galapagos
Class TurtleDrawingWindow

java.lang.Object
  extended by java.awt.Component
      extended by java.awt.Container
          extended by java.awt.Window
              extended by java.awt.Frame
                  extended by javax.swing.JFrame
                      extended by galapagos.TurtleDrawingWindow
All Implemented Interfaces:
java.awt.image.ImageObserver, java.awt.MenuContainer, java.io.Serializable, javax.accessibility.Accessible, javax.swing.RootPaneContainer, javax.swing.WindowConstants

public class TurtleDrawingWindow
extends javax.swing.JFrame

A simple window for allowing turtles to draw. You can add multiple turtles to this window. With the current implementation, drawing becomes jaggy when you add multiple turtles. This performance problem will be addressed in the next release. Date Modified: February, 2009

Author:
Dr Caffeine
See Also:
Serialized Form

Nested Class Summary
 
Nested classes/interfaces inherited from class java.awt.Component
java.awt.Component.BaselineResizeBehavior
 
Field Summary
 
Fields inherited from class javax.swing.JFrame
EXIT_ON_CLOSE
 
Fields inherited from class java.awt.Frame
CROSSHAIR_CURSOR, DEFAULT_CURSOR, E_RESIZE_CURSOR, HAND_CURSOR, ICONIFIED, MAXIMIZED_BOTH, MAXIMIZED_HORIZ, MAXIMIZED_VERT, MOVE_CURSOR, N_RESIZE_CURSOR, NE_RESIZE_CURSOR, NORMAL, NW_RESIZE_CURSOR, S_RESIZE_CURSOR, SE_RESIZE_CURSOR, SW_RESIZE_CURSOR, TEXT_CURSOR, W_RESIZE_CURSOR, WAIT_CURSOR
 
Fields inherited from class java.awt.Component
BOTTOM_ALIGNMENT, CENTER_ALIGNMENT, LEFT_ALIGNMENT, RIGHT_ALIGNMENT, TOP_ALIGNMENT
 
Fields inherited from interface javax.swing.WindowConstants
DISPOSE_ON_CLOSE, DO_NOTHING_ON_CLOSE, HIDE_ON_CLOSE
 
Fields inherited from interface java.awt.image.ImageObserver
ABORT, ALLBITS, ERROR, FRAMEBITS, HEIGHT, PROPERTIES, SOMEBITS, WIDTH
 
Constructor Summary
TurtleDrawingWindow()
          A default constructor that creates an instance of the DrawingCanvas class.
 
Method Summary
 void add(galapagos.DrawingController owner)
          A mutator method that adds another DrawingController that will draw its trajectory on this canvas.
 void clear()
          Erases the current contents of the PlottingCanvas by painting the whole canvas with the background color.
 void setGrid(boolean showGrid)
          A mutator method that sets the flag for drawing the grid lines.
 void setOrigin(int x, int y)
          A mutator method that sets the origin point.
 void setUnit(double pixelsPerUnit)
          A mutator method that sets the scaling factor.
 void setVisible(boolean visible)
          Overrides the inherited method so the canvas is set up correctly.
 
Methods inherited from class javax.swing.JFrame
getAccessibleContext, getContentPane, getDefaultCloseOperation, getGlassPane, getGraphics, getJMenuBar, getLayeredPane, getRootPane, getTransferHandler, isDefaultLookAndFeelDecorated, remove, repaint, setContentPane, setDefaultCloseOperation, setDefaultLookAndFeelDecorated, setGlassPane, setIconImage, setJMenuBar, setLayeredPane, setLayout, setTransferHandler, update
 
Methods inherited from class java.awt.Frame
addNotify, getCursorType, getExtendedState, getFrames, getIconImage, getMaximizedBounds, getMenuBar, getState, getTitle, isResizable, isUndecorated, remove, removeNotify, setCursor, setExtendedState, setMaximizedBounds, setMenuBar, setResizable, setState, setTitle, setUndecorated
 
Methods inherited from class java.awt.Window
addPropertyChangeListener, addPropertyChangeListener, addWindowFocusListener, addWindowListener, addWindowStateListener, applyResourceBundle, applyResourceBundle, createBufferStrategy, createBufferStrategy, dispose, getBufferStrategy, getFocusableWindowState, getFocusCycleRootAncestor, getFocusOwner, getFocusTraversalKeys, getGraphicsConfiguration, getIconImages, getInputContext, getListeners, getLocale, getModalExclusionType, getMostRecentFocusOwner, getOwnedWindows, getOwner, getOwnerlessWindows, getToolkit, getWarningString, getWindowFocusListeners, getWindowListeners, getWindows, getWindowStateListeners, hide, isActive, isAlwaysOnTop, isAlwaysOnTopSupported, isFocusableWindow, isFocusCycleRoot, isFocused, isLocationByPlatform, isShowing, pack, postEvent, removeWindowFocusListener, removeWindowListener, removeWindowStateListener, reshape, setAlwaysOnTop, setBounds, setBounds, setCursor, setFocusableWindowState, setFocusCycleRoot, setIconImages, setLocationByPlatform, setLocationRelativeTo, setMinimumSize, setModalExclusionType, setSize, setSize, show, toBack, toFront
 
