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526407ca35
We port the upstream fix[1], and also revert commit a3383ac3d7[2] which is now obsolete, and also not part of libgd. Especially the change to gd.png.c was at best a half-baked optimization. [1] <a24e96f019> [2] <a3383ac3d7> Closes GH-7402.
33 lines
756 B
PHP
33 lines
756 B
PHP
--TEST--
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Bug #53580 (During resize gdImageCopyResampled cause colors change)
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--SKIPIF--
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<?php
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if (!extension_loaded('gd')) die("skip gd extension not available");
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if (!GD_BUNDLED && version_compare(GD_VERSION, "2.3.2") <= 0) {
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die("skip test requires GD > 2.3.2");
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}
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?>
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--FILE--
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<?php
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$w0 = 100;
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$h0 = 100;
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$w1 = 150;
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$h1 = 150;
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$c0 = 0xffffff;
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$im0 = imagecreatetruecolor($w0, $h0);
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imagefilledrectangle($im0, 0, 0, $w0 - 1, $h0 - 1, $c0);
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$im1 = imagecreatetruecolor($w1, $h1);
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imagecopyresampled($im1, $im0, 0, 0, 0, 0, $w1, $h1, $w0, $h0);
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for ($i = 0; $i < $w1; $i++) {
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for ($j = 0; $j < $h1; $j++) {
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if (($c1 = imagecolorat($im1, $i, $j)) !== $c0) {
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printf("%d,%d = %d\n", $i, $j, $c1);
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}
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}
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}
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?>
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--EXPECT--
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