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+/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
+/*
+ * This file is part of the LibreOffice project.
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/.
+ *
+ * This file incorporates work covered by the following license notice:
+ *
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements. See the NOTICE file distributed
+ * with this work for additional information regarding copyright
+ * ownership. The ASF licenses this file to you under the Apache
+ * License, Version 2.0 (the "License"); you may not use this file
+ * except in compliance with the License. You may obtain a copy of
+ * the License at http://www.apache.org/licenses/LICENSE-2.0 .
+ */
+#ifndef INCLUDED_VCL_PDFWRITER_HXX
+#define INCLUDED_VCL_PDFWRITER_HXX
+
+#include <config_options.h>
+#include <sal/types.h>
+
+#include <tools/gen.hxx>
+#include <tools/color.hxx>
+#include <rtl/strbuf.hxx>
+
+#include <vcl/dllapi.h>
+#include <vcl/font.hxx>
+#include <vcl/outdev.hxx>
+#include <vcl/graph.hxx>
+
+#include <com/sun/star/lang/Locale.hpp>
+#include <com/sun/star/util/DateTime.hpp>
+
+#include <memory>
+#include <vector>
+#include <set>
+
+namespace com::sun::star::beans { class XMaterialHolder; }
+namespace com::sun::star::io { class XOutputStream; }
+namespace com::sun::star::security { class XCertificate; }
+
+class GDIMetaFile;
+class MapMode;
+class LineInfo;
+namespace tools {
+ class Polygon;
+ class PolyPolygon;
+}
+class Bitmap;
+class BitmapEx;
+class Gradient;
+class Hatch;
+class Wallpaper;
+
+namespace vcl
+{
+
+class PDFExtOutDevData;
+class PDFWriterImpl;
+
+struct PDFNote
+{
+ OUString Title; // optional title for the popup containing the note
+ OUString Contents; // contents of the note
+ css::util::DateTime maModificationDate;
+};
+
+class VCL_DLLPUBLIC PDFOutputStream
+{
+ public:
+ virtual ~PDFOutputStream();
+ virtual void write( const css::uno::Reference< css::io::XOutputStream >& xStream ) = 0;
+};
+
+class VCL_DLLPUBLIC PDFWriter
+{
+ ScopedVclPtr<PDFWriterImpl> xImplementation;
+
+ PDFWriter(const PDFWriter&) = delete;
+ PDFWriter& operator=(const PDFWriter&) = delete;
+
+public:
+ // extended line info
+ enum CapType { capButt, capRound, capSquare };
+ enum JoinType { joinMiter, joinRound, joinBevel };
+ struct ExtLineInfo
+ {
+ double m_fLineWidth;
+ double m_fTransparency;
+ CapType m_eCap;
+ JoinType m_eJoin;
+ double m_fMiterLimit;
+ std::vector< double > m_aDashArray;
+
+ ExtLineInfo() : m_fLineWidth( 0.0 ),
+ m_fTransparency( 0.0 ),
+ m_eCap( capButt ),
+ m_eJoin( joinMiter ),
+ m_fMiterLimit( 10.0 )
+ {}
+ };
+
+ enum class Orientation { Portrait, Inherit };
+
+ // in case the below enum is added PDF_1_6 PDF_1_7, please add them just after PDF_1_5
+ enum class PDFVersion { PDF_1_2, PDF_1_3, PDF_1_4, PDF_1_5, PDF_1_6, PDF_A_1, PDF_A_2, PDF_A_3 };//i59651, PDF/A-1b & -1a, only -1b implemented for now
+ // for the meaning of DestAreaType please look at PDF Reference Manual
+ // version 1.4 section 8.2.1, page 475
+ enum class DestAreaType { XYZ, FitRectangle };
+
+ // for a definition of structural element types please refer to
+ // PDF Reference, 3rd ed. section 9.7.4
+ enum StructElement
+ {
+ // special element to place outside the structure hierarchy
+ NonStructElement,
+ // Grouping elements
+ Document, Part, Article, Section, Division, BlockQuote,
+ Caption, TOC, TOCI, Index,
+
+ // block level elements
+ Paragraph, Heading, H1, H2, H3, H4, H5, H6,
+ List, ListItem, LILabel, LIBody,
+ Table, TableRow, TableHeader, TableData,
+
+ // inline level elements
+ Span, Quote, Note, Reference, BibEntry, Code, Link,
+
+ // illustration elements
+ Figure, Formula, Form
+ };
+
+ enum StructAttribute
+ {
+ Placement, WritingMode, SpaceBefore, SpaceAfter, StartIndent, EndIndent,
+ TextIndent, TextAlign, Width, Height, BlockAlign, InlineAlign,
+ LineHeight, BaselineShift, TextDecorationType, ListNumbering,
+ RowSpan, ColSpan, Scope,
+
+ // link destination is an artificial attribute that sets
+ // the link annotation ID of a Link element
+ // further note: since structure attributes can only be
+ // set during content creation, but links can be
+ // created after the fact, it is possible to set
+ // an arbitrary id as structure attribute here. In this
+ // case the arbitrary id has to be passed again when the
+ // actual link annotation is created via SetLinkPropertyID
+ LinkAnnotation,
+ // Language currently sets a LanguageType (see i18nlangtag/lang.h)
+ // which will be internally changed to a corresponding locale
+ Language
+ };
+
+ enum StructAttributeValue
+ {
+ Invalid,
+ NONE,
+ // Placement
+ Block, Inline, Before, After, Start, End,
+ // WritingMode
+ LrTb, RlTb, TbRl,
+ // TextAlign
+ Center, Justify,
+ // Width, Height,
+ Auto,
