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Description

Crops an image resource. Internal use only.

Usage

$resource|GdImage = _crop_image_resource( $img, $x, $y, $w, $h );

Parameters

$img

( resource|GdImage ) required – Image resource or GdImage instance.

$x

( float ) required – Source point x-coordinate.

$y

( float ) required – Source point y-coordinate.

$w

( float ) required – Source width.

$h

( float ) required – Source height.

Returns

resource|GdImage (maybe) cropped image resource or GdImage instance.

Source

File name: wordpress/wp-admin/includes/image-edit.php
Lines:

function _crop_image_resource( $img, $x, $y, $w, $h ) {
  $dst = wp_imagecreatetruecolor( $w, $h );

  if ( is_gd_image( $dst ) ) {
    if ( imagecopy( $dst, $img, 0, 0, $x, $y, $w, $h ) ) {
      imagedestroy( $img );
      $img = $dst;
    }
  }

  return $img;
}
 

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