nslj.src.display
Class NslCanvas

java.lang.Object
  |
  +--java.awt.Component
        |
        +--java.awt.Canvas
              |
              +--nslj.src.display.NslCanvas

All Implemented Interfaces:

javax.accessibility.Accessible, java.awt.image.ImageObserver, java.awt.MenuContainer, java.io.Serializable

Direct Known Subclasses:

NslAreaCanvas, NslBarCanvas, NslDotCanvas, NslImageCanvas, NslInputImageCanvas, NslOutCanvas, NslSpatialCanvas, NslStoringVariables, NslStringCanvas, NslTemporalCanvas, TemporaryBezier

public class NslCanvas

extends java.awt.Canvas

The Nsl Canvas Implement the general functions of nslj canvases

See Also:

Serialized Form

Inner classes inherited from class java.awt.Canvas

java.awt.Canvas.AccessibleAWTCanvas

Inner classes inherited from class java.awt.Component

java.awt.Component.AccessibleAWTComponent

Field Summary

protected double	C_max_x
protected double	C_max_y
protected double	C_min_x
protected double	C_min_y
java.lang.String	canvas_name
protected java.lang.String	canvas_type
protected int	drawH
protected int	drawW
protected int	drawX
protected int	drawY
protected int	dx
protected int	dy
protected int	max_data_pos
java.awt.event.MouseAdapter	mouseAdapter
NslFrame	nslDisplayFrame
NslVariable	var_in_canvas
protected java.util.Vector	variable_list
java.lang.String	windowName
protected int	x_dimension
protected int	y_dimension

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

NslCanvas()

NslCanvas(NslFrame nslDisplayFrame, double min, double max)

NslCanvas(NslFrame nslDisplayFrame, NslCanvas pre)

NslCanvas(NslFrame frame, java.lang.String fullName, NslVariableInfo varInfo)

Method Summary

void	add_variable(java.lang.String full_name, NslVariableInfo info)
void	collect()
NslCanvas	copy(java.lang.String graph_type_name) Function to make a copy of canvas which is needed when switch one type of canvas to another
void	delete_variable(java.lang.String full_name)
void	draw_box(java.awt.Graphics g)
void	draw_rectangle(java.awt.Graphics g)
NslVariable	get_display_variable()
java.util.Vector	get_variable_list()
double	getC_max_y()
double	getC_min_y()
java.lang.String	getWindowName()
void	init()
void	initCanvas()
void	initEpochCanvas()
void	mouseDragged(java.awt.event.MouseEvent evt)
void	mousePressed(java.awt.event.MouseEvent evt)
void	mouseReleased(java.awt.event.MouseEvent evt)
void	nslAddVariable(NslData var)
java.lang.String	nslGetName()
void	paint(java.awt.Graphics g, int val)
void	Print()
void	refresh()
void	set_background(java.lang.String b)
void	set_canvas_type(java.lang.String ct)
void	set_draw_size()
void	set_draw_size(java.awt.Rectangle b)
void	set_min_max(double dmin, double dmax)
void	setSize(java.awt.Dimension d)
void	setWindowName(java.lang.String n)
java.lang.String	toString()
void	update()
void	zoom_draw_size()
void	zoom_draw_size(double x0, double y0, double dw, double dh) To calculate the parameters for paint() accoding to virtual canvas parameters and actrual zoom canvas size.
void	zoom_in() implement zoom in function
void	zoom_out() Implement zoom out function

