nodemold.h

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// $Id: nodemold.h 1282 2006-06-09 09:46:49Z alex $
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================================XARAHEADERSTART===========================
 
               Xara LX, a vector drawing and manipulation program.
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----------------------------------

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=================================XARAHEADEREND============================
 */
// The NodeMould renderable class

#ifndef INC_NODEMOULD
#define INC_NODEMOULD


//#include "ink.h" - in camtypes.h [AUTOMATICALLY REMOVED]
//#include "rndrgn.h" - in camtypes.h [AUTOMATICALLY REMOVED]
//#include "selop.h"
//#include "moldshap.h"
//#include "group.h" - in camtypes.h [AUTOMATICALLY REMOVED]
//#include "becomea.h" - in camtypes.h [AUTOMATICALLY REMOVED]
//#include "doccoord.h" - in camtypes.h [AUTOMATICALLY REMOVED]
#include "objchge.h"

#define OPTOKEN_NODEMOULD _T("MouldObject")
#define MOULD_EPS_VERSION 100             // v 1.00

//class BecomeA;
class NodeMoulder;
class NodeMouldGroup;
class NodeMouldPath;
class MouldGeometry;
class BaseCamelotFilter;

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

>   enum MouldSpace

    Author:     Mike_Kenny (Xara Group Ltd) <camelotdev@xara.com>
    Created:    5/12/94
    Purpose:    defines the types of mould vector spaces that exist

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

typedef enum MouldSpace {
    MOULDSPACE_UNDEFINED,
    MOULDSPACE_ENVELOPE,
    MOULDSPACE_PERSPECTIVE,
    MOULDSPACE_ENVELOPE2X2
};

#define REC_REBUILD     1
#define REC_PATHARRAYS  2
#define REC_BLOBS       4
#define REC_GEOMETRY    8
#define REC_GEOMCONTEXT 16

#define REC_TYPE        INT32

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

>   class NodeMould : public NodeGroup

    Author:     Mike_Kenny (Xara Group Ltd) <camelotdev@xara.com>
    Created:    1/12/94
    Purpose:    This class defines the structure of a mould node object. This object is the
                parent of a MouldGroup node and a Moulder node. Objects being moulded are 
                placed inside MouldGroup and all resulting moulded objects are placed inside
                the Moulder node.

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

class NodeMould: public NodeGroup
{
    friend class RecordChangeCodesAction;

    CC_DECLARE_DYNAMIC( NodeMould );    

public: 
    NodeMould(); 
    NodeMould(Node* ContextNode,  
              AttachNodeDirection Direction,    
              BOOL Locked=FALSE, 
              BOOL Mangled=FALSE,  
              BOOL Marked=FALSE, 
              BOOL Selected=FALSE    
             ); 
    ~NodeMould();

            void    InitialiseVars();

    // Virtual rendering functions       
    virtual void    PreExportRender( RenderRegion* pRender ); 
    virtual BOOL    ExportRender( RenderRegion* pRender ); 
    virtual BOOL    PostImport();

    virtual void    RenderObjectBlobs(RenderRegion* pRender);
    virtual void    RenderTinyBlobs(RenderRegion* pRender);
    virtual DocRect GetBlobBoundingRect();
    virtual void    Transform( TransformBase& Trans );

    // Other virtual functions
    virtual String  Describe(BOOL Plural, BOOL Verbose); 
    virtual Node*   SimpleCopy();  
    virtual UINT32  GetNodeSize() const;            // Returns size of node in bytes
    virtual BOOL    IsANodeMould() const;

    // Functions to deal with messages
    virtual BOOL    OnClick( DocCoord, ClickType, ClickModifiers, Spread* );
            BOOL    OnMouseMove( DocCoord, Spread*, ClickModifiers, INT32*, INT32* );

    // Functions to handle changes to moulds
    virtual ChangeCode OnChildChange(ObjChangeParam* pParam);

    // Specify whats editable inside ourselves
    virtual Node*   HasEditableChild(CCRuntimeClass *ChildClass, Node* pPrevEditable);
    virtual BOOL    OnNodePopUp(Spread* pSpread, DocCoord PointerPos, ContextMenu* pMenu);

    // Replace DoBecomeA() so that the mould node can turn itself into a group
    virtual BOOL    CanBecomeA(BecomeA* pBecomeA);
    virtual BOOL    DoBecomeA(BecomeA* pBecomeA);

    virtual BOOL    AllowSelectInside() const { return FALSE; }

    #ifdef _DEBUG
            void    ShowDebugTreeDetails() const;                   // Debugging function
    #endif
            void    GetDebugDetails( StringBase* Str );

    // CAM/AW EPS output functions
            void    PreExportCAMEPS(RenderRegion* pRegion);
            BOOL    PostExportCAMEPS(RenderRegion* pRegion);
            void    PreExportAWEPS(RenderRegion* pRegion);
            BOOL    PostExportAWEPS(RenderRegion* pRegion);

            void    ToggleDetachFlag();
            BOOL    IsDetached() const { return DetachedGeometry; }

