Cairo
PHP Manual

The CairoContent class

導入

CairoContent is used to describe the content that a surface will contain, whether color information, alpha information (translucence vs. opacity), or both.

Note: The large values here are designed to keep CairoContent values distinct from CairoContent values so that the implementation can detect the error if users confuse the two types.

クラス概要

CairoContent {
/* 定数 */
const integer CairoContent::COLOR = 4096 ;
const integer CairoContent::ALPHA = 8192 ;
const integer CairoContent::COLOR_ALPHA = 12288 ;
}

定義済み定数

CairoContent Node Types

CairoContent::COLOR

The surface will hold color content only.

CairoContent::ALPHA

The surface will hold alpha content only.

CairoContent::COLOR_ALPHA

The surface will hold color and alpha content.


Cairo
PHP Manual