482 lines
14 KiB
ObjectPascal
482 lines
14 KiB
ObjectPascal
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{******************************************}
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{ }
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{ FastReport VCL }
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{ PDF export filter }
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{ }
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{ Copyright (c) 1998-2021 }
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{ by Fast Reports Inc. }
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{ }
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{******************************************}
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unit frxExportPDF;
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interface
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{$I frx.inc}
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uses
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Windows, Messages, SysUtils, Classes, Graphics, Controls, Forms, Dialogs,
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StdCtrls, ExtCtrls, ComObj, Printers, frxClass, JPEG, ShellAPI,
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ComCtrls, frxPDFFile
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{$IFDEF Delphi6}, Variants {$ENDIF};
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type
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TfrxPDFExportDialog = class(TForm)
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PageControl1: TPageControl;
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ExportPage: TTabSheet;
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InfoPage: TTabSheet;
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SecurityPage: TTabSheet;
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ViewerPage: TTabSheet;
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OkB: TButton;
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CancelB: TButton;
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SaveDialog1: TSaveDialog;
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OpenCB: TCheckBox;
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GroupQuality: TGroupBox;
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CompressedCB: TCheckBox;
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EmbeddedCB: TCheckBox;
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PrintOptCB: TCheckBox;
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OutlineCB: TCheckBox;
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BackgrCB: TCheckBox;
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GroupPageRange: TGroupBox;
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DescrL: TLabel;
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AllRB: TRadioButton;
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CurPageRB: TRadioButton;
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PageNumbersRB: TRadioButton;
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PageNumbersE: TEdit;
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SecGB: TGroupBox;
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OwnPassL: TLabel;
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UserPassL: TLabel;
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OwnPassE: TEdit;
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UserPassE: TEdit;
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PermGB: TGroupBox;
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PrintCB: TCheckBox;
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ModCB: TCheckBox;
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CopyCB: TCheckBox;
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AnnotCB: TCheckBox;
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DocInfoGB: TGroupBox;
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TitleL: TLabel;
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TitleE: TEdit;
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AuthorE: TEdit;
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AuthorL: TLabel;
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SubjectL: TLabel;
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SubjectE: TEdit;
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KeywordsL: TLabel;
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KeywordsE: TEdit;
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CreatorE: TEdit;
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CreatorL: TLabel;
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ProducerL: TLabel;
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ProducerE: TEdit;
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ViewerGB: TGroupBox;
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HideToolbarCB: TCheckBox;
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HideMenubarCB: TCheckBox;
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HideWindowUICB: TCheckBox;
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FitWindowCB: TCheckBox;
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CenterWindowCB: TCheckBox;
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PrintScalingCB: TCheckBox;
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procedure FormCreate(Sender: TObject);
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procedure PageNumbersEChange(Sender: TObject);
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procedure PageNumbersEKeyPress(Sender: TObject; var Key: Char);
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procedure FormKeyDown(Sender: TObject; var Key: Word;
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Shift: TShiftState);
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end;
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TfrxPDFExport = class(TfrxCustomExportFilter)
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private
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FCompressed: Boolean;
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FEmbedded: Boolean;
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FOpenAfterExport: Boolean;
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FPDF: TfrxPDFFile;
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FPDFpage: TfrxPDFPage;
