org.diamondspin
Class DSShadowManager

java.lang.Object
  org.diamondspin.DSShadowManager

All Implemented Interfaces:

Serializable

public class DSShadowManager
extends Object
implements Serializable

from Romain Guy's code.

See Also:

Serialized Form

Field Summary

protected DSFrame	element
protected double	shadowAdditionnalAngle
protected Shape	shadowClip
protected ConvolveOp	shadowConvolveOp
protected int	shadowDistance
protected int	shadowDistance_x
protected int	shadowDistance_y
protected boolean	shadowHighQuality
protected BufferedImage	shadowImage
protected float	shadowOpacity
protected int	shadowSize
protected double	shadowSourceAlpha
protected double	shadowSourceD
protected Image	sourceImage

Constructor Summary

DSShadowManager(DSFrame frame)
Constructs a DSShadowManager

Method Summary

protected void	applyShadow(BufferedImage image, Color shadowColor_arg)
protected void	computeShadowPosition() compute the angle the the gap between document and shadow
protected BufferedImage	createShadowMask(BufferedImage image, Color shadowColor)
protected ConvolveOp	getLinearBlurOp(int size)
double	getShadowAdditionnalAngle() return an option of the shadow called AdditionnalAngle which is added to the computed angle
Shape	getShadowClip() set an optionql clip to the shqdow (the region on which the shadow can be displayed)
int	getShadowDistance()
BufferedImage	getShadowImage() return the last shadow image produced
Point	getShadowPosition() return shadow offset
int	getShadowSize() return how far the shadow get blurred
boolean	isShadowHighQuality() tells what quality is used to display the shadow.
boolean	isShadowSource() return if the shadow is displayed against a light source or not
void	paintShadow(Graphics2D g) paint the shadow with the given graphics (may be clipped)
protected BufferedImage	prepareImage(Image image)
void	setShadowAdditionnalAngle(double shadowAdditionnalAngle) set an option of the shadow called AdditionnalAngle which is added to the computed angle
void	setShadowClip(Shape shadowClip) set an optionql clip to the shqdow (the region on which the shadow can be displayed)
void	setShadowDistance(int shadowDistance)
void	setShadowHighQuality(boolean shadowHighQuality) change what quality is used to display the shadow.
void	setShadowSource(double ssAlpha, double ssD) set the light source position used to find the angle of the light
void	setSourceImage(Image image)
void	updateDropShadow(Color color)

Methods inherited from class java.lang.Object

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

Field Detail

element

protected DSFrame element

shadowHighQuality

protected boolean shadowHighQuality

shadowImage

protected transient BufferedImage shadowImage

sourceImage

protected transient Image sourceImage

shadowAdditionnalAngle

protected double shadowAdditionnalAngle

shadowSourceAlpha

protected double shadowSourceAlpha

shadowSourceD

protected double shadowSourceD

shadowSize

protected int shadowSize

shadowOpacity

protected float shadowOpacity

shadowClip

protected Shape shadowClip

shadowDistance_x

protected int shadowDistance_x

shadowDistance_y

protected int shadowDistance_y

shadowDistance

protected int shadowDistance

shadowConvolveOp

protected transient ConvolveOp shadowConvolveOp

Constructor Detail

DSShadowManager

public DSShadowManager(DSFrame frame)

Constructs a DSShadowManager

Parameters:

frame -

Method Detail

applyShadow

protected void applyShadow(BufferedImage image,
                           Color shadowColor_arg)

computeShadowPosition

protected void computeShadowPosition()

compute the angle the the gap between document and shadow

getShadowPosition

public Point getShadowPosition()

return shadow offset

getShadowSize

public int getShadowSize()

return how far the shadow get blurred

createShadowMask

protected BufferedImage createShadowMask(BufferedImage image,
                                         Color shadowColor)

getShadowImage

public BufferedImage getShadowImage()

return the last shadow image produced

paintShadow

public void paintShadow(Graphics2D g)

paint the shadow with the given graphics (may be clipped)

Parameters:

g - the graphics object to paint with

prepareImage

protected BufferedImage prepareImage(Image image)

updateDropShadow

public void updateDropShadow(Color color)

setSourceImage

public void setSourceImage(Image image)

getLinearBlurOp

protected final ConvolveOp getLinearBlurOp(int size)

getShadowAdditionnalAngle

public double getShadowAdditionnalAngle()

return an option of the shadow called AdditionnalAngle which is added to the computed angle

Returns:

AdditionnalAngle

isShadowHighQuality

public boolean isShadowHighQuality()

tells what quality is used to display the shadow. 2 qualities are available.

Returns:

true is hightest quality is used

isShadowSource

public boolean isShadowSource()

return if the shadow is displayed against a light source or not

Returns:

if the shadow has a specified source

getShadowClip

public Shape getShadowClip()

set an optionql clip to the shqdow (the region on which the shadow can be displayed)

Returns:

the clip as a shape

setShadowClip

public void setShadowClip(Shape shadowClip)

set an optionql clip to the shqdow (the region on which the shadow can be displayed)

Parameters:

shadowClip - the clip as a shape

setShadowAdditionnalAngle

public void setShadowAdditionnalAngle(double shadowAdditionnalAngle)

set an option of the shadow called AdditionnalAngle which is added to the computed angle

Parameters:

shadowAdditionnalAngle -

setShadowHighQuality

public void setShadowHighQuality(boolean shadowHighQuality)

change what quality is used to display the shadow. 2 qualities are available.

Parameters:

shadowHighQuality - true is hightest quality is used

setShadowSource

public void setShadowSource(double ssAlpha,
                            double ssD)

set the light source position used to find the angle of the light

Parameters:

ssAlpha - angle of the source in polar coordinate system

ssD - distance of the source in polar coordinate system

getShadowDistance

public int getShadowDistance()

Returns:

the shadowDistance

setShadowDistance

public void setShadowDistance(int shadowDistance)

Parameters:

shadowDistance - the shadowDistance to set