_flip_image_resource

February 12, 2011 by Thorsten 0 Comments

Definition:
function _flip_image_resource($img, $horz, $vert) {}

Parameters

$img
$horz
$vert

Source code

function _flip_image_resource($img, $horz, $vert) {

	$w = imagesx($img);

	$h = imagesy($img);

	$dst = wp_imagecreatetruecolor($w, $h);

	if ( is_resource($dst) ) {

		$sx = $vert ? ($w - 1) : 0;

		$sy = $horz ? ($h - 1) : 0;

		$sw = $vert ? -$w : $w;

		$sh = $horz ? -$h : $h;



		if ( imagecopyresampled($dst, $img, 0, 0, $sx, $sy, $w, $h, $sw, $sh) ) {

			imagedestroy($img);

			$img = $dst;

		}

	}

	return $img;

}

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