1.1 --- /dev/null	Thu Jan 01 00:00:00 1970 +0000
     1.2 +++ b/libs/assimp/STLExporter.cpp	Sat Feb 01 19:58:19 2014 +0200
     1.3 @@ -0,0 +1,116 @@
     1.4 +/*
     1.5 +Open Asset Import Library (assimp)
     1.6 +----------------------------------------------------------------------
     1.7 +
     1.8 +Copyright (c) 2006-2012, assimp team
     1.9 +All rights reserved.
    1.10 +
    1.11 +Redistribution and use of this software in source and binary forms, 
    1.12 +with or without modification, are permitted provided that the 
    1.13 +following conditions are met:
    1.14 +
    1.15 +* Redistributions of source code must retain the above
    1.16 +  copyright notice, this list of conditions and the
    1.17 +  following disclaimer.
    1.18 +
    1.19 +* Redistributions in binary form must reproduce the above
    1.20 +  copyright notice, this list of conditions and the
    1.21 +  following disclaimer in the documentation and/or other
    1.22 +  materials provided with the distribution.
    1.23 +
    1.24 +* Neither the name of the assimp team, nor the names of its
    1.25 +  contributors may be used to endorse or promote products
    1.26 +  derived from this software without specific prior
    1.27 +  written permission of the assimp team.
    1.28 +
    1.29 +THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 
    1.30 +"AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 
    1.31 +LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
    1.32 +A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT 
    1.33 +OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
    1.34 +SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT 
    1.35 +LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
    1.36 +DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 
    1.37 +THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 
    1.38 +(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 
    1.39 +OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
    1.40 +
    1.41 +----------------------------------------------------------------------
    1.42 +*/
    1.43 +
    1.44 +#include "AssimpPCH.h"
    1.45 +
    1.46 +#if !defined(ASSIMP_BUILD_NO_EXPORT) && !defined(ASSIMP_BUILD_NO_STL_EXPORTER)
    1.47 +
    1.48 +#include "STLExporter.h"
    1.49 +#include "assimp/version.h"
    1.50 +
    1.51 +using namespace Assimp;
    1.52 +namespace Assimp	{
    1.53 +
    1.54 +// ------------------------------------------------------------------------------------------------
    1.55 +// Worker function for exporting a scene to Stereolithograpy. Prototyped and registered in Exporter.cpp
    1.56 +void ExportSceneSTL(const char* pFile,IOSystem* pIOSystem, const aiScene* pScene)
    1.57 +{
    1.58 +	// invoke the exporter 
    1.59 +	STLExporter exporter(pFile, pScene);
    1.60 +
    1.61 +	// we're still here - export successfully completed. Write the file.
    1.62 +	boost::scoped_ptr<IOStream> outfile (pIOSystem->Open(pFile,"wt"));
    1.63 +	if(outfile == NULL) {
    1.64 +		throw DeadlyExportError("could not open output .stl file: " + std::string(pFile));
    1.65 +	}
    1.66 +
    1.67 +	outfile->Write( exporter.mOutput.str().c_str(), static_cast<size_t>(exporter.mOutput.tellp()),1);
    1.68 +}
    1.69 +
    1.70 +} // end of namespace Assimp
    1.71 +
    1.72 +
    1.73 +// ------------------------------------------------------------------------------------------------
    1.74 +STLExporter :: STLExporter(const char* _filename, const aiScene* pScene)
    1.75 +: filename(_filename)
    1.76 +, pScene(pScene)
    1.77 +, endl("\n") 
    1.78 +{
    1.79 +	// make sure that all formatting happens using the standard, C locale and not the user's current locale
    1.80 +	const std::locale& l = std::locale("C");
    1.81 +	mOutput.imbue(l);
    1.82 +
    1.83 +	const std::string& name = "AssimpScene";
    1.84 +	
    1.85 +	mOutput << "solid " << name << endl;
    1.86 +	for(unsigned int i = 0; i < pScene->mNumMeshes; ++i) {
    1.87 +		WriteMesh(pScene->mMeshes[i]);
    1.88 +	}
    1.89 +	mOutput << "endsolid " << name << endl;
    1.90 +}
    1.91 +
    1.92 +// ------------------------------------------------------------------------------------------------
    1.93 +void STLExporter :: WriteMesh(const aiMesh* m)
    1.94 +{
    1.95 +	for (unsigned int i = 0; i < m->mNumFaces; ++i) {
    1.96 +		const aiFace& f = m->mFaces[i];
    1.97 +
    1.98 +		// we need per-face normals. We specified aiProcess_GenNormals as pre-requisite for this exporter,
    1.99 +		// but nonetheless we have to expect per-vertex normals.
   1.100 +		aiVector3D nor;
   1.101 +		if (m->mNormals) {
   1.102 +			for(unsigned int a = 0; a < f.mNumIndices; ++a) {
   1.103 +				nor += m->mNormals[f.mIndices[a]];
   1.104 +			}
   1.105 +			nor.Normalize();
   1.106 +		}
   1.107 +		mOutput << " facet normal " << nor.x << " " << nor.y << " " << nor.z << endl;
   1.108 +		mOutput << "  outer loop" << endl; 
   1.109 +		for(unsigned int a = 0; a < f.mNumIndices; ++a) {
   1.110 +			const aiVector3D& v  = m->mVertices[f.mIndices[a]];
   1.111 +			mOutput << "  vertex " << v.x << " " << v.y << " " << v.z << endl;
   1.112 +		}
   1.113 +
   1.114 +		mOutput << "  endloop" << endl; 
   1.115 +		mOutput << " endfacet" << endl << endl; 
   1.116 +	}
   1.117 +}
   1.118 +
   1.119 +#endif