imagesetclip
(PHP 7 >= 7.2.0, PHP 8)
imagesetclip — Set the clipping rectangle
說明
imagesetclip() sets the current clipping rectangle, i.e. the area beyond which no pixels will be drawn.
參數
- 
image
- 
由圖像建立函式(例如imagecreatetruecolor())返回的 GdImage 對象。 
- 
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
   成功時返回 true, 或者在失敗時返回 false。
  
更新日誌
| 版本 | 說明 | 
|---|---|
| 8.0.0 | imageexpects a GdImage
  instance now; previously, a resource was expected. | 
參見
- imagegetclip() - Get the clipping rectangle