AttrBitmapTranspFill Class Reference

Bitmap Graduated Colour Fill Attribute class. More...

#include <fillattr2.h>

Inheritance diagram for AttrBitmapTranspFill:

List of all members.

Public Member Functions
	AttrBitmapTranspFill ()
	AttrBitmapTranspFill (Node *ContextNode, AttachNodeDirection Direction, BOOL Locked=FALSE, BOOL Mangled=FALSE, BOOL Marked=FALSE, BOOL Selected=FALSE)
void	Render (RenderRegion *pRender)
	'Renders' a Bitmap Fill Transp attribute.
Node *	SimpleCopy ()
	This method returns a shallow copy of the node with all Node pointers NULL. The function is virtual, and must be defined for all derived classes.
virtual UINT32	GetAttrNameID (void)
	Returns a string resource ID describing the attribute.
void	GetDebugDetails (StringBase *Str)
	Output details of this attribute to the Camelot debug tree dialog.
virtual UINT32	GetNodeSize () const
	For finding the size of the node.
virtual void	RenderFillMesh (RenderRegion *, DocCoord *, BOOL *, INT32 NumControlPoints=0)
virtual void	RenderFillBlobs (RenderRegion *pRender)
	Renders the grad fills arrow blob when requested to by its selected parent.
virtual BOOL	IsVisible ()
virtual BOOL	NeedsTransparency () const
	Called.
virtual CCRuntimeClass *	GetAttributeType ()
virtual AttributeValue *	GetAttributeValue ()
virtual BOOL	ChangeControlTransp (AttrTranspChange *NewTransp)
	Applies a colour to selected Fill Control Points.
AttrFillGeometry *	ChangeAttrValue (AttrValueChange *pValue)
virtual BOOL	IsATranspFill () const
	Virtual function for determining if the node is an attribute.
virtual BOOL	IsABitmapTranspFill () const
virtual BOOL	HasEquivalentDefaultValue (BOOL bAppearance=FALSE)
	Determine whether this attribute has the default value or not.
virtual BOOL	WritePreChildrenWeb (BaseCamelotFilter *pFilter)
	Writes the bitmap transparent fill record to the filter.
virtual BOOL	WritePreChildrenNative (BaseCamelotFilter *pFilter)
virtual BOOL	IsSeeThrough (BOOL CheckIndirectAttrs)
Protected Member Functions
virtual void	RenderControl (FillControl, BOOL)
	Redraws the Fill Control blobs when the selection changes.
Protected Attributes
BitmapTranspFillAttribute	Value

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Detailed Description

Bitmap Graduated Colour Fill Attribute class.

Author:

Will_Cowling (Xara Group Ltd) <camelotdev@xara.com>

Date:

22/8/94

See also:

BitmapFillAttribute

Definition at line 1958 of file fillattr2.h.

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Constructor & Destructor Documentation

AttrBitmapTranspFill::AttrBitmapTranspFill (   )  [inline]

Definition at line 1963 of file fillattr2.h. : AttrBitmapFill() {}

AttrBitmapTranspFill::AttrBitmapTranspFill (  Node *  ContextNode, AttachNodeDirection  Direction, BOOL  Locked = FALSE, BOOL  Mangled = FALSE, BOOL  Marked = FALSE, BOOL  Selected = FALSE )  [inline]

Definition at line 1964 of file fillattr2.h. : AttrBitmapFill(ContextNode, Direction, Locked, Mangled, Marked, Selected) {}

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Member Function Documentation

AttrFillGeometry* AttrBitmapTranspFill::ChangeAttrValue (  AttrValueChange *  pValue  )  [inline, virtual]

Reimplemented from AttrFillGeometry. Definition at line 1989 of file fillattr2.h. { return ChangeTransp(pValue); }

virtual BOOL AttrBitmapTranspFill::ChangeControlTransp (  AttrTranspChange *  NewTransp  )  [inline, virtual]

Applies a colour to selected Fill Control Points. Author: Will_Cowling (Xara Group Ltd) <camelotdev@xara.com> Date: 2/9/94 Parameters: NewColour,the  colour that selected control points should change to. [INPUTS] Returns: TRUE if a control point was selected, and the colour applied. See also: AttrFillGeometry::Mutate Reimplemented from AttrBitmapFill. Definition at line 1986 of file fillattr2.h. { return AttrFillGeometry::ChangeControlTransp(NewTransp); }

virtual CCRuntimeClass* AttrBitmapTranspFill::GetAttributeType (   )  [inline, virtual]

