[Raku PDF Project] / [Font-FreeType Module] / Font::FreeType :: SizeMetrics

class Font::FreeType::SizeMetrics

Metrics size class

Synposis

use Font::FreeType;
use Font::FreeType::Face;
use Font::FreeType::SizeMetrics;

my Font::FreeType $freetype .= new;
my Font::Freetype::face $vera = $freetype.face('Vera.ttf');
$vera.set-char-size(12,12, 72,72);
my Font::FreeType::SizeMetrics $size-metrics = $vera.scaled-metrics;

Description

This function is called, after calling set-char-size() on the face to get scaled font metrics.

Methods

x-ppem(), y-ppem()

The width and height of the scaled EM square in pixels, hence the term 1ppem` (pixels per EM).

x-scale(), y-scale()

The scaling from the EM square to x-ppem(), and y-ppem.

ascender()

The scaled height above the baseline of the ‘top’ of the font’s glyphs.

descender()

The scaled depth below the baseline of the ‘bottom’ of the font’s glyphs. Actually represents the distance moving up from the baseline, so usually negative.

underline-position()

underline-thickness()

The suggested position and thickness of underlining for the font, or Numeric:U if the information isn’t provided. In font units.

height()

The scaled line-height of the font, i.e. distance between baselines of two lines of text.

max-advance-width()

The scaled maximum advance width.

max-advance-width()

The scaled maximum advance height.

bbox()

The outline’s bounding box returned as a 4 element array: ($x-min, $y-min, $x-max, $y-max).