoom in current view along X and refresh display */
void ZoomInX ( ) ;
/** Zoom out current view along X and refresh display */
void ZoomOutX ( ) ;
/** Zoom in current view along Y and refresh display */
void ZoomInY ( ) ;
/** Zoom out current view along Y and refresh display */
void ZoomOutY ( ) ;
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/** Zoom view fitting given coordinates to the window (p0 and p1 do not need to be in any specific order)
*/
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void ZoomRect ( wxPoint p0 , wxPoint p1 ) ;
/** Refresh display */
void UpdateAll ( ) ;
// Added methods by Davide Rondini
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/** Counts the number of plot layers, excluding axes or text: this is to count only the layers
* which have a bounding box .
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* \ return The number of profiles plotted .
*/
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unsigned int CountLayers ( ) const ;
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/** Counts the number of plot layers, whether or not they have a bounding box.
* \ return The number of layers in the mpWindow . */
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unsigned int CountAllLayers ( ) const { return m_layers . size ( ) ; } ;
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#if 0
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/** Draws the mpWindow on a page for printing
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* \ param print the mpPrintout where to print the graph
*/
void PrintGraph ( mpPrintout * print ) ;
# endif
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/** Returns the left-border layer coordinate that the user wants the mpWindow to show
* ( it may be not exactly the actual shown coordinate in the case of locked aspect ratio ) .
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* @ sa Fit
*/
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double GetDesiredXmin ( ) const { return m_desiredXmin ; }
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/** Returns the right-border layer coordinate that the user wants the mpWindow to show
* ( it may be not exactly the actual shown coordinate in the case of locked aspect ratio ) .
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* @ sa Fit
*/
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double GetDesiredXmax ( ) const { return m_desiredXmax ; }
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/** Returns the bottom-border layer coordinate that the user wants the mpWindow to show
* ( it may be not exactly the actual shown coordinate in the case of locked aspect ratio ) .
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* @ sa Fit
*/
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double GetDesiredYmin ( ) const { return m_desiredYmin ; }
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/** Returns the top layer-border coordinate that the user wants the mpWindow to show
* ( it may be not exactly the actual shown coordinate in the case of locked aspect ratio ) .
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* @ sa Fit
*/
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double GetDesiredYmax ( ) const { return m_desiredYmax ; }
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/** Returns the bounding box coordinates
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* @ param bbox Pointer to a 6 - element double array where to store bounding box coordinates .
*/
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void GetBoundingBox ( double * bbox ) const ;
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/** Enable/disable scrollbars
* @ param status Set to true to show scrollbars */
void SetMPScrollbars ( bool status ) ;
/** Get scrollbars status.
* @ return true if scrollbars are visible */
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bool GetMPScrollbars ( ) const { return m_enableScrollBars ; } ;
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/** Draw the window on a wxBitmap, then save it to a file.
* @ param filename File name where to save the screenshot
* @ param type image type to be saved : see wxImage output file types for flags
* @ param imageSize Set a size for the output image . Default is the same as the screen size
* @ param fit Decide whether to fit the plot into the size */
bool SaveScreenshot ( const wxString & filename , wxBitmapType type = wxBITMAP_TYPE_BMP ,
wxSize imageSize = wxDefaultSize , bool fit = false ) ;
/** This value sets the zoom steps whenever the user clicks "Zoom in/out" or performs zoom with the mouse wheel.
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* It must be a number above unity . This number is used for zoom in , and its inverse for zoom out .
* Set to 1.5 by default .
*/
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static double zoomIncrementalFactor ;
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/** Set window margins, creating a blank area where some kinds of layers cannot draw.
* This is useful for example to draw axes outside the area where the plots are drawn .
