%PDF-
%PDF-
Mini Shell
Mini Shell
<?php
/**
* Class and methods to integrate with the WP_Image_Editor_GD class and other extensions.
*
* @link https://ewww.io
* @package EWWW_Image_Optimizer
*/
if ( ! defined( 'ABSPATH' ) ) {
exit;
}
/**
* Extension of the WP_Image_Editor_GD class to auto-compress edited images.
*
* @see WP_Image_Editor_GD
*/
class EWWWIO_GD_Editor extends WP_Image_Editor_GD {
/**
* GD Resource.
*
* @access protected
* @var resource|GdImage $ewww_image
*/
protected $ewww_image;
/**
* Site (URL) for the plugin to use.
*
* @access protected
* @var string $site_url
*/
protected $modified = false;
/**
* Resizes current image.
*
* Requires width or height, crop is optional. Uses gifsicle to preserve GIF animations.
* Also use API in future for better quality resizing.
*
* @since 4.4.0
*
* @param int|null $max_w Image width.
* @param int|null $max_h Image height.
* @param bool $crop Optional. Scale by default, crop if true.
* @return bool|WP_Error
*/
protected function _resize( $max_w, $max_h, $crop = false ) {
ewwwio_debug_message( '<b>' . __METHOD__ . '()</b>' );
$dims = image_resize_dimensions( $this->size['width'], $this->size['height'], $max_w, $max_h, $crop );
if ( ! $dims ) {
return new WP_Error( 'error_getting_dimensions', __( 'Could not calculate resized image dimensions' ), $this->file ); // phpcs:ignore WordPress.WP.I18n.MissingArgDomain
}
list( $dst_x, $dst_y, $src_x, $src_y, $dst_w, $dst_h, $src_w, $src_h ) = $dims;
ewwwio_debug_message( "dst_x $dst_x, dst_y $dst_y, src_x $src_x, src_y $src_y, dst_w $dst_w, dst_h $dst_h, src_w $src_w, src_h $src_h" );
if ( defined( 'EWWWIO_EDITOR_AGR' ) && ! EWWWIO_EDITOR_AGR ) {
ewwwio_debug_message( 'AGR disabled' );
return parent::_resize( $max_w, $max_h, $crop );
}
if ( defined( 'EWWWIO_EDITOR_BETTER_RESIZE' ) && ! EWWW_IO_EDITOR_BETTER_RESIZE ) {
ewwwio_debug_message( 'API resize disabled' );
return parent::_resize( $max_w, $max_h, $crop );
}
$ewww_status = get_transient( 'ewww_image_optimizer_cloud_status' );
if ( 'image/gif' === $this->mime_type && ! ewww_image_optimizer_get_option( 'ewww_image_optimizer_cloud_key' ) ) {
$gifsicle_path = ewwwio()->local->get_path( 'gifsicle' );
}
// If this is a GIF, and we have no gifsicle, and there's an API key, but the status isn't 'great',
// double-check the key to see if the status has changed before bailing.
if (
'image/gif' === $this->mime_type &&
empty( $gifsicle_path ) &&
false === strpos( $ewww_status, 'great' ) &&
ewww_image_optimizer_get_option( 'ewww_image_optimizer_cloud_key' ) &&
! ewww_image_optimizer_cloud_verify( ewww_image_optimizer_get_option( 'ewww_image_optimizer_cloud_key' ) )
) {
ewwwio_debug_message( 'no gifsicle or API to resize an animated GIF' );
return parent::_resize( $max_w, $max_h, $crop );
}
// If this is some other image, and there's an API key, but the status isn't 'great',
// double-check the key to see if the status has changed before bailing.
if (
'image/gif' !== $this->mime_type &&
false === strpos( $ewww_status, 'great' ) &&
ewww_image_optimizer_get_option( 'ewww_image_optimizer_cloud_key' ) &&
! ewww_image_optimizer_cloud_verify( ewww_image_optimizer_get_option( 'ewww_image_optimizer_cloud_key' ) )
) {
ewwwio_debug_message( 'no API to resize the image' );
return parent::_resize( $max_w, $max_h, $crop );
}
// If this isn't a GIF, or if the GIF isn't animated, then bail--we don't yet support "better resizing" for non-GIFs.
