Class BarCode3of9

java.lang.Object
   |
   +----java.awt.Component
           |
           +----java.awt.Canvas
                   |
                   +----BarCode3of9

public class BarCode3of9
extends Canvas

A class that produces a Barcode component.

Version:: 1.00 97/Nov
Author:: Umberto Marzo, umarzo@eniware.it

Variable Index

o BASELINE: Costant for text alignment.
o CODE3OF9: Costant for variant of the code.
o CODE3OF9CHK: Costant for variant of the code.
o LARGE: Costant for size of the narrowest bar.
o MEDIUM: Costant for size of the narrowest bar.
o MIDDLELINE: Costant for text alignment.
o SMALL: Costant for size of the narrowest bar.
o TOPLINE: Costant for text alignment.

Constructor Index

o BarCode3of9(): Constructs a Barcode object with an empty string and the following defaults:
size 100x50;
label inside;
small rendering;
black on white color;
Courier,12 font;

Method Index

o getBackground(): return the color used for the background.
o getDimension(): Gets the dimension of the narrowest bar.
o getFont(): Gets the font of the component.
o getForeground(): return the color used for the foreground.
o getMinimumSize(): Returns the mininimum size of this component.
o getPreferredSize(): Returns the preferred size of this component.
o getString(): Gets the string encoded in the Barcode.
o getStyle(): return the style of the barcode currently used.
o getTextAlign(): Set the alignment of text inside the bar code.
o isTextInside(): Return true if a label will be shown inside.
o minimumSize(): Returns the minimum size of this component.
o paint(Graphics): Paints the component.
o paramString(): Returns the parameter String of this Component.
o preferredSize()
o requestedMinimunSize(String): Return the minimum dimension needed to successfully display a code of string str.
o resize(Dimension): Resizes the Component to the specified dimension.
o resize(int, int): Resizes the Component to the specified width and height.
o setBackground(Color): set the color of the background to the specified color.
o setDimension(int): Sets the dimension of the narrowest bar.
o setFont(Font): Sets the font of the component.
o setForeground(Color): set the color of the foreground to the specified color.
o setString(String): Sets the string encoded in the Barcode.
o setStyle(int): Set the style of the code to one of the two available style.
o setTextAlign(int): Set the alignment of text inside the bar code.
o setTextInside(boolean): Call this method with true (or false) as argument if you want (or not) a text label inside.
o toString(): Returns the String representation of this Component's values.

Variables

o CODE3OF9

  public final static int CODE3OF9

Costant for variant of the code.

See Also:: CODE3OF9CHK, CODE3OF9, setStyle, getStyle

o CODE3OF9CHK

  public final static int CODE3OF9CHK

Costant for variant of the code.

See Also:: CODE3OF9CHK, CODE3OF9, setStyle, getStyle

o SMALL

  public final static int SMALL

Costant for size of the narrowest bar.

See Also:: SMALL, MEDIUM, LARGE, setDimension, getDimension

o MEDIUM

  public final static int MEDIUM

Costant for size of the narrowest bar.

See Also:: SMALL, MEDIUM, LARGE, setDimension, getDimension

o LARGE

  public final static int LARGE

Costant for size of the narrowest bar.

See Also:: SMALL, MEDIUM, LARGE, setDimension, getDimension

o BASELINE

  public final static int BASELINE

Costant for text alignment.

See Also:: BASELINE, MIDDLELINE, TOPLINE, setTextAlign, getTextAlign

o MIDDLELINE

  public final static int MIDDLELINE

Costant for text alignment.

See Also:: BASELINE, MIDDLELINE, TOPLINE, setTextAlign, getTextAlign

o TOPLINE

  public final static int TOPLINE

Costant for text alignment.

See Also:: BASELINE, MIDDLELINE, TOPLINE, setTextAlign, getTextAlign

Constructors

o BarCode3of9

  public BarCode3of9()

Constructs a Barcode object with an empty string and the following defaults:
size 100x50;
label inside;
small rendering;
black on white color;
Courier,12 font;

Methods

o getMinimumSize

  public Dimension getMinimumSize()

Returns the mininimum size of this component.

