ImageMagick: $wgUseImageMagick
Set to true to use ImageMagick for image resizing.
Introduced in version:1.2.0
Removed in version:still in use
Allowed values:(boolean)
Default value:false
Other settings: Alphabetical | By function

Details

Resizing can be done using PHP's internal image libraries, or using ImageMagick or another third-party converter, e.g. GraphicMagick. These latter converters support more file formats than PHP, which only supports PNG, GIF, JPG, XBM and WBMP. Set $wgUseImageMagick to true to use ImageMagick instead of the builtin functions.

For more information on how to set up ImageMagick, see Manual:Image administration#Image thumbnailing.

You may also need to set $wgImageMagickConvertCommand to be able to use ImageMagick, although this is sometimes done automatically by the installer.

To fine-tune the output of ImageMagick, set $wgSharpenParameter and $wgSharpenReductionThreshold.

$wgJpegPixelFormat sets YUV chroma subsampling mode for JPEG thumbnails to reduce file size.

Some old MediaWiki installations may have $wgUseImageResize set to false. ImageMagick requires that this setting be set to true, or else it will not work.

See also

  • $wgImageMagickConvertCommand
  • $wgImageMagickTempDir
  • $wgSharpenParameter
  • $wgSharpenReductionThreshold
  • $wgJpegPixelFormat
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