A generic abstract root element for a PDF layout object hierarchy. More...

Inheritance diagram for iText.Layout.RootElement< T >:

Public Member Functions
virtual T	Add (IBlockElement element)
	Adds an element to the root. More...

virtual T	Add (Image image)
	Adds an image to the root. More...

virtual FontProvider	GetFontProvider ()
	Gets iText.Layout.Font.FontProvider if presents. More...

virtual void	SetFontProvider (FontProvider fontProvider)
	Sets iText.Layout.Font.FontProvider. More...

override bool	HasProperty (int property)
	Checks if this entity has the specified property. More...

override bool	HasOwnProperty (int property)
	Checks if this entity has the specified property, i.e. if it was set to this very element earlier More...

override T1	GetProperty< T1 > (int property)
	Gets the property from this entity. More...

override T1	GetOwnProperty< T1 > (int property)
	Gets own property from this entity. More...

override T1	GetDefaultProperty< T1 > (int property)
	Gets the default property from this entity. More...

override void	DeleteOwnProperty (int property)
	Deletes the own property of this entity. More...

override void	SetProperty (int property, Object value)
	Sets a property for this entity. More...

virtual RootRenderer	GetRenderer ()
	Gets the rootRenderer attribute, a specialized iText.Layout.Renderer.IRenderer that acts as the root object that other renderers descend from. More...

virtual T	ShowTextAligned (String text, float x, float y, TextAlignment? textAlign)
	Convenience method to write a text aligned about the specified point More...

virtual T	ShowTextAligned (String text, float x, float y, TextAlignment? textAlign, float angle)
	Convenience method to write a text aligned about the specified point More...

virtual T	ShowTextAligned (String text, float x, float y, TextAlignment? textAlign, VerticalAlignment? vertAlign, float angle)
	Convenience method to write a text aligned about the specified point More...

virtual T	ShowTextAlignedKerned (String text, float x, float y, TextAlignment? textAlign, VerticalAlignment? vertAlign, float radAngle)
	Convenience method to write a kerned text aligned about the specified point More...

virtual T	ShowTextAligned (Paragraph p, float x, float y, TextAlignment? textAlign)
	Convenience method to write a text aligned about the specified point More...

virtual T	ShowTextAligned (Paragraph p, float x, float y, TextAlignment? textAlign, VerticalAlignment? vertAlign)
	Convenience method to write a text aligned about the specified point More...

virtual T	ShowTextAligned (Paragraph p, float x, float y, int pageNumber, TextAlignment? textAlign, VerticalAlignment? vertAlign, float radAngle)
	Convenience method to write a text aligned about the specified point More...

abstract void	Close ()

Public Member Functions inherited from iText.Layout.ElementPropertyContainer< T >
virtual T	SetRelativePosition (float left, float top, float right, float bottom)
	Sets values for a relative repositioning of the Element. More...

virtual T	SetFixedPosition (float left, float bottom, float width)
	Sets values for a absolute repositioning of the Element. More...

virtual T	SetFixedPosition (float left, float bottom, UnitValue width)
	Sets values for an absolute repositioning of the Element. More...

virtual T	SetFixedPosition (int pageNumber, float left, float bottom, float width)
	Sets values for a absolute repositioning of the Element. More...

virtual T	SetFixedPosition (int pageNumber, float left, float bottom, UnitValue width)
	Sets values for a absolute repositioning of the Element. More...

virtual T	SetHorizontalAlignment (HorizontalAlignment? horizontalAlignment)
	Sets the horizontal alignment of this Element. More...

virtual T	SetFont (PdfFont font)
	Sets the font of this Element. More...

virtual T	SetFontFamily (params String[] fontFamilyNames)
	Sets the preferable font families for this Element. More...

virtual T	SetFontFamily (IList< String > fontFamilyNames)
	Sets the preferable font families for this Element. More...

virtual T	SetFontColor (Color fontColor)
	Sets the font color of this Element. More...