+ // BlockAlign
+ Middle,
+ // LineHeight
+ Normal,
+ // TextDecorationType
+ Underline, Overline, LineThrough,
+ // Scope
+ Row, Column, Both,
+ // ListNumbering
+ Disc, Circle, Square, Decimal, UpperRoman, LowerRoman, UpperAlpha, LowerAlpha
+ };
+
+ enum class PageTransition
+ {
+ Regular,
+ SplitHorizontalInward, SplitHorizontalOutward,
+ SplitVerticalInward, SplitVerticalOutward,
+ BlindsHorizontal, BlindsVertical,
+ BoxInward, BoxOutward,
+ WipeLeftToRight, WipeBottomToTop, WipeRightToLeft, WipeTopToBottom,
+ Dissolve
+ };
+
+ enum WidgetType
+ {
+ PushButton, RadioButton, CheckBox, Edit, ListBox, ComboBox, Hierarchy,
+ Signature
+ };
+
+ enum FormatType
+ {
+ Text, Number, Time, Date
+ };
+
+ enum ErrorCode
+ {
+ // transparent object occurred and was draw opaque because
+ // PDF/A does not allow transparency
+ Warning_Transparency_Omitted_PDFA,
+
+ // transparent object occurred but is only supported since
+ // PDF 1.4
+ Warning_Transparency_Omitted_PDF13,
+
+ // a form action was exported that is not suitable for PDF/A
+ // the action was skipped
+ Warning_FormAction_Omitted_PDFA,
+
+ // transparent objects were converted to a bitmap in order
+ // to removetransparencies from the output
+ Warning_Transparency_Converted,
+
+ // signature generation failed
+ Error_Signature_Failed,
+ };
+
+ struct UNLESS_MERGELIBS(VCL_DLLPUBLIC) AnyWidget
+ {
+ WidgetType Type; // primitive RTTI
+ public:
+ OUString Name; // a distinct name to identify the control
+ OUString Description;// descriptive text for the control (e.g. for tool tip)
+ OUString Text; // user text to appear on the control
+ DrawTextFlags TextStyle; // style flags
+ bool ReadOnly;
+ tools::Rectangle Location; // describes the area filled by the control
+ bool Border; // true: widget should have a border, false: no border
+ Color BorderColor;// COL_TRANSPARENT and Border=true means get color from application settings
+ bool Background; // true: widget shall draw its background, false: no background
+ Color BackgroundColor; // COL_TRANSPARENT and Background=true means get color from application settings
+ vcl::Font TextFont; // an empty font will be replaced by the
+ // appropriate font from the user settings
+ Color TextColor; // COL_TRANSPARENT will be replaced by the appropriate color from application settings
+ sal_Int32 TabOrder; // lowest number is first in tab order
+
+ /* style flags for text are those for OutputDevice::DrawText
+ allowed values are:
+ DrawTextFlags::Left, DrawTextFlags::Center, DrawTextFlags::Right, DrawTextFlags::Top,
+ DrawTextFlags::VCenter, DrawTextFlags::Bottom,
+ DrawTextFlags::MultiLine, DrawTextFlags::WordBreak
+
+ if TextStyle is 0, then each control will fill in default values
+ */
+
+ // note: the Name member comprises the field name of the resulting
+ // PDF field names need to be globally unique. Therefore if any
+ // Widget with an already used name is created, the name will be
+ // made unique by adding an underscore ('_') and an ascending number
+ // to the name.
+
+ AnyWidget( WidgetType eType ) :
+ Type( eType ),
+ TextStyle( DrawTextFlags::NONE ),
+ ReadOnly( false ),
+ Border( false ),
+ BorderColor( COL_TRANSPARENT ),
+ Background( false ),
+ BackgroundColor( COL_TRANSPARENT ),
+ TextColor( COL_TRANSPARENT ),
+ TabOrder( -1 )
+ {}
+ virtual ~AnyWidget();
+
+ WidgetType getType() const { return Type; }
+
+ virtual std::shared_ptr<AnyWidget> Clone() const = 0;
+
+ protected:
+ // note that this equals the default compiler-generated copy-ctor, but we want to have it
+ // protected, to only allow sub classes to access it
+ AnyWidget( const AnyWidget& rSource )
+ :Type( rSource.Type )
+ ,Name( rSource.Name )
+ ,Description( rSource.Description )
+ ,Text( rSource.Text )
+ ,TextStyle( rSource.TextStyle )
+ ,ReadOnly( rSource.ReadOnly )
+ ,Location( rSource.Location )
+ ,Border( rSource.Border )
+ ,BorderColor( rSource.BorderColor )
+ ,Background( rSource.Background )
+ ,BackgroundColor( rSource.BackgroundColor )
+ ,TextFont( rSource.TextFont )
+ ,TextColor( rSource.TextColor )
+ ,TabOrder( rSource.TabOrder )
+ {
+ }
+ AnyWidget& operator=( const AnyWidget& ); // never implemented
+ };
+
+ struct PushButtonWidget final : public AnyWidget
+ {
+ /* If Dest is set to a valid link destination,
+ Then pressing the button will act as a goto
+ action within the document.
+
+ Else:
+ An empty URL means this button will reset the form.
+
+ If URL is not empty and Submit is set, then the URL
+ contained will be set as the URL to submit the
+ form to. In this case the submit method will be
+ either GET if SubmitGet is true or POST if
+ SubmitGet is false.
+
+ If URL is not empty and Submit is clear, then
+ the URL contained will be interpreted as a
+ hyperlink to be executed on pushing the button.
