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<title>[46834] Upload: Exclude PNG images from scaling after uploading.</title>
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<dt style="float: left; width: 6em; font-weight: bold">Revision</dt> <dd><a style="font-weight: bold" href="https://core.trac.wordpress.org/changeset/46834">46834</a><script type="application/ld+json">{"@context":"http://schema.org","@type":"EmailMessage","description":"Review this Commit","action":{"@type":"ViewAction","url":"https://core.trac.wordpress.org/changeset/46834","name":"Review Commit"}}</script></dd>
<dt style="float: left; width: 6em; font-weight: bold">Author</dt> <dd>SergeyBiryukov</dd>
<dt style="float: left; width: 6em; font-weight: bold">Date</dt> <dd>2019-12-09 12:02:12 +0000 (Mon, 09 Dec 2019)</dd>
</dl>
<pre style='padding-left: 1em; margin: 2em 0; border-left: 2px solid #ccc; line-height: 1.25; font-size: 105%; font-family: sans-serif'>Upload: Exclude PNG images from scaling after uploading. Fixes a case where resizing a very large PNG may create a scaled image that has smaller dimensions but larger file size than the original.
Props azaozz.
Merges <a href="https://core.trac.wordpress.org/changeset/46809">[46809]</a> to the 5.3 branch.
Fixes <a href="https://core.trac.wordpress.org/ticket/48736">#48736</a>.</pre>
<h3>Modified Paths</h3>
<ul>
<li><a href="#branches53srcwpadminincludesimagephp">branches/5.3/src/wp-admin/includes/image.php</a></li>
</ul>
<h3>Property Changed</h3>
<ul>
<li><a href="#branches53">branches/5.3/</a></li>
</ul>
</div>
<div id="patch">
<h3>Diff</h3>
<span class="cx" style="display: block; padding: 0 10px">Index: branches/5.3
</span><span class="cx" style="display: block; padding: 0 10px">===================================================================
</span><del style="background-color: #fdd; text-decoration:none; display:block; padding: 0 10px">--- branches/5.3 2019-12-09 11:49:15 UTC (rev 46833)
</del><ins style="background-color: #dfd; text-decoration:none; display:block; padding: 0 10px">+++ branches/5.3 2019-12-09 12:02:12 UTC (rev 46834)
</ins><a id="branches53"></a>
<div class="propset"><h4 style="background-color: #eee; color: inherit; margin: 1em 0; padding: 1.3em; font-size: 115%">Property changes: branches/5.3</h4>
<pre class="diff"><span>
</span></pre></div>
<a id="svnmergeinfo"></a>
<div class="modfile"><h4 style="background-color: #eee; color: inherit; margin: 1em 0; padding: 1.3em; font-size: 115%">Modified: svn:mergeinfo</h4></div>
<span class="cx" style="display: block; padding: 0 10px"> /branches/3.4:21757
</span><span class="cx" style="display: block; padding: 0 10px"> /branches/4.9:43557,43622
</span><span class="cx" style="display: block; padding: 0 10px"> /branches/5.0:43681-43682,43684-43688,43719-43720,43723,43726-43727,43729-43731,43734-43744,43747,43751-43754,43758,43760-43765,43767-43770,43772,43774-43781,43783,43785,43790-43806,43808-43821,43825,43828,43830-43834,43836-43843,43846-43863,43867-43889,43891-43894,43897-43905,43908-43909,43911-43929,43931-43942,43946-43947,43949-43956,43959-43964,43967-43969,43988,43994,44014,44017,44047,44183,44185,44187-44206,44208-44213,44231-44232,44235,44248,44284,44287-44288
</span><del style="background-color: #fdd; text-decoration:none; display:block; padding: 0 10px">-/trunk:46583,46605-46606,46613,46616,46656,46658,46665,46668,46676-46677,46700-46703,46705,46707,46709,46711,46713,46715,46719-46720,46722,46724,46738,46745-46748,46753,46756-46758,46761-46762,46765,46770,46772,46779,46782,46786,46788,46793,46795,46797,46815,46817,46824,46832
</del><span class="cx" style="display: block; padding: 0 10px">\ No newline at end of property
</span><ins style="background-color: #dfd; text-decoration:none; display:block; padding: 0 10px">+/trunk:46583,46605-46606,46613,46616,46656,46658,46665,46668,46676-46677,46700-46703,46705,46707,46709,46711,46713,46715,46719-46720,46722,46724,46738,46745-46748,46753,46756-46758,46761-46762,46765,46770,46772,46779,46782,46786,46788,46793,46795,46797,46809,46815,46817,46824,46832
