155 lines
4.3 KiB
PHP
155 lines
4.3 KiB
PHP
<?php
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/**
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* @package: events-venues-task
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* @author: Yevhen Odynets
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* @date: 2024-07-27
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* @time: 12:42
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*/
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declare(strict_types=1);
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namespace App\Services\Image;
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use Illuminate\Support\Facades\File;
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use ReflectionException;
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use RuntimeException;
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trait ImageCropperTrait
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{
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public static int $counter = 1;
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/**
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* @throws ReflectionException
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*/
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public function cropAlign(
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string $srcPath,
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string $dbPath,
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?int $cropWidth = null,
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?int $cropHeight = null,
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?string $horizontalAlign = 'center',
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?string $verticalAlign = 'middle'
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): string {
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$resource = $this->imageResource($srcPath);
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if ($resource === false) {
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appNotice("could not get image resource: $srcPath");
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return $dbPath;
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}
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[$image, $saveMethod, $quality] = $resource;
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$width = imagesx($image);
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$height = imagesy($image);
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$cropWidth ??= $width;
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$cropHeight ??= $height;
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if (($width > $cropWidth || $height > $cropHeight) === false) {
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$destPath = $this->destPath($srcPath, $dbPath, $width, $height);
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appInfo(self::$counter++ . ". skip cropping ($width x $height): " . basename($destPath[0]) . " saved");
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return File::move($srcPath, $destPath[0]) ? $destPath[1] : $dbPath;
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}
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$horizontalAlignPixels = $this->calculatePixelsForAlign($width, $cropWidth, $horizontalAlign);
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$verticalAlignPixels = $this->calculatePixelsForAlign($height, $cropHeight, $verticalAlign);
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$destPath = $this->destPath($srcPath, $dbPath, $horizontalAlignPixels[1], $verticalAlignPixels[1]);
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$croppedImage = imagecrop($image, [
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'x' => $horizontalAlignPixels[0],
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'y' => $verticalAlignPixels[0],
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'width' => $horizontalAlignPixels[1],
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'height' => $verticalAlignPixels[1],
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]);
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if ($croppedImage !== false) {
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$saveMethod($croppedImage, $destPath[0], $quality);
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imagedestroy($croppedImage);
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appSuccess(
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self::$counter++ . ". cropped successfully from $width x $height: " . basename($destPath[0]) . " saved"
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);
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}
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imagedestroy($image);
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if (File::delete($srcPath) === false) {
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$e = new RuntimeException("could not delete image: $srcPath");
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appWarning($e);
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return $dbPath;
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}
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return $destPath[1];
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}
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/**
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* @param string $srcPath
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*
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* @return false|array
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*/
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private function imageResource(string $srcPath): false|array
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{
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return match (mime_content_type($srcPath)) {
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'image/jpeg' => [imagecreatefromjpeg($srcPath), 'imagejpeg', 84],
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'image/png' => [imagecreatefrompng($srcPath), 'imagepng', 7],
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'image/gif' => [imagecreatefromgif($srcPath), 'imagegif', null],
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default => false,
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};
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}
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/**
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* @param string $srcPath
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* @param string $dbPath
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* @param int $width
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* @param int $height
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*
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* @return string[]
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*/
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private function destPath(string $srcPath, string $dbPath, int $width, int $height): array
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{
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$pi = pathinfo($srcPath);
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$fs_path = sprintf(
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"%s\%s-%dx%d.%s",
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$pi['dirname'],
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$pi['filename'],
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$width,
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$height,
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$pi['extension']
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);
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$db_path = sprintf(
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"%s/%s-%dx%d.%s",
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dirname($dbPath),
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$pi['filename'],
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$width,
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$height,
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$pi['extension']
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);
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return [$fs_path, $db_path];
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}
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/**
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* @param int $imageSize
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* @param int $cropSize
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* @param string $align
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*
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* @return array|int[]
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*/
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private function calculatePixelsForAlign(int $imageSize, int $cropSize, string $align): array
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{
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return match ($align) {
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'left', 'top' => [0, min($cropSize, $imageSize)],
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'right', 'bottom' => [max(0, $imageSize - $cropSize), min($cropSize, $imageSize)],
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'center', 'middle' => [
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max(0, floor(($imageSize / 2) - ($cropSize / 2))),
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min($cropSize, $imageSize),
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],
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default => [0, $imageSize],
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};
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}
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}
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