Screen Class Reference

Window that is displayed to the Participant. More...

#include <Screen.h>

List of all members.

Public Member Functions
void	init (HINSTANCE hThisInst, int xPos, int yPos, int width, int height, void(*displayFcn)(int))
	Initializes the window.
BOOL	createRenderContext (void)
	Rendering context is for openGL drawing commands.
void	deleteRenderContext (void)
	Deleted.
void	clear ()
void	lock ()
void	unlocked ()
void	getSizePixel (int &height, int &width)
	Return the size of the screen in pixel.
Vector2D	getCenter (void)
	Return workspace coordinate for center of screen.
void	setCenter (Vector2D size)
	Set center of screen in workspace coordinates.
Vector2D	getSize (void)
	Return the size (in workspace coordinates)
Vector2D	getScale (void)
	Scaling (size of one pixel in Workspace coordinates)
void	setScale (Vector2D scale)
	Scaling factor of pixel to coordinate system.
void	setColor (int theColor)
	Sets the current drawing color (from list of colors)
void	setColor (Color_t theColor)
	Sets the current drawing color (in RGB)
void	drawDisk (GLfloat xsize, GLfloat ysize, GLfloat x, GLfloat y)
	Draws a Rectangle.
void	drawDisk (Vector2D size, Vector2D pos)
	Draws a Circle.
void	drawCircle (GLfloat xsize, GLfloat ysize, GLfloat x, GLfloat y)
void	drawCircle (GLfloat xsize, GLfloat ysize, GLfloat x, GLfloat y, int linewidth)
void	drawCircle (Vector2D size, Vector2D pos)
void	drawSegment (Vector2D size, Vector2D pos, float startang, float endang)
	Draws a circular segment.
void	drawRect (GLfloat xsize, GLfloat ysize, GLfloat xpos, GLfloat ypos)
	Draws a Rectangle.
void	drawRect (Vector2D size, Vector2D pos)
	Draws a Rectangle.
void	drawBox (GLfloat xsize, GLfloat ysize, GLfloat xpos, GLfloat ypos)
	Draws a Filled Rectangle.
void	drawBox (Vector2D size, Vector2D pos)
	Draws a Filled Rectangle.
void	drawLine (GLfloat xposStart, GLfloat yposStart, GLfloat xposEnd, GLfloat yposEnd, GLfloat width=1)
	Draws a Filled Rectangle.
void	drawLine (Vector2D start, Vector2D end)
	Draws a Filled Rectangle.
void	drawArrow (Vector2D start, Vector2D end, double headLength)
	Draws an Arrow.
void	drawPlus (Vector2D size, Vector2D pos)
	Draws an Plus sign.
void	drawHex (Vector2D size, Vector2D pos)
	Draws a regular hexagon.
void	drawHexF (Vector2D size, Vector2D pos)
	Draws a filled regular hexagon.
void	print (string s, double x, double y, GLfloat magnification)
	Prints a string on the screen.
void	print (string s, Vector2D pos, GLfloat magnification)
void	printChar (char s, double x, double y, GLfloat magnification)
	Prints a var on the screen.
void	switchSetup ()
	switches between setups (L/R reversal)
void	close ()
	Closes the window.
Static Public Member Functions
static void	reshape (int w, int h)
	Static callback functions.
static void	display (HWND hwnd)
	Static callback functions: update Graphics.
static void	onKey (unsigned char k, int x, int y)
	Static callback function.
static void	setProjection ()
	Sets the Projection matrix, depending on scale and center.
static LRESULT CALLBACK	messageCallback (HWND, UINT, WPARAM, LPARAM)
Static Public Attributes
static HWND	windowHnd
	Window Handle.
static WNDCLASSEX	wcl
static HDC	hDeviceContext
static HGLRC	hRenderContext
static void(*	updateGraphics )(int)
static Color_t	black = {0,0,0}
	BLACK: 0.
static Color_t	white = {255,255,255}
	1
static Color_t	red = {200,0,0}
	2
static Color_t	green = {0,220,100}
	3
static Color_t	blue = {20,20,255}
	4
static Color_t	grey = {180,180,180}
	5
static Color_t	salmon = {255,160,122}
	6
static Color_t	yellow = {255,255,0}
	7
static Color_t	pale = {80,60,0}
	8
static Color_t	lightblue = {100,100,255}
	9
static bool	keyPressed = 0
static char	key
static double	lastTime
static double	lastCycle
static bool	isLocked
static int	circlelist
static int	rectlist
static int	disklist
static int	boxlist
static int	hexlist
static int	hexFlist
static Vector2D	scale
	What is the size of a pixel in workspace coordinates?
static Vector2D	center
	What workspace coordinate is in the middle of the screen?
static int	windowWidth
	What is the width of the window in pixel?
static int	windowHeight
	What is the height of the window in pixel?

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Detailed Description

Window that is displayed to the Participant.

Screen implements a Window without a frame. It has a scale parameter, that influences the projection, so that all drawing commands can be performed in the Workspace of the robot, i.e. in cm.

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Member Function Documentation

void Screen::drawSegment	(	Vector2D	size,
		Vector2D	pos,
		float	startang,
		float	endang
	)

Draws a circular segment.

Draws a segement from startang to endang (in degrees, 0 is up) Does not use a precompiled display list

Parameters:

size	x and y size of the ellipse
position	in workspace
startang	angle to start at (goes clockwise)
endend	angle to end with

void Screen::drawRect	(	GLfloat	xsize,
		GLfloat	ysize,
		GLfloat	xpos,
		GLfloat	ypos
	)

Draws a Rectangle.

Draws a rectangle on the screen.

Parameters:

xsize	width of the rectangle
ysize	height of the rectangle
xpos	position of the center of the rectangle
ypos	position of the center of the rectangle

void Screen::print	(	string	s,
		Vector2D	pos,
		GLfloat	magnification
	)		[inline]

Parameters:

magnification

Prints a string on the screen

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The documentation for this class was generated from the following files:

• Screen.h
• Screen.cpp