// $Id: nodepath.cpp 1688 2006-08-10 12:05:20Z gerry $ /* @@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 ---------------------------------- This file is part of Xara LX. Xara LX is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License version 2 as published by the Free Software Foundation. Xara LX and its component source files are distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. 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Xara Group Ltd, Gaddesden Place, Hemel Hempstead, HP2 6EX, UK. http://www.xara.com/ =================================XARAHEADEREND============================ */ // The Renderable Path Code /* */ #include "camtypes.h" #include "nodepath.h" #include //#include "docview.h" - in camtypes.h [AUTOMATICALLY REMOVED] //#include "becomea.h" - in camtypes.h [AUTOMATICALLY REMOVED] #include "blobs.h" #include "contmenu.h" #include "lineattr.h" #include "ophist.h" #include "opbreak.h" #include "pathedit.h" #include "snap.h" #include "pathops.h" #include "nodetxts.h" #include "saveeps.h" //#include "camfiltr.h" - in camtypes.h [AUTOMATICALLY REMOVED] #include "cxftags.h" #include "cxfile.h" //#include "cxfrec.h" - in camtypes.h [AUTOMATICALLY REMOVED] #include "rechpath.h" //#include "simon.h" //#include "rik.h" //#include "jim.h" //#include "tim.h" #include "gclips.h" //#include "mario.h" #include "extender.h" #include "ngcore.h" // NameGallery, for stretching functionality #include "gdraw.h" //#include "rndrgn.h" #include "brshattr.h" #include "qualattr.h" //#include "blendatt.h" #include "nodebldr.h" //#include "ndbldpth.h" //#include "fixmem.h" - in camtypes.h [AUTOMATICALLY REMOVED] #include "gblend.h" #include "blndhelp.h" #include "opdrbrsh.h" #include "rsmooth.h" //For retrosmoothing #include "strkattr.h" //For attrstroketype #include "ppstroke.h" #include "nodeclip.h" // for pathbecomea #include "attrmap.h" // Put my version Number into the About box DECLARE_SOURCE( "$Revision: 1688 $" ); CC_IMPLEMENT_DYNCREATE( NodePath, NodeRenderableInk ) CC_IMPLEMENT_DYNAMIC(PathRecordHandler,CamelotRecordHandler) CC_IMPLEMENT_DYNAMIC(PathFlagsRecordHandler,CamelotRecordHandler) // Declare smart memory handling in Debug builds #define new CAM_DEBUG_NEW #define CONVERTSTROKES // comment this out to disable converting strokes for bevelling/contouring /*********************************************************************************************** > NodePath::NodePath( Node* ContextNode, AttachNodeDirection Direction, const DocRect& BoundingRect, BOOL Locked = FALSE, BOOL Mangled = FALSE, BOOL Marked = FALSE, BOOL Selected = FALSE, BOOL Renderable = FALSE ) Author: Rik_Heywood (Xara Group Ltd) Created: 26/4/93 Inputs: ContextNode: Pointer to a node which this node is to be attached to. Direction: Specifies the direction in which the node is to be attached to the ContextNode. The values this variable can take are as follows: PREV : Attach node as a previous sibling of the context node NEXT : Attach node as a next sibling of the context node FIRSTCHILD: Attach node as the first child of the context node LASTCHILD : Attach node as a last child of the context node BoundingRect: Bounding rectangle The remaining inputs specify the status of the node: Locked: Is node locked ? Mangled: Is node mangled ? Marked: Is node marked ? Selected: Is node selected ? Purpose: This constructor initialises the nodes flags and links it to ContextNode in the direction specified by Direction. All neccesary tree links are updated. Note: SetUpPath() must be called before the NodePath is in a state in which it can be used. SeeAlso: NodePath::SetUpPath() Errors: An assertion error will occur if ContextNode is NULL ***********************************************************************************************/ NodePath::NodePath(Node* ContextNode, AttachNodeDirection Direction, BOOL Locked, BOOL Mangled, BOOL Marked, BOOL Selected ):NodeRenderableInk(ContextNode, Direction, Locked, Mangled, Marked, Selected ) { CurrentRotation = 0.0; } /********************************************************************************************* > NodePath::NodePath() Author: Simon_Maneggio (Xara Group Ltd) Created: 04/6/93 Inputs: - Outputs: - Returns: - Purpose: This constructor creates a NodePath linked to no other with all status flags false and an uninitialized bounding rectangle. Note: SetUpPath() must be called before the NodePath is in a state in which it can be used. SeeAlso: SetUpPath **********************************************************************************************/ /* Technical Notes: The default constructor is required so that SimpleCopy will work */ NodePath::NodePath(): NodeRenderableInk() { CurrentRotation = 0.0; } /******************************************************************************************** > virtual BOOL NodePath::IsNodePath() Author: Mike_Kenny (Xara Group Ltd) Created: 20/03/95 Returns: TRUE => This node is an instance of NodePath. FALSE => otherwise. Purpose: Override the node virtual function IsNodePath() and return TRUE as we definitely are one. ********************************************************************************************/ BOOL NodePath::IsNodePath() const { return TRUE; } /*********************************************************************************************** > BOOL NodePath::SetUpPath( INT32 RequiredSize = 32, INT32 BlockSize = 32 ) Author: Simon_Maneggio (Xara Group Ltd) Created: 04/5/93 Inputs: RequiredSize - The size of the initial block of memory to be allocated to the path. BlockSize - The size of the block asked for by the path object when it runs out of space. Returns: TRUE if the path was init'ed ok, FALSE otherwise Purpose: To initialise the Nodepath into a state that can be used, by allocating memory, setting up member variables properly and inserting an EndPath element into the path ***********************************************************************************************/ BOOL NodePath::SetUpPath(INT32 RequiredSize, INT32 BlockSize) { CurrentRotation = 0.0; return (InkPath.Initialise(RequiredSize, BlockSize)); } /*********************************************************************************************** > void NodePath::ShowDebugTreeDetails() const Author: Rik_Heywood (Xara Group Ltd) Created: 26/5/93 Purpose: Displays debugging info of the tree SeeAlso: NodeRenderableInk::ShowDebugTreeDetails ***********************************************************************************************/ #ifdef _DEBUG void NodePath::ShowDebugTreeDetails() const { TRACE( _T("Path ")); // Display a bit of debugging info // For now, we will just call the base class version NodeRenderableInk::ShowDebugTreeDetails(); //InkPath.DumpWholePath(); } #endif /******************************************************************************************** > void* NodeRenderable::GetDebugDetails(StringBase* Str) Author: Simon_Maneggio (Xara Group Ltd) Created: 21/9/93 Outputs: Str: String giving debug info about the node Purpose: For obtaining debug information about the Node ********************************************************************************************/ void NodePath::GetDebugDetails( StringBase* Str ) { #ifdef _DEBUG // Call base class NodeRenderableInk::GetDebugDetails( Str ); InkPath.FindStartOfPath(); String_256 TempStr; (*Str) += TEXT( "\r\nPath Data Dump\r\n" ); TempStr._MakeMsg( TEXT( "#1%ld bytes used\r\n"), InkPath.GetPathByteLength() ); (*Str) += TempStr; #if !defined(EXCLUDE_FROM_RALPH) DocRect BlobRect = GetBlobBoundingRect(); TempStr._MakeMsg( TEXT("Blob Bounding Rect :-\r\n\t#1%ld,\t#2%ld\r\n\t#3%ld,\t#4%ld\r\n"), BlobRect.lo.x, BlobRect.lo.y, BlobRect.hi.x, BlobRect.hi.y ); (*Str) += TempStr; #endif TempStr._MakeMsg(TEXT("The Path is #1%sFilled and #2%sStroked\r\n"), InkPath.IsFilled ? "" : "not ", InkPath.IsStroked ? "" : "not "); (*Str) += TempStr; (*Str) += TEXT( "\r\nNum\tType\tX Coord\tY Coord\r\n" ); PathVerb* Verbs = InkPath.GetVerbArray(); DocCoord* Coords = InkPath.GetCoordArray(); PathFlags* Flags = InkPath.GetFlagArray(); INT32 numcoords = InkPath.GetNumCoords(); for (INT32 i=0; i virtual UINT32 NodePath::GetNodeSize() const Author: Simon_Maneggio (Xara Group Ltd) Created: 6/10/93 Inputs: - Outputs: - Returns: The size of the path node in bytes Purpose: For finding the size of the node SeeAlso: Node::GetSubtreeSize ********************************************************************************************/ UINT32 NodePath::GetNodeSize() const { return (sizeof(NodePath)+InkPath.GetPathByteLength()); } /*********************************************************************************************** > virtual Node* NodePath::SimpleCopy() Author: Rik_Heywood (Xara Group Ltd) Created: 26/5/93 Returns: Pointer to a Node Purpose: Makes a copy of all the data in the node ***********************************************************************************************/ Node* NodePath::SimpleCopy() { NodePath* NodeCopy = new NodePath(); if (NodeCopy) CopyNodeContents(NodeCopy); return NodeCopy; } /*********************************************************************************************** > void NodePath::CopyNodeContents( Node* NodeCopy) Author: Rik_Heywood (Xara Group Ltd) Created: 26/5/93 Inputs: NodeCopy - The node to copy Purpose: Copies the data in the node by first calling the base class to get it to copy its stuff, and then copying its own stuff Scope: protected SeeAlso: NodeRenderableInk::CopyNodeContents ***********************************************************************************************/ void NodePath::CopyNodeContents( NodePath* NodeCopy) { NodeRenderableInk::CopyNodeContents( NodeCopy ); //Copy contents specific to derived class here if (NodeCopy->InkPath.Initialise(InkPath.GetNumCoords(),12)) NodeCopy->InkPath.CopyPathDataFrom(&InkPath); } /*********************************************************************************************** > void NodePath::PolyCopyNodeContents(NodeRenderable* pNodeCopy) Author: Phil_Martin (Xara Group Ltd) Created: 18/12/2003 Outputs: - Purpose: Polymorphically copies the contents of this node to another Errors: An assertion failure will occur if NodeCopy is NULL Scope: protected ***********************************************************************************************/ void NodePath::PolyCopyNodeContents(NodeRenderable* pNodeCopy) { ENSURE(pNodeCopy, "Trying to copy a node's contents into a NULL node"); ENSURE(IS_A(pNodeCopy, NodePath), "PolyCopyNodeContents given wrong dest node type"); if (IS_A(pNodeCopy, NodePath)) CopyNodeContents((NodePath*)pNodeCopy); } /*********************************************************************************************** > virtual void NodePath::Render(RenderRegion* pRRegion) Author: Jim_Lynn (Xara Group Ltd) Created: 31/5/93 Inputs: Pointer to a render region Purpose: Will render the path contained within the object to the given render region ***********************************************************************************************/ void NodePath::Render(RenderRegion* pRender) { // render the path. TRACEUSER( "Diccon", _T("Rendering nodepath\n")); pRender->DrawPath(&InkPath); } /******************************************************************************************** > void NodePath::RenderEorDrag( RenderRegion* pRender ) Author: Rik_Heywood (Xara Group Ltd) Created: 22/10/93 Inputs: pRender - A Pointer to the current RenderRegion Purpose: Renders a version of the path for EORed dragging of shapes. SeeAlso: NodePath::Render; NodeRenderableInk::RenderEorDrag ********************************************************************************************/ void NodePath::RenderEorDrag( RenderRegion* pRender ) { // Currently this function performs an identical task to the // Render() function // render the path pRender -> DrawPath( &InkPath ); } /******************************************************************************************** > void NodePath::RenderObjectBlobs(RenderRegion* pRender) Author: Rik_Heywood (Xara Group Ltd) Created: 23/8/94 Inputs: pRender - The region to render the blobs into Purpose: Draws the paths object blobs into the render region supplied ********************************************************************************************/ void NodePath::RenderObjectBlobs(RenderRegion* pRender) { // Find the parent spread Spread* pSpread = FindParentSpread(); ENSURE(pSpread != NULL, "NodePath does not have a parent spread"); // Render the blobs on the path if (pSpread!=NULL) InkPath.RenderPathBlobs(pRender); // New Diccon 13/6/2000 If we are a brush and we are selected then we want to // render the path on top NodeAttribute* pAttr = NULL; FindAppliedAttribute(CC_RUNTIME_CLASS(AttrBrushType), &pAttr); if (pAttr!