logic
Class CanvasHandler

java.lang.Object
  logic.CanvasHandler

All Implemented Interfaces:

java.awt.event.KeyListener, java.awt.event.MouseListener, java.awt.event.MouseMotionListener, java.awt.event.MouseWheelListener, java.util.EventListener, javax.media.opengl.GLEventListener

public class CanvasHandler
extends java.lang.Object
implements javax.media.opengl.GLEventListener, java.awt.event.MouseMotionListener, java.awt.event.MouseListener, java.awt.event.KeyListener, java.awt.event.MouseWheelListener

Handler for GLCanvas, OpenGL and user input

Author:

Felix Fleiß (MatrNr: 0527038)

Nested Class Summary

static class

CanvasHandler.SurfaceDrawType

Field Summary

java.util.LinkedList<Drawable>	drawList
CanvasHandler.SurfaceDrawType	surfaceDrawType
boolean	useLight

Constructor Summary

CanvasHandler()
initializes CanvasHandler

CanvasHandler(java.util.LinkedList<Drawable> drawList)
initializes CanvasHandler by assigning a draw-able list

Method Summary

void	addDrawable(Drawable drawable) adds a drawable to the end of the list
void	addDrawableBeforeFirst(Drawable drawable) adds a drawable to the beginning of the list
void	display(javax.media.opengl.GLAutoDrawable arg0) internal used function for GLCanvas to display (render) drawables
void	displayChanged(javax.media.opengl.GLAutoDrawable arg0, boolean arg1, boolean arg2)
javax.media.opengl.GL	getGL() returns the jogl GL context
void	init(javax.media.opengl.GLAutoDrawable arg0) configures OpenGL
static boolean	isShowText() returns if true if text shall be displayed, else returns false
void	keyPressed(java.awt.event.KeyEvent e)
void	keyReleased(java.awt.event.KeyEvent e)
void	keyTyped(java.awt.event.KeyEvent e)
void	mouseClicked(java.awt.event.MouseEvent e)
void	mouseDragged(java.awt.event.MouseEvent e)
void	mouseEntered(java.awt.event.MouseEvent e)
void	mouseExited(java.awt.event.MouseEvent e)
void	mouseMoved(java.awt.event.MouseEvent e)
void	mousePressed(java.awt.event.MouseEvent e)
void	mouseReleased(java.awt.event.MouseEvent e)
void	mouseWheelMoved(java.awt.event.MouseWheelEvent e)
void	removeDrawable(Drawable drawable) removes a specific drawable
void	reshape(javax.media.opengl.GLAutoDrawable arg0, int arg1, int arg2, int width, int height)
void	setDrawableList(java.util.LinkedList<Drawable> drawList) replaces the whole drawable list of the CanvasHandler with the given one
static void	setShowText(boolean showText) defines if text is displayed in the canvas

Methods inherited from class java.lang.Object

equals, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Field Detail

drawList

public java.util.LinkedList<Drawable> drawList

useLight

public boolean useLight

surfaceDrawType

public CanvasHandler.SurfaceDrawType surfaceDrawType

Constructor Detail

CanvasHandler

public CanvasHandler()

initializes CanvasHandler

CanvasHandler

public CanvasHandler(java.util.LinkedList<Drawable> drawList)

initializes CanvasHandler by assigning a draw-able list

Parameters:

drawList - list of objects to draw (calls draw-function)

Method Detail

addDrawable

public void addDrawable(Drawable drawable)

adds a drawable to the end of the list

Parameters:

drawable -

addDrawableBeforeFirst

public void addDrawableBeforeFirst(Drawable drawable)

adds a drawable to the beginning of the list

Parameters:

drawable -

removeDrawable

public void removeDrawable(Drawable drawable)

removes a specific drawable

Parameters:

drawable -

setDrawableList

public void setDrawableList(java.util.LinkedList<Drawable> drawList)

replaces the whole drawable list of the CanvasHandler with the given one

Parameters:

drawList -

init

public void init(javax.media.opengl.GLAutoDrawable arg0)

configures OpenGL

Specified by:

init in interface javax.media.opengl.GLEventListener

display

public void display(javax.media.opengl.GLAutoDrawable arg0)

internal used function for GLCanvas to display (render) drawables

Specified by:

display in interface javax.media.opengl.GLEventListener

reshape

public void reshape(javax.media.opengl.GLAutoDrawable arg0,
                    int arg1,
                    int arg2,
                    int width,
                    int height)

Specified by:

reshape in interface javax.media.opengl.GLEventListener

displayChanged

public void displayChanged(javax.media.opengl.GLAutoDrawable arg0,
                           boolean arg1,
                           boolean arg2)

Specified by:

displayChanged in interface javax.media.opengl.GLEventListener

mouseDragged

public void mouseDragged(java.awt.event.MouseEvent e)

Specified by:

mouseDragged in interface java.awt.event.MouseMotionListener

mouseMoved

public void mouseMoved(java.awt.event.MouseEvent e)

Specified by:

mouseMoved in interface java.awt.event.MouseMotionListener

mouseClicked

public void mouseClicked(java.awt.event.MouseEvent e)

Specified by:

mouseClicked in interface java.awt.event.MouseListener

mouseEntered

public void mouseEntered(java.awt.event.MouseEvent e)

Specified by:

mouseEntered in interface java.awt.event.MouseListener

mouseExited

public void mouseExited(java.awt.event.MouseEvent e)

Specified by:

mouseExited in interface java.awt.event.MouseListener

mousePressed

public void mousePressed(java.awt.event.MouseEvent e)

Specified by:

mousePressed in interface java.awt.event.MouseListener

mouseReleased

public void mouseReleased(java.awt.event.MouseEvent e)

Specified by:

mouseReleased in interface java.awt.event.MouseListener

keyPressed

public void keyPressed(java.awt.event.KeyEvent e)

Specified by:

keyPressed in interface java.awt.event.KeyListener

keyReleased

public void keyReleased(java.awt.event.KeyEvent e)

Specified by:

keyReleased in interface java.awt.event.KeyListener

keyTyped

public void keyTyped(java.awt.event.KeyEvent e)

Specified by:

keyTyped in interface java.awt.event.KeyListener

mouseWheelMoved

public void mouseWheelMoved(java.awt.event.MouseWheelEvent e)

Specified by:

mouseWheelMoved in interface java.awt.event.MouseWheelListener

getGL

public javax.media.opengl.GL getGL()

returns the jogl GL context

Returns:

gl

isShowText

public static boolean isShowText()

returns if true if text shall be displayed, else returns false

Returns:

is text shown?

setShowText

public static void setShowText(boolean showText)

defines if text is displayed in the canvas

Parameters:

showText - if true, the text is shown, otherwise not