AttrTextureColourFill Class Reference

Texture fill attribute class. Acts as a base class for common code used by texture fills such as FractalColourFill and NoiseColourFill DO NOT INSTATIATE AN OBJECT OF THIS TYPE! More...

#include <fillattr2.h>

Inheritance diagram for AttrTextureColourFill:

List of all members.

Public Member Functions
	AttrTextureColourFill ()
	Constructor for a texture fill.
	AttrTextureColourFill (Node *ContextNode, AttachNodeDirection Direction, BOOL Locked=FALSE, BOOL Mangled=FALSE, BOOL Marked=FALSE, BOOL Selected=FALSE)
	~AttrTextureColourFill ()
	Destructor for a texture fill.
virtual void	Render (RenderRegion *pRender)
	'Renders' a Fractal Fill colour attribute.
virtual 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 void	GetDebugDetails (StringBase *Str)
	Output details of this attribute to the Camelot debug tree dialog.
virtual UINT32	GetAttrNameID (void)
	Returns a string resource ID describing the attribute.
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 void	OnControlDrag (DocCoord, FillControl &, ClickModifiers)
virtual FillControl	CheckForControlHit (DocCoord &)
	Check to see if a click was on a Fill Control Point.
virtual BOOL	IsVisible ()
virtual CCRuntimeClass *	GetAttributeType ()
virtual BOOL	ChangeControlColour (AttrColourChange *NewCol)
	Applies a colour to selected Fill Control Points.
AttrFillGeometry *	ChangeAttrValue (AttrValueChange *pValue)
virtual BOOL	IsAColourFill () const
	Virtual function for determining if the node is a Colour Fill attribute.
virtual AttributeValue *	GetAttributeValue ()
virtual BOOL	IsSeeThrough (BOOL CheckIndirectAttrs)
Protected Member Functions
virtual void	RenderControl (FillControl, BOOL)
	Redraws the Fill Control blobs when the selection changes.

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Detailed Description

Texture fill attribute class. Acts as a base class for common code used by texture fills such as FractalColourFill and NoiseColourFill DO NOT INSTATIATE AN OBJECT OF THIS TYPE!

Author:

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

Date:

22/8/94

See also:

AttrFractalFill

Definition at line 2076 of file fillattr2.h.

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Constructor & Destructor Documentation

AttrTextureColourFill::AttrTextureColourFill (   )

Constructor for a texture fill. Author: Mike_Kenny (Xara Group Ltd) <camelotdev@xara.com> Date: 16/9/94 Definition at line 16150 of file fillattr.cpp. { }

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

Definition at line 2082 of file fillattr2.h. : AttrFractalFill(ContextNode, Direction, Locked, Mangled, Marked, Selected) {}

AttrTextureColourFill::~AttrTextureColourFill (   )

Destructor for a texture fill. Author: Mike_Kenny (Xara Group Ltd) <camelotdev@xara.com> Date: 16/9/94 Definition at line 16164 of file fillattr.cpp. { }

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Member Function Documentation

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

Reimplemented from AttrFillGeometry. Definition at line 2112 of file fillattr2.h. { return ChangeColour(pValue); }

virtual BOOL AttrTextureColourFill::ChangeControlColour (  AttrColourChange *  NewCol  )  [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 2109 of file fillattr2.h. { return AttrFillGeometry::ChangeControlColour(NewCol); }

FillControl AttrTextureColourFill::CheckForControlHit (  DocCoord &  ClickPos  )  [virtual]

