Class SpacerRenderNode
- java.lang.Object
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- org.jfree.layouting.renderer.model.RenderNode
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- org.jfree.layouting.renderer.model.SpacerRenderNode
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- All Implemented Interfaces:
java.lang.Cloneable
- Direct Known Subclasses:
TableColumnNode
public class SpacerRenderNode extends RenderNode
A spacer reserves space for whitespaces found in the text. When encountered at the beginning or end of lines, it gets removed. Spacers are always considered discardable, so when encountered alone, they will get pruned.- Author:
- Thomas Morgner
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Field Summary
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Fields inherited from class org.jfree.layouting.renderer.model.RenderNode
HORIZONTAL_AXIS, VERTICAL_AXIS
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Constructor Summary
Constructors Constructor Description SpacerRenderNode()
SpacerRenderNode(long width, long height, boolean preserve)
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Method Summary
All Methods Instance Methods Concrete Methods Modifier and Type Method Description boolean
isDiscardable()
boolean
isEmpty()
boolean
isIgnorableForRendering()
If that method returns true, the element will not be used for rendering.-
Methods inherited from class org.jfree.layouting.renderer.model.RenderNode
appyStyle, clone, derive, deriveFrozen, findNodeById, freeze, getAlignmentAdjust, getAlignmentAdjustResolved, getAlignmentBaseline, getBaselineShift, getBaselineShiftResolved, getChangeTracker, getComputedLayoutProperties, getDimension, getEffectiveMarginBottom, getEffectiveMarginTop, getHeight, getInstanceId, getLayoutContext, getLogicalPage, getMajorAxis, getMaximumBoxWidth, getMinimumChunkWidth, getMinorAxis, getNamespace, getNext, getNodeLayoutProperties, getNormalFlow, getPageContext, getParent, getParentBlockContext, getPosition, getPrev, getStickyMarker, getTagName, getVerticalAlignment, getVisibleNext, getVisiblePrev, getWidth, getX, getY, hibernate, isDirectionLTR, isDirty, isFrozen, isHibernated, isIcmMetricsFinished, isOpen, normalizeAlignment, setComputedLayoutProperties, setDimension, setDirty, setHeight, setHibernated, setIcmMetricsFinished, setMajorAxis, setMaximumBoxWidth, setMinimumChunkWidth, setMinorAxis, setNext, setParent, setPosition, setPrev, setStickyMarker, setWidth, setX, setY, updateChangeTracker
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Method Detail
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isEmpty
public boolean isEmpty()
- Overrides:
isEmpty
in classRenderNode
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isDiscardable
public boolean isDiscardable()
- Overrides:
isDiscardable
in classRenderNode
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isIgnorableForRendering
public boolean isIgnorableForRendering()
If that method returns true, the element will not be used for rendering. For the purpose of computing sizes or performing the layouting (in the validate() step), this element will treated as if it is not there. If the element reports itself as non-empty, however, it will affect the margin computation.- Overrides:
isIgnorableForRendering
in classRenderNode
- Returns:
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