ncntrcnt.h

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// $Id: ncntrcnt.h 1282 2006-06-09 09:46:49Z alex $
/* @@tag:xara-cn@@ DO NOT MODIFY THIS LINE
================================XARAHEADERSTART===========================
 
               Xara LX, a vector drawing and manipulation program.
                    Copyright (C) 1993-2006 Xara Group Ltd.
       Copyright on certain contributions may be held in joint with their
              respective authors. See AUTHORS file for details.

LICENSE TO USE AND MODIFY SOFTWARE
----------------------------------

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=================================XARAHEADEREND============================
 */

#ifndef NCNTRCNT_H
#define NCNTRCNT_H

#include "blendatt.h"
#include "pathpcs.h"
//#include "cxfrech.h" - in camtypes.h [AUTOMATICALLY REMOVED]
//#include "biasgain.h" - in camtypes.h [AUTOMATICALLY REMOVED]
//#include "quality.h" - in camtypes.h [AUTOMATICALLY REMOVED]
#include "qualattr.h"
//#include "group.h" - in camtypes.h [AUTOMATICALLY REMOVED]
//#include "control.h"

class NodeContour;
class CCAttrMap;
class ExtendParams;
class BlendNodeParam;

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

>   class InsetPathPathProcessor : public PathProcessor

    Author:     David_McClarnon (Xara Group Ltd) <camelotdev@xara.com>
    Created:    31/3/2000
    Purpose:    Makes sure the original nodes aren't rendered, if the active flag is set

***********************************************************************************************/
class InsetPathPathProcessor : public PathProcessor
{
    CC_DECLARE_DYNAMIC(InsetPathPathProcessor);
public:
    InsetPathPathProcessor();
    ~InsetPathPathProcessor();

    virtual void ProcessPath(Path *pPath,
                             RenderRegion *pRender,
                             PathShape ShapePath = PATHSHAPE_PATH);

    void SetActive(BOOL b) { m_bActive = b; }
private:
    BOOL m_bActive;
} ;



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

>   class NodeContourController : public NodeGroup

    Author:     David_McClarnon (Xara Group Ltd) <camelotdev@xara.com>
    Created:    12/8/99
    Purpose:    Contour node controller class

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

class NodeContourController : public NodeGroup
{
    // Give my name out in memory dumps
    CC_DECLARE_DYNCREATE(NodeContourController);

public:
    NodeContourController();

    NodeContourController(Node* ContextNode,  
                AttachNodeDirection Direction,  
                BOOL Locked = FALSE, 
                BOOL Mangled = FALSE,  
                BOOL Marked = FALSE, 
                BOOL Selected = FALSE    
                ) ;

    ~NodeContourController();

    // Copy functions
    virtual Node* SimpleCopy(); 
    void CopyNodeContents(NodeContourController* pNewNode);
    virtual void PolyCopyNodeContents(NodeRenderable* pNodeCopy);

    // get the bounding rect of me
    virtual DocRect GetBoundingRect(BOOL DontUseAttrs = FALSE, BOOL HitTest = FALSE);
    virtual DocRect GetBlobBoundingRect();

    // Karim 14/04/2000 - helper method for marquee selection.
    virtual void SelectInRect(const DocRect& Rect, SelStateAction st);

    virtual void PreExportRender( RenderRegion* pRender ); 
    virtual BOOL ExportRender( RenderRegion* pRender ); 
    virtual void Render(RenderRegion* pRender);

    virtual void RenderTinyBlobs(RenderRegion* pRender);
    
    virtual BOOL DoBecomeA(BecomeA* pBecomeA);
    virtual BOOL CanBecomeA(BecomeA* pBecomeA);

    virtual NodeRenderableInk * CreateTreeFromNodeToBlend(NodeRenderableInk * pNode, 
        CCAttrMap * pAttrMap);

