This method uses the ImageMagick "-density {$x_resolution}x{$y_resolution}" parameter
Imagick::setImageResolution
(PECL imagick 2.0.0)
Imagick::setImageResolution — Sets the image resolution
說明
bool Imagick::setImageResolution
( float
$x_resolution
, float $y_resolution
)Sets the image resolution.
參數
-
x_resolution -
-
y_resolution -
回傳值
成功時回傳 TRUE。
錯誤/例外
錯誤時拋出 ImagickException。
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User Contributed Notes 2 notes
octave at web dot de ¶
14 years ago
craig dot fairhurst at nospamyouds dot com ¶
14 years ago
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.
