CairoFormat::strideForWidth()
(PECL cairo >= 0.1.0)
Provides an appropriate stride to use
说明
public static CairoFormat::strideForWidth(int $format,int $width): int
This method provides a stride value that will respect all alignment requirements of the accelerated image-rendering code within cairo.
参数
- $format
The desired CairoFormat to use
- $width
The width of the image
返回值
The appropriate stride to use given the desired format and width, or -1 if either the format is invalid or the width too large.
范例
Example #1 CairoFormat::strideForWidth() example
<?php /* ... */ ?>
以上例程的输出类似于:
...
参见
- Classname::Method()