function rgbStringToHsl($rgbString)
{
$pattern = "/rgba*\\((?P<r>\\d+\\.*\\d*),(?P<g>\\d+\\.*\\d*),(?P<b>\\d+\\.*\\d*),*(?P<a>\\d*\\.*\\d*)\\)/i";
if (preg_match($pattern, $rgbString, $matches)) {
$r = $matches['r'];
$g = $matches['g'];
$b = $matches['b'];
$hslArray = rgbToHsl($r, $g, $b);
return $hslArray;
}
}
$b = ($b + $m) * 255;
return array(floor($r), floor($g), floor($b));
}
$hueAdjustment = -180;
$tar = array('red' => 47, 'green' => 116, 'blue' => 118);
$img = imagecreatefrompng('core/imageColor/img.png');
$x = imagesx($img);
$y = imagesy($img);
$yMin = $y / 3;
$yMax = $y * 2 / 3;
$xMin = $x / 3;
$xMax = $x * 2 / 3;
$red = imagecolorallocate($img, 255, 0, 0);
for ($i = $xMin; $i < $xMax; ++$i) {
for ($j = $yMin; $j < $yMax; ++$j) {
$ind = imagecolorat($img, $i, $j);
$val = imagecolorsforindex($img, $ind);
if (getDist($tar, $val) < 65) {
$hsl = rgbToHsl($val['red'], $val['green'], $val['blue']);
//$h = $hsv['H'] + .2;
$h = $hsl[0] + $hueAdjustment;
// if ($h > 1) --$h;
$rgb = hslToRgb($h, $hsl[1], $hsl[2]);
$newCol = imagecolorallocate($img, $rgb[0], $rgb[1], $rgb[2]);
imagesetpixel($img, $i, $j, $newCol);
}
}
}
$file = 'core/imageColor/result.png';
imagepng($img, $file);
echo '<img src="' . $file . '">';
?>
><?php
echo $name;
?>
</option>
<?php
}
?>
</select>
</td></tr>
<tr><th scope="row"><?php
_e('Text Color', 'easy-watermark');
?>
</th><td>
<?php
$c = rgbToHsl($color);
if ($c[2] < 0.5) {
$txtcolor = 'white';
} else {
$txtcolor = 'black';
}
?>
<input style="background-color:<?php
echo $color;
?>
;color:<?php
echo $txtcolor;
?>
" type="text" maxlength="7" size="7" name="easy-watermark-settings-text[color]" id="ew-color" value="<?php
echo $color;
?>
$nn = $n + 0.3 * $n;
// Generate the random color hex codes
for ($i = 0; $i < $nn; $i++) {
$hex_arr[$i] = $digits[mt_rand(0, 15)] . $digits[mt_rand(0, 15)] . $digits[mt_rand(0, 15)] . $digits[mt_rand(0, 15)] . $digits[mt_rand(0, 15)] . $digits[mt_rand(0, 15)];
}
// Save random color hex codes into array
$hex_arr = array_unique($hex_arr);
$hex_arr = array_slice($hex_arr, 0, $n);
unset($digits, $nn);
$total = count($hex_arr);
// Use rgbToHsl to get HSL values for each color, save it all in a big f*****g array
foreach ($hex_arr as $val) {
$r = hexdec(substr($val, 0, 2));
$g = hexdec(substr($val, 2, 2));
$b = hexdec(substr($val, 4, 2));
$hsl = rgbToHsl($r, $g, $b);
if (strlen($val) == 6) {
$sl = round(1000 * $hsl['s'] * $hsl['l'], 20);
$colors[$val] = array('x' => $val, 'h' => str_pad($hsl['h'], 20, "0"), 's' => str_pad($hsl['s'], 20, "0"), 'l' => str_pad($hsl['l'], 20, "0"), 'sl' => $sl);
}
unset($key, $val, $g, $r, $b, $hsl, $sl, $hex_arr);
// Be cool, pack it in, pack it out. Shakka.
}
// Get random BG colors for display fun times
$colors = sortmulti($colors, 'l', 'desc');
$bg1 = array_slice($colors, 0, 1);
$bg1 = array_slice($colors, 1, 2);
$colors = sortmulti($colors, 'l', 'asc');
$range = round(count($colors) * 0.09);
$text = array_slice($colors, $range, $range + 1);
$text = array_slice($colors, $range + 1, $range + 2);