= NULL) { if (((AttrBrushType*)pAttr)->GetBrushHandle() != BrushHandle_NoBrush) { // --- If the quality is set low enough, strokes are just rendered as centrelines // "low enough" is defined as the same point that Blends show their middle parts // BLOCK { View* pRenderView = NULL; pRenderView = pRender->GetRenderView(); if(pRenderView != NULL) { Quality viewQuality = pRenderView->RenderQuality; if (viewQuality.GetBlendQuality() == Quality::FullBlend) { pRender->SetLineColour(COLOUR_BEZIERLINE); pRender->SetFillColour(COLOUR_NONE); pRender->DrawPath(&InkPath); } } } } } } /******************************************************************************************** > void NodePath::RenderPenBlobs(RenderRegion* pRender) Author: Mike_Kenny (Xara Group Ltd) Created: 23/8/94 Inputs: pRender - The region to render the blobs into Purpose: Draws the paths pen blobs into the render region supplied ********************************************************************************************/ void NodePath::RenderPenBlobs(RenderRegion* pRender) { // Find the parent spread Spread* pSpread = FindParentSpread(); ENSURE(pSpread != NULL, "NodePath does not have a parent spread"); // Render the blobs on the path if (pSpread!=NULL) InkPath.RenderPathPenBlobs(pSpread); } /******************************************************************************************** > void NodePath::RenderTinyBlobs(RenderRegion* pRender) Author: Rik_Heywood (Xara Group Ltd) Created: 23/8/94 Inputs: pRender - The region to render the blobs into Purpose: Draws the paths Tiny blob into the render region supplied ********************************************************************************************/ void NodePath::RenderTinyBlobs(RenderRegion* pRender) { // Set the line colours etc as we need them pRender->SetLineColour(COLOUR_NONE); pRender->SetFillColour(COLOUR_UNSELECTEDBLOB); // Render the blobs on the path DocCoord* Coords = InkPath.GetCoordArray(); pRender->DrawBlob(Coords[0], BT_UNSELECTED); } /******************************************************************************************** > virtual ChangeCode NodePath::OnChildChange(ObjChangeParam* pParam) Author: Diccon_Yamanaka (Xara Group Ltd) Created: 09/01/95 Inputs: pParam = pointer to a object change parameter class Returns: CC_OK Purpose: It is now necessary to know when the nodepath has been updated because if it has a brush applied to it the brush needs to clear its cache ********************************************************************************************/ ChangeCode NodePath::OnChildChange(ObjChangeParam* pParam) { // look for an applied brush attribute NodeAttribute* pAttr = NULL; AttrBrushType* pAttrBrush = NULL; FindAppliedAttribute(CC_RUNTIME_CLASS(AttrBrushType), &pAttr); if (pAttr!= NULL) { pAttrBrush = (AttrBrushType*)pAttr; // make an undoable action UpdateBrushAction* pAction; UndoableOperation* pOp = pParam->GetOpPointer(); if (pOp != NULL) UpdateBrushAction::Init(pOp, pOp->GetUndoActionList(), this, &pAction); } return CC_OK; } /******************************************************************************************** > void NodePath::ClearSubSelection(Spread* pSpread) Author: Rik_Heywood (Xara Group Ltd) Created: 21/4/94 Inputs: pSpread - Pointer to the nodes parent spread Purpose: Clears the paths sub-selection and re-draws the blobs to show this ********************************************************************************************/ void NodePath::ClearSubSelection(Spread* pSpread) { #if !defined(EXCLUDE_FROM_RALPH) ENSURE( pSpread!=NULL, "Parent Spread was NULL in NodePath::ClearSubSelection" ); if ((pSpread!=NULL) && (InkPath.IsSubSelection())) { InkPath.RenderPathBlobs(pSpread); InkPath.ClearSubSelection(); InkPath.RenderPathBlobs(pSpread); } #endif } /******************************************************************************************** > virtual BOOL NodePath::OnClick( DocCoord PointerPos, ClickType Click, ClickModifiers ClickMods ) Author: Rik_Heywood (Xara Group Ltd) Created: 13/10/93 Inputs: PointerPos - The Location of the mouse pointer at the time of the click Click - The type of click received (single, double, drag etc) ClickMods - The modifiers to the click (eg shift, control etc ) Returns: BOOL - TRUE if the node claims the click as its own and FLASE if it is not interested in the click Purpose: Allows the Node to respond to clicks by selecting its blobs or starting drags etc. This functions should be overridden in the all the NodeRenderableInk classes so that this verion never gets called. Eg the NodePath class might claim the click if it happened over one of its unselected blobs. ********************************************************************************************/ BOOL NodePath::OnClick( DocCoord PointerPos, ClickType Click, ClickModifiers ClickMods, Spread *pSpread ) { #ifndef STANDALONE DocRect BlobRect; DocCoord* Coords = InkPath.GetCoordArray(); PathFlags* Flags = InkPath.GetFlagArray(); // PathVerb* Verbs = InkPath.GetVerbArray(); // Should always be able to get selected view DocView *pDocView = DocView::GetSelected(); ERROR3IF(pDocView == NULL, "NodePath::OnClick: Could not get selected DocView"); if (pDocView == NULL) return FALSE; // we only handle the click if we can confirm that object blobs are being displayed. BlobManager* pBlobMgr = GetApplication()->GetBlobManager(); if (pBlobMgr == NULL) return FALSE; if (!pBlobMgr->GetCurrentInterest().Object) return FALSE; INT32 NumCoords = InkPath.GetNumCoords(); INT32 i; if (InkPath.FindNearestPoint( PointerPos, POINTFLAG_ENDPOINTS | POINTFLAG_CONTROLPOINTS | POINTFLAG_ENDSFIRST, &i) ) { // we had a hit on a blob, so do something with it if ( Click == CLICKTYPE_SINGLE ) { // Clicks on control points have no effect // but clicks on endpoints do have an effect if (Flags[i].IsEndPoint) { if (ClickMods.Adjust && ClickMods.Constrain) { HandleBlobClick(Coords, Flags, i, NumCoords, TRUE, TRUE); } else { if ((!Flags[i].IsSelected) || ((Flags[i].IsSelected) && (ClickMods.Adjust))) { HandleBlobClick(Coords, Flags, i, NumCoords, ClickMods.Adjust, FALSE); } else { // In order to deselect all but the clicked on point and still have dragging of // multiple points we need to start the drag op on the click and handle a click // at the end of the drag if (Flags[i].IsSelected && !ClickMods.Menu) { OpNodePathEditBlob* pOpNodePath = new OpNodePathEditBlob; if (pOpNodePath == NULL) InformError(); else pOpNodePath->DoStartDragEdit(this, Coords[i], pSpread); } } } } else { // Detected single click on Control Point } } if ( Click == CLICKTYPE_DOUBLE) { // A point has been double-clicked. Only if it's selected and an endpoint can we // do anything about it. What we do is the toggle smooth operation if (Flags[i].IsSelected && Flags[i].IsEndPoint) { // Try and create the toggle operation OpToggleSmooth* pOpToggle = new OpToggleSmooth; if (!pOpToggle) { // Inform the user that we are out of memory InformError(); } else { // Call the function that actually does something pOpToggle->DoTogglePoint(this, i, pSpread, FALSE, !ClickMods.Constrain); // invert constrain } } } // Check for drags, but only when the click isn't due to a menu click. if ( Click == CLICKTYPE_DRAG && !ClickMods.Menu ) { //if (Flags[i].IsSelected) { if (Flags[i].IsEndPoint) { // Need to do a drag on the selected points, // so we had better start an operation OpNodePathEditBlob* pOpNodePath = new OpNodePathEditBlob; if (pOpNodePath == NULL) { // Inform the user that we are out of memory InformError(); } else { // Start the drag operation and pass in the Anchor Point to the operation // The anchor point MUST be the true coord of the path point for // snapping to work correctly (Markn 30/9/94) pOpNodePath->DoStartDragEdit(this, Coords[i], pSpread); } } else { // This must be a drag on a control point, so start an operation to // handle that situation OpNodePathEditControlBlob* pOpNodePath = new OpNodePathEditControlBlob; if (pOpNodePath==NULL) { // Failed to get the mem I needed InformError(); } else { // Start the drag operation and pass in the Anchor Point to the operation // The anchor point MUST be the true coord of the path point for // snapping to work correctly (Markn 30/9/94) pOpNodePath->DoStartDragEdit(this, Coords[i], pSpread, i); } } } } return TRUE; } #endif // we do not want to claim the click, so return FALSE return FALSE; } /******************************************************************************************** > virtual BOOL NodePath::OnBlobPopUp(Spread* pSpread, DocCoord PointerPos, ContextMenu* pMenu) Author: Phil_Martin (Xara Group Ltd) Created: 10/04/95 Inputs: pSpread The spread in which things are happening PointerPos The Location of the mouse pointer at the time of the click pMenu The menu to which items should be added Returns: BOOL - TRUE if the node claims the click as its own and FALSE if it is not interested in the click Purpose: Allows the Node to respond to pop up menu clicks on blobs. ********************************************************************************************/ BOOL NodePath::OnBlobPopUp(Spread* pSpread, DocCoord PointerPos, ContextMenu* pMenu) { #if !defined(EXCLUDE_FROM_RALPH) DocRect BlobRect; // DocCoord* Coords = InkPath.GetCoordArray(); // PathFlags* Flags = InkPath.GetFlagArray(); // PathVerb* Verbs = InkPath.GetVerbArray(); // Should always be able to get selected view DocView *pDocView = DocView::GetSelected(); ERROR3IF(pDocView == NULL, "NodePath::OnClick: Could not get selected DocView"); if (pDocView == NULL) return FALSE; // If there are no selected points we won't put up our menu because its // items are entirely to do with points (a useful thing in a Blobs menu!). if (!InkPath.IsSubSelection()) return FALSE; // INT32 NumCoords = InkPath.GetNumCoords(); INT32 i; if (InkPath.FindNearestPoint( PointerPos, POINTFLAG_ENDPOINTS | POINTFLAG_CONTROLPOINTS | POINTFLAG_ENDSFIRST, &i) ) { pMenu->BuildCommand(TOOL_OPTOKEN_BEZTOOL, TRUE); pMenu->BuildCommand(OPTOKEN_MAKELINESOP); pMenu->BuildCommand(OPTOKEN_MAKECURVESOP, TRUE); pMenu->BuildCommand(OPTOKEN_DELETEPOINTSOP); pMenu->BuildCommand(OPTOKEN_BREAKATPOINTS, TRUE); pMenu->BuildCommand(OPTOKEN_SELECTALLPATHPOINTS); pMenu->BuildCommand(OPTOKEN_DESELECTALLPATHPOINTS, TRUE); return TRUE; } #endif // we do not want to claim the click, so return FALSE return FALSE; } /******************************************************************************************** > virtual BOOL NodePath::OnNodePopUp(Spread* pSpread, DocCoord PointerPos, ContextMenu* pMenu) Author: Peter_Arnold (Xara Group Ltd) Created: 13/05/95 Inputs: pSpread The spread in which things are happening PointerPos The Location of the mouse pointer at the time of the click pMenu The menu to which items should be added Returns: BOOL - TRUE if the node claims the click as its own and FALSE if it is not interested in the click Purpose: Allows the Node to respond to pop up menu clicks on it (rather than its blobs). ********************************************************************************************/ BOOL NodePath::OnNodePopUp(Spread* pSpread, DocCoord PointerPos, ContextMenu* pMenu) { #if !defined(EXCLUDE_FROM_RALPH) BOOL ok = TRUE; ok = ok && pMenu->BuildCommand(TOOL_OPTOKEN_BEZTOOL, TRUE); return ok; #else return FALSE; #endif } /******************************************************************************************** > void NodePath::HandleBlobClick(DocCoord* Coords, PathFlags* Flags, INT32 Pos, INT32 NumCoords, BOOL Adjust, BOOL Constrain) Author: Rik_Heywood (Xara Group Ltd) Created: 11/11/93 Inputs: Coords - The array of coordinates Flags - The array of flags Pos - The item click on Adjust - TRUE if this is an Adjust click Constrain - TRIE if this is a Constrain click. Outputs: The values in the flags array are modified by this function Purpose: This will handle the selection and deselection of points on a path. For curve segments all the Bezier control points etc will be drawn in. This routine will also spot closed paths and select endpoints as well Scope: Private ********************************************************************************************/ void NodePath::HandleBlobClick(DocCoord* Coords, PathFlags* Flags, INT32 Pos, INT32 NumCoords, BOOL Adjust, BOOL Constrain) { #if !defined(EXCLUDE_FROM_RALPH) PathVerb* Verbs = InkPath.GetVerbArray(); // clear the selection state of all the other selected objects in the tree (but not this one) if (!Adjust && !Constrain) { SelRange* Selected = GetApplication()->FindSelection(); Node* pNode = Selected->FindFirst(); while (pNode!=NULL) { if ((pNode!=this) && (pNode->IsKindOf(CC_RUNTIME_CLASS(NodePath)))) { // This node needs to get rid of all its selected control points NodePath* pNodePath = (NodePath*) pNode; if (pNodePath->InkPath.IsSubSelection()) { Spread* pSpread = pNodePath->FindParentSpread(); ENSURE(pSpread!=NULL, "Node did not have a parent spread in NodePath::HandleBlobClick"); if (pSpread!