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* @ param top Top border
* @ param right Right border
* @ param bottom Bottom border
* @ param left Left border */
void SetMargins ( int top , int right , int bottom , int left ) ;
/** Set the top margin. @param top Top Margin */
void SetMarginTop ( int top ) { m_marginTop = top ; } ;
/** Set the right margin. @param right Right Margin */
void SetMarginRight ( int right ) { m_marginRight = right ; } ;
/** Set the bottom margin. @param bottom Bottom Margin */
void SetMarginBottom ( int bottom ) { m_marginBottom = bottom ; } ;
/** Set the left margin. @param left Left Margin */
void SetMarginLeft ( int left ) { m_marginLeft = left ; } ;
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/** @return the top margin. */
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int GetMarginTop ( ) const { return m_marginTop ; } ;
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/** @return the right margin. */
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int GetMarginRight ( ) const { return m_marginRight ; } ;
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/** @return the bottom margin. */
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int GetMarginBottom ( ) const { return m_marginBottom ; } ;
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/** @return the left margin. */
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int GetMarginLeft ( ) const { return m_marginLeft ; } ;
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#if 0
/** Sets whether to show coordinate tooltip when mouse passes over the plot.
* \ param value true for enable , false for disable
*/
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// void EnableCoordTooltip(bool value = true);
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/** Gets coordinate tooltip status.
* \ return true for enable , false for disable
*/
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// bool GetCoordTooltip() { return m_coordTooltip; };
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# endif
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/** Check if a given point is inside the area of a mpInfoLayer and eventually returns its pointer.
* @ param point The position to be checked
* @ return If an info layer is found , returns its pointer , NULL otherwise */
mpInfoLayer * IsInsideInfoLayer ( wxPoint & point ) ;
/** Sets the visibility of a layer by its name.
* @ param name The layer name to set visibility
* @ param viewable the view status to be set */
void SetLayerVisible ( const wxString & name , bool viewable ) ;
/** Check whether a layer with given name is visible
* @ param name The layer name
* @ return layer visibility status */
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bool IsLayerVisible ( const wxString & name ) const ;
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/** Sets the visibility of a layer by its position in layer list.
* @ param position The layer position in layer list
* @ param viewable the view status to be set */
void SetLayerVisible ( const unsigned int position , bool viewable ) ;
/** Check whether the layer at given position is visible
* @ param position The layer position in layer list
* @ return layer visibility status */
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bool IsLayerVisible ( unsigned int position ) const ;
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/** Set Color theme. Provide colours to set a new colour theme.
* @ param bgColour Background colour
* @ param drawColour The colour used to draw all elements in foreground , axes excluded
* @ param axesColour The colour used to draw axes ( but not their labels ) */
void SetColourTheme ( const wxColour & bgColour ,
const wxColour & drawColour ,
const wxColour & axesColour ) ;
/** Get axes draw colour
* @ return reference to axis colour used in theme */
const wxColour & GetAxesColour ( ) { return m_axColour ; } ;
/** Limit zooming & panning to the area used by the plots */
void LimitView ( bool aEnable )
{
m_enableLimitedView = aEnable ;
}
protected :
void OnPaint ( wxPaintEvent & event ) ; // !< Paint handler, will plot all attached layers
void OnSize ( wxSizeEvent & event ) ; // !< Size handler, will update scroll bar sizes
// void OnScroll2 (wxScrollWinEvent &event); //!< Scroll handler, will move canvas
void OnShowPopupMenu ( wxMouseEvent & event ) ; // !< Mouse handler, will show context menu
void OnMouseMiddleDown ( wxMouseEvent & event ) ; // !< Mouse handler, for detecting when the user
