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GdMediaHandler.php: bring in orientation detection, reducing abstraction by 1 layer

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This commit is contained in:
Zankaria 2025-03-25 22:06:35 +01:00
parent 7145742d8a
commit 8b6e2f5434
1 changed files with 16 additions and 11 deletions
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27
inc/Service/Media/GdMediaHandler.php
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@ -13,7 +13,7 @@ class GdMediaHandler implements MediaHandler {
private bool $strip_redraw;
private ImageMetadataReader $image_metadata_reader;
private array $exif_readers;
private static function imageCreateFrom(string $file, string $mime): mixed {
@ -74,6 +74,14 @@ class GdMediaHandler implements MediaHandler {
return $gd;
}
private function getOrientation(string $file_path, string $file_mime): ?int {
$exif_reader = $this->exif_readers[$file_mime] ?? null;
if ($exif_reader !== null) {
return $exif_reader->getOrientation($file_path);
}
return null;
}
private function generateThumbImpl(
mixed $gd,
string $source_file_path,
@ -134,10 +142,11 @@ class GdMediaHandler implements MediaHandler {
/**
* @param bool $strip_redraw If the EXIF metadata should be stripped by redrawing it.
* May cause the loss of color profiles. Orientation is still handled in JPG and PNG.
* @param array $exif_readers A map of mime types to {@link Vichan\Data\Driver\Metadata\ExifReader} instances.
*/
public function __construct(bool $strip_redraw, ImageMetadataReader $image_metadata_reader) {
public function __construct(bool $strip_redraw, array $exif_readers) {
$this->strip_redraw = $strip_redraw;
$this->image_metadata_reader = $image_metadata_reader;
$this->exif_readers = $exif_readers;
}
public function supportsMime(string $mime): bool {
@ -151,20 +160,16 @@ class GdMediaHandler implements MediaHandler {
}
public function openHandle(string $file_path, string $file_mime, int $file_kind): mixed {
$metadata = $this->image_metadata_reader->getMetadata($file_path);
if ($file_mime !== $file_mime) {
throw new \RuntimeException("Mime mismatch on '$file_path'");
}
$gd = self::imageCreateFrom($file_path, $file_mime);
if ($gd === false) {
throw new \RuntimeException("Could not open '$file_path'");
}
// Fix the orientation once and for all.
if ($metadata->exif_orientation !== null) {
$degrees = Exif::exifOrientationDegrees($metadata->exif_orientation);
$flipped = Exif::exifOrientationIsFlipped($metadata->exif_orientation);
$exif_orientation = $this->getOrientation($file_path, $file_mime);
if ($exif_orientation !== null) {
$degrees = Exif::exifOrientationDegrees($exif_orientation);
$flipped = Exif::exifOrientationIsFlipped($exif_orientation);
if ($degrees !== 0) {
self::enableTransparency($gd, $file_mime);