    // compound nodes overrides
    virtual BOOL RegenerateNode(UndoableOperation * pOp = NULL,
        BOOL bCacheRender = FALSE, BOOL bInformParents = TRUE);

    virtual ChangeCode OnChildChange(ObjChangeParam* pParam);
    
    // when the user clicks on a child node, this tells the hit testing code
    // whether to promote the hit test to this node
    virtual BOOL PromoteHitTestOnChildrenToMe() const { return FALSE; }

    // this indicates whether node should transform with its children
    virtual BOOL ShouldITransformWithChildren() const { return TRUE; }

    // retrieves this node's contour child
    NodeContour * GetContourNode();

    void SetNumberOfSteps(UINT32 Steps) { m_Steps = Steps; }
    void SetWidth(INT32 Width)        { m_Width = Width; }

    void SetColourBlendType(ColourBlendType Type) { m_BlendType = Type; }
    ColourBlendType GetColourBlendType()          { return m_BlendType; }

    UINT32 GetNumberOfSteps() { return m_Steps; }
    INT32 GetWidth()            { return m_Width; }

    virtual String Describe(BOOL Plural, BOOL Verbose); 

    void Transform(TransformBase &Trans);

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

    virtual BOOL PostImport();          // function called after import

    // are there any open paths in my child list
    BOOL AreOpenPathsInChildren();

    virtual BOOL AllowOp(ObjChangeParam *pParam, BOOL SetOpPermissionState = TRUE,
                                                 BOOL DoPreTriggerEdit = TRUE);

    virtual BOOL RegenerateForPrinting() { return FALSE; }

    virtual void RenderEorDrag( RenderRegion* pRender );
    virtual BOOL ChildrenAreEorDragRenderedByMe() { return TRUE; }

    INT32 ComplexHide(UndoableOperation* pOp, Node* pNextInRange);

    void SetObjectProfile( const CProfileBiasGain &Profile )    { m_ObjBiasGain = Profile; }
    void SetAttrProfile( const CProfileBiasGain &Profile )      { m_AttrBiasGain = Profile; } 
    CProfileBiasGain GetObjectProfile() { return m_ObjBiasGain; }
    CProfileBiasGain GetAttrProfile()   { return m_AttrBiasGain; }
    CProfileBiasGain* GetObjectProfilePtr() { return &m_ObjBiasGain; }
    CProfileBiasGain* GetAttrProfilePtr()   { return &m_AttrBiasGain; }

    virtual BOOL IsController() { return TRUE;}
    virtual BOOL IsAContourController() const { return TRUE;}

    virtual BOOL EndBlendStep(BlendNodeParam * pParam);

    BOOL IsContourAnOuterContour() { return (m_Width < 0); }
    // Karim MacDonald 25/11/1999
    // virtual Extend functions; see declaration/implementation in Node.

    BOOL GetInsetPathFlag() { return m_bInsetPath; }
    void SetInsetPathFlag(BOOL b) { m_bInsetPath = b; }
    
public:
    virtual BOOL IsTypeExtendible() const { return TRUE; }
    virtual DocRect ValidateExtend(const ExtendParams& ExtParams);
    virtual void Extend(const ExtendParams& ExtParams);

public:
    // the pre render children function for inset path stuff
    virtual SubtreeRenderState RenderSubtree(RenderRegion* pRender, Node** ppNextNode = NULL, BOOL bClip = TRUE);

    // disables and enables the inset path path processor
    void DisableInsetPathPathProcessor();
    void EnableInsetPathPathProcessor();    

    virtual BOOL PromoteAttributeApplicationToMe(CCRuntimeClass *pAttrClass) const;

    NodeContour* GetContour ();