Check to see if a click was on a Fill Control Point. Author: Will_Cowling (Xara Group Ltd) <camelotdev@xara.com> Date: 21/07/94 Parameters: ClickPos,The  DocCoord position to check. [INPUTS] Returns: A FillControl, indicating the Fill Control Point Hit, or FILLCONTROL_NULL, if no points hit. See also: FillControl Reimplemented from AttrBitmapFill. Definition at line 16354 of file fillattr.cpp. { #if !defined(EXCLUDE_FROM_RALPH) if (!GetApplication()->GetBlobManager()->GetCurrentInterest().Fill || !IsVisible()) return FILLCONTROL_NULL; // Set up a default, that indicates not control points hit FillControl HitControl = FILLCONTROL_NULL; DocRect BlobRect; DocCoord StartPoint = *GetStartPoint(); DocCoord EndPoint = *GetEndPoint(); DocCoord EndPoint2 = *GetEndPoint2(); // Bodge Alert !! // Bitmap fills have a complicated control point system. // The actual control points needed for rendering are the Bottom Left, // Top Left, and Bottom Right points of the bitmap. But on screen the // points seen and moved are the Centre, Middle Right, and Middle Top. // So we need to convert the click points into vitual points before // we do the hit test. DocCoord CentrePoint; DocCoord Drag2Blob; DocCoord Drag3Blob; GetBitmapVirtualPoints(StartPoint, EndPoint, EndPoint2, &CentrePoint, &Drag2Blob, &Drag3Blob); // Get the rectangle around the Centre Control Point (Camelot.GetBlobManager())->GetBlobRect(CentrePoint, &BlobRect); // See if the Click Position is within the rectangle if ( BlobRect.ContainsCoord(ClickPos) ) HitControl = FILLCONTROL_STARTPOINT; // Get the rectangle around the First End Point (Camelot.GetBlobManager())->GetBlobRect(Drag2Blob, &BlobRect); // See if the Click Position is within the rectangle if ( BlobRect.ContainsCoord(ClickPos) ) HitControl = FILLCONTROL_ENDPOINT; // Get the rectangle around the Second End Point (Camelot.GetBlobManager())->GetBlobRect(Drag3Blob, &BlobRect); // See if the Click Position is within the rectangle if ( BlobRect.ContainsCoord(ClickPos) ) HitControl = FILLCONTROL_SECONDARYPOINT; return HitControl; #else return FILLCONTROL_NULL; #endif }

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

Reimplemented from NodeAttribute. Definition at line 2107 of file fillattr2.h. { return CC_RUNTIME_CLASS(AttrFillGeometry); }

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

Implements AttrBitmapFill. Reimplemented in AttrFractalColourFill, and AttrNoiseColourFill. Definition at line 2115 of file fillattr2.h. { return NULL; }

UINT32 AttrTextureColourFill::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. Reimplemented in AttrFractalColourFill, and AttrNoiseColourFill. Definition at line 16210 of file fillattr.cpp. { return (_R(IDS_BITMAPFILL)); }

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

Output details of this attribute to the Camelot debug tree dialog. Author: Mike_Kenny (Xara Group Ltd) <camelotdev@xara.com> Date: 20/07/94 Parameters: Str  - the string containing details of the attribute. [OUTPUTS] Reimplemented from NodeRenderable. Reimplemented in AttrFractalColourFill, and AttrNoiseColourFill. Definition at line 16240 of file fillattr.cpp. { #ifdef _DEBUG NodeAttribute::GetDebugDetails( Str ); String_256 TempStr; TempStr._MakeMsg( TEXT("\r\nTexture Fill:\r\n")); (*Str) += TempStr; // TempStr._MakeMsg(TEXT("\r\nStart")); // (*GetStartColour()).GetDebugDetails(&TempStr); // (*Str) += TempStr; // TempStr._MakeMsg(TEXT("\r\nEnd")); // (*GetEndColour()).GetDebugDetails(&TempStr); // (*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) \n"), (*GetEndPoint2()).x, (*GetEndPoint2()).y); (*Str) += TempStr; #endif }

virtual BOOL AttrTextureColourFill::IsAColourFill (   )  const [inline, virtual]

Virtual function for determining if the node is a Colour Fill attribute. Author: Will_Cowling (Xara Group Ltd) <camelotdev@xara.com> Date: 13/2/95 Parameters: -  [INPUTS] -  [OUTPUTS] Returns: TRUE if the node is a AttrColourFill, will return TRUE Errors: Reimplemented from NodeAttribute. Definition at line 2114 of file fillattr2.h. { return TRUE; }

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

Reimplemented from NodeAttribute. Definition at line 2123 of file fillattr2.h. { return (GetStartColour() != NULL && GetStartColour()->IsTransparent() && GetEndColour() != NULL && GetEndColour()->IsTransparent()); return false; }

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

Reimplemented from AttrFillGeometry. Definition at line 2105 of file fillattr2.h. { return IsColourMeshVisible(); }

void AttrTextureColourFill::OnControlDrag (  DocCoord  , FillControl &  , ClickModifiers  )  [virtual]

