1--TEST-- 2Bug #43475 (Thick styled lines have scrambled patterns) 3--SKIPIF-- 4<?php 5 if (!extension_loaded('gd')) die("skip gd extension not available\n"); 6 if (!GD_BUNDLED && version_compare(GD_VERSION, '2.2.2', '<')) { 7 die("skip test requires GD 2.2.2 or higher"); 8 } 9?> 10--FILE-- 11<?php 12require_once __DIR__ . '/similarity.inc'; 13 14function setStyleAndThickness($im, $color, $thickness) 15{ 16 $style = array(); 17 $i = 0; 18 while ($i < 16 * $thickness) { 19 $style[$i++] = $color; 20 } 21 while ($i < 20 * $thickness) { 22 $style[$i++] = IMG_COLOR_TRANSPARENT; 23 } 24 while ($i < 28 * $thickness) { 25 $style[$i++] = $color; 26 } 27 while ($i < 32 * $thickness) { 28 $style[$i++] = IMG_COLOR_TRANSPARENT; 29 } 30 imagesetstyle($im, $style); 31 imagesetthickness($im, $thickness); 32} 33 34$im = imagecreate(800, 800); 35imagecolorallocate($im, 255, 255, 255); 36$black = imagecolorallocate($im, 0, 0, 0); 37 38setStyleAndThickness($im, $black, 1); 39imageline($im, 50, 250, 550, 250, IMG_COLOR_STYLED); 40imageline($im, 550, 250, 550, 750, IMG_COLOR_STYLED); 41imageline($im, 550, 750, 50, 250, IMG_COLOR_STYLED); 42 43setStyleAndThickness($im, $black, 2); 44imageline($im, 100, 200, 600, 200, IMG_COLOR_STYLED); 45imageline($im, 600, 200, 600, 700, IMG_COLOR_STYLED); 46imageline($im, 600, 700, 100, 200, IMG_COLOR_STYLED); 47 48setStyleAndThickness($im, $black, 4); 49imageline($im, 150, 150, 650, 150, IMG_COLOR_STYLED); 50imageline($im, 650, 150, 650, 650, IMG_COLOR_STYLED); 51imageline($im, 650, 650, 150, 150, IMG_COLOR_STYLED); 52 53setStyleAndThickness($im, $black, 6); 54imageline($im, 200, 100, 700, 100, IMG_COLOR_STYLED); 55imageline($im, 700, 100, 700, 600, IMG_COLOR_STYLED); 56imageline($im, 700, 600, 200, 100, IMG_COLOR_STYLED); 57 58$ex = imagecreatefrompng(__DIR__ . '/bug43475.png'); 59var_dump(calc_image_dissimilarity($ex, $im) < 1e-5); 60?> 61--EXPECT-- 62bool(true) 63
