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LISTICOL.H
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1980-01-05
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/*
* Copyright (c) 1987, 1988, 1989 Stanford University
*
* Permission to use, copy, modify, distribute, and sell this software and its
* documentation for any purpose is hereby granted without fee, provided
* that the above copyright notice appear in all copies and that both that
* copyright notice and this permission notice appear in supporting
* documentation, and that the name of Stanford not be used in advertising or
* publicity pertaining to distribution of the software without specific,
* written prior permission. Stanford makes no representations about
* the suitability of this software for any purpose. It is provided "as is"
* without express or implied warranty.
*
* STANFORD DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE,
* INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS.
* IN NO EVENT SHALL STANFORD BE LIABLE FOR ANY SPECIAL, INDIRECT OR
* CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE,
* DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR
* OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION
* WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
*/
// $Header: listicolor.h,v 1.9 89/10/09 14:48:48 linton Exp $
// declares classes IColorNode and IColorList.
#ifndef listicolor_h
#define listicolor_h
#include "list.h"
// Declare imported types.
class IColor;
// An IColorNode contains an IColor pointer.
class IColorNode : public BaseNode {
public:
IColorNode (IColor* c) { color = c; }
boolean SameValueAs (void* p) { return color == p; }
IColor* GetColor () { return color; }
protected:
IColor* color; // points to an IColor
};
// An IColorList manages a list of IColorNodes.
class IColorList : public BaseList {
public:
IColorNode* First();
IColorNode* Last();
IColorNode* Prev();
IColorNode* Next();
IColorNode* GetCur();
IColorNode* Index(int);
};
// Cast these functions to return IColorNodes instead of BaseNodes.
inline IColorNode* IColorList::First () {
return (IColorNode*) BaseList::First();
}
inline IColorNode* IColorList::Last () {
return (IColorNode*) BaseList::Last();
}
inline IColorNode* IColorList::Prev () {
return (IColorNode*) BaseList::Prev();
}
inline IColorNode* IColorList::Next () {
return (IColorNode*) BaseList::Next();
}
inline IColorNode* IColorList::GetCur () {
return (IColorNode*) BaseList::GetCur();
}
inline IColorNode* IColorList::Index (int index) {
return (IColorNode*) BaseList::Index(index);
}
#endif