// !< drags with the middle button or just "clicks" for the menu
void OnCenter ( wxCommandEvent & event ) ; // !< Context menu handler
void OnFit ( wxCommandEvent & event ) ; // !< Context menu handler
void OnZoomIn ( wxCommandEvent & event ) ; // !< Context menu handler
void OnZoomOut ( wxCommandEvent & event ) ; // !< Context menu handler
void OnLockAspect ( wxCommandEvent & event ) ; // !< Context menu handler
void OnMouseWheel ( wxMouseEvent & event ) ; // !< Mouse handler for the wheel
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void OnMagnify ( wxMouseEvent & event ) ; // !< Pinch zoom handler
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void OnMouseMove ( wxMouseEvent & event ) ; // !< Mouse handler for mouse motion (for pan)
void OnMouseLeftDown ( wxMouseEvent & event ) ; // !< Mouse left click (for rect zoom)
void OnMouseLeftRelease ( wxMouseEvent & event ) ; // !< Mouse left click (for rect zoom)
void OnScrollThumbTrack ( wxScrollWinEvent & event ) ; // !< Scroll thumb on scroll bar moving
void OnScrollPageUp ( wxScrollWinEvent & event ) ; // !< Scroll page up
void OnScrollPageDown ( wxScrollWinEvent & event ) ; // !< Scroll page down
void OnScrollLineUp ( wxScrollWinEvent & event ) ; // !< Scroll line up
void OnScrollLineDown ( wxScrollWinEvent & event ) ; // !< Scroll line down
void OnScrollTop ( wxScrollWinEvent & event ) ; // !< Scroll to top
void OnScrollBottom ( wxScrollWinEvent & event ) ; // !< Scroll to bottom
void DoScrollCalc ( const int position , const int orientation ) ;
void DoZoomInXCalc ( const int staticXpixel ) ;
void DoZoomInYCalc ( const int staticYpixel ) ;
void DoZoomOutXCalc ( const int staticXpixel ) ;
void DoZoomOutYCalc ( const int staticYpixel ) ;
bool CheckXLimits ( double & desiredMax , double & desiredMin ) const
{
return ! ( m_enableLimitedView
& & ( desiredMax > m_maxX - m_marginRight / m_scaleX
| | desiredMin < m_minX - m_marginLeft / m_scaleX ) ) ;
}
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bool CheckYLimits ( double & desiredMax , double & desiredMin ) const
{
return ! ( m_enableLimitedView
& & ( desiredMax > m_maxY + m_marginBottom / m_scaleY
| | desiredMin < m_minY + m_marginTop / m_scaleY ) ) ;
}
void AdjustLimitedView ( ) ;
/** Recalculate global layer bounding box, and save it in m_minX,...
* \ return true if there is any valid BBox information .
*/
virtual bool UpdateBBox ( ) ;
/** Applies new X view coordinates depending on the settings
* \ return true if the changes were applied
*/
virtual bool SetXView ( double pos , double desiredMax , double desiredMin ) ;
/** Applies new Y view coordinates depending on the settings
* \ return true if the changes were applied
*/
virtual bool SetYView ( double pos , double desiredMax , double desiredMin ) ;
// wxList m_layers; //!< List of attached plot layers
wxLayerList m_layers ; // !< List of attached plot layers
wxMenu m_popmenu ; // !< Canvas' context menu
bool m_lockaspect ; // !< Scale aspect is locked or not
// bool m_coordTooltip; //!< Selects whether to show coordinate tooltip
wxColour m_bgColour ; // !< Background Colour
wxColour m_fgColour ; // !< Foreground Colour
wxColour m_axColour ; // !< Axes Colour
double m_minX ; // !< Global layer bounding box, left border incl.
double m_maxX ; // !< Global layer bounding box, right border incl.
double m_minY ; // !< Global layer bounding box, bottom border incl.
double m_maxY ; // !< Global layer bounding box, top border incl.
double m_scaleX ; // !< Current view's X scale
double m_scaleY ; // !< Current view's Y scale
double m_posX ; // !< Current view's X position
double m_posY ; // !< Current view's Y position
int m_scrX ; // !< Current view's X dimension
int m_scrY ; // !< Current view's Y dimension
int m_clickedX ; // !< Last mouse click X position, for centering and zooming the view
int m_clickedY ; // !< Last mouse click Y position, for centering and zooming the view
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/** These are updated in Fit() only, and may be different from the real borders
* ( layer coordinates ) only if lock aspect ratio is true .
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*/
double m_desiredXmin , m_desiredXmax , m_desiredYmin , m_desiredYmax ;
int m_marginTop , m_marginRight , m_marginBottom , m_marginLeft ;
int m_last_lx , m_last_ly ; // !< For double buffering
wxMemoryDC m_buff_dc ; // !< For double buffering
wxBitmap * m_buff_bmp ; // !< For double buffering
bool m_enableDoubleBuffer ; // !< For double buffering
bool m_enableMouseNavigation ; // !< For pan/zoom with the mouse.
