src/glu/sgi/libnurbs/internals/dataTransform.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
  33 #ifndef _DATA_TRANSFORM_H
  34 #define _DATA_TRANSFORM_H
  35
  36 #include "reader.h"
  37 #include "directedLine.h"
  38 #include "bin.h"
  39 directedLine* bin_to_DLineLoops(Bin& bin);
  40
  41 /*transform the pwlcurve into a number of directedline lines
  42  *insert these directedlines into orignal which is supposed to be
  43  *the part of the trimming loop obtained so far.
  44  *return the updated trimkming loop.
  45  */
  46 directedLine* o_pwlcurve_to_DLines(directedLine* original, O_pwlcurve* pwl);
  47
  48 /*transform a trim loop (curve) into a directedLine loop
  49  */
  50 directedLine* o_curve_to_DLineLoop(O_curve* curve);
  51
  52 /*transform a list of trim loops (trim) into
  53  *a list of polygons represented as directedLine*.
  54  */
  55 directedLine* o_trim_to_DLineLoops(O_trim* trim);
  56
  57
  58 #endif
  59