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unitmain.pas
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unitmain.pas
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unit unitMain;
{$mode objfpc}{$H+}
interface
uses
Classes, SysUtils, Forms, Controls, Graphics, Dialogs, StdCtrls, Buttons,
ComCtrls, UTF8Process, Process, FileUtil;
type
TFormMain = class(TForm)
ButtonClear: TButton;
ButtonStart: TButton;
ButtonAdd: TButton;
CBQuality: TComboBox;
CBOverride: TCheckBox;
LabelQuality: TLabel;
ListBoxFileNames: TListBox;
OpenDialogPdf: TOpenDialog;
ProgressBarProcess: TProgressBar;
procedure ButtonAddClick(Sender: TObject);
procedure ButtonClearClick(Sender: TObject);
procedure ButtonStartClick(Sender: TObject);
procedure FormDropFiles(Sender: TObject; const FileNames: array of String);
private
procedure Start(FileName: String; OverWrite: Boolean; Dpi: String);
public
end;
var
FormMain: TFormMain;
implementation
{$R *.lfm}
{ TFormMain }
procedure TFormMain.FormDropFiles(Sender: TObject; const FileNames: array of String);
begin
ListBoxFileNames.Items.AddStrings(FileNames);
end;
procedure TFormMain.ButtonAddClick(Sender: TObject);
var
I: Integer;
begin
if OpenDialogPdf.Execute then
begin
for I:=0 to OpenDialogPdf.Files.Count-1 do
ListBoxFileNames.Items.Add(OpenDialogPdf.Files[I]);
end;
end;
procedure TFormMain.ButtonClearClick(Sender: TObject);
begin
ListBoxFileNames.Clear;
end;
procedure TFormMain.ButtonStartClick(Sender: TObject);
var
I: Integer;
Dpi: String;
begin
Case CBQuality.ItemIndex of
0 : Dpi := '600';
1 : Dpi := '300';
2 : Dpi := '150';
3 : Dpi := '100';
end;
ProgressBarProcess.Position := 0;
ProgressBarProcess.Max := ListBoxFileNames.Items.Count;
For I:=0 to ListBoxFileNames.Items.Count-1 do
begin
Start(ListBoxFileNames.Items.Strings[I], CBOverride.Checked, Dpi);
ProgressBarProcess.Position := ProgressBarProcess.Position + 1;
end;
ShowMessage('Success');
ListBoxFileNames.Clear;
end;
procedure TFormMain.Start(FileName: String; OverWrite: Boolean; Dpi: String);
var
AProcess: TProcessUTF8;
NewFileName: String;
begin
AProcess := TProcessUTF8.Create(nil);
{$IFDEF WIN32}
AProcess.Executable:= 'gs32\bin\gswin32c.exe';
{$ENDIF}
{$IFDEF WIN64}
AProcess.Executable:= 'gs64\bin\gswin64c.exe';
{$ENDIF}
{$IFDEF LINUX}
AProcess.Executable:= FindDefaultExecutablePath('gs');
{$ENDIF}
NewFileName := StringReplace(FileName, '.pdf', 'New.pdf', [rfReplaceAll, rfIgnoreCase]);
AProcess.Parameters.Add('-sOutputFile="' + NewFileName + '"');
AProcess.Parameters.Add('-dNOPAUSE');
AProcess.Parameters.Add('-dBATCH');
AProcess.Parameters.Add('-sDEVICE=pdfwrite');
AProcess.Parameters.Add('-dCompatibilityLevel=1.4');
AProcess.Parameters.Add('-dPDFSETTINGS=/default');
AProcess.Parameters.Add('-dEmbedAllFonts=true');
AProcess.Parameters.Add('-dAutoRotatePages=/PageByPage');
AProcess.Parameters.Add('-dParseDSCComments=false');
AProcess.Parameters.Add('-sColorConversionStrategy=RGB');
AProcess.Parameters.Add('-dProcessColorModel=/DeviceRGB');
AProcess.Parameters.Add('-dConvertCMYKImagesToRGB=true');
AProcess.Parameters.Add('-dAutoFilterColorImages=false');
AProcess.Parameters.Add('-dAutoFilterGrayImages=false');
AProcess.Parameters.Add('-dEncodeColorImages=true');
AProcess.Parameters.Add('-dEncodeGrayImages=true');
AProcess.Parameters.Add('-dColorImageFilter=/DCTEncode');
AProcess.Parameters.Add('-dGrayImageFilter=/DCTEncode');
AProcess.Parameters.Add('-dDownsampleColorImages=true');
AProcess.Parameters.Add('-dColorImageResolution='+Dpi);
AProcess.Parameters.Add('-dDownsampleGrayImages=true');
AProcess.Parameters.Add('-dGrayImageResolution='+Dpi);
AProcess.Parameters.Add('-dEncodeMonoImages=true');
AProcess.Parameters.Add('-dMonoImageFilter=/CCITTFaxEncode');
AProcess.Parameters.Add('-c ".setpdfwrite << /ColorImageDict <</QFactor 2.4 /Blend 1 /HSample [2 1 1 2] /VSample [2 1 1 2]>> >> setdistillerparams" ".setpdfwrite << /GrayImageDict <</QFactor 2.4 /Blend 1 /HSample [2 1 1 2] /VSample [2 1 1 2]>> >> setdistillerparams"');
AProcess.Parameters.Add('-f');
AProcess.Parameters.Add('"' + FileName + '"');
AProcess.Options := AProcess.Options + [poWaitOnExit, poNoConsole];
AProcess.Execute;
while AProcess.Running = true do
begin
Application.ProcessMessages;
end;
if OverWrite then
begin
DeleteFile(FileName);
RenameFile(NewFileName, FileName);
end;
Application.ProcessMessages;
FreeAndNil(AProcess);
end;
end.