Followup cf5f641: pass $params by reference again
[lhc/web/wiklou.git] / includes / media / TransformationalImageHandler.php
index 3e3be3d..fd8d81d 100644 (file)
@@ -61,29 +61,6 @@ abstract class TransformationalImageHandler extends ImageHandler {
                        }
                }
 
-               # Check if the file is smaller than the maximum image area for thumbnailing
-               # For historical reasons, hook starts with BitmapHandler
-               $checkImageAreaHookResult = null;
-               wfRunHooks(
-                       'BitmapHandlerCheckImageArea',
-                       array( $image, &$params, &$checkImageAreaHookResult )
-               );
-
-               if ( is_null( $checkImageAreaHookResult ) ) {
-                       global $wgMaxImageArea;
-
-                       if ( $srcWidth * $srcHeight > $wgMaxImageArea
-                               && !( $image->getMimeType() == 'image/jpeg'
-                                       && $this->getScalerType( false, false ) == 'im' )
-                       ) {
-                               # Only ImageMagick can efficiently downsize jpg images without loading
-                               # the entire file in memory
-                               return false;
-                       }
-               } else {
-                       return $checkImageAreaHookResult;
-               }
-
                return true;
        }
 
@@ -190,6 +167,11 @@ abstract class TransformationalImageHandler extends ImageHandler {
                        return $this->getClientScalingThumbnailImage( $image, $scalerParams );
                }
 
+               if ( !$this->isImageAreaOkForThumbnaling( $image, $params ) ) {
+                       global $wgMaxImageArea;
+                       return new TransformTooBigImageAreaError( $params, $wgMaxImageArea );
+               }
+
                if ( $flags & self::TRANSFORM_LATER ) {
                        wfDebug( __METHOD__ . ": Transforming later per flags.\n" );
                        $newParams = array(
@@ -216,6 +198,12 @@ abstract class TransformationalImageHandler extends ImageHandler {
                # Transform functions and binaries need a FS source file
                $thumbnailSource = $this->getThumbnailSource( $image, $params );
 
+               // If the source isn't the original, disable EXIF rotation because it's already been applied
+               if ( $scalerParams['srcWidth'] != $thumbnailSource['width']
+                       || $scalerParams['srcHeight'] != $thumbnailSource['height'] ) {
+                       $scalerParams['disableRotation'] = true;
+               }
+
                $scalerParams['srcPath'] = $thumbnailSource['path'];
                $scalerParams['srcWidth'] = $thumbnailSource['width'];
                $scalerParams['srcHeight'] = $thumbnailSource['height'];
@@ -234,7 +222,7 @@ abstract class TransformationalImageHandler extends ImageHandler {
                # Try a hook. Called "Bitmap" for historical reasons.
                /** @var $mto MediaTransformOutput */
                $mto = null;
-               wfRunHooks( 'BitmapHandlerTransform', array( $this, $image, &$scalerParams, &$mto ) );
+               Hooks::run( 'BitmapHandlerTransform', array( $this, $image, &$scalerParams, &$mto ) );
                if ( !is_null( $mto ) ) {
                        wfDebug( __METHOD__ . ": Hook to BitmapHandlerTransform created an mto\n" );
                        $scaler = 'hookaborted';
@@ -590,4 +578,43 @@ abstract class TransformationalImageHandler extends ImageHandler {
        public function mustRender( $file ) {
                return $this->canRotate() && $this->getRotation( $file ) != 0;
        }
+
+       /**
+        * Check if the file is smaller than the maximum image area for thumbnailing.
+        *
+        * Runs the 'BitmapHandlerCheckImageArea' hook.
+        *
+        * @param File $file
+        * @param array $params
+        * @return bool
+        * @since 1.25
+        */
+       public function isImageAreaOkForThumbnaling( $file, &$params ) {
+               global $wgMaxImageArea;
+
+               # For historical reasons, hook starts with BitmapHandler
+               $checkImageAreaHookResult = null;
+               Hooks::run(
+                       'BitmapHandlerCheckImageArea',
+                       array( $file, &$params, &$checkImageAreaHookResult )
+               );
+
+               if ( !is_null( $checkImageAreaHookResult ) ) {
+                       // was set by hook, so return that value
+                       return (bool)$checkImageAreaHookResult;
+               }
+
+               $srcWidth = $file->getWidth( $params['page'] );
+               $srcHeight = $file->getHeight( $params['page'] );
+
+               if ( $srcWidth * $srcHeight > $wgMaxImageArea
+                       && !( $file->getMimeType() == 'image/jpeg'
+                               && $this->getScalerType( false, false ) == 'im' )
+               ) {
+                       # Only ImageMagick can efficiently downsize jpg images without loading
+                       # the entire file in memory
+                       return false;
+               }
+               return true;
+       }
 }