Package ucar.unidata.ui.drawing

Class DisplayCanvas

java.lang.Object

java.awt.Component

java.awt.Container

javax.swing.JComponent

javax.swing.JPanel

ucar.unidata.ui.drawing.DisplayCanvas

All Implemented Interfaces:

ImageObserver, MenuContainer, Serializable, Accessible

Direct Known Subclasses:

EditCanvas

public class DisplayCanvas
extends JPanel

Class DisplayCanvas

Author:

IDV development team

See Also:

• Serialized Form

Nested Class Summary

Nested classes/interfaces inherited from class javax.swing.JPanel

JPanel.AccessibleJPanel

Nested classes/interfaces inherited from class javax.swing.JComponent

JComponent.AccessibleJComponent

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

Container.AccessibleAWTContainer

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

Component.AccessibleAWTComponent, Component.BaselineResizeBehavior, Component.BltBufferStrategy, Component.FlipBufferStrategy

Field Summary

Fields

Modifier and Type	Field	Description
protected Color	canvasBg	_more_
static final String	CMD_CHANGE	_more_
static final String	CMD_CREATE	_more_
static final String	CMD_MOVE	_more_
static final String	CMD_REMOVE	_more_
static final String	CMD_TOBACK	_more_
static final String	CMD_TOFRONT	_more_
static final Cursor	DEFAULT_CURSOR	_more_
protected List	glyphs	_more_
int	gridSpacing
static final Cursor	HAND_CURSOR	_more_
protected Glyph	highlightedGlyph	_more_
static final Cursor	MOVE_CURSOR	_more_
static final Cursor	NW_CURSOR	_more_
protected double	scaleFactor	The scaling
boolean	showGrid
static final Cursor	TEXT_CURSOR	_more_

Fields inherited from class javax.swing.JComponent

listenerList, TOOL_TIP_TEXT_KEY, ui, UNDEFINED_CONDITION, WHEN_ANCESTOR_OF_FOCUSED_COMPONENT, WHEN_FOCUSED, WHEN_IN_FOCUSED_WINDOW

Fields inherited from class java.awt.Component

accessibleContext, 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	Description
DisplayCanvas()	_more_

Method Summary

Modifier and Type	Method	Description
void	addGlyph(Glyph g)	_more_
void	addSelection(Glyph g)	_more_
void	clearAll()	_more_
void	clearSelection()	_more_
Glyph	createGlyph(String glyphClass, int x, int y)	_more_
void	decreaseGridSpacing()
protected Component	doMakeContents()	_more_
void	doRemove(Glyph g)	_more_
Glyph	findGlyph(int x, int y)	_more_
Glyph	findGlyph(String id)	_more_
static Glyph	findGlyph(List glyphs, int x, int y, double threshold)	_more_
Component	getContents()	_more_
protected List	getGlyphs()	_more_
Image	getImage(String path)	_more_
List	getSelection()	_more_
boolean	getShowGrid()	Get the ShowGrid property.
void	glyphChanged(Glyph g)	_more_
boolean	hasSelection()	_more_
void	increaseGridSpacing()
boolean	isFocusTraversable()	_more_
boolean	isSelected(Glyph g)	_more_
void	justRemoveGlyph(Glyph g)	_more_
void	moveToBack(Glyph theGlyph)	_more_
void	moveToFront(Glyph theGlyph)	_more_
void	notifyGlyphCreateComplete(Glyph g)	_more_
void	notifyGlyphCreateComplete(Glyph g, boolean diddleSelection, boolean fromPaste)	_more_
void	notifyGlyphMoveComplete(Glyph theGlyph)	_more_
void	notifyGlyphMoved(Glyph theGlyph)	_more_
void	paint(Graphics g)	_more_
void	paintGrid(Graphics g)
void	removeGlyph(Glyph g)	_more_
void	removeSelection(Glyph g)	_more_
void	repaint(Glyph g)	_more_
void	select(Rectangle r)	_more_
void	selectionChanged()	_more_
void	setCanvasBackground(Color c)	_more_
protected void	setGlyphs(List newGlyphs)	_more_
void	setHighlight(Glyph g)	_more_
void	setShowGrid(boolean value)	Set the ShowGrid property.
int	snap(int p)
Point	transformInput(Point r)	_more_
Rectangle	transformInput(Rectangle r)	_more_
int	transformInputX(int x)	_more_
int	transformInputY(int x)	_more_
Point	transformOutput(Point r)	_more_
Rectangle	transformOutput(Rectangle r)	_more_
int	transformOutputX(int x)	_more_
int	transformOutputY(int x)	_more_

