Camelot: FlatFillAttribute Class Reference

Blends between two flat fill attributes. This current calls the general fill blend function. (See FillGeometryAttribute::Blend).

09585 {
09586     // Since this is a flat fill, we will use the other fill's geometry
09587     // (mainly for ArtWorks compatability)
09588 
09589     // First get the fill that we are blending to
09590     FillGeometryAttribute* OtherFill = 
09591                 (FillGeometryAttribute*)pBlendParam->GetOtherAttrVal();
09592 
09593     // Make a new object of the same type
09594     CCRuntimeClass* ObjectType = OtherFill->GetRuntimeClass();
09595     FillGeometryAttribute* pNewAttr = (FillGeometryAttribute*)ObjectType->CreateObject();
09596 
09597     if (pNewAttr == NULL)
09598     {
09599         // Fail if we couldn't create the new fill
09600         pBlendParam->SetBlendedAttrVal(NULL);
09601         return FALSE;
09602     }
09603 
09604     // Make the new fill an exact copy of the other one
09605     pNewAttr->SimpleCopy(OtherFill);
09606 
09607     // and what point along the blend we are at
09608     double Ratio = pBlendParam->GetBlendRatio();
09609     double objectRatio = pBlendParam->GetObjectRatio();
09610 
09611     // Blend the Start and End Colours
09612     DocColour BlendColour;
09613 
09614     DocColour* OtherStartCol    = OtherFill->GetStartColour();
09615     DocColour* OtherEndCol      = OtherFill->GetEndColour();
09616 
09617     DocColour TempOtherStartCol;
09618     DocColour TempOtherEndCol;
09619 
09620     // Check for a Greyscale Bitmap fill with no start or end colours
09621     // and use Black and White instead of 'No Colour'
09622     if (OtherFill->IsABitmapFill() && OtherStartCol == NULL && OtherEndCol == NULL)
09623     {
09624         if (OtherFill->GetBitmapRef() != NULL)
09625         {
09626             if (CheckForGreyscaleBitmapBlend(OtherFill->GetBitmapRef()->GetBitmap(), &TempOtherStartCol, &TempOtherEndCol))
09627             {
09628                 OtherStartCol   = &TempOtherStartCol;
09629                 OtherEndCol     = &TempOtherEndCol;
09630             }
09631         }
09632     }
09633 
09634     if (BlendFillColours(GetStartColour(), OtherStartCol, &BlendColour, Ratio, pBlendParam))
09635         pNewAttr->SetStartColour(&BlendColour);
09636 
09637     if (BlendFillColours(GetStartColour(), OtherEndCol, &BlendColour, Ratio, pBlendParam))
09638         pNewAttr->SetEndColour(&BlendColour);
09639 
09640     // CGS:  don't worry if pNewAttr->GetColourRamp () is NULL, this is handled internally by pNewAttr->GetColourRamp ()->Blend ()
09641     // (even if it is NULL, this code is still perfectly valid:  it means blend a no0n-multi-stage fill to something ....)
09642     pNewAttr->GetColourRamp ()->Blend (pNewAttr, pBlendParam, this/*->GetColourRamp ()*/, TRUE);
09643 
09644     // Blend the Control Points
09645     DocCoord BlendPoint;
09646 
09647     if (!pBlendParam->GetObjectProfileProcessing ())
09648     {
09649         // were not doing object processing - fill positions are affected by attribute ratio ....
09650         if (BlendControlPoints(GetStartPoint(), OtherFill->GetStartPoint(), &BlendPoint, Ratio, pBlendParam))
09651             pNewAttr->SetStartPoint(&BlendPoint);
09652 
09653         if (BlendControlPoints(GetEndPoint(), OtherFill->GetEndPoint(), &BlendPoint, Ratio, pBlendParam))
09654             pNewAttr->SetEndPoint(&BlendPoint);
09655 
09656         if (BlendControlPoints(GetEndPoint2(), OtherFill->GetEndPoint2(), &BlendPoint, Ratio, pBlendParam))
09657             pNewAttr->SetEndPoint2(&BlendPoint);
09658     }
09659     else
09660     {
09661         // were are doing object processing - fill positions are affected by object ratio ....
09662         if (BlendControlPoints(OtherFill->GetStartPoint(), GetStartPoint(), &BlendPoint, objectRatio, pBlendParam, TRUE))
09663             pNewAttr->SetStartPoint(&BlendPoint);
09664 
09665         if (BlendControlPoints(OtherFill->GetEndPoint(), GetEndPoint(), &BlendPoint, objectRatio, pBlendParam, TRUE))
09666             pNewAttr->SetEndPoint(&BlendPoint);
09667 
09668         if (BlendControlPoints(OtherFill->GetEndPoint2(), GetEndPoint2(), &BlendPoint, objectRatio, pBlendParam, TRUE))
09669             pNewAttr->SetEndPoint2(&BlendPoint);
09670     }
09671 
09672     // Set the new fill as the blended attribute
09673     pBlendParam->SetBlendedAttrVal(pNewAttr);
09674 
09675     return TRUE;
09676 }


Public Member Functions
	FlatFillAttribute ()
	Default Constuctor for fill attribute values.
	FlatFillAttribute (DocColour &NewColour)
virtual BOOL	Blend (BlendAttrParam *pBlendParam)
	Blends between two flat fill attributes. This current calls the general fill blend function. (See FillGeometryAttribute::Blend).
virtual NodeAttribute *	MakeNode ()
	Make a AttrFlatColourFill node from this flat fill colour attribute.
virtual void	SetStartColour (DocColour *NewCol)
	Sets the Start colour of this fill.
virtual BOOL	IsAFlatFill ()
virtual INT32	GetGeometryShape ()
virtual AttributeValue *	MouldIntoStroke (PathStrokerVector *pMoulder, double TransScale=1.0)
	Helper function for the PathStrokerVector class, which "moulds" clipart subtrees to lie along an arbitrary path.

FlatFillAttribute Class Reference

Public Member Functions

Detailed Description

Constructor & Destructor Documentation

Member Function Documentation