The Imagick::quantizeImages() function is an inbuilt function in PHP which is used to analyze the colors within a sequence of images. This is usually helpful with gif animations.
Syntax:
bool Imagick::quantizeImages(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::quantizeImages() function in PHP:
Program 1:
<?php   // Create a new imagick object $imagick = new Imagick(   // Quantize the Image $imagick->quantizeImages(2, 50, 256, true, false);   // Display the image $imagick->setImageFormat('gif'); header("Content-Type: image/gif"); echo $imagick->getImagesBlob(); ?> |
Output:
Program 2:
<?php   // Create a new imagick object $imagick = new Imagick(   // Quantize the Image $imagick->quantizeImages(2, 80, 256, true, false);   // Display the image $imagick->setImageFormat('png'); header("Content-Type: image/png"); echo $imagick->getImagesBlob(); ?> |
Output:
Reference: https://www.php.net/manual/en/imagick.quantizeimages.php
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