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Cairo
The CairoFontType class

The CairoFontType class

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简介

CairoFontType class is an abstract final class that contains constants used to describe the type of a given CairoFontFace or CairoScaledFont. The font types are also known as "font backends" within cairo.

The type of a CairoFontFace is determined by the how it is created, an example would be the CairoToyFontFace::__construct(). The CairoFontFace type can be queried with CairoFontFace::getType() or cairo_font_face_get_type()

The various CairoFontFace functions can be used with a font face of any type.

The type of a CairoScaledFont is determined by the type of the CairoFontFace passed to CairoScaledFont::__construct() or cairo_scaled_font_create(). The scaled font type can be queried with CairoScaledFont::getType() or cairo_scaled_font_get_type().

类摘要

CairoFontType {

/* 常量 */

const integer TOY = 0 ;

const integer FT = 1 ;

const integer WIN32 = 2 ;

const integer QUARTZ = 3 ;

}

预定义常量

CairoFontType::TOY: The font was created using CairoToyFont api
CairoFontType::FT: The font is of type CairoFreeType
CairoFontType::WIN32: The font is of type Win32
CairoFontType::QUARTZ: The font is of type Quartz
CairoFontType::USER: The font was create using cairo's user font api