Package org.apache.poi.sl.draw

Class DrawPaint

java.lang.Object

org.apache.poi.sl.draw.DrawPaint

public class DrawPaint
extends Object

This class handles color transformations.

See Also:

HSL code taken from Java Tips Weblog

Constructor Summary

Constructors

Constructor	Description
DrawPaint(PlaceableShape<?,?> shape)

Method Summary

Modifier and Type	Method	Description
static Color	applyColorTransform(ColorStyle color)	Convert color transformations in ColorStyle to a Color instance
static PaintStyle.SolidPaint	createSolidPaint(Color color)
static PaintStyle.SolidPaint	createSolidPaint(ColorStyle color)
Paint	getPaint(Graphics2D graphics, PaintStyle paint)
Paint	getPaint(Graphics2D graphics, PaintStyle paint, PaintStyle.PaintModifier modifier)
static Color	HSL2RGB(double h, double s, double l, double alpha)	Convert HSL values to a RGB Color.
static float	lin2srgb(int linRGB)	Convert linear RGB [0..100000] to sRGB float component [0..1]
static int	srgb2lin(float sRGB)	Convert sRGB float component [0..1] from sRGB to linear RGB [0..100000]

Methods inherited from class java.lang.Object

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

Constructor Detail

DrawPaint

public DrawPaint(PlaceableShape<?,?> shape)

Method Detail

createSolidPaint

public static PaintStyle.SolidPaint createSolidPaint(Color color)

createSolidPaint

public static PaintStyle.SolidPaint createSolidPaint(ColorStyle color)

getPaint

public Paint getPaint(Graphics2D graphics,
                      PaintStyle paint)

getPaint

public Paint getPaint(Graphics2D graphics,
                      PaintStyle paint,
                      PaintStyle.PaintModifier modifier)

applyColorTransform

public static Color applyColorTransform(ColorStyle color)

Convert color transformations in ColorStyle to a Color instance

See Also:

Using Office Open XML to Customize Document Formatting in the 2007 Office System, saturation modulation (satMod), Office Open XML satMod results in more than 100% saturation

HSL2RGB

public static Color HSL2RGB(double h,
                            double s,
                            double l,
                            double alpha)

Convert HSL values to a RGB Color.

Parameters:

h - Hue is specified as degrees in the range 0 - 360.

s - Saturation is specified as a percentage in the range 1 - 100.

l - Luminance is specified as a percentage in the range 1 - 100.

alpha - the alpha value between 0 - 1

Returns:

the RGB Color object

srgb2lin

public static int srgb2lin(float sRGB)

Convert sRGB float component [0..1] from sRGB to linear RGB [0..100000]

See Also:

Color.getRGBColorComponents(float[])

lin2srgb

public static float lin2srgb(int linRGB)

Convert linear RGB [0..100000] to sRGB float component [0..1]

See Also:

Color.getRGBColorComponents(float[])