* @uses WP_Image_Editor Extends class
*/
class WP_Image_Editor_GD extends WP_Image_Editor {
-
- protected $image = false; // GD Resource
+ /**
+ * GD Resource.
+ *
+ * @access protected
+ * @var resource
+ */
+ protected $image;
public function __destruct() {
if ( $this->image ) {
* Checks to see if current environment supports GD.
*
* @since 3.5.0
+ *
+ * @static
* @access public
*
- * @return boolean
+ * @param array $args
+ * @return bool
*/
public static function test( $args = array() ) {
if ( ! extension_loaded('gd') || ! function_exists('gd_info') )
* Checks to see if editor supports the mime-type specified.
*
* @since 3.5.0
+ *
+ * @static
* @access public
*
* @param string $mime_type
- * @return boolean
+ * @return bool
*/
public static function supports_mime_type( $mime_type ) {
$image_types = imagetypes();
* @since 3.5.0
* @access protected
*
- * @return boolean|WP_Error True if loaded successfully; WP_Error on failure.
+ * @return bool|WP_Error True if loaded successfully; WP_Error on failure.
*/
public function load() {
if ( $this->image )
$this->update_size( $size[0], $size[1] );
$this->mime_type = $size['mime'];
- return true;
+ return $this->set_quality();
}
/**
*
* @param int $width
* @param int $height
+ * @return true
*/
protected function update_size( $width = false, $height = false ) {
if ( ! $width )
*
* @param int|null $max_w Image width.
* @param int|null $max_h Image height.
- * @param boolean $crop
- * @return boolean|WP_Error
+ * @param bool $crop
+ * @return true|WP_Error
*/
public function resize( $max_w, $max_h, $crop = false ) {
if ( ( $this->size['width'] == $max_w ) && ( $this->size['height'] == $max_h ) )
return new WP_Error( 'image_resize_error', __('Image resize failed.'), $this->file );
}
+ /**
+ *
+ * @param int $max_w
+ * @param int $max_h
+ * @param bool|array $crop
+ * @return resource|WP_Error
+ */
protected function _resize( $max_w, $max_h, $crop = false ) {
$dims = image_resize_dimensions( $this->size['width'], $this->size['height'], $max_w, $max_h, $crop );
if ( ! $dims ) {
* @access public
*
* @param array $sizes {
- * An array of image size arrays. Default sizes are 'small', 'medium', 'large'.
+ * An array of image size arrays. Default sizes are 'small', 'medium', 'medium_large', 'large'.
*
* Either a height or width must be provided.
* If one of the two is set to null, the resize will
* maintain aspect ratio according to the provided dimension.
*
* @type array $size {
- * @type int ['width'] Optional. Image width.
- * @type int ['height'] Optional. Image height.
- * @type bool ['crop'] Optional. Whether to crop the image. Default false.
+ * Array of height, width values, and whether to crop.
+ *
+ * @type int $width Image width. Optional if `$height` is specified.
+ * @type int $height Image height. Optional if `$width` is specified.
+ * @type bool $crop Optional. Whether to crop the image. Default false.
* }
* }
* @return array An array of resized images' metadata by size.
}
$image = $this->_resize( $size_data['width'], $size_data['height'], $size_data['crop'] );
+ $duplicate = ( ( $orig_size['width'] == $size_data['width'] ) && ( $orig_size['height'] == $size_data['height'] ) );
- if( ! is_wp_error( $image ) ) {
+ if ( ! is_wp_error( $image ) && ! $duplicate ) {
$resized = $this->_save( $image );
imagedestroy( $image );
* @since 3.5.0
* @access public
*
- * @param string|int $src The source file or Attachment ID.
- * @param int $src_x The start x position to crop from.
- * @param int $src_y The start y position to crop from.
- * @param int $src_w The width to crop.
- * @param int $src_h The height to crop.
- * @param int $dst_w Optional. The destination width.
- * @param int $dst_h Optional. The destination height.
- * @param boolean $src_abs Optional. If the source crop points are absolute.
- * @return boolean|WP_Error
+ * @param int $src_x The start x position to crop from.
+ * @param int $src_y The start y position to crop from.
+ * @param int $src_w The width to crop.
+ * @param int $src_h The height to crop.
+ * @param int $dst_w Optional. The destination width.
+ * @param int $dst_h Optional. The destination height.
+ * @param bool $src_abs Optional. If the source crop points are absolute.
+ * @return bool|WP_Error
*/
public function crop( $src_x, $src_y, $src_w, $src_h, $dst_w = null, $dst_h = null, $src_abs = false ) {
// If destination width/height isn't specified, use same as
* @access public
*
* @param float $angle
- * @return boolean|WP_Error
+ * @return true|WP_Error
*/
public function rotate( $angle ) {
if ( function_exists('imagerotate') ) {
- $rotated = imagerotate( $this->image, $angle, 0 );
+ $transparency = imagecolorallocatealpha( $this->image, 255, 255, 255, 127 );
+ $rotated = imagerotate( $this->image, $angle, $transparency );
if ( is_resource( $rotated ) ) {
+ imagealphablending( $rotated, true );
+ imagesavealpha( $rotated, true );
imagedestroy( $this->image );
$this->image = $rotated;
$this->update_size();
* @since 3.5.0
* @access public
*
- * @param boolean $horz Flip along Horizontal Axis
- * @param boolean $vert Flip along Vertical Axis
- * @returns boolean|WP_Error
+ * @param bool $horz Flip along Horizontal Axis
+ * @param bool $vert Flip along Vertical Axis
+ * @return true|WP_Error
*/
public function flip( $horz, $vert ) {
$w = $this->size['width'];
* @since 3.5.0
* @access public
*
- * @param string $destfilename
- * @param string $mime_type
+ * @param string|null $filename
+ * @param string|null $mime_type
* @return array|WP_Error {'path'=>string, 'file'=>string, 'width'=>int, 'height'=>int, 'mime-type'=>string}
*/
public function save( $filename = null, $mime_type = null ) {
return $saved;
}
+ /**
+ * @param resource $image
+ * @param string|null $filename
+ * @param string|null $mime_type
+ * @return WP_Error|array
+ */
protected function _save( $image, $filename = null, $mime_type = null ) {
list( $filename, $extension, $mime_type ) = $this->get_output_format( $filename, $mime_type );
* @access public
*
* @param string $mime_type
+ * @return bool
*/
public function stream( $mime_type = null ) {
list( $filename, $extension, $mime_type ) = $this->get_output_format( null, $mime_type );
* @param string|stream $filename
* @param callable $function
* @param array $arguments
- * @return boolean
+ * @return bool
*/
protected function make_image( $filename, $function, $arguments ) {
if ( wp_is_stream( $filename ) )
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