See Also:: getPreferredSize

o minimumSize

  public Dimension minimumSize()

Returns the minimum size of this component.

Overrides:: minimumSize in class Component
See Also:: preferredSize

o getPreferredSize

  public Dimension getPreferredSize()

Returns the preferred size of this component.

See Also:: getMinimumSize

o preferredSize

  public Dimension preferredSize()

Overrides:: preferredSize in class Component

o resize

  public void resize(int width,
                     int height)

Resizes the Component to the specified width and height.

Parameters:: width - the width of the component; height - the height of the component
Overrides:: resize in class Component

o resize

  public void resize(Dimension d)

Resizes the Component to the specified dimension.

Parameters:: d - the dimension of the component
Overrides:: resize in class Component

o paramString

  protected String paramString()

Returns the parameter String of this Component.

Overrides:: paramString in class Component

o toString

  public String toString()

Returns the String representation of this Component's values.

Overrides:: toString in class Component

o requestedMinimunSize

  public Dimension requestedMinimunSize(String str)

Return the minimum dimension needed to successfully display a code of string str. Use it to resize the component using method resize(Dimension d)

Parameters:: str - the sting to encode
Returns:: the minimum dimension

o setString

  public void setString(String str) throws IllegalArgumentException

Sets the string encoded in the Barcode.

Parameters:: str - the string to encode
Throws: IllegalArgumentException: If an improper string was given.
See Also:: getString

o getString

  public String getString()

Gets the string encoded in the Barcode.

Returns:: the encoded string
See Also:: setString

o setDimension

  public void setDimension(int dim)

Sets the dimension of the narrowest bar. Values allowed are SMALL, MEDIUM and LARGE

Parameters:: dim - the dimension
See Also:: SMALL, MEDIUM, LARGE, getDimension

o getDimension

  public int getDimension()

Gets the dimension of the narrowest bar.

Returns:: the dim of the bar
See Also:: SMALL, MEDIUM, LARGE, setDimension

o setTextInside

  public void setTextInside(boolean bool)

Call this method with true (or false) as argument if you want (or not) a text label inside.

See Also:: isTextInside

o isTextInside

  public boolean isTextInside()

Return true if a label will be shown inside.

See Also:: setTextInside

o setStyle

  public void setStyle(int styl)

Set the style of the code to one of the two available style.

See Also:: CODE3OF9, CODE3OF9CHK, getStyle

o getStyle

  public int getStyle()

return the style of the barcode currently used.

See Also:: CODE3OF9, CODE3OF9CHK, setStyle

o setBackground

  public void setBackground(Color c)

set the color of the background to the specified color.

Parameters:: c - the color to be used
Overrides:: setBackground in class Component
See Also:: getBackgroundColor, setForegroundColor, getForegroundColor

o getBackground

  public Color getBackground()

return the color used for the background.

Returns:: the color used
Overrides:: getBackground in class Component
See Also:: setBackgroundColor, setForegroundColor, getForegroundColor

o setForeground

  public void setForeground(Color c)

set the color of the foreground to the specified color.

Parameters:: c - the color to be used
Overrides:: setForeground in class Component
See Also:: getBackgroundColor, setBackgroundColor, getForegroundColor

o getForeground

  public Color getForeground()

return the color used for the foreground.

Returns:: the color used
Overrides:: getForeground in class Component
See Also:: setBackgroundColor, getBackgroundColor, setForegroundColor

o setFont

  public void setFont(Font fnt)

Sets the font of the component.

Parameters:: fnt - the font
Overrides:: setFont in class Component
See Also:: getFont

o getFont

  public Font getFont()

Gets the font of the component.

Overrides:: getFont in class Component
See Also:: setFont

o setTextAlign

  public void setTextAlign(int align)

Set the alignment of text inside the bar code. Three option are available.

See Also:: BASELINE, MIDDLELINE, TOPLINE, getTextAlign

o getTextAlign

  public int getTextAlign()

Set the alignment of text inside the bar code. Three option are available.

See Also:: BASELINE, MIDDLELINE, TOPLINE, setTextAlign

o paint

  public synchronized void paint(Graphics g)

Paints the component.

Parameters:: g - the specified Graphics window
Overrides:: paint in class Canvas