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<?php
class CircleCrop
{
private $src_img;
private $src_w;
private $src_h;
private $dst_img;
private $dst_w;
private $dst_h;
public function __construct($img, $dstWidth, $dstHeight)
{
$this->src_img = $img;
$this->src_w = imagesx($img);
$this->src_h = imagesy($img);
$this->dst_w = $dstWidth;
$this->dst_h = $dstHeight;
}
public function __destruct()
{
if (is_resource($this->dst_img))
{
imagedestroy($this->dst_img);
}
}
public function display()
{
imagepng($this->dst_img, $_SERVER['DOCUMENT_ROOT'] . "/resources/upload/favicon.png");
return $this;
}
public function reset()
{
if (is_resource(($this->dst_img)))
{
imagedestroy($this->dst_img);
}
$this->dst_img = imagecreatetruecolor($this->dst_w, $this->dst_h);
imagecopy($this->dst_img, $this->src_img, 0, 0, 0, 0, $this->dst_w, $this->dst_h);
return $this;
}
public function size($dstWidth, $dstHeight)
{
$this->dst_w = $dstWidth;
$this->dst_h = $dstHeight;
return $this->reset();
}
public function crop()
{
$this->reset();
$mask = imagecreatetruecolor($this->dst_w, $this->dst_h);
$maskTransparent = imagecolorallocate($mask, 255, 0, 255);
imagecolortransparent($mask, $maskTransparent);
imagefilledellipse($mask, $this->dst_w / 2, $this->dst_h / 2, $this->dst_w, $this->dst_h, $maskTransparent);
imagecopymerge($this->dst_img, $mask, 0, 0, 0, 0, $this->dst_w, $this->dst_h, 100);
$dstTransparent = imagecolorallocate($this->dst_img, 255, 0, 255);
imagefill($this->dst_img, 0, 0, $dstTransparent);
imagefill($this->dst_img, $this->dst_w - 1, 0, $dstTransparent);
imagefill($this->dst_img, 0, $this->dst_h - 1, $dstTransparent);
imagefill($this->dst_img, $this->dst_w - 1, $this->dst_h - 1, $dstTransparent);
imagecolortransparent($this->dst_img, $dstTransparent);
return $this;
}
}
if (file_exists($_SERVER['DOCUMENT_ROOT'] . "/resources/upload/siteicon-uncomp.png")) {
$path = $_SERVER['DOCUMENT_ROOT'] . "/resources/upload/siteicon-uncomp.png";
} else {
$path = $_SERVER['DOCUMENT_ROOT'] . "/resources/upload/siteicon.png";
}
$image = imagecreatefrompng($path);
$width = imagesx($image);
$height = imagesy($image);
$crop = new CircleCrop($image,$width,$height);
$crop->crop()->display();
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