forked from leftypol/leftypol
26 lines
948 B
PHP
26 lines
948 B
PHP
<?php
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namespace Vichan\Service\Media;
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/**
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* Do not use this if you can.
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*
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* Some formats may contain no image or may contain multiple images. In these cases, getimagesize() might not be
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* able to properly determine the image size. getimagesize() will return zero for width and height in these cases.
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*
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* getimagesize() is agnostic of any image metadata.
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* If e.g. the Exif Orientation flag is set to a value which rotates the image by 90 or 270 degress, index 0 and 1
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* are swapped, i.e. the contain the height and width, respectively.
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*/
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class DefaultImageFormatReader implements ImageFormatReader {
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public function getSizes(string $file_path): array {
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$ret = \getimagesize($file_path, $info);
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if ($ret === false) {
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throw new \RuntimeException("Could not read image sizes of '$file_path'");
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}
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if ($ret[2] == \IMAGETYPE_UNKNOWN) {
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throw new \RuntimeException("Error '$file_path' is not an image");
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}
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return $ret;
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}
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}
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