// $Id: npaper.cpp 1361 2006-06-25 16:43:38Z 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. 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Xara Group Ltd, Gaddesden Place, Hemel Hempstead, HP2 6EX, UK. http://www.xara.com/ =================================XARAHEADEREND============================ */ // NodeRenderablePaper class implementation /* //*/ #include "camtypes.h" //#include "npaper.h" - in camtypes.h [AUTOMATICALLY REMOVED] //#include "errors.h" - in camtypes.h [AUTOMATICALLY REMOVED] //#include "mario.h" //#include "ensure.h" - in camtypes.h [AUTOMATICALLY REMOVED] #include "nodedoc.h" //#include "oilcoord.h" - in camtypes.h [AUTOMATICALLY REMOVED] CC_IMPLEMENT_DYNAMIC(NodeRenderablePaper, NodeRenderableBounded) /*********************************************************************************************** > NodeRenderablePaper::NodeRenderablePaper() Author: Simon_Maneggio (Xara Group Ltd) Created: 13/5/93 Inputs: - Outputs: Returns: - Purpose: This constructor creates a NodeRenderablePaper linked to no other with all status flags false and uninitialised bounding and pasteboard rectangles. Errors: ***********************************************************************************************/ NodeRenderablePaper::NodeRenderablePaper(): NodeRenderableBounded() { } /*********************************************************************************************** > void NodeRenderablePaper::NodeRenderablePaper ( Node* ContextNode, AttachNodeDirection Direction, BOOL Locked = FALSE, BOOL Mangled = FALSE, BOOL Marked = FALSE, BOOL Selected = FALSE, ) Author: Simon_Maneggio (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 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 ***********************************************************************************************/ NodeRenderablePaper::NodeRenderablePaper(Node* ContextNode, AttachNodeDirection Direction, BOOL Locked, BOOL Mangled, BOOL Marked, BOOL Selected ):NodeRenderableBounded(ContextNode, Direction, Locked, Mangled, Marked, Selected) { } /******************************************************************************************** > BOOL NodeRenderablePaper::NeedsToRender(RenderRegion *pRender) Author: Tim_Browse (Xara Group Ltd) Created: 24/05/94 Inputs: pRender - the render region in question (NULL if none) Returns: FALSE => we never want to render paper objects while rendering ink objects. Purpose: Indicate that we don't want to render paper objects in the ink loop. SeeAlso: NodeRenderablePaper::NeedsToExport ********************************************************************************************/ SubtreeRenderState NodeRenderablePaper::RenderSubtree(RenderRegion* pRender, Node** ppNextNode, BOOL bClip) { if (pRender && pRender->RenderPaperAsInk()) return SUBTREE_ROOTANDCHILDREN; return SUBTREE_NORENDER; } /******************************************************************************************** > BOOL NodeRenderablePaper::IsPaper() const Author: Phil_Martin (Xara Group Ltd) Created: 25/11/94 Returns: TRUE => we are a paper node. Purpose: Indicate that we ARE paper! (Overrides virtual func in Node.) SeeAlso: Node::IsPaper ********************************************************************************************/ BOOL NodeRenderablePaper::IsPaper() const { return TRUE; } /******************************************************************************************** > BOOL NodeRenderablePaper::NeedsToExport(RenderRegion *pRender, BOOL VisibleLayersOnly = FALSE, BOOL CheckSelected = FALSE) Author: Tim_Browse (Xara Group Ltd) Created: 23/03/94 Inputs: pRender - A pointer to the current export region (null if none) 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: FALSE => we never want to export NodeRenderablePaper objects. Purpose: Indicate that we don't want to export this class of nodes. SeeAlso: NodeRenderablePaper::NeedsToRender ********************************************************************************************/ BOOL NodeRenderablePaper::NeedsToExport(RenderRegion *pRender, BOOL VisibleLayersOnly, BOOL CheckSelected) { return FALSE; } /*********************************************************************************************** > Node* NodeRenderablePaper::SimpleCopy() // Private method Author: Simon_Maneggio (Xara Group Ltd) Created: 