virtual T	SetFontColor (Color fontColor, float opacity)
	Sets the font color of this Element and the opacity of the text. More...

virtual T	SetFontColor (TransparentColor transparentColor)

virtual T	SetFontSize (float fontSize)
	Sets the font size of this Element, measured in points. More...

virtual T	SetTextAlignment (TextAlignment? alignment)
	Sets the text alignment of this Element. More...

virtual T	SetCharacterSpacing (float charSpacing)
	Defines a custom spacing distance between all characters of a textual element. More...

virtual T	SetWordSpacing (float wordSpacing)
	Defines a custom spacing distance between words of a textual element. More...

virtual T	SetFontKerning (FontKerning fontKerning)
	Enable or disable kerning. More...

virtual T	SetBackgroundColor (Color backgroundColor)
	Specifies a background color for the Element. More...

virtual T	SetBackgroundColor (Color backgroundColor, float opacity)
	Specifies a background color for the Element. More...

virtual T	SetBackgroundColor (Color backgroundColor, float extraLeft, float extraTop, float extraRight, float extraBottom)
	Specifies a background color for the Element, and extra space that must be counted as part of the background and therefore colored. More...

virtual T	SetBackgroundColor (Color backgroundColor, float opacity, float extraLeft, float extraTop, float extraRight, float extraBottom)
	Specifies a background color for the Element, and extra space that must be counted as part of the background and therefore colored. More...

virtual T	SetBackgroundImage (BackgroundImage image)
	Specifies a background image for the Element. More...

virtual T	SetBackgroundImage (IList< BackgroundImage > imagesList)
	Specifies a list of background images for the Element. More...

virtual T	SetBorder (Border border)
	Sets a border for all four edges of this Element with customizable color, width, pattern type. More...

virtual T	SetBorderTop (Border border)
	Sets a border for the upper limit of this Element with customizable color, width, pattern type. More...

virtual T	SetBorderRight (Border border)
	Sets a border for the right limit of this Element with customizable color, width, pattern type. More...

virtual T	SetBorderBottom (Border border)
	Sets a border for the bottom limit of this Element with customizable color, width, pattern type. More...

virtual T	SetBorderLeft (Border border)
	Sets a border for the left limit of this Element with customizable color, width, pattern type. More...

virtual T	SetBorderRadius (BorderRadius borderRadius)
	Sets a border radius for all four edges of this Element. More...

virtual T	SetBorderBottomLeftRadius (BorderRadius borderRadius)
	Sets a border radius for the bottom left corner of this Element. More...

virtual T	SetBorderBottomRightRadius (BorderRadius borderRadius)
	Sets a border radius for the bottom right corner of this Element. More...

virtual T	SetBorderTopLeftRadius (BorderRadius borderRadius)
	Sets a border radius for the top left corner of this Element. More...

virtual T	SetBorderTopRightRadius (BorderRadius borderRadius)
	Sets a border radius for the top right corner of this Element. More...

virtual T	SetSplitCharacters (ISplitCharacters splitCharacters)
	Sets a rule for splitting strings when they don't fit into one line. More...

virtual ISplitCharacters	GetSplitCharacters ()
	Gets a rule for splitting strings when they don't fit into one line. More...

virtual ? int	GetTextRenderingMode ()
	Gets the text rendering mode, a variable that determines whether showing text causes glyph outlines to be stroked, filled, used as a clipping boundary, or some combination of the three. More...

virtual T	SetTextRenderingMode (int textRenderingMode)
	Sets the text rendering mode, a variable that determines whether showing text causes glyph outlines to be stroked, filled, used as a clipping boundary, or some combination of the three. More...

virtual Color	GetStrokeColor ()
	Gets the stroke color for the current element. More...

virtual T	SetStrokeColor (Color strokeColor)
	Sets the stroke color for the current element. More...

virtual ? float	GetStrokeWidth ()
	Gets the stroke width for the current element. More...

virtual T	SetStrokeWidth (float strokeWidth)
	Sets the stroke width for the current element. More...

