reactos/dll/opengl/mesa/src/glu/sgi/libnurbs/internals/gridtrimvertex.h

   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  * gridtrimvertex.h
  33  *
  34  */
  35
  36 #ifndef __glugridtrimvertex_h_
  37 #define __glugridtrimvertex_h_
  38
  39 #include "mystdlib.h"
  40 #include "bufpool.h"
  41 #include "trimvertex.h"
  42 #include "gridvertex.h"
  43
  44 class GridTrimVertex : public PooledObj
  45 {
  46 private:
  47     TrimVertex  dummyt;
  48     GridVertex  dummyg;
  49 public:
  50                         GridTrimVertex() { g = 0; t = 0; }
  51     TrimVertex  *t;
  52     GridVertex  *g;
  53
  54     inline void         set( long, long );
  55     inline void         set( REAL, REAL );
  56     inline void         set( TrimVertex * );
  57     inline void         clear( void ) { t = 0; g = 0; };
  58     inline int          isGridVert() { return g ? 1 : 0 ; }
  59     inline int          isTrimVert() { return t ? 1 : 0 ; }
  60     inline void         output();
  61 };
  62
  63 inline void
  64 GridTrimVertex::set( long x, long y )
  65 {
  66     g = &dummyg;
  67     dummyg.gparam[0] = x;
  68     dummyg.gparam[1] = y;
  69 }
  70
  71 inline void
  72 GridTrimVertex::set( REAL x, REAL y )
  73 {
  74     g = 0;
  75     t = &dummyt;
  76     dummyt.param[0] = x;
  77     dummyt.param[1] = y;
  78     dummyt.nuid = 0;
  79 }
  80
  81 inline void
  82 GridTrimVertex::set( TrimVertex *v )
  83 {
  84     g = 0;
  85     t = v;
  86 }
  87
  88 typedef GridTrimVertex *GridTrimVertex_p;
  89 #endif /* __glugridtrimvertex_h_ */