=NULL) { pNodePath->InkPath.RenderPathSelectedControlBlobs(pSpread); pNodePath->InkPath.ClearSubSelection(); pNodePath->InkPath.RenderPathSelectedControlBlobs(pSpread); } } } // Get the next selected node pNode = Selected->FindNext(pNode); } } // Find out what the current selection state is, so that we can toggle it // Selection state will hold the value we want to set BOOL NewSelState; BOOL OldSelState = Flags[Pos].IsSelected; if (OldSelState) NewSelState = FALSE; else NewSelState = TRUE; Spread *pSpread = FindParentSpread(); ENSURE(pSpread != NULL, "NodePath does not have a parent spread"); // Remove the current blobs from this path before we try and change selection InkPath.RenderPathSelectedControlBlobs(pSpread); // If we're not adjusting, clear the subselection in this path if (!Adjust && !Constrain) InkPath.ClearSubSelection(); // if we are adjusting and constraining then (de)select all the endpoints on the path if (Adjust && Constrain) { BOOL NewSelState = !Flags[Pos].IsSelected; for (INT32 loop = 0; loop < InkPath.GetNumCoords(); loop++) { Flags[loop].IsSelected = NewSelState; } } else { // Now change the selection of this point Flags[Pos].IsSelected = NewSelState; // If the previous point is a control point then deal with it if ((Pos>0) && (!Flags[Pos-1].IsEndPoint)) { // Change the control point's selection state Flags[Pos-1].IsSelected = NewSelState; } // If the next point is a control point then deal with it if ((Pos+10) && (!Flags[j-1].IsEndPoint)) { // Change the control point's selection state Flags[j-1].IsSelected = NewSelState; } } } } InkPath.RenderPathSelectedControlBlobs(pSpread); #endif } /******************************************************************************************** > virtual void NodePath::Transform( TransformBase& Trans ) Author: Rik_Heywood (Xara Group Ltd) Created: 20/10/93 Inputs: Trans - The transform to be applied to the path Purpose: Will Transform all the coords in the path with the transform provided SeeAlso: NodeRenderableInk::Transform() ********************************************************************************************/ void NodePath::Transform( TransformBase& Trans ) { // Change all the coords Trans.Transform( (DocCoord*)InkPath.GetCoordArray(), InkPath.GetNumCoords() ); // and keep the bounding rectangle up to date. InvalidateBoundingRect(); // Transform all the children... TransformChildren(Trans); // Also update our CurrentRotation variable } /******************************************************************************************** > virtual String NodePath::Describe(BOOL Plural, BOOL Verbose = TRUE) Author: Simon_Maneggio (Xara Group Ltd) Created: 25/6/93 Inputs: Plural: Flag indicating if the string description should be plural or singular. Retuns: Description of the object Purpose: To return a description of the NodePath object in either the singular or the plural. This method is called by the DescribeRange method. The description will always begin with a lower case letter. Errors: A resource exception will be thrown if a problem occurs when loading the string resource. ********************************************************************************************/ String NodePath::Describe(BOOL Plural, BOOL Verbose) { // if the first subpath is closed, this is a shape rather than a line if (InkPath.IsSubPathClosed(0)) { if (Plural) return(String(_R(IDS_DESCRIBE_SHAPES))); else return(String(_R(IDS_DESCRIBE_SHAPE))); } else { if (Plural) return(String(_R(IDS_PATH_DESCRP))); else return(String(_R(IDS_PATH_DESCRS))); } }; /******************************************************************************************** > DocRect NodePath::GetBoundingRect(BOOL DontUseAttrs=FALSE, BOOL HitTest=FALSE) Author: Rik_Heywood (Xara Group Ltd) Created: 17/02/94 Inputs: DontUseAttrs - TRUE if you don't want to use the nodes attrs to calculate the bounding rect (defaults will be used). Defaults to FALSE. HitTest - TRUE if being called during HitTest Returns: The paths bounding rectangle. Purpose: returns the paths bounding rectangle and recalculates it if it is invalid SeeAlso: NodePath::GetBlobBoundingRect; NodeRenderableBounded::GetBoundingRect ********************************************************************************************/ DocRect NodePath::GetBoundingRect(BOOL DontUseAttrs, BOOL HitTest) { // go and recalculate the bounding rect if it is not known if (!IsBoundingRectValid || DontUseAttrs) { // a rect to put the new version of the bounding rect into DocRect NewBoundingRect; // Find out what the paths bounding rect is now if (!CalculatePathBoundingRect(InkPath, DontUseAttrs, &NewBoundingRect)) { // GDraw failed to find out how big the bounding rect // we will have to make do with the bounding rect of the coords NewBoundingRect = InkPath.GetBoundingRect(); } // If the line is vertical/horizontal with zero width then we will have a 0 width/height rect // Inflate this so rectangle calculations work. if (NewBoundingRect.Width() == 0) NewBoundingRect.hi.x++; if (NewBoundingRect.Height() == 0) NewBoundingRect.hi.y++; // we have a new bounding rect - decide what to do with it if (DontUseAttrs) { // but it is not the real bounding rect, so just return it return NewBoundingRect; } else { // We need to go though the attributes applied to this path, // and see if any of them effect the bounding rect // (eg. ArrowHeads) CCAttrMap AttribMap(30); if (FindAppliedAttributes(&AttribMap)) { void* pType; void* pVal; // iterating all (key, value) pairs CCAttrMap::iterator end = AttribMap.GetEndPosition(); for( CCAttrMap::iterator Pos = AttribMap.GetStartPosition(); Pos != end; ++Pos ) { // Get attr at position Pos pType = Pos->first; pVal = Pos->second; if (pVal != NULL) { if ( ((NodeAttribute*)pVal)->EffectsParentBounds() ) { // Get the bounds of the attribute and Union it with // the path bounds DocRect AttrBounds = ((NodeAttribute*)pVal)->GetAttrBoundingRect(this, &AttribMap); NewBoundingRect = NewBoundingRect.Union(AttrBounds); } } } } // Update the Nodes bounding rectangle BoundingRectangle = NewBoundingRect; // Mark the rect as valid IsBoundingRectValid = TRUE; } } // return the current bounding rect return BoundingRectangle; } /******************************************************************************************** > DocRect NodePath::GetBlobBoundingRect() Author: Rik_Heywood (Xara Group Ltd) Created: 17/02/94 Returns: DocRect - Returns the bounding rect of the path and its blobs Purpose: This calculates the bounding box of the path and adds in the influence of the selection blobs. It does not consider if the blobs are visible or not, it just gives the bounding box that they would occupy if they were visible ********************************************************************************************/ DocRect NodePath::GetBlobBoundingRect() { // Also, scan through all the points to find the bounds of the blobs PathVerb* Verbs = InkPath.GetVerbArray(); PathFlags* Flags = InkPath.GetFlagArray(); DocCoord* Coords = InkPath.GetCoordArray(); INT32 NumCoords = InkPath.GetNumCoords(); DocRect BlobRect; DocRect Rect; //Go get the blob manager and just return the bounding rect BlobManager* BlobMgr = GetApplication()->GetBlobManager(); if (BlobMgr==NULL) return GetBoundingRect(); // loop through all the coords adding them to the bounding rect for (INT32 i=0; iGetBlobRect(Rect.lo, &BlobRect); Rect = Rect.Union(BlobRect); BlobMgr->GetBlobRect(Rect.hi, &BlobRect); Rect = Rect.Union(BlobRect); // Now make sure we include any extra blobs dependent on the // blob type BlobStyle Blobs = BlobMgr->GetCurrentInterest(TRUE); if (Blobs.Pen) { // ok, if its the pen blobs, we need to do extra things over // and above the standard coord blobs. We need to add an extra // ghost point at the end of the path, if there is a curveto PathVerb LastVerb = Verbs[NumCoords-1]; PathFlags LastFlag = Flags[NumCoords-1]; if ((LastVerb == PT_BEZIERTO) && (LastFlag.IsRotate)) { DocCoord Pt0 = Coords[NumCoords-2]; DocCoord Pt1 = Coords[NumCoords-1]; DocCoord GhostPt; GhostPt.x = Pt1.x - (Pt0.x - Pt1.x); GhostPt.y = Pt1.y - (Pt0.y - Pt1.y); BlobMgr->GetBlobRect(GhostPt,&BlobRect); Rect = Rect.Union(BlobRect); } } // Make sure we include the Bounds of our children IncludeChildrensBoundingRects(&Rect); // return the rectangle with the blobs included return Rect; } //---------------------------------------------------------------------------------------------- //---------------------------------------------------------------------------------------------- //---------------------------------------------------------------------------------------------- //---------------------------------------------------------------------------------------------- /******************************************************************************************** > virtual BOOL NodePath::CanBecomeA(BecomeA* pBecomeA) Author: Mark_Neves (Xara Group Ltd) Created: 10/10/94 Inputs: pClass = runtime class to node you wish this node to become pNumObjects = ptr to place number of objects of type pClass that will be created (Note: can be NULL). *pNumObects in undefined on entry Outputs: - Returns: TRUE if it can, FALSE if it can't Purpose: Interrogation routine to see if a node can be changed into a different node type. Returns TRUE if pClass is a NodePath, FALSE otherwise The number you put into pNumObjects (if it's not NULL) should exactly equal the total number of pClass objects you create. It should NOT contain any additional objects you may produce such as group objects for containing the pClass object, or attributes. Also, the entry value of *pNumObjects cannot be assumed to be 0. Errors: - SeeAlso: NodePath::DoBecomeA() ********************************************************************************************/ BOOL NodePath::CanBecomeA(BecomeA* pBecomeA) { if (pBecomeA->BAPath()) { pBecomeA->AddCount(1); return TRUE; } return FALSE; } /******************************************************************************************** > virtual BOOL NodePath::DoBecomeA(BecomeA* pBecomeA) Author: Mark_Neves (Xara Group Ltd) Created: 10/10/94 Inputs: pBecomeA = ptr to info class containing everything a node needs to be able to become something else Outputs: - Returns: TRUE if successful, FALSE otherwise Purpose: Actually tries to change the node into a different node type. This responds to BECOMEA_PASSBACK reason by making a duplicate NodePath and passing it to the pfnPassBack func provided in the pBecomeA class Errors: - SeeAlso: NodePath::CanBecomeA() ********************************************************************************************/ BOOL NodePath::DoBecomeA(BecomeA* pBecomeA) { // Check for a NULL entry param ERROR2IF_PF(pBecomeA == NULL,FALSE,("pBecomeA is NULL")); // This lump checks that the Reason is one that we understand // It also makes sure that we don't have a NULL UndoOp ptr BOOL ValidReason = (pBecomeA->GetReason() == BECOMEA_REPLACE || pBecomeA->GetReason() == BECOMEA_PASSBACK); ERROR2IF_PF(!ValidReason,FALSE,("Unkown BecomeA reason %d",pBecomeA->GetReason())); BOOL Success = TRUE; // Our success flag (Important that this defaults to TRUE) NodePath* pNewNodePath = NULL; // Ptr to a new NodePath, if we get to make one. if (pBecomeA->BAPath()) { switch (pBecomeA->GetReason()) { case BECOMEA_REPLACE: // We do nothing as we are already a NodePath in the tree // except tell the caller where we are in the tree... pBecomeA->PassBack(this, this); break; case BECOMEA_PASSBACK : { // Make a copy of this NodePath CALL_WITH_FAIL(((pNewNodePath = (NodePath*)SimpleCopy()) != NULL), pBecomeA->GetUndoOp(), Success); // If successful, pass it back with my attribute map if (Success) Success = pBecomeA->PassBack(pNewNodePath,this); } break; default: break; } } if (!Success) { if (pNewNodePath != NULL) { // Delete all the NodePath's children (if it has any) and unlink it from the tree (if it's linked) // This is all done by CascadeDelete() pNewNodePath->CascadeDelete(); delete pNewNodePath; pNewNodePath = NULL; } } return Success; } /*********************************************************************************************** > virtual NodePath* NodePath::GetVariableWidthStrokePath() Author: Diccon_Yamanaka (Xara Group Ltd) Created: 15-5-2000 Inputs: - Outputs: - Returns: a nodepath containing the path that is generated by any variable width strokes that are applied to us, or NULL if there aren't any Purpose: If we have a variable width stroke applied to us then this will get the path generated by that stroke. This base class version returns NULL, overridden versions must supply their own outline path. In this version we simply use our inkpath See also: NodePath::GetVariableWidthStrokePath, NodeRegularShape::GetVariableWidthStrokePath ***********************************************************************************************/ NodePath* NodePath::GetVariableWidthStrokePath() { // first find out if we actually have a variable width applied to us, if not then we don't do anything AttrVariableWidth* pVarWidth = NULL; FindAppliedAttribute(CC_RUNTIME_CLASS(AttrVariableWidth), (NodeAttribute**)&pVarWidth); if (pVarWidth && ((VariableWidthAttrValue*)pVarWidth->GetAttributeValue())->GetWidthFunction() == NULL) return NULL; // next find the stroke attribute that actually does the work AttrStrokeType* pStroke = NULL; FindAppliedAttribute(CC_RUNTIME_CLASS(AttrStrokeType), (NodeAttribute**)&pStroke); NodePath* pRetNode = NULL; if (pStroke && pStroke->HasPathProcessor()) { PathProcessorStroke* pPPS = pStroke->GetPathProcessor(); pRetNode = pPPS->GetProcessedPath(&InkPath, this); } return pRetNode; } /*********************************************************************************************** > virtual NodePath* NodePath::GetSmoothVariableWidthStrokePath() Author: Priestley (Xara Group Ltd) ripped from Diccon Created: 18-11-2000 Inputs: - Outputs: - Returns: a nodepath containing the path that is generated by any variable width strokes that are applied to us, or NULL if there aren't any Purpose: If we have a variable width stroke applied to us then this will get the path generated by that stroke. This base class version returns NULL, overridden versions must supply their own outline path. THIS FUNCTION IS THE SAME AS THAT ABOVE, BUT JUST RETURNS THE SMOOTHED PATH See also: NodePath::GetVariableWidthStrokePath, NodeRegularShape::GetVariableWidthStrokePath ***********************************************************************************************/ NodePath* NodePath::GetSmoothVariableWidthStrokePath() { // first find out if we actually have a variable width applied to us, if not then we don't do anything AttrVariableWidth* pVarWidth = NULL; FindAppliedAttribute(CC_RUNTIME_CLASS(AttrVariableWidth), (NodeAttribute**)&pVarWidth); if (pVarWidth && ((VariableWidthAttrValue*)pVarWidth->GetAttributeValue())->GetWidthFunction() == NULL) return NULL; // next find the stroke attribute that actually does the work AttrStrokeType* pStroke = NULL; FindAppliedAttribute(CC_RUNTIME_CLASS(AttrStrokeType), (NodeAttribute**)&pStroke); NodePath* pRetNode = NULL; if (pStroke && pStroke->HasPathProcessor()) { PathProcessorStroke* pPPS = pStroke->GetPathProcessor(); pRetNode = pPPS->GetSmoothProcessedPath(&InkPath, this); } return pRetNode; } /*********************************************************************************************** > NodePath * NodePath::MakeNodePathFromAttributes(MILLIPOINT Flatness, CCAttrMap * pAttrMap, BOOL bIncludeClosedPaths = FALSE, BOOL IncludeWidth = TRUE) Author: David_McClarnon (Xara Group Ltd) Created: 6/12/99 Inputs: Flatness - The flatness to use in the stroking pAttrMap - The attribute map to use (if NULL then use the attribute map applied to this object) Outputs: Returns: A new node path, stroked + with all line attributes applied to it (i.e. line width, dash patterns, arrowheads etc) Purpose: See returns Errors: Scope: public **********************************************************************************************/ NodePath * NodePath::MakeNodePathFromAttributes(double Flatness, CCAttrMap * pAttrMap, BOOL bIncludeClosedPaths, BOOL IncludeWidth) { // Find the applied attributes AttrLineWidth * pAttrLineWidth = NULL; AttrStartArrow * pAttrStartArrow = NULL; AttrEndArrow * pAttrEndArrow = NULL; AttrJoinType * pAttrJoinType = NULL; AttrStartCap * pAttrStartCap = NULL; AttrDashPattern * pAttrDashPattern = NULL; AttrStrokeColour* pAttrStrokeColour = NULL; AttrStrokeType* pAttrStrokeType = NULL; AttrVariableWidth* pAttrVariableWidth = NULL; if (!pAttrMap) { // get all the attributes out of the node FindAppliedAttribute(CC_RUNTIME_CLASS(AttrLineWidth),(NodeAttribute **)(&pAttrLineWidth)); FindAppliedAttribute(CC_RUNTIME_CLASS(AttrStartArrow),(NodeAttribute **)(&pAttrStartArrow)); FindAppliedAttribute(CC_RUNTIME_CLASS(AttrEndArrow),(NodeAttribute **)(&pAttrEndArrow)); FindAppliedAttribute(CC_RUNTIME_CLASS(AttrJoinType),(NodeAttribute **)(&pAttrJoinType)); FindAppliedAttribute(CC_RUNTIME_CLASS(AttrStartCap),(NodeAttribute **)(&pAttrStartCap)); FindAppliedAttribute(CC_RUNTIME_CLASS(AttrDashPattern),(NodeAttribute **)(&pAttrDashPattern)); FindAppliedAttribute(CC_RUNTIME_CLASS(AttrStrokeColour),(NodeAttribute **)(&pAttrStrokeColour)); FindAppliedAttribute(CC_RUNTIME_CLASS(AttrStrokeType), (NodeAttribute **)(&pAttrStrokeType)); FindAppliedAttribute(CC_RUNTIME_CLASS(AttrVariableWidth), (NodeAttribute **)(&pAttrVariableWidth)); } else { // get all the attributes out of the attribute map pAttrMap->Lookup( CC_RUNTIME_CLASS(AttrLineWidth), (void *&)pAttrLineWidth ); pAttrMap->Lookup( CC_RUNTIME_CLASS(AttrStartArrow), (void *&)pAttrStartArrow ); pAttrMap->Lookup( CC_RUNTIME_CLASS(AttrEndArrow), (void *&)pAttrEndArrow); pAttrMap->Lookup( CC_RUNTIME_CLASS(AttrJoinType), (void *&)pAttrJoinType); pAttrMap->Lookup( CC_RUNTIME_CLASS(AttrStartCap), (void *&)pAttrStartCap); pAttrMap->Lookup( CC_RUNTIME_CLASS(AttrDashPattern), (void *&)pAttrDashPattern); pAttrMap->Lookup( CC_RUNTIME_CLASS(AttrStrokeColour), (void *&)pAttrStrokeColour); pAttrMap->Lookup( CC_RUNTIME_CLASS(AttrStrokeType), (void *&)pAttrStrokeType); pAttrMap->Lookup( CC_RUNTIME_CLASS(AttrVariableWidth), (void *&)pAttrVariableWidth); if (!pAttrLineWidth) FindAppliedAttribute(CC_RUNTIME_CLASS(AttrLineWidth),(NodeAttribute **)(&pAttrLineWidth)); if (!pAttrStartArrow) FindAppliedAttribute(CC_RUNTIME_CLASS(AttrStartArrow),(NodeAttribute **)(&pAttrStartArrow)); if (!pAttrEndArrow) FindAppliedAttribute(CC_RUNTIME_CLASS(AttrEndArrow), (NodeAttribute **)(&pAttrEndArrow)); if (!pAttrJoinType) FindAppliedAttribute(CC_RUNTIME_CLASS(AttrJoinType),(NodeAttribute **)(&pAttrJoinType)); if (!pAttrStartCap) FindAppliedAttribute(CC_RUNTIME_CLASS(AttrStartCap),(NodeAttribute **)(&pAttrStartCap)); if (!pAttrDashPattern) FindAppliedAttribute(CC_RUNTIME_CLASS(AttrDashPattern),(NodeAttribute **)(&pAttrDashPattern)); if (!pAttrStrokeColour) FindAppliedAttribute(CC_RUNTIME_CLASS(AttrStrokeColour),(NodeAttribute **)(&pAttrStrokeColour)); if (!pAttrStrokeType) FindAppliedAttribute(CC_RUNTIME_CLASS(AttrStrokeType), (NodeAttribute **)(&pAttrStrokeType)); if(!pAttrVariableWidth) FindAppliedAttribute(CC_RUNTIME_CLASS(AttrVariableWidth), (NodeAttribute **)(&pAttrVariableWidth)); } // ******************************************************************************************** // Matt 20/10/2000 // At this point if stroke shapes are used, we may have a path consisting of a number of points // joined by lines - we can represent this much more efficiently as a path of a fewer number of // points joined by curves: This is achieved by smoothing the path with RetroSmooth // ******************************************************************************************** // Mark Howitt 18/12/00 - I`ve now made it check to see if the Stroke colour is transparent, as // the outline of the last line width is returned which is not correct. // When the outline is made NONE it does not contribute to the objects outline. BOOL IsTransparentStroke = FALSE; if(pAttrStrokeColour) { DocColour* pCol = pAttrStrokeColour->Value.GetStartColour(); IsTransparentStroke = pCol->IsTransparent(); } // If this nodepath belongs to an object with a stroke type attribute, then we should smooth it... if (pAttrStrokeType && !IsTransparentStroke) { // Check to see if the Stroke is the default type by checking the Variable width Attribute // Width function pointer! if(pAttrVariableWidth && ((VariableWidthAttrValue*)pAttrVariableWidth->GetAttributeValue())->GetWidthFunction() != NULL) { // double Smooth = 15.0; #ifdef CONVERTSTROKES // vector stroking in here PathProcessorStroke* pPPS = pAttrStrokeType->GetPathProcessor(); if (pPPS) { BOOL OriginalIsClosed = InkPath.IsClosed(); Path UnStrokedPath; UnStrokedPath.Initialise(); if(OriginalIsClosed) UnStrokedPath.CloneFrom(InkPath); // path processor stroke always wants stroked unfilled path Path ClonePath; ClonePath.Initialise(); ClonePath.CloneFrom(InkPath); ClonePath.IsFilled = FALSE; ClonePath.IsStroked = TRUE; // Path processor makes a nodepath for us NodePath* pNewNodePath = pPPS->GetSmoothProcessedPath(&ClonePath, this); if (pNewNodePath == NULL) { ERROR3("Urk - Cannae get yer stroak path lassie"); } else { double SFlat = pNewNodePath->InkPath.CalculateFlatnessValueFromPath(500.0,2.0,375.0); double CFlat = UnStrokedPath.CalculateFlatnessValueFromPath(500.0,2.0,375.0); DWORD ClipRule = OriginalIsClosed ? 7 : 3; if(UnStrokedPath.ClipPathToPath(pNewNodePath->InkPath,&pNewNodePath->InkPath,ClipRule|CLIPPING_SOURCE_WINDING,20,SFlat,CFlat) < 0) { ERROR3("Urk - Cannae get yer stroak path lassie"); } } return pNewNodePath; } #else if (RetroSmoothMe(Smooth)) { // make a copy to return NodePath * pRetnNode = new NodePath; ERROR2IF(!pRetnNode,NULL,"Failed to create a new Path Node!"); pRetnNode->InkPath.Initialise(); pRetnNode->InkPath.CloneFrom(InkPath); return pRetnNode; } #endif } } // ******************************************************************************************** // End of RetroSmoothing... // ******************************************************************************************** // Make the return node and initialize it! NodePath * pRetnNode = new NodePath; ERROR2IF(!pRetnNode,NULL,"Failed to create a new Path Node!"); pRetnNode->InkPath.Initialise(); Path SrcPath; SrcPath.Initialise(); SrcPath.CloneFrom(InkPath); DashPatternAttribute* pDashPattern = NULL; StartArrowAttribute* pStartArrow = NULL; LineWidthAttribute* pLineWidth = NULL; EndArrowAttribute* pEndArrow = NULL; JoinTypeAttribute* pJoinType = NULL; StartCapAttribute* pStartCap = NULL; // set up the attribute values if (pAttrLineWidth) pLineWidth = &(pAttrLineWidth->Value); if (pAttrStartArrow) pStartArrow = &(pAttrStartArrow->Value); if (pAttrEndArrow) pEndArrow = &(pAttrEndArrow->Value); if (pAttrJoinType) pJoinType = &(pAttrJoinType->Value); if (pAttrStartCap) pStartCap = &(pAttrStartCap->Value); if (pAttrDashPattern) pDashPattern = &(pAttrDashPattern->Value); // go through each path checking for non-closed paths INT32 StartIndex = 0; INT32 EndIndex = 0; Path SubPath; SubPath.Initialise(); Path FlatPath; FlatPath.Initialise(); UINT32 SubPathNum = 0; MILLIPOINT Width = 750; MILLIPOINT EndsWidth = 750; if(pLineWidth != NULL) Width = EndsWidth = pLineWidth->LineWidth; if(pAttrStrokeColour && pAttrStrokeColour->GetStartColour()->IsTransparent()) { Width = 0; pDashPattern = NULL; } JoinStyles JoinS = JOIN_ROUND; if(pJoinType != NULL) JoinS = (pJoinType->JoinType == MitreJoin) ? JOIN_MITER : (pJoinType->JoinType == RoundJoin) ? JOIN_ROUND : JOIN_BEVEL; //////////////////////////////////////////////////////////////////////////////// // Dash pattern - convert to Gavin-ness... DashType* pDashRec = NULL; DashType GavinDash; GavinDash.Length = 0; GavinDash.Offset = 0; GavinDash.Array[0] = 0; // Do do dash patten if there is one and the line width is greater than 0! if (pDashPattern && pDashPattern->DashPattern.Elements > 0 && pDashPattern->DashPattern.LineWidth > 0) { INT32 Length = pDashPattern->DashPattern.Elements; if (Length > 8) Length = 8; BOOL DoScale = pDashPattern->DashPattern.ScaleWithLineWidth; FIXED16 Scale = DoScale ? (double(Width) / double(pDashPattern->DashPattern.LineWidth)) : 1; GavinDash.Length = Length; GavinDash.Offset = LongMulFixed16(pDashPattern->DashPattern.DashStart, Scale); for (INT32 el = 0; el < Length; el++) { GavinDash.Array[el] = LongMulFixed16(pDashPattern->DashPattern.ElementData[el], Scale); } } // Set the dash pointer to the gavin dash structure! pDashRec = &GavinDash; //////////////////////////////////////////////////////////////////////////////// // Make sure that we put the Width to a suitable value if we don`t require line widths in // the calculations if(!IncludeWidth && pAttrStrokeColour && !pAttrStrokeColour->GetStartColour()->IsTransparent()) Width = 50; Path BlankPath; BlankPath.Initialise(); Path StrokedPath; StrokedPath.Initialise(); while (StartIndex < InkPath.GetNumCoords()) { // get the end of the sub-path EndIndex = StartIndex; InkPath.FindEndElOfSubPath(&EndIndex); // only do this if the sub-path isn't closed // if (!InkPath.IsSubPathClosed(StartIndex) || bIncludeClosedPaths) if (!InkPath.IsClosed() || bIncludeClosedPaths) { // we have found the last element of the sub-path // therefore make a new path SubPath.ClearPath(); InkPath.MakePathFromSubPath(SubPathNum, &SubPath); FlatPath.ClearPath(); FlatPath.CloneFrom(SubPath); // first, stroke the path SrcPath.IsFilled = FALSE; SrcPath.IsStroked = FALSE; if (pStartCap && pJoinType) { SubPath.StrokePathToPath(Width, pStartCap->StartCap, pJoinType->JoinType, pDashRec, &StrokedPath, Flatness, FALSE); } else { SubPath.StrokePathToPath(Width, LineCapRound, RoundJoin, pDashRec, &StrokedPath, Flatness, FALSE); } // ensure the validity of the path Path ClipPath; ClipPath.Initialise(); ClipPath.CloneFrom(StrokedPath); StrokedPath.ClearPath(); if(ClipPath.ClipPathToPath(BlankPath, &StrokedPath, 6 | CLIPPING_CLIP_WINDING,30, Flatness, Flatness) < 2) StrokedPath.CloneFrom(ClipPath); // now, do the arrowheads INT32 Index = 0; DocCoord Centre; DocCoord Direction; Trans2DMatrix ArrowMatrix; Path ArrowPath; ArrowPath.Initialise(); Path DestPathStartArrow; DestPathStartArrow.Initialise(); Path DestPathEndArrow; DestPathEndArrow.Initialise(); ClipPath.ClearPath(); // do the start arrow if (pStartArrow) { if (pStartArrow->StartArrow.GetArrowPath()) { Centre = FlatPath.GetCoordArray()[0]; Direction = FlatPath.GetCoordArray()[1]; pStartArrow->StartArrow.GetArrowMatrix(Centre, Direction, EndsWidth, &ArrowMatrix); // build the arrow's path and add it to the existing path ArrowPath.ClearPath(); ArrowPath.CloneFrom(*pStartArrow->StartArrow.GetArrowPath()); ArrowMatrix.Transform(ArrowPath.GetCoordArray(), ArrowPath.GetNumCoords()); DestPathStartArrow.ClearPath(); ClipPath.CloneFrom(StrokedPath); if(ClipPath.ClipPathToPath(ArrowPath,&StrokedPath, 7 | CLIPPING_SOURCE_WINDING,30, Flatness, Flatness) < 2) { TRACEUSER( "MarkH", _T("ClipFailed so copying path! NODEPATH\n")); } pRetnNode->InkPath.MergeTwoPaths(DestPathStartArrow); } } // do the end arrow if (pEndArrow) { if (pEndArrow->EndArrow.GetArrowPath()) { Index = 0; Centre = FlatPath.GetCoordArray()[FlatPath.GetNumCoords() - 1]; Direction.x = FlatPath.GetCoordArray()[FlatPath.GetNumCoords() - 1].x - FlatPath.GetCoordArray()[FlatPath.GetNumCoords() - 2].x; Direction.y = FlatPath.GetCoordArray()[FlatPath.GetNumCoords() - 1].y - FlatPath.GetCoordArray()[FlatPath.GetNumCoords() - 2].y; Direction.x = Centre.x - Direction.x; Direction.y = Centre.y - Direction.y; pEndArrow->EndArrow.GetArrowMatrix(Centre, Direction, EndsWidth, &ArrowMatrix); // build the arrow's path and add it to the existing path ArrowPath.ClearPath(); ArrowPath.CloneFrom(*pEndArrow->EndArrow.GetArrowPath()); ArrowMatrix.Transform(ArrowPath.GetCoordArray(), ArrowPath.GetNumCoords()); DestPathEndArrow.ClearPath(); ClipPath.CloneFrom(StrokedPath); if(ClipPath.ClipPathToPath(ArrowPath,&StrokedPath, 7 | CLIPPING_SOURCE_WINDING,30, Flatness, Flatness) < 2) { ArrowPath.CloneFrom(ClipPath); TRACEUSER( "MarkH", _T("ClipFailed so copying path! NODEPATH\n")); } pRetnNode->InkPath.MergeTwoPaths(DestPathEndArrow); } } if (pRetnNode->InkPath.GetBoundingRect().Union(StrokedPath.GetBoundingRect()).IsEmpty()) { pRetnNode->InkPath.MergeTwoPaths(StrokedPath); } else { ClipPath.CloneFrom(pRetnNode->InkPath); pRetnNode->InkPath.ClearPath(); if(StrokedPath.ClipPathToPath(ClipPath, &(pRetnNode->InkPath), 7 | CLIPPING_SOURCE_WINDING,30, Flatness, Flatness) < 2) { pRetnNode->InkPath.CloneFrom(ClipPath); TRACEUSER( "MarkH", _T("ClipFailed so copying path! NODEPATH\n")); } } } else { SubPath.ClearPath(); // make sure that if we do require line widths to be taken into account then we need to stroke using the line width! if(IncludeWidth) { // First do the clipping to make sure the windings come out correct! SubPath.CloneFrom(InkPath); if(BlankPath.ClipPathToPath(SubPath, &StrokedPath, 3, 10, Flatness, Flatness) < 2) { StrokedPath.CloneFrom(SubPath); TRACEUSER( "MarkH", _T("ClipFailed so copying path! NODEPATH\n")); } // Now get the contour step for the full width! StrokedPath.InitializeContourValues(Width,JoinS,true,Flatness); if(StrokedPath.GetContourForStep(&pRetnNode->InkPath,1.0) < 2) { pRetnNode->InkPath.CloneFrom(StrokedPath); TRACEUSER( "MarkH", _T("ClipFailed so copying path! NODEPATH\n")); } } else { // Just clone the original! InkPath.MakePathFromSubPath(SubPathNum, &SubPath); pRetnNode->InkPath.MergeTwoPaths(SubPath); } } StartIndex = EndIndex+1; SubPathNum++; } if (pRetnNode) { pRetnNode->InkPath.IsFilled = TRUE; pRetnNode->InkPath.IsStroked = FALSE; } return pRetnNode; } /*********************************************************************************************** > BOOL NodePath::RetroSmoothMe(double Smoothness) Author: Diccon_Yamanaka (Xara Group Ltd) Created: 20/9/94 Inputs: Smoothness - the amount to smooth by Outputs: Returns: TRUE if everything went ok, FALSE if not. Purpose: Use and abuse the retrosmoother to smooth our ink path. The Retrosmoother is normally activated from the gadget in the shape editor tool however we are hijacking it here for our purposes. Errors: Scope: public **********************************************************************************************/ BOOL NodePath::RetroSmoothMe(double Smoothness) { if (Smoothness <= 0) { ERROR3("Zero smoothing value in NodePath::RetroSmoothMe"); return TRUE; } Spread *pSpread = Document::GetSelectedSpread(); ERROR2IF(pSpread == NULL, FALSE, "No spread in NodePath::RetroSmoothMe"); //Make a retro smoother and tell it not to bother with EOR rendering on top RetroSmooth rSmoother; rSmoother.Initialise(); rSmoother.SetRenderFlag(false); // all path points must be selected InkPath.SetAllSubSelection(); // set the smoother to work rSmoother.Changing(this, pSpread, Smoothness); BOOL ok = rSmoother.FinishedNoUndo(this); InkPath.ClearSubSelection(); return ok; } //---------------------------------------------------------------------------------------------- //---------------------------------------------------------------------------------------------- //---------------------------------------------------------------------------------------------- //---------------------------------------------------------------------------------------------- /*********************************************************************************************** > BOOL NodePath::Snap(DocCoord* pDocCoord) Author: Mark_Neves (Xara Group Ltd) Created: 20/9/94 Inputs: pDocCoord = a coord in Spread coords Outputs: Returns: TRUE - the DocCoord has been snapped to the path. FALSE - the DocCoord has not been processed. Purpose: Snaps to given coord to the nearest point on the path. If it is not appropriate to snap the coord to the path (at the moment this means the coord is too far awawy), then FALSE is returned. Errors: Scope: public **********************************************************************************************/ BOOL NodePath::Snap(DocCoord* pDocCoord) { #if !defined(EXCLUDE_FROM_RALPH) return CSnap::SnapCoordToPath(pDocCoord, &InkPath); #else return FALSE; #endif } /*********************************************************************************************** > BOOL NodePath::Snap(DocRect* pDocRect,const DocCoord& PrevCoord,const DocCoord& CurCoord) Author: Mark_Neves (Xara Group Ltd) Created: 21/9/94 Inputs: pDocCoord - the rectangle to snap StartDrag - Start coord of drag EndDrag - End coord of drag Outputs: Returns: TRUE - the DocRect been snapped to the grid. FALSE - the DocRect has not been processed. Purpose: Snaps the given rect to the nearest position on the grid, preserving its width and height. The coords of the rect used for the snapping are determined by the PrevCoord and CurCoord coords supplied. This is done to allow the user to control how a selection rectangle is snapped to the grid by the direction of his/her last mouse movement. To force the bottom left hand corner of the rect to be snapped, supply PrevCoord=(0,0) and CurCoord(-1,-1). Scope: public **********************************************************************************************/ BOOL NodePath::Snap(DocRect* pDocRect,const DocCoord& PrevCoord,const DocCoord& CurCoord) { #if !defined(EXCLUDE_FROM_RALPH) TRACEUSER( "MarkN", _T("NodePath::Snap(DocRect)\n") ); #endif return FALSE; } /******************************************************************************************** > BOOL NodePath::SnapToCoords(DocCoord* pDocCoord) Author: Rik_Heywood (Xara Group Ltd) Created: 21/11/94 Inputs: pDocCoord - the point to magnetically snap Outputs: pDocCoord - if the point was able to magnetically snap to a coord then it is changed to that coord Returns: TRUE if it snapped to a coord, FALSE if not Purpose: Snaps the point to all the magnetic points in a NodePath. These include all the endpoint in the path (ie MoveTos, LineTos and the last point in CurveTos). If it is close enough to any of these points in the path then the coord ischanged to match the point on the path and TRUE is returned. pDocCoord is not effected if it is not close enough to any of the points in the path SeeAlso: MagneticPointRadius; NodeRenderableBounded::SnapToCoords ********************************************************************************************/ BOOL NodePath::SnapToCoords(DocCoord* pDocCoord) { #if !defined(EXCLUDE_FROM_RALPH) DocCoord* Coords = InkPath.GetCoordArray(); PathFlags* Flags = InkPath.GetFlagArray(); INT32 NumCoords = InkPath.GetNumCoords(); // loop through all the coords in the path for (INT32 i=0; i double NodePath::GetRotationAngle() Author: Peter_Arnold (Xara Group Ltd) Created: 24/1/95 Inputs: - Outputs: - Returns: The current angle of rotation of the path Purpose: The overridden function for determining the current angle of rotation of this path SeeAlso: NodeRenderableBounded::GetRotationAngle ********************************************************************************************/ double NodePath::GetRotationAngle() { return CurrentRotation; } /******************************************************************************************** > virtual void NodePath::DeSelect(BOOL ReDraw, BOOL bDeselectChildren) Author: Peter_Arnold (Xara Group Ltd) Created: 24/1/95 Inputs: ReDraw Outputs: - Returns: - Purpose: When you select a NodePath we can to clear all the selection flags in the path before deselecting the node. SeeAlso: NodeRenderable::DeSelect ********************************************************************************************/ void NodePath::DeSelect(BOOL ReDraw, BOOL bDeselectChildren) { if (ReDraw && GetApplication()->GetBlobManager()->GetCurrentInterest().Object) InkPath.RenderPathSelectedControlBlobs(FindParentSpread()); InkPath.ClearSubSelection(); // Now call the parent class NodeRenderableInk::DeSelect(ReDraw, bDeselectChildren); } /******************************************************************************************** > virtual BOOL NodePath::IsPathAllowable() Author: Peter_Arnold (Xara Group Ltd) Created: 30/4/95 Inputs: - Outputs: - Returns: TRUE if the path is valid FALSE if is not valid Purpose: This function following some operations on the path. It allows the path (and objects derived from NodePath) to say wether the operation has left them in an invalid state. For example, following a delete a closed path of one segment is not allowed. Further example, Mould paths can override this function to ensure there is at least four points on the path after a delete SeeAlso: - ********************************************************************************************/ BOOL NodePath::IsPathAllowable() { INT32 NumCoords = InkPath.GetNumCoords(); PathVerb* Verbs = NULL; PathFlags* Flags = NULL; DocCoord* Coords = NULL; InkPath.GetPathArrays(&Verbs, &Coords, &Flags); // It's a moveto/lineto combination if ( (NumCoords == 2) && (Verbs[1] & PT_CLOSEFIGURE) && ((Verbs[1] & ~PT_CLOSEFIGURE) == PT_LINETO) ) { ERROR3IF(Verbs[0] != PT_MOVETO,"Path didn't start with a moveto!"); return FALSE; } // It's a moveto/curveto combination if ( (NumCoords == 4) && (Verbs[3] & PT_CLOSEFIGURE) && ((Verbs[3] & ~PT_CLOSEFIGURE) == PT_BEZIERTO) ) { ERROR3IF(Verbs[0] != PT_MOVETO,"Path didn't start with a moveto!"); ERROR3IF(Verbs[1] != PT_BEZIERTO,"Path didn't continue with a Bezierto!"); return FALSE; } return TRUE; } /******************************************************************************************** > BOOL NodePath::NeedsToExport(RenderRegion* pRender, BOOL VisibleLayersOnly = FALSE, BOOL CheckSelected = FALSE) Author: Mike_Kenny (Xara Group Ltd) Created: 23/03/95 Inputs: pRender - A pointer to the current export region VisibleLayersOnly - TRUE => remove nodes which are on invisible layers - FALSE => export everything CheckSelected - TRUE => we check if object selected and only export selected bjects - FALSE => we don't bother checking for selection or not Returns: TRUE => please export me. Purpose: Virtual function - this version currently returns false if the path is an immediate child of a text story otherwise its always exportable ********************************************************************************************/ BOOL NodePath::NeedsToExport(RenderRegion* pRender, BOOL VisibleLayersOnly, BOOL CheckSelected) { #ifdef DO_EXPORT if (pRender->IsKindOf(CC_RUNTIME_CLASS(EPSRenderRegion))) { Node* pParent=FindParent(); if (pParent!