Methods inherited from class javax.swing.JPanel

getAccessibleContext, getUI, getUIClassID, paramString, setUI, updateUI

Methods inherited from class javax.swing.JComponent

addAncestorListener, addNotify, addVetoableChangeListener, computeVisibleRect, contains, createToolTip, disable, enable, firePropertyChange, firePropertyChange, firePropertyChange, fireVetoableChange, getActionForKeyStroke, getActionMap, getAlignmentX, getAlignmentY, getAncestorListeners, getAutoscrolls, getBaseline, getBaselineResizeBehavior, getBorder, getBounds, getClientProperty, getComponentGraphics, getComponentPopupMenu, getConditionForKeyStroke, getDebugGraphicsOptions, getDefaultLocale, getFontMetrics, getGraphics, getHeight, getInheritsPopupMenu, getInputMap, getInputMap, getInputVerifier, getInsets, getInsets, getListeners, getLocation, getMaximumSize, getMinimumSize, getNextFocusableComponent, getPopupLocation, getPreferredSize, getRegisteredKeyStrokes, getRootPane, getSize, getToolTipLocation, getToolTipText, getToolTipText, getTopLevelAncestor, getTransferHandler, getVerifyInputWhenFocusTarget, getVetoableChangeListeners, getVisibleRect, getWidth, getX, getY, grabFocus, hide, isDoubleBuffered, isLightweightComponent, isManagingFocus, isOpaque, isOptimizedDrawingEnabled, isPaintingForPrint, isPaintingOrigin, isPaintingTile, isRequestFocusEnabled, isValidateRoot, paintBorder, paintChildren, paintComponent, paintImmediately, paintImmediately, print, printAll, printBorder, printChildren, printComponent, processComponentKeyEvent, processKeyBinding, processKeyEvent, processMouseEvent, processMouseMotionEvent, putClientProperty, registerKeyboardAction, registerKeyboardAction, removeAncestorListener, removeNotify, removeVetoableChangeListener, repaint, repaint, requestDefaultFocus, requestFocus, requestFocus, requestFocusInWindow, requestFocusInWindow, resetKeyboardActions, reshape, revalidate, scrollRectToVisible, setActionMap, setAlignmentX, setAlignmentY, setAutoscrolls, setBackground, setBorder, setComponentPopupMenu, setDebugGraphicsOptions, setDefaultLocale, setDoubleBuffered, setEnabled, setFocusTraversalKeys, setFont, setForeground, setInheritsPopupMenu, setInputMap, setInputVerifier, setMaximumSize, setMinimumSize, setNextFocusableComponent, setOpaque, setPreferredSize, setRequestFocusEnabled, setToolTipText, setTransferHandler, setUI, setVerifyInputWhenFocusTarget, setVisible, unregisterKeyboardAction, update

Methods inherited from class java.awt.Container

add, add, add, add, add, addContainerListener, addImpl, addPropertyChangeListener, addPropertyChangeListener, applyComponentOrientation, areFocusTraversalKeysSet, countComponents, deliverEvent, doLayout, findComponentAt, findComponentAt, getComponent, getComponentAt, getComponentAt, getComponentCount, getComponents, getComponentZOrder, getContainerListeners, getFocusTraversalKeys, getFocusTraversalPolicy, getLayout, getMousePosition, insets, invalidate, isAncestorOf, isFocusCycleRoot, isFocusCycleRoot, isFocusTraversalPolicyProvider, isFocusTraversalPolicySet, layout, list, list, locate, minimumSize, paintComponents, preferredSize, printComponents, processContainerEvent, processEvent, remove, remove, removeAll, removeContainerListener, setComponentZOrder, setFocusCycleRoot, setFocusTraversalPolicy, setFocusTraversalPolicyProvider, setLayout, transferFocusDownCycle, validate, validateTree

