imagebmp
(PHP 7 >= 7.2.0, PHP 8)
imagebmp — Output a BMP image to browser or file
說明
Outputs or saves a BMP version of the given image
.
參數
-
image
-
由圖像建立函式(例如imagecreatetruecolor())返回的 GdImage 對象。
-
file
-
檔案儲存的路徑或者已打開的流資源(此方法返回后自動關閉該流資源),如果未設定或為
null
,將會直接輸出原始圖像流。注意:
null
is invalid if thecompressed
arguments is not used. -
compressed
-
Whether the BMP should be compressed with run-length encoding (RLE), or not.
返回值
成功時返回 true
, 或者在失敗時返回 false
。
警告
如果 libgd 輸出影象失敗,函式會返回 true
。
更新日誌
版本 | 說明 |
---|---|
8.0.0 |
image expects a GdImage
instance now; previously, a resource was expected.
|
8.0.0 |
The type of compressed is bool now; formerly it was int.
|
範例
示例 #1 Saving a BMP file
<?php
// Create a blank image and add some text
$im = imagecreatetruecolor(120, 20);
$text_color = imagecolorallocate($im, 233, 14, 91);
imagestring($im, 1, 5, 5, 'BMP with PHP', $text_color);
// Save the image
imagebmp($im, 'php.bmp');
// Free up memory
imagedestroy($im);
?>