/**
* 进行图片处理操作
*
* @param string $format 图片格式,支持gif和jpg
* @param bool $display 是否直接输出，false:不输出，true:输出，默认false
* @return void
* @author Lijun
*/
public function exec($format = "jpg", $display = false)
{
if (self::imageNull()) {
return false;
}
if ($format !== "jpg" and $format !== "gif") {
self::$_errno = SAE_ErrParameter;
self::$_errmsg = "format must be one of 'jpg' and 'gif'";
return false;
} else {
self::$_format = $format;
}
if (self::$_post[0]["act"] == "composite" && is_array(self::$_img_data)) {
foreach (self::$_img_data as $k => $v) {
self::$_img_data[$k][0] = base64_encode($v[0]);
//unset($v[0]);
}
array_unshift(self::$_post, array("format" => $format, "imagedata" => self::$_img_data));
} else {
array_unshift(self::$_post, array("format" => $format, "imagedata" => base64_encode(self::$_img_data)));
}
if (self::$_post[1]["act"] == "composite" && !is_array(self::$_post[0]["imagedata"])) {
self::$_errno = SAE_ErrParameter;
self::$_errmsg = "composite imagedata must be an array, pls see doc:";
return false;
}
if (self::$_post[1]["act"] != "composite" && is_array(self::$_post[0]["imagedata"])) {
self::$_errno = SAE_ErrParameter;
self::$_errmsg = "imagedata is array only when composite image and composite must be the first operation";
return false;
}
foreach (self::$_post as $k => $a) {
if (isset($a["act"]) && $a["act"] == 'composite' && $k != 1) {
self::$_errno = SAE_ErrParameter;
self::$_errmsg = "composite operation must be the first operation!";
return false;
}
}
$tobepost = json_encode(self::$_post);
$ret = self::postImgData(array("saeimg" => $tobepost));
if ($ret && $display) {
header("Content-Type: image/{$format}");
echo $ret;
return true;
} else {
return $ret;
}
}
