public function open($imgname)
{
if (!is_file($imgname)) {
throw new Exception("不存在的图像文件");
}
empty($this->img) || $this->img->destroy();
$this->img = new Imagick(realpath($imgname));
$this->info = array("width" => $this->img->getImageWidth(), "height" => $this->img->getImageHeight(), "type" => strtolower($this->img->getImageFormat()), "mime" => $this->img->getImageMimeType());
}
/**
* 打开一张图像
* @param string $imgname 图像路径
*/
public function open($imgname)
{
//检测图像文件
if (!is_file($imgname)) {
throw new Exception('不存在的图像文件');
}
//销毁已存在的图像
empty($this->img) || $this->img->destroy();
//载入图像
$this->img = new \Imagick(realpath($imgname));
//设置图像信息
$this->info = array('width' => $this->img->getImageWidth(), 'height' => $this->img->getImageHeight(), 'type' => strtolower($this->img->getImageFormat()), 'mime' => $this->img->getImageMimeType());
}
/**
* 获取图片高度
*/
public function getHeight()
{
return self::$resource->getImageHeight();
}
/**
* stamp gif caution mark.
*
* @param resource $thumb
* @return resource
*/
protected function _decorateGifCaution($thumb)
{
$deco = new Imagick();
$deco->readImage($this->getDecorateGifCautionFilePath());
$thumb->compositeImage($deco, Imagick::COMPOSITE_OVER, ($thumb->getImageWidth() - $deco->getImageWidth()) / 2, ($thumb->getImageHeight() - $deco->getImageHeight()) / 2);
$deco->destroy();
return $thumb;
}
