diff --git a/wp-includes/media.php b/wp-includes/media.php index 62f151b3aa..9e68829e87 100644 --- a/wp-includes/media.php +++ b/wp-includes/media.php @@ -379,31 +379,12 @@ function image_resize( $file, $max_w, $max_h, $crop = false, $suffix = null, $de if ( !imagegif( $newimage, $destfilename ) ) return new WP_Error('resize_path_invalid', __( 'Resize path invalid' )); } elseif ( IMAGETYPE_PNG == $orig_type ) { - if (!imagepng( $newimage, $destfilename ) ) + if ( !imagepng( $newimage, $destfilename ) ) return new WP_Error('resize_path_invalid', __( 'Resize path invalid' )); } else { - $rotated = false; - if ( IMAGETYPE_JPEG == $orig_type && function_exists('exif_read_data') ) { - // rotate if EXIF 'Orientation' is set - $exif = exif_read_data($file, null, true); - if ( $exif && isset($exif['IFD0']) && is_array($exif['IFD0']) && isset($exif['IFD0']['Orientation']) ) { - if ( 6 == $exif['IFD0']['Orientation'] ) - $rotated = rotate_image($newimage, 90); - elseif ( 8 == $exif['IFD0']['Orientation'] ) - $rotated = rotate_image($newimage, 270); - } - } - // all other formats are converted to jpg $destfilename = "{$dir}/{$name}-{$suffix}.jpg"; - if ( $rotated ) { - $return = imagejpeg( $rotated, $destfilename, apply_filters( 'jpeg_quality', $jpeg_quality, 'image_resize' ) ); - imagedestroy($rotated); - } else { - $return = imagejpeg( $newimage, $destfilename, apply_filters( 'jpeg_quality', $jpeg_quality, 'image_resize' ) ); - } - - if ( !$return ) + if ( !imagejpeg( $newimage, $destfilename, apply_filters( 'jpeg_quality', $jpeg_quality, 'image_resize' ) ) ) return new WP_Error('resize_path_invalid', __( 'Resize path invalid' )); } @@ -835,101 +816,3 @@ function get_attachment_taxonomies($attachment) { return array_unique($taxonomies); } - -/** - * Rotate an image. - * - * @since 2.9.0 - * - * @param resource $src_img GD image handle of source image. - * @param $angle int clockwise angle of rotation, only 90, 180 and 270 are supported. - * @param $keep_transparency bool preserve transparency. - * @return mixed GD image handle of rotated image or false on error. - */ -function rotate_image( $src_img, $angle, $keep_transparency = false ) { - - if ( function_exists('imagerotate') ) - return imagerotate($src_img, 360 - $angle, 0); // imagerotate() rotates CCW - - if ( 180 == $angle ) - return flip_image( $src_img, 'both', $keep_transparency ); - - $width = imagesx( $src_img ); - $height = imagesy( $src_img ); - - $dest_img = imagecreatetruecolor( $height, $width ); - if ( $keep_transparency ) { - imagealphablending($dest_img, false); - imagesavealpha($dest_img, true); - } - - if ( 90 == $angle ) { - for( $x = 0; $x < $width; $x++ ) { - for( $y = 0; $y < $height; $y++ ) { - if ( !imagecopy($dest_img, $src_img, $height - $y - 1, $x, $x, $y, 1, 1) ) - return false; - } - } - } elseif ( 270 == $angle ) { - for( $x = 0; $x < $width; $x++ ) { - for( $y = 0; $y < $height; $y++ ) { - if ( !imagecopy($dest_img, $src_img, $y, $width - $x - 1, $x, $y, 1, 1) ) - return false; - } - } - } else { - return false; - } - - return $dest_img; -} - -/** - * Flip an image. - * - * @since 2.9.0 - * - * @param resource $src_img GD image handle of source image. - * @param $mode string 'horizontal', 'vertical' or 'both'. - * @param $keep_transparency bool preserve transparency. - * @return mixed GD image handle of flipped image or false on error. - */ -function flip_image( $src_img, $mode, $keep_transparency = false ) { - - $width = $src_width = imagesx( $src_img ); - $height = $src_height = imagesy( $src_img ); - $src_x = $src_y = 0; - - switch ( $mode ) { - case 'vertical': - $src_y = $height -1; - $src_height = -$height; - break; - case 'horizontal': - $src_x = $width -1; - $src_width = -$width; - break; - case 'both': - if ( function_exists('imagerotate') ) - return imagerotate($src_img, 180, 0); - - $src_x = $width -1; - $src_y = $height -1; - $src_width = -$width; - $src_height = -$height; - break; - default: - return false; - } - - $dest_img = imagecreatetruecolor( $width, $height ); - if ( $keep_transparency ) { - imagealphablending($dest_img, false); - imagesavealpha($dest_img, true); - } - - if ( imagecopyresampled( $dest_img, $src_img, 0, 0, $src_x, $src_y , $width, $height, $src_width, $src_height ) ) - return $dest_img; - - return false; -}