/usr/include/Unidraw/Graphic/damage.h is in ivtools-dev 1.2.11a1-11.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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* Copyright (c) 1990, 1991 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.
*/
/*
* Damage - maintains an array of non-overlapping rectangles representing
* damaged areas of of a canvas, used for smart redraw.
*/
#ifndef unidraw_graphic_damage_h
#define unidraw_graphic_damage_h
#include <IV-2_6/InterViews/defs.h>
#include <Unidraw/enter-scope.h>
#include <IV-2_6/_enter.h>
class BoxObj;
class Canvas;
class Graphic;
class Iterator;
class Painter;
class UList;
//: damage-repair mechanism
// maintains an array of non-overlapping rectangles representing
// damaged areas of of a canvas, used for smart redraw.
// <p><a href=../man3.1/Damage.html>man page</a>
class Damage {
public:
Damage(Canvas* = nil, Painter* = nil, Graphic* = nil);
virtual ~Damage();
virtual boolean Incurred();
virtual void Added(Graphic*);
virtual void Incur(Graphic*);
virtual void Incur(BoxObj&);
virtual void Incur(Coord, Coord, Coord, Coord);
virtual void Repair();
virtual void Reset();
void SetCanvas(Canvas*);
void SetPainter(Painter*);
void SetGraphic(Graphic*);
Canvas* GetCanvas();
Painter* GetPainter();
Graphic* GetGraphic();
protected:
int Area(BoxObj&);
virtual void DrawAreas();
virtual void DrawAdditions();
virtual void Merge(BoxObj&);
BoxObj* GetArea(Iterator);
Graphic* GetAddition(Iterator);
void FirstArea(Iterator&);
void FirstAddition(Iterator&);
void Next(Iterator&);
boolean Done(Iterator);
UList* Elem(Iterator);
void DeleteArea(BoxObj*);
void DeleteAreas();
protected:
UList* _additions;
UList* _areas;
protected:
Canvas* _canvas;
Painter* _output;
Graphic* _graphic;
};
#include <IV-2_6/_leave.h>
#endif
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