Reimplemented from NodeAttribute. Definition at line 1983 of file fillattr2.h. { return CC_RUNTIME_CLASS(AttrTranspFillGeometry); }

virtual AttributeValue* AttrBitmapTranspFill::GetAttributeValue (   )  [inline, virtual]

Implements AttrBitmapFill. Definition at line 1984 of file fillattr2.h. { return &Value; }

UINT32 AttrBitmapTranspFill::GetAttrNameID (  void   )  [virtual]

Returns a string resource ID describing the attribute. Author: Will_Cowling (Xara Group Ltd) <camelotdev@xara.com> Date: 23/8/94 Returns: Attribute description ID Reimplemented from NodeAttribute. Definition at line 15425 of file fillattr.cpp. { return (_R(IDS_BITMAPTRANSPFILL)); }

void AttrBitmapTranspFill::GetDebugDetails (  StringBase *  Str  )  [virtual]

Output details of this attribute to the Camelot debug tree dialog. Author: Will_Cowling (Xara Group Ltd) <camelotdev@xara.com> Date: 20/07/94 Parameters: Str  - the string containing details of the attribute. [OUTPUTS] Reimplemented from NodeRenderable. Definition at line 15441 of file fillattr.cpp. { #ifdef _DEBUG NodeAttribute::GetDebugDetails( Str ); String_256 TempStr; TempStr._MakeMsg( TEXT("\r\nBitmap Fill:\r\n")); (*Str) += TempStr; TempStr._MakeMsg(TEXT("\r\nStart = (#1%ld, #2%ld)"), (*GetStartPoint()).x, (*GetStartPoint()).y); (*Str) += TempStr; TempStr._MakeMsg(TEXT("\r\nEnd = (#1%ld, #2%ld) "), (*GetEndPoint()).x, (*GetEndPoint()).y); (*Str) += TempStr; TempStr._MakeMsg(TEXT("\r\n3rd = (#1%ld, #2%ld) "), (*GetEndPoint2()).x, (*GetEndPoint2()).y); (*Str) += TempStr; BitmapInfo Info; KernelBitmap* KerBmp = ((BitmapTranspFillAttribute*)GetAttributeValue())->GetBitmap(); if (KerBmp && KerBmp->ActualBitmap && KerBmp->ActualBitmap->GetInfo( &Info ) ) { TempStr._MakeMsg( _T("\r\nBits = (#1%ux#2%ux#3%u) "), Info.PixelWidth, Info.PixelHeight, Info.PixelDepth ); (*Str) += TempStr; } #endif }

UINT32 AttrBitmapTranspFill::GetNodeSize (   )  const [virtual]

For finding the size of the node. Author: Will_Cowling (Xara Group Ltd) <camelotdev@xara.com> Date: 23/8/94 Returns: The size of the node in bytes See also: Node::GetSubtreeSize Reimplemented from Node. Definition at line 15489 of file fillattr.cpp. { return sizeof(AttrBitmapTranspFill); }

BOOL AttrBitmapTranspFill::HasEquivalentDefaultValue (  BOOL  bAppearance = FALSE  )  [virtual]

Determine whether this attribute has the default value or not. Author: Phil_Martin (Xara Group Ltd) <camelotdev@xara.com> Date: 11/05/2005 Parameters: -  [INPUTS] -  [OUTPUTS] Returns: TRUE if this node has a value equivalent to the relevant FALSE otherwise Errors: - See also: - Reimplemented from NodeAttribute. Definition at line 15825 of file fillattr.cpp. { // Slight bodge - we will assume that the default transparency is fully opaque if (bAppearance) return (Value.TranspType==TT_NoTranspType || (Value.TranspType==TT_Mix && Value.Transp == 0 && Value.EndTransp==0)); else return FALSE; }

virtual BOOL AttrBitmapTranspFill::IsABitmapTranspFill (   )  const [inline, virtual]

Reimplemented from Node. Definition at line 1992 of file fillattr2.h. { return TRUE; }

virtual BOOL AttrBitmapTranspFill::IsATranspFill (   )  const [inline, virtual]

Virtual function for determining if the node is an attribute. Author: Will_Cowling (Xara Group Ltd) <camelotdev@xara.com> Date: 13/2/95 Parameters: -  [INPUTS] -  [OUTPUTS] Returns: TRUE if the node is a NodeAttribute, will return TRUE Errors: Reimplemented from NodeAttribute. Definition at line 1991 of file fillattr2.h. { return TRUE; }

virtual BOOL AttrBitmapTranspFill::IsSeeThrough (  BOOL  CheckIndirectAttrs  )  [inline, virtual]

