An object that can look up glyph locations within the GlyphAtlas for a particular typeface. More...

#include <glyph_atlas.h>

Public Member Functions
	FontGlyphAtlas ()=default

std::optional< std::pair< Rect, Rect > >	FindGlyphBounds (const SubpixelGlyph &glyph) const
	Find the location of a glyph in the atlas. More...

Friends
class	GlyphAtlas

Detailed Description

An object that can look up glyph locations within the GlyphAtlas for a particular typeface.

Definition at line 204 of file glyph_atlas.h.

Constructor & Destructor Documentation

◆ FontGlyphAtlas()

impeller::FontGlyphAtlas::FontGlyphAtlas ( )

default

Member Function Documentation

◆ FindGlyphBounds()

std::optional< std::pair< Rect, Rect > > impeller::FontGlyphAtlas::FindGlyphBounds ( const SubpixelGlyph & glyph ) const

Find the location of a glyph in the atlas.

Parameters

[in] glyph The glyph

Returns: The location of the glyph in the atlas. std::nullopt if the glyph is not in the atlas.

Definition at line 119 of file glyph_atlas.cc.

                                       {
   const auto& found = positions_.find(glyph);
   if (found == positions_.end()) {
     return std::nullopt;
   }
   return found->second;
 }

Referenced by impeller::CollectNewGlyphs(), impeller::TypographerContextSTB::CreateGlyphAtlas(), and impeller::TextContents::Render().

Friends And Related Function Documentation

◆ GlyphAtlas

friend class GlyphAtlas

friend

Definition at line 220 of file glyph_atlas.h.

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

impeller/typographer/glyph_atlas.h
impeller/typographer/glyph_atlas.cc

Public Member Functions