cemu_graphic_packs/Source/functions.php
2018-10-23 23:18:49 -07:00

50 lines
1.6 KiB
PHP

<?php
function always_decimal_format($x) { return (intval($x) == $x ? number_format($x, 1, '.', '') : $x ); }
function gcd($a,$b) {
$a = abs($a); $b = abs($b);
if( $a < $b) list($b,$a) = Array($a,$b);
if( $b == 0) return $a;
$r = $a % $b;
while($r > 0) {
$a = $b;
$b = $r;
$r = $a % $b;
}
return $b;
}
function simplify($num,$den) {
$g = gcd($num,$den);
return Array($num/$g,$den/$g);
}
function get_title($width, $height) {
$title = $width . "x" . $height;
$ratio = simplify($width, $height);
if (!($ratio[0] == 16 && $ratio[1] == 9)) {
if ($ratio[0] == 64 && $ratio[1] == 27) {
// 64:27 is the true ratio, but 21:9 is the common approximation
$title = $title . " (21:9)";
} else if ($ratio[0] == 43 && $ratio[1] == 18) {
// 43:18 is the true ratio for 3440x1440, but 21:9 is the common approximation
$title = $title . " (21:9)";
} else if ($ratio[0] == 7 && $ratio[1] == 3) {
// 2100x900 and 4200x1800 are actual 21:9 (21*100 and 9*100) but for some reason it calculates to 7:3?
$title = $title . " (21:9)";
} else if ($ratio[0] == 853 && $ratio[1] == 360) {
// 21:9 720p calculates to 853:360
$title = $title . " (21:9)";
} else if ($ratio[0] == 8 && $ratio[1] == 5) {
// common sense
$title = $title . " (16:10)";
} else if ($ratio[0] == 427 && $ratio[1] == 240) {
// common sense
return $title;
} else if ($ratio[0] == 683 && $ratio[1] == 384) {
// common sense
return $title;
} else {
$title = $title . " (" . $ratio[0] .":". $ratio[1] . ")";
}
}
return $title;
}
?>