svdglue.hxx

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#ifndef INCLUDED_SVX_SVDGLUE_HXX
#define INCLUDED_SVX_SVDGLUE_HXX

#include <tools/gen.hxx>
#include <tools/degree.hxx>
#include <svx/svxdllapi.h>
#include <memory>
#include <vector>
#include <o3tl/typed_flags_set.hxx>

namespace vcl { class Window; }
class OutputDevice;
class SvStream;
class SdrObject;


enum class SdrEscapeDirection
{
    SMART  = 0x0000,
    LEFT   = 0x0001,
    RIGHT  = 0x0002,
    TOP    = 0x0004,
    BOTTOM = 0x0008,
    HORZ   = LEFT | RIGHT,
    VERT   = TOP | BOTTOM,
    ALL    = 0x00ff,
};
namespace o3tl
{
    template<> struct typed_flags<SdrEscapeDirection> : is_typed_flags<SdrEscapeDirection, 0x00ff> {};
}

enum class SdrAlign
{
    NONE          = 0x0000,
    HORZ_CENTER   = 0x0000,
    HORZ_LEFT     = 0x0001,
    HORZ_RIGHT    = 0x0002,
    HORZ_DONTCARE = 0x0010,
    VERT_CENTER   = 0x0000,
    VERT_TOP      = 0x0100,
    VERT_BOTTOM   = 0x0200,
    VERT_DONTCARE = 0x1000,
};
namespace o3tl
{
    template<> struct typed_flags<SdrAlign> : is_typed_flags<SdrAlign, 0x1313> {};
}

class SVXCORE_DLLPUBLIC SdrGluePoint {
    // Reference Point is SdrObject::GetSnapRect().Center()
    // bNoPercent=false: position is -5000..5000 (1/100)% or 0..10000 (depending on align)
    // bNoPercent=true : position is in log unit, relative to the reference point
    Point    aPos;
    SdrEscapeDirection nEscDir;
    sal_uInt16   nId;
    SdrAlign     nAlign;
    bool bNoPercent:1;
    bool bReallyAbsolute:1; // temp for transformations on the reference object
    bool bUserDefined:1; // #i38892#
public:
    SdrGluePoint()
        : nEscDir(SdrEscapeDirection::SMART)
        , nId(0)
        , nAlign(SdrAlign::NONE)
        , bNoPercent(false)
        , bReallyAbsolute(false)
        , bUserDefined(true)
    {}
    SdrGluePoint(const Point& rNewPos)
        : aPos(rNewPos)
        , nEscDir(SdrEscapeDirection::SMART)
        , nId(0)
        , nAlign(SdrAlign::NONE)
        , bNoPercent(false)
        , bReallyAbsolute(false)
        , bUserDefined(true)
    {}
    const Point& GetPos() const
    {
        return aPos;
    }
    void SetPos(const Point& rNewPos)
    {
        aPos = rNewPos;
    }
    SdrEscapeDirection GetEscDir() const
    {
        return nEscDir;
    }
    void SetEscDir(SdrEscapeDirection nNewEsc)
    {
        nEscDir = nNewEsc;
    }
    sal_uInt16   GetId() const
    {
        return nId;
    }
    void SetId(sal_uInt16 nNewId)
    {
        nId = nNewId;
    }
    bool IsPercent() const
    {
        return !bNoPercent;
    }
    void SetPercent(bool bOn)
    {
        bNoPercent  = !bOn;
    }
    // temp for transformations on the reference object
    void SetReallyAbsolute(bool bOn, const SdrObject& rObj);

    // #i38892#
    bool IsUserDefined() const
    {
        return bUserDefined;
    }
    void SetUserDefined(bool bNew)
    {
        bUserDefined = bNew;
    }

    SdrAlign GetAlign() const
    {
        return nAlign;
    }
    void SetAlign(SdrAlign nAlg)
    {
        nAlign = nAlg;
    }
    SdrAlign GetHorzAlign() const
    {
        return nAlign & static_cast<SdrAlign>(0x00FF);
    }
    void SetHorzAlign(SdrAlign nAlg)
    {
        assert((nAlg & static_cast<SdrAlign>(0xFF00)) == SdrAlign::NONE);
        nAlign = SdrAlign(nAlign & static_cast<SdrAlign>(0xFF00)) | (nAlg & static_cast<SdrAlign>(0x00FF));
    }
    SdrAlign GetVertAlign() const
    {
        return nAlign & static_cast<SdrAlign>(0xFF00);
    }
    void SetVertAlign(SdrAlign nAlg)
    {
        assert((nAlg & static_cast<SdrAlign>(0x00FF)) == SdrAlign::NONE);
        nAlign = SdrAlign(nAlign & static_cast<SdrAlign>(0x00FF)) | (nAlg & static_cast<SdrAlign>(0xFF00));
    }

    bool IsHit(const Point& rPnt, const OutputDevice& rOut, const SdrObject* pObj) const;
    void Invalidate(vcl::Window& rWin, const SdrObject* pObj) const;
    Point GetAbsolutePos(const SdrObject& rObj) const;
    void SetAbsolutePos(const Point& rNewPos, const SdrObject& rObj);
    Degree100 GetAlignAngle() const;
    void SetAlignAngle(Degree100 nAngle);
    static Degree100 EscDirToAngle(SdrEscapeDirection nEsc);
    static SdrEscapeDirection EscAngleToDir(Degree100 nAngle);
    void Rotate(const Point& rRef, Degree100 nAngle, double sn, double cs, const SdrObject* pObj);
    void Mirror(const Point& rRef1, const Point& rRef2, Degree100 nAngle, const SdrObject* pObj);
    void Shear (const Point& rRef, double tn, bool bVShear, const SdrObject* pObj);
};

#define SDRGLUEPOINT_NOTFOUND 0xFFFF

class SVXCORE_DLLPUBLIC SdrGluePointList
{
    std::vector<SdrGluePoint> aList;
public:
    SdrGluePointList() {};
    SdrGluePointList(const SdrGluePointList& rSrcList)
    {
        *this = rSrcList;
    }

    SdrGluePointList& operator=(const SdrGluePointList& rSrcList);
    sal_uInt16 GetCount() const
    {
        return sal_uInt16(aList.size());
    }
    // At insert, the object (GluePoint) automatically gets an ID assigned.
    // Return value is the index of the new GluePoint in the list.
    sal_uInt16 Insert(const SdrGluePoint& rGP);
    void Delete(sal_uInt16 nPos)
    {
        aList.erase(aList.begin() + nPos);
    }
    SdrGluePoint& operator[](sal_uInt16 nPos)
    {
        return aList[nPos];
    }
    const SdrGluePoint& operator[](sal_uInt16 nPos) const
    {
        return aList[nPos];
    }
    sal_uInt16 FindGluePoint(sal_uInt16 nId) const;
    sal_uInt16 HitTest(const Point& rPnt, const OutputDevice& rOut, const SdrObject* pObj) const;
    void Invalidate(vcl::Window& rWin, const SdrObject* pObj) const;

    // temp for transformations on the reference object
    void SetReallyAbsolute(bool bOn, const SdrObject& rObj);
    void Rotate(const Point& rRef, Degree100 nAngle, double sn, double cs, const SdrObject* pObj);
    void Mirror(const Point& rRef1, const Point& rRef2, const SdrObject* pObj);
    void Mirror(const Point& rRef1, const Point& rRef2, Degree100 nAngle, const SdrObject* pObj);
    void Shear(const Point& rRef, double tn, bool bVShear, const SdrObject* pObj);
};


#endif // INCLUDED_SVX_SVDGLUE_HXX

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