1--TEST-- 2imagewebp() and imagecreatefromwebp() - basic test 3--EXTENSIONS-- 4gd 5--SKIPIF-- 6<?php 7if (!GD_BUNDLED && version_compare(GD_VERSION, '2.2.0', '<')) { 8 die("skip test requires GD 2.2.0 or higher"); 9} 10if (!function_exists('imagewebp') || !function_exists('imagecreatefromwebp')) 11 die('skip WebP support not available'); 12?> 13--FILE-- 14<?php 15require_once __DIR__ . '/similarity.inc'; 16 17$filename = __DIR__ . '/webp_basic.webp'; 18 19$im1 = imagecreatetruecolor(75, 75); 20$white = imagecolorallocate($im1, 255, 255, 255); 21$red = imagecolorallocate($im1, 255, 0, 0); 22$green = imagecolorallocate($im1, 0, 255, 0); 23$blue = imagecolorallocate($im1, 0, 0, 255); 24imagefilledrectangle($im1, 0, 0, 74, 74, $white); 25imageline($im1, 3, 3, 71, 71, $red); 26imageellipse($im1, 18, 54, 36, 36, $green); 27imagerectangle($im1, 41, 3, 71, 33, $blue); 28imagewebp($im1, $filename); 29 30$im2 = imagecreatefromwebp($filename); 31imagewebp($im2, $filename); 32echo 'Is lossy conversion close enough? '; 33var_dump(calc_image_dissimilarity($im1, $im2) < 10e5); 34 35imagewebp($im1, $filename, IMG_WEBP_LOSSLESS); 36$im_lossless = imagecreatefromwebp($filename); 37echo 'Does lossless conversion work? '; 38var_dump(calc_image_dissimilarity($im1, $im_lossless) == 0); 39 40try { 41 imagewebp($im1, $filename, -10); 42} catch (\ValueError $e) { 43 echo $e->getMessage(); 44} 45 46?> 47--CLEAN-- 48<?php 49@unlink(__DIR__ . '/webp_basic.webp'); 50?> 51--EXPECT-- 52Is lossy conversion close enough? bool(true) 53Does lossless conversion work? bool(true) 54imagewebp(): Argument #3 ($quality) must be greater than or equal to -1 55
