diff options
Diffstat (limited to 'intern/decimation/extern/LOD_decimation.h')
-rw-r--r-- | intern/decimation/extern/LOD_decimation.h | 119 |
1 files changed, 119 insertions, 0 deletions
diff --git a/intern/decimation/extern/LOD_decimation.h b/intern/decimation/extern/LOD_decimation.h new file mode 100644 index 00000000000..7a74dde165a --- /dev/null +++ b/intern/decimation/extern/LOD_decimation.h @@ -0,0 +1,119 @@ +/** + * $Id$ + * ***** BEGIN GPL/BL DUAL 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. The Blender + * Foundation also sells licenses for use in proprietary software under + * the Blender License. See http://www.blender.org/BL/ for information + * about this. + * + * 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., 59 Temple Place - Suite 330, Boston, MA 02111-1307, 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/BL DUAL LICENSE BLOCK ***** + */ + +/** + + * @author Laurence Bourn + * @date 6/7/2001 + * + * This is the external interface for the decimation module. + */ + +#ifndef NAN_INCLUDED_LOD_decimation_h +#define NAN_INCLUDED_LOD_decimation_h + + +#ifdef __cplusplus +extern "C" { +#endif + +/** + * External decimation structure + */ + +typedef struct LOD_Decimation_Info { + float * vertex_buffer; + float * vertex_normal_buffer; + int * triangle_index_buffer; + int vertex_num; + int face_num; + void * intern; +} LOD_Decimation_Info; + +typedef LOD_Decimation_Info* LOD_Decimation_InfoPtr; + +/** + * Create internal mesh representation from + * LOD_Decimation_Info structure. + * @return 1 on successful loading + * @return 0 on failure + * @warning This should be changed to return an enumeration + * detailing the error encountered + */ + +extern int LOD_LoadMesh(LOD_Decimation_InfoPtr info); + +/** + * Allocate and Compute internal data strucures required for + * decimation. + * @return 1 on successful computation of data + * @return 0 on failure + * @warning This should be changed to return an enumeration + * detailing the error encountered + */ + +extern int LOD_PreprocessMesh(LOD_Decimation_InfoPtr info); + +/** + * Once both the stages above have been completed + * this function collapses a single edge in the mesh. + * The LOD_Decimation_Info structure is updated + * to represent the new mesh. + * @return 1 if an edge was collapsed. + * @return 0 if no suitable edge was found to be collapsable + * You should stop calling this method in this case + * @warning Do not expect that the order of polygons, vertices or + * vertex normals will be preserved by this operation. This function + * returns a packed array of polygons and vertices and so necessarily + * the order will be different. This means you should not expect to + * find the same polygon in the same place in the polygon array after + * this function has been called. + */ + +extern int LOD_CollapseEdge(LOD_Decimation_InfoPtr info); + +/** + * Free any memory the decimation process used + * during the decimation process + * @return 1 if internal data successfully freed + * @return 0 if no data was freed + */ + +extern int LOD_FreeDecimationData(LOD_Decimation_InfoPtr); + +#ifdef __cplusplus +} +#endif + +#endif // NAN_INCLUDED_LOD_decimation_h + + + |