Package com.inductiveautomation.rm.pdf.reader.fps

Class 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:

Paint, PaintContext, 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(Map patternDict, Map shadingDict, PDFFile srcFile)

Method Summary

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(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 Details

FunctionShading

public FunctionShading(Map patternDict,
 Map shadingDict,
 PDFFile srcFile)

Method Details

initializeShadingParameters

public void initializeShadingParameters(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