image_edit_apply_changes() │ WP 2.9.0
Performs group of changes on Editor specified.
Return
WP_Image_Editor
. WP_Image_Editor instance with changes applied.
Usage
image_edit_apply_changes( $image, $changes );
- $image(WP_Image_Editor) (required)
- WP_Image_Editor instance.
- $changes(array) (required)
- Array of change operations.
Changelog
image_edit_apply_changes() image edit apply changes code
WP 6.6.2
function image_edit_apply_changes( $image, $changes ) {
if ( is_gd_image( $image ) ) {
/* translators: 1: $image, 2: WP_Image_Editor */
_deprecated_argument( __FUNCTION__, '3.5.0', sprintf( __( '%1$s needs to be a %2$s object.' ), '$image', 'WP_Image_Editor' ) );
}
if ( ! is_array( $changes ) ) {
return $image;
}
// Expand change operations.
foreach ( $changes as $key => $obj ) {
if ( isset( $obj->r ) ) {
$obj->type = 'rotate';
$obj->angle = $obj->r;
unset( $obj->r );
} elseif ( isset( $obj->f ) ) {
$obj->type = 'flip';
$obj->axis = $obj->f;
unset( $obj->f );
} elseif ( isset( $obj->c ) ) {
$obj->type = 'crop';
$obj->sel = $obj->c;
unset( $obj->c );
}
$changes[ $key ] = $obj;
}
// Combine operations.
if ( count( $changes ) > 1 ) {
$filtered = array( $changes[0] );
for ( $i = 0, $j = 1, $c = count( $changes ); $j < $c; $j++ ) {
$combined = false;
if ( $filtered[ $i ]->type === $changes[ $j ]->type ) {
switch ( $filtered[ $i ]->type ) {
case 'rotate':
$filtered[ $i ]->angle += $changes[ $j ]->angle;
$combined = true;
break;
case 'flip':
$filtered[ $i ]->axis ^= $changes[ $j ]->axis;
$combined = true;
break;
}
}
if ( ! $combined ) {
$filtered[ ++$i ] = $changes[ $j ];
}
}
$changes = $filtered;
unset( $filtered );
}
// Image resource before applying the changes.
if ( $image instanceof WP_Image_Editor ) {
/**
* Filters the WP_Image_Editor instance before applying changes to the image.
*
* @since 3.5.0
*
* @param WP_Image_Editor $image WP_Image_Editor instance.
* @param array $changes Array of change operations.
*/
$image = apply_filters( 'wp_image_editor_before_change', $image, $changes );
} elseif ( is_gd_image( $image ) ) {
/**
* Filters the GD image resource before applying changes to the image.
*
* @since 2.9.0
* @deprecated 3.5.0 Use {@see 'wp_image_editor_before_change'} instead.
*
* @param resource|GdImage $image GD image resource or GdImage instance.
* @param array $changes Array of change operations.
*/
$image = apply_filters_deprecated( 'image_edit_before_change', array( $image, $changes ), '3.5.0', 'wp_image_editor_before_change' );
}
foreach ( $changes as $operation ) {
switch ( $operation->type ) {
case 'rotate':
if ( 0 !== $operation->angle ) {
if ( $image instanceof WP_Image_Editor ) {
$image->rotate( $operation->angle );
} else {
$image = _rotate_image_resource( $image, $operation->angle );
}
}
break;
case 'flip':
if ( 0 !== $operation->axis ) {
if ( $image instanceof WP_Image_Editor ) {
$image->flip( ( $operation->axis & 1 ) !== 0, ( $operation->axis & 2 ) !== 0 );
} else {
$image = _flip_image_resource( $image, ( $operation->axis & 1 ) !== 0, ( $operation->axis & 2 ) !== 0 );
}
}
break;
case 'crop':
$sel = $operation->sel;
if ( $image instanceof WP_Image_Editor ) {
$size = $image->get_size();
$w = $size['width'];
$h = $size['height'];
$scale = 1 / _image_get_preview_ratio( $w, $h ); // Discard preview scaling.
$image->crop( (int) ( $sel->x * $scale ), (int) ( $sel->y * $scale ), (int) ( $sel->w * $scale ), (int) ( $sel->h * $scale ) );
} else {
$scale = 1 / _image_get_preview_ratio( imagesx( $image ), imagesy( $image ) ); // Discard preview scaling.
$image = _crop_image_resource( $image, $sel->x * $scale, $sel->y * $scale, $sel->w * $scale, $sel->h * $scale );
}
break;
}
}
return $image;
}