virtual T	SetBold ()
	Switch on the simulation of bold style for a font. More...

virtual T	SetItalic ()
	Switch on the simulation of italic style for a font. More...

virtual T	SetLineThrough ()
	Sets default line-through attributes for text. More...

virtual T	SetUnderline ()
	Sets default underline attributes for text. More...

virtual T	SetUnderline (float thickness, float yPosition)
	Sets an horizontal line that can be an underline or a strikethrough. More...

virtual T	SetUnderline (Color color, float thickness, float thicknessMul, float yPosition, float yPositionMul, int lineCapStyle)
	Sets an horizontal line that can be an underline or a strikethrough. More...

virtual T	SetUnderline (Color color, float opacity, float thickness, float thicknessMul, float yPosition, float yPositionMul, int lineCapStyle)
	Sets an horizontal line that can be an underline or a strikethrough. More...

virtual T	SetBaseDirection (BaseDirection? baseDirection)
	This attribute specifies the base direction of directionally neutral text (i.e., text that doesn't have inherent directionality as defined in Unicode) in an element's content and attribute values. More...

virtual T	SetHyphenation (HyphenationConfig hyphenationConfig)
	Sets a custom hyphenation configuration which will hyphenate words automatically accordingly to the language and country. More...

virtual T	SetFontScript (UnicodeScript? script)
	Sets the writing system for this text element. More...

virtual T	SetDestination (String destination)
	Sets a destination name that will be created when this element is drawn to content. More...

virtual T	SetOpacity (float? opacity)
	Sets an opacity of the given element. More...

Package Functions
abstract RootRenderer	EnsureRootRendererNotNull ()

virtual void	CreateAndAddRendererSubTree (IElement element)

Package Attributes
bool	immediateFlush = true

PdfDocument	pdfDocument

IList< IElement >	childElements = new List<IElement>()

PdfFont	defaultFont

FontProvider	defaultFontProvider

ISplitCharacters	defaultSplitCharacters

RootRenderer	rootRenderer

Package Attributes inherited from iText.Layout.ElementPropertyContainer< T >
IDictionary< int, Object >	properties = new Dictionary()

Detailed Description

A generic abstract root element for a PDF layout object hierarchy.

Template Parameters

T this type

Type Constraints

T

:

IPropertyContainer

Member Function Documentation

◆ Add() [1/2]

virtual T iText.Layout.RootElement< T >.Add ( IBlockElement element )

inlinevirtual

Adds an element to the root.

Adds an element to the root. The element is immediately placed in the contents.

Parameters

element an element with spacial margins, tabbing, and alignment

Returns: this element

See also: iText.Layout.Element.BlockElement

◆ Add() [2/2]

virtual T iText.Layout.RootElement< T >.Add ( Image image )

inlinevirtual

Adds an image to the root.

Adds an image to the root. The element is immediately placed in the contents.

Parameters

image a graphical image element

Returns: this element

See also: iText.Layout.Element.Image

◆ DeleteOwnProperty()

override void iText.Layout.RootElement< T >.DeleteOwnProperty ( int property )

inlinevirtual

Deletes the own property of this entity.

Parameters

property the property to be deleted

Reimplemented from iText.Layout.ElementPropertyContainer< T >.

◆ GetDefaultProperty< T1 >()

override T1 iText.Layout.RootElement< T >.GetDefaultProperty< T1 > ( int property )

inlinevirtual

Gets the default property from this entity.

Template Parameters

T1	the return type associated with the property

Parameters

property the property to be retrieved

Returns: the default property value. If the default property is not defined, null will be returned

Reimplemented from iText.Layout.ElementPropertyContainer< T >.

◆ GetFontProvider()

virtual FontProvider iText.Layout.RootElement< T >.GetFontProvider ( )

inlinevirtual

Gets iText.Layout.Font.FontProvider if presents.

Returns: instance of iText.Layout.Font.FontProvider if exists, otherwise null.

