(PHP 4 >= 4.0.6, PHP 5)
imagesetbrush — Set the brush image for line drawing
imagesetbrush() sets the brush image to be used by all line drawing functions (such as imageline() and imagepolygon()) when drawing with the special colors IMG_COLOR_BRUSHED or IMG_COLOR_STYLEDBRUSHED.
An image resource, returned by one of the image creation functions, such as imagecreatetruecolor().
An image resource
如果成功則回傳 TRUE,失敗則回傳 FALSE。
Note: You need not take special action when you are finished with a brush, but if you destroy the brush image, you must not use the IMG_COLOR_BRUSHED or IMG_COLOR_STYLEDBRUSHED colors until you have set a new brush image!