net.java.sip.communicator.util
Class GraphicUtils

java.lang.Object
  net.java.sip.communicator.util.GraphicUtils

public class GraphicUtils
extends Object

The GraphicUtils is an utility class that gives access to some simple graphics operations, like an easy creating of a clipped shape or image, or painting of a border glow. Most of the code in this class is based on advices and examples in the "Java 2D Trickery: Soft Clipping".

Author:

Yana Stamcheva

Constructor Summary

GraphicUtils()

Method Summary

static BufferedImage	createClipImage(Graphics2D g, Shape shape) Creates a clipped image from the given shape.
static Shape	createRoundedClipShape(int shapeWidth, int shapeHeight, int arcW, int arcH) Creates a rounded clipped shape with the given shapeWidth, shapeHeight, arc width and arc height.
static void	paintBorderGlow(Graphics2D g2, int glowWidth, Shape clipShape, Color glowOuterHigh, Color glowOuterLow) Paints border glow over the given clipShape with the given glow high and low colors and the given glowWidth.

Methods inherited from class java.lang.Object

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

Constructor Detail

GraphicUtils

public GraphicUtils()

Method Detail

createRoundedClipShape

public static Shape createRoundedClipShape(int shapeWidth,
                                           int shapeHeight,
                                           int arcW,
                                           int arcH)

Creates a rounded clipped shape with the given shapeWidth, shapeHeight, arc width and arc height.

Parameters:

shapeWidth - the width of the shape to create

shapeHeight - the height of the shape to create

arcW - the width of the arc to use to round the corners of the newly created shape

arcH - the height of the arc to use to round the corners of the newly created shape

Returns:

the created shape

createClipImage

public static BufferedImage createClipImage(Graphics2D g,
                                            Shape shape)

Creates a clipped image from the given shape.

Parameters:

shape - the shape from which to create the image

g - the Graphics object giving access to the graphics device configuration

Returns:

the created BufferedImage

paintBorderGlow

public static void paintBorderGlow(Graphics2D g2,
                                   int glowWidth,
                                   Shape clipShape,
                                   Color glowOuterHigh,
                                   Color glowOuterLow)

Paints border glow over the given clipShape with the given glow high and low colors and the given glowWidth.

Parameters:

g2 - the Graphics object to use for painting

glowWidth - the width of the glow

clipShape - the shape where to paint the glow

glowOuterHigh - the color which will paint the higher glow

glowOuterLow - the color which will paint the lower glow