[BUGFIX] Ensure scaled width and height are used with noScale=1

If imgResource option `noScale = 1` [1] is configured,
the image itself is not scaled. However, the calculated
scaled width and height values needs to be used for the
`img` tag attributes `width` and `height`.

In that case, the orginal image is used instead of a
processed image, and the calculated values are discarded.

This change recalculates these values if `noScale = 1` is
requested to ensure that the scaled width and height values
are used correctly.

Example
-------

page.100 = IMAGE
page.100 {
  file = fileadmin/styleguide/bus_lane.jpg
  file.noScale = 1
  file.width = 240m
  file.height = 240m
  wrap = |<br>
}

[1] https://docs.typo3.org/m/typo3/reference-typoscript/main/en-us/Functions/Imgresource.html#noscale

Resolves: #100972
Releases: main, 12.4
Change-Id: Ib09e3e837225347ee2e2a9c9979b014d8fd2b850
Reviewed-on: https://review.typo3.org/c/Packages/TYPO3.CMS/+/81146
Reviewed-by: Stefan Bürk <stefan@buerk.tech>
Tested-by: Stefan Bürk <stefan@buerk.tech>
Tested-by: core-ci <typo3@b13.com>

typo3/sysext/core/Classes/Resource/Processing/LocalCropScaleMaskHelper.php

@@ -16,6 +16,7 @@
 namespace TYPO3\CMS\Core\Resource\Processing;
 
 use TYPO3\CMS\Core\Core\Environment;
+use TYPO3\CMS\Core\Imaging\GraphicalFunctions;
 use TYPO3\CMS\Core\Resource\FileInterface;
 use TYPO3\CMS\Core\Resource\ProcessedFile;
 use TYPO3\CMS\Core\Utility\GeneralUtility;
@@ -203,6 +204,28 @@ public function processWithLocalFile(TaskInterface $task, string $originalFileNa
             GeneralUtility::unlink_tempfile($croppedImage);
         }
 
+        // If noScale option is applied, we need to reset the width and height to ensure the scaled values
+        // are used for the generated image tag even if the image itself is not scaled. This is needed, as
+        // the result is discarded due to the fact that the original image is used.
+        // @see https://forge.typo3.org/issues/100972
+        // Note: This should only happen if no image has been generated ($result === null).
+        if ($result === null && ($options['noScale'] ?? false)) {
+            $imageOperations = GeneralUtility::makeInstance(GraphicalFunctions::class);
+            $configuration = $task->getConfiguration();
+            $localProcessedFile = $task->getSourceFile()->getForLocalProcessing(false);
+            $imageDimensions = $imageOperations->getImageDimensions($localProcessedFile);
+            $imageScaleInfo = $imageOperations->getImageScale(
+                $imageDimensions,
+                $configuration['width'] ?? '',
+                $configuration['height'] ?? '',
+                $options
+            );
+            $targetFile->updateProperties([
+                'width' => $imageScaleInfo[0],
+                'height' => $imageScaleInfo[1],
+            ]);
+        }
+
         return $result;
     }