Package com.ribs.pdf.patterns
Class PDFShadingPattern
- java.lang.Object
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- com.ribs.pdf.PDFPattern
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- com.ribs.pdf.patterns.PDFShadingPattern
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- All Implemented Interfaces:
java.awt.Paint
,java.awt.PaintContext
,java.awt.Transparency
- Direct Known Subclasses:
PDFAxialShading
,PDFFunctionShading
,PDFRadialShading
public abstract class PDFShadingPattern extends PDFPattern implements java.awt.PaintContext, java.awt.Paint
PDFShadingPattern.
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Field Summary
Fields Modifier and Type Field Description static int
ArbitraryColorSpaceShading
static int
DeviceGrayShading
static int
DeviceRGBShading
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Constructor Summary
Constructors Constructor Description PDFShadingPattern(java.util.Map patternDict, java.util.Map shadingDict, PDFFile srcFile)
Constructor - patternDict may be null if this object was created from the shading operator (sh).
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Method Summary
All Methods Static Methods Instance Methods Abstract Methods Concrete Methods Modifier and Type Method Description java.awt.PaintContext
createContext(java.awt.image.ColorModel cm, java.awt.Rectangle deviceBounds, java.awt.geom.Rectangle2D userBounds, java.awt.geom.AffineTransform xform, java.awt.RenderingHints hints)
Paint & PaintContext interfacesvoid
dispose()
abstract void
doShading(int[] samples, int x, int y, int w, int h)
Subclasses should implement this method to draw the shading.java.awt.geom.Rectangle2D
getBounds()
java.awt.image.ColorModel
getColorModel()
static PDFShadingPattern
getInstance(java.util.Map dict, PDFFile srcFile)
Create an instance from a shading dictionary or a pattern dictionary.java.awt.Paint
getPaint()
Returns the awt Paint object which will render the patternjava.awt.image.Raster
getRaster(int x, int y, int w, int h)
int
getRGBAPixel(float[] sample_values)
java.awt.geom.AffineTransform
getTransform()
Returns the pattern space->default space transformint
getTransparency()
Alpha & color definitionsvoid
initializeShadingParameters(java.util.Map shadingDict, PDFFile srcFile)
Read the shading parametersvoid
setColorSpace(java.awt.color.ColorSpace c)
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Methods inherited from class com.ribs.pdf.PDFPattern
getGState, getInstance
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Field Detail
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DeviceRGBShading
public static final int DeviceRGBShading
- See Also:
- Constant Field Values
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DeviceGrayShading
public static final int DeviceGrayShading
- See Also:
- Constant Field Values
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ArbitraryColorSpaceShading
public static final int ArbitraryColorSpaceShading
- See Also:
- Constant Field Values
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Constructor Detail
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PDFShadingPattern
public PDFShadingPattern(java.util.Map patternDict, java.util.Map shadingDict, PDFFile srcFile)
Constructor - patternDict may be null if this object was created from the shading operator (sh).
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Method Detail
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getInstance
public static PDFShadingPattern getInstance(java.util.Map dict, PDFFile srcFile)
Create an instance from a shading dictionary or a pattern dictionary.
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initializeShadingParameters
public void initializeShadingParameters(java.util.Map shadingDict, PDFFile srcFile)
Read the shading parameters
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getTransform
public java.awt.geom.AffineTransform getTransform()
Description copied from class:PDFPattern
Returns the pattern space->default space transform- Specified by:
getTransform
in classPDFPattern
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getBounds
public java.awt.geom.Rectangle2D getBounds()
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setColorSpace
public void setColorSpace(java.awt.color.ColorSpace c)
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getRGBAPixel
public int getRGBAPixel(float[] sample_values)
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getPaint
public java.awt.Paint getPaint()
Description copied from class:PDFPattern
Returns the awt Paint object which will render the pattern- Specified by:
getPaint
in classPDFPattern
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createContext
public java.awt.PaintContext createContext(java.awt.image.ColorModel cm, java.awt.Rectangle deviceBounds, java.awt.geom.Rectangle2D userBounds, java.awt.geom.AffineTransform xform, java.awt.RenderingHints hints)
Paint & PaintContext interfaces- Specified by:
createContext
in interfacejava.awt.Paint
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dispose
public void dispose()
- Specified by:
dispose
in interfacejava.awt.PaintContext
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getRaster
public java.awt.image.Raster getRaster(int x, int y, int w, int h)
- Specified by:
getRaster
in interfacejava.awt.PaintContext
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getTransparency
public int getTransparency()
Alpha & color definitions- Specified by:
getTransparency
in interfacejava.awt.Transparency
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getColorModel
public java.awt.image.ColorModel getColorModel()
- Specified by:
getColorModel
in interfacejava.awt.PaintContext
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doShading
public abstract void doShading(int[] samples, int x, int y, int w, int h)
Subclasses should implement this method to draw the shading. samples is defined to be an array of 8 bit per sample/4 samples per pixel ARGB pixels. There is no padding, so all scanlines are w integers wide.
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