php-src/ext/gd/tests/bug43475.phpt
Michael Orlitzky 0b8466f268 ext/gd/tests: add SKIPIF stanzas for missing PNG support
The bundled libgd always has PNG support, but an external one may not.
2023-12-31 17:11:25 +00:00

67 lines
1.9 KiB
PHP

--TEST--
Bug #43475 (Thick styled lines have scrambled patterns)
--EXTENSIONS--
gd
--SKIPIF--
<?php
if (!GD_BUNDLED && version_compare(GD_VERSION, '2.2.2', '<')) {
die("skip test requires GD 2.2.2 or higher");
}
if (!(imagetypes() & IMG_PNG)) {
die("skip No PNG support");
}
?>
--FILE--
<?php
require_once __DIR__ . '/similarity.inc';
function setStyleAndThickness($im, $color, $thickness)
{
$style = array();
$i = 0;
while ($i < 16 * $thickness) {
$style[$i++] = $color;
}
while ($i < 20 * $thickness) {
$style[$i++] = IMG_COLOR_TRANSPARENT;
}
while ($i < 28 * $thickness) {
$style[$i++] = $color;
}
while ($i < 32 * $thickness) {
$style[$i++] = IMG_COLOR_TRANSPARENT;
}
imagesetstyle($im, $style);
imagesetthickness($im, $thickness);
}
$im = imagecreate(800, 800);
imagecolorallocate($im, 255, 255, 255);
$black = imagecolorallocate($im, 0, 0, 0);
setStyleAndThickness($im, $black, 1);
imageline($im, 50, 250, 550, 250, IMG_COLOR_STYLED);
imageline($im, 550, 250, 550, 750, IMG_COLOR_STYLED);
imageline($im, 550, 750, 50, 250, IMG_COLOR_STYLED);
setStyleAndThickness($im, $black, 2);
imageline($im, 100, 200, 600, 200, IMG_COLOR_STYLED);
imageline($im, 600, 200, 600, 700, IMG_COLOR_STYLED);
imageline($im, 600, 700, 100, 200, IMG_COLOR_STYLED);
setStyleAndThickness($im, $black, 4);
imageline($im, 150, 150, 650, 150, IMG_COLOR_STYLED);
imageline($im, 650, 150, 650, 650, IMG_COLOR_STYLED);
imageline($im, 650, 650, 150, 150, IMG_COLOR_STYLED);
setStyleAndThickness($im, $black, 6);
imageline($im, 200, 100, 700, 100, IMG_COLOR_STYLED);
imageline($im, 700, 100, 700, 600, IMG_COLOR_STYLED);
imageline($im, 700, 600, 200, 100, IMG_COLOR_STYLED);
$ex = imagecreatefrompng(__DIR__ . '/bug43475.png');
var_dump(calc_image_dissimilarity($ex, $im) < 1e-5);
?>
--EXPECT--
bool(true)