Jcg.viewer.editor2d

Class Canvas2D

java.lang.Object

java.awt.Component

java.awt.Canvas

Jcg.viewer.editor2d.Canvas2D

All Implemented Interfaces:

java.awt.event.MouseListener, java.awt.event.MouseMotionListener, java.awt.image.ImageObserver, java.awt.MenuContainer, java.io.Serializable, java.util.EventListener, javax.accessibility.Accessible

Direct Known Subclasses:

CylindricalCanvas2D

public class Canvas2D
extends java.awt.Canvas
implements java.awt.event.MouseListener, java.awt.event.MouseMotionListener

Simple class for visualizing planar graphs and plane objects (points, segments, ...)

Version:

dec 2012

Author:

Luca Castelli Aleardi, Ecole Polytechnique (INF562)

See Also:

Serialized Form

Nested Class Summary

Nested classes/interfaces inherited from class java.awt.Component

java.awt.Component.BaselineResizeBehavior

Field Summary

Fields

Modifier and Type	Field and Description
int	actionToPerform
static int	ADD_EDGE
static int	ADD_VERTEX
AlgorithmList	algorithms
Draw	draw
java.awt.Color[]	edgeColors
double	epsilon
GeometricGraph_2	graph
int	height
Polyhedron_3<Point_2>	mesh
static int	MOVE_VERTEX
static int	MOVE_WINDOW
Point_2	p1
Point_2	p2
static int	REMOVE_VERTEX
boolean	showBoundingBox
boolean	showGrid
int	width
static int	ZOOM_IN
static int	ZOOM_OUT

Fields inherited from class java.awt.Component

BOTTOM_ALIGNMENT, CENTER_ALIGNMENT, LEFT_ALIGNMENT, RIGHT_ALIGNMENT, TOP_ALIGNMENT

Fields inherited from interface java.awt.image.ImageObserver

ABORT, ALLBITS, ERROR, FRAMEBITS, HEIGHT, PROPERTIES, SOMEBITS, WIDTH

Constructor Summary

Constructors

Constructor and Description
Canvas2D() Create a 2D window for drawing 2D objects

Method Summary

Modifier and Type	Method and Description
void	addLabel(Point_2 p, java.lang.String label)
void	addPoint(Point_2 p)
void	addPoints(java.util.Collection<Point_2> points)
void	addPolyhedronEdges(Polyhedron_3<Point_2> mesh, java.awt.Color[] edgeColors)
void	addPolyhedronVertexLabels(Polyhedron_3<Point_2> mesh, java.lang.String[] labels)
void	addPolyhedronVertices(Polyhedron_3<Point_2> mesh)
void	addSegment(Point_2 p, Point_2 q)
void	addSegment(Point_2 p, Point_2 q, java.awt.Color c)
void	addSegment(Segment_2 s)
void	addSegment(Segment_2 s, java.awt.Color c)
void	addSegments(java.util.Collection<Segment_2> segments)
static Node<Point_2>	findClosestVertex(GeometricGraph_2 graph, Point_2 p, double epsilon) Return the list of vertices which are at distance at most epsilon from point p
static java.util.Collection<Node<Point_2>>	findCloseVertices(GeometricGraph_2 graph, Point_2 p, double epsilon) Return the list of vertices which are at distance at most epsilon from point p
void	initRenderedObjects() Clear all rendered objects (geometric data are not deleted)
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	paint(java.awt.Graphics g) Main method defining the rendering of the scene
void	restore() Restore initial configuration (data are deleted)
void	zoomIn() Perform a zoom (resize the window limits)
void	zoomOut() Perform a reverse zoom (resize the window limits)

Methods inherited from class java.awt.Canvas

addNotify, createBufferStrategy, createBufferStrategy, getAccessibleContext, getBufferStrategy, update