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bool m_enableMouseWheelPan ; // !< Trackpad pan/zoom
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bool m_enableLimitedView ;
wxPoint m_mouseMClick ; // !< For the middle button "drag" feature
wxPoint m_mouseLClick ; // !< Starting coords for rectangular zoom selection
bool m_enableScrollBars ;
wxPoint m_scroll ;
mpInfoLayer * m_movingInfoLayer ; // !< For moving info layers over the window area
bool m_zooming ;
wxRect m_zoomRect ;
DECLARE_DYNAMIC_CLASS ( mpWindow )
DECLARE_EVENT_TABLE ( )
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} ;
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// -----------------------------------------------------------------------------
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// mpFXYVector - provided by Jose Luis Blanco
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// -----------------------------------------------------------------------------
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/** A class providing graphs functionality for a 2D plot (either continuous or a set of points), from vectors of data.
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* This class can be used directly , the user does not need to derive any new class . Simply pass the data as two vectors
* with the same length containing the X and Y coordinates to the method SetData .
*
* To generate a graph with a set of points , call
* \ code
* layerVar - > SetContinuity ( false )
* \ endcode
*
* or
*
* \ code
* layerVar - > SetContinuity ( true )
* \ endcode
*
* to render the sequence of coordinates as a continuous line .
*
* ( Added : Jose Luis Blanco , AGO - 2007 )
*/
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class WXDLLIMPEXP_MATHPLOT mpFXYVector : public mpFXY
{
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public :
/** @param name Label
* @ param flags Label alignment , pass one of # mpALIGN_NE , # mpALIGN_NW , # mpALIGN_SW , # mpALIGN_SE .
*/
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mpFXYVector ( const wxString & name = wxEmptyString , int flags = mpALIGN_NE ) ;
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virtual ~ mpFXYVector ( ) { }
/** Changes the internal data: the set of points to draw.
* Both vectors MUST be of the same length . This method DOES NOT refresh the mpWindow ; do it manually .
* @ sa Clear
*/
virtual void SetData ( const std : : vector < double > & xs , const std : : vector < double > & ys ) ;
/** Clears all the data, leaving the layer empty.
* @ sa SetData
*/
void Clear ( ) ;
protected :
/** The internal copy of the set of data to draw.
*/
std : : vector < double > m_xs , m_ys ;
/** The internal counter for the "GetNextXY" interface
*/
size_t m_index ;
/** Loaded at SetData
*/
double m_minX , m_maxX , m_minY , m_maxY ;
/** Rewind value enumeration with mpFXY::GetNextXY.
* Overridden in this implementation .
*/
void Rewind ( ) override ;
/** Get locus value for next N.
* Overridden in this implementation .
* @ param x Returns X value
* @ param y Returns Y value
*/
bool GetNextXY ( double & x , double & y ) override ;
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size_t GetCount ( ) const override ;
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public :
/** Returns the actual minimum X data (loaded in SetData).
*/
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double GetMinX ( ) const override { return m_minX ; }
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/** Returns the actual minimum Y data (loaded in SetData).
*/
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double GetMinY ( ) const override { return m_minY ; }
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/** Returns the actual maximum X data (loaded in SetData).
*/
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double GetMaxX ( ) const override { return m_maxX ; }
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/** Returns the actual maximum Y data (loaded in SetData).
*/
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double GetMaxY ( ) const override { return m_maxY ; }
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protected :
DECLARE_DYNAMIC_CLASS ( mpFXYVector )
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} ;
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#if 0
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class WXDLLIMPEXP_MATHPLOT mpFSemiLogXVector : public mpFXYVector
{
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public :
/** @param name Label
* @ param flags Label alignment , pass one of # mpALIGN_NE , # mpALIGN_NW , # mpALIGN_SW , # mpALIGN_SE .
*/
mpFSemiLogXVector ( wxString name = wxEmptyString , int flags = mpALIGN_NE ) ;
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virtual ~ mpFSemiLogXVector ( ) { }
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/** Changes the internal data: the set of points to draw.
* Both vectors MUST be of the same length . This method DOES NOT refresh the mpWindow ; do it manually .
* @ sa Clear
*/
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DECLARE_DYNAMIC_CLASS ( mpFSemiLogXVector )
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} ;
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# endif
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// -----------------------------------------------------------------------------
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// mpText - provided by Val Greene
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// -----------------------------------------------------------------------------
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/** Plot layer implementing a text string.
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* The text is plotted using a percentage system 0 - 100 % , so the actual
* coordinates for the location are not required , and the text stays
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* on the plot regardless of the other layers location and scaling
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* factors .
