xref: /PHP-7.2/ext/gd/tests/bug43073.phpt (revision 726c5999)
1--TEST--
2Bug #43073 (TrueType bounding box is wrong for angle<>0)
3--SKIPIF--
4<?php
5	if(!extension_loaded('gd')){ die('skip gd extension not available'); }
6	if(!function_exists('imagettftext')) die('skip imagettftext() not available');
7?>
8--FILE--
9<?php
10$exp = [
11	[501,400, 611,400, 611,376, 501,376],
12	[492,361, 595,319, 586,296, 483,338],
13	[470,329, 549,251, 531,233, 453,312],
14	[439,307, 481,204, 458,195, 416,297],
15	[400,299, 400,189, 376,189, 376,299],
16	[361,307, 319,204, 296,213, 338,316],
17	[329,329, 251,250, 233,267, 311,346],
18	[307,360, 204,318, 195,341, 297,383],
19	[299,400, 189,400, 189,424, 299,424],
20	[307,438, 204,480, 213,503, 316,461],
21	[329,470, 250,548, 267,566, 346,488],
22	[360,492, 318,595, 341,604, 383,502],
23	[400,501, 400,611, 424,611, 424,501],
24	[438,492, 480,595, 503,586, 461,483],
25	[470,470, 548,549, 566,532, 488,453],
26	[492,439, 595,481, 604,458, 502,416]
27];
28$cwd = dirname(__FILE__);
29$font = "$cwd/Tuffy.ttf";
30$delta_t = 360.0 / 16; # Make 16 steps around
31$g = imagecreate(800, 800);
32$bgnd  = imagecolorallocate($g, 255, 255, 255);
33$black = imagecolorallocate($g, 0, 0, 0);
34$red = imagecolorallocate($g, 255, 0, 0);
35$x = 100;
36$y = 0;
37$cos_t = cos(deg2rad($delta_t));
38$sin_t = sin(deg2rad($delta_t));
39for ($angle = 0.0, $i = 0; $angle < 360.0; $angle += $delta_t, $i++) {
40  $bbox = imagettftext($g, 24, $angle, 400+$x, 400+$y, $black, $font, 'ABCDEF');
41  imagepolygon($g, $bbox, 4, $red);
42  printf("%2d: ", $i);
43  for ($j = 0; $j < 8; $j++) {
44	if ($bbox[$j] >= $exp[$i][$j] - 1 && $bbox[$j] <= $exp[$i][$j] + 1) {
45		echo '.';
46	} else {
47		echo "(expected $exp[$i][$j], got $bbox[$j])";
48	}
49  }
50  echo "\n";
51  $temp = $cos_t * $x + $sin_t * $y;
52  $y    = $cos_t * $y - $sin_t * $x;
53  $x    = $temp;
54}
55imagepng($g, "$cwd/bug43073.png");
56?>
57--CLEAN--
58<?php @unlink(dirname(__FILE__) . '/bug43073.png'); ?>
59--EXPECT--
60 0: ........
61 1: ........
62 2: ........
63 3: ........
64 4: ........
65 5: ........
66 6: ........
67 7: ........
68 8: ........
69 9: ........
7010: ........
7111: ........
7212: ........
7313: ........
7414: ........
7515: ........
76