fillattr.h

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// $Id: fillattr.h 1272 2006-06-08 17:01:06Z alex $
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================================XARAHEADERSTART===========================
 
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----------------------------------

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 */

// This file holds all the AttributeValue and NodeAttribute classes to do with path
// filling attributes.

// fillattr.h has been split into two. This contains essentially the implementation or
// specific classes. Not many files should need to include this. This MUST NOT include
// fillval.h - see fillattr2.h for the rest

#ifndef INC_FILLATTR
#define INC_FILLATTR

#include "attr.h"
#include "nodeattr.h"
#include "msg.h"
#include "bitmap.h"
#include "list.h"
#include "binds.h"
#include "clikmods.h"


class TransparencyRamp;
class ColourRamp;
class CProfileBiasGain;
class FillGeometryAttribute;
class AttrValueChange;
class AttrColourChange;
class AttrTranspChange;
class AttrColourDrop;
class FillRamp;
class AttrColFillRampChange;
class AttrTranspFillRampChange;
class UndoableOperation;
class SelectedAttrs;
class MouldGeometry;
class NodeMould;
 
/********************************************************************************************

< FillControl

    Comment:    An Enum, specifying a particular Fill Control Point.

                MonoOn
                FILLCONTROL_STARTPOINT,
                FILLCONTROL_ENDPOINT,
                FILLCONTROL_SECONDARYPOINT,
                FILLCONTROL_ENDPOINT2,
                FILLCONTROL_ENDPOINT3,
                FILLCONTROL_DRAGPOINT,
                FILLCONTROL_DRAGPOINT2,
                FILLCONTROL_DRAGPOINT3,
                FILLCONTROL_MANY,
                FILLCONTROL_NULL
                MonoOff
            
                FILLCONTROL_NULL is used in Hit Testing to indicate no control was hit.

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

typedef INT32 FillControl;

enum
{
    FILLCONTROL_STARTPOINT,
    FILLCONTROL_ENDPOINT,
    FILLCONTROL_ENDPOINT2,
    FILLCONTROL_ENDPOINT3,
    FILLCONTROL_SECONDARYPOINT,
    FILLCONTROL_DRAGPOINT,
    FILLCONTROL_DRAGPOINT2,
    FILLCONTROL_DRAGPOINT3,
    FILLCONTROL_MANY,
    FILLCONTROL_RAMPPOINT,
    FILLCONTROL_NULL
};

enum
{
    BLOBSTATE_OFF,
    BLOBSTATE_ON,
    BLOBSTATE_TOGGLE
};

#define NUMCONTROLPOINTS FILLCONTROL_NULL

#define DEFAULT_FILLWIDTH 72000;
#define DEFAULT_FILLHEIGHT 72000;

#define ATTRVALUE() ((FillGeometryAttribute*)GetAttributeValue())

//
//                              NodeAttribute classes
//


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

>   class AttrFillGeometry : public NodeAttribute

    Author:     Tim_Browse (Xara Group Ltd) <camelotdev@xara.com>
    Created:    18/07/94
    Purpose:    Fill Geometry Attribute class.
    SeeAlso:    FillGeometryAttribute

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

class AttrFillGeometry : public NodeAttribute
{
    CC_DECLARE_DYNCREATE(AttrFillGeometry)
    
public:
    AttrFillGeometry();
    ~AttrFillGeometry();
    AttrFillGeometry(Node* ContextNode,  
                 AttachNodeDirection Direction,    
                 BOOL Locked=FALSE, 
                 BOOL Mangled=FALSE,  
                 BOOL Marked=FALSE, 
                 BOOL Selected=FALSE): 
        NodeAttribute(ContextNode, Direction, Locked, Mangled, Marked, Selected) {}

    static BOOL Init();

    virtual INT32 operator==(const NodeAttribute& NodeAttrib);
    virtual INT32 operator=(AttrFillGeometry& FillAttrib);

    // Funcions for rendering the Fill Mesh
    virtual void RenderFillBlobs(RenderRegion* pRender) {}
    virtual void RenderFillMesh(RenderRegion*, DocCoord* , BOOL*, INT32 NumControlPoints = 0) {}
    virtual void RenderFillBlobs();
    
    // The following allow us to redraw multi-stage fill with no flicker ....
    BOOL AllowRampRedraw;
    void DisableRampRedraw () { AllowRampRedraw = FALSE; }
    void EnableRampRedraw () { AllowRampRedraw = TRUE; }