28/4/93 Inputs: Outputs: Returns: A copy of the node or NULL if memory runs out Purpose: This method returns a shallow copy of the node with all Node pointers NULL. The function is virtual, and must be defined for all derived classes. Errors: If memory runs out when trying to copy, then ERROR is called with an out of memory error and the function returns NULL. **********************************************************************************************/ Node* NodeRenderablePaper::SimpleCopy() { NodeRenderablePaper* NodeCopy; NodeCopy = new NodeRenderablePaper(); ERRORIF(NodeCopy == NULL, _R(IDE_NOMORE_MEMORY), NULL); CopyNodeContents(NodeCopy); return (NodeCopy); } /*********************************************************************************************** > void NodeRenderablePaper::CopyNodeContents(Node* NodeCopy) Author: Simon_Maneggio (Xara Group Ltd) Created: 28/4/93 Inputs: - Outputs: A copy of this node Returns: - Purpose: This method copies the node's contents to the node pointed to by NodeCopy. Errors: An assertion failure will occur if NodeCopy is NULL Scope: protected ***********************************************************************************************/ void NodeRenderablePaper::CopyNodeContents(NodeRenderablePaper* NodeCopy) { ENSURE(NodeCopy != NULL,"Trying to copy a node's contents into a NULL node"); NodeRenderableBounded::CopyNodeContents(NodeCopy); NodeCopy->PasteboardRect = PasteboardRect; } /*********************************************************************************************** > void NodeRenderablePaper::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 NodeRenderablePaper::PolyCopyNodeContents(NodeRenderable* pNodeCopy) { ENSURE(pNodeCopy, "Trying to copy a node's contents into a NULL node"); ENSURE(IS_A(pNodeCopy, NodeRenderablePaper), "PolyCopyNodeContents given wrong dest node type"); if (IS_A(pNodeCopy, NodeRenderablePaper)) CopyNodeContents((NodeRenderablePaper*)pNodeCopy); } /*********************************************************************************************** > virtual void NodeRenderablePaper::ChangePasteboardRect(const DocRect& PasteRect) Author: Simon_Maneggio (Xara Group Ltd) Created: 25/4/93 Inputs: PasteRect: Rectangle representing the outer limits of the pasteboard Outputs: - Returns: - Purpose: To change the pasteboard rectangle of this node, and then if necessary recursively change the pasteboard rectangles of all its parents. The method also changes the document extents in the NodeDocument node at the root of the tree. Errors: An assertion failure will occur if the parent of a paper object is not a paper object or the root of the tree is not a NodeDocument Scope: protected SeeAlso: NodeRenderablePaper::SetInitialPasteboardRect ***********************************************************************************************/ void NodeRenderablePaper::ChangePasteboardRect(const DocRect& PasteRect) { // Check if the pasteboard rectangle should be changed if (PasteboardRect != PasteRect) { PasteboardRect = PasteRect; // Set the pasteboard rectangle // If the node has a parent then we will need to change its // Pasteboard rectangle if (Parent != NULL) { // CombinedSiblingPasteboardRectangle will be the smallest rectangle which // surrounds all sibling pasteboard rectangles. DocRect CombinedSiblingPasteboardRectangle; // Take the union of this nodes Pasteboard rectangle with all its siblings // pasteboard rectangles. Node* CurrentNode = this->FindParent()->FindFirstChild(); while (CurrentNode != NULL) { if (CurrentNode->IsKindOf(CC_RUNTIME_CLASS(NodeRenderablePaper))) { CombinedSiblingPasteboardRectangle = CombinedSiblingPasteboardRectangle.Union( ( ((NodeRenderablePaper*)CurrentNode)->GetPasteboardRect(FALSE)) ); } CurrentNode = CurrentNode->FindNext(); } // The parent of a paper object should always be a paper object ENSURE(Parent->IsKindOf(CC_RUNTIME_CLASS(NodeRenderablePaper)), "The parent of a paper object was not a paper object"); // Call the routine recursively to set the parents pasteboard rectangle ((NodeRenderablePaper*)Parent)->ChangePasteboardRect( CombinedSiblingPasteboardRectangle); } else { // The root of the tree should be a NodeDocument ENSURE(this->IsKindOf(CC_RUNTIME_CLASS(NodeDocument)), "When trying to set the document extents no\nNodeDocument node