*/
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class WXDLLIMPEXP_MATHPLOT mpText : public mpLayer
{
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public :
/** @param name text to be drawn in the plot
* @ param offsetx holds offset for the X location in percentage ( 0 - 100 )
* @ param offsety holds offset for the Y location in percentage ( 0 - 100 ) */
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mpText ( const wxString & name = wxT ( " Title " ) , int offsetx = 5 , int offsety = 50 ) ;
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/** Text Layer plot handler.
* This implementation will plot text adjusted to the visible area . */
virtual void Plot ( wxDC & dc , mpWindow & w ) override ;
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/** mpText should not be used for scaling decisions. */
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virtual bool HasBBox ( ) const override { return false ; }
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protected :
int m_offsetx ; // !< Holds offset for X in percentage
int m_offsety ; // !< Holds offset for Y in percentage
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DECLARE_DYNAMIC_CLASS ( mpText )
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} ;
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// -----------------------------------------------------------------------------
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// mpPrintout - provided by Davide Rondini
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// -----------------------------------------------------------------------------
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/** Printout class used by mpWindow to draw in the objects to be printed.
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* The object itself can then used by the default wxWidgets printing system
* to print mppWindow objects .
*/
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class WXDLLIMPEXP_MATHPLOT mpPrintout : public wxPrintout
{
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public :
mpPrintout ( mpWindow * drawWindow , const wxChar * title = _T ( " wxMathPlot print output " ) ) ;
virtual ~ mpPrintout ( ) { } ;
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void SetDrawState ( bool drawState ) { drawn = drawState ; } ;
bool OnPrintPage ( int page ) override ;
bool HasPage ( int page ) override ;
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private :
bool drawn ;
mpWindow * plotWindow ;
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} ;
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// -----------------------------------------------------------------------------
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// mpMovableObject - provided by Jose Luis Blanco
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// -----------------------------------------------------------------------------
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/** This virtual class represents objects that can be moved to an arbitrary 2D location+rotation.
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* The current transformation is set through SetCoordinateBase .
* To ease the implementation of descendent classes , mpMovableObject will
* be in charge of Bounding Box computation and layer rendering , assuming that
* the object updates its shape in m_shape_xs & m_shape_ys .
*/
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class WXDLLIMPEXP_MATHPLOT mpMovableObject : public mpLayer
{
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public :
/** Default constructor (sets location and rotation to (0,0,0))
*/
mpMovableObject ( ) :
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m_flags ( 0 ) ,
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m_reference_x ( 0 ) ,
m_reference_y ( 0 ) ,
m_reference_phi ( 0 ) ,
m_shape_xs ( 0 ) ,
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m_shape_ys ( 0 ) ,
m_bbox_min_x ( 0 ) ,
m_bbox_max_x ( 0 ) ,
m_bbox_min_y ( 0 ) ,
m_bbox_max_y ( 0 )
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{
m_type = mpLAYER_PLOT ;
}
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virtual ~ mpMovableObject ( ) { } ;
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/** Get the current coordinate transformation.
*/
void GetCoordinateBase ( double & x , double & y , double & phi ) const
{
x = m_reference_x ;
y = m_reference_y ;
phi = m_reference_phi ;
}
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/** Set the coordinate transformation (phi in radians, 0 means no rotation).
*/
void SetCoordinateBase ( double x , double y , double phi = 0 )
{
m_reference_x = x ;
m_reference_y = y ;
m_reference_phi = phi ;
m_flags = mpALIGN_NE ;
ShapeUpdated ( ) ;
}
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virtual bool HasBBox ( ) const override { return m_trans_shape_xs . size ( ) ! = 0 ; }
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/** Get inclusive left border of bounding box.
*/
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virtual double GetMinX ( ) const override { return m_bbox_min_x ; }
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/** Get inclusive right border of bounding box.
*/
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virtual double GetMaxX ( ) const override { return m_bbox_max_x ; }
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/** Get inclusive bottom border of bounding box.
*/
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virtual double GetMinY ( ) const override { return m_bbox_min_y ; }
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/** Get inclusive top border of bounding box.
*/
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virtual double GetMaxY ( ) const override { return m_bbox_max_y ; }
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virtual void Plot ( wxDC & dc , mpWindow & w ) override ;
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/** Set label axis alignment.
