bug43073.phpt   [plain text]

--TEST--
Bug #43073 (TrueType bounding box is wrong for angle<>0)
--SKIPIF--
<?php
	if(!extension_loaded('gd')){ die('skip gd extension not available'); }
	if(!function_exists('imagettftext')) die('skip imagettftext() not available');
?>
--FILE--
<?php
$exp = [
	[501,400, 611,400, 611,376, 501,376],
	[492,361, 595,319, 586,296, 483,338],
	[470,329, 549,251, 531,233, 453,312],
	[439,307, 481,204, 458,195, 416,297],
	[400,299, 400,189, 376,189, 376,299],
	[361,307, 319,204, 296,213, 338,316],
	[329,329, 251,250, 233,267, 311,346],
	[307,360, 204,318, 195,341, 297,383],
	[299,400, 189,400, 189,424, 299,424],
	[307,438, 204,480, 213,503, 316,461],
	[329,470, 250,548, 267,566, 346,488],
	[360,492, 318,595, 341,604, 383,502],
	[400,501, 400,611, 424,611, 424,501],
	[438,492, 480,595, 503,586, 461,483],
	[470,470, 548,549, 566,532, 488,453],
	[492,439, 595,481, 604,458, 502,416]
];
$cwd = dirname(__FILE__);
$font = "$cwd/Tuffy.ttf";
$delta_t = 360.0 / 16; # Make 16 steps around
$g = imagecreate(800, 800);
$bgnd  = imagecolorallocate($g, 255, 255, 255);
$black = imagecolorallocate($g, 0, 0, 0);
$red = imagecolorallocate($g, 255, 0, 0);
$x = 100;
$y = 0;
$cos_t = cos(deg2rad($delta_t));
$sin_t = sin(deg2rad($delta_t));
for ($angle = 0.0, $i = 0; $angle < 360.0; $angle += $delta_t, $i++) {
  $bbox = imagettftext($g, 24, $angle, 400+$x, 400+$y, $black, $font, 'ABCDEF');
  imagepolygon($g, $bbox, 4, $red);
  printf("%2d: ", $i);
  for ($j = 0; $j < 8; $j++) {
	if ($bbox[$j] >= $exp[$i][$j] - 1 && $bbox[$j] <= $exp[$i][$j] + 1) {
		echo '.';
	} else {
		echo "(expected $exp[$i][$j], got $bbox[$j])";
	}
  }
  echo "\n";
  $temp = $cos_t * $x + $sin_t * $y;
  $y    = $cos_t * $y - $sin_t * $x;
  $x    = $temp;
}
imagepng($g, "$cwd/bug43073.png");
?>
--CLEAN--
<?php @unlink(dirname(__FILE__) . '/bug43073.png'); ?>
--EXPECT--
 0: ........
 1: ........
 2: ........
 3: ........
 4: ........
 5: ........
 6: ........
 7: ........
 8: ........
 9: ........
10: ........
11: ........
12: ........
13: ........
14: ........
15: ........