php教程

imagebmp

(PHP 7 >= 7.2.0)

imagebmpOutput a BMP image to browser or file

说明

imagebmp ( resource $image [, mixed $to = NULL [, bool $compressed = TRUE ]] ) : bool

Outputs or saves a BMP version of the given image.

参数

image

由图象创建函数(例如imagecreatetruecolor())返回的图象资源。

to

文件保存的路径,如果未设置或为 NULL,将会直接输出原始图象流。

Note:

NULL is invalid if the compressed arguments is not used.

compressed

Whether the BMP should be compressed with run-length encoding (RLE), or not.

返回值

成功时返回 TRUE, 或者在失败时返回 FALSE

Caution

However, if libgd fails to output the image, this function returns TRUE.

范例

Example #1 Saving a BMP file

<?php
// Create a blank image and add some text
$im imagecreatetruecolor(12020);
$text_color imagecolorallocate($im2331491);

imagestring($im155,  'BMP with PHP'$text_color);

// Save the image
imagebmp($im'php.bmp');

// Free up memory
imagedestroy($im);
?>

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