CSG_BooleanOps.h

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/*
 * ***** BEGIN GPL LICENSE BLOCK *****
 *
 * This program is free software; you can redistribute it and/or
 * modify it under the terms of the GNU General Public License
 * as published by the Free Software Foundation; either version 2
 * of the License, or (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, write to the Free Software Foundation,
 * Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
 *
 * The Original Code is Copyright (C) 2001-2002 by NaN Holding BV.
 * All rights reserved.
 *
 * The Original Code is: all of this file.
 *
 * Contributor(s): none yet.
 *
 * ***** END GPL LICENSE BLOCK *****
 */

#ifndef CSG_BOOLEANOPS_H
#define CSG_BOOLEANOPS_H


#ifdef __cplusplus
extern "C" {
#endif

typedef struct  {
  int vertex_index[4];
  int vertex_number;
  int orig_face;
} CSG_IFace;

typedef struct  {
  float position[3];
} CSG_IVertex;

typedef void* CSG_IteratorPtr;

typedef int (*CSG_FaceItDoneFunc)(CSG_IteratorPtr it);
typedef void (*CSG_FaceItFillFunc)(CSG_IteratorPtr it,CSG_IFace *face);
typedef void (*CSG_FaceItStepFunc)(CSG_IteratorPtr it);
typedef void (*CSG_FaceItResetFunc)(CSG_IteratorPtr it);

typedef struct CSG_FaceIteratorDescriptor {
    CSG_IteratorPtr it;
    CSG_FaceItDoneFunc Done;
    CSG_FaceItFillFunc Fill;
    CSG_FaceItStepFunc Step;
    CSG_FaceItResetFunc Reset;
    unsigned int num_elements;
} CSG_FaceIteratorDescriptor; 

typedef int (*CSG_VertexItDoneFunc)(CSG_IteratorPtr it);
typedef void (*CSG_VertexItFillFunc)(CSG_IteratorPtr it,CSG_IVertex *face);
typedef void (*CSG_VertexItStepFunc)(CSG_IteratorPtr it);
typedef void (*CSG_VertexItResetFunc)(CSG_IteratorPtr it);

typedef struct CSG_VertexIteratorDescriptor {
    CSG_IteratorPtr it;
    CSG_VertexItDoneFunc Done;
    CSG_VertexItFillFunc Fill;
    CSG_VertexItStepFunc Step;
    CSG_VertexItResetFunc Reset;
    unsigned int num_elements;
} CSG_VertexIteratorDescriptor; 

typedef enum {
    e_csg_union,
    e_csg_intersection,
    e_csg_difference,
    e_csg_classify
} CSG_OperationType;

typedef struct {
    void *CSG_info;
} CSG_BooleanOperation;

    CSG_BooleanOperation * 
CSG_NewBooleanFunction(
    void
);

    int
CSG_PerformBooleanOperation(
    CSG_BooleanOperation * operation,
    CSG_OperationType op_type,
    CSG_FaceIteratorDescriptor obAFaces,
    CSG_VertexIteratorDescriptor obAVertices,
    CSG_FaceIteratorDescriptor obBFaces,
    CSG_VertexIteratorDescriptor obBVertices
);

    int
CSG_OutputFaceDescriptor(
    CSG_BooleanOperation * operation,
    CSG_FaceIteratorDescriptor * output
);

    int
CSG_OutputVertexDescriptor(
    CSG_BooleanOperation * operation,
    CSG_VertexIteratorDescriptor *output
);

    void
CSG_FreeVertexDescriptor(
    CSG_VertexIteratorDescriptor * v_descriptor
);

    void
CSG_FreeFaceDescriptor(
    CSG_FaceIteratorDescriptor * f_descriptor
);

    void
CSG_FreeBooleanOperation(
    CSG_BooleanOperation *operation
);

#ifdef __cplusplus
}
#endif



#endif