1 files changed, 59 insertions, 0 deletions
diff --git a/ext/gd/tests/bug43475.phpt b/ext/gd/tests/bug43475.phpt
new file mode 100644
index 0000000000..b29b9800a5
--- /dev/null
+++ b/ext/gd/tests/bug43475.phpt
@@ -0,0 +1,59 @@
+--TEST--
+Bug #43475 (Thick styled lines have scrambled patterns)
+--SKIPIF--
+<?php
+	if (!extension_loaded('gd')) die("skip gd extension not available\n");
+?>
+--FILE--
+<?php
+require_once __DIR__ . '/similarity.inc';
+
+function setStyleAndThickness($im, $color, $thickness)
+{
+	$style = array();
+	$i = 0;
+	while ($i < 16 * $thickness) {
+		$style[$i++] = $color;
+	}
+	while ($i < 20 * $thickness) {
+		$style[$i++] = IMG_COLOR_TRANSPARENT;
+	}
+	while ($i < 28 * $thickness) {
+		$style[$i++] = $color;
+	}
+	while ($i < 32 * $thickness) {
+		$style[$i++] = IMG_COLOR_TRANSPARENT;
+	}
+	imagesetstyle($im, $style);
+	imagesetthickness($im, $thickness);
+}
+
+$im = imagecreate(800, 800);
+imagecolorallocate($im, 255, 255, 255);
+$black = imagecolorallocate($im, 0, 0, 0);
+
+setStyleAndThickness($im, $black, 1);
+imageline($im,  50, 250, 550, 250, IMG_COLOR_STYLED);
+imageline($im, 550, 250, 550, 750, IMG_COLOR_STYLED);
+imageline($im, 550, 750,  50, 250, IMG_COLOR_STYLED);
+
+setStyleAndThickness($im, $black, 2);
+imageline($im, 100, 200, 600, 200, IMG_COLOR_STYLED);
+imageline($im, 600, 200, 600, 700, IMG_COLOR_STYLED);
+imageline($im, 600, 700, 100, 200, IMG_COLOR_STYLED);
+
+setStyleAndThickness($im, $black, 4);
+imageline($im, 150, 150, 650, 150, IMG_COLOR_STYLED);
+imageline($im, 650, 150, 650, 650, IMG_COLOR_STYLED);
+imageline($im, 650, 650, 150, 150, IMG_COLOR_STYLED);
+
+setStyleAndThickness($im, $black, 6);
+imageline($im, 200, 100, 700, 100, IMG_COLOR_STYLED);
+imageline($im, 700, 100, 700, 600, IMG_COLOR_STYLED);
+imageline($im, 700, 600, 200, 100, IMG_COLOR_STYLED);
+
+$ex = imagecreatefrompng(__DIR__ . '/bug43475.png');
+var_dump(calc_image_dissimilarity($ex, $im) < 1e-5);
+?>
+--EXPECT--
+bool(true)