+
+ There will be no error checking or any kind of
+ conversion done to the URL parameter execept this:
+ it will be output as 7bit Ascii. The URL
+ will appear literally in the PDF file produced
+ */
+ sal_Int32 Dest;
+ OUString URL;
+ bool Submit;
+ bool SubmitGet;
+
+ PushButtonWidget()
+ : AnyWidget( vcl::PDFWriter::PushButton ),
+ Dest( -1 ), Submit( false ), SubmitGet( false )
+ {}
+
+ virtual std::shared_ptr<AnyWidget> Clone() const override
+ {
+ return std::make_shared<PushButtonWidget>( *this );
+ }
+ };
+
+ struct CheckBoxWidget final : public AnyWidget
+ {
+ bool Checked;
+ OUString OnValue; // the value of the checkbox if it is selected
+ OUString OffValue; // the value of the checkbox if it is not selected
+
+ CheckBoxWidget()
+ : AnyWidget( vcl::PDFWriter::CheckBox ),
+ Checked( false )
+ {}
+
+ virtual std::shared_ptr<AnyWidget> Clone() const override
+ {
+ return std::make_shared<CheckBoxWidget>( *this );
+ }
+ };
+
+ struct RadioButtonWidget final : public AnyWidget
+ {
+ bool Selected;
+ sal_Int32 RadioGroup;
+ OUString OnValue; // the value of the radio button if it is selected
+ OUString OffValue; // the value of the radio button if it is not selected
+
+ RadioButtonWidget()
+ : AnyWidget( vcl::PDFWriter::RadioButton ),
+ Selected( false ),
+ RadioGroup( 0 )
+ {}
+
+ virtual std::shared_ptr<AnyWidget> Clone() const override
+ {
+ return std::make_shared<RadioButtonWidget>( *this );
+ }
+ // radio buttons having the same RadioGroup id comprise one
+ // logical radio button group, that is at most one of the RadioButtons
+ // in a group can be checked at any time
+ //
+ // note: a PDF radio button field consists of a named field
+ // containing unnamed checkbox child fields. The name of the
+ // radio button field is taken from the first RadioButtonWidget created
+ // in the group
+ };
+
+ struct EditWidget final : public AnyWidget
+ {
+ bool MultiLine; // whether multiple lines are allowed
+ bool Password; // visible echo off
+ bool FileSelect; // field is a file selector
+ sal_Int32 MaxLen; // maximum field length in characters, 0 means unlimited
+ FormatType Format;
+ OUString CurrencySymbol;
+ sal_Int32 DecimalAccuracy;
+ bool PrependCurrencySymbol;
+ OUString TimeFormat;
+ OUString DateFormat;
+
+ EditWidget()
+ : AnyWidget( vcl::PDFWriter::Edit ),
+ MultiLine( false ),
+ Password( false ),
+ FileSelect( false ),
+ MaxLen( 0 ),
+ Format( FormatType::Text ),
+ DecimalAccuracy ( 0 ),
+ PrependCurrencySymbol( false )
+ {}
+
+ virtual std::shared_ptr<AnyWidget> Clone() const override
+ {
+ return std::make_shared<EditWidget>( *this );
+ }
+ };
+
+ struct ListBoxWidget final : public AnyWidget
+ {
+ bool DropDown;
+ bool MultiSelect;
+ std::vector<OUString> Entries;
+ std::vector<sal_Int32> SelectedEntries;
+ // if MultiSelect is false only the first entry of SelectedEntries
+ // will be taken into account. the same is implicit for PDF < 1.4
+ // since multiselect is a 1.4+ feature
+
+ ListBoxWidget()
+ : AnyWidget( vcl::PDFWriter::ListBox ),
+ DropDown( false ),
+ MultiSelect( false )
+ {}
+
+ virtual std::shared_ptr<AnyWidget> Clone() const override
+ {
+ return std::make_shared<ListBoxWidget>( *this );
+ }
+ };
+
+ // note: PDF only supports dropdown comboboxes
+ struct ComboBoxWidget final : public AnyWidget
+ {
+ std::vector<OUString> Entries;
+ // set the current value in AnyWidget::Text
+
+ ComboBoxWidget()
+ : AnyWidget( vcl::PDFWriter::ComboBox )
+ {}
+
+ virtual std::shared_ptr<AnyWidget> Clone() const override
+ {
+ return std::make_shared<ComboBoxWidget>( *this );
+ }
+ };
+
+ struct SignatureWidget final : public AnyWidget
+ {
+ SignatureWidget()
+ : AnyWidget( vcl::PDFWriter::Signature )
+ {}
+
+ virtual std::shared_ptr<AnyWidget> Clone() const override
+ {
+ return std::make_shared<SignatureWidget>( *this );
+ }
+ };
+
+ enum ExportDataFormat { HTML, XML, FDF, PDF };
+// see 3.6.1 of PDF 1.4 ref for details, used for 8.1 PDF v 1.4 ref also
+// These emuns are treated as integer while reading/writing to configuration
+ enum PDFViewerPageMode
+ {
+ ModeDefault,
+ UseOutlines,
+ UseThumbs
+ };
+// These emuns are treated as integer while reading/writing to configuration
+ enum PDFViewerAction
+ {
+ ActionDefault,
+ FitInWindow,
+ FitWidth,
+ FitVisible,
+ ActionZoom
+ };
+// These enums are treated as integer while reading/writing to configuration
+ enum PDFPageLayout
+ {
+ DefaultLayout,
+ SinglePage,
+ Continuous,
+ ContinuousFacing
+ };
+
+ // These emuns are treated as integer while reading/writing to configuration
+ //what default action to generate in a PDF hyperlink to external document/site
+ enum PDFLinkDefaultAction
+ {
+ URIAction,
+ URIActionDestination,
+ LaunchAction
+ };
+
+/*
+The following structure describes the permissions used in PDF security
+ */
+ struct PDFEncryptionProperties
+ {
+
+ //for both 40 and 128 bit security, see 3.5.2 PDF v 1.4 table 3.15, v 1.5 and v 1.6 table 3.20.
