added test for #43073

ext/gd/tests/bug43073.phpt

@@ -0,0 +1,46 @@
+--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
+$cwd = dirname(__FILE__);
+$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($g, 0, 0, 0);
+$x = 100;
+$y = 0;
+$cos_t = cos(deg2rad($delta_t));
+$sin_t = sin(deg2rad($delta_t));
+for ($angle = 0.0; $angle < 360.0; $angle += $delta_t) {
+  $bbox = imagettftext($g, 24, $angle, 400+$x, 400+$y, $black, $font, 'ABCDEF');
+  $s = vsprintf("(%d, %d), (%d, %d), (%d, %d), (%d, %d)\n", $bbox);
+  echo $s;
+  $temp = $cos_t * $x + $sin_t * $y;
+  $y    = $cos_t * $y - $sin_t * $x;
+  $x    = $temp;
+}
+imagepng($g, "$cwd/bug43073.png");
+?>
+--EXPECTF--
+(500, 402), (610, 402), (610, 376), (500, 376)
+(492, 363), (591, 322), (580, 295), (480, 336)
+(470, 331), (548, 254), (527, 233), (449, 310)
+(439, 309), (483, 202), (461, 193), (416, 299)
+(401, 300), (401, 183), (381, 183), (381, 300)
+(362, 307), (316, 195), (291, 205), (337, 318)
+(330, 329), (246, 244), (224, 265), (308, 350)
+(308, 360), (202, 316), (190, 344), (296, 388)
+(300, 399), (186, 399), (186, 425), (300, 425)
+(306, 437), (195, 483), (206, 510), (318, 464)
+(328, 469), (240, 557), (260, 578), (349, 491)
+(359, 491), (312, 607), (334, 616), (382, 501)
+(398, 500), (398, 618), (418, 618), (418, 500)
+(436, 493), (483, 607), (507, 597), (461, 482)
+(468, 471), (555, 558), (577, 538), (490, 450)
+(490, 440), (600, 485), (611, 457), (502, 412)