1--TEST-- 2png compression test 3--EXTENSIONS-- 4gd 5--SKIPIF-- 6<?php 7 if (!function_exists("imagecreatefrompng") || !function_exists("imagepng")) { 8 die("skip png support unavailable"); 9 } 10?> 11--FILE-- 12<?php 13 $cwd = __DIR__; 14 15 echo "PNG compression test: "; 16 17 $im = imagecreatetruecolor(20,20); 18 imagefilledrectangle($im, 5,5, 10,10, 0xffffff); 19 imagepng($im, $cwd . '/test_pngcomp.png', 9); 20 21 $im2 = imagecreatefrompng($cwd . '/test_pngcomp.png'); 22 $col = imagecolorat($im2, 8,8); 23 if ($col == 0xffffff) { 24 echo "ok\n"; 25 } 26 27 @unlink($cwd . "/test_pngcomp.png"); 28?> 29--EXPECT-- 30PNG compression test: ok 31
