Delphi 下 用 ImageEN 進行圖像糾偏

// 僅獲取文件夾 內的 文件
function GetFiles(Path, ext: string): TStringList;
var
  Rec: TSearchRec;
  Lst: TStringList;
begin
  if Path[Length(Path)] <> '\' then
    Path := Path + '\';
  Lst := TStringList.Create;
  if FindFirst(Path + '*' + ext, faAnyFile, Rec) = 0 then
    repeat
      if Rec.Attr and faDirectory >= 1 then
        continue; // 跳過文件夾
      Lst.Add(Path + Rec.Name);
    until FindNext(Rec) <> 0;
  System.SysUtils.FindClose(Rec);
  Result := Lst;
end;


procedure TForm1.ScrewJpg(FromFile, ToFile: string);
var
  Skew: real;
begin
  ImageEnView1.IO.LoadFromFile(FromFile);
  Skew := ImageEnView1.Proc.SkewDetectionFine();
  ImageEnView1.Proc.Rotate(Skew);
  ImageEnView1.IO.SaveToFileJpeg(ToFile);
end;


procedure TForm1.btnScrewClick(Sender: TObject);
var
  i: Integer;
  lst: TStringList;
  FromFile, ToFile, NewPath: string;
begin
  NewPath := Trim(leJpgPath.Text);

  try
    lst := GetFiles(NewPath, '.jpg');
    Memo1.Text := Format('共找到 %d 個圖像:', [lst.Count])
      + #$D#$A + lst.Text;
  finally
    lst.Free;
  end;

  if Memo1.Lines.Count < 2 then
  begin
    ShowMessage('沒有找到圖像.');
    exit;
  end;

  lst := TStringList.Create;
  NewPath := leJpgPath.Text + '\糾偏後\';
  forcedirectories(NewPath);
  lst.Text := Memo1.Text;

  Screen.Cursor := crHourGlass;
  try
    for i := 1 to lst.Count - 1 do
    begin
      FromFile := lst[i];
      ToFile := NewPath + ExtractFileName(FromFile);
      ScrewJpg(FromFile, ToFile);
    end;

    ShowMessage(Format('%d', [lst.Count]) + ' 個圖像糾偏完成.');
  finally
    lst.Free;
    Screen.Cursor := crDefault;
  end;
end;


procedure TForm1.btnSelectDirClick(Sender: TObject);
var
  path: string;
  FileList: TStringList;
begin
  if SelectDirectory('選擇目錄 ', ' ', path) then
  begin
    leJpgPath.Text := path;
    try
      FileList := GetFiles(Path, '.jpg');
      Memo1.Text := Format('共找到 %d 個圖像:', [FileList.Count])
        + #$D#$A + FileList.Text;
    finally
      FileList.Free;
    end;
  end;
end;