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FPrintOpt: Boolean;
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FOutline: Boolean;
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FSubject: WideString;
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FAuthor: WideString;
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FBackground: Boolean;
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FCreator: WideString;
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FTags: Boolean;
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FProtection: Boolean;
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FUserPassword: AnsiString;
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FOwnerPassword: AnsiString;
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FProtectionFlags: TfrxPDFEncBits;
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FKeywords: WideString;
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FTitle: WideString;
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FProducer: WideString;
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FPrintScaling: Boolean;
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FFitWindow: Boolean;
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FHideMenubar: Boolean;
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FCenterWindow: Boolean;
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FHideWindowUI: Boolean;
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FHideToolbar: Boolean;
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public
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constructor Create(AOwner: TComponent); override;
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class function GetDescription: String; override;
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function ShowModal: TModalResult; override;
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function Start: Boolean; override;
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procedure ExportObject(Obj: TfrxComponent); override;
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procedure Finish; override;
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procedure StartPage(Page: TfrxReportPage; Index: Integer); override;
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published
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property Compressed: Boolean read FCompressed write FCompressed default True;
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property EmbeddedFonts: Boolean read FEmbedded write FEmbedded default False;
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property OpenAfterExport: Boolean read FOpenAfterExport
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write FOpenAfterExport default False;
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property PrintOptimized: Boolean read FPrintOpt write FPrintOpt;
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property Outline: Boolean read FOutline write FOutline;
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property Background: Boolean read FBackground write FBackground;
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property HTMLTags: Boolean read FTags write FTags;
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property OverwritePrompt;
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property Title: WideString read FTitle write FTitle;
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property Author: WideString read FAuthor write FAuthor;
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property Subject: WideString read FSubject write FSubject;
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property Keywords: WideString read FKeywords write FKeywords;
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property Creator: WideString read FCreator write FCreator;
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property Producer: WideString read FProducer write FProducer;
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property UserPassword: AnsiString read FUserPassword write FUserPassword;
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property OwnerPassword: AnsiString read FOwnerPassword write FOwnerPassword;
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property ProtectionFlags: TfrxPDFEncBits read FProtectionFlags write FProtectionFlags;
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property HideToolbar: Boolean read FHideToolbar write FHideToolbar;
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property HideMenubar: Boolean read FHideMenubar write FHideMenubar;
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property HideWindowUI: Boolean read FHideWindowUI write FHideWindowUI;
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property FitWindow: Boolean read FFitWindow write FFitWindow;
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property CenterWindow: Boolean read FCenterWindow write FCenterWindow;
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property PrintScaling: Boolean read FPrintScaling write FPrintScaling;
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end;
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implementation
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uses frxUtils, frxUnicodeUtils, frxFileUtils, frxRes, frxrcExports;
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{$R *.dfm}
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{ TfrxPDFExport }
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constructor TfrxPDFExport.Create(AOwner: TComponent);
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begin
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inherited Create(AOwner);
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FCompressed := True;
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FPrintOpt := False;
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FAuthor := 'FastReport';
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FSubject := 'FastReport PDF export';
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FBackground := False;
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FCreator := 'FastReport';
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FTags := True;
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FProtection := False;
