array ( 0 => 'index.php', 1 => 'PHP Manual', ), 'head' => array ( 0 => 'UTF-8', 1 => 'zh', ), 'this' => array ( 0 => 'function.imagesetclip.php', 1 => 'imagesetclip', 2 => 'Set the clipping rectangle', ), 'up' => array ( 0 => 'ref.image.php', 1 => 'GD 和图像处理 函数', ), 'prev' => array ( 0 => 'function.imagesetbrush.php', 1 => 'imagesetbrush', ), 'next' => array ( 0 => 'function.imagesetinterpolation.php', 1 => 'imagesetinterpolation', ), 'alternatives' => array ( ), 'source' => array ( 'lang' => 'en', 'path' => 'reference/image/functions/imagesetclip.xml', ), 'history' => array ( ), ); $setup["toc"] = $TOC; $setup["toc_deprecated"] = $TOC_DEPRECATED; $setup["parents"] = $PARENTS; manual_setup($setup); contributors($setup); ?>

imagesetclip

(PHP 7 >= 7.2.0, PHP 8)

imagesetclip — Set the clipping rectangle

说明

imagesetclip(
    GdImage $image,
    int $x1,
    int $y1,
    int $x2,
    int $y2
): bool

imagesetclip() sets the current clipping rectangle, i.e. the area beyond which no pixels will be drawn.

参数

image

由图象创建函数(例如imagecreatetruecolor())返回的 GdImage 对象。

x1

The x-coordinate of the upper left corner.

y1

The y-coordinate of the upper left corner.

x2

The x-coordinate of the lower right corner.

y2

The y-coordinate of the lower right corner.

返回值

成功时返回 true， 或者在失败时返回 false。

更新日志

版本 说明
8.0.0 image 现在需要 GdImage 实例；之前需要有效的 gd resource。

参见