</ins><span class="cx" style="display: block; padding: 0 10px">\ No newline at end of property
</span><a id="branches53srcwpadminincludesimagephp"></a>
<div class="modfile"><h4 style="background-color: #eee; color: inherit; margin: 1em 0; padding: 1.3em; font-size: 115%">Modified: branches/5.3/src/wp-admin/includes/image.php</h4>
<pre class="diff"><span>
<span class="info" style="display: block; padding: 0 10px; color: #888">--- branches/5.3/src/wp-admin/includes/image.php 2019-12-09 11:49:15 UTC (rev 46833)
+++ branches/5.3/src/wp-admin/includes/image.php 2019-12-09 12:02:12 UTC (rev 46834)
</span><span class="lines" style="display: block; padding: 0 10px; color: #888">@@ -244,88 +244,97 @@
</span><span class="cx" style="display: block; padding: 0 10px"> $image_meta['image_meta'] = $exif_meta;
</span><span class="cx" style="display: block; padding: 0 10px"> }
</span><span class="cx" style="display: block; padding: 0 10px">
</span><del style="background-color: #fdd; text-decoration:none; display:block; padding: 0 10px">- /**
- * Filters the "BIG image" threshold value.
- *
- * If the original image width or height is above the threshold, it will be scaled down. The threshold is
- * used as max width and max height. The scaled down image will be used as the largest available size, including
- * the `_wp_attached_file` post meta value.
- *
- * Returning `false` from the filter callback will disable the scaling.
- *
- * @since 5.3.0
- *
- * @param int $threshold The threshold value in pixels. Default 2560.
- * @param array $imagesize Indexed array of the image width and height (in that order).
- * @param string $file Full path to the uploaded image file.
- * @param int $attachment_id Attachment post ID.
- */
- $threshold = (int) apply_filters( 'big_image_size_threshold', 2560, $imagesize, $file, $attachment_id );
</del><ins style="background-color: #dfd; text-decoration:none; display:block; padding: 0 10px">+ // Do not scale (large) PNG images. May result in sub-sizes that have greater file size than the original. See #48736.
+ if ( $imagesize['mime'] !== 'image/png' ) {
</ins><span class="cx" style="display: block; padding: 0 10px">
</span><del style="background-color: #fdd; text-decoration:none; display:block; padding: 0 10px">- // If the original image's dimensions are over the threshold, scale the image
- // and use it as the "full" size.
- if ( $threshold && ( $image_meta['width'] > $threshold || $image_meta['height'] > $threshold ) ) {
- $editor = wp_get_image_editor( $file );
</del><ins style="background-color: #dfd; text-decoration:none; display:block; padding: 0 10px">+ /**
+ * Filters the "BIG image" threshold value.
+ *
+ * If the original image width or height is above the threshold, it will be scaled down. The threshold is
+ * used as max width and max height. The scaled down image will be used as the largest available size, including
+ * the `_wp_attached_file` post meta value.
+ *
+ * Returning `false` from the filter callback will disable the scaling.
+ *
+ * @since 5.3.0
+ *
+ * @param int $threshold The threshold value in pixels. Default 2560.
+ * @param array $imagesize {
+ * Indexed array of the image width and height in pixels.
+ *
+ * @type int $0 The image width.
+ * @type int $1 The image height.
+ * }
+ * @param string $file Full path to the uploaded image file.
+ * @param int $attachment_id Attachment post ID.
+ */
+ $threshold = (int) apply_filters( 'big_image_size_threshold', 2560, $imagesize, $file, $attachment_id );
</ins><span class="cx" style="display: block; padding: 0 10px">
</span><del style="background-color: #fdd; text-decoration:none; display:block; padding: 0 10px">- if ( is_wp_error( $editor ) ) {
- // This image cannot be edited.
- return $image_meta;
- }
</del><ins style="background-color: #dfd; text-decoration:none; display:block; padding: 0 10px">+ // If the original image's dimensions are over the threshold, scale the image
+ // and use it as the "full" size.
