Imagemagick operators page: 14

Print

Interpret string and print to console.

More information to follow.

Process

Process the image with a custom image filter.

More information to follow.

Profile

Manage ICM, IPTC, or generic profiles in an image.

More information to follow.

Quality

Specify the output image quality.

Quality example
<?php 
$cmd 
"$input -quality 10"
exec("convert $cmd quality.jpg");
 
?>

( Only works for jpg, miff and png images 100 = least compression so best quality. )

Quantize

Reduce colors in this colorspace.

More information to follow.

Quite

Suppress all warning messages.

More information to follow.


( Error messages are still reported. )

Radial blur

Blur around the center of the image.

Radial blur example
<?php 
$cmd 
"$input -radial-blur 10"
exec("convert $cmd radial_blur.jpg");
 
?>

Raise

Lighten or darken image edges.

Raise example
<?php 
$cmd 
"$input -raise 10"
exec("convert $cmd raise_up.jpg");
 
?>

Raise

Lighten or darken image edges.

Raise example
<?php 
$cmd 
"$input +raise 10"
exec("convert $cmd raise_down.jpg");
 
?>

Red primary

Set the red chromaticity primary point.

Regard warnings

Pay attention to warning messages.

More information to follow.

Region

Set a region in which subsequent operations apply.

Region example
<?php 
$cmd 
"$input -region 140x120+50+20 -colorspace Gray"
exec("convert $cmd region_gray.jpg");
 
?>

Remap

Reduce the number of colors in an image to the colors used by this image.

Remap example
<?php 
$cmd 
"$input +dither ".
" -colors 24 -remap $input3";
exec("convert $cmd remap.jpg");
  
?>

( Using the orange red gradiant to change the colours within the hibiscus photo )

Remote

Perform a remote operation.

More information to follow.