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FUserPassword := '';
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FOwnerPassword := '';
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FProducer := '';
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FKeywords := '';
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FProtectionFlags := [ePrint, eModify, eCopy, eAnnot];
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FilterDesc := frxGet(8707);
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DefaultExt := frxGet(8708);
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FCreator := Application.Name;
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FPrintScaling := False;
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FFitWindow := False;
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FHideMenubar := False;
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FCenterWindow := False;
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FHideWindowUI := False;
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FHideToolbar := False;
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end;
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class function TfrxPDFExport.GetDescription: String;
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begin
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Result := frxResources.Get('PDFexport');
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end;
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function TfrxPDFExport.ShowModal: TModalResult;
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var
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s: String;
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begin
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if FTitle = '' then
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FTitle := Report.ReportOptions.Name;
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if not Assigned(Stream) then
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begin
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if Assigned(Report) then
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FOutline := Report.PreviewOptions.OutlineVisible
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else
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FOutline := True;
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with TfrxPDFExportDialog.Create(nil) do
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begin
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OpenCB.Visible := not SlaveExport;
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if OverwritePrompt then
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SaveDialog1.Options := SaveDialog1.Options + [ofOverwritePrompt];
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if SlaveExport then
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FOpenAfterExport := False;
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if (FileName = '') and (not SlaveExport) then
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begin
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s := ChangeFileExt(ExtractFileName(frxUnixPath2WinPath(Report.FileName)), SaveDialog1.DefaultExt);
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SaveDialog1.FileName := s;
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end
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else
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SaveDialog1.FileName := FileName;
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OpenCB.Checked := FOpenAfterExport;
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CompressedCB.Checked := FCompressed;
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EmbeddedCB.Checked := FEmbedded;
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PrintOptCB.Checked := FPrintOpt;
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OutlineCB.Checked := FOutline;
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OutlineCB.Enabled := FOutline;
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BackgrCB.Checked := FBackground;
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if PageNumbers <> '' then
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begin
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PageNumbersE.Text := PageNumbers;
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PageNumbersRB.Checked := True;
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end;
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OwnPassE.Text := String(FOwnerPassword);
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UserPassE.Text := String(FUserPassword);
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PrintCB.Checked := ePrint in FProtectionFlags;
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CopyCB.Checked := eCopy in FProtectionFlags;
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ModCB.Checked := eModify in FProtectionFlags;
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AnnotCB.Checked := eAnnot in FProtectionFlags;
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TitleE.Text := FTitle;
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AuthorE.Text := FAuthor;
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SubjectE.Text := FSubject;
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KeywordsE.Text := FKeywords;
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CreatorE.Text := FCreator;
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ProducerE.Text := FProducer;
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PrintScalingCB.Checked := FPrintScaling;
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FitWindowCB.Checked := FFitWindow;
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HideMenubarCB.Checked := FHideMenubar;
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CenterWindowCB.Checked := FCenterWindow;
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HideWindowUICB.Checked := FHideWindowUI;
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HideToolbarCB.Checked := FHideToolbar;
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Result := ShowModal;
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if Result = mrOk then
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begin