        // retrieves the node that we end up contouring
    virtual NodeRenderableInk* GetInkNodeFromController() const;
    virtual BOOL GroupCanTransformCached(TransformBase& Trans) const {return Trans.IsTranslation();} //{return FALSE;}

protected:
    BOOL DealWithJoinTypeChange(UndoableOperation * pOp);


private:
    BOOL BlendParameters (NodeContourController * pStart, NodeContourController * pEnd, double Scale);
    BOOL BlendParameters(NodeContourController * pStart, double Scale);

protected:
    UINT32 m_Steps;
    INT32 m_Width;
    ColourBlendType m_BlendType;

    CProfileBiasGain m_AttrBiasGain;
    CProfileBiasGain m_ObjBiasGain;

    BOOL m_bInsetPath;
    BOOL m_PerformedExtend;

    InsetPathPathProcessor* m_pPathProc;
} ;

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

>   class ContourNodeTreeFactory : public CompoundNodeTreeFactory

    Author:     David_McClarnon (Xara Group Ltd) <camelotdev@xara.com>
    Created:    18/8/99
    Purpose:    Creates a new contour node with the given parameters

***********************************************************************************************/
class ContourNodeTreeFactory : public CompoundNodeTreeFactory
{
    CC_DECLARE_DYNCREATE(ContourNodeTreeFactory);

public:
    ContourNodeTreeFactory();
    ~ContourNodeTreeFactory();

    NodeCompound * CreateNode(List * pList, UndoableOperation * pOp = NULL);

    void SetNumberOfSteps(UINT32 Steps) { m_Steps = Steps; }
    void SetWidth(UINT32 Width)       { m_Width = Width; }
    UINT32 GetNumberOfSteps()             { return m_Steps; }
    UINT32 GetWidth()                     { return m_Width; }
    void SetAttributeMap(CCAttrMap * pMap)            { m_pMap = pMap; }
    void SetInsetPathFlag(BOOL b)     { m_bInsetPath = b; }
protected:
    UINT32 m_Steps;
    UINT32 m_Width;
    CCAttrMap * m_pMap;
    BOOL m_bInsetPath;
} ;

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

>   class ContourNodePathProcessor : public PathProcessor

    Author:     David_McClarnon (Xara Group Ltd) <camelotdev@xara.com>
    Created:    18/8/99
    Purpose:    The path processor which is used to sum all paths to be contoured

***********************************************************************************************/
class ContourNodePathProcessor : public PathProcessor
{
    CC_DECLARE_DYNCREATE(ContourNodePathProcessor);
public:
    ContourNodePathProcessor();
    ~ContourNodePathProcessor();

    virtual void ProcessPath(Path * pPath,
                             RenderRegion * pRegion,
                             PathShape ShapePath = PATHSHAPE_PATH);

    void SetActive(BOOL bActive) { m_bActive = bActive; }

    void SetIsPrinting(BOOL bPrinting) { m_bPrinting = bPrinting; }
    
    // whether to test the line width to decide whether to extend the path or not
    // if false, processor ALWAYS extends the line width
    void TestLineWidth(BOOL bLineWidth) { m_bLineWidthTest = bLineWidth; }

    // calculates the maximum inner contour width possible with the given controller node
    static MILLIPOINT GetMaxInnerContourWidth(NodeCompound * pNode);

private:
    BOOL m_bActive;
    BOOL m_bLineWidthTest;
    BOOL m_bPrinting;
    BOOL m_bRespectJoinType;
} ;

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

>   class ContourRecordHandler : public CamelotRecordHandler

    Author:     David_McClarnon (Xara Group Ltd) <camelotdev@xara.com>
    Created:    27/10/98
    Purpose:    Handles the reading of all contour records
    SeeAlso:    -

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

class ContourRecordHandler : public CamelotRecordHandler
{
    // Give my name out in memory dumps
    CC_DECLARE_DYNCREATE(ContourRecordHandler)

public:
    // functions that must be implemented.
    ContourRecordHandler();
    ~ContourRecordHandler();
    virtual UINT32* GetTagList();
    virtual BOOL    HandleRecord(CXaraFileRecord* pCXaraFileRecord);
} ;


#endif



    

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