Root pure virtual class for PLOT_FS and PLOT_MF. Is NOT designed to be used by library end users,. More...

#include <plot_fuzzy.hpp>

Inheritance diagram for slifis_plot::PLOT_FUZZY:

Collaboration diagram for slifis_plot::PLOT_FUZZY:

Public Member Functions
void	Set_NbDec (int v)
	Assign nb of decimal points on which a value is printed on plot.
void	SetAutoScale (bool b)
void	Set_ShowPointValues (bool b)
	Show or don't show the points values next to them on horizontal axis.
void	Set_ThickLine (bool b)
	This function is empty and is there only to provide a default implementation of the virtual function, see re-implementations.
void	Set_DrawVertLines (bool b)
void	Set_ShowXValues (bool b)
	Show or don't show the points x values on horizontal axis.
bool	HasScale () const
void	SetScale (PLOT_HSCALE s)
	Assigns the scale `scale` to the plot, and switch off autoscaling.
void	SetScale (const PLOT_FUZZY &other)
	Assigns the scale `scale` to the plot, and switch off autoscaling.
PLOT_HSCALE	GetScale () const
	This is used to fetch the scale of a previously scale of the plot.
void	TransformCoordS2R (int x, int y, double &real_x, double &real_y)
	Transform Screen coordinates (x,y) in pixel units, to "Real" coordinates (real_x, real_y), in user space.
void	TransformCoordR2S (int &x, int &y, double real_x, double real_y)
	Transform Real coordinates (real and fuzzy values) to Screen coordinates (pixel units)
bool	Draw ()
	Computes scale and draws plot.
void	DrawPoint (slifis::FPOINT pt, GAPI_COLOR col=GAPI_BuildColor(50, 50, 50))
	Draw point on plot.
void	DrawPoint (slifis::REALVAL x, slifis::FUZZYVAL y, GAPI_COLOR col=GAPI_BuildColor(50, 50, 50))
	Draw point on plot.
void	SetCaption (std::string s)
void	Resize (int w, int h)
	Changes size of plot.
virtual void	DrawValue (slifis::REALVAL x, GAPI_COLOR col)=0
virtual std::string	GetPlotName () const =0
Protected Member Functions
	PLOT_FUZZY (size_t w, size_t h)
	Constructor.
virtual	~PLOT_FUZZY ()
void	P_DrawAxis ()
	Draw axis.
void	P_DrawVLine2Point (const slifis::FPOINT &p)
	Draw vertical line between x axis and point `p`.
virtual bool	P_ComputeScale ()=0
virtual void	P_DrawPlot ()=0
void	P_DrawMembFunc (const slifis::MEMBFUNC &mf, const GAPI_COLOR col)
	Draws the function `mf` with color `col`,.
const char *	P_GetXLabel (slifis::REALVAL val)
	Returns the text label according to value `val` and defined text format.
int	P_GetPixelCoord_x (slifis::REALVAL x)
	Returns pixel horizontal coordinates for real value `x`.
int	P_GetPixelCoord_y (slifis::FUZZYVAL y)
	Returns pixel vertical coordinates for fuzzy value `y`.
slifis::REALVAL	P_GetRealValue (int x)
	Returns real (horizontal) value from pixel coordinates.
slifis::FUZZYVAL	P_GetFuzzyValue (int y)
	Returns fuzzy (vertical) value from pixel coordinates.
Protected Attributes
int	x_yaxis
	Horizontal position of the 'y' axis (pixels)
PLOT_HSCALE	_hscale
int	_x_range
	range in pixels used for the plot (distance between first and last point)
int	_x_first
	position in pixel used for first point
int	_x_last
double	y_scale
	Vertical scale. Computed once in constructor.
int	y_0
	vertical pixel position of fuzzy value "0.0"
int	y_1
	vertical pixel position of fuzzy value "1.0"
bool	_AutoScale
	if flag is true (default), then each drawing of the plot will recompute the scale so it fits best
int	_NbDec
	Number of decimal values, default is 1.
char	_format [32]
	Format string.
bool	_ShowPointValues
	Show points values next to the points, default is true.
bool	_ShowXValues
	Show x values, default is true.
bool	_DrawVertLines
	Draw or not vertical lines on plot.
int	_LineWidth
bool	_PreviousScaleAvailable
std::string	_caption
	optional caption on plot
bool	_HasCaption
Static Protected Attributes
Common parameters for drawing fuzzy plots
static GAPI_COLOR	col_axis = GAPI_BuildColor( 128 , 128 , 128 )
	color of axis
static GAPI_COLOR	col_txt = GAPI_BuildColor( 0, 128 , 200 )
	color of txt
static GAPI_COLOR	col_vline = GAPI_BuildColor( 200, 200, 200 )
	color of vertical line to point
static GAPI_COLOR	col_xlabel = GAPI_BuildColor( 0, 128 , 50 )
	color of text of horizontal labels
static GAPI_COLOR	col_xtic = GAPI_BuildColor( 30, 0, 0 )
	color of x tic
static GAPI_COLOR	col_point_label = GAPI_BuildColor( 0, 0, 50 )
Private Member Functions
void	P_ComputeMargins ()
	Computes all the margins needed for plotting (private). Depends on image size, so is called by constructor, or after a call to ChangeSize(). Implementation of pure virtual function PLOT::P_ComputeMargins()

