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<?php
function resize_image(string $src_path, string $dst_path, int $max_width, int $max_height): string|null
{
if ($src_path == "" || !getimagesize($src_path)) {
return json_encode([
"status_code" => 400,
"message" => "Not an image",
"data" => null
]);
}
$imagick = new Imagick();
$imagick->readImage($src_path);
$format = strtolower($imagick->getImageFormat());
if ($imagick->getNumberImages() > 1) {
$imagick = $imagick->coalesceImages();
foreach ($imagick as $frame) {
$width = $frame->getImageWidth();
$height = $frame->getImageHeight();
$ratio = min($max_width / $width, $max_height / $height);
$new_width = (int) ($width * $ratio);
$new_height = (int) ($height * $ratio);
$frame->resizeImage($new_width, $new_height, Imagick::FILTER_TRIANGLE, 1);
$frame->setImagePage($new_width, $new_height, 0, 0);
}
$imagick = $imagick->deconstructImages();
$imagick->writeImages("$dst_path.$format", true);
} else {
$width = $imagick->getImageWidth();
$height = $imagick->getImageHeight();
$ratio = min($max_width / $width, $max_height / $height);
$new_width = (int) ($width * $ratio);
$new_height = (int) ($height * $ratio);
$imagick->resizeImage($new_width, $new_height, Imagick::FILTER_TRIANGLE, 1);
$imagick->writeImage("$dst_path.$format");
}
$imagick->clear();
$imagick->destroy();
return null;
}
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