Methods inherited from class java.awt.Container
add, add, add, add, add, addContainerListener, applyComponentOrientation, areFocusTraversalKeysSet, countComponents, deliverEvent, doLayout, findComponentAt, findComponentAt, getAlignmentX, getAlignmentY, getComponent, getComponentAt, getComponentAt, getComponentCount, getComponents, getComponentZOrder, getContainerListeners, getFocusTraversalPolicy, getInsets, getLayout, getMaximumSize, getMinimumSize, getMousePosition, getPreferredSize, insets, invalidate, isAncestorOf, isFocusCycleRoot, isFocusTraversalPolicyProvider, isFocusTraversalPolicySet, layout, list, list, locate, minimumSize, paint, paintComponents, preferredSize, print, printComponents, remove, removeAll, removeContainerListener, setComponentZOrder, setFocusTraversalKeys, setFocusTraversalPolicy, setFocusTraversalPolicyProvider, setFont, transferFocusBackward, transferFocusDownCycle, validate
 
Methods inherited from class java.awt.Component
action, add, addComponentListener, addFocusListener, addHierarchyBoundsListener, addHierarchyListener, addInputMethodListener, addKeyListener, addMouseListener, addMouseMotionListener, addMouseWheelListener, bounds, checkImage, checkImage, contains, contains, createImage, createImage, createVolatileImage, createVolatileImage, disable, dispatchEvent, enable, enable, enableInputMethods, firePropertyChange, firePropertyChange, firePropertyChange, firePropertyChange, firePropertyChange, firePropertyChange, getBackground, getBaseline, getBaselineResizeBehavior, getBounds, getBounds, getColorModel, getComponentListeners, getComponentOrientation, getCursor, getDropTarget, getFocusListeners, getFocusTraversalKeysEnabled, getFont, getFontMetrics, getForeground, getHeight, getHierarchyBoundsListeners, getHierarchyListeners, getIgnoreRepaint, getInputMethodListeners, getInputMethodRequests, getKeyListeners, getLocation, getLocation, getLocationOnScreen, getMouseListeners, getMouseMotionListeners, getMousePosition, getMouseWheelListeners, getName, getParent, getPeer, getPropertyChangeListeners, getPropertyChangeListeners, getSize, getSize, getTreeLock, getWidth, getX, getY, gotFocus, handleEvent, hasFocus, imageUpdate, inside, isBackgroundSet, isCursorSet, isDisplayable, isDoubleBuffered, isEnabled, isFocusable, isFocusOwner, isFocusTraversable, isFontSet, isForegroundSet, isLightweight, isMaximumSizeSet, isMinimumSizeSet, isOpaque, isPreferredSizeSet, isValid, isVisible, keyDown, keyUp, list, list, list, location, lostFocus, mouseDown, mouseDrag, mouseEnter, mouseExit, mouseMove, mouseUp, move, nextFocus, paintAll, prepareImage, prepareImage, printAll, removeComponentListener, removeFocusListener, removeHierarchyBoundsListener, removeHierarchyListener, removeInputMethodListener, removeKeyListener, removeMouseListener, removeMouseMotionListener, removeMouseWheelListener, removePropertyChangeListener, removePropertyChangeListener, repaint, repaint, repaint, requestFocus, requestFocusInWindow, resize, resize, setBackground, setComponentOrientation, setDropTarget, setEnabled, setFocusable, setFocusTraversalKeysEnabled, setForeground, setIgnoreRepaint, setLocale, setLocation, setLocation, setMaximumSize, setName, setPreferredSize, show, size, toString, transferFocus, transferFocusUpCycle
 
Methods inherited from class java.lang.Object
equals, getClass, hashCode, notify, notifyAll, wait, wait, wait
 
Methods inherited from interface java.awt.MenuContainer
getFont, postEvent
 

Constructor Detail

TurtleDrawingWindow

public TurtleDrawingWindow()
A default constructor that creates an instance of the DrawingCanvas class. Grid lines are drawn, the center position of the canvas is set to (0,0) of the logical (user) coordinate, and the scaling unit is set to the default size defined by the constant DrawingCanvas.DEFAULT_UNIT.

Method Detail

add

public void add(galapagos.DrawingController owner)
A mutator method that adds another DrawingController that will draw its trajectory on this canvas.

Parameters:
owner - A DrawingController that will draw its trajectory on this canvas.

clear

public void clear()
Erases the current contents of the PlottingCanvas by painting the whole canvas with the background color.


setGrid

public void setGrid(boolean showGrid)
A mutator method that sets the flag for drawing the grid lines. Passing true will make the grid lines to appear.

Parameters:
showGrid - Pass 'true' to show the grid lines.

setOrigin

public void setOrigin(int x,
                      int y)
A mutator method that sets the origin point. The parameter (x,y) specifies the point in the logical coordinate system that corresponds to the physical center position of the canvas. By default, the center of the canvas represents the point (0,0) of the logical coordinate system. For example, if you pass 100 and 200 for the x and y parameters, the logical coordinate center point is shifted 100 units to the left and 200 units down.

Parameters:
x - The x-coordinate of a logical point that corresponds to the center of the canvas.
y - The y-coordinate of a logical point that corresponds to the center of the canvas.

setUnit

public void setUnit(double pixelsPerUnit)
A mutator method that sets the scaling factor. The default scaling is 2 pixels per single logical unit. Increase the number for a more zoomed view and decrease the number for a more zoomed out view.

Parameters:
pixelsPerUnit - The scaling unit.

setVisible

public void setVisible(boolean visible)
Overrides the inherited method so the canvas is set up correctly.

Overrides:
setVisible in class java.awt.Window