Reimplemented from NodeAttribute. Definition at line 2005 of file fillattr2.h. { return (GetTesselation() == RT_Simple || (GetStartTransp() != NULL && *GetStartTransp() != 0) || (GetEndTransp() != NULL && *GetEndTransp() != 0)); }

virtual BOOL AttrBitmapTranspFill::IsVisible (   )  [inline, virtual]

Reimplemented from AttrFillGeometry. Definition at line 1980 of file fillattr2.h. { return IsTranspMeshVisible(); }

BOOL AttrBitmapTranspFill::NeedsTransparency (   )  const [virtual]

Called. Author: Justin_Flude (Xara Group Ltd) <camelotdev@xara.com> Date: 6/1/95 Parameters: -  [INPUTS] -  [OUTPUTS] Returns: TRUE if this node requires transparency mode to render properly. Errors: - See also: Node::AttachNode Reimplemented from AttrFillGeometry. Definition at line 20187 of file fillattr.cpp. { return TRUE; }

void AttrBitmapTranspFill::Render (  RenderRegion *  pRender  )  [virtual]

'Renders' a Bitmap Fill Transp attribute. Author: Will_Cowling (Xara Group Ltd) <camelotdev@xara.com> Date: 23/8/94 Reimplemented from NodeAttribute. Definition at line 15383 of file fillattr.cpp. { pRender->SetTranspFillGeometry(&Value, FALSE); }

void AttrBitmapTranspFill::RenderControl (  FillControl  Control, BOOL  RenderOn )  [protected, virtual]

Redraws the Fill Control blobs when the selection changes. Author: Will_Cowling (Xara Group Ltd) <camelotdev@xara.com> Date: 26/7/94 Parameters: Control,the  FillControl to redraw [INPUTS] RenderOn = TRUE, if we're putting the control on. FALSE if taking it off. See also: FillControl Reimplemented from AttrFillGeometry. Definition at line 15666 of file fillattr.cpp. { #if !defined(EXCLUDE_FROM_RALPH) DocRect ControlRect; // Ignore if we're not in the tree yet // We may be a tempory clone, or something NodeRenderable* pParent = (NodeRenderable*)FindParent(); if (pParent == NULL) return; if (IsBlobSame(Control)) return; // Ignore if same as the last blob rendered Spread* pSpread = this->FindParentSpread(); DocCoord StartPoint = *GetStartPoint(); DocCoord EndPoint = *GetEndPoint(); DocCoord EndPoint2 = *GetEndPoint2(); DocCoord CentrePoint; DocCoord Drag2Blob; DocCoord Drag3Blob; GetBitmapVirtualPoints(StartPoint, EndPoint, EndPoint2, &CentrePoint, &Drag2Blob, &Drag3Blob); switch (Control) { case FILLCONTROL_STARTPOINT: if (GetStartPoint() != NULL) { // Redraw the Start Point Blob (Camelot.GetBlobManager())->GetBlobRect(CentrePoint, &ControlRect); RenderFillControl(RenderOn, &ControlRect, pSpread, pParent); } break; case FILLCONTROL_ENDPOINT: if (GetEndPoint() != NULL) { // Redraw BOTH End Point Blobs (Camelot.GetBlobManager())->GetBlobRect(Drag2Blob, &ControlRect); RenderFillControl(RenderOn, &ControlRect, pSpread, pParent); } if (GetEndPoint2() != NULL) { (Camelot.GetBlobManager())->GetBlobRect(Drag3Blob, &ControlRect); RenderFillControl(RenderOn, &ControlRect, pSpread, pParent); } break; case FILLCONTROL_SECONDARYPOINT: if (GetEndPoint2() != NULL) { // Redraw BOTH End Point Blobs (Camelot.GetBlobManager())->GetBlobRect(Drag2Blob, &ControlRect); RenderFillControl(RenderOn, &ControlRect, pSpread, pParent); } if (GetEndPoint2() != NULL) { (Camelot.GetBlobManager())->GetBlobRect(Drag3Blob, &ControlRect); RenderFillControl(RenderOn, &ControlRect, pSpread, pParent); } break; } #endif }

void AttrBitmapTranspFill::RenderFillBlobs (  RenderRegion *  pRender  )  [virtual]

