Class RenderableLexemParser

Represents a class that contain Lexem parser that uses RenderedLine instead of LexemLine class.

Inheritance
System.Object
LexemParser
RenderableLexemParser
Implements
System.Collections.IEnumerable
System.IDisposable
Inherited Members
System.Object.ToString()
System.Object.Equals(System.Object)
System.Object.Equals(System.Object, System.Object)
System.Object.ReferenceEquals(System.Object, System.Object)
System.Object.GetHashCode()
System.Object.GetType()
System.Object.MemberwiseClone()
Namespace: Syncfusion.Windows.Forms.Edit.Implementation.Parser
Assembly: Syncfusion.Edit.Windows.dll
Syntax
public class RenderableLexemParser : LexemParser, ILexemParser, IEnumerable, IXMLDataProvider, ILongOperationControllerInternal, ILongOperationController, IPositionConverter, IDisposable

Constructors

RenderableLexemParser(StreamsWrapper, IConfigLanguage)

Initializes a new instance of the RenderableLexemParser class.

Declaration
public RenderableLexemParser(StreamsWrapper source, IConfigLanguage language)
Parameters
Type Name Description
StreamsWrapper source

Input source
IConfigLanguage language

Language configuration

Properties

CharWrap

Gets or sets a value indicating whether word wrapping should be performed by chars in EditControl.

Declaration
public bool CharWrap { get; set; }
Property Value
Type Description
System.Boolean

DefaultLineHeight

Gets the default height of the line.

Declaration
public float DefaultLineHeight { get; }
Property Value
Type Description
System.Single

MaxWidth

Gets or sets the maximum width for measuring lines.

Declaration
public int MaxWidth { get; set; }
Property Value
Type Description
System.Int32

ParagraphOffset

Gets or sets the offset of paragraphs.

Declaration
public int ParagraphOffset { get; set; }
Property Value
Type Description
System.Int32

SpaceBetweenLines

Gets or sets the space between lines.

Declaration
public int SpaceBetweenLines { get; set; }
Property Value
Type Description
System.Int32

UseNativeDrawing

Gets or sets a value indicating whether native GDI should be used for text output or not.

Declaration
public bool UseNativeDrawing { get; set; }
Property Value
Type Description
System.Boolean

WrappedLinesOffset

Gets or sets the offset of wrapped lines.

Declaration
public int WrappedLinesOffset { get; set; }
Property Value
Type Description
System.Int32

Methods

CheckConsistence()

Checks line list integrity.

Declaration
protected override void CheckConsistence()
Overrides

CheckLine(RenderedLine)

Checks whether the line was rendered and raises exception if the line was not measured.

Declaration
public static void CheckLine(RenderedLine line)
Parameters
Type Name Description
RenderedLine line

Line to be checked.

CorrectVirtual(Point, Boolean)

Corrects virtual coordinates.

Declaration
public Point CorrectVirtual(Point point, bool virtualSpaceEnabled)
Parameters
Type Name Description
System.Drawing.Point point

Virtual coordinates to be corrected.
System.Boolean virtualSpaceEnabled

Specifies whether virtual space is enabled.
Returns
Type Description
System.Drawing.Point

Virtual point with correct coordinates.

CreateLexem(String, IConfigLexem)

Creates new lexem. Can be overriden.

Declaration
protected override Lexem CreateLexem(string text, IConfigLexem config)
Parameters
Type Name Description
System.String text

Text for the lexem.
IConfigLexem config

Config of lexem.
Returns
Type Description
Lexem

New lexem.
Overrides

CreateLine(IParsePoint, ConfigStack)

Creates new instance of the RenderedLine class.

Declaration
protected override ILexemLine CreateLine(IParsePoint pointLineStart, ConfigStack stack)
Parameters
Type Name Description
IParsePoint pointLineStart

ParsePoint of the line start.
ConfigStack stack

Stack at the beginning of the line.
Returns
Type Description
ILexemLine

ILexemLine interface of the line
Overrides

CreatePlainTextLine(Int32, Int32, Int32)

Creates lexem line with plain text formatting. Also calls FixLineRenderingPositions methods.

Declaration
protected override ILexemLine CreatePlainTextLine(int iLineIndexVirtual, int iLineIndexPhysical, int index)
Parameters
Type Name Description
System.Int32 iLineIndexVirtual

Virtual line index.
System.Int32 iLineIndexPhysical

Phisical line index.
System.Int32 index

Index of the line in the lines list.
Returns
Type Description
ILexemLine

newly created lexem line.
Overrides

CustomVirtualToGraphical(Point)

Converts the virtual to Graphical coordinates.

