#include <Whiteboard.h>

Inheritance diagram for ns_whiteboard::display_type:

Public Member Functions
virtual void	DrawPoint (const xy_coords &coord)=0

virtual void	DrawPoint (double x, double y)=0

virtual void	DrawLine (const xy_coords &startCoord, const xy_coords &stopCoord)=0

virtual void	DrawRect (const xy_coords &topLeftCoord, const xy_coords &bottomRightCoord)=0

virtual void	DrawText (const xy_coords &coords, const string &chars, double rot_angle, double point_size, const vert_align vAlign, const horiz_align hAlign)=0

virtual void	DrawArc (const xy_coords &coords, const double radius, const double startAngle, const double stopAngle)=0

virtual const color &	GetColor () const =0

virtual void	SetColor (const color &C)=0

virtual double	GetLineWidth () const =0

virtual void	SetLineWidth (const double width)=0

virtual const string &	GetFontName () const =0

virtual double	GetFontSize () const =0

virtual void	SetFont (const string &font, const double size)=0

virtual void	Finish ()=0

virtual	~display_type ()

Detailed Description

An abstract base class that defines the boundaries of the display within the whiteboard. Derived classes know how to draw objects in a particular graphics file format.

Constructor & Destructor Documentation

virtual ns_whiteboard::display_type::~display_type ( )

inlinevirtual

Member Function Documentation

virtual void ns_whiteboard::display_type::DrawArc	(	const xy_coords &	coords,
		const double	radius,
		const double	startAngle,
		const double	stopAngle
	)

pure virtual

Abstract method to draw an arc witin a whiteboard.

Parameters

coords	x-y start coordinate for the arc
radius	radius of curvature for the arc
startAngle	starting angle
stopAngle	finishing angle

Implemented in ns_whiteboard::ps_display.

virtual void ns_whiteboard::display_type::DrawLine	(	const xy_coords &	startCoord,
		const xy_coords &	stopCoord
	)

pure virtual

Abstract method to draw a line within a whiteboard.

Parameters

startCoord	starting x-y coordinate of line
stopCoord	stopping x-y coordinate of line

Implemented in ns_whiteboard::ps_display.

virtual void ns_whiteboard::display_type::DrawPoint ( const xy_coords & coord )

pure virtual

Abstract method to draw a point.

Parameters

coord x-y coordinates of point

Implemented in ns_whiteboard::ps_display.

virtual void ns_whiteboard::display_type::DrawPoint	(	double	x,
		double	y
	)

pure virtual

Abstract method to draw a point.

Parameters

x	x-coordinate of point
y	y-coordinate of point

Implemented in ns_whiteboard::ps_display.

virtual void ns_whiteboard::display_type::DrawRect	(	const xy_coords &	topLeftCoord,
		const xy_coords &	bottomRightCoord
	)

pure virtual

Abstract method to draw a rectangle within a whiteboard.

Parameters

topLeftCoord	top-left coordinate of rectangle within whiteboard
bottomRightCoord	bottom-right coordinate of rectangle within whiteboard

Implemented in ns_whiteboard::ps_display.

virtual void ns_whiteboard::display_type::DrawText	(	const xy_coords &	coords,
		const string &	chars,
		double	rot_angle,
		double	point_size,
		const vert_align	vAlign,
		const horiz_align	hAlign
	)

pure virtual

Abstract method to draw text within a whiteboard.

Parameters

coords	left-most starting position for text
chars	the string to display
rot_angle	rotation angle for the text, with 0 being horizontal
point_size	size of the text in points
vAlign	vertical alignment of text. valid arguments are: align_top,align_middle, align_bottom
hAlign	horizontal alignment of text. valid arguments are: align_left, align_center, align_right