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【www.gdgbn.com--远程及网络应用】
class GetImage {
var $source;
var $save_to;
var $quality;
function download($method = "curl") {
$info = @GetImageSize($this->source);
$mime = $info["mime"];
// What sort of image?
$type = substr(strrchr($mime, "/"), 1);
switch ($type){
case "jpeg":
$image_create_func = "ImageCreateFromJPEG";
$image_save_func = "ImageJPEG";
$new_image_ext = "jpg";
// Best Quality: 100
$quality = isSet($this->quality) ? $this->quality : 100;
break;
case "png":
$image_create_func = "ImageCreateFromPNG";
$image_save_func = "ImagePNG";
$new_image_ext = "png";
// Compression Level: from 0 (no compression) to 9
$quality = isSet($this->quality) ? $this->quality : 0;
break;
case "bmp":
$image_create_func = "ImageCreateFromBMP";
$image_save_func = "ImageBMP";
$new_image_ext = "bmp";
break;
case "gif":
$image_create_func = "ImageCreateFromGIF";
$image_save_func = "ImageGIF";
$new_image_ext = "gif";
break;
case "vnd.wap.wbmp":
$image_create_func = "ImageCreateFromWBMP";
$image_save_func = "ImageWBMP";
$new_image_ext = "bmp";
break;
case "xbm":
$image_create_func = "ImageCreateFromXBM";
$image_save_func = "ImageXBM";
$new_image_ext = "xbm";
break;
default:
$image_create_func = "ImageCreateFromJPEG";
$image_save_func = "ImageJPEG";
$new_image_ext = "jpg";
}
if(isSet($this->set_extension)){
$ext = strrchr($this->source, ".");
$strlen = strlen($ext);
$new_name = basename(substr($this->source, 0, -$strlen)).".".$new_image_ext;
}else{
$new_name = basename($this->source);
}
$save_to = $this->save_to."/blog_insert_temp_".time().mt_rand(1,99).".".$new_image_ext;
//输出对象 组成跟$_FILE变量一样 得到后自己和平常图片上传处理一样了
$img_info["name"] = basename($this->source);
$img_info["type"] = $mime;
$img_info["size"] = 1000;
$img_info["tmp_name"] = $save_to;
$img_info["error"] = 0;
if($method == "curl"){
$save_image = $this->LoadImageCURL($save_to);
}elseif($method == "gd"){
$img = $image_create_func($this->source);
if(isSet($quality)){
$save_image = $image_save_func($img, $save_to, $quality);
}else{
$save_image = $image_save_func($img, $save_to);
}
}
return $img_info;
}
function LoadImageCURL($save_to){
$ch = curl_init($this->source);
$fp = fopen($save_to, "wb");
// set URL and other appropriate options
$options = array(CURLOPT_FILE => $fp,
CURLOPT_HEADER => 0,
CURLOPT_FOLLOWLOCATION => 1,
CURLOPT_TIMEOUT => 60); // 1 minute timeout (should be enough)
curl_setopt_array($ch, $options);
curl_exec($ch);
curl_close($ch);
fclose($fp);
}
}