FallbackParagraphLayout::FallbackLine Class Reference

A single line worth of VisualRuns. More...

Inheritance diagram for FallbackParagraphLayout::FallbackLine:

Public Member Functions
int	GetLeading () const override
	Get the font leading, or distance between the baselines of consecutive lines.
int	GetWidth () const override
	Get the width of this line.
size_t	CountRuns () const override
	Get the number of runs in this line.
const ParagraphLayouter::VisualRun &	GetVisualRun (size_t run) const override
	Get a reference to the given run.
int	GetInternalCharLength (char32_t) const override
	Get the number of elements the given character occupies in the underlying text buffer of the Layouter.
Public Member Functions inherited from ParagraphLayouter::Line
virtual	~Line ()=default
	Ensure the destructor of the sub classes are called as well.

Detailed Description

A single line worth of VisualRuns.

Definition at line 59 of file gfx_layout_fallback.cpp.

Member Function Documentation

CountRuns()

size_t FallbackParagraphLayout::FallbackLine::CountRuns ( ) const

overridevirtual

Get the number of runs in this line.

Returns

The number of runs.

Implements ParagraphLayouter::Line.

Definition at line 162 of file gfx_layout_fallback.cpp.

Referenced by GetWidth().

GetInternalCharLength()

int FallbackParagraphLayout::FallbackLine::GetInternalCharLength ( char32_t c ) const

inlineoverridevirtual

Get the number of elements the given character occupies in the underlying text buffer of the Layouter.

Many use UTF-16 internally, meaning a character larger than MAX_UINT16 occupies two places in its buffer.

Parameters

c	The character to get the length for.

Returns

The length.

Implements ParagraphLayouter::Line.

Definition at line 66 of file gfx_layout_fallback.cpp.

GetLeading()

int FallbackParagraphLayout::FallbackLine::GetLeading ( ) const

overridevirtual

Get the font leading, or distance between the baselines of consecutive lines.

Returns

The leading in pixels, which is generally the maximum of all runs..

Implements ParagraphLayouter::Line.

Definition at line 137 of file gfx_layout_fallback.cpp.

GetVisualRun()

const ParagraphLayouter::VisualRun & FallbackParagraphLayout::FallbackLine::GetVisualRun ( size_t run ) const

overridevirtual

Get a reference to the given run.

Parameters

run	The index into the runs.

Returns

The reference to the run.

Implements ParagraphLayouter::Line.

Definition at line 167 of file gfx_layout_fallback.cpp.

Referenced by GetWidth().

GetWidth()

int FallbackParagraphLayout::FallbackLine::GetWidth ( ) const

overridevirtual

Get the width of this line.

Returns

The width of the line.

Implements ParagraphLayouter::Line.

Definition at line 147 of file gfx_layout_fallback.cpp.

References CountRuns(), and GetVisualRun().

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The documentation for this class was generated from the following file:

• src/gfx_layout_fallback.cpp