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Experiment(Photo): use imagick+cloning instead of gd2

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This commit is contained in:
celestora 2022-12-13 00:47:25 +02:00
parent c387a0ff0a
commit 918ff0e0f0
1 changed files with 43 additions and 27 deletions
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70
Web/Models/Entities/Photo.php
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@ -1,6 +1,8 @@
<?php declare(strict_types=1);
namespace openvk\Web\Models\Entities;
use MessagePack\MessagePack;
use Nette\Utils\ImageException;
use Nette\Utils\UnknownImageFileException;
use openvk\Web\Models\Entities\Album;
use openvk\Web\Models\Repositories\Albums;
use Chandler\Database\DatabaseConnection as DB;
@ -13,47 +15,55 @@ class Photo extends Media
protected $fileExtension = "jpeg";
const ALLOWED_SIDE_MULTIPLIER = 7;
private function resizeImage(string $filename, string $outputDir, \SimpleXMLElement $size): array
/**
* @throws \ImagickException
* @throws ImageException
* @throws UnknownImageFileException
*/
private function resizeImage(\Imagick $image, string $filename, string $outputDir, \SimpleXMLElement $size): array
{
$res = [false];
$image = Image::fromFile($filename);
$res = [false];
$requiresProportion = ((string) $size["requireProp"]) != "none";
if($requiresProportion) {
$props = explode(":", (string) $size["requireProp"]);
$props = explode(":", (string)$size["requireProp"]);
$px = (int) $props[0];
$py = (int) $props[1];
if(($image->getWidth() / $image->getHeight()) > ($px / $py)) {
# For some weird reason using resize with EXACT flag causes system to consume an unholy amount of RAM
$image->crop(0, 0, "100%", (int) ceil(($px * $image->getWidth()) / $py));
if(($image->getImageWidth() / $image->getImageHeight()) > ($px / $py)) {
$height = ceil(($px * $image->getImageWidth()) / $py);
$image->cropImage($image->getImageWidth(), $height, 0, 0);
$res[0] = true;
}
}
if(isset($size["maxSize"])) {
$maxSize = (int) $size["maxSize"];
$image->resize($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], $sizes[1], \Imagick::FILTER_POINT, 1);
} else if(isset($size["maxResolution"])) {
$resolution = explode("x", (string) $size["maxResolution"]);
$image->resize((int) $resolution[0], (int) $resolution[1], Image::SHRINK_ONLY | Image::FIT);
$sizes = Image::calculateSize(
$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);
} else {
throw new \RuntimeException("Malformed size description: " . (string) $size["id"]);
}
$res[1] = $image->getWidth();
$res[2] = $image->getHeight();
$res[1] = $image->getImageWidth();
$res[2] = $image->getImageHeight();
if($res[1] <= 300 || $res[2] <= 300)
$image->save("$outputDir/" . (string) $size["id"] . ".gif");
$image->writeImage("$outputDir/$size[id].gif");
else
$image->save("$outputDir/" . (string) $size["id"] . ".jpeg");
imagedestroy($image->getImageResource());
$image->writeImage("$outputDir/$size[id].jpeg");
$image->destroy();
unset($image);
return $res;
}
private function saveImageResizedCopies(string $filename, string $hash): void
private function saveImageResizedCopies(\Imagick $image, string $filename, string $hash): void
{
$dir = dirname($this->pathFromHash($hash));
$dir = "$dir/$hash" . "_cropped";
@ -68,7 +78,7 @@ class Photo extends Media
$sizesMeta = [];
foreach($sizes->Size as $size)
$sizesMeta[(string) $size["id"]] = $this->resizeImage($filename, $dir, $size);
$sizesMeta[(string) $size["id"]] = $this->resizeImage(clone $image, $filename, $dir, $size);
$sizesMeta = MessagePack::pack($sizesMeta);
$this->stateChanges("sizes", $sizesMeta);
@ -76,13 +86,19 @@ class Photo extends Media
protected function saveFile(string $filename, string $hash): bool
{
$image = Image::fromFile($filename);
if(($image->height >= ($image->width * Photo::ALLOWED_SIDE_MULTIPLIER)) || ($image->width >= ($image->height * Photo::ALLOWED_SIDE_MULTIPLIER)))
$image = new \Imagick;
$image->readImage($filename);
$h = $image->getImageHeight();
$w = $image->getImageWidth();
if(($h >= ($w * Photo::ALLOWED_SIDE_MULTIPLIER)) || ($w >= ($h * Photo::ALLOWED_SIDE_MULTIPLIER)))
throw new ISE("Invalid layout: image is too wide/short");
$image->resize(8192, 4320, Image::SHRINK_ONLY | Image::FIT);
$image->save($this->pathFromHash($hash), 92, Image::JPEG);
$this->saveImageResizedCopies($filename, $hash);
$sizes = Image::calculateSize(
$image->getImageWidth(), $image->getImageHeight(), 8192, 4320, Image::SHRINK_ONLY | Image::FIT
);
$image->resizeImage($sizes[0], $sizes[1], \Imagick::FILTER_POINT, 1);
$image->writeImage($this->pathFromHash($hash));
$this->saveImageResizedCopies($image, $filename, $hash);
return true;
}