--TEST--
imagefilter() function test
--SKIPIF--
<?php
	if (!extension_loaded('gd')) {
		die("skip gd extension not available.");
	}
	if (!function_exists("imagefilter")) die("skip requires bundled GD library\n");
?>
--FILE--
<?php
$no_arg_filters = array(
	"IMG_FILTER_NEGATE",
	"IMG_FILTER_GRAYSCALE",
	"IMG_FILTER_EDGEDETECT",
	"IMG_FILTER_GAUSSIAN_BLUR",
	"IMG_FILTER_SELECTIVE_BLUR",
	"IMG_FILTER_EMBOSS",
	"IMG_FILTER_MEAN_REMOVAL"
);

$SAVE_DIR = __DIR__;
$SOURCE_IMG = $SAVE_DIR . "/test.png";

	foreach ($no_arg_filters as $filt) {
		$im = imagecreatefrompng($SOURCE_IMG);
		if (imagefilter($im, constant($filt))) {
			imagepng($im, $SAVE_DIR."/".$filt. ".png");
			echo "$filt success\n";
			@unlink($SAVE_DIR."/".$filt. ".png");
		} else {
			echo "$filt failed\n";
		}
	}

	$im = imagecreatefrompng($SOURCE_IMG);

	if (imagefilter($im, IMG_FILTER_SMOOTH, -1924.124)) {
		imagepng($im, $SAVE_DIR . "/IMG_FILTER_SMOOTH.png");
		echo "IMG_FILTER_SMOOTH success\n";
		@unlink($SAVE_DIR . "/IMG_FILTER_SMOOTH.png");
	} else {
		echo "IMG_FILTER_SMOOTH failed\n";
	}

	$im = imagecreatefrompng($SOURCE_IMG);

	if (imagefilter($im, IMG_FILTER_COLORIZE, -127.12, -127.98, 127)) {
		imagepng($im, $SAVE_DIR . "/IMG_FILTER_COLORIZE.png");
		echo "IMG_FILTER_COLORIZE success\n";
		unlink($SAVE_DIR . "/IMG_FILTER_COLORIZE.png");
	} else {
		echo "IMG_FILTER_COLORIZE failed\n";
	}

	$im = imagecreatefrompng($SOURCE_IMG);

	if (imagefilter($im, IMG_FILTER_CONTRAST, -90)) {
		imagepng($im, $SAVE_DIR . "/IMG_FILTER_CONTRAST.png");
		echo "IMG_FILTER_CONTRAST success\n";
		unlink($SAVE_DIR . "/IMG_FILTER_CONTRAST.png");
	} else {
		echo "IMG_FILTER_CONTRAST failed\n";
	}

	$im = imagecreatefrompng($SOURCE_IMG);

	if (imagefilter($im, IMG_FILTER_BRIGHTNESS, 98)) {
		imagepng($im, $SAVE_DIR . "/IMG_FILTER_BRIGHTNESS.png");
		echo "IMG_FILTER_BRIGHTNESS success\n";
		unlink($SAVE_DIR . "/IMG_FILTER_BRIGHTNESS.png");
	} else {
		echo "IMG_FILTER_BRIGHTNESS failed\n";
	}

	$im = imagecreatefrompng($SOURCE_IMG);

	if (imagefilter($im, IMG_FILTER_PIXELATE, 5, true)) {
		imagepng($im, $SAVE_DIR . "/IMG_FILTER_PIXELATE.png");
		echo "IMG_FILTER_PIXELATE success\n";
		unlink($SAVE_DIR . "/IMG_FILTER_PIXELATE.png");
	} else {
		echo "IMG_FILTER_PIXELATE failed\n";
	}

	$im = imagecreatefrompng($SOURCE_IMG);

	if (imagefilter($im, IMG_FILTER_SCATTER, 3, 5)) {
		imagepng($im, $SAVE_DIR . "/IMG_FILTER_SCATTER.png");
		echo "IMG_FILTER_SCATTER success\n";
		unlink($SAVE_DIR . "/IMG_FILTER_SCATTER.png");
	} else {
		echo "IMG_FILTER_SCATTER failed\n";
	}
?>
--EXPECT--
IMG_FILTER_NEGATE success
IMG_FILTER_GRAYSCALE success
IMG_FILTER_EDGEDETECT success
IMG_FILTER_GAUSSIAN_BLUR success
IMG_FILTER_SELECTIVE_BLUR success
IMG_FILTER_EMBOSS success
IMG_FILTER_MEAN_REMOVAL success
IMG_FILTER_SMOOTH success
IMG_FILTER_COLORIZE success
IMG_FILTER_CONTRAST success
IMG_FILTER_BRIGHTNESS success
IMG_FILTER_PIXELATE success
IMG_FILTER_SCATTER success