public bool SaveImages(int index, int count, Func <int, string> getFileName, Action <int, string, Progress> callBack, CancelToken token)
{
var total = index + count;
for (var i = index; i < total; i++)
{
var fileName = getFileName(i);
lock (_syncObject) //当外界有多线程访问时，此处解决并发冲突
{
if (!File.Exists(fileName))
{
SaveImage(i, fileName);
}
}
var g = new Progress(this.PageCount, i + 1);
callBack(i, fileName, g);
if (token.IsCancelled || _isCancelled)
{
return(false);
}
}
return(true);
}
public bool ExtractImages(int index, int count, Action <int, Stream, Progress> callBack, CancelToken token)
{
var total = index + count;
for (var i = index; i < total; i++)
{
using (var content = ExtractImage(i))
{
var g = new Progress(this.PageCount, i + 1);
callBack(i, content, g);
}
if (token.IsCancelled || _isCancelled)
{
return(false);
}
}
return(true);
}
public bool ExtractImages(int index, int count, Action <int, Stream, Progress> callBack, CancelToken token)
{
return(_document.ExtractImages(index, count, callBack, token));
}
public bool SaveImages(int index, int count, Func <int, string> getFileName, Action <int, string, Progress> callBack, CancelToken token)
{
return(_document.SaveImages(index, count, getFileName, callBack, token));
}
public void ExtractImages(int index, int count, Action <int, Stream, Progress> callBack, CancelToken token)
{
var total = index + count;
for (var i = index; i < total; i++)
{
using (var content = ExtractImage(i))
{
var g = new Progress(this.PageCount, i + 1);
callBack(i, content, g);
}
if (token.IsCanceled)
{
break;
}
}
}
