moldenv.h

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// $Id: moldenv.h 1282 2006-06-09 09:46:49Z alex $
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================================XARAHEADERSTART===========================
 
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----------------------------------

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 */
// Header for the envelope mould shapes implementation

#ifndef INC_ENVELOPE
#define INC_ENVELOPE

#include "moldshap.h"
//#include "ops.h" - in camtypes.h [AUTOMATICALLY REMOVED]
#include "nodemold.h"
#include "gmould.h"

#define ENV_NUMCOORDS       12
#define ENV_NUMCOORDS2X2    24
#define ENV_MAXCOORDS       24

/********************************************************************************************

>   class MouldEnvelopeBase : public MouldGeometry

    Author:     Mike_Kenny (Xara Group Ltd) <camelotdev@xara.com>
    Created:    5/12/94
    Purpose:    The envelope mould node. Provides control over a coons patch shape made
                from 4 connected 3rd order bezier splines.

********************************************************************************************/

class MouldEnvelopeBase : public MouldGeometry
{
    friend class RecordEnvelopeAction;

    CC_DECLARE_DYNAMIC(MouldEnvelopeBase);

    public:
         MouldEnvelopeBase();
        ~MouldEnvelopeBase();

        virtual void RenderControlBlobs(RenderRegion* pRegion);
        virtual void RenderDragBlobs(Spread* pSpread);
        virtual void DisableControlBlobs();
        virtual void EnableControlBlobs();
        virtual void ToggleControlBlobs(Spread* pSpread);

        // functions to create a moulded object
        virtual BOOL MouldPathToPath(Path* pSourcePath, Path* PDestinPath);
        virtual BOOL MouldBitmapToTile(KernelBitmap* pSourceBlit, KernelBitmap* pDestinBlit);
        virtual BOOL MouldPoint(DocCoord p,DocCoord& q);

        // functions to render an object through the mould
        virtual void MouldPathRender(Path* pPath, Spread* pSpread);
        virtual void MouldBitmapRender(KernelBitmap* pBlit, DocCoord* pParallel, RenderRegion* pRegion);

        virtual DocRect GetSourceRect();

    protected:
        BOOL    Define(Path* const pPath, DocRect* const pOrigBBox, INT32 ncoords);

        RECT    BuildRectangle(DocRect* const pOrigBBox);
        BOOL    BuildShape(POINT* pPoints, DocRect* const pOrigBBox);
        BOOL    ConvertShape(INT32 ncoords, POINT* dPoints, Path* const pPath, const INT32 numcoords);

        void    RenderGrid(Spread* pSpread);
        void    RenderGrid(RenderRegion* pRegion);
        void    RenderGridPoints(RenderRegion* pRegion);

        BOOL    ValidMouldingPath(INT32 ncoords, INT32 nelements, Path* const pPath, UINT32& errorID);
        static  BOOL WillBeValid(INT32 ncoords, POINT* P);

    protected:
        GMould  *pEnvelope;

    private:
        INT32   BlobState;
};



/********************************************************************************************

>   class MouldEnvelope : public MouldEnvelopeBase

    Author:     Mike_Kenny (Xara Group Ltd) <camelotdev@xara.com>
    Created:    5/12/94
    Purpose:    The envelope mould node. Provides control over a coons patch shape made
                from 4 connected 3rd order bezier splines.

********************************************************************************************/

class MouldEnvelope : public MouldEnvelopeBase
{
    CC_DECLARE_DYNAMIC(MouldEnvelope);

    public:
         MouldEnvelope();
        ~MouldEnvelope();

        virtual BOOL        Initialise();
        
        virtual BOOL        Validate(Path* const pPath, UINT32& errorID);
        virtual BOOL        Define(Path* const pPath, DocRect* const pRect);
        virtual BOOL        MakeValidFrom(Path **Out, Path *In, INT32 *CornersHint = 0);
        virtual MouldSpace  Describe() {return MOULDSPACE_ENVELOPE;}

        virtual void        Transform(Path* const pPath, DocRect* const pRect, TransformBase& Trans);
        virtual ChangeCode  RecordContext(UndoableOperation*);
        virtual UINT32      GetByteSize() const { return sizeof(MouldEnvelope); };
        
        virtual MouldGeometry* MakeCopy();

    public:
        // none virtual functions local to this class.
        static BOOL WillBeValid(POINT* P);

    protected:
        BOOL CopyContents(MouldEnvelope* pGeom);

    private:
        const INT32 EnvNumCoords;
};



/********************************************************************************************

>   class MouldEnvelope2x2 : public MouldEnvelopeBase

    Author:     Mike_Kenny (Xara Group Ltd) <camelotdev@xara.com>
    Created:    22/11/95
    Purpose:    Another envelope mould. Provides control over a coons patch shape made
                from 2x2 4 connected 3rd order bezier splines.

********************************************************************************************/

class MouldEnvelope2x2 : public MouldEnvelopeBase
{
    CC_DECLARE_DYNAMIC(MouldEnvelope2x2);

    public:
         MouldEnvelope2x2();
        ~MouldEnvelope2x2();

        virtual BOOL        Initialise();

        virtual BOOL        Validate(Path* const pPath, UINT32& errorID);
        virtual BOOL        Define(Path* const pPath, DocRect* const pRect);
        virtual BOOL        MakeValidFrom(Path **Out, Path *In, INT32 *CornersHint = 0);
        virtual MouldSpace  Describe() {return MOULDSPACE_ENVELOPE2X2;}

        virtual void        Transform(Path* const pPath, DocRect* const pRect, TransformBase& Trans);
        virtual ChangeCode  RecordContext(UndoableOperation*);
        virtual UINT32      GetByteSize() const { return sizeof(MouldEnvelope2x2); };

        virtual MouldGeometry* MakeCopy();

    public:
        // none virtual functions local to this class.
        static BOOL WillBeValid(POINT* P);

    protected:
        BOOL CopyContents(MouldEnvelope2x2* pGeom);

    private:
        const INT32 EnvNumCoords;
};


/********************************************************************************************

>   class EnvelopeShapes

    Author:     Mike_Kenny (Xara Group Ltd) <camelotdev@xara.com>
    Created:    11/12/94
    Purpose:    The default envelope shapes class. This class provides a bunch of static
                functions to create some default shapes. All shapes are defined on a 
                (0,0),(72000,72000) coordinate system. 

********************************************************************************************/

class EnvelopeShapes
{
    public:
        static BOOL Rectangular(Path* pPath);
        static BOOL Rectangular2x2(Path* pPath);
        static BOOL Circular(Path* pPath);
        static BOOL Concave(Path* pPath);
        static BOOL Banner(Path* pPath);

    private:
        static BOOL MakeEllipse(DocRect* pRect, Path* pPath,PathFlags* pFlags);
};



/********************************************************************************************

    class RecordEnvelopeAction : public Action

    Author:     Mike_Kenny (Xara Group Ltd) <camelotdev@xara.com>
    Created:    16/01/95
    Purpose:    This class records undo/redo information for the Envelope shape object.
    
********************************************************************************************/

class RecordEnvelopeAction : public Action
{
    CC_DECLARE_DYNCREATE(RecordEnvelopeAction)

    public:
         RecordEnvelopeAction();
        ~RecordEnvelopeAction();
        virtual ActionCode Execute();
        static ActionCode Init( Operation* pOp,
                                ActionList* pActionList,
                                MouldEnvelopeBase* pRecEnvelope,
                                Action** NewAction);
    private:
        MouldEnvelopeBase* pCEnvelope;
        POINT RecordArray[ENV_MAXCOORDS];
};

#endif

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