// $Id: ndmldpth.cpp 1315 2006-06-14 09:51:34Z alex $ /* @@tag:xara-cn@@ DO NOT MODIFY THIS LINE ================================XARAHEADERSTART=========================== Xara LX, a vector drawing and manipulation program. Copyright (C) 1993-2006 Xara Group Ltd. Copyright on certain contributions may be held in joint with their respective authors. See AUTHORS file for details. LICENSE TO USE AND MODIFY SOFTWARE ---------------------------------- 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. You should have received a copy of the GNU General Public License along with Xara LX (see the file GPL in the root directory of the distribution); if not, write to the Free Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA ADDITIONAL RIGHTS ----------------- Conditional upon your continuing compliance with the GNU General Public License described above, Xara Group Ltd grants to you certain additional rights. The additional rights are to use, modify, and distribute the software together with the wxWidgets library, the wxXtra library, and the "CDraw" library and any other such library that any version of Xara LX relased by Xara Group Ltd requires in order to compile and execute, including the static linking of that library to XaraLX. In the case of the "CDraw" library, you may satisfy obligation under the GNU General Public License to provide source code by providing a binary copy of the library concerned and a copy of the license accompanying it. Nothing in this section restricts any of the rights you have under the GNU General Public License. SCOPE OF LICENSE ---------------- This license applies to this program (XaraLX) and its constituent source files only, and does not necessarily apply to other Xara products which may in part share the same code base, and are subject to their own licensing terms. This license does not apply to files in the wxXtra directory, which are built into a separate library, and are subject to the wxWindows license contained within that directory in the file "WXXTRA-LICENSE". This license does not apply to the binary libraries (if any) within the "libs" directory, which are subject to a separate license contained within that directory in the file "LIBS-LICENSE". ARRANGEMENTS FOR CONTRIBUTION OF MODIFICATIONS ---------------------------------------------- Subject to the terms of the GNU Public License (see above), you are free to do whatever you like with your modifications. However, you may (at your option) wish contribute them to Xara's source tree. You can find details of how to do this at: http://www.xaraxtreme.org/developers/ Prior to contributing your modifications, you will need to complete our contributor agreement. This can be found at: http://www.xaraxtreme.org/developers/contribute/ Please note that Xara will not accept modifications which modify any of the text between the start and end of this header (marked XARAHEADERSTART and XARAHEADEREND). MARKS ----- Xara, Xara LX, Xara X, Xara X/Xtreme, Xara Xtreme, the Xtreme and Xara designs are registered or unregistered trademarks, design-marks, and/or service marks of Xara Group Ltd. All rights in these marks are reserved. Xara Group Ltd, Gaddesden Place, Hemel Hempstead, HP2 6EX, UK. http://www.xara.com/ =================================XARAHEADEREND============================ */ // NodeMouldPath implementation. This file controls the tree node 'mouldpath' // which is the shape of the mould for perspective and envelope shapes. /* */ #include "camtypes.h" #include "ndmldpth.h" #include "nodepath.h" #include "nodemold.h" #include "nodemldr.h" #include "moldshap.h" #include "aw_eps.h" #include "nativeps.h" // The old style EPS native filter, used in v1.1 #include "blobs.h" //#include "app.h" - in camtypes.h [AUTOMATICALLY REMOVED] //#include "tim.h" //#include "ngcore.h" // NameGallery, for stretching functionality #include "cxftags.h" //#include "cxfrec.h" - in camtypes.h [AUTOMATICALLY REMOVED] //#include "camfiltr.h" - in camtypes.h [AUTOMATICALLY REMOVED] DECLARE_SOURCE("$Revision: 1315 $"); CC_IMPLEMENT_DYNCREATE( NodeMouldPath, NodePath ) // Declare smart memory handling in Debug builds #define new CAM_DEBUG_NEW /********************************************************************************************* > NodeMouldPath::NodeMouldPath() Author: Mike_Kenny (Xara Group Ltd) Created: 16/01/95 Purpose: This constructor creates a NodeMouldPath linked to no other, with all status flags false and an uninitialised bounding rectangle. **********************************************************************************************/ NodeMouldPath::NodeMouldPath(): NodePath() { } /*********************************************************************************************** > void NodeMouldPath::NodeMouldPath ( Node* ContextNode, AttachNodeDirection Direction, BOOL Locked = FALSE, BOOL Mangled = FALSE, BOOL Marked = FALSE, BOOL Selected = FALSE, ) Author: Mike_Kenny (Xara Group Ltd) Created: 16/01/95 Inputs: ContextNode: Pointer to a node which this node is to be attached to. Direction: Specifies the direction in which this 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 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 ? Outputs: - Returns: - Purpose: This method initialises the node and links it to ContextNode in the direction specified by Direction. All necessary tree links are updated. Errors: An assertion error will occur if ContextNode is NULL ***********************************************************************************************/ NodeMouldPath::NodeMouldPath(Node* ContextNode, AttachNodeDirection Direction, BOOL Locked, BOOL Mangled, BOOL Marked, BOOL Selected ):NodePath(ContextNode, Direction, Locked, Mangled, Marked, Selected) { } /********************************************************************************************* > NodeMouldPath::~NodeMouldPath() Author: Mike_Kenny (Xara Group Ltd) Created: 16/01/95 Purpose: Destructor for Node MouldPath. This does nothing at present. **********************************************************************************************/ NodeMouldPath::~NodeMouldPath() { } /*********************************************************************************************** > virtual Node* NodeMouldPath::SimpleCopy() Author: Mike_Kenny (Xara Group Ltd) Created: 16/01/95 Returns: Pointer to a Node Purpose: Makes a copy of all the data in the node ***********************************************************************************************/ Node* NodeMouldPath::SimpleCopy() { NodeMouldPath* NodeCopy = new NodeMouldPath(); if (NodeCopy) CopyNodeContents(NodeCopy); return NodeCopy; } /*********************************************************************************************** > void NodeMouldPath::CopyNodeContents(NodeMouldPath* NodeCopy) Author: Mike_Kenny (Xara Group Ltd) Created: 17/5/95 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 NodeMouldPath::CopyNodeContents( NodeMouldPath* NodeCopy) { NodePath::CopyNodeContents( NodeCopy ); //Copy contents specific to derived class here } /*********************************************************************************************** > void NodeMouldPath::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 NodeMouldPath::PolyCopyNodeContents(NodeRenderable* pNodeCopy) { ENSURE(pNodeCopy, "Trying to copy a node's contents into a NULL node"); ENSURE(IS_A(pNodeCopy, NodeMouldPath), "PolyCopyNodeContents given wrong dest node type"); if (IS_A(pNodeCopy, NodeMouldPath)) CopyNodeContents((NodeMouldPath*)pNodeCopy); } /*********************************************************************************************** > virtual void NodeMouldPath::Render(RenderRegion* pRRegion) Author: Mike_Kenny (Xara Group Ltd) Created: 16/01/95 Inputs: Pointer to a render region Purpose: Overrides inherited function to do nothing. ***********************************************************************************************/ void NodeMouldPath::Render(RenderRegion* pRender) { if (!InsideMould()) NodePath::Render(pRender); } /******************************************************************************************** > virtual void NodeMouldPath::RenderEorDrag( RenderRegion* pRender ) Author: Mike_Kenny (Xara Group Ltd) Created: 16/01/95 Inputs: pRender - A Pointer to the current RenderRegion Purpose: Overrides inherited function to do nothing. ********************************************************************************************/ void NodeMouldPath::RenderEorDrag( RenderRegion* pRender ) { #if !defined(EXCLUDE_FROM_RALPH) //if (!InsideMould()) BlobManager* pBlobMan = GetApplication()->GetBlobManager(); BlobStyle CurrBlobs = pBlobMan->GetCurrentInterest(); if (CurrBlobs.Object) NodePath::RenderEorDrag(pRender); #endif } /******************************************************************************************** > virtual void NodeMouldPath::RenderObjectBlobs(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 object blobs into the render region supplied ********************************************************************************************/ void NodeMouldPath::RenderObjectBlobs(RenderRegion* pRender) { #if !defined(EXCLUDE_FROM_RALPH) if (!InsideMould()) NodePath::RenderObjectBlobs(pRender); else { // set our eor colour. pRender->SetLineColour(BLACK); // render the path pRender->DrawPath(&InkPath); // call the parent class render function NodePath::RenderObjectBlobs(pRender); } #endif } /******************************************************************************************** > DocRect NodeMouldPath::GetBoundingRect(BOOL DontUseAttrs=FALSE, BOOL HitTest=FALSE) Author: Mike_Kenny (Xara Group Ltd) Created: 17/01/95 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: A null rectangle Purpose: Returns a completely null rectangle ********************************************************************************************/ DocRect NodeMouldPath::GetBoundingRect(BOOL DontUseAttrs, BOOL HitTest) { /* Tricky problems: (1) When importing, the importer translates the imported picture to centre around the drop point. Unfortunately it calls us to find our bbox. We don't have a bbox until the moulder nodes are built, which is not until PostImport time so the importer does a Translate = (Drop - Center) which is X = (0 - C), BAD. So we must return a bbox if their is no moulder in the mould! Nasty Showstopper fix */ if (InsideMould()) { // if there is a moulder node to contribute a bbox if (FindNext(CC_RUNTIME_CLASS(NodeMoulder))) { // Then we dont contribute anything! DocRect Rect; return Rect; } } // Otherwise we do. return NodePath::GetBoundingRect(DontUseAttrs); } /******************************************************************************************** > BOOL NodeMouldPath::InsideMould() Author: Mike_Kenny (Xara Group Ltd) Created: 09/02/95 Inputs: - Returns: TRUE if this mould path is inside a mould object ie its immediate parent is a mould object Purpose: Determins whether the immediate parent of this node mould path object is a mould object. ********************************************************************************************/ BOOL NodeMouldPath::InsideMould() { Node* p = FindParent(); if (p) { if (IS_A(p, NodeMould)) return TRUE; if (IS_A(p, NodeHidden)) return TRUE; } return FALSE; } /********************************************************************************************* > BOOL NodeMouldPath::ExportRender(RenderRegion* pRegion) Author: Mike_Kenny (Xara Group Ltd) Created: 14/03/95 Inputs: pRegion = ptr to the export render region to export to Outputs: Returns: TRUE if ok, FALSE if something went wrong Purpose: Called after this node and all of its children have been rendered to the export region. This outputs the "end mould" command. Supports ArtWorks EPS and Camelot EPS Errors: **********************************************************************************************/ BOOL NodeMouldPath::ExportRender(RenderRegion* pRegion) { #ifdef DO_EXPORT if (pRegion->IS_KIND_OF(NativeRenderRegion)) return ExportCAMEPS(pRegion); if (pRegion->IS_KIND_OF(ArtWorksEPSRenderRegion)) return ExportAWEPS(pRegion); #endif return FALSE; } /********************************************************************************************* BOOL NodeMouldPath::ExportCAMEPS(RenderRegion* pRegion) Author: Mike_Kenny (Xara Group Ltd) Created: 14/03/95 Inputs: pRegion = a pointer to a Camelot EPS render region Returns: TRUE if we've rendered the object FALSE if we want the caller to render the object Purpose: Export delimiter tokens for this particular object. The format is defined as csmp path description cemp **********************************************************************************************/ BOOL NodeMouldPath::ExportCAMEPS(RenderRegion* pRegion) { #ifdef DO_EXPORT EPSExportDC *pDC = (EPSExportDC *) pRegion->GetRenderDC(); // If we're hanging around in a mould then export the correct tokens if (!InsideMould()) { NodePath::Render(pRegion); } else { pDC->OutputToken(_T("csmp")); // Camelot "start mould path" token pDC->OutputNewLine(); // Call the parent class NodePath::Render(pRegion); pDC->OutputToken(_T("cemp")); // Camelot "start mould path" token pDC->OutputNewLine(); } #endif return TRUE; } /********************************************************************************************* BOOL NodeMouldPath::ExportAWEPS(RenderRegion* pRegion) Author: Mike_Kenny (Xara Group Ltd) Created: 14/03/95 Inputs: pRegion = a pointer to a Camelot EPS render region Returns: TRUE if we've rendered the object FALSE if we want the caller to render the object Purpose: Overrides the standard call to Obj->Render so we can render the path as we would like **********************************************************************************************/ BOOL NodeMouldPath::ExportAWEPS(RenderRegion* pRegion) { // just return false for the moment until we write our // proper random AWEPS path render function return FALSE; } /******************************************************************************************** > virtual INT32 NodeMouldPath::ComplexCopy(CopyStage Stage, Range& RangeToCopy, Node** pOutput) Author: Mike_Kenny (Xara Group Ltd) Created: 3/5/95 Inputs: Stage - COPYOBJECT if we should make a copy - COPYFINISHED once the entire copy operation has completed RangeToCopy - Describes the range which is currently being copied. pOutput - a pointer to a pointer to a node. Set this pointer to point at the tree copy Returns: -1 = The routine failed to make a copy. 0 = No copy has been made. +1 = pOutput points to the copy. Purpose: If the copystage is COPYOBJECT, The node has been called to copy itself and do what ever it needs to to make a sensible copy of other items such as attributes. The caller (CopyObjects) will not deep copy this node (as this is a complex copy and it expects the handler to know what its doing). In this case the NodeMouldPath object needs to turn itself into a node path. SeeAlso Node::ComplexCopy(), CopyObjects() ********************************************************************************************/ INT32 NodeMouldPath::ComplexCopy(CopyStage Stage, Range& RangeToCopy, Node** pOutput) { ERROR2IF(pOutput==NULL,FALSE,"NodeMouldPath::ComplexCopy() called with NULL output pointer!"); switch (Stage) { case COPYOBJECT: { // we've been asked to make a copy of ourselves NodePath* NodeCopy = new NodePath; BOOL ok = (NodeCopy!=NULL); if (ok) { NodePath::CopyNodeContents(NodeCopy); // Copy contents specific to derived class here NodeCopy->InkPath.IsFilled = TRUE; } if (ok) { (*pOutput) = NodeCopy; return 1; } else return -1; } break; case COPYFINISHED: return 0; break; default: return -1; break; } } /******************************************************************************************** > virtual BOOL NodeMouldPath::WritePreChildrenWeb(BaseCamelotFilter* pFilter) Author: Mark_Neves (Xara Group Ltd) Created: 19/7/96 Inputs: pFilter = ptr to the filter Returns: TRUE if record is written, FALSE if not Purpose: Writes the mould path record to the filter SeeAlso: - ********************************************************************************************/ BOOL NodeMouldPath::WritePreChildrenWeb(BaseCamelotFilter* pFilter) { ERROR2IF(pFilter == NULL,FALSE,"NULL filter param"); INT32 NumCoords = InkPath.GetNumCoords(); INT32 RecordSize = sizeof(INT32)+(sizeof(PathVerb)*NumCoords)+(sizeof(DocCoord)*NumCoords); CamelotFileRecord Rec(pFilter,TAG_MOULD_PATH,RecordSize); BOOL ok = Rec.Init(); if (ok) ok = Rec.WritePath(&InkPath); if (ok) ok = pFilter->Write(&Rec); if (!ok) pFilter->GotError(_R(IDE_FILE_WRITE_ERROR)); return ok; } //-------------------------------------------------------------- // See NodeMouldPath::WritePreChildrenWeb(BaseCamelotFilter* pFilter) // BOOL NodeMouldPath::WritePreChildrenNative(BaseCamelotFilter* pFilter) { return WritePreChildrenWeb(pFilter); }