=NULL && IS_A(pParent,TextStory)) return FALSE; } // If we have the check selection flag on then see if this node is:- // - selected or not = render it // - a child of the selection e.g. part of selected group where we are an item in the // group and hence are not directly selected but still need to be exported // - a parent of the selected item e.g. selected inside item of group and we are at the // group and hence need to include the group in the range // Otherwise just return True as this is a path node and always needs to be exported // unless of course some node overrides this. if (CheckSelected) return (IsSelected() || IsChildOfSelected() || IsParentOfSelected()); else return TRUE; #else return FALSE; #endif } /******************************************************************************************** > virtual BOOL NodePath::AllowOp(ObjChangeParam* pParam, BOOL SetOpPermissionState = TRUE, BOOL DoPreTriggerEdit = TRUE) Author: Ed_Cornes (Xara Group Ltd) ; Karim 19/01/2000 Created: 8/5/95 Inputs: pParam - pointer to the change parameter object SetOpPermissionState - TRUE to set the Nodes permission flags DoPreTriggerEdit - if TRUE then calls NameGallery::PreTriggerEdit. *Must* be TRUE if the calling Op may make any nodes change their bounds, eg move, line width, cut. Use TRUE if unsure. Returns: TRUE if the operation can proceede, FALSE to stop it Purpose: To get node paths inside text objects to reformat themselves correctly when their paths change. Also see: TextStory::AllowOp() ********************************************************************************************/ BOOL NodePath::AllowOp(ObjChangeParam* pParam, BOOL SetOpPermissionState, BOOL DoPreTriggerEdit) { // call its default AllowOp(); we never want to do a PreTriggerEdit for this. BOOL allowed = NodeRenderableInk::AllowOp(pParam, SetOpPermissionState, FALSE); /* * Karim 15/11/2000 * Commented this out, as I see no point in pretending to be an Op. *Any* parent of ours * will have its AllowOp() called anyway, via our base class. * // if allowed, and our parent is a textstory, call the TextStory's AllowOp() as though called directly by the op Node* pParent=FindParent(); if (allowed && pParent!=NULL && IS_A(pParent,TextStory)) allowed=pParent->AllowOp(pParam,SetOpPermissionState,DoPreTriggerEdit); */ // if we're ok so far and were asked to do a PreTriggerEdit, then // determine whether the Op may change the bounds of some nodes. // If it may, then call NameGallery::PreTriggerEdit. if (allowed && DoPreTriggerEdit) { // if the Op is non-NULL then query its MayChangeNodeBounds() method. UndoableOperation* pChangeOp = pParam->GetOpPointer(); if (pChangeOp != NULL && pChangeOp->MayChangeNodeBounds() && NameGallery::Instance()) { allowed = NameGallery::Instance()->PreTriggerEdit(pChangeOp, pParam, this); } } if (SetOpPermissionState) SetOpPermission(PERMISSION_ALLOWED); return allowed; } /******************************************************************************************** > virtual UINT32 NodePath::ChooseTagValue() Author: Mark_Neves (Xara Group Ltd) Created: 22/8/96 Inputs: - Returns: The tag value that should be used for saving this path Purpose: Writes the path record to the filter SeeAlso: This function chooses the tag to use based on the filled & stroked flags of the path ********************************************************************************************/ UINT32 NodePath::ChooseTagValue() { #ifdef DO_EXPORT UINT32 Tag = TAG_UNDEFINED; if (BaseCamelotFilter::WritePathsInRelativeFormat()) { Tag = TAG_PATH_RELATIVE; if (InkPath.IsFilled && !InkPath.IsStroked) Tag = TAG_PATH_RELATIVE_FILLED; else if (!InkPath.IsFilled && InkPath.IsStroked) Tag = TAG_PATH_RELATIVE_STROKED; else if (InkPath.IsFilled && InkPath.IsStroked) Tag = TAG_PATH_RELATIVE_FILLED_STROKED; } else { Tag = TAG_PATH; if (InkPath.IsFilled && !InkPath.IsStroked) Tag = TAG_PATH_FILLED; else if (!InkPath.IsFilled && InkPath.IsStroked) Tag = TAG_PATH_STROKED; else if (InkPath.IsFilled && InkPath.IsStroked) Tag = TAG_PATH_FILLED_STROKED; } return Tag; #else return TAG_UNDEFINED; #endif } /******************************************************************************************** > virtual INT32 NodePath::EstimateNodeComplexity (OpParam* details) Author: Chris_Snook (Xara Group Ltd) Created: 6/09/2000 Inputs: details any data that should be used for the calculation Outputs: - Returns: an estimate of the nodes complexity Purpose: This function estimates a complexity value for the node. The complexity value is based upon the total length of all paths in the node. See Also: OpBlendNodes::DeterminBlendObjectsProcessorHit () ********************************************************************************************/ INT32 NodePath::EstimateNodeComplexity (OpParam* details) { return (InkPath.GetUsedSlots ()); } /******************************************************************************************** > virtual INT32 NodePath::CalcPathRecordSize() Author: Mark_Neves (Xara Group Ltd) Created: 6/9/96 Inputs: - Returns: The size of the record in bytes Purpose: This func is the centre point at which the size of the record that will contain the path is calculated SeeAlso: BaseCamelotFilter::WritePathsInRelativeFormat() ********************************************************************************************/ INT32 NodePath::CalcPathRecordSize() { INT32 NumCoords = InkPath.GetNumCoords(); if (BaseCamelotFilter::WritePathsInRelativeFormat()) return (sizeof(PathVerb)*NumCoords)+(sizeof(DocCoord)*NumCoords); else return sizeof(INT32)+(sizeof(PathVerb)*NumCoords)+(sizeof(DocCoord)*NumCoords); } /******************************************************************************************** > virtual BOOL NodePath::WritePathToRecord(CamelotFileRecord* pRecord) Author: Mark_Neves (Xara Group Ltd) Created: 6/9/96 Inputs: pRecord = ptr to a record to write to Returns: TRUE if ok, FALSE otherwise Purpose: Central func writes out the correct path record. SeeAlso: BaseCamelotFilter::WritePathsInRelativeFormat() ********************************************************************************************/ BOOL NodePath::WritePathToRecord(CamelotFileRecord* pRecord) { ERROR2IF(pRecord == NULL,FALSE,"NULL record ptr"); if (BaseCamelotFilter::WritePathsInRelativeFormat()) return pRecord->WritePathRelative(&InkPath); else return pRecord->WritePath(&InkPath); } /******************************************************************************************** > virtual BOOL NodePath::WritePathRecord(BaseCamelotFilter* pFilter) Author: Mark_Neves (Xara Group Ltd) Created: 22/5/96 Inputs: pFilter = ptr to the filter Returns: TRUE if record is written, FALSE if not Purpose: Writes the path record to the filter SeeAlso: - ********************************************************************************************/ BOOL NodePath::WritePathRecord(BaseCamelotFilter* pFilter) { #ifdef DO_EXPORT ERROR2IF(pFilter == NULL,FALSE,"NULL filter param"); INT32 RecordSize = CalcPathRecordSize(); BOOL ok = TRUE; // Which type of path is it to be? UINT32 Tag = ChooseTagValue(); CamelotFileRecord Rec(pFilter,Tag,RecordSize); ok = Rec.Init(); if (ok) ok = WritePathToRecord(&Rec); UINT32 RecordNumber; if (ok) RecordNumber = pFilter->WriteDefinitionRecord(&Rec); if (ok) ok = (RecordNumber != 0); if (ok) pFilter->AddPathRecordRefToList(this,RecordNumber); if (!ok) pFilter->GotError(_R(IDE_FILE_WRITE_ERROR)); return ok; #else return FALSE; #endif } /******************************************************************************************** > virtual BOOL NodePath::WritePathRefRecord(BaseCamelotFilter* pFilter,UINT32 SrcPathRecNum,Matrix* pTransform); Author: Mark_Neves (Xara Group Ltd) Created: 3/9/96 Inputs: pFilter = ptr to the filter SrcPathRecNum = the record that contains the path that's similar to this path pTransform = How to transform the path in SrcPathRecNum to get this path bac Returns: TRUE if record is written, FALSE if not Purpose: Writes the path reference record to the filter SeeAlso: - ********************************************************************************************/ BOOL NodePath::WritePathRefRecord(BaseCamelotFilter* pFilter,UINT32 SrcPathRecNum,Matrix* pTransform) { ERROR2IF(pTransform == NULL,FALSE,"NULL transform matrix ptr"); BOOL ok = TRUE; UINT32 Tag = TAG_PATHREF_TRANSFORM; INT32 Size = TAG_PATHREF_TRANSFORM_SIZE; CamelotFileRecord Rec(pFilter,Tag,Size); if (ok) ok = Rec.Init(); if (ok) ok = Rec.WriteReference(SrcPathRecNum); if (ok) ok = Rec.WriteMatrixTrans(*pTransform,0,0); if (ok) ok = (pFilter->Write(&Rec) != 0); return ok; } /******************************************************************************************** > virtual BOOL NodePath::WritePreChildrenWeb(BaseCamelotFilter* pFilter) Author: Mark_Neves (Xara Group Ltd) Created: 22/5/96 Inputs: pFilter = ptr to the filter Returns: TRUE if record is written, FALSE if not Purpose: Writes the path record to the filter SeeAlso: - ********************************************************************************************/ BOOL NodePath::WritePreChildrenWeb(BaseCamelotFilter* pFilter) { #ifdef DO_EXPORT BOOL ok = TRUE; UINT32 SrcPathRecNum; Matrix Transform; INT32 RecordSize = CalcPathRecordSize(); // Only call FindSimilarPath() if the path is bigger than the path reference record. // there's no point in creating a reference if the ref is bigger than the actual path if (RecordSize > TAG_PATHREF_TRANSFORM_SIZE && pFilter->FindSimilarPath(this,&SrcPathRecNum,&Transform)) ok = WritePathRefRecord(pFilter,SrcPathRecNum,&Transform); else ok = WritePathRecord(pFilter); return ok; #else return FALSE; #endif } /******************************************************************************************** > virtual BOOL NodePath::WritePreChildrenNative(BaseCamelotFilter* pFilter) Author: Mark_Neves (Xara Group Ltd) Created: 22/5/96 Inputs: pFilter = ptr to the filter Returns: TRUE if record is written, FALSE if not Purpose: Writes the path record to the filter SeeAlso: - ********************************************************************************************/ BOOL NodePath::WritePreChildrenNative(BaseCamelotFilter* pFilter) { #ifdef DO_EXPORT // If it's the compact native filter (i.e. the non-minimal web format) OR the path // similarity check has been selected to apply to the native format, // do as you would for the web format. if (pFilter->IsCompactNativeFilter() || pFilter->GetNativeCheckSimilarPaths()) return WritePreChildrenWeb(pFilter); else return WritePathRecord(pFilter); #else return FALSE; #endif } /******************************************************************************************** > BOOL NodePath::WriteBeginChildRecordsNative(BaseCamelotFilter* pFilter) Author: Mark_Neves (Xara Group Ltd) Created: 8/8/96 Inputs: pFilter Returns: TRUE if ok, FALSE otherwise Purpose: Begin to write out you child records, in the native format This will write out a TAG_DOWN record, followed by a path flags record SeeAlso: - ********************************************************************************************/ BOOL NodePath::WriteBeginChildRecordsNative(BaseCamelotFilter* pFilter) { #ifdef DO_EXPORT ERROR2IF(pFilter == NULL,FALSE,"NULL filter param"); BOOL ok = pFilter->WriteZeroSizedRecord(TAG_DOWN); if (ok) { INT32 NumCoords = InkPath.GetNumCoords(); INT32 RecordSize = sizeof(BYTE)*NumCoords; CamelotFileRecord Rec(pFilter,TAG_PATH_FLAGS,RecordSize); ok = Rec.Init(); PathFlags* pFlags = InkPath.GetFlagArray(); if (ok && pFlags != NULL) { BYTE Flags; for (INT32 i=0; ok && i < NumCoords;i++) { Flags = 0; if (pFlags[i].IsSmooth) Flags |= TAG_PATH_FLAGS_SMOOTH; if (pFlags[i].IsRotate) Flags |= TAG_PATH_FLAGS_ROTATE; if (pFlags[i].IsEndPoint) Flags |= TAG_PATH_FLAGS_ENDPOINT; ok = Rec.WriteBYTE(Flags); } ok = pFilter->Write(&Rec); } if (ok) { if (pFilter->GetBoundsWriteLevel() >= BWL_ALL) ok = WriteBoundsRecord(pFilter); } } return ok; #else return FALSE; #endif } /******************************************************************************************** > BOOL NodePath::WriteEndChildRecordsNative(BaseCamelotFilter* pFilter) Author: Mark_Neves (Xara Group Ltd) Created: 8/8/96 Inputs: pFilter Returns: TRUE if ok, FALSE otherwise Purpose: End writing out you child records, in the native format This will write out a TAG_UP record SeeAlso: - ********************************************************************************************/ BOOL NodePath::WriteEndChildRecordsNative(BaseCamelotFilter* pFilter) { #ifdef DO_EXPORT ERROR2IF(pFilter == NULL,FALSE,"NULL filter param"); return pFilter->WriteZeroSizedRecord(TAG_UP); #else return FALSE; #endif } /******************************************************************************************** > virtual BOOL NodePath::IsDifferent(Node *pOther) Author: Jason_Williams (Xara Group Ltd) Created: 28/2/97 Inputs: pOther - The node to compare this one to Returns: TRUE if this is considered different from pOther, FALSE if they