Methods inherited from class java.awt.Canvas

addNotify, getAccessibleContext, paint

Methods inherited from class java.awt.Component

action, add, addComponentListener, addFocusListener, addHierarchyBoundsListener, addHierarchyListener, addInputMethodListener, addKeyListener, addMouseListener, addMouseMotionListener, addPropertyChangeListener, addPropertyChangeListener, bounds, checkImage, checkImage, coalesceEvents, contains, contains, createImage, createImage, deliverEvent, disable, disableEvents, dispatchEvent, doLayout, enable, enable, enableEvents, enableInputMethods, firePropertyChange, getAlignmentX, getAlignmentY, getBackground, getBounds, getBounds, getColorModel, getComponentAt, getComponentAt, getComponentOrientation, getCursor, getDropTarget, getFont, getFontMetrics, getForeground, getGraphics, getGraphicsConfiguration, getHeight, getInputContext, getInputMethodRequests, getListeners, getLocale, getLocation, getLocation, getLocationOnScreen, getMaximumSize, getMinimumSize, getName, getParent, getPeer, getPreferredSize, getSize, getSize, getToolkit, getTreeLock, getWidth, getX, getY, gotFocus, handleEvent, hasFocus, hide, imageUpdate, inside, invalidate, isDisplayable, isDoubleBuffered, isEnabled, isFocusTraversable, isLightweight, isOpaque, isShowing, isValid, isVisible, keyDown, keyUp, layout, list, list, list, list, list, locate, location, lostFocus, minimumSize, mouseDown, mouseDrag, mouseEnter, mouseExit, mouseMove, mouseUp, move, nextFocus, paintAll, paramString, postEvent, preferredSize, prepareImage, prepareImage, print, printAll, processComponentEvent, processEvent, processFocusEvent, processHierarchyBoundsEvent, processHierarchyEvent, processInputMethodEvent, processKeyEvent, processMouseEvent, processMouseMotionEvent, remove, removeComponentListener, removeFocusListener, removeHierarchyBoundsListener, removeHierarchyListener, removeInputMethodListener, removeKeyListener, removeMouseListener, removeMouseMotionListener, removeNotify, removePropertyChangeListener, removePropertyChangeListener, repaint, repaint, repaint, repaint, requestFocus, reshape, resize, resize, setBackground, setBounds, setBounds, setComponentOrientation, setCursor, setDropTarget, setEnabled, setFont, setForeground, setLocale, setLocation, setLocation, setName, setSize, setVisible, show, show, size, transferFocus, update, validate

Methods inherited from class java.lang.Object

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

Field Detail

var_in_canvas

public NslVariable var_in_canvas

canvas_name

public java.lang.String canvas_name

windowName

public java.lang.String windowName

nslDisplayFrame

public NslFrame nslDisplayFrame

mouseAdapter

public java.awt.event.MouseAdapter mouseAdapter

variable_list

protected java.util.Vector variable_list

drawX

protected int drawX

drawY

protected int drawY

drawW

protected int drawW

drawH

protected int drawH

dx

protected int dx

dy

protected int dy

x_dimension

protected int x_dimension

y_dimension

protected int y_dimension

max_data_pos

protected int max_data_pos

canvas_type

protected java.lang.String canvas_type

C_min_y

protected double C_min_y

C_max_y

protected double C_max_y

C_min_x

protected double C_min_x

C_max_x

protected double C_max_x

Constructor Detail

NslCanvas

public NslCanvas()

NslCanvas

public NslCanvas(NslFrame nslDisplayFrame,
                 NslCanvas pre)

NslCanvas

public NslCanvas(NslFrame nslDisplayFrame,
                 double min,
                 double max)

NslCanvas

public NslCanvas(NslFrame frame,
                 java.lang.String fullName,
                 NslVariableInfo varInfo)

Method Detail

nslGetName

public java.lang.String nslGetName()

mousePressed

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

mouseDragged

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

mouseReleased

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

set_min_max

public void set_min_max(double dmin,
                        double dmax)

initCanvas

public void initCanvas()

initEpochCanvas

public void initEpochCanvas()

init

public void init()

refresh

public void refresh()

update

public void update()

paint

public void paint(java.awt.Graphics g,
                  int val)

draw_rectangle

public void draw_rectangle(java.awt.Graphics g)

draw_box

public void draw_box(java.awt.Graphics g)

nslAddVariable

public void nslAddVariable(NslData var)

add_variable

public void add_variable(java.lang.String full_name,
                         NslVariableInfo info)

delete_variable

public void delete_variable(java.lang.String full_name)

get_display_variable

public NslVariable get_display_variable()

Print

public void Print()

toString

public java.lang.String toString()

Overrides:

toString in class java.awt.Component

copy

public NslCanvas copy(java.lang.String graph_type_name)

Function to make a copy of canvas which is needed when switch one type of canvas to another

set_background

public void set_background(java.lang.String b)

set_draw_size

public void set_draw_size(java.awt.Rectangle b)

set_draw_size

public void set_draw_size()

zoom_in

public void zoom_in()

implement zoom in function

zoom_out

public void zoom_out()

Implement zoom out function

zoom_draw_size

public void zoom_draw_size(double x0,
                           double y0,
                           double dw,
                           double dh)

To calculate the parameters for paint() accoding to virtual canvas parameters and actrual zoom canvas size.

zoom_draw_size

public void zoom_draw_size()

set_canvas_type

public void set_canvas_type(java.lang.String ct)

get_variable_list

public java.util.Vector get_variable_list()

collect

public void collect()

setSize

public void setSize(java.awt.Dimension d)

Overrides:

setSize in class java.awt.Component

setWindowName

public void setWindowName(java.lang.String n)

getWindowName

public java.lang.String getWindowName()

getC_max_y

public double getC_max_y()

getC_min_y

public double getC_min_y()