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Tina5/tina-tools/tinatool/draw/drawPaint_kws.c

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  1 /**********
  2  *
  3  * Copyright (c) 2003, Division of Imaging Science and Biomedical Engineering,
  4  * University of Manchester, UK.  All rights reserved.
  5  * 
  6  * Redistribution and use in source and binary forms, with or without modification, 
  7  * are permitted provided that the following conditions are met:
  8  * 
  9  *   . Redistributions of source code must retain the above copyright notice, 
 10  *     this list of conditions and the following disclaimer.
 11  *    
 12  *   . Redistributions in binary form must reproduce the above copyright notice,
 13  *     this list of conditions and the following disclaimer in the documentation 
 14  *     and/or other materials provided with the distribution.
 15  * 
 16  *   . Neither the name of the University of Manchester nor the names of its
 17  *     contributors may be used to endorse or promote products derived from this 
 18  *     software without specific prior written permission.
 19  * 
 20  * 
 21  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" 
 22  * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 
 23  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 
 24  * ARE DISCLAIMED.  IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE 
 25  * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 
 26  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 
 27  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
 28  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 
 29  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 
 30  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 
 31  * POSSIBILITY OF SUCH DAMAGE.
 32  *
 33  **********
 34  *
 35  * Program :    TINA
 36  * File    :  $Source: /home/tina/cvs/tina-tools/tinatool/draw/drawPaint_kws.c,v $
 37  * Date    :  $Date: 2003/10/01 16:02:47 $
 38  * Version :  $Revision: 1.2 $
 39  * CVS Id  :  $Id: drawPaint_kws.c,v 1.2 2003/10/01 16:02:47 tony Exp $
 40  *
 41  * Author  : Legacy TINA
 42  *
 43  * Notes :
 44  *
 45  *********
 46 */
 47 
 48 #include "drawPaint_kws.h"
 49 
 50 #if HAVE_CONFIG_H
 51   #include <config.h>
 52 #endif
 53 
 54 #include <stdio.h>
 55 #include <tina/sys/sysDef.h>
 56 #include <tina/sys/sysPro.h>
 57 #include <tina/math/mathDef.h>
 58 #include <tina/math/mathPro.h>
 59 #include <tina/geometry/geomDef.h>
 60 #include <tina/geometry/geomPro.h>
 61 #include <tinatool/draw/draw_TvDef.h>
 62 #include <tinatool/draw/draw_TvPro.h>
 63 #include <tinatool/draw/draw_PaintDef.h>
 64 #include <tinatool/draw/draw_PaintPro.h>
 65 
 66 void    kwsnake_draw(Tv * tv, Kwsnake * kwsnake)
 67 {
 68     double *x, *y;
 69     int     i, n;
 70 
 71     if (kwsnake == NULL)
 72         return;
 73 
 74     x = kwsnake->x;
 75     y = kwsnake->y;
 76     n = kwsnake->n;
 77     for (i = 0; i < n - 1; i++)
 78     {
 79         tv_dot2(tv, vec2(x[i], y[i]));
 80         tv_line2(tv, vec2(x[i], y[i]), vec2(x[i + 1], y[i + 1]));
 81     }
 82     if (kwsnake->type == LOOP)
 83     {
 84         tv_dot2(tv, vec2(x[n - 1], y[n - 1]));
 85         tv_line2(tv, vec2(x[n - 1], y[n - 1]), vec2(x[0], y[0]));
 86     } else
 87         tv_dot2(tv, vec2(x[n - 1], y[n - 1]));
 88 }
 89 
 90 void    tv_kwsnake(Tv * tv, Kwsnake * kwsnake)
 91 {
 92     kwsnake_draw(tv, kwsnake);
 93 }
 94 
 95 void    kwsnake_draw3(Tv * tv, Kwsnake * kwsnake, double z)
 96 {
 97     double *x, *y;
 98     int     i, n;
 99 
100     if (kwsnake == NULL)
101         return;
102 
103     x = kwsnake->x;
104     y = kwsnake->y;
105     n = kwsnake->n;
106     for (i = 0; i < n - 1; i++)
107         tv_line3(tv, vec3(x[i], y[i], z), vec3(x[i + 1], y[i + 1], z));
108     if (kwsnake->type == LOOP)
109         tv_line3(tv, vec3(x[n - 1], y[n - 1], z), vec3(x[0], y[0], z));
110 }
111 

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