◆ GetOwnProperty< T1 >()

override T1 iText.Layout.RootElement< T >.GetOwnProperty< T1 > ( int property )

inlinevirtual

Gets own property from this entity.

Gets own property from this entity. The property must have been set earlier to this entity. If the property is not found, null will be returned.

Template Parameters

T1	the return type associated with the property

Parameters

property the property to be retrieved

Returns: the value of the given own property. null will be returned if the property value was not found

Reimplemented from iText.Layout.ElementPropertyContainer< T >.

◆ GetProperty< T1 >()

override T1 iText.Layout.RootElement< T >.GetProperty< T1 > ( int property )

inlinevirtual

Gets the property from this entity.

Gets the property from this entity. Compared to GetOwnProperty(int) , this method can check parent's properties, styles, etc, depending on the origin of the instance

Template Parameters

T1	the return type associated with the property

Parameters

property the property to be retrieved

Returns: the value of the given property. null will be returned if the property value was not found

Reimplemented from iText.Layout.ElementPropertyContainer< T >.

◆ GetRenderer()

virtual RootRenderer iText.Layout.RootElement< T >.GetRenderer ( )

inlinevirtual

Gets the rootRenderer attribute, a specialized iText.Layout.Renderer.IRenderer that acts as the root object that other renderers descend from.

Returns: the iText.Layout.Renderer.RootRenderer attribute

◆ HasOwnProperty()

override bool iText.Layout.RootElement< T >.HasOwnProperty ( int property )

inlinevirtual

Checks if this entity has the specified property, i.e. if it was set to this very element earlier

Parameters

property the property to be checked

Returns

true if this instance has given own property, false otherwise

Reimplemented from iText.Layout.ElementPropertyContainer< T >.

◆ HasProperty()

override bool iText.Layout.RootElement< T >.HasProperty ( int property )

inlinevirtual

Checks if this entity has the specified property.

Checks if this entity has the specified property. Compared to HasOwnProperty(int) , this method can check parent's properties, styles, etc, depending on the origin of the instance

Parameters

property the property to be checked

Returns

true if this instance has given property, false otherwise

Reimplemented from iText.Layout.ElementPropertyContainer< T >.

◆ SetFontProvider()

virtual void iText.Layout.RootElement< T >.SetFontProvider ( FontProvider fontProvider )

inlinevirtual

Sets iText.Layout.Font.FontProvider.

Sets iText.Layout.Font.FontProvider. Note, font provider is inherited property.

Parameters

fontProvider instance of iText.Layout.Font.FontProvider.

◆ SetProperty()

override void iText.Layout.RootElement< T >.SetProperty	(	int	property,
		Object	value
	)

inlinevirtual

Sets a property for this entity.

Parameters

property	the property to be set
value	the value of the property

Reimplemented from iText.Layout.ElementPropertyContainer< T >.

◆ ShowTextAligned() [1/6]

virtual T iText.Layout.RootElement< T >.ShowTextAligned	(	Paragraph	p,
		float	x,
		float	y,
		int	pageNumber,
		TextAlignment?	textAlign,
		VerticalAlignment?	vertAlign,
		float	radAngle
	)

inlinevirtual

Convenience method to write a text aligned about the specified point

Parameters

p	paragraph of text to be placed to the page. By default it has no leading and is written in single line. Set width to write multiline text.
x	the point about which the text will be aligned and rotated
y	the point about which the text will be aligned and rotated
pageNumber	the page number to write the text
textAlign	horizontal alignment about the specified point
vertAlign	vertical alignment about the specified point
radAngle	the angle of rotation applied to the text, in radians

Returns: this object

◆ ShowTextAligned() [2/6]

virtual T iText.Layout.RootElement< T >.ShowTextAligned	(	Paragraph	p,
		float	x,
		float	y,
		TextAlignment?	textAlign
	)

inlinevirtual

Convenience method to write a text aligned about the specified point

Parameters

p	paragraph of text to be placed to the page. By default it has no leading and is written in single line. Set width to write multiline text.
x	the point about which the text will be aligned and rotated
y	the point about which the text will be aligned and rotated
textAlign	horizontal alignment about the specified point