Detailed Description

Root pure virtual class for PLOT_FS and PLOT_MF. Is NOT designed to be used by library end users,.

this is why the constructor is protected.

Constructor & Destructor Documentation

slifis_plot::PLOT_FUZZY::PLOT_FUZZY	(	size_t	w,
		size_t	h
	)		`[protected]`

Constructor.

References __IN__, __OUT__, _DrawVertLines, _HasCaption, _LineWidth, slifis_plot::PLOT::_margins, _PreviousScaleAvailable, _ShowPointValues, _ShowXValues, H2_MARGIN, H_FIRST, slifis_plot::PLOT_MARGINS::m_hl, slifis_plot::PLOT_MARGINS::m_hr, slifis_plot::PLOT_MARGINS::m_vb, slifis_plot::PLOT_MARGINS::m_vt, P_ComputeMargins(), slifis_plot::PLOT::s_LineWidth, and Set_NbDec().

slifis_plot::PLOT_FUZZY::~PLOT_FUZZY ( ) [protected, virtual]

References __IN__, and __OUT__.

Member Function Documentation

void slifis_plot::PLOT_FUZZY::Set_NbDec ( int v ) [virtual]

Assign nb of decimal points on which a value is printed on plot.

Value is automatically truncated in the range [0-5]

Reimplemented from slifis_plot::PLOT.

References _format, and _NbDec.

Referenced by main(), and PLOT_FUZZY().

void slifis_plot::PLOT_FUZZY::SetAutoScale ( bool b ) [inline]

References _AutoScale.

void slifis_plot::PLOT_FUZZY::Set_ShowPointValues ( bool b ) [inline, virtual]

Show or don't show the points values next to them on horizontal axis.

Reimplemented from slifis_plot::PLOT.

References _ShowPointValues.

void slifis_plot::PLOT_FUZZY::Set_ThickLine ( bool v ) [inline, virtual]

This function is empty and is there only to provide a default implementation of the virtual function, see re-implementations.

Reimplemented from slifis_plot::PLOT.

References _LineWidth.

void slifis_plot::PLOT_FUZZY::Set_DrawVertLines ( bool b ) [inline]

References _DrawVertLines.

Referenced by main().

void slifis_plot::PLOT_FUZZY::Set_ShowXValues ( bool b ) [inline]

Show or don't show the points x values on horizontal axis.

References _ShowXValues.

Referenced by main().

bool slifis_plot::PLOT_FUZZY::HasScale ( ) const [inline]

References _PreviousScaleAvailable.

Referenced by TransformCoordS2R().

void slifis_plot::PLOT_FUZZY::SetScale ( PLOT_HSCALE s )

Assigns the scale scale to the plot, and switch off autoscaling.

References _AutoScale, _hscale, and _PreviousScaleAvailable.

Referenced by DrawDefuzz(), main(), Process(), and SetScale().

void slifis_plot::PLOT_FUZZY::SetScale ( const PLOT_FUZZY & other )

Assigns the scale scale to the plot, and switch off autoscaling.

References GetScale(), and SetScale().

PLOT_HSCALE slifis_plot::PLOT_FUZZY::GetScale ( ) const

This is used to fetch the scale of a previously scale of the plot.

References __IN__, __OUT__, _hscale, _PreviousScaleAvailable, slifis::ERR_PLOT_NOSCALE, and SLIFIS_ERROR.

Referenced by main(), and SetScale().

void slifis_plot::PLOT_FUZZY::TransformCoordS2R	(	int	x,
		int	y,
		double &	real_x,
		double &	real_y
	)

Transform Screen coordinates (x,y) in pixel units, to "Real" coordinates (real_x, real_y), in user space.

Warning:: This function requires an available scale factor ! (see Scaling issues.)

References __IN__, __OUT__, slifis::ERR_GAPI_NO_SCALE, HasScale(), P_GetFuzzyValue(), P_GetRealValue(), and SLIFIS_ERROR_1.