    // The following allow us to redraw only particular parts of a fills mesh when
    // dragging a multi-stage fill blob ....
    BOOL AllowBoundsRedraw;
    void DisableBoundsRedraw () { AllowBoundsRedraw = FALSE; }
    void EnableBoundsRedraw () { AllowBoundsRedraw = TRUE; }

    virtual void DrawEndBlobs();

    virtual DocColour* GetStartColour();
    virtual DocColour* GetEndColour();
    virtual DocColour* GetEndColour2();
    virtual DocColour* GetEndColour3();
    virtual UINT32*    GetStartTransp();
    virtual UINT32*    GetEndTransp();
    virtual UINT32*    GetEndTransp2();
    virtual UINT32*    GetEndTransp3();
    virtual DocCoord*  GetStartPoint();
    virtual DocCoord*  GetEndPoint();
    virtual DocCoord*  GetEndPoint2();
    virtual DocCoord*  GetEndPoint3();
    virtual CProfileBiasGain& GetProfile ();

    virtual void SetStartColour(DocColour* NewCol);
    virtual void SetEndColour(DocColour* NewCol);
    virtual void SetEndColour2(DocColour* NewCol);
    virtual void SetEndColour3(DocColour* NewCol);
    virtual void SetStartTransp(UINT32* NewTransp);
    virtual void SetEndTransp(UINT32* NewTransp);
    virtual void SetEndTransp2(UINT32* NewTransp);
    virtual void SetEndTransp3(UINT32* NewTransp);
    virtual void SetStartPoint(DocCoord* Pos);
    virtual void SetEndPoint(DocCoord* Pos);
    virtual void SetEndPoint2(DocCoord* Pos);
    virtual void SetEndPoint3(DocCoord* Pos);
    virtual void SetProfile (CProfileBiasGain& SetWith);

    virtual UINT32  GetTranspType();
    virtual UINT32  GetDPI();
    virtual UINT32  GetFractalDPI();
    virtual UINT32  GetFractalDim();
    virtual INT32    GetSeed();
    virtual FIXED16 GetGraininess();
    virtual FIXED16 GetGravity();
    virtual FIXED16 GetSquash();
    virtual BOOL    GetTileable();
    virtual double  GetNoiseScale();

    virtual void    SetTranspType(UINT32 NewType);
    virtual BOOL    SetDPI(UINT32 NewDpi);
    virtual BOOL    SetFractalDPI(UINT32 NewDpi);
    virtual void    SetFractalDim(UINT32 NewDim);
    virtual BOOL    SetSeed(INT32 NewSeed);
    virtual BOOL    SetGraininess(FIXED16 NewGrain);
    virtual BOOL    SetGravity(FIXED16 NewGrav);
    virtual BOOL    SetSquash(FIXED16 NewSquash);
    virtual BOOL    SetTileable(BOOL NewTile);
    virtual BOOL    SetNoiseScale(double ns);

    virtual BOOL RecalcFractal();
    virtual BOOL Randomise();

    virtual BOOL AttachBitmap(KernelBitmap* NewBitmap);
    virtual BOOL DetachBitmap();
    virtual KernelBitmap* GetBitmap();
    virtual BOOL CopyBitmap(KernelBitmap* CopyBitmap);

    virtual KernelBitmapRef* GetBitmapRef();

    virtual INT32 GetTesselation();
    virtual void SetTesselation(INT32 NewTess);

    virtual BOOL IsPerspective();
    virtual ColourRamp*       GetColourRamp();
    virtual TransparencyRamp* GetTranspRamp();
    virtual void          SetColourRamp(ColourRamp* New);
    virtual void          SetTranspRamp(TransparencyRamp* New);

    virtual void MakePerspective(UndoableOperation* pUndoOp = NULL);
    virtual void RemovePerspective(UndoableOperation* pUndoOp = NULL);

    virtual DocColour *EnumerateColourFields(UINT32 Context);

    virtual AttributeValue* GetAttributeValue() = 0;
    virtual DocRect GetBlobBoundingRect();
    virtual ANGLE GetSecondaryAngle() { return 0; }

    FillRamp*         GetFillRamp();

    // get some data from this fill.
    DocColour*  GetFirstSelectedColour();
    UINT32*     GetFirstSelectedTransp();
    INT32       GetFirstSelectedIndex();

    // Bodge Functions for Current Attribute Transformation
    DocRect GetBoundingRect() { return AttrBounds; }
    void SetBoundingRect(DocRect &NewBounds);
    BOOL WriteBoundingRect(BaseCamelotFilter* pFilter);

