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ITextLayoutLine Interface

Namespace:
ActiproSoftware.Windows.Controls.Rendering
Assembly:
ActiproSoftware.Shared.Wpf.dll

Provides the base requirements for a visual line of text within an ITextLayout.

public interface ITextLayoutLine

Properties

Baseline

Gets the baseline distance.

double Baseline { get; }

Property Value

double:

The baseline distance.

CharacterCount

Gets the number of characters in the line.

int CharacterCount { get; }

Property Value

int:

The number of characters in the line.

HasHardLineBreak

Gets whether the the line ends with a hard line break.

bool HasHardLineBreak { get; }

Property Value

bool:

true if the the line ends with a hard line break; otherwise, false.

Height

Gets the height of the line.

double Height { get; }

Property Value

double:

The height of the line.

StartCharacterIndex

Gets the index of the first character in this line, relative to the original ITextLayout text.

int StartCharacterIndex { get; }

Property Value

int:

The index of the first character in this line, relative to the original ITextLayout text.

Width

Gets the width of the line.

double Width { get; }

Property Value

double:

The width of the line.

Methods

GetCharacterBounds(int, bool)

Gets the ITextBounds of the specified character.

ITextBounds GetCharacterBounds(int characterIndex, bool allowVirtualSpace)
Parameter Type Description
characterIndex int

The character index, relative to the original ITextLayout text.
allowVirtualSpace bool

Whether to allow virtual space past the last character.

Returns

ITextBounds:

The ITextBounds of the specified character.

GetNextCaretCharacterIndex(int)

Returns the character index of the next character after the specified character index, which is important for multi-byte characters.

int GetNextCaretCharacterIndex(int characterIndex)
Parameter Type Description
characterIndex int

The index of the character to examine.

Returns

int:

The character index of the next character after the specified character index.

GetTextBounds(int, int, bool)

Returns the collection of ITextBounds that encompass the specified character range.

IEnumerable<ITextBounds> GetTextBounds(int characterIndex, int characterCount, bool allowVirtualSpace)
Parameter Type Description
characterIndex int

The start character index, relative to the original ITextLayout text.
characterCount int

The character count.
allowVirtualSpace bool

Whether to allow virtual space past the last character.

Returns

IEnumerable<ITextBounds>:

The collection of ITextBounds that encompass the specified character range.

HitTest(Point)

Hit tests to determine the character index at the specified location.

int HitTest(Point location)
Parameter Type Description
location Point

The location to examine.

Returns

int:

The index of the character at the location, if any. Otherwise, -1 is returned.