* @ param align alignment ( choose between mpALIGN_NE , mpALIGN_NW , mpALIGN_SW , mpALIGN_SE
*/
void SetAlign ( int align ) { m_flags = align ; } ;
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protected :
int m_flags ; // !< Holds label alignment
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/** The coordinates of the object (orientation "phi" is in radians).
*/
double m_reference_x , m_reference_y , m_reference_phi ;
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/** A method for 2D translation and rotation, using the current transformation
* stored in m_reference_x , m_reference_y , m_reference_phi .
*/
void TranslatePoint ( double x , double y , double & out_x , double & out_y ) ;
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/** This contains the object points, in local coordinates
* ( to be transformed by the current transformation ) .
*/
std : : vector < double > m_shape_xs , m_shape_ys ;
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/** The buffer for the translated & rotated points (to avoid recomputing them with each mpWindow refresh).
*
*/
std : : vector < double > m_trans_shape_xs , m_trans_shape_ys ;
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/** The precomputed bounding box:
* @ sa ShapeUpdated
*/
double m_bbox_min_x , m_bbox_max_x , m_bbox_min_y , m_bbox_max_y ;
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/** Must be called by the descendent class after updating the shape (m_shape_xs/ys),
* or when the transformation changes .
* This method updates the buffers m_trans_shape_xs / ys , and the precomputed bounding box .
*/
void ShapeUpdated ( ) ;
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} ;
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// -----------------------------------------------------------------------------
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// mpCovarianceEllipse - provided by Jose Luis Blanco
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// -----------------------------------------------------------------------------
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/** A 2D ellipse, described by a 2x2 covariance matrix.
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* The relation between the multivariate Gaussian confidence interval and
* the " quantiles " in this class is :
* - 1 : 68.27 % confidence interval
* - 2 : 95.45 %
* - 3 : 99.73 %
* - 4 : 99.994 %
* For example , see http : //en.wikipedia.org/wiki/Normal_distribution#Standard_deviation_and_confidence_intervals
*
* The ellipse will be always centered at the origin . Use mpMovableObject : : SetCoordinateBase to move it .
*/
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class WXDLLIMPEXP_MATHPLOT mpCovarianceEllipse : public mpMovableObject
{
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public :
/** Default constructor.
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* Initializes to a unity diagonal covariance matrix , a 95 % confidence interval ( 2 sigmas ) ,
* 32 segments , and a continuous plot ( m_continuous = true ) .
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*/
mpCovarianceEllipse ( double cov_00 = 1 ,
double cov_11 = 1 ,
double cov_01 = 0 ,
double quantiles = 2 ,
int segments = 32 ,
const wxString & layerName = wxT ( " " ) ) :
m_cov_00 ( cov_00 ) ,
m_cov_11 ( cov_11 ) ,
m_cov_01 ( cov_01 ) ,
m_quantiles ( quantiles ) ,
m_segments ( segments )
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{
m_continuous = true ;
m_name = layerName ;
RecalculateShape ( ) ;
m_type = mpLAYER_PLOT ;
}
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virtual ~ mpCovarianceEllipse ( ) { }
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double GetQuantiles ( ) const { return m_quantiles ; }
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/** Set how many "quantiles" to draw, that is, the confidence interval of the ellipse (see above).
*/
void SetQuantiles ( double q )
{
m_quantiles = q ;
RecalculateShape ( ) ;
}
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void SetSegments ( int segments ) { m_segments = segments ; }
int GetSegments ( ) const { return m_segments ; }
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/** Returns the elements of the current covariance matrix:
*/
void GetCovarianceMatrix ( double & cov_00 , double & cov_01 , double & cov_11 ) const
{
cov_00 = m_cov_00 ;
cov_01 = m_cov_01 ;
cov_11 = m_cov_11 ;
}
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/** Changes the covariance matrix:
*/
void SetCovarianceMatrix ( double cov_00 , double cov_01 , double cov_11 )
{
m_cov_00 = cov_00 ;
m_cov_01 = cov_01 ;
m_cov_11 = cov_11 ;
RecalculateShape ( ) ;
}
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protected :
/** The elements of the matrix (only 3 since cov(0,1)=cov(1,0) in any positive definite matrix).
*/
double m_cov_00 , m_cov_11 , m_cov_01 ;
double m_quantiles ;
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/** The number of line segments that build up the ellipse.
