1--TEST-- 2Bug #73281 (imagescale(…, IMG_BILINEAR_FIXED) can cause black border) 3--SKIPIF-- 4<?php 5if (!extension_loaded('gd')) die('skip gd extension not available'); 6if (!GD_BUNDLED && version_compare(GD_VERSION, '2.2.3', '<=')) die('skip upstream fix not yet released'); 7?> 8--FILE-- 9<?php 10$coordinates = [[0, 0], [0, 199], [199, 199], [199, 0]]; 11 12$src = imagecreatetruecolor(100, 100); 13$white = imagecolorallocate($src, 255, 255, 255); 14imagefilledrectangle($src, 0,0, 99,99, $white); 15$dst = imagescale($src, 200, 200, IMG_BILINEAR_FIXED); 16echo "truecolor source\n"; 17foreach ($coordinates as $coordinate) { 18 list($x, $y) = $coordinate; 19 printf("%3d, %3d: %x\n", $x, $y, imagecolorat($dst, $x, $y)); 20} 21 22$src = imagecreate(100, 100); 23$white = imagecolorallocate($src, 255, 255, 255); 24imagefilledrectangle($src, 0,0, 99,99, $white); 25$dst = imagescale($src, 200, 200, IMG_BILINEAR_FIXED); 26echo "\npalette source\n"; 27foreach ($coordinates as $coordinate) { 28 list($x, $y) = $coordinate; 29 printf("%3d, %3d: %x\n", $x, $y, imagecolorat($dst, $x, $y)); 30} 31?> 32===DONE=== 33--EXPECT-- 34truecolor source 35 0, 0: ffffff 36 0, 199: ffffff 37199, 199: ffffff 38199, 0: ffffff 39 40palette source 41 0, 0: ffffff 42 0, 199: ffffff 43199, 199: ffffff 44199, 0: ffffff 45===DONE=== 46