    // Functions to cope with the selections of Control Points
    virtual BOOL OnClick( DocCoord, ClickType, ClickModifiers, Spread * );

    virtual void GetControlPoints(DocCoord*, INT32);    
    virtual void OnControlDrag( DocCoord, FillControl&, ClickModifiers );
    virtual void SetAspectRatio(double Ratio);

    UINT32 GetSelectionState(BOOL**);
    BOOL IsSelected(UINT32 Control);

    UINT32 GetSelectionCount();
    UINT32 GetBlobCount(BOOL IncludeRamps=TRUE);

    virtual void SetBlobState(FillControl, BOOL);
    virtual void ToggleSelection(FillControl);  
    virtual void SelectBlob(FillControl);   
    virtual void DeselectBlob(FillControl);
    virtual void DeselectAll();
    virtual void DeselectAllBut(FillControl);   
    virtual void DeselectAllNoRedraw();

    virtual void CycleSelection(BOOL Reverse);

    static AttrFillGeometry* FindFirstSelectedAttr(CCRuntimeClass* AttrType = (CCRuntimeClass*)CC_RUNTIME_CLASS(AttrFillGeometry));
    static AttrFillGeometry* FindNextSelectedAttr(CCRuntimeClass* AttrType = (CCRuntimeClass*)CC_RUNTIME_CLASS(AttrFillGeometry));

    static UINT32 CountSelectionControlPoints();
    static BOOL CheckAttrClick( DocCoord PointerPos, ClickType Click, ClickModifiers ClickMods, Spread* pSpread);
    static BOOL CheckForFillControlHit(DocCoord Pos, UINT32* Status);

    static FillControl DoColourDropTest(AttrColourDrop*, NodeRenderableInk**, AttrFillGeometry** FillAttr = NULL);

    static BOOL IsTranspMeshVisible();
    static BOOL IsColourMeshVisible();

    virtual BOOL IsVisible() { return IsColourMeshVisible(); }
    virtual BOOL NeedsTransparency() const;

    virtual FillControl CheckForControlHit(DocCoord &); 

    virtual AttrFillGeometry* Mutate(AttrFillGeometry*, BOOL bOptimise = TRUE);
    virtual AttrFillGeometry* ChangeAttrValue(AttrValueChange*) { return NULL; }

    virtual void AttributeChanged();

    static UINT32 FillSelectionCount();
    static void SetSelectionCount(UINT32);
    static void SetTranspMeshesVisible(BOOL);

    virtual BOOL Blend(BlendAttrParam* pBlendParam);

    virtual AttrFillGeometry* DoColourDrop(AttrColourDrop*);
    virtual FillControl TestColourDrop(AttrColourDrop*);

    virtual BOOL ChangeControlColour(AttrColourChange *);
    virtual BOOL ChangeControlTransp(AttrTranspChange *);
    virtual BOOL ChangeControlColour(DocColour&, FillControl, AttrColourDrop * pColDrop = NULL);
    virtual BOOL EditColourFillRamp(AttrColFillRampChange *);
    virtual BOOL EditTranspFillRamp(AttrTranspFillRampChange *);
    
    virtual BOOL IsAFillAttr() const { return TRUE; }

    virtual void TransformSelectedControlPoints( TransformBase&, BOOL* isARampBlob = NULL );
    virtual void TransformSelectedFillRampControlPoints (TransformBase&, ClickModifiers ClickMods, BOOL* isARampBlob);

    // Transforms the attributes bounds to new bounds. Used when applying stored attribute 
    // to an object. 
    virtual void TransformToNewBounds(DocRect& NewBounds); 

    virtual BOOL NeedsForceToSimpleMapping() { return(TRUE); }
    
    virtual BOOL IsARadialColourFill() const { return FALSE;}

    virtual BOOL CopyComponentData(BaseDocument* SrcDoc, BaseDocument* NodesDoc);

    virtual BOOL WriteColourDefinitions (BaseCamelotFilter* pFilter) { return (TRUE); }

    virtual void PolyCopyNodeContents(NodeRenderable* pNodeCopy);

protected:
    virtual void ValidateAttributeValue() { }
    virtual BOOL CopyNodeContents(AttrFillGeometry* NodeCopy);
    virtual void RenderControl(FillControl, BOOL);  

    void RenderFillControl(BOOL RenderOn, 
                           DocRect* ControlRect, 
                           Spread* pSpread, 
                           NodeRenderable* pParent);

    void RenderControlIntoPendingRegions(DocRect* ControlRect, 
                                         Spread* pSpread, 
                                         NodeRenderable* pParent);

    AttrFillGeometry* ChangeColour(AttrValueChange*);
    AttrFillGeometry* ChangeTransp(AttrValueChange*);

