donner::FontMetrics Struct Reference

A container for font information relevant for computing font-relative lengths, per https://www.w3.org/TR/css-values/#font-relative-lengths. More...

#include "donner/base/RelativeLengthMetrics.h"

Public Member Functions
double	exUnit () const
	The value of an "ex" unit.
double	chUnit () const
	The value of a "ch" unit.

Static Public Member Functions
static FontMetrics	DefaultsWithFontSize (double fontSize)
	Construct a FontMetrics with default values for a given font size.

Public Attributes
double	fontSize = 16.0f
	"em" measurement.
double	rootFontSize = 16.0f
	The font-size of the root element, "rem".
double	exUnitInEm = 0.5f
	x-height measurement.
double	chUnitInEm
	Equal to the used advance measure of the "0" glyph in the font used to render it.

Detailed Description

A container for font information relevant for computing font-relative lengths, per https://www.w3.org/TR/css-values/#font-relative-lengths.

Member Function Documentation

DefaultsWithFontSize()

static FontMetrics donner::FontMetrics::DefaultsWithFontSize ( double fontSize )

inlinestatic

Construct a FontMetrics with default values for a given font size.

Parameters

fontSize

The font size to use for the default values.

Member Data Documentation

chUnitInEm

double donner::FontMetrics::chUnitInEm

Initial value:

=
      0.5f

Equal to the used advance measure of the "0" glyph in the font used to render it.

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

• donner/base/RelativeLengthMetrics.h