+ if ( $threshold && ( $image_meta['width'] > $threshold || $image_meta['height'] > $threshold ) ) {
+ $editor = wp_get_image_editor( $file );
</ins><span class="cx" style="display: block; padding: 0 10px">
</span><del style="background-color: #fdd; text-decoration:none; display:block; padding: 0 10px">- // Resize the image
- $resized = $editor->resize( $threshold, $threshold );
- $rotated = null;
</del><ins style="background-color: #dfd; text-decoration:none; display:block; padding: 0 10px">+ if ( is_wp_error( $editor ) ) {
+ // This image cannot be edited.
+ return $image_meta;
+ }
</ins><span class="cx" style="display: block; padding: 0 10px">
</span><del style="background-color: #fdd; text-decoration:none; display:block; padding: 0 10px">- // If there is EXIF data, rotate according to EXIF Orientation.
- if ( ! is_wp_error( $resized ) && is_array( $exif_meta ) ) {
- $resized = $editor->maybe_exif_rotate();
- $rotated = $resized;
- }
</del><ins style="background-color: #dfd; text-decoration:none; display:block; padding: 0 10px">+ // Resize the image
+ $resized = $editor->resize( $threshold, $threshold );
+ $rotated = null;
</ins><span class="cx" style="display: block; padding: 0 10px">
</span><del style="background-color: #fdd; text-decoration:none; display:block; padding: 0 10px">- if ( ! is_wp_error( $resized ) ) {
- // Append "-scaled" to the image file name. It will look like "my_image-scaled.jpg".
- // This doesn't affect the sub-sizes names as they are generated from the original image (for best quality).
- $saved = $editor->save( $editor->generate_filename( 'scaled' ) );
</del><ins style="background-color: #dfd; text-decoration:none; display:block; padding: 0 10px">+ // If there is EXIF data, rotate according to EXIF Orientation.
+ if ( ! is_wp_error( $resized ) && is_array( $exif_meta ) ) {
+ $resized = $editor->maybe_exif_rotate();
+ $rotated = $resized;
+ }
</ins><span class="cx" style="display: block; padding: 0 10px">
</span><del style="background-color: #fdd; text-decoration:none; display:block; padding: 0 10px">- if ( ! is_wp_error( $saved ) ) {
- $image_meta = _wp_image_meta_replace_original( $saved, $file, $image_meta, $attachment_id );
</del><ins style="background-color: #dfd; text-decoration:none; display:block; padding: 0 10px">+ if ( ! is_wp_error( $resized ) ) {
+ // Append "-scaled" to the image file name. It will look like "my_image-scaled.jpg".
+ // This doesn't affect the sub-sizes names as they are generated from the original image (for best quality).
+ $saved = $editor->save( $editor->generate_filename( 'scaled' ) );
</ins><span class="cx" style="display: block; padding: 0 10px">
</span><del style="background-color: #fdd; text-decoration:none; display:block; padding: 0 10px">- // If the image was rotated update the stored EXIF data.
- if ( true === $rotated && ! empty( $image_meta['image_meta']['orientation'] ) ) {
- $image_meta['image_meta']['orientation'] = 1;
</del><ins style="background-color: #dfd; text-decoration:none; display:block; padding: 0 10px">+ if ( ! is_wp_error( $saved ) ) {
+ $image_meta = _wp_image_meta_replace_original( $saved, $file, $image_meta, $attachment_id );
+
+ // If the image was rotated update the stored EXIF data.
+ if ( true === $rotated && ! empty( $image_meta['image_meta']['orientation'] ) ) {
+ $image_meta['image_meta']['orientation'] = 1;
+ }
+ } else {
+ // TODO: log errors.
</ins><span class="cx" style="display: block; padding: 0 10px"> }
</span><span class="cx" style="display: block; padding: 0 10px"> } else {
</span><span class="cx" style="display: block; padding: 0 10px"> // TODO: log errors.
</span><span class="cx" style="display: block; padding: 0 10px"> }
</span><del style="background-color: #fdd; text-decoration:none; display:block; padding: 0 10px">- } else {
- // TODO: log errors.
- }
- } elseif ( ! empty( $exif_meta['orientation'] ) && (int) $exif_meta['orientation'] !== 1 ) {
- // Rotate the whole original image if there is EXIF data and "orientation" is not 1.
</del><ins style="background-color: #dfd; text-decoration:none; display:block; padding: 0 10px">+ } elseif ( ! empty( $exif_meta['orientation'] ) && (int) $exif_meta['orientation'] !== 1 ) {
+ // Rotate the whole original image if there is EXIF data and "orientation" is not 1.
