1.1 diff -r 5edfbd3e7a46 -r 1204ebf9340d PTdecode/CImg-1.3.0/examples/scene3d.cpp 1.2 --- /dev/null Thu Jan 01 00:00:00 1970 +0000 1.3 +++ b/PTdecode/CImg-1.3.0/examples/scene3d.cpp Mon Aug 03 14:09:20 2009 +0100 1.4 @@ -0,0 +1,161 @@ 1.5 +/* 1.6 + # 1.7 + # File : scene3d.cpp 1.8 + # ( C++ source file ) 1.9 + # 1.10 + # Description : A simple program that demonstrates the use of the 1.11 + # 3D functions of CImg, in conjonction with the Board library. 1.12 + # This file is a part of the CImg Library project. 1.13 + # ( http://cimg.sourceforge.net ) 1.14 + # 1.15 + # Copyright : David Tschumperle 1.16 + # ( http://www.greyc.ensicaen.fr/~dtschump/ ) 1.17 + # 1.18 + # License : CeCILL v2.0 1.19 + # ( http://www.cecill.info/licences/Licence_CeCILL_V2-en.html ) 1.20 + # 1.21 + # This software is governed by the CeCILL license under French law and 1.22 + # abiding by the rules of distribution of free software. You can use, 1.23 + # modify and/ or redistribute the software under the terms of the CeCILL 1.24 + # license as circulated by CEA, CNRS and INRIA at the following URL 1.25 + # "http://www.cecill.info". 1.26 + # 1.27 + # As a counterpart to the access to the source code and rights to copy, 1.28 + # modify and redistribute granted by the license, users are provided only 1.29 + # with a limited warranty and the software's author, the holder of the 1.30 + # economic rights, and the successive licensors have only limited 1.31 + # liability. 1.32 + # 1.33 + # In this respect, the user's attention is drawn to the risks associated 1.34 + # with loading, using, modifying and/or developing or reproducing the 1.35 + # software by the user in light of its specific status of free software, 1.36 + # that may mean that it is complicated to manipulate, and that also 1.37 + # therefore means that it is reserved for developers and experienced 1.38 + # professionals having in-depth computer knowledge. Users are therefore 1.39 + # encouraged to load and test the software's suitability as regards their 1.40 + # requirements in conditions enabling the security of their systems and/or 1.41 + # data to be ensured and, more generally, to use and operate it in the 1.42 + # same conditions as regards security. 1.43 + # 1.44 + # The fact that you are presently reading this means that you have had 1.45 + # knowledge of the CeCILL license and that you accept its terms. 1.46 + # 1.47 +*/ 1.48 + 1.49 +// Uncomment the line below to use the Board library. 1.50 +// ( You will need to link your code with the board library object ). 1.51 +// ( Get the Board Library at : http://libboard.sourceforge.net/ ) 1.52 +//#define cimg_use_board 1.53 + 1.54 +#include "CImg.h" 1.55 +using namespace cimg_library; 1.56 + 1.57 +// The lines below are necessary when using a non-standard compiler as visualcpp6. 1.58 +#ifdef cimg_use_visualcpp6 1.59 +#define std 1.60 +#endif 1.61 +#ifdef min 1.62 +#undef min 1.63 +#undef max 1.64 +#endif 1.65 + 1.66 +#ifndef cimg_imagepath 1.67 +#define cimg_imagepath "img/" 1.68 +#endif 1.69 + 1.70 +//------------------------- 1.71 +// Begin the main procedure 1.72 +//------------------------- 1.73 +int main() { 1.74 + 1.75 + // Define a simple 3D scene, composed of various basic objects (torus, cone, cube, ...) 1.76 + //------------------------------------------------------------------------------------- 1.77 + std::fprintf(stderr," - Create 3D Scene.\n"); 1.78 + CImg<float> scene_pts, scene_opacs; 1.79 + CImgList<unsigned int> scene_prims; 1.80 + CImgList<unsigned char> scene_cols; 1.81 + 1.82 + CImgList<unsigned int> 1.83 + cube_prims, 1.84 + cone_prims, 1.85 + torus_prims, 1.86 + sphere_prims, 1.87 + plane_prims; 1.88 + 1.89 + // Define objects vertices and faces. 