Package com.intellij.util.ui

Class ButtonlessScrollBarUI.ThumbPainter

java.lang.Object

com.intellij.util.ui.ButtonlessScrollBarUI.ThumbPainter

All Implemented Interfaces:

RegionPainter<Integer>

Enclosing class:

ButtonlessScrollBarUI

public static class ButtonlessScrollBarUI.ThumbPainter
extends Object
implements RegionPainter<Integer>

The default painter for non-Mac scroll bar.

Nested Class Summary

Nested classes/interfaces inherited from interface com.intellij.util.ui.RegionPainter

RegionPainter.Alpha, RegionPainter.Image

Constructor Summary

Constructors

Constructor	Description
ThumbPainter(JScrollBar bar)

Method Summary

Modifier and Type	Method	Description
protected float	getAlpha()	Returns the constant alpha to be multiplied with the alpha of the source.
protected Color	getBorderColor()	Returns the color for thumb's border.
protected int	getBorderOffset()
protected int	getColorOffset(Integer value)	Returns the offset for a color according to the specified value from animator.
protected Color	getGradientStart(Integer value)	Returns the start color for a gradient of a thumb's background according to the specified value from animator.
protected Color	getGradientStop(Integer value)	Returns the stop color for a gradient of a thumb's background according to the specified value from animator.
protected boolean	isLeftToRight()
protected boolean	isVertical()
void	paint(Graphics2D g, int x, int y, int width, int height, Integer value)	Renders to the given Graphics2D object.
protected void	paint(Graphics2D g, int width, int height, Integer value)

Methods inherited from class java.lang.Object

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

Constructor Details

ThumbPainter

public ThumbPainter(JScrollBar bar)

Method Details

paint

public void paint(Graphics2D g,
 int x,
 int y,
 int width,
 int height,
 Integer value)

Description copied from interface: RegionPainter

Renders to the given Graphics2D object.

Specified by:

paint in interface RegionPainter<Integer>

Parameters:

g - the Graphics2D object to render to

x - X position of the area to paint

y - Y position of the area to paint

width - width of the area to paint

height - height of the area to paint

value - an optional configuration parameter

paint

protected void paint(Graphics2D g,
 int width,
 int height,
 Integer value)

isVertical

protected boolean isVertical()

isLeftToRight

protected boolean isLeftToRight()

getAlpha

protected float getAlpha()

Returns the constant alpha to be multiplied with the alpha of the source. The alpha must be a floating point number in the range [0.0, 1.0].

Returns:

the constant alpha

getColorOffset

protected int getColorOffset(Integer value)

Returns the offset for a color according to the specified value from animator.

Parameters:

value - the value from animator

Returns:

the offset for a color

getGradientStart

protected Color getGradientStart(Integer value)

Returns the start color for a gradient of a thumb's background according to the specified value from animator.

Parameters:

value - the value from animator

Returns:

the start color for a gradient

getGradientStop

protected Color getGradientStop(Integer value)

Returns the stop color for a gradient of a thumb's background according to the specified value from animator.

Parameters:

value - the value from animator

Returns:

the stop color for a gradient

getBorderColor

protected Color getBorderColor()

Returns the color for thumb's border.

Returns:

the border color

getBorderOffset

protected int getBorderOffset()

Returns:

additional offset corresponding to the default track border