Declaration
public RectangleF CustomVirtualToGraphical(Point point)
Parameters
Type Name Description
System.Drawing.Point point

POints with virtual position
Returns
Type Description
System.Drawing.RectangleF

Rectangle, occupied by character in given coordinates.

Dispose()

Disposes all used resources.

Declaration
public void Dispose()

DropMeasuringInfo()

Drops measuring info for all cached lines.

Declaration
public void DropMeasuringInfo()

Finalize()

Calls Dispose method to dispose all used resources.

Declaration
protected void Finalize()

FixLineRenderingPositions()

Helps to fixes y coordinates of all lines. All unparsed lines are treated to have default height.

Declaration
public void FixLineRenderingPositions()

GetLineByY(Single)

Gets the line by specified y position.

Declaration
public RenderedLine GetLineByY(float y)
Parameters
Type Name Description
System.Single y

Y position.
Returns
Type Description
RenderedLine

RenderedLine object.

GetLineByY(Single, Int32)

Gets the line by specified y position.

Declaration
public RenderedLine GetLineByY(float y, int iMaxLines)
Parameters
Type Name Description
System.Single y

Y position.
System.Int32 iMaxLines

Max. number of lines.
Returns
Type Description
RenderedLine

RenderedLine object.

GetNextLine(ILexemLine)

Parses line, that is next to given one. Cache is not used.

Declaration
protected override ILexemLine GetNextLine(ILexemLine line)
Parameters
Type Name Description
ILexemLine line

Current line.
Returns
Type Description
ILexemLine

New line.
Overrides

GraphicalToVirtual(Point)

Converts graphical coordinates to virtual.

Declaration
public Point GraphicalToVirtual(Point point)
Parameters
Type Name Description
System.Drawing.Point point

Point with graphical position.
Returns
Type Description
System.Drawing.Point

Point with virtual position.

GraphicalToVirtual(Point, Boolean)

Converts graphical coordinates to virtual.

Declaration
public Point GraphicalToVirtual(Point point, bool allowWhiteSpace)
Parameters
Type Name Description
System.Drawing.Point point

Point with graphical position.
System.Boolean allowWhiteSpace

Specifies if whitespace after last character in line should be treated like regular characters.
Returns
Type Description
System.Drawing.Point

Point with virtual position.

MeasureLine(RenderedLine)

Helps to measures line if needed.

Declaration
public void MeasureLine(RenderedLine line)
Parameters
Type Name Description
RenderedLine line

Line to be measured.

OnCollapsingEnabledChanged()

Makes all needed updates after changing CollapsingEnabled state.

Declaration
protected override void OnCollapsingEnabledChanged()
Overrides

OnRegNewCollapsedStateChanged(Object, EventArgs)

On every collapsing/uncollapsing of region moves graphical positions of the lines.

Declaration
protected override void OnRegNewCollapsedStateChanged(object sender, EventArgs e)
Parameters
Type Name Description
System.Object sender

Sender.
System.EventArgs e

EventArgs.
Overrides

PhysicalToVirtual(IParsePoint)

Converts physical coordinates to virtual.

Declaration
public Point PhysicalToVirtual(IParsePoint point)
Parameters
Type Name Description
IParsePoint point

ParsePoint with physical position.
Returns
Type Description
System.Drawing.Point

Point with virtual position.

RemeasureLines()

Drops measuring info and remeasures all cached lines.

Declaration
public void RemeasureLines()

SetDPIFromGraphics(Graphics)

Helps to changes the dpi of the graphics object, that are used for measuring lines. If dpi is not equal to the currently used, new graphics object is created and all lines are remeasured.

Declaration
public void SetDPIFromGraphics(Graphics g)
Parameters
Type Name Description
System.Drawing.Graphics g

Graphics object with desired resolution.

VirtualToGraphical(Point)

Converts virtual coordinates to graphical.

Declaration
public RectangleF VirtualToGraphical(Point point)
Parameters
Type Name Description
System.Drawing.Point point

Point with virtual position.
Returns
Type Description
System.Drawing.RectangleF

Rectangle, occupied by character in given coordinates.

VirtualToPhysical(Point)

Converts Virtual position to physical positions.

Declaration
public IParsePoint VirtualToPhysical(Point point)
Parameters
Type Name Description
System.Drawing.Point point

Virtual point.
Returns
Type Description
IParsePoint

IParsePoint with reference to physical coordinates.

Implements

System.Collections.IEnumerable
System.IDisposable

Extension Methods