PHP | Imagick quantizeImage() Function
Last Updated :
04 Dec, 2019
The Imagick::quantizeImage() function is an inbuilt function in PHP which is used to analyze the colors within a reference image.
Syntax:
bool Imagick::quantizeImage ( int $numberColors, int $colorspace,
int $treedepth, bool $dither, bool $measureError)
Parameters: This function accepts five parameters as mentioned above and described below:
- $numberColors: It specifies the number of colors.
- $colorspace: It specifies the colorspace.
- $treedepth: It specifies the depth of tree.
- $dither: It specifies whether to enable dither or not.
- $measureError: It specifies whether to enable error measurement or not.
Return Value: This function returns TRUE on success.
Exceptions: This function throws ImagickException on error.
Below given programs illustrate the Imagick::quantizeImage() function in PHP:
Program 1:
<?php
$imagick = new Imagick(
$imagick ->quantizeImage(100, 8, 256, true, false);
$imagick ->setImageFormat( 'png' );
header( "Content-Type: image/png" );
echo $imagick ->getImageBlob();
?>
|
Output:
Program 2:
<?php
$imagick = new Imagick(
$imagick ->quantizeImage(2, 50, 256, true, false);
$imagick ->setImageFormat( 'png' );
header( "Content-Type: image/png" );
echo $imagick ->getImageBlob();
?>
|
Output:
Reference: https://www.php.net/manual/en/imagick.quantizeimage.php
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