function imageaddlogo($im, $logopath)
{
//计算宽和高
$w = imagesx($im);
$h = imagesy($im);
//加载logo
$ext = substr($logopath, strrpos($logopath, '.'));
if (empty($ext)) {
return false;
}
switch (strtolower($ext)) {
case '.jpg':
$src_im = @imagecreatefromjpeg($logopath);
break;
case '.gif':
$src_im = @imagecreatefromgif($logopath);
break;
case '.png':
$src_im = @imagecreatefrompng($logopath);
break;
}
$src_im = $this->resizeImage($src_im, $w / 4, $h / 4);
$src_w = imagesx($src_im);
$src_h = imagesy($src_im);
//logo边框1 小
$bor1 = ImageCreate($src_w + 2, $src_h + 2);
ImageColorAllocate($bor1, 237, 234, 237);
//背景色
$bor1_w = imagesx($bor1);
$bor1_h = imagesy($bor1);
//logo边框2 中
$bor2 = ImageCreate($bor1_w + 8, $bor1_h + 8);
ImageColorAllocate($bor2, 255, 255, 255);
//背景色
$bor2_w = imagesx($bor2);
$bor2_h = imagesy($bor2);
//logo边框3 大
$bor3 = ImageCreate($bor2_w + 2, $bor2_h + 2);
ImageColorAllocate($bor3, 215, 215, 215);
//背景色
$bor3_w = imagesx($bor3);
$bor3_h = imagesy($bor3);
//圆角处理
$rounder = new RoundedCorner('', 5);
//二维码与logo边框3合并
// $bor3=$rounder->round_it($bor3);
// imagecopymerge($im, $bor3, ($w/2)-($bor3_w/2), ($h/2)-($bor3_h/2), 0, 0, $bor3_w, $bor3_h, 50);
// imagedestroy($bor3);
//二维码与logo边框2合并
// $bor2=$rounder->round_it($bor2);
// imagecopymerge($im, $bor2, ($w/2)-($bor2_w/2), ($h/2)-($bor2_h/2), 0, 0, $bor2_w, $bor2_h, 60);
// imagedestroy($bor2);
//
// //二维码与logo边框1合并
$bor1 = $rounder->round_it($bor1);
imagecopymerge($im, $bor1, $w / 2 - $bor1_w / 2, $h / 2 - $bor1_h / 2, 0, 0, $bor1_w, $bor1_h, 40);
imagedestroy($bor1);
//二维码与logo合并
$src_im = $rounder->round_it($src_im);
imagecopymerge($im, $src_im, $w / 2 - $src_w / 2, $h / 2 - $src_h / 2, 0, 0, $src_w, $src_h, 100);
imagedestroy($src_im);
return $im;
}
public static function set_radius($path, $radius, $npath = null)
{
if ($npath == null) {
$npath = $path;
}
$rounder = new RoundedCorner($path, $radius);
$iimg = $rounder->round_it();
imagepng($iimg, $npath);
}