</ins><span class="cx" style="display: block; padding: 0 10px">
</span><del style="background-color: #fdd; text-decoration:none; display:block; padding: 0 10px">- $editor = wp_get_image_editor( $file );
</del><ins style="background-color: #dfd; text-decoration:none; display:block; padding: 0 10px">+ $editor = wp_get_image_editor( $file );
</ins><span class="cx" style="display: block; padding: 0 10px">
</span><del style="background-color: #fdd; text-decoration:none; display:block; padding: 0 10px">- if ( is_wp_error( $editor ) ) {
- // This image cannot be edited.
- return $image_meta;
- }
</del><ins style="background-color: #dfd; text-decoration:none; display:block; padding: 0 10px">+ if ( is_wp_error( $editor ) ) {
+ // This image cannot be edited.
+ return $image_meta;
+ }
</ins><span class="cx" style="display: block; padding: 0 10px">
</span><del style="background-color: #fdd; text-decoration:none; display:block; padding: 0 10px">- // Rotate the image
- $rotated = $editor->maybe_exif_rotate();
</del><ins style="background-color: #dfd; text-decoration:none; display:block; padding: 0 10px">+ // Rotate the image
+ $rotated = $editor->maybe_exif_rotate();
</ins><span class="cx" style="display: block; padding: 0 10px">
</span><del style="background-color: #fdd; text-decoration:none; display:block; padding: 0 10px">- if ( true === $rotated ) {
- // Append `-rotated` to the image file name.
- $saved = $editor->save( $editor->generate_filename( 'rotated' ) );
</del><ins style="background-color: #dfd; text-decoration:none; display:block; padding: 0 10px">+ if ( true === $rotated ) {
+ // Append `-rotated` to the image file name.
+ $saved = $editor->save( $editor->generate_filename( 'rotated' ) );
</ins><span class="cx" style="display: block; padding: 0 10px">
</span><del style="background-color: #fdd; text-decoration:none; display:block; padding: 0 10px">- if ( ! is_wp_error( $saved ) ) {
- $image_meta = _wp_image_meta_replace_original( $saved, $file, $image_meta, $attachment_id );
</del><ins style="background-color: #dfd; text-decoration:none; display:block; padding: 0 10px">+ if ( ! is_wp_error( $saved ) ) {
+ $image_meta = _wp_image_meta_replace_original( $saved, $file, $image_meta, $attachment_id );
</ins><span class="cx" style="display: block; padding: 0 10px">
</span><del style="background-color: #fdd; text-decoration:none; display:block; padding: 0 10px">- // Update the stored EXIF data.
- if ( ! empty( $image_meta['image_meta']['orientation'] ) ) {
- $image_meta['image_meta']['orientation'] = 1;
</del><ins style="background-color: #dfd; text-decoration:none; display:block; padding: 0 10px">+ // Update the stored EXIF data.
+ if ( ! empty( $image_meta['image_meta']['orientation'] ) ) {
+ $image_meta['image_meta']['orientation'] = 1;
+ }
+ } else {
+ // TODO: log errors.
</ins><span class="cx" style="display: block; padding: 0 10px"> }
</span><del style="background-color: #fdd; text-decoration:none; display:block; padding: 0 10px">- } else {
- // TODO: log errors.
</del><span class="cx" style="display: block; padding: 0 10px"> }
</span><span class="cx" style="display: block; padding: 0 10px"> }
</span><span class="cx" style="display: block; padding: 0 10px"> }
</span><span class="lines" style="display: block; padding: 0 10px; color: #888">@@ -541,8 +550,8 @@
</span><span class="cx" style="display: block; padding: 0 10px"> *
</span><span class="cx" style="display: block; padding: 0 10px"> * @since 4.7.0
</span><span class="cx" style="display: block; padding: 0 10px"> *
</span><del style="background-color: #fdd; text-decoration:none; display:block; padding: 0 10px">- * @param array $fallback_sizes An array of image size names.
- * @param array $metadata Current attachment metadata.
</del><ins style="background-color: #dfd; text-decoration:none; display:block; padding: 0 10px">+ * @param string[] $fallback_sizes An array of image size names.
+ * @param array $metadata Current attachment metadata.
</ins><span class="cx" style="display: block; padding: 0 10px"> */
</span><span class="cx" style="display: block; padding: 0 10px"> $fallback_sizes = apply_filters( 'fallback_intermediate_image_sizes', $fallback_sizes, $metadata );
</span><span class="cx" style="display: block; padding: 0 10px">
</span></span></pre>
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