ParagraphLayouter::VisualRun Class Reference

Visual run contains data about the bit of text with the same font. More...

#include <gfx_layout.h>

Inheritance diagram for ParagraphLayouter::VisualRun:

Public Member Functions
virtual const Font *	GetFont () const =0
	Get the font.
virtual size_t	GetGlyphCount () const =0
	Get the number of glyphs.
virtual std::span< const GlyphID >	GetGlyphs () const =0
	Get the glyphs to draw.
virtual std::span< const Position >	GetPositions () const =0
	Get the positions for each of the glyphs.
virtual int	GetLeading () const =0
	Get the font leading, or distance between the baselines of consecutive lines.
virtual std::span< const int >	GetGlyphToCharMap () const =0
	The offset for each of the glyphs to the character run that was passed to the Layouter.

Detailed Description

Visual run contains data about the bit of text with the same font.

Definition at line 132 of file gfx_layout.h.

Member Function Documentation

GetFont()

virtual const Font * ParagraphLayouter::VisualRun::GetFont ( ) const

pure virtual

Get the font.

Returns

The font used for this run.

Implemented in CoreTextParagraphLayout::CoreTextVisualRun, FallbackParagraphLayout::FallbackVisualRun, ICUParagraphLayout::ICUVisualRun, and UniscribeParagraphLayout::UniscribeVisualRun.

Referenced by DrawLayoutLine().

GetGlyphCount()

virtual size_t ParagraphLayouter::VisualRun::GetGlyphCount ( ) const

pure virtual

Get the number of glyphs.

Returns

The number of glyphs for this run.

Implemented in CoreTextParagraphLayout::CoreTextVisualRun, FallbackParagraphLayout::FallbackVisualRun, ICUParagraphLayout::ICUVisualRun, and UniscribeParagraphLayout::UniscribeVisualRun.

Referenced by DrawLayoutLine(), and Layouter::GetCharAtPosition().

GetGlyphs()

virtual std::span< const GlyphID > ParagraphLayouter::VisualRun::GetGlyphs ( ) const

pure virtual

Get the glyphs to draw.

Returns

The glyphs.

Implemented in CoreTextParagraphLayout::CoreTextVisualRun, FallbackParagraphLayout::FallbackVisualRun, ICUParagraphLayout::ICUVisualRun, and UniscribeParagraphLayout::UniscribeVisualRun.

Referenced by DrawLayoutLine(), and Layouter::GetCharAtPosition().

GetGlyphToCharMap()

virtual std::span< const int > ParagraphLayouter::VisualRun::GetGlyphToCharMap ( ) const

pure virtual

The offset for each of the glyphs to the character run that was passed to the Layouter.

Returns

The offsets.

Implemented in CoreTextParagraphLayout::CoreTextVisualRun, FallbackParagraphLayout::FallbackVisualRun, ICUParagraphLayout::ICUVisualRun, and UniscribeParagraphLayout::UniscribeVisualRun.

Referenced by Layouter::GetCharAtPosition(), and Layouter::GetCharPosition().

GetLeading()

virtual int ParagraphLayouter::VisualRun::GetLeading ( ) const

pure virtual

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

Returns

The leading in pixels.

Implemented in CoreTextParagraphLayout::CoreTextVisualRun, FallbackParagraphLayout::FallbackVisualRun, ICUParagraphLayout::ICUVisualRun, and UniscribeParagraphLayout::UniscribeVisualRun.

GetPositions()

virtual std::span< const Position > ParagraphLayouter::VisualRun::GetPositions ( ) const

pure virtual

Get the positions for each of the glyphs.

Returns

The glyph positions.

Implemented in CoreTextParagraphLayout::CoreTextVisualRun, FallbackParagraphLayout::FallbackVisualRun, ICUParagraphLayout::ICUVisualRun, and UniscribeParagraphLayout::UniscribeVisualRun.

Referenced by DrawLayoutLine(), Layouter::GetCharAtPosition(), and Layouter::GetCharPosition().

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

• src/gfx_layout.h