From d4159bf041723232992945fc7333af21d006e4a9 Mon Sep 17 00:00:00 2001
From: Ryan Boren <ryan@boren.nu>
Date: Tue, 27 Nov 2012 14:36:55 +0000
Subject: [PATCH] In wp_image_editor(), use wp_image_editor_supports() to check
 for rotation capabilities rather than directly checking the existence of the
 imagerotate function.

In WP_Image_Editor_GD::test(), check for existence of imagerotate if the rotate capability is required.

Props DH-Shredder
fixes #22597


git-svn-id: http://core.svn.wordpress.org/trunk@22863 1a063a9b-81f0-0310-95a4-ce76da25c4cd
---
 wp-admin/includes/image-edit.php         | 8 ++++----
 wp-includes/class-wp-image-editor-gd.php | 8 ++++++++
 2 files changed, 12 insertions(+), 4 deletions(-)

diff --git a/wp-admin/includes/image-edit.php b/wp-admin/includes/image-edit.php
index 55d590278a..5c3c851540 100644
--- a/wp-admin/includes/image-edit.php
+++ b/wp-admin/includes/image-edit.php
@@ -40,14 +40,14 @@ function wp_image_editor($post_id, $msg = false) {
 		<div onclick="imageEdit.crop(<?php echo "$post_id, '$nonce'"; ?>, this)" class="imgedit-crop disabled" title="<?php esc_attr_e( 'Crop' ); ?>"></div><?php
 
 	// On some setups GD library does not provide imagerotate() - Ticket #11536
-	if ( function_exists('imagerotate') ) { ?>
+	if ( wp_image_editor_supports( array( 'mime_type' => get_post_mime_type( $post_id ), 'methods' => array( 'rotate' ) ) ) ) { ?>
 		<div class="imgedit-rleft"  onclick="imageEdit.rotate( 90, <?php echo "$post_id, '$nonce'"; ?>, this)" title="<?php esc_attr_e( 'Rotate counter-clockwise' ); ?>"></div>
 		<div class="imgedit-rright" onclick="imageEdit.rotate(-90, <?php echo "$post_id, '$nonce'"; ?>, this)" title="<?php esc_attr_e( 'Rotate clockwise' ); ?>"></div>
 <?php } else {
-		$note_gdlib = esc_attr__('Image rotation is not supported by your web host (function imagerotate() is missing)');
+		$note_no_rotate = esc_attr__('Image rotation is not supported by your web host.');
 ?>
-	    <div class="imgedit-rleft disabled"  title="<?php echo $note_gdlib; ?>"></div>
-	    <div class="imgedit-rright disabled" title="<?php echo $note_gdlib; ?>"></div>
+	    <div class="imgedit-rleft disabled"  title="<?php echo $note_no_rotate; ?>"></div>
+	    <div class="imgedit-rright disabled" title="<?php echo $note_no_rotate; ?>"></div>
 <?php } ?>
 
 		<div onclick="imageEdit.flip(1, <?php echo "$post_id, '$nonce'"; ?>, this)" class="imgedit-flipv" title="<?php esc_attr_e( 'Flip vertically' ); ?>"></div>
diff --git a/wp-includes/class-wp-image-editor-gd.php b/wp-includes/class-wp-image-editor-gd.php
index 8a5d846d35..92dd28767a 100644
--- a/wp-includes/class-wp-image-editor-gd.php
+++ b/wp-includes/class-wp-image-editor-gd.php
@@ -37,6 +37,14 @@ class WP_Image_Editor_GD extends WP_Image_Editor {
 		if ( ! extension_loaded('gd') || ! function_exists('gd_info') )
 			return false;
 
+		// On some setups GD library does not provide imagerotate() - Ticket #11536
+		if ( isset( $args['methods'] ) &&
+			 in_array( 'rotate', $args['methods'] ) &&
+			 ! function_exists('imagerotate') ){
+
+				return false;
+		}
+
 		return true;
 	}