csu3_am335x/EVSE/GPL/php-8.1.12/ext/gd/tests/gif.phpt

--TEST--
gif in/out
--EXTENSIONS--
gd
--SKIPIF--
<?php
    if (!function_exists("imagegif") || !function_exists("imagecreatefromgif") || !function_exists('imagecreatefromjpeg')) {
        die("skip gif support unavailable");
    }
?>
--FILE--
<?php

function check_box($r,$g,$b, $error=0) {
    $cwd = __DIR__;
    $im2 = imagecreatefromgif($cwd . '/test_gif.gif');

    $c = imagecolorsforindex($im2, imagecolorat($im2, 8,8));

    if ($error>0) {
        $r_min = $r - $error; $r_max = $r + $error;
        $g_min = $g - $error; $g_max = $g + $error;
        $b_min = $b - $error; $b_max = $b + $error;

        if (
            ($c['red'] >= $r_min || $c['red'] <= $r_max)
            &&
            ($c['green'] >= $g_min || $c['green'] <= $g_max)
            &&
            ($c['blue'] >= $b_min || $c['blue'] <= $b_max)
            ) {
            return true;
        } else {
            return false;
        }
    } else {
        if ($c['red']==$r && $c['green']==$g && $c['blue']==$b) {
            return true;
        } else {
            return false;
        }
    }
}
$cwd = __DIR__;

$im = imagecreate(10,10);
$c = imagecolorallocate($im, 255,255,255);
imagefilledrectangle($im, 5,5, 10,10, $c);
imagegif($im, $cwd . '/test_gif.gif');
if (check_box(255,255,255)) {
    echo "<4 cols: ok\n";
}

$im = imagecreate(10,10);
for ($i=0; $i<7; $i++) {
    $c = imagecolorallocate($im, $i,$i,$i);
}
imagefilledrectangle($im, 5,5, 10,10, $c);
imagegif($im, $cwd . '/test_gif.gif');
$i--;
if (check_box($i,$i,$i)) {
        echo "<8 cols: ok\n";
}


$im = imagecreate(10,10);
for ($i=0; $i<15; $i++) {
    $c = imagecolorallocate($im, $i,$i,$i);
}
imagefilledrectangle($im, 5,5, 10,10, $c);
imagegif($im, $cwd . '/test_gif.gif');
$i--;
if (check_box($i,$i,$i)) {
        echo "<16 cols: ok\n";
}


$im = imagecreate(10,10);
for ($i=0; $i<31; $i++) {
    $c = imagecolorallocate($im, $i,$i,$i);
}
imagefilledrectangle($im, 5,5, 10,10, $c);
imagegif($im, $cwd . '/test_gif.gif');
$i--;
if (check_box($i,$i,$i)) {
        echo "<32 cols: ok\n";
}


$im = imagecreate(10,10);
for ($i=0; $i<63; $i++) {
    $c = imagecolorallocate($im, $i,$i,$i);
}
imagefilledrectangle($im, 5,5, 10,10, $c);
imagegif($im, $cwd . '/test_gif.gif');
$i--;
if (check_box($i,$i,$i)) {
        echo "<64 cols: ok\n";
}

$im = imagecreate(10,10);
for ($i=0; $i<127; $i++) {
    $c = imagecolorallocate($im, $i,$i,$i);
}
imagefilledrectangle($im, 5,5, 10,10, $c);
imagegif($im, $cwd . '/test_gif.gif');
$i--;
if (check_box($i,$i,$i)) {
        echo "<128 cols: ok\n";
}

$im = imagecreate(10,10);
for ($i=0; $i<255; $i++) {
    $c = imagecolorallocate($im, $i,$i,$i);
}
imagefilledrectangle($im, 5,5, 10,10, $c);
imagegif($im, $cwd . '/test_gif.gif');
$i--;
if (check_box($i,$i,$i)) {
        echo "<256 cols: ok\n";
}


$im = imagecreatefromjpeg($cwd . '/conv_test.jpg');
imagefilledrectangle($im, 5,5, 10,10, 0xffffff);
imagegif($im, $cwd . '/test_gif.gif');
imagegif($im, $cwd . '/test_gif_2.gif');

if (check_box(255,255,255, 10)) {
    echo ">256 cols: ok\n";
}

@unlink($cwd . "/test_gif.gif");
@unlink($cwd . "/test_gif_2.gif");
?>
--EXPECT--
<4 cols: ok
<8 cols: ok
<16 cols: ok
<32 cols: ok
<64 cols: ok
<128 cols: ok
<256 cols: ok
>256 cols: ok