+ bool CanPrintTheDocument;
+ bool CanModifyTheContent;
+ bool CanCopyOrExtract;
+ bool CanAddOrModify;
+ //for revision 3 (bit 128 security) only
+ bool CanFillInteractive;
+ bool CanExtractForAccessibility;
+ bool CanAssemble;
+ bool CanPrintFull;
+
+ // encryption will only happen if EncryptionKey is not empty
+ // EncryptionKey is actually a construct out of OValue, UValue and DocumentIdentifier
+ // if these do not match, behavior is undefined, most likely an invalid PDF will be produced
+ // OValue, UValue, EncryptionKey and DocumentIdentifier can be computed from
+ // PDFDocInfo, Owner password and User password used the InitEncryption method which
+ // implements the algorithms described in the PDF reference chapter 3.5: Encryption
+ std::vector<sal_uInt8> OValue;
+ std::vector<sal_uInt8> UValue;
+ std::vector<sal_uInt8> EncryptionKey;
+ std::vector<sal_uInt8> DocumentIdentifier;
+
+ //permission default set for 128 bit, accessibility only
+ PDFEncryptionProperties() :
+ CanPrintTheDocument ( false ),
+ CanModifyTheContent ( false ),
+ CanCopyOrExtract ( false ),
+ CanAddOrModify ( false ),
+ CanFillInteractive ( false ),
+ CanExtractForAccessibility ( true ),
+ CanAssemble ( false ),
+ CanPrintFull ( false )
+ {}
+
+
+ bool Encrypt() const
+ { return ! OValue.empty() && ! UValue.empty() && ! DocumentIdentifier.empty(); }
+ };
+
+ struct PDFDocInfo
+ {
+ OUString Title; // document title
+ OUString Author; // document author
+ OUString Subject; // subject
+ OUString Keywords; // keywords
+ OUString Creator; // application that created the original document
+ OUString Producer; // OpenOffice
+ };
+
+ enum ColorMode
+ {
+ DrawColor, DrawGreyscale
+ };
+
+ struct PDFWriterContext
+ {
+ /* must be a valid file: URL usable by osl */
+ OUString URL;
+ /* the URL of the document being exported, used for relative links*/
+ OUString BaseURL;
+ /*if relative to file system should be formed*/
+ bool RelFsys;//i56629, i49415?, i64585?
+ /*the action to set the PDF hyperlink to*/
+ PDFWriter::PDFLinkDefaultAction DefaultLinkAction;
+ //convert the .od? target file type in a link to a .pdf type
+ //this is examined before doing anything else
+ bool ConvertOOoTargetToPDFTarget;
+ //when the file type is .pdf, force the GoToR action
+ bool ForcePDFAction;
+
+ /* decides the PDF language level to be produced */
+ PDFVersion Version;
+
+ /* PDF/UA compliance */
+ bool UniversalAccessibilityCompliance;
+
+ /* valid for PDF >= 1.4
+ causes the MarkInfo entry in the document catalog to be set
+ */
+ bool Tagged;
+ /* determines in which format a form
+ will be submitted.
+ */
+ PDFWriter::ExportDataFormat SubmitFormat;
+ bool AllowDuplicateFieldNames;
+ /* the following data members are used to customize the PDF viewer
+ preferences
+ */
+ /* see 3.6.1 PDF v 1.4 ref*/
+ PDFWriter::PDFViewerPageMode PDFDocumentMode;
+ PDFWriter::PDFViewerAction PDFDocumentAction;
+ // in percent, valid only if PDFDocumentAction == ActionZoom
+ sal_Int32 Zoom;
+
+ /* see 8.6 PDF v 1.4 ref
+ specifies whether to hide the viewer tool
+ bars when the document is active.
+ */
+ bool HideViewerToolbar;
+ bool HideViewerMenubar;
+ bool HideViewerWindowControls;
+ bool FitWindow;
+ bool OpenInFullScreenMode;
+ bool CenterWindow;
+ bool DisplayPDFDocumentTitle;
+ PDFPageLayout PageLayout;
+ bool FirstPageLeft;
+ // initially visible page in viewer (starting with 0 for first page)
+ sal_Int32 InitialPage;
+ sal_Int32 OpenBookmarkLevels; // -1 means all levels
+
+ PDFWriter::PDFEncryptionProperties Encryption;
+ PDFWriter::PDFDocInfo DocumentInfo;
+
+ bool SignPDF;
+ OUString SignLocation;
+ OUString SignPassword;
+ OUString SignReason;
+ OUString SignContact;
+ css::lang::Locale DocumentLocale; // defines the document default language
+ sal_uInt32 DPIx, DPIy; // how to handle MapMode( MapUnit::MapPixel )
+ // 0 here specifies a default handling
+ PDFWriter::ColorMode ColorMode;
+ css::uno::Reference< css::security::XCertificate> SignCertificate;
+ OUString SignTSA;
+ /// Use reference XObject markup for PDF images.
+ bool UseReferenceXObject;
+
+ PDFWriterContext() :
+ RelFsys( false ), //i56629, i49415?, i64585?
