xref: /PHP-8.1/ext/gd/tests/bug43073.phpt (revision b6958bb8)
1--TEST--
2Bug #43073 (TrueType bounding box is wrong for angle<>0)
3--EXTENSIONS--
4gd
5--SKIPIF--
6<?php
7    if(!function_exists('imagettftext')) die('skip imagettftext() not available');
8?>
9--FILE--
10<?php
11$exp = [
12    [501,400, 611,400, 611,376, 501,376],
13    [492,361, 595,319, 586,296, 483,338],
14    [470,329, 549,251, 531,233, 453,312],
15    [439,307, 481,204, 458,195, 416,297],
16    [400,299, 400,189, 376,189, 376,299],
17    [361,307, 319,204, 296,213, 338,316],
18    [329,329, 251,250, 233,267, 311,346],
19    [307,360, 204,318, 195,341, 297,383],
20    [299,400, 189,400, 189,424, 299,424],
21    [307,438, 204,480, 213,503, 316,461],
22    [329,470, 250,548, 267,566, 346,488],
23    [360,492, 318,595, 341,604, 383,502],
24    [400,501, 400,611, 424,611, 424,501],
25    [438,492, 480,595, 503,586, 461,483],
26    [470,470, 548,549, 566,532, 488,453],
27    [492,439, 595,481, 604,458, 502,416]
28];
29$cwd = __DIR__;
30$font = "$cwd/Tuffy.ttf";
31$delta_t = 360.0 / 16; # Make 16 steps around
32$g = imagecreate(800, 800);
33$bgnd  = imagecolorallocate($g, 255, 255, 255);
34$black = imagecolorallocate($g, 0, 0, 0);
35$red = imagecolorallocate($g, 255, 0, 0);
36$x = 100;
37$y = 0;
38$cos_t = cos(deg2rad($delta_t));
39$sin_t = sin(deg2rad($delta_t));
40for ($angle = 0.0, $i = 0; $angle < 360.0; $angle += $delta_t, $i++) {
41  $bbox = imagettftext($g, 24, (int)$angle, (int)(400+$x), (int)(400+$y), $black, $font, 'ABCDEF');
42  imagepolygon($g, $bbox, $red);
43  printf("%2d: ", $i);
44  for ($j = 0; $j < 8; $j++) {
45    if ($bbox[$j] >= $exp[$i][$j] - 1 && $bbox[$j] <= $exp[$i][$j] + 1) {
46        echo '.';
47    } else {
48        echo "(expected $exp[$i][$j], got $bbox[$j])";
49    }
50  }
51  echo "\n";
52  $temp = $cos_t * $x + $sin_t * $y;
53  $y    = $cos_t * $y - $sin_t * $x;
54  $x    = $temp;
55}
56imagepng($g, "$cwd/bug43073.png");
57?>
58--CLEAN--
59<?php @unlink(__DIR__ . '/bug43073.png'); ?>
60--EXPECT--
61 0: ........
62 1: ........
63 2: ........
64 3: ........
65 4: ........
66 5: ........
67 6: ........
68 7: ........
69 8: ........
70 9: ........
7110: ........
7211: ........
7312: ........
7413: ........
7514: ........
7615: ........
77