(PECL imagick 2.0.0)
Imagick::setImageResolution — Sets the image resolution
$x_resolution
, float $y_resolution
)Sets the image resolution.
x_resolution
y_resolution
成功时返回 TRUE。
错误时抛出 ImagickException。
craig dot fairhurst at nospamyouds dot com (2010-02-12 10:12:10)
Note that any changes to the resolution (-density option) must be made before specifying the file, so construct the object with no file path and then use $object->readImage('path/to/file'); otherwise the density won't change.
Also see Imagick::setResolution.
octave at web dot de (2009-07-17 09:27:14)
This method uses the ImageMagick "-density {$x_resolution}x{$y_resolution}" parameter