    // Version 2 file format functions
    virtual BOOL WritePreChildrenWeb(BaseCamelotFilter* pFilter);
    virtual BOOL WritePreChildrenNative(BaseCamelotFilter* pFilter);

    // temporary function!
    static  void    RemovePerspectiveFills(Node* pParentNode, UndoableOperation* pUndoOp);

    // Karim MacDonald 26/05/2000
    // Extend functions. Maybe these functions should really originate in NodeRenderable?
    // Note that if a sub-class returns TRUE from IsTypeExtendible, it must
    // also provide complete implementations of ValidateExtend and Extend,
    // which should usually check/extend its children.
public:
    virtual BOOL IsTypeExtendible() const { return TRUE; }
    virtual DocRect ValidateExtend(const ExtendParams& ExtParams);
    virtual void Extend(const ExtendParams& ExtParams);

    // Karim 20/06/2000 - find the extend bounding rect of this node, for use with Extension.
    virtual DocRect GetExtendTargetBounds(const ExtendParams& ExtParams);

    virtual void PolyCopyNodeContents(NodeRenderable* pNodeCopy);

    // the following functions are node mould specific

public:
    MouldSpace      DescribeGeometry();
    MouldGeometry*  GetGeometry() const { return pMouldGeometry; }
    NodeMouldPath*  GetPathShape();
    Path*           GetPath();
    DocRect         GetRenderBounds();
    DocRect         GetChildrensBounds();

    void            DisableBlobs() { RenderBlobs=FALSE; }
    void            EnableBlobs()  { RenderBlobs=TRUE; }

    BOOL            CreateGeometry(MouldSpace mSpace);
    NodeMoulder*    CreateNewMoulder(UndoableOperation*);
    NodeMouldPath*  CreateNewMouldShape(Path* pPath, DocRect* const pDestin, UndoableOperation* pOp);
    NodeMouldGroup* CreateNewMouldGroup(UndoableOperation* pOp);
    BOOL            CreateAllMoulderObjects(UndoableOperation* pOp);

    NodeMoulder*    AddNewMoulder(Node*, AttachNodeDirection, UndoableOperation*);
    NodeMouldPath*  AddNewMouldShape(Path* pPath, DocRect* const pDestin, UndoableOperation* pOp);
    NodeMouldGroup* AddNewMouldGroup(UndoableOperation* pOp);

    BOOL            FillMouldGroup(NodeMouldGroup*, List*,  UndoableOperation*);

    NodeMoulder*    FindFirstMoulder(BOOL errorcheck=TRUE);
    NodeMoulder*    FindNextMoulder(NodeMoulder* pNodeMoulder);
    NodeMouldGroup* FindMouldGroup(BOOL errorcheck=TRUE);
    ChangeCode      RemouldAll(UndoableOperation* pUndoOp);
    ChangeCode      StartSaveContext(UndoableOperation* pUndoOp, REC_TYPE);
    ChangeCode      EndSaveContext(UndoableOperation* pUndoOp, REC_TYPE);
    BOOL            CreateAttrSetFromChildren(AttrTypeSet& AttSet);

    // used only for undo (and probably temporary)
    BOOL            SetGeometry(MouldGeometry*);
    INT32           CountMoulders();

//  virtual BOOL IsValidEffectAttr(CCRuntimeClass* pAttrClass) const {return FALSE;}
    virtual BOOL IsValidEffectAttr(NodeAttribute* pAttr) const {return FALSE;}
    virtual BOOL GroupCanTransformCached(TransformBase& Trans) const {return TRUE;}

private:
    void            RedrawMould();
    void            CopyNodeContents(NodeMould* pCopyOfNode);
    ChangeCode      HandleMouldShapeChange(ObjChangePathEdit* pParam);
    void            IncludeChildrensBoundingRects(DocRect& BoundingRect);
    BOOL            OverMouldEndPoint(DocCoord coord, Spread* pSpread);
    ChangeCode      RecordChangeCodes(UndoableOperation* pOp);
    ChangeCode      ConvertCode(ActionCode Act);
    
    String_32       MouldName; // The name of the mould 

    MouldGeometry*  pMouldGeometry;
    BOOL            DetachedGeometry;

private:
    // Temorary private vars until v2.0
    INT32           OnCC_CRC;
    INT32           OnCC_Width;
    INT32           OnCC_Height;
    BOOL            RenderBlobs;
};



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

    class RecordChangeCodesAction : public Action

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

class RecordChangeCodesAction : public Action
{
    CC_DECLARE_DYNCREATE(RecordChangeCodesAction)

    public:
         RecordChangeCodesAction();
        ~RecordChangeCodesAction();
        virtual ActionCode Execute();
        static ActionCode Init( Operation* pOp,
                                ActionList* pActionList,
                                NodeMould* pMould,
                                Action** NewAction);
    private:
        NodeMould* pCRCMould;
        INT32  CRCcode;
        INT32 CRCWidth;
        INT32 CRCHeight;
};


#endif

---