ButtonIcon (Starjava TOPCAT API)

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java.lang.Object
- uk.ac.starlink.topcat.doc.ButtonIcon

```
public class ButtonIcon
extends java.lang.Object
```
Generates some icons for the TOPCAT desktop. Currently not used at TOPCAT run or build time.

Since:

28 Aug 2007

Author:

Mark Taylor

Constructor Summary

Constructors
Constructor Description

ButtonIcon()
Constructs a ButtonIcon of standard size.

Method Summary

All Methods Static Methods Instance Methods Concrete Methods
Modifier and Type	Method	Description
`java.awt.Graphics2D`	`createGraphics()`	Returns a graphics context for drawing on this image.
`static ButtonIcon`	`createRadial()`	Icon for radial coordinate display.
`static void`	`main(java.lang.String[] args)`	Main method.
`void`	`writePng(java.lang.String fname)`	Writes the image as currently painted to a PNG file with a given name.

Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

- Constructor Detail
  - ButtonIcon
```
public ButtonIcon()
```
    Constructs a ButtonIcon of standard size.
- Method Detail
  - createGraphics
```
public java.awt.Graphics2D createGraphics()
```
    Returns a graphics context for drawing on this image.
    
    Returns:
    
    new graphics context suitable for drawing
  - writePng
```
public void writePng(java.lang.String fname)
              throws java.io.IOException
```
    Writes the image as currently painted to a PNG file with a given name.
    
    Parameters:
    
    fname - filename
    
    Throws:
    
    java.io.IOException
  - createRadial
```
public static ButtonIcon createRadial()
```
    Icon for radial coordinate display.
    
    Returns:
    
    radial button icon
  - main
```
public static void main(java.lang.String[] args)
                 throws java.io.IOException
```
    Main method. Writes images to the current directory.
    
    Parameters:
    
    args - ignored
    
    Throws:
    
    java.io.IOException

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