CairoFormat::strideForWidth
(PECL cairo >= 0.1.0)
CairoFormat::strideForWidth — Provides an appropriate stride to use
説明
public static CairoFormat::strideForWidth
( int
$format
, int $width
) : intThis method provides a stride value that will respect all alignment requirements of the accelerated image-rendering code within cairo.
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
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
- Classname::Method()
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