Referenced by Process().

void slifis_plot::PLOT_FUZZY::TransformCoordR2S	(	int &	x,
		int &	y,
		double	real_x,
		double	real_y
	)

Transform Real coordinates (real and fuzzy values) to Screen coordinates (pixel units)

References P_GetPixelCoord_x(), and P_GetPixelCoord_y().

Referenced by DrawPoint(), P_DrawMembFunc(), slifis_plot::PLOT_MF::P_DrawPlot(), and P_DrawVLine2Point().

bool slifis_plot::PLOT_FUZZY::Draw ( ) [virtual]

Computes scale and draws plot.

If in 'AutoScale' mode, then if scale is not computable, the previous scale is used (if there is one). If not, an warning is generated, and function returns false.

This function also does the common stuff, before calling the right function (clear image, draw axis, ...)

Implements slifis_plot::PLOT.

References __IN__, __OUT__, _AutoScale, _caption, slifis_plot::PLOT::_p_img, _PreviousScaleAvailable, col_txt, slifis_plot::GAPI_BuildPoint(), slifis_plot::GAPI_DrawText(), slifis_plot::PLOT::GetW(), P_ComputeScale(), P_DrawAxis(), P_DrawPlot(), slifis_plot::PLOT::P_InitDraw(), slifis_plot::plot_data(), and SLIFIS_WARNING.

Referenced by DrawDefuzz(), main(), Process(), and Show().

void slifis_plot::PLOT_FUZZY::DrawPoint	(	slifis::FPOINT	pt,
		GAPI_COLOR	col = `GAPI_BuildColor(50,50,50)`
	)

Draw point on plot.

References slifis::FPOINT::GetX(), and slifis::FPOINT::GetY().

Referenced by slifis_plot::PLOT_FS::DrawValue(), slifis_plot::PLOT_MF::DrawValue(), and main().

void slifis_plot::PLOT_FUZZY::DrawPoint	(	slifis::REALVAL	x,
		slifis::FUZZYVAL	y,
		GAPI_COLOR	col = `GAPI_BuildColor(50,50,50)`
	)

Draw point on plot.

References slifis_plot::PLOT::_margins, slifis_plot::PLOT::_p_img, slifis_plot::PLOT::_txtbuf, col_point_label, slifis_plot::GAPI_BuildPoint(), slifis_plot::GAPI_DrawLine(), slifis_plot::GAPI_DrawText(), slifis_plot::PLOT_MARGINS::m_hl, slifis_plot::plot_data(), TransformCoordR2S(), slifis_plot::GAPI_POINT::x, slifis_plot::GAPI_POINT::y, and y_0.

void slifis_plot::PLOT_FUZZY::SetCaption ( std::string s ) [inline]

References _caption, and _HasCaption.

Referenced by main(), and Show().

void slifis_plot::PLOT_FUZZY::Resize	(	int	w,
		int	h
	)

Changes size of plot.

References __IN__, __OUT__, slifis_plot::PLOT::P_ChangeSize(), and P_ComputeMargins().

Referenced by main().

virtual void slifis_plot::PLOT_FUZZY::DrawValue	(	slifis::REALVAL	x,
		GAPI_COLOR	col
	)		`[pure virtual]`

Implemented in slifis_plot::PLOT_MF, and slifis_plot::PLOT_FS.

virtual std::string slifis_plot::PLOT_FUZZY::GetPlotName ( ) const [pure virtual]

Implements slifis_plot::PLOT.

Implemented in slifis_plot::PLOT_MF, and slifis_plot::PLOT_FS.

void slifis_plot::PLOT_FUZZY::P_DrawAxis ( ) [protected]

Draw axis.

Assumes font is initialised

References __IN__, __OUT__, slifis_plot::PLOT::_margins, slifis_plot::PLOT::_p_img, _x_last, col_axis, col_vline, col_xtic, slifis_plot::GAPI_BuildPoint(), slifis_plot::GAPI_DrawLine(), slifis_plot::GAPI_DrawText(), slifis_plot::PLOT::GetW(), H_FIRST, slifis_plot::PLOT_MARGINS::m_hl, slifis_plot::PLOT_MARGINS::m_vt, slifis_plot::plot_data(), x_yaxis, y_0, and y_1.

Referenced by Draw().

void slifis_plot::PLOT_FUZZY::P_DrawVLine2Point ( const slifis::FPOINT & p ) [protected]

Draw vertical line between x axis and point p.

References __IN__, __OUT__, _DrawVertLines, slifis_plot::PLOT::_p_img, col_vline, slifis_plot::GAPI_BuildPoint(), slifis_plot::GAPI_DrawLine(), slifis::FPOINT::GetX(), slifis::FPOINT::GetY(), TransformCoordR2S(), and y_0.