Renders the grad fills arrow blob when requested to by its selected parent. Author: Will_Cowling (Xara Group Ltd) <camelotdev@xara.com> Date: 13/9/94 Parameters: pRender  - The region to render the blobs to. [INPUTS] Reimplemented from AttrBitmapFill. Definition at line 15505 of file fillattr.cpp. { #if !defined(EXCLUDE_FROM_RALPH) if (!IsVisible()) return; // We're Not in Fill Transparency Mode // Don't bother if this fill is being edited as a copy of it // we be rendered thoughout the drag op if (IsFillBeingEdited()) return; // Ignore this if the mesh is the same as the last one rendered. if (CheckPreviousFillMesh()) return; DocCoord ControlPoints[5]; ControlPoints[FILLCONTROL_STARTPOINT] = (*GetStartPoint()); ControlPoints[FILLCONTROL_ENDPOINT] = (*GetEndPoint()); ControlPoints[FILLCONTROL_SECONDARYPOINT] = (*GetEndPoint2()); // Render a nice pretty Fill Mesh thingy RenderFillMesh(pRender, ControlPoints, SelectionState, 5); // This call was removed by Gerry (2/9/96) as it causes blob problems // If we are removing blobs then force all blobs to be deselected // if ((Camelot.GetBlobManager())->IsRemovingBlobs()) // DeselectAllNoRedraw(); #endif }

void AttrBitmapTranspFill::RenderFillMesh (  RenderRegion *  , DocCoord *  , BOOL *  , INT32  NumControlPoints = 0 )  [virtual]

Reimplemented from AttrBitmapFill. Definition at line 15535 of file fillattr.cpp. { #if !defined(EXCLUDE_FROM_RALPH) DocCoord StartPoint = ControlPoints[FILLCONTROL_STARTPOINT]; DocCoord EndPoint = ControlPoints[FILLCONTROL_ENDPOINT]; if (StartPoint == EndPoint) return; if (SelState == NULL) { // If no selection state passed in, then assume // all the points are deselected BOOL Selected[NUMCONTROLPOINTS]; for (INT32 i=0; i< NumControlPoints; i++) { Selected[i] = FALSE; } SelState = Selected; } DocCoord EndPoint2 = ControlPoints[FILLCONTROL_SECONDARYPOINT]; DocCoord Start; DocCoord End; DocCoord End2; // Work out the Virtual positions of the Bitmap Controls GetBitmapVirtualPoints(StartPoint, EndPoint, EndPoint2, &Start, &End, &End2); // Remember what attributes were here before pRender->SaveContext(); // Get the current blob size in Doc Units INT32 BlobSize = (Camelot.GetBlobManager())->GetBlobSize(); // Calculate the Arrow on the End of the Line Path ArrowPath; ArrowPath.Initialise(); DocCoord LineEnd; MakeMeshArrow(&ArrowPath, Start, End, &LineEnd); // Calculate the Arrow on the End of the Line2 Path ArrowPath2; ArrowPath2.Initialise(); DocCoord LineEnd2; MakeMeshArrow(&ArrowPath2, Start, End2, &LineEnd2); // Set the line colours etc as we need them pRender->SetLineWidth(0); pRender->SetLineColour(COLOUR_UNSELECTEDBLOB); pRender->SetFillColour(COLOUR_UNSELECTEDBLOB); // First Draw the Line pRender->SetLineWidth(BlobSize/4); pRender->DrawLine(Start, LineEnd); // Draw the secondary line pRender->DrawLine(Start, LineEnd2); // Render an Arrow at the end of the line pRender->SetLineWidth(0); pRender->SetLineColour(COLOUR_NONE); pRender->DrawPath(&ArrowPath); // and on the end of the secondary line pRender->DrawPath(&ArrowPath2); if (DraggedFill == this) { // If we are being dragged then draw a Parallelgram to // show the shape of the bitmap pRender->SetLineColour(COLOUR_SELECTEDBLOB); pRender->SetFillColour(COLOUR_NONE); Path ParaPath; ParaPath.Initialise(); MakeMeshParallelagram(&ParaPath, Start, End, End2); // Draw the parallelagram pRender->DrawPath(&ParaPath); } // Now Render the blobs on the path // Draw a blob at the start point if (SelState[FILLCONTROL_STARTPOINT]) { // Draw Selected Blob // pRender->SetLineColour(COLOUR_SELECTEDBLOB); pRender->SetLineColour(COLOUR_NONE); pRender->SetFillColour(COLOUR_SELECTEDBLOB); pRender->DrawBlob(Start, BT_SELECTED); } else { // Draw Unselected Blob // pRender->SetLineColour(COLOUR_UNSELECTEDBLOB); pRender->SetLineColour(COLOUR_NONE); pRender->SetFillColour(COLOUR_UNSELECTEDBLOB); pRender->DrawBlob(Start, BT_UNSELECTED); } // Draw a blob at the end point if (SelState[FILLCONTROL_ENDPOINT]) { // Draw Selected Blob // pRender->SetLineColour(COLOUR_SELECTEDBLOB); pRender->SetLineColour(COLOUR_NONE); pRender->SetFillColour(COLOUR_SELECTEDBLOB); pRender->DrawBlob(End, BT_SELECTED); pRender->DrawBlob(End2,BT_SELECTED); } else { // Draw Unselected Blob // pRender->SetLineColour(COLOUR_UNSELECTEDBLOB); pRender->SetLineColour(COLOUR_NONE); pRender->SetFillColour(COLOUR_UNSELECTEDBLOB); pRender->DrawBlob(End, BT_UNSELECTED); pRender->DrawBlob(End2,BT_UNSELECTED); } // Put all the old attributes back pRender->RestoreContext(); #endif }