1.90 + const CImg<float> 1.91 + cube_pts = CImg<>::cube3d(cube_prims,60).translate_object3d(-50,50,0), 1.92 + cone_pts = CImg<>::cone3d(cone_prims,30,40).translate_object3d(50,50,0), 1.93 + torus_pts = CImg<>::torus3d(torus_prims,30,10).translate_object3d(-50,-50,0), 1.94 + sphere_pts = CImg<>::sphere3d(sphere_prims,30).translate_object3d(50,-50,0), 1.95 + plane_pts = CImg<>::plane3d(plane_prims,200,200,20,20,true).translate_object3d(0,0,40); 1.96 + 1.97 + // Define objects colors and textures. 1.98 + const CImgList<unsigned char> 1.99 + cone_cols = CImgList<unsigned char>(cone_prims.size,CImg<unsigned char>::vector(128,63,255)), 1.100 + torus_cols = CImgList<unsigned char>(torus_prims.size,CImg<unsigned char>::vector(255,55,163)), 1.101 + sphere_cols = CImgList<unsigned char>(sphere_prims.size,CImg<unsigned char>::vector(115,115,63)), 1.102 + plane_cols = CImgList<unsigned char>(plane_prims.size,CImg<unsigned char>::vector(60,120,180)); 1.103 + 1.104 + const CImg<unsigned char> texture = CImg<unsigned char>(cimg_imagepath "milla.bmp").resize(128,128); 1.105 + CImgList<unsigned char> cube_cols; 1.106 + cimglist_for(cube_prims,p) { 1.107 + cube_cols.insert(texture,~0U,true); 1.108 + cube_prims[p].append(CImg<unsigned int>::vector(0,0,127,0,127,127,0,127),'y'); 1.109 + } 1.110 + 1.111 + // Define objects opacities. 1.112 + const CImg<float> 1.113 + cube_opacs(cube_prims.size,1,1,1,1.0f), 1.114 + cone_opacs(cone_prims.size,1,1,1,0.8f), 1.115 + torus_opacs(torus_prims.size,1,1,1,0.6f), 1.116 + sphere_opacs(sphere_prims.size,1,1,1,0.4f), 1.117 + plane_opacs(plane_prims.size,1,1,1,0.4f); 1.118 + 1.119 + // Append all object in a single scene. 1.120 + scene_pts. 1.121 + append_object3d(scene_prims,cube_pts,cube_prims). 1.122 + append_object3d(scene_prims,cone_pts,cone_prims). 1.123 + append_object3d(scene_prims,torus_pts,torus_prims). 1.124 + append_object3d(scene_prims,sphere_pts,sphere_prims). 1.125 + append_object3d(scene_prims,plane_pts,plane_prims); 1.126 + scene_cols<<cube_cols<<cone_cols<<torus_cols<<sphere_cols<<plane_cols; 1.127 + scene_opacs = (cube_opacs<<cone_opacs<<torus_opacs<<sphere_opacs<<plane_opacs).get_append('x'); 1.128 + 1.129 + // Display object3D in a user-interacted window and get final position matrix. 1.130 + std::fprintf(stderr," - Display 3D Scene.\n"); 1.131 + const CImg<unsigned char> visu = CImg<unsigned char>(3,512,512,1).fill(230,230,255).permute_axes("yzvx"); 1.132 + CImg<float> view_matrix = CImg<>::identity_matrix(4); 1.133 + visu.display_object3d("3D Scene",scene_pts,scene_prims,scene_cols,scene_opacs,true,4,4,false, 1.134 + 500.0f,0.5f,0.1f,true,view_matrix.ptr()); 1.135 + 1.136 + // Save object 3D as OFF file. 1.137 + std::fprintf(stderr," - Save .OFF 3D object file.\n"); 1.138 + scene_pts.save_off("output.off",scene_prims,scene_cols); 1.139 + 1.140 + // Save 3D view in SVG, EPS and FIG files. 1.141 + // (using the Board library : http://www.greyc.ensicaen.fr/~seb/board/ ). 1.142 +#ifdef cimg_use_board 1.143 + 1.144 + // Define a Board instance 1.145 + BoardLib::Board B; 1.146 + 1.147 + // Set Background color of the board. 1.148 + B.clear(230,230,255); 1.149 + 1.150 + // Draw object both in 'visu' and in the board. 1.151 + (view_matrix.crop(0,0,2,2))*=20; 1.152 + (+visu).draw_object3d(B,visu.dimx()/2,visu.dimy()/2,visu.dimz()/2,view_matrix*scene_pts,scene_prims,scene_cols,scene_opacs,3). 1.153 + display("Snapshot for Board"); 1.154 + 1.155 + // Save board into a vector graphics file format. 1.156 + std::fprintf(stderr," - Save .SVG, .EPS and .FIG snapshots\n"); 1.157 + B.save("output.svg"); 1.158 + B.save("output.eps"); 1.159 + B.save("output.fig"); 1.160 +#endif 1.161 + 1.162 + // Exit. 1.163 + std::fprintf(stderr," - Exit.\n"); 1.164 + return 0; 1.165 +}