was found at the root of the tree"); // Set the document extents ((NodeDocument*)this)->SetExtents(); } } } /*********************************************************************************************** > virtual void NodeRenderablePaper::SetInitialPasteboardRect(const DocRect& PasteRect) Author: Simon_Maneggio (Xara Group Ltd) Created: 25/4/93 Inputs: PasteRect: Rectangle representing the outer limits of the pasteboard Outputs: - Returns: - Purpose: To set the initial pasteboard rectangle of this node, and then change the pasteboard rectangles of all its parents. The method also changes the document extents in the NodeDocument node at the root of the tree. Errors: An assertion failure will occur if the parent of a paper object is not a paper object or the root of the tree is not a NodeDocument. Scope: protected SeeAlso: NodeRenderablePaper::ChangePasteboardRectangle ***********************************************************************************************/ void NodeRenderablePaper::SetInitialPasteboardRect(const DocRect& PasteRect) { // Check if the pasteboard rectangle should be changed if (PasteboardRect != PasteRect) { PasteboardRect = PasteRect; // Set the pasteboard rectangle // If the node has a parent then we will need to change its // Pasteboard rectangle if (Parent != NULL) { // The parent of a paper object should always be a paper object ENSURE(Parent->IsKindOf(CC_RUNTIME_CLASS(NodeRenderablePaper)), "The parent of a paper object was not a paper object!"); // Union the parents pasteboard rectangle with this nodes pasteboard // rectangle to obtain the parents new pasteboard rectangle. DocRect NewParentPasteboardRectangle = ((NodeRenderablePaper*)Parent)->GetPasteboardRect(FALSE); NewParentPasteboardRectangle = NewParentPasteboardRectangle.Union(PasteRect); // Call the routine recursively to set the parent's pasteboard rectangle ((NodeRenderablePaper*)Parent)->SetInitialPasteboardRect (NewParentPasteboardRectangle); } else { // The root of the tree should be a NodeDocument ENSURE(this->IsKindOf(CC_RUNTIME_CLASS(NodeDocument)), "The root of the document tree was not a NodeDocument node"); // Set the document extents ((NodeDocument*)this)->SetExtents(); } } } /********************************************************************************************* > virtual DocRect NodeRenderablePaper::GetPasteboardRect(BOOL Pixelise = TRUE, View *pView = NULL) const Author: Simon_Maneggio (Xara Group Ltd) Created: 13/5/93 Inputs: Pixelise - whether or not to pixelise the pasteboard rectangle before returning it. pView - the view to pixelise to (not used if Pixelise is FALSE). Outputs: The objects pasteboard rectangle Returns: - Purpose: For obtaining the objects pasteboard rectangle Errors: **********************************************************************************************/ DocRect NodeRenderablePaper::GetPasteboardRect(BOOL Pixelise, View *pView) const { DocRect temp = PasteboardRect; if (Pixelise) { // "Pixelise" the position of the spread. // Effectively, this ensures that the spread will be aligned to a whole pixel boundary // and allows both GDraw and GDI to consistently plot the same pixels when rendering // the same primitive if (pView != NULL) { temp.lo.Pixelise(pView); temp.hi.Pixelise(pView); } else { temp.lo.Pixelise(); temp.hi.Pixelise(); } } return (temp); // return (PasteboardRect); } /******************************************************************************************** > void* NodeRenderablePaper::GetDebugDetails(StringBase* Str) Author: Simon_Maneggio (Xara Group Ltd) Created: 21/9/93 Inputs: - Outputs: Str: String giving debug info about the node Returns: - Purpose: For obtaining debug information about the Node Errors: - SeeAlso: - ********************************************************************************************/ void NodeRenderablePaper::GetDebugDetails(StringBase* Str) { #ifdef _DEBUG NodeRenderableBounded::GetDebugDetails(Str); String_256 TempStr; if (!PasteboardRect.IsValid()) { TempStr = TEXT("\r\nPasteboard Rectangle = *INVALID*\r\n"); } else TempStr._MakeMsg(TEXT("\r\nPasteboard Rectangle\r\n Low(#1%ld, #2%ld)\r\n High(#3%ld, #4%ld)\r\n"), PasteboardRect.LowCorner().x, PasteboardRect.LowCorner().y, PasteboardRect.HighCorner().x, PasteboardRect.HighCorner().y); (*Str)+=TempStr; #endif }