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FOwnerPassword := AnsiString(OwnPassE.Text);
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FUserPassword := AnsiString(UserPassE.Text);
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FProtectionFlags := [];
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if PrintCB.Checked then
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FProtectionFlags := FProtectionFlags + [ePrint];
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if CopyCB.Checked then
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FProtectionFlags := FProtectionFlags + [eCopy];
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if ModCB.Checked then
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FProtectionFlags := FProtectionFlags + [eModify];
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if AnnotCB.Checked then
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FProtectionFlags := FProtectionFlags + [eAnnot];
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PageNumbers := '';
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CurPage := False;
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if CurPageRB.Checked then
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CurPage := True
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else if PageNumbersRB.Checked then
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PageNumbers := PageNumbersE.Text;
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FOpenAfterExport := OpenCB.Checked;
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FCompressed := CompressedCB.Checked;
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FEmbedded := EmbeddedCB.Checked;
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FPrintOpt := PrintOptCB.Checked;
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FOutline := OutlineCB.Checked;
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FBackground := BackgrCB.Checked;
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FTitle := TitleE.Text;
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FAuthor := AuthorE.Text;
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FSubject := SubjectE.Text;
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FKeywords := KeywordsE.Text;
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FCreator := CreatorE.Text;
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FProducer := ProducerE.Text;
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FPrintScaling := PrintScalingCB.Checked;
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FFitWindow := FitWindowCB.Checked;
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FHideMenubar := HideMenubarCB.Checked;
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FCenterWindow := CenterWindowCB.Checked;
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FHideWindowUI := HideWindowUICB.Checked;
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FHideToolbar := HideToolbarCB.Checked;
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if not SlaveExport then
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begin
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if DefaultPath <> '' then
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SaveDialog1.InitialDir := DefaultPath;
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if SaveDialog1.Execute then
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FileName := SaveDialog1.FileName
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else
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Result := mrCancel;
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end;
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end;
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Free;
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end;
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end else
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Result := mrOk;
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end;
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function TfrxPDFExport.Start: Boolean;
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var
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f: Boolean;
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begin
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if SlaveExport then
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begin
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if Report.FileName <> '' then
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FileName := ChangeFileExt(GetTemporaryFolder + ExtractFileName(Report.FileName), frxGet(8708))
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else
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FileName := ChangeFileExt(GetTempFile, frxGet(8708))
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end;
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if (FileName <> '') or Assigned(Stream) then
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begin
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if (ExtractFilePath(FileName) = '') and (DefaultPath <> '') then
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FileName := DefaultPath + '\' + FileName;
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f := Report.PreviewPages.Count > 200;
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FPDF := TfrxPDFFile.Create(UseFileCache and f, Report.EngineOptions.TempDir);
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FPDF.Compressed := FCompressed;
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FPDF.EmbeddedFonts := FEmbedded;
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FPDF.PrintOptimized := FPrintOpt;
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FPDF.Outline := FOutline;
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FPDF.Background := FBackground;
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FPDF.Author := FAuthor;
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FPDF.Subject := FSubject;
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FPDF.Creator := FCreator;
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FPDF.Producer := FProducer;
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FPDF.Keywords := FKeywords;
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FPDF.PrintScaling := FPrintScaling;