if ( 'image/gif' !== $this->mime_type || ! ewww_image_optimizer_is_animated( $this->file ) ) {
ewwwio_debug_message( 'not an animated GIF' );
return parent::_resize( $max_w, $max_h, $crop );
}
// TODO: Possibly handle crop, rotate, and flip down the road.
if ( $this->modified ) {
ewwwio_debug_message( 'GIF already altered! Too late, so leave it alone...' );
return parent::_resize( $max_w, $max_h, $crop );
}
if (
! $this->file ||
ewww_image_optimizer_stream_wrapped( $this->file ) ||
0 === strpos( $this->file, 'http' ) ||
0 === strpos( $this->file, 'ftp' ) ||
! ewwwio_is_file( $this->file )
) {
ewwwio_debug_message( 'could not load original file, or remote path detected' );
return parent::_resize( $max_w, $max_h, $crop );
}
$resize_result = ewww_image_optimizer_better_resize( $this->file, $dst_x, $dst_y, $src_x, $src_y, $dst_w, $dst_h, $src_w, $src_h );
if ( is_wp_error( $resize_result ) ) {
return $resize_result;
}
$new_size = getimagesizefromstring( $resize_result );
if ( empty( $new_size ) ) {
return new WP_Error( 'image_resize_error', __( 'Image resize failed.' ) ); // phpcs:ignore WordPress.WP.I18n.MissingArgDomain
}
$this->update_size( $new_size[0], $new_size[1] );
return $resize_result;
}
/**
* Resizes current image.
* Wraps _resize, since _resize returns a GD Resource.
*
* At minimum, 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.
*
* @since 4.4.0
*
* @param int|null $max_w Image width.
* @param int|null $max_h Image height.
* @param bool $crop Optional. Scale by default, crop if true.
* @return true|WP_Error
*/
public function resize( $max_w, $max_h, $crop = false ) {
ewwwio_debug_message( '<b>' . __METHOD__ . '()</b>' );
if ( (int) $this->size['width'] === (int) $max_w && (int) $this->size['height'] === (int) $max_h ) {
return true;
}
$resized = $this->_resize( $max_w, $max_h, $crop );
if ( is_resource( $resized ) || ( is_object( $resized ) && $resized instanceof GdImage ) ) {
imagedestroy( $this->image );
$this->image = $resized;
return true;
} elseif ( is_string( $resized ) ) {
$this->ewww_image = $resized;
imagedestroy( $this->image );
$this->image = @imagecreatefromstring( $resized );
return true;
} elseif ( is_wp_error( $resized ) ) {
return $resized;
}
return new WP_Error( 'image_resize_error', __( 'Image resize failed.' ), $this->file ); // phpcs:ignore WordPress.WP.I18n.MissingArgDomain
}
/**
* Create an image sub-size and return the image meta data value for it.
*
* @since 5.3.0
*
* @param array $size_data {
* Array of size data.
*
* @type int $width The maximum width in pixels.
* @type int $height The maximum height in pixels.
* @type bool $crop Whether to crop the image to exact dimensions.
* }
* @return array|WP_Error The image data array for inclusion in the `sizes` array in the image meta,
* WP_Error object on error.
*/
public function make_subsize( $size_data ) {
ewwwio_debug_message( '<b>' . __METHOD__ . '()</b>' );
if ( ! isset( $size_data['width'] ) && ! isset( $size_data['height'] ) ) {
return new WP_Error( 'image_subsize_create_error', __( 'Cannot resize the image. Both width and height are not set.' ) ); // phpcs:ignore WordPress.WP.I18n.MissingArgDomain
}
$orig_size = $this->size;
if ( ! isset( $size_data['width'] ) ) {
$size_data['width'] = null;
}
if ( ! isset( $size_data['height'] ) ) {
$size_data['height'] = null;
}
if ( ! isset( $size_data['crop'] ) ) {
$size_data['crop'] = false;
}
$resized = $this->_resize( $size_data['width'], $size_data['height'], $size_data['crop'] );
if ( is_string( $resized ) ) {
$this->ewww_image = $resized;
}
if ( is_wp_error( $resized ) ) {
$saved = $resized;
} else {
$saved = $this->_save( $resized );
}
$this->size = $orig_size;
if ( ! is_wp_error( $saved ) ) {
unset( $saved['path'] );
}
return $saved;
}
/**
* Resize multiple images from a single source.
