// $Id: linedef.cpp 1282 2006-06-09 09:46:49Z 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============================ */ // The line definition class implementation. An abstract base class from which to // derive the definitions of things like strokes, brushes. #include "camtypes.h" #include "linedef.h" //#include "colormgr.h" //#include "spread.h" - in camtypes.h [AUTOMATICALLY REMOVED] CC_IMPLEMENT_DYNAMIC(LineDefinition, CCObject) /******************************************************************************************** > LineDefinition::LineDefinition() Author: Diccon_Yamanaka (Xara Group Ltd) Created: 27/2/97 Purpose: default constructor, please don't use it though, i am only keeping it around so I can integrate the StrokeDefinition stuff ********************************************************************************************/ LineDefinition::LineDefinition() { // set to NULL or else CascadeDelete fails in the destructor m_pTree = NULL; } /******************************************************************************************** > LineDefinition::LineDefinition(Node *pLineTree); Author: Diccon_Yamanaka (Xara Group Ltd) Created: 27/2/97 Inputs: pLineTree - A pointer to a Spread node which is the root of a clipart subtree which should be used for this Line definition. It must obey these rules: * It must be a Spread * It must not be linked into any other parent tree structure * It should contain at least one path node (or else the Line will appear "blank"). You should do Make Shapes on the subtree so that text, blends, quickshapes, etc are all in path form * It should be attribute complete, or close thereto Purpose: Constructor SeeAlso: LineComponent::AddNewLine ********************************************************************************************/ LineDefinition::LineDefinition(Node *pLineTree) { ERROR3IF(pLineTree == NULL, "Illegal NULL param"); ERROR3IF(!pLineTree->IsSpread(), "LineDefinitions must begin with a Spread (for now, at least)"); ERROR3IF(pLineTree->FindParent() != NULL, "Line Definition looks like it's linked into a tree!"); m_pTree = pLineTree; // Check the subtree to see if it contains any transparency m_bNeedsTrans = m_pTree->ChildrenNeedTransparency(); IOStore = 0; m_Name = TEXT("Custom line"); m_bOverridesFill = FALSE; m_bOverridesTrans = FALSE; } /******************************************************************************************** > LineDefinition::~LineDefinition() Author: Diccon_Yamanaka (Xara Group Ltd) Created: 27/2/97 Purpose: Destructor ********************************************************************************************/ LineDefinition::~LineDefinition() { if (m_pTree != NULL) { m_pTree->CascadeDelete(); delete m_pTree; } } /******************************************************************************************** > void LineDefinition::SetLineName(StringBase *pName) Author: Diccon_Yamanaka (Xara Group Ltd) Created: 5/3/97 Purpose: Sets the name text string for this Line ********************************************************************************************/ void LineDefinition::SetLineName(StringBase *pName) { ERROR3IF(pName == NULL, "Illegal NULL param"); pName->Left(&m_Name, 31); } /******************************************************************************************** > virtual BOOL LineDefinition::NeedsTransparency() const Author: Diccon_Yamanaka (Xara Group Ltd) Created: 4/3/97 Returns: TRUE if this Line needs transparency in order to render Purpose: Determine if this Line needs transparency in order to render. ********************************************************************************************/ BOOL LineDefinition::NeedsTransparency() const { return(m_bNeedsTrans); } /******************************************************************************************** > static void LineDefinition::ConvertIndexedColours(Node* pRoot) Author: Diccon_Yamanaka (Xara Group Ltd) Created: 4/3/97 Inputs : pRoot - the root of the subtree that is about to passed in to create a linedef Note that this node must actually be a SPREAD, as that is what we expect Ouputs: pSpread with all its indexed colours converted to local doccolours Returns: - Purpose: To convert all the colours in the subtree that we wish to use to make a brush definition ********************************************************************************************/ void LineDefinition::ConvertIndexedColours(Spread* pRoot) { PORTNOTETRACE("other","LineDefinition::ConvertIndexedColours - do nothing"); #ifndef EXCLUDE_FROM_XARALX if (pRoot == NULL) { ERROR3("Spread is NULL"); return; } // start at the layer Node* pNode = pRoot->FindFirstChild(); pNode = pNode->FindFirstChild(); // traverse across the layer while (pNode != NULL) { // search depth first as we may have a group Node *pCurNode = pNode->FindFirstDepthFirst(); Node *pNextNode; while (pCurNode !=NULL) { // We may be about to chop this node out of the tree, so get the next node now pNextNode = pCurNode->FindNextDepthFirst(pNode); // Use to scan the colour fields of the attribute. if (pCurNode->IsAnAttribute()) { UINT32 Context = 0; NodeAttribute *pNodeAttr = (NodeAttribute *) pCurNode; // Get the next colour field from the attribute DocColour *pColour = pNodeAttr->EnumerateColourFields(Context++); while (pColour != NULL) { // For each colour field, make sure the colour is a local DocColour so that // the sub-tree is entirely stand-alone IndexedColour* pIndexCol = pColour->FindParentIndexedColour(); if (pIndexCol != NULL) { ColourGeneric ColDef; ColourContext *cc = ColourManager::GetColourContext(pColour->GetColourModel()); ERROR3IF(cc == NULL, "Can't find colour context?!"); // Get the IndexedColour definition as a standalone colour definition cc->ConvertColour(pIndexCol, &ColDef); // Make the DocColour into a simple standalone "lookalike" of the parent colour *pColour = DocColour(pColour->GetColourModel(), &ColDef); // if the parent colour was named then set the reserved flag if (pIndexCol->IsNamed()) pColour->SetReservedFlag(COL_NAMED); } pColour = pNodeAttr->EnumerateColourFields(Context++); } } pCurNode = pNextNode; } pNode = pNode->FindNext(CC_RUNTIME_CLASS(NodeRenderableInk)); } #endif }