/// <summary>
/// 开始转换
/// </summary>
public void StartConvert(object p)
{
var savePath = _mainForm.LbllblSavePath.Text;
var parameters = p as List <object>;
_convertingtablerowIndex = Convert.ToInt32(parameters[0]);
var noticeAction = parameters[1];
var convertCompleteAction = parameters[2];
ConvertComplete completedCalback = convertCompleteAction as ConvertComplete;
ProgressNotice noticeCallback = noticeAction as ProgressNotice;
var imgType = parameters[3].ToString();
foreach (Row row in this.tableFiles.TableModel.Rows)
{
var filePath = row.Cells[FilePathColIndex].Text;
var fileName = row.Cells[FileNameColIndex].Text;
var fullFileName = Path.Combine(savePath, fileName.Contains(".") ?
fileName.Remove(fileName.LastIndexOf(".")) : fileName);
if (!Directory.Exists(fullFileName))
{
Directory.CreateDirectory(fullFileName);
}
try
{
row.Tag = ConvertState.Converting;
HandleDocumentToImg(filePath, fullFileName, imgType, noticeCallback, _convertingtablerowIndex);
}
catch (Exception ex)
{
row.Tag = ConvertState.NotConvert;
if (ex is InvalidPasswordException)
{
var noticeResult = new NoticeResult
{
Success = false,
ErrMsg = $"文件\n{fileName}\n是加密文件，请先解密！"
};
this.Invoke(noticeCallback, noticeResult);
}
else
{
throw;
}
}
//标志为转换完成
if ((ConvertState)row.Tag == ConvertState.Converting)
{
row.Tag = ConvertState.Converted;
}
_convertingtablerowIndex++;
}
this.Invoke(completedCalback);
convertThread = null;
}
private void btnStartConvert_Click(object sender, EventArgs e)
{
if (string.IsNullOrEmpty(_mainForm.LbllblSavePath.Text.Trim()))
{
YMessageBox.ShowMsgBox(100, "请先选择要保存的路径！");
return;
}
this.btnStartConvert.Text = "转换中...";
SetConvertBtnEnable(false);
ProgressNotice notice = ProgressAction;//创建一个委托对象
ConvertComplete convertCompleted = ConvertCompleteAction;
if (convertThread != null)
{
convertThread = null;
}
convertThread = new Thread(StartConvert);
var imgType = GetConvertedImgType();
convertThread.Start(new List <object> {
0, notice, convertCompleted, imgType
});
}
private void TableFiles_CellMouseDown(object sender, XPTable.Events.CellMouseEventArgs e)
{
if (e.Column == DeleteColIndex)
{
var currentRow = this.tableFiles.TableModel.Rows[e.Row];
this.tableFiles.TableModel.Rows.RemoveAt(e.Row);
if (this.tableFiles.TableModel.Rows.Count <= 0)
{
if (convertThread != null && convertThread.IsAlive)
{
convertThread.Abort();
}
SetConvertBtnVisiable(false);
ConvertCompleteAction();
AddDragTip();
return;
}
//判断移除行转换的状态
//重启线程转换
ProgressNotice notice = ProgressAction;//创建一个委托对象
ConvertComplete convertCompleted = ConvertCompleteAction;
if (convertThread != null && convertThread.IsAlive)
{
convertThread.Abort();
}
convertThread = new Thread(StartConvert);
var imgType = GetConvertedImgType();
if ((ConvertState)currentRow.Tag == ConvertState.Converted)
{
_convertingtablerowIndex--;
}
convertThread.Start(new List <object> {
_convertingtablerowIndex, notice, convertCompleted, imgType
});
}
}
private void HandleDocumentToImg(string filePath, string fullFileName, string imgType, ProgressNotice noticeCallback, int rowIndex)
{
Document pdfDocument = new Document(filePath);
var pageCount = pdfDocument.Pages.Count;
var realPercent = 0.0;
for (int pageIndex = 1; pageIndex <= pageCount; pageIndex++)
{
realPercent += (double)100 / pageCount;
using (FileStream imageStream = new FileStream(fullFileName + "\\" + pageIndex + imgType,
FileMode.Create))
{
Resolution resolution = new Resolution(300);
JpegDevice jpegDevice = new JpegDevice(resolution, 100);
jpegDevice.Process(pdfDocument.Pages[pageIndex], imageStream);
imageStream.Close();
}
if (pageIndex == pdfDocument.Pages.Count)
{
realPercent = 100;
}
var noticeResult = new NoticeResult
{
Success = true,
rowIndex = rowIndex,
pageIndex = pageIndex,
per = (int)realPercent
};
this.Invoke(noticeCallback, noticeResult);
}
}
