FunctionShading

java.lang.Object
- com.inductiveautomation.rm.pdf.reader.PDFPattern
- - com.inductiveautomation.rm.pdf.reader.fps.ShadingPattern
  - - com.inductiveautomation.rm.pdf.reader.fps.FunctionShading

All Implemented Interfaces:

java.awt.Paint, java.awt.PaintContext, java.awt.Transparency
```
public class FunctionShading
extends ShadingPattern
```
Function-based (type 1) shadings x,y values in shading space are just passed to the function and the returned color value is plotted.

Field Summary
- Fields inherited from class com.inductiveautomation.rm.pdf.reader.fps.ShadingPattern
  ArbitraryColorSpaceShading, DeviceGrayShading, DeviceRGBShading
- Fields inherited from interface java.awt.Transparency
  BITMASK, OPAQUE, TRANSLUCENT

Constructor Summary

Constructors
Constructor Description

FunctionShading(java.util.Map patternDict, java.util.Map shadingDict, PDFFile srcFile)

Method Summary

All Methods Instance Methods Concrete Methods
Modifier and Type	Method	Description
`void`	`doShading(int[] samples, int x, int y, int w, int h)`	Subclasses should implement this method to draw the shading.
`void`	`initializeShadingParameters(java.util.Map shadingDict, PDFFile srcFile)`	Read the shading parameters

Methods inherited from class com.inductiveautomation.rm.pdf.reader.fps.ShadingPattern
createContext, dispose, getBounds, getColorModel, getInstance, getPaint, getRaster, getRGBAPixel, getTransform, getTransparency, setColorSpace, setDeviceTransform

Methods inherited from class com.inductiveautomation.rm.pdf.reader.PDFPattern
getGState, getInstance

Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

FunctionShading

public FunctionShading(java.util.Map patternDict,
                       java.util.Map shadingDict,
                       PDFFile srcFile)

Method Detail
- initializeShadingParameters
```
public void initializeShadingParameters(java.util.Map shadingDict,
                                        PDFFile srcFile)
```
  Read the shading parameters
  
  Overrides:
  
  initializeShadingParameters in class ShadingPattern
- doShading
```
public void doShading(int[] samples,
                      int x,
                      int y,
                      int w,
                      int h)
```
  Description copied from class: ShadingPattern
  
  Subclasses should implement this method to draw the shading. Samples is defined to be an array of 8 bit persample/4 samples per pixel ARGB pixels. There is no padding, so all scanlines are w integers wide.
  
  Specified by:
  
  doShading in class ShadingPattern