+ DefaultLinkAction( PDFWriter::URIAction ),
+ ConvertOOoTargetToPDFTarget( false ),
+ ForcePDFAction( false ),
+ Version( PDFWriter::PDFVersion::PDF_1_6 ),
+ UniversalAccessibilityCompliance( false ),
+ Tagged( false ),
+ SubmitFormat( PDFWriter::FDF ),
+ AllowDuplicateFieldNames( false ),
+ PDFDocumentMode( PDFWriter::ModeDefault ),
+ PDFDocumentAction( PDFWriter::ActionDefault ),
+ Zoom( 100 ),
+ HideViewerToolbar( false ),
+ HideViewerMenubar( false ),
+ HideViewerWindowControls( false ),
+ FitWindow( false ),
+ OpenInFullScreenMode( false ),
+ CenterWindow( false ),
+ DisplayPDFDocumentTitle( true ),
+ PageLayout( PDFWriter::DefaultLayout ),
+ FirstPageLeft( false ),
+ InitialPage( 1 ),
+ OpenBookmarkLevels( -1 ),
+ SignPDF( false ),
+ DPIx( 0 ),
+ DPIy( 0 ),
+ ColorMode( PDFWriter::DrawColor ),
+ UseReferenceXObject( false )
+ {}
+ };
+
+ PDFWriter( const PDFWriterContext& rContext, const css::uno::Reference< css::beans::XMaterialHolder >& );
+ ~PDFWriter();
+
+ /** Returns an OutputDevice for formatting
+ This Output device is guaranteed to use the same
+ font metrics as the resulting PDF file.
+
+ @returns
+ the reference output device
+ */
+ OutputDevice* GetReferenceDevice();
+
+ /** Creates a new page to fill
+ If width and height are not set the page size
+ is inherited from the page tree
+ other effects:
+ resets the graphics state: MapMode, Font
+ Colors and other state information MUST
+ be set again or are undefined.
+ */
+ void NewPage( double nPageWidth, double nPageHeight, Orientation eOrientation = Orientation::Inherit );
+ /** Play a metafile like an outputdevice would do
+ */
+ struct PlayMetafileContext
+ {
+ int m_nMaxImageResolution;
+ bool m_bOnlyLosslessCompression;
+ int m_nJPEGQuality;
+ bool m_bTransparenciesWereRemoved;
+
+ PlayMetafileContext()
+ : m_nMaxImageResolution( 0 )
+ , m_bOnlyLosslessCompression( false )
+ , m_nJPEGQuality( 90 )
+ , m_bTransparenciesWereRemoved( false )
+ {}
+
+ };
+ void PlayMetafile( const GDIMetaFile&, const PlayMetafileContext&, vcl::PDFExtOutDevData* pDevDat = nullptr );
+
+ /* sets the document locale originally passed with the context to a new value
+ * only affects the output if used before calling Emit.
+ */
+ void SetDocumentLocale( const css::lang::Locale& rDocLocale );
+
+ /* finishes the file */
+ bool Emit();
+
+ /*
+ * Get a list of errors that occurred during processing
+ * this should enable the producer to give feedback about
+ * any anomalies that might have occurred
+ */
+ std::set< ErrorCode > const & GetErrors() const;
+
+ // uses 128bit encryption
+ static css::uno::Reference< css::beans::XMaterialHolder >
+ InitEncryption( const OUString& i_rOwnerPassword,
+ const OUString& i_rUserPassword
+ );
+
+ /* functions for graphics state */
+ /* flag values: see vcl/outdev.hxx */
+ void Push( PushFlags nFlags = PushFlags::ALL );
+ void Pop();
+
+ void SetClipRegion();
+ void SetClipRegion( const basegfx::B2DPolyPolygon& rRegion );
+ void MoveClipRegion( tools::Long nHorzMove, tools::Long nVertMove );
+ void IntersectClipRegion( const tools::Rectangle& rRect );
+ void IntersectClipRegion( const basegfx::B2DPolyPolygon& rRegion );
+
+ void SetLayoutMode( vcl::text::ComplexTextLayoutFlags nMode );
+ void SetDigitLanguage( LanguageType eLang );
+
+ void SetLineColor( const Color& rColor );
+ void SetLineColor() { SetLineColor( COL_TRANSPARENT ); }
+
+ void SetFillColor( const Color& rColor );
+ void SetFillColor() { SetFillColor( COL_TRANSPARENT ); }
+
+ void SetFont( const vcl::Font& rNewFont );
+ void SetTextColor( const Color& rColor );
+ void SetTextFillColor();
+ void SetTextFillColor( const Color& rColor );
+
+ void SetTextLineColor();
+ void SetTextLineColor( const Color& rColor );
+ void SetOverlineColor();
+ void SetOverlineColor( const Color& rColor );
+ void SetTextAlign( ::TextAlign eAlign );
+
+ void SetMapMode( const MapMode& rNewMapMode );
+
+
+ /* actual drawing functions */
+ void DrawText( const Point& rPos, const OUString& rText );
+
+ void DrawTextLine( const Point& rPos, tools::Long nWidth,
+ FontStrikeout eStrikeout,
+ FontLineStyle eUnderline,
+ FontLineStyle eOverline );
+ void DrawTextArray( const Point& rStartPt, const OUString& rStr,
+ o3tl::span<const sal_Int32> pDXAry,
+ sal_Int32 nIndex,
+ sal_Int32 nLen );
+ void DrawStretchText( const Point& rStartPt, sal_uLong nWidth,
+ const OUString& rStr,
+ sal_Int32 nIndex, sal_Int32 nLen );
+ void DrawText( const tools::Rectangle& rRect,
+ const OUString& rStr, DrawTextFlags nStyle );
+
+ void DrawPixel( const Point& rPt, const Color& rColor );
+ void DrawPixel( const Point& rPt )
+ { DrawPixel( rPt, COL_TRANSPARENT ); }
+
+ void DrawLine( const Point& rStartPt, const Point& rEndPt );
+ void DrawLine( const Point& rStartPt, const Point& rEndPt,
+ const LineInfo& rLineInfo );
+ void DrawPolyLine( const tools::Polygon& rPoly );