are the same Purpose: Determine if 2 nodes are considered different. Notes: **** IMPORTANT - May not function well enough for your needs! **** This was written to allow the StrokeComponent class to merge stroke definitions which share identical clipart subtrees. Stroke subtrees are special in that they have had Make Shapes applied to them, and so only contain paths. Hence, I have only defined functions in Node, NodeRenderableBounded, and NodePath - most objects in the tree thus use base class functionality (are they of the same class, and do they have identical bounding boxes). This suffices for my needs, but you may need to implement this function for a lot more node types before it's of use to you. NodePath checks that the 2 InkPaths contain the same set of Coords and Verbs - currently IGNOREs everything else ********************************************************************************************/ BOOL NodePath::IsDifferent(Node *pOther) { // First, check with the base class - this checks the classes are the same type if (NodeRenderableInk::IsDifferent(pOther)) return(TRUE); ERROR3IF(GetRuntimeClass() != pOther->GetRuntimeClass(), "Node::IsDifferent base class method seems to have been broken"); // Now, check the path info if (InkPath.GetNumCoords() != ((NodePath *)pOther)->InkPath.GetNumCoords()) return(TRUE); // Check if all the coords and verbs are the same DocCoord *pCoord1 = InkPath.GetCoordArray(); DocCoord *pCoord2 = ((NodePath *)pOther)->InkPath.GetCoordArray(); PathVerb *pVerb1 = InkPath.GetVerbArray(); PathVerb *pVerb2 = ((NodePath *)pOther)->InkPath.GetVerbArray(); for (INT32 i = 0; i < InkPath.GetNumCoords(); i++) { if (pVerb1[i] != pVerb2[i] || pCoord1[i] != pCoord2[i]) return(TRUE); } return(FALSE); } /******************************************************************************************** > virtual BOOL NodePath::IsANodeBlendPath() Author: Diccon_Yamanaka (Xara Group Ltd) Created: 14/11/99 Inputs: - Returns: FALSE; Purpose: virtual identifier function,will move to node.h/.cpp when i have time to wait for the rebuild ********************************************************************************************/ BOOL NodePath::IsANodeBlendPath() { return FALSE; } /******************************************************************************************** > virtual DocRect NodePath::ValidateExtend(const ExtendParams& ExtParams) const Author: Karim_MacDonald (Xara Group Ltd) Created: 25/11/1999 Inputs: ExtParams parameters describing the extension. Outputs: Returns: TRUE if this path can validly extend, FALSE otherwise. Purpose: Tests to see whether this path's control points are positioned so as to make an extend operation irreversible. Errors: See also: ********************************************************************************************/ DocRect NodePath::ValidateExtend(const ExtendParams& ExtParams) { INT32 numPoints = InkPath.GetNumCoords(); DocCoord* doccArray = InkPath.GetCoordArray(); DocRect drMinExtend = Extender::ValidateControlPoints(numPoints, doccArray, ExtParams); // if we didn't invalidate the extension, we must call the base class // implementation, which will validate our children. if (drMinExtend.lo.x == INT32_MAX && drMinExtend.lo.y == INT32_MAX && drMinExtend.hi.x == INT32_MAX && drMinExtend.hi.y == INT32_MAX) drMinExtend = Node::ValidateExtend(ExtParams); return drMinExtend; } /******************************************************************************************** > virtual void NodePath::Extend(const ExtendParams& ExtParams) const Author: Karim_MacDonald (Xara Group Ltd) Created: 25/11/1999 Inputs: ExtParams parameters describing the extension. Outputs: this NodePath will be extended in accordance with ExtParams. Returns: Purpose: Perform an Extend operation on this path. Behaviour is as follows: * the path extends separately along each axis. * if the path is asked to stretch, it scales along the corresponding axes. * if the path is asked to extend, its control points translate, as described by ExtParams. Errors: See also: class Extender ********************************************************************************************/ void NodePath::Extend(const ExtendParams& ExtParams) { TransformTranslateObject(ExtParams); TransformStretchObject(ExtParams); // do the base-class implementation to extend our children. Node::Extend(ExtParams); } /******************************************************************************************** > virtual void NodePath::TransformTranslateObject(const ExtendParams& ExtParams) Author: Karim_MacDonald (Xara Group Ltd) Created: 01/12/1999 Inputs: ExtParams description of how this path should extend. Outputs: This path's control points may be extended, depending on ExtParams' flags. Purpose: Do an extend (as opposed to stretch) operation on this path, using ExtParams as the source of the extend data, together with the extend-centre of this path, defined in NodeRenderable::FindExtendCentre(). This function does nothing unless ExtParams uses X_EXTEND or Y_EXTEND. See also: The Extender class; FindExtendCentre(). ********************************************************************************************/ void NodePath::TransformTranslateObject(const ExtendParams& ExtParams) { // get the path's control points. INT32 numPoints = InkPath.GetNumCoords(); DocCoord* doccArray = InkPath.GetCoordArray(); // x-extension behaviour. if (ExtParams.fExtendFlags & X_EXTEND) { // translate the whole path by the offset from start- to end- centres. Trans2DMatrix baseXoffset(ExtParams.doccOffset.x, 0); Transform(baseXoffset); for (INT32 i = 0; i < numPoints; i ++) { if (doccArray[i].x > (ExtParams.doccEndCentre.x + ExtParams.xincExtendBuffer)) doccArray[i].x += ExtParams.xinc; else if (doccArray[i].x < (ExtParams.doccEndCentre.x - ExtParams.xdecExtendBuffer)) doccArray[i].x -= ExtParams.xdec; } } // y-extension behaviour. if (ExtParams.fExtendFlags & Y_EXTEND) { // translate the whole path by the offset from start- to end- centres. Trans2DMatrix baseYoffset(0, ExtParams.doccOffset.y); Transform(baseYoffset); for (INT32 i = 0; i < numPoints; i ++) { if (doccArray[i].y > (ExtParams.doccEndCentre.y + ExtParams.yincExtendBuffer)) doccArray[i].y += ExtParams.yinc; else if (doccArray[i].y < (ExtParams.doccEndCentre.y - ExtParams.ydecExtendBuffer)) doccArray[i].y -= ExtParams.ydec; } } } /******************************************************************************************** > virtual DocRect NodePath::GetExtendTargetBounds(const ExtendParams& ExtParams) Author: Karim_MacDonald (Xara Group Ltd) Created: 02/06/2000 Inputs: ExtParams const ref to an ExtendParams class describing the extension. Outputs: Returns: The DocRect to treat as the bounding rect of this node when extending. Purpose: Return a DocRect which contains the bounds of this node as defined and required by the Extending mechanism. We treat x- and y- directions separately, and we always return our true bounds, unless we're extending in a direction, in which case we return the bounds of our extend control points, which are currently all of our inkpath's control points. Errors: See also: SliceHelper::BoundingNodeSize(). ********************************************************************************************/ DocRect NodePath::GetExtendTargetBounds(const ExtendParams& ExtParams) { // think twice about using InkPath::GetTrueBoundingRect() here - using // NodePath::GetBoundingRect takes factors such as attributes into account. DocRect drBounds = GetBoundingRect(); DocRect drPointBounds = InkPath.GetBoundingRect(); if (ExtParams.fExtendFlags & X_EXTEND) { drBounds.lo.x = drPointBounds.lo.x; drBounds.hi.x = drPointBounds.hi.x; } if (ExtParams.fExtendFlags & Y_EXTEND) { drBounds.lo.y = drPointBounds.lo.y; drBounds.hi.y = drPointBounds.hi.y; } return drBounds; } /******************************************************************************************** > static BOOL NodePath::CreateFromPath(NodePath** ppNewPath, Path* pSrcPath = NULL, Operation* pOp = NULL); Author: Karim_MacDonald (Xara Group Ltd) Created: 30/10/2000 Inputs: ppNewPath ptr to the ptr holding any new NodePath. pSrcPath the path which the new NodePath will copy its data from. if NULL, then you just get back a fresh NodePath, ready for use. pOp an Op ptr - if we run out of memory, then we can reclaim memory via this ptr; ok if this is NULL. Outputs: *pNewPath holds a new NodePath, if successful, NULL otherwise. Returns: TRUE if success, FALSE otherwise. Purpose: Create and initialise a new NodePath, using the given path information if provided. Errors: ERROR2 with FALSE if ppNewPath is NULL. ********************************************************************************************/ BOOL NodePath::CreateFromPath(NodePath** ppNewPath, Path* pSrcPath, Operation* pOp) { ERROR2IF(ppNewPath == NULL, FALSE, "NodePath::CreateFromPath; called with NULL param!"); NodePath* pNewPath = NULL; ALLOC_WITH_FAIL(pNewPath, new NodePath, pOp); if (pNewPath != NULL) { if (pSrcPath != NULL) { BOOL ok = pNewPath->InkPath.Initialise(pSrcPath->GetNumCoords(), 1); if (ok) CALL_WITH_FAIL(pNewPath->InkPath.CopyPathDataFrom(pSrcPath), pOp, ok); if (!ok) { delete pNewPath; pNewPath = NULL; } } else { pNewPath->SetUpPath(); } } *ppNewPath = pNewPath; return (pNewPath != NULL); } /******************************************************************************************** > Path* NodePath::GetPathCopy() Author: Karim_MacDonald (Xara Group Ltd) Created: 18/11/2000 Returns: ptr to a copy of our path if successful, NULL otherwise. Purpose: A quick'n'easy way to get a permanent copy of our path. Notes: The copy is allocated on the heap, so it's *your* responsibility to dispose of it. ********************************************************************************************/ Path* NodePath::GetPathCopy() { Path* pResult = new Path; if (pResult != NULL) { if (!pResult->Initialise(InkPath.GetNumCoords()) || !pResult->CloneFrom(InkPath)) { delete pResult; pResult = NULL; } } return pResult; } /******************************************************************************************** > virtual BOOL NodePath::GetAreaDetails(XLONG* pxlArea, XLONG* pXLPerimeter) Author: Phil_Martin (Xara Group Ltd) Created: 12/03/2005 Outputs: xlArea xlPerimeter Returns: TRUE if calcs succeeded Purpose: Work out 2-dimensional properties of this node ********************************************************************************************/ BOOL NodePath::GetAreaDetails(XLONG* pxlArea, XLONG* pxlPerimeter) { BOOL bOK = TRUE; *pxlArea = InkPath.CalcArea(); double dDistance = 0; bOK = InkPath.DistanceTo(InkPath.GetNumCoords()-1, 1, &dDistance); *pxlPerimeter = (INT32)dDistance; return TRUE; } //------------------------------------------------------------------------------------- //------------------------------------------------------------------------------------- //------------------------------------------------------------------------------------- /******************************************************************************************** > PathRecordHandler::PathRecordHandler() Author: Mark_Neves (Xara Group Ltd) Created: 8/8/96 Inputs: - Returns: - Purpose: Default constructor SeeAlso: - ********************************************************************************************/ //PathRecordHandler::PathRecordHandler() //{ // pLastInsertedPath = NULL; //} /******************************************************************************************** > BOOL PathRecordHandler::BeginImport() Author: Mark_Neves (Xara Group Ltd) Created: 8/8/96 Inputs: - Returns: TRUE if ok, FALSE otherwise Purpose: Informs the handler that the filter's about to start importing SeeAlso: - ********************************************************************************************/ //BOOL PathRecordHandler::BeginImport() //{ // pLastInsertedPath = NULL; // return TRUE; //} /******************************************************************************************** > virtual UINT32* PathRecordHandler::GetTagList() Author: Mark_Neves (Xara Group Ltd) Created: 30/5/96 Inputs: - Returns: Ptr to a list of tag values, terminated by CXFRH_TAG_LIST_END Purpose: Provides the record handler system with a list of records handled by this handler SeeAlso: - ********************************************************************************************/ UINT32* PathRecordHandler::GetTagList() { static UINT32 TagList[] = { TAG_PATH, TAG_PATH_FILLED, TAG_PATH_STROKED, TAG_PATH_FILLED_STROKED, TAG_PATH_RELATIVE, TAG_PATH_RELATIVE_FILLED, TAG_PATH_RELATIVE_STROKED, TAG_PATH_RELATIVE_FILLED_STROKED, // TAG_PATH_FLAGS, TAG_PATHREF_IDENTICAL, TAG_PATHREF_TRANSFORM, CXFRH_TAG_LIST_END}; return (UINT32*)&TagList; } /******************************************************************************************** > virtual