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Copy pathFont.php
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149 lines (138 loc) · 4.26 KB
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<?php
/**
* Class with Font related methods.
*/
declare(strict_types=1);
namespace PhpMyAdmin;
use function ceil;
use function is_array;
use function mb_strlen;
use function mb_strtolower;
use function preg_replace;
use function str_replace;
/**
* Class with Font related methods.
*/
class Font
{
/**
* Get list with characters and the corresponding width modifiers.
*
* @return (float|string[])[][] with characters and corresponding width modifier
*/
public function getCharLists(): array
{
return [
//ijl
['chars' => ['i', 'j', 'l'], 'modifier' => 0.23],
//f
['chars' => ['f'], 'modifier' => 0.27],
//tI
['chars' => ['t', 'I'], 'modifier' => 0.28],
//r
['chars' => ['r'], 'modifier' => 0.34],
//1
['chars' => ['1'], 'modifier' => 0.49],
//cksvxyzJ
['chars' => ['c', 'k', 's', 'v', 'x', 'y', 'z', 'J'], 'modifier' => 0.5],
//abdeghnopquL023456789
[
'chars' => [
'a',
'b',
'd',
'e',
'g',
'h',
'n',
'o',
'p',
'q',
'u',
'L',
'0',
'2',
'3',
'4',
'5',
'6',
'7',
'8',
'9',
],
'modifier' => 0.56,
],
//FTZ
['chars' => ['F', 'T', 'Z'], 'modifier' => 0.61],
//ABEKPSVXY
['chars' => ['A', 'B', 'E', 'K', 'P', 'S', 'V', 'X', 'Y'], 'modifier' => 0.67],
//wCDHNRU
['chars' => ['w', 'C', 'D', 'H', 'N', 'R', 'U'], 'modifier' => 0.73],
//GOQ
['chars' => ['G', 'O', 'Q'], 'modifier' => 0.78],
//mM
['chars' => ['m', 'M'], 'modifier' => 0.84],
//W
['chars' => ['W'], 'modifier' => 0.95],
//" "
['chars' => [' '], 'modifier' => 0.28],
];
}
/**
* Get width of string/text
*
* The text element width is calculated depending on font name
* and font size.
*
* @param string $text string of which the width will be calculated
* @param string $font name of the font like Arial,sans-serif etc
* @param int $fontSize size of font
* @param mixed[]|null $charLists list of characters and their width modifiers
*
* @return int width of the text
*/
public function getStringWidth(
string $text,
string $font,
int $fontSize,
array|null $charLists = null,
): int {
if (
! isset($charLists[0]['chars'], $charLists[0]['modifier'])
|| ! is_array($charLists[0]['chars'])
) {
$charLists = $this->getCharLists();
}
// Start by counting the width, giving each character a modifying value
$count = 0;
foreach ($charLists as $charList) {
$count += (mb_strlen($text)
- mb_strlen(str_replace($charList['chars'], '', $text))
) * $charList['modifier'];
}
$text = str_replace(' ', '', $text);//remove the " "'s
//all other chars
$count += mb_strlen((string) preg_replace('/[a-z0-9]/i', '', $text)) * 0.3;
$modifier = 1;
$font = mb_strtolower($font);
switch ($font) {
case 'arial':
case 'sans-serif':
// no modifier for arial and sans-serif
break;
case 'times':
case 'serif':
case 'brushscriptstd':
case 'californian fb':
// .92 modifier for time, serif, brushscriptstd, and californian fb
$modifier = .92;
break;
case 'broadway':
// 1.23 modifier for broadway
$modifier = 1.23;
break;
}
$textWidth = $count * $fontSize;
return (int) ceil($textWidth * $modifier);
}
}