+ void DrawPolyLine( const tools::Polygon& rPoly,
+ const LineInfo& rLineInfo );
+ void DrawPolyLine( const tools::Polygon& rPoly, const ExtLineInfo& rInfo );
+ void DrawPolygon( const tools::Polygon& rPoly );
+ void DrawPolyPolygon( const tools::PolyPolygon& rPolyPoly );
+ void DrawRect( const tools::Rectangle& rRect );
+ void DrawRect( const tools::Rectangle& rRect,
+ sal_uLong nHorzRount, sal_uLong nVertRound );
+ void DrawEllipse( const tools::Rectangle& rRect );
+ void DrawArc( const tools::Rectangle& rRect,
+ const Point& rStartPt, const Point& rEndPt );
+ void DrawPie( const tools::Rectangle& rRect,
+ const Point& rStartPt, const Point& rEndPt );
+ void DrawChord( const tools::Rectangle& rRect,
+ const Point& rStartPt, const Point& rEndPt );
+
+ void DrawBitmap( const Point& rDestPt, const Size& rDestSize,
+ const Bitmap& rBitmap, const Graphic& rGraphic );
+
+ void DrawBitmapEx( const Point& rDestPt, const Size& rDestSize,
+ const BitmapEx& rBitmapEx );
+
+ void DrawGradient( const tools::Rectangle& rRect, const Gradient& rGradient );
+ void DrawGradient( const tools::PolyPolygon& rPolyPoly, const Gradient& rGradient );
+
+ void DrawHatch( const tools::PolyPolygon& rPolyPoly, const Hatch& rHatch );
+
+ void DrawWallpaper( const tools::Rectangle& rRect, const Wallpaper& rWallpaper );
+ void DrawTransparent( const tools::PolyPolygon& rPolyPoly,
+ sal_uInt16 nTransparencePercent );
+
+ /** Start a transparency group
+
+ Drawing operations can be grouped together to acquire a common transparency
+ behaviour; after calling BeginTransparencyGroup all drawing
+ operations will be grouped together into a transparent object.
+
+ The transparency behaviour is set with one of the EndTransparencyGroup
+ calls and can be either a constant transparency factor or a transparent
+ soft mask in form of an 8 bit gray scale bitmap.
+
+ It is permissible to nest transparency group.
+
+ Transparency groups MUST NOT span multiple pages
+
+ Transparency is a feature introduced in PDF1.4, so transparency group
+ will be ignored if the produced PDF has a lower version. The drawing
+ operations will be emitted normally.
+ */
+ void BeginTransparencyGroup();
+
+ /** End a transparency group with constant transparency factor
+
+ This ends a transparency group and inserts it on the current page. The
+ coordinates of the group result out of the grouped drawing operations.
+
+ @param rBoundRect
+ The bounding rectangle of the group
+
+ @param nTransparencePercent
+ The transparency factor
+ */
+ void EndTransparencyGroup( const tools::Rectangle& rBoundRect, sal_uInt16 nTransparencePercent );
+
+ /** Insert a JPG encoded image (optionally with mask)
+
+ @param rJPGData
+ a Stream containing the encoded image
+
+ @param bIsTrueColor
+ true: jpeg is 24 bit true color, false: jpeg is 8 bit greyscale
+
+ @param rSrcSizePixel
+ size in pixel of the image
+
+ @param rTargetArea
+ where to put the image
+
+ @param rMask
+ optional mask; if not empty it must have
+ the same pixel size as the image and
+ be either 1 bit black&white or 8 bit grey
+ */
+ void DrawJPGBitmap( SvStream& rJPGData, bool bIsTrueColor, const Size& rSrcSizePixel, const tools::Rectangle& rTargetArea, const AlphaMask& rAlphaMask, const Graphic& rGraphic );
+
+ /** Create a new named destination to be used in a link from another PDF document
+
+ @param sDestName
+ the name (label) of the bookmark, to be used to jump to
+
+ @param rRect
+ target rectangle on page to be displayed if dest is jumped to
+
+ @param nPageNr
+ number of page the dest is on (as returned by NewPage)
+ or -1 in which case the current page is used
+
+ @param eType
+ what dest type to use
+
+ @returns
+ the destination id (to be used in SetLinkDest) or
+ -1 if page id does not exist
+ */
+ sal_Int32 CreateNamedDest( const OUString& sDestName, const tools::Rectangle& rRect, sal_Int32 nPageNr, DestAreaType eType );
+ /** Create a new destination to be used in a link
+
+ @param rRect
+ target rectangle on page to be displayed if dest is jumped to
+
+ @param nPageNr
+ number of page the dest is on (as returned by NewPage)
+ or -1 in which case the current page is used
+
+ @param eType
+ what dest type to use
+
+ @returns
+ the destination id (to be used in SetLinkDest) or
+ -1 if page id does not exist
+ */
+ sal_Int32 CreateDest( const tools::Rectangle& rRect, sal_Int32 nPageNr, DestAreaType eType );
+ /** Create a new link on a page
+
+ @param rRect
+ active rectangle of the link (that is the area that has to be
+ hit to activate the link)
+
+ @param nPageNr
+ number of page the link is on (as returned by NewPage)
+ or -1 in which case the current page is used
+
+ @returns
+ the link id (to be used in SetLinkDest, SetLinkURL) or
+ -1 if page id does not exist
+ */
+ sal_Int32 CreateLink(const tools::Rectangle& rRect, sal_Int32 nPageNr, OUString const& rAltText);
+
+ /// Creates a screen annotation.
