From 84422e6d7d1bc30325332259bedbbefed7ce730a Mon Sep 17 00:00:00 2001
From: Sergey Biryukov <sergeybiryukov.ru@gmail.com>
Date: Tue, 27 May 2014 13:25:14 +0000
Subject: [PATCH] Add BMP to the list of displayable image types.

props ericlewis.
fixes #26808.
Built from https://develop.svn.wordpress.org/trunk@28589


git-svn-id: http://core.svn.wordpress.org/trunk@28414 1a063a9b-81f0-0310-95a4-ce76da25c4cd
---
 wp-admin/includes/image.php | 11 +++++++----
 1 file changed, 7 insertions(+), 4 deletions(-)

diff --git a/wp-admin/includes/image.php b/wp-admin/includes/image.php
index 750d22ae64..7203baecd6 100644
--- a/wp-admin/includes/image.php
+++ b/wp-admin/includes/image.php
@@ -413,13 +413,16 @@ function file_is_valid_image($path) {
  * @return bool True if suitable, false if not suitable.
  */
 function file_is_displayable_image($path) {
-	$info = @getimagesize($path);
-	if ( empty($info) )
+	$displayable_image_types = array( IMAGETYPE_GIF, IMAGETYPE_JPEG, IMAGETYPE_PNG, IMAGETYPE_BMP );
+
+	$info = @getimagesize( $path );
+	if ( empty( $info ) ) {
 		$result = false;
-	elseif ( !in_array($info[2], array(IMAGETYPE_GIF, IMAGETYPE_JPEG, IMAGETYPE_PNG)) )	// only gif, jpeg and png images can reliably be displayed
+	} elseif ( ! in_array( $info[2], $displayable_image_types ) ) {
 		$result = false;
-	else
+	} else {
 		$result = true;
+	}
 
 	/**
 	 * Filter whether the current image is displayable in the browser.