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add resize function incl. docblock

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This commit is contained in:
Dennis Eichhorn 2022-12-24 23:57:26 +01:00
parent 3d26dc8fdd
commit 88938b7fd1
1 changed files with 62 additions and 0 deletions
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62
Utils/ImageUtils.php
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@ -97,4 +97,66 @@ final class ImageUtils
return $lStar / 100.0;
}
/**
* Resize image file
*
* @param string $srcPath Source path
* @param string $dstPath Destination path
* @param int $width New width
* @param int $height New image width
* @param bool $crop Crop image
*
* @return void
* @since 1.0.0
*/
public static function resize(string $srcPath, string $dstPath, int $width, int $height, bool $crop = false) : void
{
/** @var array $imageDim */
$imageDim = \getimagesize($srcPath);
if (($imageDim[0] ?? -1) >= $width && ($imageDim[1] ?? -1) >= $height) {
return;
}
$ratio = $imageDim[0] / $imageDim[1];
if ($crop) {
if ($imageDim[0] > $imageDim[1]) {
$imageDim[0] = (int) \ceil($imageDim[0] - ($imageDim[0] * \abs($ratio - $width / $height)));
} else {
$imageDim[1] = (int) \ceil($imageDim[1] - ($imageDim[1] * \abs($ratio - $width / $height)));
}
} else {
if ($width / $height > $ratio) {
$width = (int) ($height * $ratio);
} else {
$height = (int) ($width / $ratio);
}
}
$src = null;
if (\stripos($srcPath, '.jpg') !== false || \stripos($srcPath, '.jpeg') !== false) {
$src = \imagecreatefromjpeg($srcPath);
} elseif (\stripos($srcPath, '.png') !== false) {
$src = \imagecreatefrompng($srcPath);
} elseif (\stripos($srcPath, '.gif') !== false) {
$src = \imagecreatefromgif($srcPath);
}
$dst = \imagecreatetruecolor($width, $height);
if ($src === null || $src === false || $dst === null || $dst === false) {
throw new \InvalidArgumentException();
}
\imagecopyresampled($dst, $src, 0, 0, 0, 0, $width, $height, $imageDim[0], $imageDim[1]);
if (\stripos($srcPath, '.jpg') || \stripos($srcPath, '.jpeg')) {
\imagejpeg($dst, $dstPath);
} elseif (\stripos($srcPath, '.png')) {
\imagepng($dst, $dstPath);
} elseif (\stripos($srcPath, '.gif')) {
\imagegif($dst, $dstPath);
}
}
}