1--TEST-- 2Bug #43475 (Thick styled lines have scrambled patterns) 3--EXTENSIONS-- 4gd 5--SKIPIF-- 6<?php 7 if (!GD_BUNDLED && version_compare(GD_VERSION, '2.2.2', '<')) { 8 die("skip test requires GD 2.2.2 or higher"); 9 } 10 if (!(imagetypes() & IMG_PNG)) { 11 die("skip No PNG support"); 12 } 13?> 14--FILE-- 15<?php 16require_once __DIR__ . '/similarity.inc'; 17 18function setStyleAndThickness($im, $color, $thickness) 19{ 20 $style = array(); 21 $i = 0; 22 while ($i < 16 * $thickness) { 23 $style[$i++] = $color; 24 } 25 while ($i < 20 * $thickness) { 26 $style[$i++] = IMG_COLOR_TRANSPARENT; 27 } 28 while ($i < 28 * $thickness) { 29 $style[$i++] = $color; 30 } 31 while ($i < 32 * $thickness) { 32 $style[$i++] = IMG_COLOR_TRANSPARENT; 33 } 34 imagesetstyle($im, $style); 35 imagesetthickness($im, $thickness); 36} 37 38$im = imagecreate(800, 800); 39imagecolorallocate($im, 255, 255, 255); 40$black = imagecolorallocate($im, 0, 0, 0); 41 42setStyleAndThickness($im, $black, 1); 43imageline($im, 50, 250, 550, 250, IMG_COLOR_STYLED); 44imageline($im, 550, 250, 550, 750, IMG_COLOR_STYLED); 45imageline($im, 550, 750, 50, 250, IMG_COLOR_STYLED); 46 47setStyleAndThickness($im, $black, 2); 48imageline($im, 100, 200, 600, 200, IMG_COLOR_STYLED); 49imageline($im, 600, 200, 600, 700, IMG_COLOR_STYLED); 50imageline($im, 600, 700, 100, 200, IMG_COLOR_STYLED); 51 52setStyleAndThickness($im, $black, 4); 53imageline($im, 150, 150, 650, 150, IMG_COLOR_STYLED); 54imageline($im, 650, 150, 650, 650, IMG_COLOR_STYLED); 55imageline($im, 650, 650, 150, 150, IMG_COLOR_STYLED); 56 57setStyleAndThickness($im, $black, 6); 58imageline($im, 200, 100, 700, 100, IMG_COLOR_STYLED); 59imageline($im, 700, 100, 700, 600, IMG_COLOR_STYLED); 60imageline($im, 700, 600, 200, 100, IMG_COLOR_STYLED); 61 62$ex = imagecreatefrompng(__DIR__ . '/bug43475.png'); 63var_dump(calc_image_dissimilarity($ex, $im) < 1e-5); 64?> 65--EXPECT-- 66bool(true) 67
