To create a png with the transparent background:
newimage(width, height, "transparent", "png")
Gmagick::newimage
(PECL gmagick >= Unknown)
Gmagick::newimage — Creates a new image
说明
Creates a new image with the specified background color.
参数
-
width -
Width of the new image.
-
height -
Height of the new image.
-
background -
The background color used for this image (as float).
-
format -
Image format.
返回值
The Gmagick object.
错误／异常
错误时抛出 GmagickException。
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