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FPDF.FitWindow := FFitWindow;
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FPDF.HideMenubar := FHideMenubar;
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FPDF.CenterWindow := FCenterWindow;
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FPDF.HideWindowUI := FHideWindowUI;
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FPDF.HideToolbar := FHideToolbar;
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FPDF.HTMLTags := FTags;
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FPDF.PageNumbers := PageNumbers;
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FPDF.TotalPages := Report.PreviewPages.Count;
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if FOutline then
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FPDF.PreviewOutline := Report.PreviewPages.Outline;
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FPDF.Protection := (FOwnerPassword <> '') or (FUserPassword <> '');
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FPDF.OwnerPassword := FOwnerPassword;
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FPDF.UserPassword := FUserPassword;
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FPDF.ProtectionFlags := FProtectionFlags;
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FPDF.Start;
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Result := True
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end else
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Result := False;
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end;
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procedure TfrxPDFExport.StartPage(Page: TfrxReportPage; Index: Integer);
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begin
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FPDFPage := FPDF.AddPage(Page);
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end;
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procedure TfrxPDFExport.ExportObject(Obj: TfrxComponent);
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begin
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if (Obj is TfrxView) and (ExportNotPrintable or TfrxView(Obj).Printable) then
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FPDFPage.AddObject(TfrxView(Obj));
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end;
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procedure TfrxPDFExport.Finish;
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var
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Exp: TStream;
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begin
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try
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try
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if Assigned(Stream) then
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Exp := Stream
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|
else
|
||
|
|
Exp := TFileStream.Create(FileName, fmCreate);
|
||
|
|
try
|
||
|
|
FPDF.Title := FTitle;
|
||
|
|
FPDF.SaveToStream(Exp);
|
||
|
|
finally
|
||
|
|
if not Assigned(Stream) then
|
||
|
|
Exp.Free;
|
||
|
|
if FOpenAfterExport and (not Assigned(Stream)) then
|
||
|
|
ShellExecute(GetDesktopWindow, 'open', PChar(FileName), nil, nil, SW_SHOW);
|
||
|
|
end;
|
||
|
|
except
|
||
|
|
on e: Exception do
|
||
|
|
case Report.EngineOptions.NewSilentMode of
|
||
|
|
simSilent: Report.Errors.Add(e.Message);
|
||
|
|
simMessageBoxes: frxErrorMsg(e.Message);
|
||
|
|
simReThrow: raise;
|
||
|
|
end;
|
||
|
|
end;
|
||
|
|
finally
|
||
|
|
FPDF.Free;
|
||
|
|
end;
|
||
|
|
end;
|
||
|
|
|
||
|
|
{ TfrxPDFExportDialog }
|
||
|
|
|
||
|
|
procedure TfrxPDFExportDialog.FormCreate(Sender: TObject);
|
||
|
|
begin
|
||
|
|
Caption := frxGet(8700);
|
||
|
|
OkB.Caption := frxGet(1);
|
||
|
|
CancelB.Caption := frxGet(2);
|
||
|
|
GroupPageRange.Caption := frxGet(7);
|
||
|
|
AllRB.Caption := frxGet(3);
|
||
|
|
CurPageRB.Caption := frxGet(4);
|
||
|
|
PageNumbersRB.Caption := frxGet(5);
|
||
|
|
DescrL.Caption := frxGet(9);
|
||
|
|
GroupQuality.Caption := frxGet(8);
|
||
|
|
CompressedCB.Caption := frxGet(8701);
|
||
|
|
EmbeddedCB.Caption := frxGet(8702);
|
||
|
|
PrintOptCB.Caption := frxGet(8703);
|
||
|
|
OutlineCB.Caption := frxGet(8704);
|
||
|
|
BackgrCB.Caption := frxGet(8705);
|
||
|
|
OpenCB.Caption := frxGet(8706);
|
||
|
|
SaveDialog1.Filter := frxGet(8707);
|
||
|
|
SaveDialog1.DefaultExt := frxGet(8708);
|
||
|
|
|
||
|
|
ExportPage.Caption := frxGet(107);
|
||
|
|
DocInfoGB.Caption := frxGet(8971);
|
||
|
|
InfoPage.Caption := frxGet(8972);
|
||
|
|
TitleL.Caption := frxGet(8973);
|
||
|
|
AuthorL.Caption := frxGet(8974);
|
||
|
|
SubjectL.Caption := frxGet(8975);
|
||
|
|
KeywordsL.Caption := frxGet(8976);
|
||
|
|
CreatorL.Caption := frxGet(8977);
|
||
|
|
ProducerL.Caption := frxGet(8978);
|
||
|
|
|
||
|
|
SecurityPage.Caption := frxGet(8962);
|
||
|
|
SecGB.Caption := frxGet(8979);
|
||
|
|
PermGB.Caption := frxGet(8980);
|
||
|
|
OwnPassL.Caption := frxGet(8964);
|
||
|
|
UserPassL.Caption := frxGet(8965);
|
||
|
|
PrintCB.Caption := frxGet(8966);
|
||
|
|
ModCB.Caption := frxGet(8967);
|
||
|
|
CopyCB.Caption := frxGet(8968);
|
||
|
|
AnnotCB.Caption := frxGet(8969);
|
||
|
|
|
||
|
|
ViewerPage.Caption := frxGet(8981);
|
||
|
|
ViewerGB.Caption := frxGet(8982);
|
||
|
|
HideToolbarCB.Caption := frxGet(8983);
|
||
|
|
HideMenubarCB.Caption := frxGet(8984);
|
||
|
|
HideWindowUICB.Caption := frxGet(8985);
|
||
|
|
FitWindowCB.Caption := frxGet(8986);
|
||
|
|
CenterWindowCB.Caption := frxGet(8987);
|
||
|
|
PrintScalingCB.Caption := frxGet(8988);
|
||
|
|
|
||
|
|
if UseRightToLeftAlignment then
|
||
|
|
FlipChildren(True);
|
||
|
|
end;
|
||
|
|
|
||
|
|
procedure TfrxPDFExportDialog.PageNumbersEChange(Sender: TObject);
|
||
|
|
begin
|
||
|
|
PageNumbersRB.Checked := True;
|
||
|
|
end;
|
||
|
|
|
||
|
|
procedure TfrxPDFExportDialog.PageNumbersEKeyPress(Sender: TObject;
|
||
|
|
var Key: Char);
|
||
|
|
begin
|
||
|
|
case key of
|
||
|
|
'0'..'9':;
|
||
|
|
#8, '-', ',':;
|
||
|
|
else
|
||
|
|
key := #0;
|
||
|
|
end;
|
||
|
|
end;
|
||
|
|
|
||
|
|
procedure TfrxPDFExportDialog.FormKeyDown(Sender: TObject; var Key: Word;
|
||
|
|
Shift: TShiftState);
|
||
|
|
begin
|
||
|
|
if Key = VK_F1 then
|
||
|
|
frxResources.Help(Self);
|
||
|
|
end;
|
||
|
|
|
||
|
|
end.
|