+ sal_Int32 CreateScreen(const tools::Rectangle& rRect, sal_Int32 nPageNr);
+
+ /** creates a destination which is not intended to be referred to by a link, but by a public destination Id.
+
+ Form widgets, for instance, might refer to a destination, without ever actually creating a source link to
+ point to this destination. In such cases, a public destination Id will be assigned to the form widget,
+ and later on, the concrete destination data for this public Id will be registered using RegisterDestReference.
+
+ @param nDestId
+ destination ID
+
+ @param rRect
+ target rectangle on page to be displayed if dest is jumped to
+
+ @param nPageNr
+ number of page the dest is on (as returned by NewPage)
+ or -1 in which case the current page is used
+
+ @param eType
+ what dest type to use
+
+ @returns
+ the internal destination Id.
+ */
+ sal_Int32 RegisterDestReference( sal_Int32 nDestId, const tools::Rectangle& rRect, sal_Int32 nPageNr, DestAreaType eType );
+
+
+ /** Set the destination for a link
+ will change a URL type link to a dest link if necessary
+
+ @param nLinkId
+ the link to be changed
+
+ @param nDestId
+ the dest the link shall point to
+ */
+ void SetLinkDest( sal_Int32 nLinkId, sal_Int32 nDestId );
+ /** Set the URL for a link
+ will change a dest type link to a URL type link if necessary
+ @param nLinkId
+ the link to be changed
+
+ @param rURL
+ the URL the link shall point to.
+ The URL will be parsed (and corrected) by the com.sun.star.util.URLTransformer
+ service; the result will then appear literally in the PDF file produced
+ */
+ void SetLinkURL( sal_Int32 nLinkId, const OUString& rURL );
+
+ /// Sets the URL of a linked screen annotation.
+ void SetScreenURL(sal_Int32 nScreenId, const OUString& rURL);
+ /// Sets the URL of an embedded screen annotation.
+ void SetScreenStream(sal_Int32 nScreenId, const OUString& rURL);
+
+ /** Resolve link in logical structure
+
+ If a link is created after the corresponding visual appearance was drawn
+ it is not possible to set the link id as a property attribute to the
+ link structure item that should be created in tagged PDF around the
+ visual appearance of a link.
+
+ For this reason an arbitrary id can be given to
+ SetStructureAttributeNumerical at the time the text for
+ the link is drawn. To resolve this arbitrary id again when the actual
+ link annotation is created use SetLinkPropertyID. When Emit
+ finally gets called all LinkAnnotation type structure attributes
+ will be replaced with the correct link id.
+
+ CAUTION: this technique must be used either for all or none of the links
+ in a document since the link id space and arbitrary property id space
+ could overlap and it would be impossible to resolve whether a Link
+ structure attribute value was arbitrary or already a real id.
+
+ @param nLinkId
+ the link to be mapped
+
+ @param nPropertyID
+ the arbitrary id set in a Link structure element to address
+ the link with real id nLinkId
+ */
+ void SetLinkPropertyID( sal_Int32 nLinkId, sal_Int32 nPropertyID );
+ /** Create a new outline item
+
+ @param nParent
+ declares the parent of the new item in the outline hierarchy.
+ An invalid value will result in a new toplevel item.
+
+ @param rText
+ sets the title text of the item
+
+ @param nDestID
+ declares which Dest (created with CreateDest) the outline item
+ will point to
+
+ @returns
+ the outline item id of the new item
+ */
+ sal_Int32 CreateOutlineItem( sal_Int32 nParent, std::u16string_view rText, sal_Int32 nDestID );
+
+ /** Create a new note on a page
+
+ @param rRect
+ active rectangle of the note (that is the area that has to be
+ hit to popup the annotation)
+
+ @param rNote
+ specifies the contents of the note
+
+ @param nPageNr
+ number of page the note is on (as returned by NewPage)
+ or -1 in which case the current page is used
+ */
+ void CreateNote( const tools::Rectangle& rRect, const PDFNote& rNote, sal_Int32 nPageNr );
+
+ /** begin a new logical structure element
+
+ BeginStructureElement/EndStructureElement calls build the logical structure
+ of the PDF - the basis for tagged PDF. Structural elements are implemented
+ using marked content tags. Each structural element can contain sub elements
+ (e.g. a section can contain a heading and a paragraph). The structure hierarchy
+ is build automatically from the Begin/EndStructureElement calls.
+
+ A structural element need not be contained on one page; e.g. paragraphs often
+ run from one page to the next. In this case the corresponding EndStructureElement
+ must be called while drawing the next page.
+
+ BeginStructureElement and EndStructureElement must be called only after
+ PDFWriter::NewPage has been called and before PDFWriter::Emit gets called. The
+ current page number is an implicit context parameter for Begin/EndStructureElement.
+
+ For pagination artifacts that are not part of the logical structure
+ of the document (like header, footer or page number) the special
+ StructElement NonStructElement exists. To place content
+ outside of the structure tree simply call
+ BeginStructureElement( NonStructElement ) then draw your
+ content and then call EndStructureElement(). All children
+ of a NonStructElement will not be part of the structure.
+ Nonetheless if you add a child structural element to a
+ NonStructElement you will still have to call
+ EndStructureElement for it. Best think of the structure
+ tree as a stack.
