// $Id: userattr.h 751 2006-03-31 15:43:49Z 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. 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Xara Group Ltd, Gaddesden Place, Hemel Hempstead, HP2 6EX, UK. http://www.xara.com/ =================================XARAHEADEREND============================ */ #ifndef INC_USERATTR #define INC_USERATTR class BlendAttrParam; class BaseCamelotFilter; class Style; /******************************************************************************************** > class UserAttribute : public AttributeValue Author: Tim_Browse (Xara Group Ltd) (Actually, it was more likely to be Graham, cos Tim quit a few months before) Created: 15/06/94 (More like mid '96 if you ask me) Purpose: Represent a line width of a path. This may be a simple stroking operator such as a constant line width, or a complex one such as variable line widths or an airbrush stroke operator. (I'd say it stores a "key" string and an associated "value" string for implementation of URLs and other such stuff, but if you say it stores a line width, who am I to argue? ;-) ********************************************************************************************/ class UserAttribute : public AttributeValue { CC_DECLARE_DYNCREATE(UserAttribute) public: static BOOL Init(); UserAttribute(); UserAttribute& operator=(const UserAttribute& other); virtual void Restore(RenderRegion *, BOOL); virtual void Render(RenderRegion *, BOOL Temp = FALSE); virtual NodeAttribute *MakeNode(); BOOL IsDifferent(AttributeValue *pAttr); virtual void SimpleCopy(AttributeValue *); // This blend the attribute value with the one provided by pBlendParam virtual BOOL Blend(BlendAttrParam* pBlendParam); // Extra virtual function for stroke type attributes. virtual BOOL RenderStroke(RenderRegion *, Path *) { return FALSE; } StringBase Key; StringBase LongKey; StringBase Value; const Style* m_pStyle; // used by StyleReferenceAttribute }; /*********************************************************************************************** > class AttrUser : public NodeAttribute Author: Will_Cowling (Xara Group Ltd) Created: 21/6/93 Purpose: User Attribute Node ***********************************************************************************************/ class AttrUser : public NodeAttribute { CC_DECLARE_DYNCREATE(AttrUser) public: AttrUser(); AttrUser(Node* ContextNode, AttachNodeDirection Direction, BOOL Locked=FALSE, BOOL Mangled=FALSE, BOOL Marked=FALSE, BOOL Selected=FALSE); AttrUser(const StringBase& NewKey, const StringBase& NewSubKey, const StringBase& NewValue); AttrUser(const StringBase& NewLongKey, const StringBase& NewValue); virtual void Render( RenderRegion* pRender ); virtual Node* SimpleCopy(); // Copies a node virtual INT32 operator==(const NodeAttribute& NodeAttrib); virtual UINT32 GetAttrNameID(void); virtual BOOL IsUserAttribute() const { return TRUE; } void ShowDebugTreeDetails() const; // Debugging function void GetDebugDetails(StringBase* Str); virtual UINT32 GetNodeSize() const; // Returns size of node in bytes virtual void Transform( TransformBase& ); // Yes, user attributes can be applied more than once to the same object virtual BOOL CanBeMultiplyApplied() { return TRUE; } virtual BOOL ShouldBeOptimized(); virtual BOOL EffectsParentBounds() { return TRUE; } virtual BOOL Blend(BlendAttrParam* pBlendParam); virtual AttributeValue* GetAttributeValue() { return &Value; } virtual CCRuntimeClass* GetAttributeType() { return CC_RUNTIME_CLASS(AttrUser); } virtual AttributeIdentifier GetAttributeClassID() const; virtual AttrIndex GetAttributeIndex () { return ATTR_USERATTRIBUTE; } virtual VisibleAttribute* CreateVisibleAttribute() const; // Version 2 file format functions virtual BOOL WritePreChildrenWeb(BaseCamelotFilter* pFilter); virtual BOOL WritePreChildrenNative(BaseCamelotFilter* pFilter); BOOL ShouldBecomeCurrent(); StringBase& GetWebAddress(); virtual void PolyCopyNodeContents(NodeRenderable* pNodeCopy); protected: void CopyNodeContents( AttrUser* NodeCopy ); static const TCHAR s_KeyDelimiter; public: UserAttribute Value; }; #endif // INC_USERATTR