Methods inherited from class java.awt.Component

action, add, addComponentListener, addFocusListener, addHierarchyBoundsListener, addHierarchyListener, addInputMethodListener, addKeyListener, addMouseListener, addMouseMotionListener, addMouseWheelListener, bounds, checkImage, checkImage, coalesceEvents, contains, createImage, createImage, createVolatileImage, createVolatileImage, disableEvents, dispatchEvent, enable, enableEvents, enableInputMethods, firePropertyChange, firePropertyChange, firePropertyChange, firePropertyChange, firePropertyChange, firePropertyChange, getBackground, getBounds, getColorModel, getComponentListeners, getComponentOrientation, getCursor, getDropTarget, getFocusCycleRootAncestor, getFocusListeners, getFocusTraversalKeysEnabled, getFont, getForeground, getGraphicsConfiguration, getHierarchyBoundsListeners, getHierarchyListeners, getIgnoreRepaint, getInputContext, getInputMethodListeners, getInputMethodRequests, getKeyListeners, getLocale, getLocation, getLocationOnScreen, getMouseListeners, getMouseMotionListeners, getMousePosition, getMouseWheelListeners, getName, getParent, getPropertyChangeListeners, getPropertyChangeListeners, getSize, getToolkit, getTreeLock, gotFocus, handleEvent, hasFocus, imageUpdate, inside, isBackgroundSet, isCursorSet, isDisplayable, isEnabled, isFocusable, isFocusOwner, isFontSet, isForegroundSet, isLightweight, isMaximumSizeSet, isMinimumSizeSet, isPreferredSizeSet, isShowing, isValid, isVisible, keyDown, keyUp, list, list, list, location, lostFocus, mouseDown, mouseDrag, mouseEnter, mouseExit, mouseMove, mouseUp, move, nextFocus, paintAll, postEvent, prepareImage, prepareImage, processComponentEvent, processFocusEvent, processHierarchyBoundsEvent, processHierarchyEvent, processInputMethodEvent, processMouseWheelEvent, remove, removeComponentListener, removeFocusListener, removeHierarchyBoundsListener, removeHierarchyListener, removeInputMethodListener, removeKeyListener, removeMouseListener, removeMouseMotionListener, removeMouseWheelListener, removePropertyChangeListener, removePropertyChangeListener, repaint, repaint, repaint, requestFocus, requestFocus, requestFocusInWindow, resize, resize, setBounds, setBounds, setComponentOrientation, setCursor, setDropTarget, setFocusable, setFocusTraversalKeysEnabled, setIgnoreRepaint, setLocale, setLocation, setLocation, setMixingCutoutShape, setName, setSize, setSize, show, show, size, toString, transferFocus, transferFocusBackward, transferFocusUpCycle

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait

Field Details

CMD_CREATE

public static final String CMD_CREATE

_more_

See Also:

• Constant Field Values

CMD_TOFRONT

public static final String CMD_TOFRONT

_more_

See Also:

• Constant Field Values

CMD_TOBACK

public static final String CMD_TOBACK

_more_

See Also:

• Constant Field Values

CMD_CHANGE

public static final String CMD_CHANGE

_more_

See Also:

• Constant Field Values

CMD_REMOVE

public static final String CMD_REMOVE

_more_

See Also:

• Constant Field Values

CMD_MOVE

public static final String CMD_MOVE

_more_

See Also:

• Constant Field Values

DEFAULT_CURSOR

public static final Cursor DEFAULT_CURSOR

_more_

HAND_CURSOR

public static final Cursor HAND_CURSOR

_more_

MOVE_CURSOR

public static final Cursor MOVE_CURSOR

_more_

TEXT_CURSOR

public static final Cursor TEXT_CURSOR

_more_

NW_CURSOR

public static final Cursor NW_CURSOR

_more_

gridSpacing

public int gridSpacing

showGrid

public boolean showGrid

scaleFactor

protected double scaleFactor

The scaling

canvasBg

protected Color canvasBg

_more_

glyphs

protected List glyphs

_more_

highlightedGlyph

protected Glyph highlightedGlyph

_more_

Constructor Details

DisplayCanvas

public DisplayCanvas()

_more_

Method Details

setCanvasBackground

public void setCanvasBackground(Color c)

_more_

Parameters:

c - _more_

getGlyphs

protected List getGlyphs()

_more_

Returns:

_more_

setGlyphs

protected void setGlyphs(List newGlyphs)

_more_

Parameters:

newGlyphs -

isFocusTraversable

public boolean isFocusTraversable()

_more_

Overrides:

isFocusTraversable in class Component

Returns:

_more_

getContents

public Component getContents()

_more_

Returns:

_more_

snap

public int snap(int p)

setShowGrid

public void setShowGrid(boolean value)

Set the ShowGrid property.

