The CairoHintMetrics class

简介

Specifies whether to hint font metrics; hinting font metrics means quantizing them so that they are integer values in device space. Doing this improves the consistency of letter and line spacing, however it also means that text will be laid out differently at different zoom factors.

类摘要

预定义常量

CairoHintMetrics::METRICS_DEFAULT

Hint metrics in the default manner for the font backend and target device

CairoHintMetrics::METRICS_OFF

Do not hint font metrics

CairoHintMetrics::METRICS_ON

Hint font metrics