+
+ Note: there is always one structural element in existence without having
+ called BeginStructureElement; this is the root of the structure
+ tree (called StructTreeRoot). The StructTreeRoot has always the id 0.
+
+ @param eType
+ denotes what kind of element to begin (e.g. a heading or paragraph)
+
+ @param rAlias
+ the specified alias will be used as structure tag. Also an entry in the PDF's
+ role map will be created mapping alias to regular structure type.
+
+ @returns
+ the new structure element's id for use in SetCurrentStructureElement
+ */
+ sal_Int32 BeginStructureElement( enum StructElement eType, const OUString& rAlias );
+ /** end the current logical structure element
+
+ Close the current structure element. The current element's
+ parent becomes the current structure element again.
+
+ @see BeginStructureElement
+ */
+ void EndStructureElement();
+ /** set the current structure element
+
+ For different purposes it may be useful to paint a structure element's
+ content discontinuously. In that case an already existing structure element
+ can be appended to by using SetCurrentStructureElement. The
+ referenced structure element becomes the current structure element with
+ all consequences: all following structure elements are appended as children
+ of the current element.
+
+ @param nElement
+ the id of the new current structure element
+ */
+ void SetCurrentStructureElement( sal_Int32 nElement );
+
+ /** set a structure attribute on the current structural element
+
+ SetStructureAttribute sets an attribute of the current structural element to a
+ new value. A consistency check is performed before actually setting the value;
+ if the check fails, the function returns False and the attribute remains
+ unchanged.
+
+ @param eAttr
+ denotes what attribute to change
+
+ @param eVal
+ the value to set the attribute to
+ */
+ void SetStructureAttribute( enum StructAttribute eAttr, enum StructAttributeValue eVal );
+ /** set a structure attribute on the current structural element
+
+ SetStructureAttributeNumerical sets an attribute of the current structural element
+ to a new numerical value. A consistency check is performed before actually setting
+ the value; if the check fails, the function returns False and the attribute
+ remains unchanged.
+
+ @param eAttr
+ denotes what attribute to change
+
+ @param nValue
+ the value to set the attribute to
+ */
+ void SetStructureAttributeNumerical( enum StructAttribute eAttr, sal_Int32 nValue );
+ /** set the bounding box of a structural element
+
+ SetStructureBoundingBox sets the BBox attribute to a new value. Since the BBox
+ attribute can only be applied to Table, Figure,
+ Form and Formula elements, a call of this function
+ for other element types will be ignored and the BBox attribute not be set.
+
+ @param rRect
+ the new bounding box for the structural element
+ */
+ void SetStructureBoundingBox( const tools::Rectangle& rRect );
+
+ /** set the ActualText attribute of a structural element
+
+ ActualText contains the Unicode text without layout artifacts that is shown by
+ a structural element. For example if a line is ended prematurely with a break in
+ a word and continued on the next line (e.g. "happen-<newline>stance") the
+ corresponding ActualText would contain the unbroken line (e.g. "happenstance").
+
+ @param rText
+ contains the complete logical text the structural element displays.
+ */
+ void SetActualText( const OUString& rText );
+
+ /** set the Alt attribute of a strutural element
+
+ Alt is s replacement text describing the contents of a structural element. This
+ is mainly used by accessibility applications; e.g. a screen reader would read
+ the Alt replacement text for an image to a visually impaired user.
+
+ @param rText
+ contains the replacement text for the structural element
+ */
+ void SetAlternateText( const OUString& rText );
+
+ /** Sets the transitional effect to be applied when the current page gets shown.
+
+ @param eType
+ the kind of effect to be used; use Regular to disable transitional effects
+ for this page
+
+ @param nMilliSec
+ the duration of the transitional effect in milliseconds;
+ set 0 to disable transitional effects
+
+ @param nPageNr
+ the page number to apply the effect to; -1 denotes the current page
+ */
+ void SetPageTransition( PageTransition eType, sal_uInt32 nMilliSec, sal_Int32 nPageNr );
+
+ /** create a new form control
+
+ This function creates a new form control in the PDF and sets its various
+ properties. Do not pass an actual AnyWidget as rControlType
+ will be cast to the type described by the type member.
+
+ @param rControlType
+ a descendant of AnyWidget determining the control's properties
+
+ @returns
+ the new control's id for reference purposes
+ */
+ sal_Int32 CreateControl( const AnyWidget& rControlType );
+
+ /** Inserts an additional stream to the PDF file
+
+ This function adds an arbitrary stream to the produced PDF file. May be called
+ any time before Emit(). The stream will be written during
+ Emit by calling the PDFOutputStream Object's write
+ method. After the call the PDFOutputStream will be deleted.
+
+ All additional streams and their mimetypes will be entered into an array
+ in the trailer dictionary.
+
+ @param rMimeType
+ the mimetype of the stream
+
+ @param pStream
+ the interface to the additional stream
+
+ */
+ void AddStream( const OUString& rMimeType, PDFOutputStream* pStream );
+
+ /// Write rString as a PDF hex string into rBuffer.
+ static void AppendUnicodeTextString(const OUString& rString, OStringBuffer& rBuffer);
+
+ /// Get current date/time in PDF D:YYYYMMDDHHMMSS form.
+ static OString GetDateTime();
+};
+
+VCL_DLLPUBLIC void escapeStringXML( const OUString& rStr, OUString &rValue);
+
+}
+
+#endif // INCLUDED_VCL_PDFWRITER_HXX
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
generated by cgit v1.2.3 (git 2.39.1) at 2024-11-14 18:20:31 +0000