Class AbstractGradientSvgNodeRenderer

java.lang.Object

com.itextpdf.svg.renderers.impl.AbstractSvgNodeRenderer

com.itextpdf.svg.renderers.impl.AbstractBranchSvgNodeRenderer

com.itextpdf.svg.renderers.impl.AbstractGradientSvgNodeRenderer

All Implemented Interfaces:

IBranchSvgNodeRenderer, INoDrawSvgNodeRenderer, ISvgNodeRenderer, ISvgPaintServer

Direct Known Subclasses:

LinearGradientSvgNodeRenderer

public abstract class AbstractGradientSvgNodeRenderer
extends AbstractBranchSvgNodeRenderer
implements ISvgPaintServer

ISvgNodeRenderer abstract implementation for gradient tags (<linearGradient>, <radialGradient>).

Nested Class Summary

Nested classes/interfaces inherited from class AbstractSvgNodeRenderer

AbstractSvgNodeRenderer.FillProperties, AbstractSvgNodeRenderer.StrokeProperties

Field Summary

Fields inherited from class AbstractBranchSvgNodeRenderer

VIEWBOX_VALUES_NUMBER

Fields inherited from class AbstractSvgNodeRenderer

attributesAndStyles, doFill, doStroke

Constructor Summary

Constructors

Constructor	Description
AbstractGradientSvgNodeRenderer()

Method Summary

Modifier and Type	Method	Description
protected void	doDraw(SvgDrawContext context)	Method that will set properties to be inherited by this branch renderer's children and will iterate over all children in order to draw them.
protected List<StopSvgNodeRenderer>	getChildStopRenderers()	Construct a list of child stop renderers
protected AffineTransform	getGradientTransform()	Evaluates the 'gradientTransform' transformations
protected boolean	isObjectBoundingBoxUnits()	Checks whether the gradient units values are on user space on use or object bounding box
protected GradientSpreadMethod	parseSpreadMethod()	Parses the gradient spread method

Methods inherited from class AbstractBranchSvgNodeRenderer

addChild, applyViewBox, calculateAndApplyViewBox, createDeepCopy, deepCopyChildren, getChildren, postDraw

Methods inherited from class AbstractSvgNodeRenderer

applyFillAndStrokeProperties, applyNonScalingStrokeTransform, calculateViewPortTranslation, canConstructViewPort, canElementFill, deepCopyAttributesAndStyles, doStrokeOrFill, draw, getAttribute, getAttributeMapCopy, getAttributeOrDefault, getCurrentFontSize, getCurrentFontSize, getCurrentViewBox, getParent, getParentClipPath, isHidden, parseAbsoluteLength, parseHorizontalLength, parseVerticalLength, preDraw, retrieveAlignAndMeet, setAttribute, setAttributesAndStyles, setParent

Methods inherited from class Object

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

Methods inherited from interface IBranchSvgNodeRenderer

addChild, getChildren

Methods inherited from interface ISvgNodeRenderer

createDeepCopy, draw, getAttribute, getAttributeMapCopy, getObjectBoundingBox, getParent, setAttribute, setAttributesAndStyles, setParent

Methods inherited from interface ISvgPaintServer

createColor

Constructor Details

AbstractGradientSvgNodeRenderer

public AbstractGradientSvgNodeRenderer()

Method Details

doDraw

protected void doDraw(SvgDrawContext context)

Description copied from class: AbstractBranchSvgNodeRenderer

Method that will set properties to be inherited by this branch renderer's children and will iterate over all children in order to draw them.

Overrides:

doDraw in class AbstractBranchSvgNodeRenderer

Parameters:

context - the object that knows the place to draw this element and maintains its state

isObjectBoundingBoxUnits

protected boolean isObjectBoundingBoxUnits()

Checks whether the gradient units values are on user space on use or object bounding box

Returns:

false if the 'gradientUnits' value of the gradient tag equals to 'userSpaceOnUse', otherwise true

getGradientTransform

protected AffineTransform getGradientTransform()

Evaluates the 'gradientTransform' transformations

Returns:

an AffineTransform object representing the specified gradient transformation

getChildStopRenderers

protected List<StopSvgNodeRenderer> getChildStopRenderers()

Construct a list of child stop renderers

Returns:

a list of StopSvgNodeRenderer elements that represents the child stop values

parseSpreadMethod

protected GradientSpreadMethod parseSpreadMethod()

Parses the gradient spread method

Returns:

the parsed GradientSpreadMethod specified in the gradient