*
* @since 4.4.0
*
* @param array $sizes {
* 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.
* Likewise, if crop is false, aspect ratio will also be preserved.
*
* @type array $size {
* 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.
*/
public function multi_resize( $sizes ) {
ewwwio_debug_message( '<b>' . __METHOD__ . '()</b>' );
global $wp_version;
if ( version_compare( $wp_version, '5.3' ) >= 0 ) {
return parent::multi_resize( $sizes );
}
$metadata = array();
$orig_size = $this->size;
foreach ( $sizes as $size => $size_data ) {
if ( ! isset( $size_data['width'] ) && ! isset( $size_data['height'] ) ) {
continue;
}
if ( ! isset( $size_data['width'] ) ) {
$size_data['width'] = null;
}
if ( ! isset( $size_data['height'] ) ) {
$size_data['height'] = null;
}
if ( ! isset( $size_data['crop'] ) ) {
$size_data['crop'] = false;
}
$image = $this->_resize( $size_data['width'], $size_data['height'], $size_data['crop'] );
$duplicate = ( (int) $orig_size['width'] === (int) $size_data['width'] && (int) $orig_size['height'] === (int) $size_data['height'] );
if ( ! is_wp_error( $image ) && ! $duplicate ) {
if ( is_resource( $image ) || ( is_object( $image ) && $image instanceof GdImage ) ) {
$resized = $this->_save( $image );
imagedestroy( $image );
} elseif ( is_string( $image ) ) {
$resized = $this->_save_ewwwio_file( $image );
unset( $image );
}
if ( ! is_wp_error( $resized ) && $resized ) {
unset( $resized['path'] );
$metadata[ $size ] = $resized;
}
}
$this->size = $orig_size;
}
return $metadata;
}
/**
* Crops Image.
*
* Currently does nothing more than call the parent and let us know the image is modified.
*
* @since 4.4.0
*
* @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 ) {
$this->modified = 'crop';
return parent::crop( $src_x, $src_y, $src_w, $src_h, $dst_w, $dst_h, $src_abs );
}
/**
* Rotates current image counter-clockwise by $angle.
*
* Currently does nothing more than call the parent and let us know the image is modified.
*
* @since 4.4.0
*
* @param float $angle The number of degrees for rotation.
* @return true|WP_Error
*/
public function rotate( $angle ) {
$this->modified = 'rotate';
return parent::rotate( $angle );
}
/**
* Flips current image.
*
* Currently does nothing more than call the parent and let us know the image is modified.
*
* @since 4.4.0
*
* @param bool $horz Flip along Horizontal Axis.
* @param bool $vert Flip along Vertical Axis.
* @return true|WP_Error
*/
public function flip( $horz, $vert ) {
$this->modified = 'flip';
return parent::flip( $horz, $vert );
}
/**
* Saves a file from the EWWW IO API-enabled image editor.
*
* @since 4.4.0
*
* @param string $image A string containing the image contents.
* @param string $filename Optional. The name of the file to be saved to.
* @param string $mime_type Optional. The mimetype of the file.
* @return WP_Error|array The full path, base filename, and mimetype.
*/
protected function _save_ewwwio_file( $image, $filename = null, $mime_type = null ) {
ewwwio_debug_message( '<b>' . __METHOD__ . '()</b>' );
list( $filename, $extension, $mime_type ) = $this->get_output_format( $filename, $mime_type );
if ( ! $filename ) {
$filename = $this->generate_filename( null, null, $extension );
}
if ( wp_is_stream( $filename ) ) {
$image = @imagecreatefromstring( $image );
unset( $this->ewww_image );
return parent::_save( $image, $filename, $mime_type );
}
if ( ! is_string( $image ) ) {
unset( $this->ewww_image );
return parent::_save( $image, $filename, $mime_type );
}
global $ewww_preempt_editor;
if ( ( ! defined( 'EWWWIO_EDITOR_OVERWRITE' ) || ! EWWWIO_EDITOR_OVERWRITE ) && ewwwio_is_file( $filename ) && empty( $ewww_preempt_editor ) ) {
ewwwio_debug_message( "detected existing file: $filename" );
$current_size = wp_getimagesize( $filename );
if ( $current_size && (int) $this->size['width'] === (int) $current_size[0] && (int) $this->size['height'] === (int) $current_size[1] ) {
ewwwio_debug_message( "existing file has same dimensions, not saving $filename" );
return array(
'path' => $filename,
'file' => wp_basename( apply_filters( 'image_make_intermediate_size', $filename ) ),
'width' => $this->size['width'],
'height' => $this->size['height'],
'mime-type' => $mime_type,
);
}
}
// Write out the image (substitute for $this->make_image()).