Reimplemented from AttrBitmapFill. Definition at line 16422 of file fillattr.cpp. { #if !defined(EXCLUDE_FROM_RALPH) // Get the current Control Point Positions DocCoord StartPoint = *GetStartPoint(); DocCoord EndPoint = *GetEndPoint(); DocCoord EndPoint2 = *GetEndPoint2(); DocCoord CentrePoint; DocCoord Drag2Blob; DocCoord Drag3Blob; // Bodge Alert !! // Bitmap fills have a complicated control point system. // The actual control points needed for rendering are the Bottom Left, // Top Left, and Bottom Right points of the bitmap. But on screen the // points seen and moved are the Centre, Middle Right, and Middle Top. // So we need to convert the click points into vitual points before // we start dragging them about. GetBitmapVirtualPoints(StartPoint, EndPoint, EndPoint2, &CentrePoint, &Drag2Blob, &Drag3Blob); INT32 dx, dy; // Which control is being dragged ? switch (DragControl) { case FILLCONTROL_STARTPOINT: // They're dragging the Centre Point dx = CentrePoint.x - Pos.x; dy = CentrePoint.y - Pos.y; // Move the other points relative Drag2Blob.translate(-dx, -dy); Drag3Blob.translate(-dx, -dy); CentrePoint = Pos; break; case FILLCONTROL_ENDPOINT: // If the Constrain key is down then constrain the Angle of the // point, relative to the centre position. if (ClickMods.Constrain) DocView::ConstrainToAngle(CentrePoint, &Pos); if (ClickMods.Adjust) { // Shift is pressed, so lock the aspect ratio of the bitmap mesh double OldLen = CentrePoint.Distance(Drag2Blob); double NewLen = CentrePoint.Distance(Pos); double Ratio = 1.0; if (OldLen == 0) Ratio = 0; else Ratio = NewLen/OldLen; // Calculate the new point based on the aspect ratio Drag3Blob = MakeLineAtAngle(CentrePoint, Pos, 90, INT32(CentrePoint.Distance(Drag3Blob) * Ratio)); } Drag2Blob = Pos; break; case FILLCONTROL_SECONDARYPOINT: // If the Constrain key is down then constrain the Angle of the // point, relative to the centre position. if (ClickMods.Constrain) DocView::ConstrainToAngle(CentrePoint, &Pos); if (ClickMods.Adjust) { // Shift is pressed, so lock the aspect ratio of the bitmap mesh double OldLen = CentrePoint.Distance(Drag3Blob); double NewLen = CentrePoint.Distance(Pos); double Ratio = 1.0; if (OldLen == 0) Ratio = 0; else Ratio = NewLen/OldLen; // Calculate the new point based on the aspect ratio Drag2Blob = MakeLineAtAngle(CentrePoint, Pos, -90, INT32(CentrePoint.Distance(Drag2Blob) * Ratio)); } Drag3Blob = Pos; break; } // Now we have to convert the Vitual Coords back into real // bitmap control points. GetBitmapRealPoints(CentrePoint, Drag2Blob, Drag3Blob, &StartPoint, &EndPoint, &EndPoint2); // Store the new points back in the Fill SetStartPoint(&StartPoint); SetEndPoint(&EndPoint); SetEndPoint2(&EndPoint2); #endif }

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

'Renders' a Fractal Fill colour attribute. Author: Will_Cowling (Xara Group Ltd) <camelotdev@xara.com> Date: 23/8/94 Reimplemented from NodeAttribute. Definition at line 16284 of file fillattr.cpp. { if (GetBitmap() == NULL || GetBitmap()->ActualBitmap == NULL) { if (!RecalcFractal()) return; } pRender->SetFillGeometry((ColourFillAttribute*)GetAttributeValue(), FALSE); }

void AttrTextureColourFill::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] See also: FillControl Reimplemented from AttrFillGeometry. Definition at line 16543 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 AttrTextureColourFill::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 16308 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 AttrTextureColourFill::RenderFillMesh (  RenderRegion *  , DocCoord *  , BOOL *  , INT32  NumControlPoints = 0 )  [virtual]

Reimplemented from AttrBitmapFill. Definition at line 16637 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 * AttrTextureColourFill::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. Reimplemented in AttrFractalColourFill, and AttrNoiseColourFill. Definition at line 16185 of file fillattr.cpp. { TRACEUSER( "Mike", _T("AttrTextureColourFill::SimpleCopy() called. This should NOT happen.")); AttrTextureColourFill* NodeCopy = new AttrTextureColourFill(); if (NodeCopy == NULL) return NULL; CopyNodeContents(NodeCopy); return NodeCopy; }

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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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