lmgl::ui::Font Class Reference

Font class for loading and rendering text. More...

#include <font.hpp>

Public Member Functions
	Font (const std::string &filepath, unsigned int font_size=48)
	Load a font from file.
	~Font ()=default
	Destructor.
const Glyph &	get_glyph (char c) const
	Get glyph metadata for a character.
std::shared_ptr< renderer::Texture >	get_atlas () const
	Get the texture atlas containing all glyphs.
unsigned int	get_font_size () const
	Get the font size in pixels.
float	get_line_height () const
	Get the line height for this font.
float	measure_text (const std::string &text) const
	Calculate the width of a text string in pixels.

Detailed Description

Font class for loading and rendering text.

The Font class uses FreeType to load TrueType fonts, generates a texture atlas containing all ASCII glyphs, and provides metrics for text rendering.

Constructor & Destructor Documentation

Font()

lmgl::ui::Font::Font	(	const std::string &	filepath,
		unsigned int	font_size = 48 )

Load a font from file.

Parameters

filepath	Path to the TTF/OTF font file.
font_size	Size of the font in pixels.

Member Function Documentation

get_atlas()

std::shared_ptr< renderer::Texture > lmgl::ui::Font::get_atlas ( ) const

inline

Get the texture atlas containing all glyphs.

Returns

Shared pointer to the texture atlas.

get_font_size()

unsigned int lmgl::ui::Font::get_font_size ( ) const

inline

Get the font size in pixels.

Returns

Font size.

get_glyph()

const Glyph & lmgl::ui::Font::get_glyph

(

char

c

)

const

Get glyph metadata for a character.

Parameters

c	Character to get glyph for.

Returns

Const reference to the glyph data.

get_line_height()

float lmgl::ui::Font::get_line_height ( ) const

inline

Get the line height for this font.

Returns

Line height in pixels.

measure_text()

float lmgl::ui::Font::measure_text

(

const std::string &

text

)

const

Calculate the width of a text string in pixels.

Parameters

text	Text string to measure.

Returns

Width in pixels.

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

• include/lmgl/ui/font.hpp
• src/ui/font.cpp