Node * AttrBitmapTranspFill::SimpleCopy (  void   )  [virtual]

This method returns a shallow copy of the node with all Node pointers NULL. The function is virtual, and must be defined for all derived classes. Author: Will_Cowling (Xara Group Ltd) <camelotdev@xara.com> Date: 23/8/94 Returns: A copy of the node, or NULL if memory runs out Errors: If memory runs out when trying to copy, then ERROR is called with an out of memory error and the function returns NULL. Scope: protected Reimplemented from NodeAttribute. Definition at line 15403 of file fillattr.cpp. { AttrBitmapTranspFill* NodeCopy = new AttrBitmapTranspFill(); if (NodeCopy == NULL) return NULL; CopyNodeContents(NodeCopy); return NodeCopy; }

BOOL AttrBitmapTranspFill::WritePreChildrenNative (  BaseCamelotFilter *  pFilter  )  [virtual]

Reimplemented from Node. Definition at line 15799 of file fillattr.cpp. { #ifdef DO_EXPORT return WritePreChildrenWeb(pFilter); #else return FALSE; #endif }

BOOL AttrBitmapTranspFill::WritePreChildrenWeb (  BaseCamelotFilter *  pFilter  )  [virtual]

Writes the bitmap transparent fill record to the filter. > virtual BOOL AttrBitmapTranspFill::WritePreChildrenWeb(BaseCamelotFilter* pFilter) Author: Mark_Neves (Xara Group Ltd) <camelotdev@xara.com> Date: 26/6/96 Parameters: pFilter  = ptr to the filter [INPUTS] Returns: TRUE if record is written, FALSE if not See also: - Reimplemented from Node. Definition at line 15755 of file fillattr.cpp. { #ifdef DO_EXPORT ERROR2IF(pFilter == NULL,FALSE,"NULL filter param"); BOOL ok = TRUE; // Find the kernel bmp KernelBitmap *pBmp = Value.GetBitmap(); ERROR2IF(pBmp == NULL,FALSE,"CXaraFileNodeBitmap::WriteNodeBitmap pBmp is NULL"); // Must write out the bitmap first INT32 BitmapRecordRef = pFilter->WriteRecord(pBmp); ERROR2IF(BitmapRecordRef == 0,FALSE,"CXaraFileNodeBitmap::WriteNodeBitmap BitmapRecordRef is 0"); // Is the bmp reference ok? if (ok) ok = (BitmapRecordRef != 0); CamelotFileRecord Rec(pFilter,TAG_BITMAPTRANSPARENTFILL,TAG_BITMAPTRANSPARENTFILL_SIZE); if (ok) ok = Rec.Init(); if (ok) ok = Rec.WriteCoord(Value.StartPoint); if (ok) ok = Rec.WriteCoord(Value.EndPoint); if (ok) ok = Rec.WriteCoord(Value.EndPoint2); if (ok) ok = Rec.WriteBYTE(BYTE(Value.Transp)); if (ok) ok = Rec.WriteBYTE(BYTE(Value.EndTransp)); if (ok) ok = Rec.WriteBYTE(BYTE(Value.TranspType)); if (ok) ok = Rec.WriteReference(BitmapRecordRef); if (ok) ok = Rec.WriteDOUBLE ((double) GetProfile ().GetBias ()); if (ok) ok = Rec.WriteDOUBLE ((double) GetProfile ().GetGain ()); if (ok) ok = pFilter->Write(&Rec); if (!ok) pFilter->GotError(_R(IDE_FILE_WRITE_ERROR)); return ok; #else return FALSE; #endif }

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Member Data Documentation

BitmapTranspFillAttribute AttrBitmapTranspFill::Value [protected]

Definition at line 2012 of file fillattr2.h.

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The documentation for this class was generated from the following files:

• Kernel/fillattr2.h (r1785/r1708)
• Kernel/fillattr.cpp (r1785/r1771)

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