IABSD.fr/xenocara/lib/libGLU/src/libnurbs/internals/renderhints.cc

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• Author : jsg
  Date : 2013-09-01 03:51:12
  Hash : 729f7da4
  Message : Update to GLU 9.0.0, GLU was previously part of Mesa but is now seperate. tested in a ports bulk build by landry@, ok matthieu@

• lib/libGLU/src/libnurbs/internals/renderhints.cc

• /*
  ** License Applicability. Except to the extent portions of this file are
  ** made subject to an alternative license as permitted in the SGI Free
  ** Software License B, Version 1.1 (the "License"), the contents of this
  ** file are subject only to the provisions of the License. You may not use
  ** this file except in compliance with the License. You may obtain a copy
  ** of the License at Silicon Graphics, Inc., attn: Legal Services, 1600
  ** Amphitheatre Parkway, Mountain View, CA 94043-1351, or at:
  **
  ** http://oss.sgi.com/projects/FreeB
  **
  ** Note that, as provided in the License, the Software is distributed on an
  ** "AS IS" basis, with ALL EXPRESS AND IMPLIED WARRANTIES AND CONDITIONS
  ** DISCLAIMED, INCLUDING, WITHOUT LIMITATION, ANY IMPLIED WARRANTIES AND
  ** CONDITIONS OF MERCHANTABILITY, SATISFACTORY QUALITY, FITNESS FOR A
  ** PARTICULAR PURPOSE, AND NON-INFRINGEMENT.
  **
  ** Original Code. The Original Code is: OpenGL Sample Implementation,
  ** Version 1.2.1, released January 26, 2000, developed by Silicon Graphics,
  ** Inc. The Original Code is Copyright (c) 1991-2000 Silicon Graphics, Inc.
  ** Copyright in any portions created by third parties is as indicated
  ** elsewhere herein. All Rights Reserved.
  **
  ** Additional Notice Provisions: The application programming interfaces
  ** established by SGI in conjunction with the Original Code are The
  ** OpenGL(R) Graphics System: A Specification (Version 1.2.1), released
  ** April 1, 1999; The OpenGL(R) Graphics System Utility Library (Version
  ** 1.3), released November 4, 1998; and OpenGL(R) Graphics with the X
  ** Window System(R) (Version 1.3), released October 19, 1998. This software
  ** was created using the OpenGL(R) version 1.2.1 Sample Implementation
  ** published by SGI, but has not been independently verified as being
  ** compliant with the OpenGL(R) version 1.2.1 Specification.
  */
  
  /*
   * renderhints.c++
   *
   */
  
  #include "glimports.h"
  #include "mystdio.h"
  #include "renderhints.h"
  #include "nurbsconsts.h"
  
  
  /*--------------------------------------------------------------------------
   * Renderhints::Renderhints - set all window specific options
   *--------------------------------------------------------------------------
   */
  Renderhints::Renderhints()
  {
      display_method 	= N_FILL;
      errorchecking 	= N_MSG;
      subdivisions 	= 6.0;
      tmp1 		= 0.0;
      displaydomain 	= 0;
      maxsubdivisions 	= (int) subdivisions;
      wiretris	 	= 0;
      wirequads	 	= 0;
  }
  
  void
  Renderhints::init( void )
  {
      maxsubdivisions = (int) subdivisions;
      if( maxsubdivisions < 0 ) maxsubdivisions = 0;
  
  
      if( display_method == N_FILL ) {
  	wiretris = 0;
  	wirequads = 0;
      } else if( display_method == N_OUTLINE_TRI ) {
  	wiretris = 1;
  	wirequads = 0;
      } else if( display_method == N_OUTLINE_QUAD ) {
  	wiretris = 0;
  	wirequads = 1;
      } else {
  	wiretris = 1;
  	wirequads = 1;
      }
  }
  
  int
  Renderhints::isProperty( long property )
  {
      switch ( property ) {
  	case N_DISPLAY:
  	case N_ERRORCHECKING:
  	case N_SUBDIVISIONS:
          case N_TMP1:
  	    return 1;
  	default:
  	    return 0;
      }
  }
  
  REAL 
  Renderhints::getProperty( long property )
  {
      switch ( property ) {
  	case N_DISPLAY:
  	    return display_method;
  	case N_ERRORCHECKING:
  	    return errorchecking;
  	case N_SUBDIVISIONS:
  	    return subdivisions;
          case N_TMP1:
  	    return tmp1;
  	default:
  	    abort();
  	    return -1;  //not necessary, needed to shut up compiler
      }
  }
  
  void 
  Renderhints::setProperty( long property, REAL value )
  {
      switch ( property ) {
  	case N_DISPLAY:
  	    display_method = value;
  	    break;
  	case N_ERRORCHECKING:
  	    errorchecking = value;
  	    break;
  	case N_SUBDIVISIONS:
  	    subdivisions = value;
  	    break;
  	case N_TMP1: /* unused */
  	    tmp1 = value;
  	    break;
  	default:
  	    abort();
  	    break;
      }
  }