reactos/dll/win32/glu32/libnurbs/interface/bezierPatchMesh.h

   1 /*
   2 ** License Applicability. Except to the extent portions of this file are
   3 ** made subject to an alternative license as permitted in the SGI Free
   4 ** Software License B, Version 1.1 (the "License"), the contents of this
   5 ** file are subject only to the provisions of the License. You may not use
   6 ** this file except in compliance with the License. You may obtain a copy
   7 ** of the License at Silicon Graphics, Inc., attn: Legal Services, 1600
   8 ** Amphitheatre Parkway, Mountain View, CA 94043-1351, or at:
   9 **
  10 ** http://oss.sgi.com/projects/FreeB
  11 **
  12 ** Note that, as provided in the License, the Software is distributed on an
  13 ** "AS IS" basis, with ALL EXPRESS AND IMPLIED WARRANTIES AND CONDITIONS
  14 ** DISCLAIMED, INCLUDING, WITHOUT LIMITATION, ANY IMPLIED WARRANTIES AND
  15 ** CONDITIONS OF MERCHANTABILITY, SATISFACTORY QUALITY, FITNESS FOR A
  16 ** PARTICULAR PURPOSE, AND NON-INFRINGEMENT.
  17 **
  18 ** Original Code. The Original Code is: OpenGL Sample Implementation,
  19 ** Version 1.2.1, released January 26, 2000, developed by Silicon Graphics,
  20 ** Inc. The Original Code is Copyright (c) 1991-2000 Silicon Graphics, Inc.
  21 ** Copyright in any portions created by third parties is as indicated
  22 ** elsewhere herein. All Rights Reserved.
  23 **
  24 ** Additional Notice Provisions: The application programming interfaces
  25 ** established by SGI in conjunction with the Original Code are The
  26 ** OpenGL(R) Graphics System: A Specification (Version 1.2.1), released
  27 ** April 1, 1999; The OpenGL(R) Graphics System Utility Library (Version
  28 ** 1.3), released November 4, 1998; and OpenGL(R) Graphics with the X
  29 ** Window System(R) (Version 1.3), released October 19, 1998. This software
  30 ** was created using the OpenGL(R) version 1.2.1 Sample Implementation
  31 ** published by SGI, but has not been independently verified as being
  32 ** compliant with the OpenGL(R) version 1.2.1 Specification.
  33 **
  34 ** $Date$ $Revision: 1.1 $
  35 */
  36 /*
  37 ** $Header: /cygdrive/c/RCVS/CVS/ReactOS/reactos/lib/glu32/libnurbs/interface/bezierPatchMesh.h,v 1.1 2004/02/02 16:39:08 navaraf Exp $
  38 */
  39
  40 #ifndef _BEZIERPATCHMESH_H
  41 #define _BEZIERPATCHMESH_H
  42
  43 #include "bezierPatch.h"
  44
  45 typedef struct bezierPatchMesh{
  46   bezierPatch *bpatch; /*vertex*/
  47   bezierPatch *bpatch_normal;
  48   bezierPatch *bpatch_texcoord; /*s,t,r,q*/
  49   bezierPatch *bpatch_color; /*RGBA*/
  50
  51   float *UVarray; /*all UV components of all vertices of all strips*/
  52   int   *length_array; /*[i] is the number of vertices in the ith strip*/
  53   GLenum *type_array;  /*[i] is the type of the ith primitive*/
  54
  55   /*to support dynamic insertion*/
  56   int size_UVarray;
  57   int index_UVarray;
  58   int size_length_array;
  59   int index_length_array;
  60
  61   int counter; /*track the current strip size*/
  62   GLenum type; /*track the current type: 0: GL_TRIANGLES, 1: GL_TRIANGLE_STRIP*/
  63
  64   /*we eventually want to evaluate from (u,v) to (x,y,z) and draw them*/
  65   float *vertex_array; /*each vertex contains three components*/
  66   float *normal_array; /*each normal contains three components*/
  67   float *color_array;
  68   float *texcoord_array;
  69
  70   /*in case we need a linked list*/
  71   struct bezierPatchMesh *next;
  72 } bezierPatchMesh;
  73
  74 #ifdef __cplusplus
  75 extern "C" {
  76 #endif
  77
  78
  79
  80 bezierPatchMesh *bezierPatchMeshMake(int maptype, float umin, float umax, int ustride, int uorder, float vmin, float vmax, int vstride, int vorder, float *ctlpoints,  int size_UVarray, int size_length_array);
  81
  82 /*initilize patches to be null*/
  83 bezierPatchMesh *bezierPatchMeshMake2(int size_UVarray, int size_length_array);
  84
  85 void bezierPatchMeshPutPatch(bezierPatchMesh *bpm, int maptype, float umin, float umax, int ustride, int uorder, float vmin, float vmax, int vstride, int vorder, float *ctlpoints);
  86
  87 void bezierPatchMeshDelete(bezierPatchMesh *bpm);
  88
  89 void bezierPatchMeshBeginStrip(bezierPatchMesh *bpm, GLenum type);
  90
  91 void bezierPatchMeshEndStrip(bezierPatchMesh *bpm);
  92
  93 void bezierPatchMeshInsertUV(bezierPatchMesh *bpm, float u, float v);
  94
  95 void bezierPatchMeshPrint(bezierPatchMesh *bpm);
  96
  97 bezierPatchMesh* bezierPatchMeshListInsert(bezierPatchMesh* list, bezierPatchMesh* bpm);
  98
  99 void bezierPatchMeshListPrint(bezierPatchMesh* list);
 100
 101 int bezierPatchMeshListTotalStrips(bezierPatchMesh* list);
 102
 103 int bezierPatchMeshListTotalVert(bezierPatchMesh* list);
 104 int bezierPatchMeshNumTriangles(bezierPatchMesh* bpm);
 105 int bezierPatchMeshListNumTriangles(bezierPatchMesh* list);
 106
 107 void bezierPatchMeshDelDeg(bezierPatchMesh* bpm);
 108
 109
 110 void bezierPatchMeshEval(bezierPatchMesh* bpm);
 111
 112 void bezierPatchMeshDraw(bezierPatchMesh* bpm);
 113
 114 void bezierPatchMeshListDraw(bezierPatchMesh* list);
 115 void bezierPatchMeshListEval(bezierPatchMesh* list);
 116 void bezierPatchMeshListCollect(bezierPatchMesh* list, float **vertex_array, float **normal_array, int **length_array, GLenum **type_array, int *num_strips);
 117
 118 void bezierPatchMeshListDelDeg(bezierPatchMesh* list);
 119 void bezierPatchMeshListDelete(bezierPatchMesh *list);
 120 bezierPatchMesh* bezierPatchMeshListReverse(bezierPatchMesh* list);
 121 void drawStrips(float *vertex_array, float *normal_array, int *length_array, GLenum *type_array, int num_strips);
 122
 123 #ifdef __cplusplus
 124 }
 125 #endif
 126
 127 #endif