Methods inherited from class java.awt.Component

action, add, addComponentListener, addFocusListener, addHierarchyBoundsListener, addHierarchyListener, addInputMethodListener, addKeyListener, addMouseListener, addMouseMotionListener, addMouseWheelListener, addPropertyChangeListener, addPropertyChangeListener, applyComponentOrientation, areFocusTraversalKeysSet, bounds, checkImage, checkImage, contains, contains, createImage, createImage, createVolatileImage, createVolatileImage, deliverEvent, disable, dispatchEvent, doLayout, enable, enable, enableInputMethods, firePropertyChange, firePropertyChange, firePropertyChange, firePropertyChange, firePropertyChange, firePropertyChange, getAlignmentX, getAlignmentY, getBackground, getBaseline, getBaselineResizeBehavior, getBounds, getBounds, getColorModel, getComponentAt, getComponentAt, getComponentListeners, getComponentOrientation, getCursor, getDropTarget, getFocusCycleRootAncestor, getFocusListeners, getFocusTraversalKeys, getFocusTraversalKeysEnabled, getFont, getFontMetrics, getForeground, getGraphics, getGraphicsConfiguration, getHeight, getHierarchyBoundsListeners, getHierarchyListeners, getIgnoreRepaint, getInputContext, getInputMethodListeners, getInputMethodRequests, getKeyListeners, getListeners, getLocale, getLocation, getLocation, getLocationOnScreen, getMaximumSize, getMinimumSize, getMouseListeners, getMouseMotionListeners, getMousePosition, getMouseWheelListeners, getName, getParent, getPeer, getPreferredSize, getPropertyChangeListeners, getPropertyChangeListeners, getSize, getSize, getToolkit, getTreeLock, getWidth, getX, getY, gotFocus, handleEvent, hasFocus, hide, imageUpdate, inside, invalidate, isBackgroundSet, isCursorSet, isDisplayable, isDoubleBuffered, isEnabled, isFocusable, isFocusCycleRoot, isFocusOwner, isFocusTraversable, isFontSet, isForegroundSet, isLightweight, isMaximumSizeSet, isMinimumSizeSet, isOpaque, isPreferredSizeSet, isShowing, isValid, isVisible, keyDown, keyUp, layout, list, list, list, list, list, locate, location, lostFocus, minimumSize, mouseDown, mouseDrag, mouseEnter, mouseExit, mouseMove, mouseUp, move, nextFocus, paintAll, postEvent, preferredSize, prepareImage, prepareImage, print, printAll, remove, removeComponentListener, removeFocusListener, removeHierarchyBoundsListener, removeHierarchyListener, removeInputMethodListener, removeKeyListener, removeMouseListener, removeMouseMotionListener, removeMouseWheelListener, removeNotify, removePropertyChangeListener, removePropertyChangeListener, repaint, repaint, repaint, repaint, requestFocus, requestFocusInWindow, reshape, resize, resize, revalidate, setBackground, setBounds, setBounds, setComponentOrientation, setCursor, setDropTarget, setEnabled, setFocusable, setFocusTraversalKeys, setFocusTraversalKeysEnabled, setFont, setForeground, setIgnoreRepaint, setLocale, setLocation, setLocation, setMaximumSize, setMinimumSize, setName, setPreferredSize, setSize, setSize, setVisible, show, show, size, toString, transferFocus, transferFocusBackward, transferFocusUpCycle, validate

Methods inherited from class java.lang.Object

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

Field Detail

ADD_VERTEX

public static final int ADD_VERTEX

See Also:

Constant Field Values

ADD_EDGE

public static final int ADD_EDGE

See Also:

Constant Field Values

REMOVE_VERTEX

public static final int REMOVE_VERTEX

See Also:

Constant Field Values

MOVE_VERTEX

public static final int MOVE_VERTEX

See Also:

Constant Field Values

ZOOM_IN

public static final int ZOOM_IN

See Also:

Constant Field Values

ZOOM_OUT

public static final int ZOOM_OUT

See Also:

Constant Field Values

MOVE_WINDOW

public static final int MOVE_WINDOW

See Also:

Constant Field Values

p1

public Point_2 p1

p2

public Point_2 p2

height

public int height

width

public int width

epsilon

public double epsilon

draw

public Draw draw

actionToPerform

public int actionToPerform

showBoundingBox

public boolean showBoundingBox

showGrid

public boolean showGrid

mesh

public Polyhedron_3<Point_2> mesh

edgeColors

public java.awt.Color[] edgeColors

graph

public GeometricGraph_2 graph

algorithms

public AlgorithmList algorithms

Constructor Detail

Canvas2D

public Canvas2D()

Create a 2D window for drawing 2D objects

Method Detail

restore

public void restore()

Restore initial configuration (data are deleted)

initRenderedObjects

public void initRenderedObjects()

Clear all rendered objects (geometric data are not deleted)

zoomIn

public void zoomIn()

Perform a zoom (resize the window limits)

zoomOut

public void zoomOut()

Perform a reverse zoom (resize the window limits)

mouseClicked

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

Specified by:

mouseClicked in interface java.awt.event.MouseListener

mouseReleased

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

Specified by:

mouseReleased 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

mouseMoved

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

Specified by:

mouseMoved in interface java.awt.event.MouseMotionListener

mouseDragged

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

Specified by:

mouseDragged in interface java.awt.event.MouseMotionListener

mousePressed

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

Specified by:

mousePressed in interface java.awt.event.MouseListener

paint

public void paint(java.awt.Graphics g)

Main method defining the rendering of the scene

Overrides:

paint in class java.awt.Canvas

findCloseVertices

public static java.util.Collection<Node<Point_2>> findCloseVertices(GeometricGraph_2 graph,
                                                                    Point_2 p,
                                                                    double epsilon)

Return the list of vertices which are at distance at most epsilon from point p

findClosestVertex

public static Node<Point_2> findClosestVertex(GeometricGraph_2 graph,
                                              Point_2 p,
                                              double epsilon)

Return the list of vertices which are at distance at most epsilon from point p

addSegment

public void addSegment(Point_2 p,
                       Point_2 q)

addSegment

public void addSegment(Point_2 p,
                       Point_2 q,
                       java.awt.Color c)

addSegment

public void addSegment(Segment_2 s)

addSegment

public void addSegment(Segment_2 s,
                       java.awt.Color c)

addPoint

public void addPoint(Point_2 p)

addPoints

public void addPoints(java.util.Collection<Point_2> points)

addSegments

public void addSegments(java.util.Collection<Segment_2> segments)

addLabel

public void addLabel(Point_2 p,
                     java.lang.String label)

addPolyhedronEdges

public void addPolyhedronEdges(Polyhedron_3<Point_2> mesh,
                               java.awt.Color[] edgeColors)

addPolyhedronVertices

public void addPolyhedronVertices(Polyhedron_3<Point_2> mesh)

addPolyhedronVertexLabels

public void addPolyhedronVertexLabels(Polyhedron_3<Point_2> mesh,
                                      java.lang.String[] labels)