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Use hermite filter instead of point for image resize

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Fixes terrific image distortion during downscaling
This commit is contained in:
celestora 2022-12-14 23:09:25 +02:00
parent fb8007c47f
commit 768f834ea1
1 changed files with 3 additions and 3 deletions
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6
Web/Models/Entities/Photo.php
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@ -39,13 +39,13 @@ class Photo extends Media
if(isset($size["maxSize"])) { if(isset($size["maxSize"])) {
$maxSize = (int) $size["maxSize"]; $maxSize = (int) $size["maxSize"];
$sizes = Image::calculateSize($image->getImageWidth(), $image->getImageHeight(), $maxSize, $maxSize, Image::SHRINK_ONLY | Image::FIT); $sizes = Image::calculateSize($image->getImageWidth(), $image->getImageHeight(), $maxSize, $maxSize, Image::SHRINK_ONLY | Image::FIT);
$image->resizeImage($sizes[0], $sizes[1], \Imagick::FILTER_POINT, 1); $image->resizeImage($sizes[0], $sizes[1], \Imagick::FILTER_HERMITE, 1);
} else if(isset($size["maxResolution"])) { } else if(isset($size["maxResolution"])) {
$resolution = explode("x", (string) $size["maxResolution"]); $resolution = explode("x", (string) $size["maxResolution"]);
$sizes = Image::calculateSize( $sizes = Image::calculateSize(
$image->getImageWidth(), $image->getImageHeight(), (int) $resolution[0], (int) $resolution[1], Image::SHRINK_ONLY | Image::FIT $image->getImageWidth(), $image->getImageHeight(), (int) $resolution[0], (int) $resolution[1], Image::SHRINK_ONLY | Image::FIT
); );
$image->resizeImage($sizes[0], $sizes[1], \Imagick::FILTER_POINT, 1); $image->resizeImage($sizes[0], $sizes[1], \Imagick::FILTER_HERMITE, 1);
} else { } else {
throw new \RuntimeException("Malformed size description: " . (string) $size["id"]); throw new \RuntimeException("Malformed size description: " . (string) $size["id"]);
} }
@ -107,7 +107,7 @@ class Photo extends Media
$sizes = Image::calculateSize( $sizes = Image::calculateSize(
$image->getImageWidth(), $image->getImageHeight(), 8192, 4320, Image::SHRINK_ONLY | Image::FIT $image->getImageWidth(), $image->getImageHeight(), 8192, 4320, Image::SHRINK_ONLY | Image::FIT
); );
$image->resizeImage($sizes[0], $sizes[1], \Imagick::FILTER_POINT, 1); $image->resizeImage($sizes[0], $sizes[1], \Imagick::FILTER_HERMITE, 1);
$image->writeImage($this->pathFromHash($hash)); $image->writeImage($this->pathFromHash($hash));
$this->saveImageResizedCopies($image, $filename, $hash); $this->saveImageResizedCopies($image, $filename, $hash);