*/
int m_segments ;
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/** Called to update the m_shape_xs, m_shape_ys vectors, whenever a parameter changes.
*/
void RecalculateShape ( ) ;
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} ;
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// -----------------------------------------------------------------------------
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// mpPolygon - provided by Jose Luis Blanco
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// -----------------------------------------------------------------------------
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/** An arbitrary polygon, descendant of mpMovableObject.
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* Use " setPoints " to set the list of N points . This class also can draw non - closed polygons by
* passing the appropriate parameters to " setPoints " . To draw a point - cloud , call " SetContinuity(false) " .
*/
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class WXDLLIMPEXP_MATHPLOT mpPolygon : public mpMovableObject
{
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public :
/** Default constructor.
*/
mpPolygon ( const wxString & layerName = wxT ( " " ) )
{
m_continuous = true ;
m_name = layerName ;
}
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virtual ~ mpPolygon ( ) { }
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/** Set the points in the polygon.
* @ param points_xs The X coordinates of the points .
* @ param points_ys The Y coordinates of the points .
* @ param closedShape If set to true , an additional segment will be added from the last to the first point .
*/
void setPoints ( const std : : vector < double > & points_xs ,
const std : : vector < double > & points_ys ,
bool closedShape = true ) ;
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} ;
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// -----------------------------------------------------------------------------
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// mpMovableObject - provided by Jose Luis Blanco
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// -----------------------------------------------------------------------------
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/** This virtual class represents objects that can be moved to an arbitrary 2D location+rotation.
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* The current transformation is set through SetCoordinateBase .
* To ease the implementation of descendent classes , mpMovableObject will
* be in charge of Bounding Box computation and layer render , assuming that
* the object updates its shape in m_shape_xs & m_shape_ys .
*/
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class WXDLLIMPEXP_MATHPLOT mpBitmapLayer : public mpLayer
{
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public :
/** Default constructor.
*/
mpBitmapLayer ( )
{
m_min_x = m_max_x =
m_min_y = m_max_y = 0 ;
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m_scaledBitmap_offset_x = 0 ;
m_scaledBitmap_offset_y = 0 ;
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m_validImg = false ;
m_type = mpLAYER_BITMAP ;
}
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virtual ~ mpBitmapLayer ( ) { } ;
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/** Returns a copy of the current bitmap assigned to the layer.
*/
void GetBitmapCopy ( wxImage & outBmp ) const ;
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/** Change the bitmap associated with the layer (to update the screen, refresh the mpWindow).
* @ param inBmp The bitmap to associate . A copy is made , thus it can be released after calling this .
* @ param x The left corner X coordinate ( in plot units ) .
* @ param y The top corner Y coordinate ( in plot units ) .
* @ param lx The width in plot units .
* @ param ly The height in plot units .
*/
void SetBitmap ( const wxImage & inBmp , double x , double y , double lx , double ly ) ;
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virtual bool HasBBox ( ) const override { return true ; }
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/** Get inclusive left border of bounding box.
*/
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virtual double GetMinX ( ) const override { return m_min_x ; }
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/** Get inclusive right border of bounding box.
*/
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virtual double GetMaxX ( ) const override { return m_max_x ; }
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/** Get inclusive bottom border of bounding box.
*/
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virtual double GetMinY ( ) const override { return m_min_y ; }
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/** Get inclusive top border of bounding box.
*/
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virtual double GetMaxY ( ) const override { return m_max_y ; }
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virtual void Plot ( wxDC & dc , mpWindow & w ) override ;
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/** Set label axis alignment.
* @ param align alignment ( choose between mpALIGN_NE , mpALIGN_NW , mpALIGN_SW , mpALIGN_SE
*/
void SetAlign ( int align ) { m_flags = align ; } ;
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protected :
int m_flags ; // !< Holds label alignment
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/** The internal copy of the Bitmap:
*/
wxImage m_bitmap ;
wxBitmap m_scaledBitmap ;
wxCoord m_scaledBitmap_offset_x , m_scaledBitmap_offset_y ;
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bool m_validImg ;
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/** The shape of the bitmap:
*/
double m_min_x , m_max_x , m_min_y , m_max_y ;
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} ;
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# endif // _MP_MATHPLOT_H_