    BOOL CheckPreviousFillMesh();
    BOOL IsFillBeingEdited();
    static BOOL IsMeshSame(FillGeometryAttribute* , FillGeometryAttribute*);

    void SetLastRenderedBlob(FillControl);
    BOOL IsBlobSame(FillControl);
    void ChangeBlobState(FillControl, INT32);

// Karim MacDonald 03/12/1999
// Extend functions.
// 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);

    // Find the extend reference-centre of this Node, for use with Extension.
    virtual DocCoord FindExtendCentre() { return *GetStartPoint(); }

    // virtual override of NodeRenderable::TransformTranslateObject.
    virtual void TransformTranslateObject(const ExtendParams& ExtParams);

    // returns the number of control points required to describe this fill,
    // for instance flat fill - 0, linear fill - 2, four-colour fill - 4.
    // this value is 0 by default for fills without control points.
    virtual INT32 GetNumberOfControlPoints() { return 0; }

public:
    static AttrFillGeometry* EditedFill;
    static AttrFillGeometry* DraggedFill;
    static List HitList;

    static BOOL DoFillMeshCheck;
    static FillGeometryAttribute* LastRenderedMesh;

    static DocCoord LastRenderedStartBlob;
    static DocCoord LastRenderedEndBlob;
    static DocCoord LastRenderedEnd2Blob;
    static DocCoord LastRenderedEnd3Blob;

    static UINT32 SelectionCount;

    static INT32 FractalSeed;
    static double FractalGraininess;
    static double FractalGravity;

    static INT32 FractalDPI;
    static INT32 MaxFractalSize;

    static BOOL TranspMeshesVisible;

    static BOOL DoCheckOnFillRampMesh;          // this could be changed a variable passed in with
                                                // CheckForControlHit.  This variable exists so that
                                                // we avoid this check when we are changing the cursor
                                                // (since the filltool gets this incorrect - and says that
                                                // we can move the fillramp)

    static BOOL s_bGroupTransparency;

protected:
    BOOL SelectionState[5];

    static FillControl ControlHit;
    static AttrFillGeometry* FillHit;

    static SelectedAttrs s_SelAttrs;
    static CCAttrMap AttribMap;

    // Bodge variable for Current Attribute Transformation
    DocRect AttrBounds;

    // DMc 22-10-99
    // Find the ramp fill point (0 - 1.0) given certain coordinates
    virtual double FindRampPoint(DocCoord &dc, DocCoord &StartPoint, DocCoord &EndPoint);
 };


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

>   class SelectedAttrs : public CCObject

    Author:     Phil_Martin (Xara Group Ltd) <camelotdev@xara.com>
    Created:    20/4/2005
    Purpose:    -
    SeeAlso:    -

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

class SelectedAttrs : public CCObject
{
public:
    SelectedAttrs()
    {
        m_pAttrSelectionLevel = NULL;
        m_pAttrSelection = NULL;
        m_pSelNode = NULL;
        m_pLastSelectedAttr = NULL;
    }

    ~SelectedAttrs()
    {
        if (m_pAttrSelectionLevel)
        {
            delete m_pAttrSelectionLevel;
            m_pAttrSelectionLevel = NULL;
        }
    }

    NodeAttribute*  FindFirst(CCRuntimeClass* AttrType = (CCRuntimeClass*)CC_RUNTIME_CLASS(AttrFillGeometry));
    NodeAttribute*  FindNext(CCRuntimeClass* AttrType = (CCRuntimeClass*)CC_RUNTIME_CLASS(AttrFillGeometry));

private:
    Range*          m_pAttrSelectionLevel;
    SelRange*       m_pAttrSelection;
    Node*           m_pSelNode;
    NodeAttribute*  m_pLastSelectedAttr;
};


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

>   class AttrTranspFillGeometry : public AttrFillGeometry

    Author:     Will_Cowling (Xara Group Ltd) <camelotdev@xara.com>
    Created:    8/8/94
    Purpose:    -
    SeeAlso:    -

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

class AttrTranspFillGeometry : public virtual AttrFillGeometry
{
    CC_DECLARE_DYNAMIC(AttrTranspFillGeometry)
    
public:
    AttrTranspFillGeometry() : AttrFillGeometry() {}
};

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

>   class AttrValueChange : public AttrFillGeometry

    Author:     Will_Cowling (Xara Group Ltd) <camelotdev@xara.com>
    Created:    8/8/94
    Purpose:    Change Fill colour Attribute class.
                This Attribute never exists in the Tree.  It is used for changing the colours
                of an existing Fill Geometry.
    SeeAlso:    AttrFillGeometry

