qlabpdf.h

#ifndef QLABPDF_H
#define QLABPDF_H

#include <qobject.h>
#include <qvariant.h>

// Constant definitions. Never change them.
#define PDFVERSION "PDF 1.3"

// Forward class declarations
class QlabPdf_priv ;            // Our internal private class
class QlabPdfFont ;                     // Pdf Font Definitions
class QlabPdfColor ;            // Pdf Color definitions
class QStringList ;                     // Needed for Font List

// Module definitions
typedef struct {
        double top ;
        double left ;
        double bottom ;
        double right ;
} PdfMargins ;

typedef QMap< QString, QlabPdfFont * > PdfFonts ;
typedef QMap< QString, QlabPdfColor * > PdfPalette ;

class Q_EXPORT QlabPdf : public QObject
{
        Q_OBJECT ;

        Q_ENUMS( PdfEncodings ) ;
        Q_ENUMS( PdfMetrics ) ;
        Q_ENUMS( PdfPageSize ) ;
        Q_ENUMS( PdfPageCrop ) ;
        Q_ENUMS( PdfPageOrientation ) ;
        Q_ENUMS( PdfResolver ) ;
        Q_ENUMS( PdfColorModes ) ;
        Q_ENUMS( PdfErrors ) ;
        Q_ENUMS( PdfWarnings ) ;

        Q_PROPERTY( QString fileName READ fileName WRITE setFileName ) ;
        Q_PROPERTY( QString documentTitle READ documentTitle WRITE setDocumentTitle ) ;
        Q_PROPERTY( PdfEncodings documentEncoding READ documentEncoding WRITE setDocumentEncoding ) ;
        Q_PROPERTY( QString documentAuthor READ documentAuthor WRITE setDocumentAuthor ) ;


public :
        enum PdfEncodings { HostEncoding,               
                                                WinAnsiEncoding,        
                                                MacEncoding,            
                                                EbcdicEncoding          
                                          } ;
        enum PdfMetrics { DotMetrics,                   
                                          DecipointMetrics,             
                                          CentimeterMetrics,    
                                          MillimeterMetrics,    
                                          InchMetrics,                  
                                          Inch10Metrics                 
                                        } ;
        enum PdfPageSize { A0, A1, A2, A3, A4, A5, A6, B5, Letter, Legal,
                                           Ledger, LedgerL, UserDefinedPage } ;
        enum PdfPageCrop { DefaultCrop,                 
                                           MediaBox,                    
                                           CropBox,                             
                                           TrimBox,                             
                                           ArtBox,                              
                                           BleedBox                             
                                         } ;
        /*
                \enum
                \brief Page Orientation
        */
        enum PdfPageOrientation { Portrait,             
                                                          Landscape             
                                                        } ;
        enum PdfResolver { TopLeft,                             
                                           BottomLeft                   
                                         } ;
        enum PdfColorModes { Gray,                              
                                                 Rgb,                           
                                                 Cmyk                           
                                           } ;

        enum PdfErrors { ParameterError                 
                                   } ;
        enum PdfWarnings { UndefinedColor               
                                         } ;
        QlabPdf( const QString & fileName = 0, QObject * parent = 0, char * name = 0 ) ;
        ~QlabPdf() ;

        void setParameter( const QString & pname, const QVariant & value ) ;
        QVariant parameter( const QString & pname ) const ;

public slots :
        QString fileName() const ;
        void setFileName( const QString & f ) ;
        QString documentTitle() const ;
        void setDocumentTitle( const QString & docTitle ) ;
        PdfEncodings documentEncoding() const ;
        void setDocumentEncoding( PdfEncodings newEncoding ) ;
        QString documentAuthor() const ;
        void setDocumentAuthor( const QString & docAuthor ) ;
        PdfPageSize pageSize() const ;
        void setPageSize( PdfPageSize newSize ) ;
        void setPdfPageSize( uint width, uint height ) ;
        void setPageCrop( PdfPageCrop newCrop ) ;
        void pageCrop() const ;
        PdfPageOrientation pageOrientation() const ;
        void setPageOrientation( PdfPageOrientation orient ) ;
        void setMargins( double top, double left, double bottom, double right ) ;
        QlabPdfColor color() const ;
        void setColor( const QString & color ) ;
        void setColor( PdfColorModes newMode = Gray, double color0 = 0.0,
                                   double color1 = 0.0, double color2 = 0.0, double color3 = 0.0 ) ;

        void drawLine( double xstart, double ystart, double xend, double yend,
                                   uint width = 1, const QString & color = 0 ) ;
        void drawRectangle( double top, double left, double bottom, double right,
                                                uint width = 1, const QString & color = 0 ) ;
        void drawFilledRectangle( double top, double left, double bottom, double right,
                                                          uint width = 1, const QString & color = 0 ) ;
        void startNewPage( bool closePage = TRUE ) ;
        QString closeDocument() ;
        QStringList internalFonts() const ;

signals :
        error( uint errNum, const QString & errMsg ) ;
        warning( uint warnNum, const QString & wanrMsg ) ;

protected :

protected slots :
        double scale() const ;
        void setScale( double newScale ) ;

private :
        void buildDefaultPalette() ;

        QString file ;                          
        QString title ;                         
        PdfEncodings encoding ;         
        QString author ;                        
        double activeScale ;            
        double savedScale ;                     
        PdfMetrics metrics;                     
        PdfPageSize pageSizeCode ;      
        PdfPageCrop pageCropping ;      
        PdfPageOrientation orientation ;        
        PdfMargins documentMargins ;    
        PdfResolver resolver ;          
        PdfFonts fonts ;                        
        PdfPalette palette ;            
        QlabPdf_priv * document ;       
        uint pageWidth ;                        
        uint pageHeight ;                       
        PdfMargins pageMargins ;        
        uint pageNo ;                           
        QlabPdfFont * activeFont ;      
        bool pageWritten ;                      
        QlabPdfColor * activeColor ;    
} ;

#endif // QLABPDF_H