Category
Example
Hald clut image
← getVersion houghLineImage →Replaces colors in the image using a Hald lookup table. Hald images can be created using HALD color coder.
A Hald clut is a special image that encodes how source colors should be mapped to output colors. Full details of how they work can be found on either Quel Solaar - Clut page, or RawTherapee - using different cluts to simulate film.
Lots more HaldCLUTs are behind that link.
This HaldCLUT image used for the selected settings:
View full size hald image.
Example
function haldClutImage($image_path, $hald_clut_type)
{
$imagick = new \Imagick(realpath($image_path));
$haldClutImage = new \Imagick(realpath($hald_clut_type));
$imagick->haldClutImage($haldClutImage);
header("Content-Type: image/jpeg");
echo $imagick->getImageBlob();
}