wp_mkdir_p( dirname( $filename ) );
$result = file_put_contents( $filename, $image );
if ( $result ) {
ewwwio_debug_message( "image editor (gd-api-enhanced) saved: $filename" );
if ( is_writable( $filename ) ) {
$stat = stat( dirname( $filename ) );
$perms = $stat['mode'] & 0000666; // Same permissions as parent folder with executable bits stripped.
ewwwio_chmod( $filename, $perms );
}
ewwwio_memory( __METHOD__ );
return array(
'path' => $filename,
'file' => wp_basename( apply_filters( 'image_make_intermediate_size', $filename ) ),
'width' => $this->size['width'],
'height' => $this->size['height'],
'mime-type' => $mime_type,
);
}
ewwwio_memory( __METHOD__ );
return new WP_Error( 'image_save_error', __( 'Image Editor Save Failed' ) ); // phpcs:ignore WordPress.WP.I18n.MissingArgDomain
}
/**
* Saves a file from the image editor.
*
* @since 1.7.0
*
* @param resource $image A GD image object.
* @param string $filename Optional. The name of the file to be saved to.
* @param string $mime_type Optional. The mimetype of the file.
* @return WP_Error|array The full path, base filename, and mimetype.
*/
protected function _save( $image, $filename = null, $mime_type = null ) {
ewwwio_debug_message( '<b>' . __METHOD__ . '()</b>' );
global $ewww_preempt_editor;
if ( ! empty( $this->ewww_image ) && ! $this->modified ) {
return $this->_save_ewwwio_file( $this->ewww_image, $filename, $mime_type );
}
if ( ! empty( $ewww_preempt_editor ) || ! defined( 'EWWW_IMAGE_OPTIMIZER_ENABLE_EDITOR' ) || ! EWWW_IMAGE_OPTIMIZER_ENABLE_EDITOR ) {
return parent::_save( $image, $filename, $mime_type );
}
list( $filename, $extension, $mime_type ) = $this->get_output_format( $filename, $mime_type );
if ( ! $filename ) {
$filename = $this->generate_filename( null, null, $extension );
}
if ( ( ! defined( 'EWWWIO_EDITOR_OVERWRITE' ) || ! EWWWIO_EDITOR_OVERWRITE ) && ewwwio_is_file( $filename ) ) {
ewwwio_debug_message( "detected existing file: $filename" );
$current_size = wp_getimagesize( $filename );
if ( $current_size && (int) $this->size['width'] === (int) $current_size[0] && (int) $this->size['height'] === (int) $current_size[1] ) {
ewwwio_debug_message( "existing file has same dimensions, not saving $filename" );
return array(
'path' => $filename,
'file' => wp_basename( apply_filters( 'image_make_intermediate_size', $filename ) ),
'width' => $this->size['width'],
'height' => $this->size['height'],
'mime-type' => $mime_type,
);
}
}
$saved = parent::_save( $image, $filename, $mime_type );
if ( ! is_wp_error( $saved ) ) {
if ( ! $filename ) {
$filename = $saved['path'];
}
if ( file_exists( $filename ) ) {
ewww_image_optimizer( $filename );
ewwwio_debug_message( "image editor (gd) saved: $filename" );
$image_size = ewww_image_optimizer_filesize( $filename );
ewwwio_debug_message( "image editor size: $image_size" );
}
}
ewwwio_memory( __METHOD__ );
return $saved;
}
}
Zerion Mini Shell 1.0