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--TEST-- Bug #53156 (imagerectangle problem with point ordering) --SKIPIF-- <?php if (!extension_loaded('gd')) die('skip gd extension not available'); ?> --FILE-- <?php function draw_and_check_pixel($x, $y) { global $img, $black, $red; echo (imagecolorat($img, $x, $y) === $black) ? '+' : '-'; imagesetpixel($img, $x, $y, $red); } function draw_and_check_rectangle($x1, $y1, $x2, $y2) { global $img, $black; echo 'Rectangle: '; imagerectangle($img, $x1, $y1, $x2, $y2, $black); $x = ($x1 + $x2) / 2; $y = ($y1 + $y2) / 2; draw_and_check_pixel($x, $y1); draw_and_check_pixel($x1, $y); draw_and_check_pixel($x, $y2); draw_and_check_pixel($x2, $y); echo PHP_EOL; } $img = imagecreate(110, 210); $bgnd = imagecolorallocate($img, 255, 255, 255); $black = imagecolorallocate($img, 0, 0, 0); $red = imagecolorallocate($img, 255, 0, 0); draw_and_check_rectangle( 10, 10, 50, 50); draw_and_check_rectangle( 50, 60, 10, 100); draw_and_check_rectangle( 50, 150, 10, 110); draw_and_check_rectangle( 10, 200, 50, 160); imagesetthickness($img, 4); draw_and_check_rectangle( 60, 10, 100, 50); draw_and_check_rectangle(100, 60, 60, 100); draw_and_check_rectangle(100, 150, 60, 110); draw_and_check_rectangle( 60, 200, 100, 160); //imagepng($img, __DIR__ . '/bug53156.png'); // debug ?> --EXPECT-- Rectangle: ++++ Rectangle: ++++ Rectangle: ++++ Rectangle: ++++ Rectangle: ++++ Rectangle: ++++ Rectangle: ++++ Rectangle: ++++