Parameters:

value - The new value for ShowGrid

getShowGrid

public boolean getShowGrid()

Get the ShowGrid property.

Returns:

The ShowGrid

increaseGridSpacing

public void increaseGridSpacing()

decreaseGridSpacing

public void decreaseGridSpacing()

doMakeContents

protected Component doMakeContents()

_more_

Returns:

_more_

paintGrid

public void paintGrid(Graphics g)

paint

public void paint(Graphics g)

_more_

Overrides:

paint in class JComponent

Parameters:

g -

createGlyph

public Glyph createGlyph(String glyphClass,
 int x,
 int y)

_more_

Parameters:

glyphClass -

x -

y -

Returns:

_more_

repaint

public void repaint(Glyph g)

_more_

Parameters:

g -

addGlyph

public void addGlyph(Glyph g)

_more_

Parameters:

g -

select

public void select(Rectangle r)

_more_

Parameters:

r -

selectionChanged

public void selectionChanged()

_more_

hasSelection

public boolean hasSelection()

_more_

Returns:

_more_

addSelection

public void addSelection(Glyph g)

_more_

Parameters:

g -

isSelected

public boolean isSelected(Glyph g)

_more_

Parameters:

g -

Returns:

_more_

getSelection

public List getSelection()

_more_

Returns:

_more_

clearSelection

public void clearSelection()

_more_

clearAll

public void clearAll()

_more_

notifyGlyphMoved

public void notifyGlyphMoved(Glyph theGlyph)

_more_

Parameters:

theGlyph -

notifyGlyphMoveComplete

public void notifyGlyphMoveComplete(Glyph theGlyph)

_more_

Parameters:

theGlyph -

notifyGlyphCreateComplete

public void notifyGlyphCreateComplete(Glyph g,
 boolean diddleSelection,
 boolean fromPaste)

_more_

Parameters:

g -

diddleSelection -

fromPaste -

notifyGlyphCreateComplete

public void notifyGlyphCreateComplete(Glyph g)

_more_

Parameters:

g -

removeSelection

public void removeSelection(Glyph g)

_more_

Parameters:

g -

justRemoveGlyph

public void justRemoveGlyph(Glyph g)

_more_

Parameters:

g -

removeGlyph

public void removeGlyph(Glyph g)

_more_

Parameters:

g -

doRemove

public void doRemove(Glyph g)

_more_

Parameters:

g -

setHighlight

public void setHighlight(Glyph g)

_more_

Parameters:

g -

glyphChanged

public void glyphChanged(Glyph g)

_more_

Parameters:

g -

getImage

public Image getImage(String path)

_more_

Parameters:

path -

Returns:

_more_

findGlyph

public Glyph findGlyph(String id)

_more_

Parameters:

id -

Returns:

_more_

findGlyph

public Glyph findGlyph(int x,
 int y)

_more_

Parameters:

x -

y -

Returns:

_more_

findGlyph

public static Glyph findGlyph(List glyphs,
 int x,
 int y,
 double threshold)

_more_

Parameters:

glyphs -

x -

y -

threshold -

Returns:

_more_

moveToFront

public void moveToFront(Glyph theGlyph)

_more_

Parameters:

theGlyph -

moveToBack

public void moveToBack(Glyph theGlyph)

_more_

Parameters:

theGlyph -

transformInputX

public int transformInputX(int x)

_more_

Parameters:

x -

Returns:

_more_

transformInputY

public int transformInputY(int x)

_more_

Parameters:

x -

Returns:

_more_

transformOutputX

public int transformOutputX(int x)

_more_

Parameters:

x -

Returns:

_more_

transformOutputY

public int transformOutputY(int x)

_more_

Parameters:

x -

Returns:

_more_

transformOutput

public Rectangle transformOutput(Rectangle r)

_more_

Parameters:

r -

Returns:

_more_

transformInput

public Rectangle transformInput(Rectangle r)

_more_

Parameters:

r -

Returns:

_more_

transformOutput

public Point transformOutput(Point r)

_more_

Parameters:

r -

Returns:

_more_

transformInput

public Point transformInput(Point r)

_more_

Parameters:

r -

Returns:

_more_