BOOL PathRecordHandler::HandleRecord(CXaraFileRecord* pCXaraFileRecord) Author: Mark_Neves (Xara Group Ltd) Created: 30/5/96 Inputs: pCXaraFileRecord = ptr to record to handle Returns: TRUE if handled successfuly FALSE otherwise Purpose: Handles the given record. SeeAlso: - ********************************************************************************************/ BOOL PathRecordHandler::HandleRecord(CXaraFileRecord* pCXaraFileRecord) { ERROR2IF(pCXaraFileRecord == NULL,FALSE,"pCXaraFileRecord is NULL"); BOOL ok = TRUE; switch (pCXaraFileRecord->GetTag()) { case TAG_PATH: ok = HandlePathRecord(pCXaraFileRecord,FALSE,FALSE);break; case TAG_PATH_FILLED: ok = HandlePathRecord(pCXaraFileRecord,TRUE,FALSE); break; case TAG_PATH_STROKED: ok = HandlePathRecord(pCXaraFileRecord,FALSE,TRUE); break; case TAG_PATH_FILLED_STROKED: ok = HandlePathRecord(pCXaraFileRecord,TRUE,TRUE); break; case TAG_PATH_RELATIVE: ok = HandlePathRelativeRecord(pCXaraFileRecord,FALSE,FALSE);break; case TAG_PATH_RELATIVE_FILLED: ok = HandlePathRelativeRecord(pCXaraFileRecord,TRUE,FALSE); break; case TAG_PATH_RELATIVE_STROKED: ok = HandlePathRelativeRecord(pCXaraFileRecord,FALSE,TRUE); break; case TAG_PATH_RELATIVE_FILLED_STROKED: ok = HandlePathRelativeRecord(pCXaraFileRecord,TRUE,TRUE); break; // case TAG_PATH_FLAGS: ok = HandlePathFlagsRecord(pCXaraFileRecord,GetLastInsertedPath()); break; case TAG_PATHREF_IDENTICAL: case TAG_PATHREF_TRANSFORM: ok = HandlePathRefRecord(pCXaraFileRecord); break; default: ok = FALSE; ERROR3_PF(("I don't handle records with the tag (%d)\n",pCXaraFileRecord->GetTag())); break; } return ok; } /******************************************************************************************** > BOOL PathRecordHandler::HandlePathRecord(CXaraFileRecord* pCXaraFileRecord,BOOL Filled,BOOL Stroked) Author: Mark_Neves (Xara Group Ltd) Created: 30/5/96 Inputs: pCXaraFileRecord = ptr to record to handle Filled = TRUE if the path should be filled Stroked= TRUE if the path should be stroked Returns: TRUE if handled successfuly FALSE otherwise Purpose: Handles the given record. The record has to be a path record SeeAlso: - ********************************************************************************************/ BOOL PathRecordHandler::HandlePathRecord(CXaraFileRecord* pCXaraFileRecord,BOOL Filled,BOOL Stroked) { ERROR2IF(pCXaraFileRecord == NULL,FALSE,"pCXaraFileRecord is NULL"); ERROR3IF(!IsTagInList(pCXaraFileRecord->GetTag()),"I don't handle this tag type"); BOOL ok = FALSE; NodePath* pNodePath = new NodePath; if (pNodePath != NULL && pNodePath->SetUpPath()) { ok = pCXaraFileRecord->ReadPath(&pNodePath->InkPath); if (ok) { pNodePath->InkPath.IsFilled = Filled; // Set the filled flag pNodePath->InkPath.IsStroked= Stroked; // Set the stroked flag pNodePath->InkPath.InitialiseFlags(); // Init the path flags array to something sensible } } if (ok) ok = InsertNode(pNodePath); if (ok) SetLastNodePathInserted(pNodePath); if (ok) AddPathRecordRefToList(pNodePath,pCXaraFileRecord->GetRecordNumber()); return ok; } /******************************************************************************************** > BOOL PathRecordHandler::HandlePathRelativeRecord(CXaraFileRecord* pCXaraFileRecord,BOOL Filled,BOOL Stroked) Author: Mark_Neves (Xara Group Ltd) Created: 22/8/96 Inputs: pCXaraFileRecord = ptr to record to handle Filled = TRUE if the path should be filled Stroked= TRUE if the path should be stroked Returns: TRUE if handled successfuly FALSE otherwise Purpose: Handles the given record. The record has to be a path relative record SeeAlso: - ********************************************************************************************/ BOOL PathRecordHandler::HandlePathRelativeRecord(CXaraFileRecord* pCXaraFileRecord,BOOL Filled,BOOL Stroked) { ERROR2IF(pCXaraFileRecord == NULL,FALSE,"pCXaraFileRecord is NULL"); ERROR3IF(!IsTagInList(pCXaraFileRecord->GetTag()),"I don't handle this tag type"); BOOL ok = FALSE; NodePath* pNodePath = new NodePath; if (pNodePath != NULL && pNodePath->SetUpPath()) { ok = pCXaraFileRecord->ReadPathRelative(&pNodePath->InkPath); if (ok) { pNodePath->InkPath.IsFilled = Filled; // Set the filled flag pNodePath->InkPath.IsStroked= Stroked; // Set the stroked flag pNodePath->InkPath.InitialiseFlags(); // Init the path flags array to something sensible } } if (ok) ok = InsertNode(pNodePath); if (ok) SetLastNodePathInserted(pNodePath); if (ok) AddPathRecordRefToList(pNodePath,pCXaraFileRecord->GetRecordNumber()); return ok; } /******************************************************************************************** > BOOL PathRecordHandler::HandlePathRefRecord(CXaraFileRecord* pCXaraFileRecord) Author: Mark_Neves (Xara Group Ltd) Created: 3/9/96 Inputs: pCXaraFileRecord = ptr to record to handle Returns: TRUE if handled successfuly FALSE otherwise Purpose: Handles the given record. The record has to be a path reference record SeeAlso: - ********************************************************************************************/ BOOL PathRecordHandler::HandlePathRefRecord(CXaraFileRecord* pCXaraFileRecord) { ERROR2IF(pCXaraFileRecord == NULL,FALSE,"pCXaraFileRecord is NULL"); ERROR3IF(pCXaraFileRecord->GetTag() != TAG_PATHREF_TRANSFORM,"I don't handle this tag type"); BOOL ok = TRUE; UINT32 SrcRecNum; Matrix Transform; if (ok) ok = pCXaraFileRecord->ReadUINT32(&SrcRecNum); if (ok) ok = pCXaraFileRecord->ReadMatrixTrans(&Transform,0,0); if (ok) { ok = FALSE; // Default to fail state NodePath* pSrcPath = FindPathRecordRefPath(SrcRecNum); if (pSrcPath != NULL) { NodePath* pNodePath = new NodePath; if (pNodePath != NULL && pNodePath->SetUpPath()) { if (pNodePath->InkPath.MergeTwoPaths(pSrcPath->InkPath)) { pNodePath->InkPath.IsFilled = pSrcPath->InkPath.IsFilled; pNodePath->InkPath.IsStroked= pSrcPath->InkPath.IsStroked; // See note in BaseCamelotFilter::FindSimilarPath() for an explaination of why we need // to translate the path before transforming it. // Translate the source path so that it has the same coords as that stored in the file DocCoord Origin = GetCoordOrigin(); { Matrix TranslateMat(-Origin.x,-Origin.y); Trans2DMatrix Translate(TranslateMat); pNodePath->Transform(Translate); } // Transform the path with the read in matrix Trans2DMatrix Trans(Transform); pNodePath->Transform(Trans); // Translate the source path back to it's origin position { Matrix TranslateMat(Origin.x,Origin.y); Trans2DMatrix Translate(TranslateMat); pNodePath->Transform(Translate); } ok = InsertNode(pNodePath); if (ok) SetLastNodePathInserted(pNodePath); } } } } return ok; } /******************************************************************************************** > virtual void PathRecordHandler::GetRecordDescriptionText(CXaraFileRecord* pRecord,StringBase* pStr) Author: Mark_Neves (Xara Group Ltd) Created: 12/6/96 Inputs: pRecord = ptr to a record pStr = ptr to string to update Returns: - Purpose: This is the base class record description generator. It doesn't do anything yet. Errors: - SeeAlso: - ********************************************************************************************/ #ifdef XAR_TREE_DIALOG void PathRecordHandler::GetRecordDescriptionText(CXaraFileRecord* pRecord,StringBase* pStr) { if (pStr == NULL || pRecord == NULL) return; TCHAR s[256]; // Call base class first CamelotRecordHandler::GetRecordDescriptionText(pRecord,pStr); switch (pRecord->GetTag()) { case TAG_PATH: case TAG_PATH_FILLED: case TAG_PATH_STROKED: case TAG_PATH_FILLED_STROKED: // Use standard base class func for describing the path textually DescribePath(pRecord,pStr); break; case TAG_PATH_RELATIVE: case TAG_PATH_RELATIVE_FILLED: case TAG_PATH_RELATIVE_STROKED: case TAG_PATH_RELATIVE_FILLED_STROKED: // Use standard base class func for describing the path textually DescribePathRelative(pRecord,pStr); break; /* case TAG_PATH_FLAGS: { UINT32 NumFlags = pRecord->GetSize()*sizeof(BYTE); BYTE Flags; for (UINT32 i=0;i < NumFlags;i++) { pRecord->ReadBYTE(&Flags); camSprintf(s,_T("Flags\r\n")); (*pStr) += s; camSprintf(s,_T("Smooth:\t%d\r\n"), (Flags & TAG_PATH_FLAGS_SMOOTH) != 0); (*pStr) += s; camSprintf(s,_T("Rotate:\t%d\r\n"), (Flags & TAG_PATH_FLAGS_ROTATE) != 0); (*pStr) += s; camSprintf(s,_T("EndPoint:\t%d\r\n"), (Flags & TAG_PATH_FLAGS_ENDPOINT) != 0); (*pStr) += s; camSprintf(s,_T("\r\n")); (*pStr) += s; } } break; */ case TAG_PATHREF_TRANSFORM: { UINT32 SrcRecNum; Matrix Transform; pRecord->ReadUINT32(&SrcRecNum); pRecord->ReadMatrix(&Transform); camSprintf(s,_T("Src path rec num:\t%d\r\n"),SrcRecNum); (*pStr) += s; FIXED16 abcd[4]; INT32 ef[2]; double d; Transform.GetComponents(abcd,ef); d = abcd[0].MakeDouble(); camSprintf(s,_T("a = %g\r\n"),d); (*pStr) += s; d = abcd[1].MakeDouble(); camSprintf(s,_T("b = %g\r\n"),d); (*pStr) += s; d = abcd[2].MakeDouble(); camSprintf(s,_T("c = %g\r\n"),d); (*pStr) += s; d = abcd[3].MakeDouble(); camSprintf(s,_T("d = %g\r\n"),d); (*pStr) += s; camSprintf(s,_T("e = %d\r\n"),ef[0]); (*pStr) += s; camSprintf(s,_T("f = %d\r\n"),ef[1]); (*pStr) += s; } break; } } #endif //------------------------------------------------------------------------------------- //------------------------------------------------------------------------------------- //------------------------------------------------------------------------------------- //------------------------------------------------------------------------------------- /******************************************************************************************** > virtual UINT32* PathFlagsRecordHandler::GetTagList() Author: Mark_Neves (Xara Group Ltd) Created: 11/5/99 Inputs: - Returns: Ptr to a list of tag values, terminated by CXFRH_TAG_LIST_END Purpose: Provides the record handler system with a list of records handled by this handler SeeAlso: - ********************************************************************************************/ UINT32* PathFlagsRecordHandler::GetTagList() { static UINT32 TagList[] = { TAG_PATH_FLAGS, CXFRH_TAG_LIST_END}; return (UINT32*)&TagList; } /******************************************************************************************** > BOOL PathFlagsRecordHandler::HandleRecord(CXaraFileRecord* pCXaraFileRecord) Author: Mark_Neves (Xara Group Ltd) Created: 11/5/99 Inputs: pCXaraFileRecord = ptr to record to handle Returns: TRUE if handled successfuly FALSE otherwise Purpose: Handles the given record. The record has to be a path flags record NOTE: moved from PathRecordHandler class by Markn 12/5/99 SeeAlso: - ********************************************************************************************/ BOOL PathFlagsRecordHandler::HandleRecord(CXaraFileRecord* pCXaraFileRecord) { ERROR2IF(pCXaraFileRecord == NULL,FALSE,"pCXaraFileRecord is NULL"); ERROR3IF(pCXaraFileRecord->GetTag() != TAG_PATH_FLAGS,"I don't handle this tag type"); BOOL ok = TRUE; NodePath* pNodePath = GetLastNodePathInserted(); if (pNodePath != NULL) { UINT32 NumFlags = pCXaraFileRecord->GetSize()*sizeof(BYTE); UINT32 NumCoords = pNodePath->InkPath.GetNumCoords(); if (NumCoords == NumFlags) { PathFlags* pFlags = pNodePath->InkPath.GetFlagArray(); BYTE Flags; for (UINT32 i=0; ok && i < NumFlags;i++) { ok = pCXaraFileRecord->ReadBYTE(&Flags); if (ok) { pFlags[i].IsSmooth = (Flags & TAG_PATH_FLAGS_SMOOTH) != 0; pFlags[i].IsRotate = (Flags & TAG_PATH_FLAGS_ROTATE) != 0; pFlags[i].IsEndPoint= (Flags & TAG_PATH_FLAGS_ENDPOINT) != 0; } } } } else { ERROR3("NULL node path ptr"); // Only complain a little in debug builds } return ok; } /******************************************************************************************** > virtual void PathFlagsRecordHandler::GetRecordDescriptionText(CXaraFileRecord* pRecord,StringBase* pStr) Author: Mark_Neves (Xara Group Ltd) Created: 11/5/99 Inputs: pRecord = ptr to a record pStr = ptr to string to update Returns: - Purpose: This is the base class record description generator. It doesn't do anything yet. Errors: - SeeAlso: - ********************************************************************************************/ #ifdef XAR_TREE_DIALOG void PathFlagsRecordHandler::GetRecordDescriptionText(CXaraFileRecord* pRecord,StringBase* pStr) { if (pStr == NULL || pRecord == NULL) return; TCHAR s[256]; // Call base class first CamelotRecordHandler::GetRecordDescriptionText(pRecord,pStr); switch (pRecord->GetTag()) { case TAG_PATH_FLAGS: { UINT32 NumFlags = pRecord->GetSize()*sizeof(BYTE); BYTE Flags; for (UINT32 i=0;i < NumFlags;i++) { pRecord->ReadBYTE(&Flags); camSprintf(s,_T("Flags\r\n")); (*pStr) += s; camSprintf(s,_T("Smooth:\t%d\r\n"), (Flags & TAG_PATH_FLAGS_SMOOTH) != 0); (*pStr) += s; camSprintf(s,_T("Rotate:\t%d\r\n"), (Flags & TAG_PATH_FLAGS_ROTATE) != 0); (*pStr) += s; camSprintf(s,_T("EndPoint:\t%d\r\n"), (Flags & TAG_PATH_FLAGS_ENDPOINT) != 0); (*pStr) += s; camSprintf(s,_T("\r\n")); (*pStr) += s; } } break; } } #endif