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

class AttrValueChange : public AttrFillGeometry
{
    CC_DECLARE_DYNAMIC(AttrValueChange)
    
public:
    AttrValueChange();

    virtual UINT32 GetAttrNameID(void);  

    virtual AttributeValue* GetAttributeValue() = 0;
    virtual CCRuntimeClass* GetAttributeType();

    virtual void MutateColourFills(BOOL Change);
    virtual void MutateTranspFills(BOOL Change);

    virtual AttrFillGeometry* MutateFill(AttrFillGeometry* FillToMutate) { return NULL; }

    virtual BOOL IsAValueChange() const { return TRUE; }

protected:
    BOOL    Colour;
    BOOL    Transp;
};

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

>   class AttrFlatFill : public AttrFillGeometry

    Author:     Tim_Browse (Xara Group Ltd) <camelotdev@xara.com>
    Created:    18/07/94
    Purpose:    Flat Fill colour Attribute class.
    SeeAlso:    FlatFillAttribute

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

class AttrFlatFill : public AttrFillGeometry
{
    CC_DECLARE_DYNCREATE(AttrFlatFill)
    
public:
    AttrFlatFill();
    AttrFlatFill(Node* ContextNode,  
                 AttachNodeDirection Direction,    
                 BOOL Locked=FALSE, 
                 BOOL Mangled=FALSE,  
                 BOOL Marked=FALSE, 
                 BOOL Selected=FALSE): 
        AttrFillGeometry(ContextNode, Direction, Locked, Mangled, Marked, Selected) {}

    // Selection Functions
    virtual BOOL OnClick( DocCoord, ClickType, ClickModifiers, Spread * ) { return FALSE; }

    virtual DocRect GetBlobBoundingRect();

    virtual BOOL ChangeControlColour(AttrColourChange *) { return FALSE; }
    virtual BOOL ChangeControlTransp(AttrTranspChange *) { return FALSE; }

    virtual void ToggleSelection(FillControl Blob) { DeselectBlob(Blob); }  
    virtual void SelectBlob(FillControl Blob) { DeselectBlob(Blob); }   

    virtual FillControl TestColourDrop(AttrColourDrop*);

    virtual BOOL IsAFlatFill() const { return TRUE; } 

protected:
    virtual void ValidateAttributeValue();
};



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

>   class AttrChangedMsg: public Msg

    Author:     Will_Cowling (Xara Group Ltd) <camelotdev@xara.com>
    Created:    8/8/94
    Purpose:    This message is sent whenever an attribute changes in some way.
                It is used to update the Grad Fill Info Bar.
    SeeAlso:    -

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

class AttrChangedMsg: public Msg
{
    CC_DECLARE_DYNAMIC(AttrChangedMsg);
public:

    AttrFillGeometry* pChangedFill;
    AttrChangedMsg(AttrFillGeometry* pFill): pChangedFill(pFill) { } 
};

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

>   class FillAttrBlobState : public ListItem

    Author:     Will_Cowling (Xara Group Ltd) <camelotdev@xara.com>
    Created:    12/3/96
    Purpose:    Used to record the fill blob selection state to determine wether apply ops
                should be merged or not.
    SeeAlso:    -

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

class FillAttrBlobState : public ListItem
{
    public:
         FillAttrBlobState();
        ~FillAttrBlobState();

        BOOL operator==(FillAttrBlobState& BlobState);

    public:
        AttrFillGeometry* pFillAttr;
        UINT32  count;
        BOOL* SelectionState;
};

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

>   class FillBlobSelectionState

    Author:     Will_Cowling (Xara Group Ltd) <camelotdev@xara.com>
    Created:    12/3/96
    Purpose:    Used to record the fill blob selection state to determine wether apply ops
                should be merged or not.
    SeeAlso:    -

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

class FillBlobSelectionState : public CC_CLASS_MEMDUMP
{
    CC_DECLARE_MEMDUMP(FillBlobSelectionState);

public:  
    FillBlobSelectionState(); 
    ~FillBlobSelectionState();                          // Deletes lists 
    BOOL Record();                                      // Records the current selected state
    BOOL operator==(FillBlobSelectionState& SelState);  // Compares this SelectionState with another to determine
                                                        // if they are the same. 
    void DeleteAll() { BlobStateList.DeleteAll(); }

private:    

    CCRuntimeClass* FillType;           // Visible fill type
    UINT32  BlobCount;                  // Number of blobs selected
    List    BlobStateList;              // Details of the selected blobs
}; 


#endif  // INC_FILLATTR

---