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org.apache.poi.sl.draw
Class DrawPaint

java.lang.Object
  extended by org.apache.poi.sl.draw.DrawPaint

public class DrawPaint
extends java.lang.Object

This class handles color transformations.

See Also:
HSL code taken from Java Tips Weblog

Field Summary
protected  PlaceableShape<?,?> shape
           
 
Constructor Summary
DrawPaint(PlaceableShape<?,?> shape)
           
 
Method Summary
static java.awt.Color applyColorTransform(ColorStyle color)
          Convert color transformations in ColorStyle to a Color instance
protected  java.awt.Paint createLinearGradientPaint(PaintStyle.GradientPaint fill, java.awt.Graphics2D graphics)
           
protected  java.awt.Paint createPathGradientPaint(PaintStyle.GradientPaint fill, java.awt.Graphics2D graphics)
           
protected  java.awt.Paint createRadialGradientPaint(PaintStyle.GradientPaint fill, java.awt.Graphics2D graphics)
           
static PaintStyle.SolidPaint createSolidPaint(java.awt.Color color)
           
static PaintStyle.SolidPaint createSolidPaint(ColorStyle color)
           
protected  java.awt.Paint getGradientPaint(PaintStyle.GradientPaint fill, java.awt.Graphics2D graphics)
           
 java.awt.Paint getPaint(java.awt.Graphics2D graphics, PaintStyle paint)
           
 java.awt.Paint getPaint(java.awt.Graphics2D graphics, PaintStyle paint, PaintStyle.PaintModifier modifier)
           
protected  java.awt.Paint getSolidPaint(PaintStyle.SolidPaint fill, java.awt.Graphics2D graphics, PaintStyle.PaintModifier modifier)
           
protected  java.awt.Paint getTexturePaint(PaintStyle.TexturePaint fill, java.awt.Graphics2D graphics)
           
static java.awt.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]
protected  void snapToAnchor(java.awt.geom.Point2D p, java.awt.geom.Rectangle2D anchor)
           
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
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait
 

Field Detail

shape

protected PlaceableShape<?,?> shape
Constructor Detail

DrawPaint

public DrawPaint(PlaceableShape<?,?> shape)
Method Detail

createSolidPaint

public static PaintStyle.SolidPaint createSolidPaint(java.awt.Color color)

createSolidPaint

public static PaintStyle.SolidPaint createSolidPaint(ColorStyle color)

getPaint

public java.awt.Paint getPaint(java.awt.Graphics2D graphics,
                               PaintStyle paint)

getPaint

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

getSolidPaint

protected java.awt.Paint getSolidPaint(PaintStyle.SolidPaint fill,
                                       java.awt.Graphics2D graphics,
                                       PaintStyle.PaintModifier modifier)

getGradientPaint

protected java.awt.Paint getGradientPaint(PaintStyle.GradientPaint fill,
                                          java.awt.Graphics2D graphics)

getTexturePaint

protected java.awt.Paint getTexturePaint(PaintStyle.TexturePaint fill,
                                         java.awt.Graphics2D graphics)

applyColorTransform

public static java.awt.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

createLinearGradientPaint

protected java.awt.Paint createLinearGradientPaint(PaintStyle.GradientPaint fill,
                                                   java.awt.Graphics2D graphics)

createRadialGradientPaint

protected java.awt.Paint createRadialGradientPaint(PaintStyle.GradientPaint fill,
                                                   java.awt.Graphics2D graphics)

createPathGradientPaint

protected java.awt.Paint createPathGradientPaint(PaintStyle.GradientPaint fill,
                                                 java.awt.Graphics2D graphics)

snapToAnchor

protected void snapToAnchor(java.awt.geom.Point2D p,
                            java.awt.geom.Rectangle2D anchor)

HSL2RGB

public static java.awt.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[])
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