1/*
2 * SGI FREE SOFTWARE LICENSE B (Version 2.0, Sept. 18, 2008)
3 * Copyright (C) 1991-2000 Silicon Graphics, Inc. All Rights Reserved.
4 *
5 * Permission is hereby granted, free of charge, to any person obtaining a
6 * copy of this software and associated documentation files (the "Software"),
7 * to deal in the Software without restriction, including without limitation
8 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
9 * and/or sell copies of the Software, and to permit persons to whom the
10 * Software is furnished to do so, subject to the following conditions:
11 *
12 * The above copyright notice including the dates of first publication and
13 * either this permission notice or a reference to
14 * http://oss.sgi.com/projects/FreeB/
15 * shall be included in all copies or substantial portions of the Software.
16 *
17 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
18 * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
19 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
20 * SILICON GRAPHICS, INC. BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
21 * WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF
22 * OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
23 * SOFTWARE.
24 *
25 * Except as contained in this notice, the name of Silicon Graphics, Inc.
26 * shall not be used in advertising or otherwise to promote the sale, use or
27 * other dealings in this Software without prior written authorization from
28 * Silicon Graphics, Inc.
29 */
30
31/*
32 * coveandtiler.h
33 *
34 */
35
36#ifndef __glucoveandtiler_h
37#define __glucoveandtiler_h
38
39#include "trimregion.h"
40#include "trimvertex.h"
41#include "gridvertex.h"
42
43class Backend;
44class GridTrimVertex;
45
46class CoveAndTiler : virtual public TrimRegion {
47public:
48    			CoveAndTiler( Backend& );
49    			~CoveAndTiler( void );
50    void 		coveAndTile( void );
51private:
52    Backend&		backend;
53    static const int 	MAXSTRIPSIZE;
54    void		tile( long, long, long );
55    void		coveLowerLeft( void );
56    void		coveLowerRight( void );
57    void		coveUpperLeft( void );
58    void		coveUpperRight( void );
59    void		coveUpperLeftNoGrid( TrimVertex * );
60    void		coveUpperRightNoGrid( TrimVertex * );
61    void		coveLowerLeftNoGrid( TrimVertex * );
62    void		coveLowerRightNoGrid( TrimVertex * );
63    void		coveLL( void );
64    void		coveLR( void );
65    void		coveUL( void );
66    void		coveUR( void );
67    inline void		output( GridTrimVertex& );
68    inline void		output( GridVertex& );
69    inline void		output( TrimVertex* );
70};
71
72#endif /* __glucoveandtiler_h */
73