protected function _aGetRegionArr($sRegion)
{
$regions = preg_split('/;|,|\\s/', $sRegion);
$ret = array();
foreach ($regions as $region) {
$region = trim($region);
if (0 === strlen($region)) {
continue;
}
$region = Ko_Tool_Str::AStr2Arr($region, $this->_aConf['isgb'] ? 'GB18030' : 'UTF-8');
$region = implode('', array_slice($region, 0, 2));
if (!$this->_aConf['isgb']) {
$region = Ko_Tool_Str::SConvert2GB18030($region);
}
$ret[] = $region;
}
return $ret;
}
private static function _IWritePhrase($image, $phrase, $font, $fontsize, $width, $height, $textcolor, $maxangle, $maxoffset)
{
$size = abs(intval($fontsize));
if ($size === 0) {
$size = $width / strlen($phrase) - mt_rand(0, 3) - 1;
}
$box = imagettfbbox($size, 0, $font, $phrase);
$textWidth = $box[2] - $box[0];
$textHeight = $box[1] - $box[7];
$x = ($width - $textWidth) / 2;
$y = ($height - $textHeight) / 2 + $size;
if (!count($textcolor)) {
$textColor = array(mt_rand(0, 150), mt_rand(0, 150), mt_rand(0, 150));
} else {
$textColor = $textcolor;
}
$color = imagecolorallocate($image, $textColor[0], $textColor[1], $textColor[2]);
$phraseChar = Ko_Tool_Str::AStr2Arr($phrase);
foreach ($phraseChar as $char) {
$box = imagettfbbox($size, 0, $font, $char);
$pos = $box[2] - $box[0];
$angle = mt_rand(-$maxangle, $maxangle);
$offset = mt_rand(-$maxoffset, $maxoffset);
imagettftext($image, $size, $angle, $x, $y + $offset, $color, $font, $char);
$x += $pos;
}
return $color;
}
