gctools-outilsgc / gcconnex

		$selection_width = $selection_height = min($selection_width, $selection_height);

		// set offsets for crop

		if ($crop) {

			$widthoffset = $x1;

			$heightoffset = $y1;

			$width = $x2 - $x1;

			$height = $width;

		} else {

			// place square region in the center

			$widthoffset = floor(($width - $selection_width) / 2);

			$heightoffset = floor(($height - $selection_height) / 2);

		}

	} else {

		// non-square new image

		$new_width = $maxwidth;

		$region_width = $region_height = min($region_width, $region_height);

		// set offsets for crop

		if ($crop) {

			$widthoffset = $x1;

			$heightoffset = $y1;

			$orig_width = $x2 - $x1;

			$orig_height = $orig_width;

		} else {

			// place square region in the center

			$widthoffset = floor(($orig_width - $region_width) / 2);

			$heightoffset = floor(($orig_height - $region_height) / 2);

		}

	} else {

		// non-square new image