Returns: this object

◆ ShowTextAligned() [3/6]

virtual T iText.Layout.RootElement< T >.ShowTextAligned	(	Paragraph	p,
		float	x,
		float	y,
		TextAlignment?	textAlign,
		VerticalAlignment?	vertAlign
	)

inlinevirtual

Convenience method to write a text aligned about the specified point

Parameters

p	paragraph of text to be placed to the page. By default it has no leading and is written in single line. Set width to write multiline text.
x	the point about which the text will be aligned and rotated
y	the point about which the text will be aligned and rotated
textAlign	horizontal alignment about the specified point
vertAlign	vertical alignment about the specified point

Returns: this object

◆ ShowTextAligned() [4/6]

virtual T iText.Layout.RootElement< T >.ShowTextAligned	(	String	text,
		float	x,
		float	y,
		TextAlignment?	textAlign
	)

inlinevirtual

Convenience method to write a text aligned about the specified point

Parameters

text	text to be placed to the page
x	the point about which the text will be aligned and rotated
y	the point about which the text will be aligned and rotated
textAlign	horizontal alignment about the specified point

Returns: this object

◆ ShowTextAligned() [5/6]

virtual T iText.Layout.RootElement< T >.ShowTextAligned	(	String	text,
		float	x,
		float	y,
		TextAlignment?	textAlign,
		float	angle
	)

inlinevirtual

Convenience method to write a text aligned about the specified point

Parameters

text	text to be placed to the page
x	the point about which the text will be aligned and rotated
y	the point about which the text will be aligned and rotated
textAlign	horizontal alignment about the specified point
angle	the angle of rotation applied to the text, in radians

Returns: this object

◆ ShowTextAligned() [6/6]

virtual T iText.Layout.RootElement< T >.ShowTextAligned	(	String	text,
		float	x,
		float	y,
		TextAlignment?	textAlign,
		VerticalAlignment?	vertAlign,
		float	angle
	)

inlinevirtual

Convenience method to write a text aligned about the specified point

Parameters

text	text to be placed to the page
x	the point about which the text will be aligned and rotated
y	the point about which the text will be aligned and rotated
textAlign	horizontal alignment about the specified point
vertAlign	vertical alignment about the specified point
angle	the angle of rotation applied to the text, in radians

Returns: this object

◆ ShowTextAlignedKerned()

virtual T iText.Layout.RootElement< T >.ShowTextAlignedKerned	(	String	text,
		float	x,
		float	y,
		TextAlignment?	textAlign,
		VerticalAlignment?	vertAlign,
		float	radAngle
	)

inlinevirtual

Convenience method to write a kerned text aligned about the specified point

Parameters

text	text to be placed to the page
x	the point about which the text will be aligned and rotated
y	the point about which the text will be aligned and rotated
textAlign	horizontal alignment about the specified point
vertAlign	vertical alignment about the specified point
radAngle	the angle of rotation applied to the text, in radians

Returns: this object

Public Member Functions

Package Functions

Package Attributes

Detailed Description

Member Function Documentation

◆ Add() [1/2]

◆ Add() [2/2]

◆ DeleteOwnProperty()

◆ GetDefaultProperty< T1 >()

◆ GetFontProvider()

◆ GetOwnProperty< T1 >()

◆ GetProperty< T1 >()

◆ GetRenderer()

◆ HasOwnProperty()

◆ HasProperty()

◆ SetFontProvider()

◆ SetProperty()

◆ ShowTextAligned() [1/6]

◆ ShowTextAligned() [2/6]

◆ ShowTextAligned() [3/6]

◆ ShowTextAligned() [4/6]

◆ ShowTextAligned() [5/6]

◆ ShowTextAligned() [6/6]

◆ ShowTextAlignedKerned()