/// <summary>
/// 拼接文档图片的下载地址
/// </summary>
/// <param name="urlPrefix">文档信息中的url前缀</param>
/// <param name="imgType">文档转换的图片类型</param>
/// <param name="quality">需要的图片清晰度</param>
/// <param name="pageNum">图片页码（从1开始计算）</param>
/// <returns></returns>
public static string GetPageUrl(string urlPrefix, NIMDocTranscodingImageType imgType, NIMDocTranscodingQuality quality, int pageNum)
{
var ptr = DocTransNativeMethods.nim_doctrans_get_page_url(urlPrefix, imgType, quality, pageNum);
NimUtility.Utf8StringMarshaler marshaler = new NimUtility.Utf8StringMarshaler();
string url = marshaler.MarshalNativeToManaged(ptr) as string;
GlobalAPI.FreeBuffer(ptr);
return(url);
}
/// <summary>
/// 拼接文档源的下载地址
/// </summary>
/// <param name="urlPrefix">文档信息中的url前缀</param>
/// <param name="fileType">文档源类型</param>
/// <returns></returns>
public static string GetSourceFileUrl(string urlPrefix, NIMDocTranscodingFileType fileType)
{
var ptr = DocTransNativeMethods.nim_doctrans_get_source_file_url(urlPrefix, fileType);
NimUtility.Utf8StringMarshaler marshaler = new NimUtility.Utf8StringMarshaler();
string url = marshaler.MarshalNativeToManaged(ptr) as string;
GlobalAPI.FreeBuffer(ptr);
return(url);
}
/// <summary>
/// 根据文档id删除服务器记录，对于正在转码中的文档，删除后将不会收到转码结果的通知
/// </summary>
/// <param name="id">文档id</param>
/// <param name="cb"></param>
public static void DeleteTransition(string id, DocTransDelegate cb)
{
var ptr = NimUtility.DelegateConverter.ConvertToIntPtr(cb);
DocTransNativeMethods.nim_doctrans_del_info(id, null, DefaultTransCallback, ptr);
}
/// <summary>
/// 根据文档id查询文档信息
/// </summary>
/// <param name="id">查询的起始docId，若为空，表示从头开始查找，按照文档转码的发起时间降序排列</param>
/// <param name="limit">查询的文档的最大数目，有最大值限制，目前为30</param>
/// <param name="cb"></param>
public static void GetTransitionInfoList(string id, int limit, GetTransListDelegate cb)
{
var ptr = NimUtility.DelegateConverter.ConvertToIntPtr(cb);
DocTransNativeMethods.nim_doctrans_get_info_list(id, limit, null, GetTransListCb, ptr);
}
/// <summary>
/// 册文档转换的结果的回调通知（服务器异步转换，客户端需要等待通知才知道转换结果）
/// </summary>
/// <param name="cb"></param>
public static void RegisterNotifyCallback(DocTransDelegate cb)
{
var ptr = NimUtility.DelegateConverter.ConvertToIntPtr(cb);
DocTransNativeMethods.nim_doctrans_reg_notify_cb(null, GlobalTransCallback, ptr);
}
