imap.hxx

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 *   Licensed to the Apache Software Foundation (ASF) under one or more
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#ifndef INCLUDED_VCL_IMAP_HXX
#define INCLUDED_VCL_IMAP_HXX

#include <vcl/imapobj.hxx>
#include <vcl/dllapi.h>
#include <tools/stream.hxx>
#include <tools/solar.h>
#include <memory>
#include <vector>

class Point;
class Size;
class Fraction;
class IMapObject;

class VCL_DLLPUBLIC ImageMap final
{
private:

    std::vector<std::unique_ptr<IMapObject>> maList;
    OUString                     aName;

    // binary saving/loading
    void                ImpWriteImageMap( SvStream& rOStm ) const ;
    void                ImpReadImageMap( SvStream& rIStm, size_t nCount );

    // Import/Export
    void                ImpWriteCERN( SvStream& rOStm ) const;
    void                ImpWriteNCSA( SvStream& rOStm ) const;
    void                ImpReadCERN( SvStream& rOStm );
    void                ImpReadNCSA( SvStream& rOStm );

    void                ImpReadCERNLine( const OString& rLine );
    static Point        ImpReadCERNCoords( const char** ppStr );
    static long         ImpReadCERNRadius( const char** ppStr );
    static OUString     ImpReadCERNURL( const char** ppStr );

    void                ImpReadNCSALine( const OString& rLine );
    static OUString     ImpReadNCSAURL( const char** ppStr );
    static Point        ImpReadNCSACoords( const char** ppStr );

    static sal_uLong    ImpDetectFormat( SvStream& rIStm );

public:

                        ImageMap() {};
                        ImageMap( const OUString& rName );
                        ImageMap( const ImageMap& rImageMap );

                        // all IMapObjects are destroyed in the destructor
                        ~ImageMap();

    ImageMap&           operator=( const ImageMap& rImageMap );

    // comparison (everything is checked for equality)
    bool                operator==( const ImageMap& rImageMap );
    bool                operator!=( const ImageMap& rImageMap );

    // a new IMap object is inserted at the end of the Map
    void                InsertIMapObject( const IMapObject& rIMapObject );
    void                InsertIMapObject( std::unique_ptr<IMapObject> rIMapObject );

    // access to the single ImapObjects; the objects may
    // not be destroyed from outside
    IMapObject*         GetIMapObject( size_t nPos ) const
                        {
                            return ( nPos < maList.size() ) ? maList[ nPos ].get() : nullptr;
                        }

    // returns the object which was hit first or NULL;
    // size and position values are in 1/100mm;
    // rTotalSize is the original size of the image
    // rDisplaySize is the current size;
    // rRelPoint relates to the display size and the upper left
    // corner of the image
    IMapObject*         GetHitIMapObject( const Size& rOriginalSize,
                                          const Size& rDisplaySize,
                                          const Point& rRelHitPoint,
                                          sal_uLong nFlags = 0 );

    // returns the total amount of IMap objects
    size_t              GetIMapObjectCount() const { return maList.size(); }

    // deletes all internal objects
    void                ClearImageMap();

    const OUString&     GetName() const { return aName; }
    void                SetName( const OUString& rName ) { aName = rName; }

    // scales all objects of the ImageMap according to the given factor
    void                Scale( const Fraction& rFractX, const Fraction& rFracY );

    // Import/Export
    void                Write ( SvStream& rOStm ) const;
    void                Read( SvStream& rIStm );

    void                Write( SvStream& rOStm, sal_uLong nFormat ) const;
    sal_uLong           Read( SvStream& rIStm, sal_uLong nFormat );
};

class IMapCompat
{
    SvStream*       pRWStm;
    sal_uInt64      nCompatPos;
    sal_uInt64      nTotalSize;
    StreamMode const nStmMode;

                    IMapCompat( const IMapCompat& ) = delete;
    IMapCompat&     operator=( const IMapCompat& ) { return *this; }

public:

                    IMapCompat( SvStream& rStm, const StreamMode nStreamMode );
                    ~IMapCompat();
};

#endif // INCLUDED_VCL_IMAP_HXX

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