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54 lines
1.4 KiB
54 lines
1.4 KiB
2 years ago
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#ifndef MEDUSA_BITS_IO_STL_FWD_HPP_
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#define MEDUSA_BITS_IO_STL_FWD_HPP_
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/**
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* @file
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* Support for reading stereolithography files.
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*
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* @example test/io/STL_test.cpp
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*/
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#include <cstdint>
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#include <iosfwd>
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#include <vector>
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#include <cstring>
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namespace mm {
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/**
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* Support for reading stereolithography files: https://en.wikipedia.org/wiki/STL_(file_format)
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*
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* @note Reading headers from STL files is currently not supported.
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*
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* @snippet io/STL_test.cpp STL usage example
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* @ingroup io
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*/
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class STL {
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public:
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/// Holds one 3d Point in a STL file.
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struct Point { float x /** x coordinate */, y /** y coordinate */, z /** z coordinate */; };
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/// Holds one STL triangle, which consists of three points, a normal and an attribute.
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struct Triangle {
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Point normal /** triangle normal */, p1 /** first point */, p2 /** second point */,
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p3 /** third point */;
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uint16_t attribute; ///< attribute of this triangle
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};
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/**
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* Read a binary STL file. Ascii files are currently not supported.
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* @param filename path to the file
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* @return A vector of triangles.
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*/
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static std::vector<Triangle> read(const std::string& filename);
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};
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/// Print a STL point.
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std::ostream& operator<<(std::ostream& os, const STL::Point& p);
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/// Print a STL triangle.
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std::ostream& operator<<(std::ostream& os, const STL::Triangle& v);
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} // namespace mm
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#endif // MEDUSA_BITS_IO_STL_FWD_HPP_
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