Referenced by P_DrawMembFunc().

virtual bool slifis_plot::PLOT_FUZZY::P_ComputeScale ( ) [protected, pure virtual]

Implemented in slifis_plot::PLOT_MF, and slifis_plot::PLOT_FS.

Referenced by Draw().

virtual void slifis_plot::PLOT_FUZZY::P_DrawPlot ( ) [protected, pure virtual]

Implemented in slifis_plot::PLOT_MF, and slifis_plot::PLOT_FS.

Referenced by Draw().

void slifis_plot::PLOT_FUZZY::P_DrawMembFunc	(	const slifis::MEMBFUNC &	mf,
		const GAPI_COLOR	col
	)		`[protected]`

Draws the function mf with color col,.

no erasing of anything
assumes scale has been correctly set. If not, bad bad things can happen...

References __IN__, __OUT__, _format, _LineWidth, slifis_plot::PLOT::_margins, slifis_plot::PLOT::_p_img, _ShowPointValues, _ShowXValues, slifis_plot::PLOT::_txtbuf, _x_last, col_axis, col_txt, col_xlabel, col_xtic, slifis_plot::en_aa_on, slifis_plot::GAPI_BuildPoint(), slifis_plot::GAPI_DrawLine(), slifis_plot::GAPI_DrawText(), slifis::MEMBFUNC::GetFirstPoint(), slifis::MEMBFUNC::GetMaxValue(), slifis::MEMBFUNC::GetName(), slifis::MEMBFUNC::GetNbPoints(), slifis::MEMBFUNC::GetPoint(), slifis::MEMBFUNC::GetRightValue(), slifis::FPOINT::GetX(), slifis::FPOINT::GetY(), H_FIRST, slifis::MEMBFUNC::IsEmpty(), slifis::MEMBFUNC::IsValid(), slifis_plot::PLOT_MARGINS::m_hl, P_DrawVLine2Point(), slifis_plot::plot_data(), SLIFIS_WARNING_1, TransformCoordR2S(), y_0, and y_scale.

Referenced by slifis_plot::PLOT_FS::P_DrawPlot(), and slifis_plot::PLOT_MF::P_DrawPlot().

const char * slifis_plot::PLOT_FUZZY::P_GetXLabel ( slifis::REALVAL val ) [protected]

Returns the text label according to value val and defined text format.

Actually, returns the adress of the class buffer...

References _format, and slifis_plot::PLOT::_txtbuf.

Referenced by slifis_plot::PLOT_MF::P_DrawPlot().

int slifis_plot::PLOT_FUZZY::P_GetPixelCoord_x ( slifis::REALVAL x ) [protected]

Returns pixel horizontal coordinates for real value x.

References _hscale, _x_first, slifis_plot::PLOT_HSCALE::scale, and slifis_plot::PLOT_HSCALE::x0.

Referenced by TransformCoordR2S().

int slifis_plot::PLOT_FUZZY::P_GetPixelCoord_y ( slifis::FUZZYVAL y ) [protected]

Returns pixel vertical coordinates for fuzzy value y.

References y_0, and y_scale.

Referenced by TransformCoordR2S().

REALVAL slifis_plot::PLOT_FUZZY::P_GetRealValue ( int x ) [protected]

Returns real (horizontal) value from pixel coordinates.

References _hscale, _x_first, slifis_plot::PLOT_HSCALE::scale, and slifis_plot::PLOT_HSCALE::x0.

Referenced by slifis_plot::PLOT_MF::P_DrawPlot(), and TransformCoordS2R().

FUZZYVAL slifis_plot::PLOT_FUZZY::P_GetFuzzyValue ( int y ) [protected]

Returns fuzzy (vertical) value from pixel coordinates.

References y_0, and y_scale.

Referenced by TransformCoordS2R().

void slifis_plot::PLOT_FUZZY::P_ComputeMargins ( ) [private]

Computes all the margins needed for plotting (private). Depends on image size, so is called by constructor, or after a call to ChangeSize(). Implementation of pure virtual function PLOT::P_ComputeMargins()

References __IN__, __OUT__, _AutoScale, slifis_plot::PLOT::_margins, _PreviousScaleAvailable, _x_first, _x_last, _x_range, slifis_plot::PLOT::GetH(), slifis_plot::PLOT::GetW(), H2_MARGIN, H_FIRST, slifis_plot::PLOT_MARGINS::m_hl, slifis_plot::PLOT_MARGINS::m_vb, slifis_plot::PLOT_MARGINS::m_vt, V2_MARGIN, x_yaxis, y_0, y_1, and y_scale.