CairoFormat
PHP Manual

CairoFormat::strideForWidth

(PECL cairo >= 0.1.0)

CairoFormat::strideForWidthProvides an appropiate stride to use

説明

public static int CairoFormat::strideForWidth ( int $format , int $width )

This method provides a stride value that will respect all alignment requirements of the accelerated image-rendering code within cairo.

パラメータ

format

The desired CairoFormat to use

width

The width of the image

返り値

The appropriate stride to use given the desired format and width, or -1 if either the format is invalid or the width too large.

例1 CairoFormat::strideForWidth() example

<?php
/* ... */
?>

上の例の出力は、 たとえば以下のようになります。

...

参考


CairoFormat
PHP Manual