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Commit 75c1da0b authored by Patrik Huber's avatar Patrik Huber
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Added documentation

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matlab/include/mexplus_eos_types.hpp
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......@@ -38,11 +38,26 @@
#include "mex.h"
/**
* Todo: Add a doxygen file comment? See opencv cereal?
* @file
* @brief Contains mexplus template specialisations to convert eos data
* structures into Matlab.
*
* Note 1: These all copy the data, which I believe might be necessary, since
* Matlab may unload a mex module (with all its allocated data) at any given
* time.
* Note 2: They all return double vectors and matrices, even when the data given
* are floats. We can think about changing that if it's a speed issue, however,
* I think double is Matlab's default data type.
*/
namespace mexplus {
/**
* @brief Converts a glm::tquat<float> to a Matlab vector.
*
* @param[in] quat The quaternion to convert.
* @return An 1x4 Matlab vector.
*/
template<>
mxArray* MxArray::from(const glm::tquat<float>& quat)
{
......@@ -53,6 +68,12 @@ mxArray* MxArray::from(const glm::tquat<float>& quat)
return out_array.release();
};
/**
* @brief Converts a glm::tmat4x4<float> to a Matlab matrix.
*
* @param[in] mat The matrix to convert.
* @return A 4x4 Matlab matrix.
*/
template<>
mxArray* MxArray::from(const glm::tmat4x4<float>& mat)
{
......@@ -65,63 +86,117 @@ mxArray* MxArray::from(const glm::tmat4x4<float>& mat)
return out_array.release();
};
// We have an overload for vector<tvec4<float>> directly because otherwise a cell
// will be used. However, such overload for tvec4<float> can be added without affecting
// this one, this overload takes precedence!
// Todo: Numeric<float> instead?
/**
* @brief Converts an std::vector of glm::tvec2<float> to a Matlab matrix.
*
* This function converts a whole vector of vec2's to an n x 2 Matlab matrix,
* where n is data.size(). It is mainly used to pass texture coordinates of
* a Mesh to Matlab.
*
* We specialise for std::vector<glm::tvec2<float>> directly (and not for
* glm::tvec2<float>) because otherwise a cell array of vec2's would be
* generated. Luckily, even if a tvec2 specialisation was to exist too,
* this one would take precedence to convert a vector<tvec2>.
*
* @param[in] data The data to convert.
* @return An n x 2 Matlab matrix.
*/
template<>
mxArray* MxArray::from(const std::vector<glm::tvec2<float>>& vec)
mxArray* MxArray::from(const std::vector<glm::tvec2<float>>& data)
{
MxArray out_array(MxArray::Numeric<double>(vec.size(), 2));
for (int r = 0; r < vec.size(); ++r) {
MxArray out_array(MxArray::Numeric<double>(data.size(), 2));
for (int r = 0; r < data.size(); ++r) {
for (int c = 0; c < 2; ++c) {
out_array.set(r, c, vec[r][c]);
out_array.set(r, c, data[r][c]);
}
}
return out_array.release();
};
/**
* @brief Converts an std::vector of glm::tvec3<float> to a Matlab matrix.
*
* This function converts a whole vector of vec3's to an n x 3 Matlab matrix,
* where n is data.size(). It is mainly used to pass vertex colour data of
* a Mesh to Matlab.
*
* See template<> mxArray* MxArray::from(const std::vector<glm::tvec2<float>>&)
* for more details.
*
* @param[in] data The data to convert.
* @return An n x 3 Matlab matrix.
*/
template<>
mxArray* MxArray::from(const std::vector<glm::tvec3<float>>& vec)
mxArray* MxArray::from(const std::vector<glm::tvec3<float>>& data)
{
MxArray out_array(MxArray::Numeric<double>(vec.size(), 3));
for (int r = 0; r < vec.size(); ++r) {
MxArray out_array(MxArray::Numeric<double>(data.size(), 3));
for (int r = 0; r < data.size(); ++r) {
for (int c = 0; c < 3; ++c) {
out_array.set(r, c, vec[r][c]);
out_array.set(r, c, data[r][c]);
}
}
return out_array.release();
};
/**
* @brief Converts an std::vector of glm::tvec4<float> to a Matlab matrix.
*
* This function converts a whole vector of vec4's to an n x 4 Matlab matrix,
* where n is data.size(). It is mainly used to pass vertex data of a Mesh
* to Matlab.
*
* See template<> mxArray* MxArray::from(const std::vector<glm::tvec2<float>>&)
* for more details.
*
* @param[in] data The data to convert.
* @return An n x 4 Matlab matrix.
*/
template<>
mxArray* MxArray::from(const std::vector<glm::tvec4<float>>& vec)
mxArray* MxArray::from(const std::vector<glm::tvec4<float>>& data)
{
MxArray out_array(MxArray::Numeric<double>(vec.size(), 4));
for (int r = 0; r < vec.size(); ++r) {
MxArray out_array(MxArray::Numeric<double>(data.size(), 4));
for (int r = 0; r < data.size(); ++r) {
for (int c = 0; c < 4; ++c) {
out_array.set(r, c, vec[r][c]);
out_array.set(r, c, data[r][c]);
}
}
return out_array.release();
};
// This is for tvi and tci - return them as matrix, not as cell-array.
/**
* @brief Converts an std::vector of std::array<int, 3> to a Matlab matrix.
*
* This function converts a whole vector of array<int, 3>'s to an n x 3 Matlab
* matrix, where n is data.size(). It is mainly used to pass triangle indices
* data of a Mesh to Matlab.
*
* We specialise for vector<array<int, 3>> directly (and not for array<int, 3>)
* because otherwise a cell array of arrays would be generated. Luckily, even
* if an array<int, 3> specialisation was to exist too, this one would take
* precedence to convert a vector<array<int, 3>>.
*
* @param[in] data The data to convert.
* @return An n x 3 Matlab matrix.
*/
template<>
mxArray* MxArray::from(const std::vector<std::array<int, 3>>& vec)
mxArray* MxArray::from(const std::vector<std::array<int, 3>>& data)
{
MxArray out_array(MxArray::Numeric<int>(vec.size(), 3));
for (int r = 0; r < vec.size(); ++r) {
MxArray out_array(MxArray::Numeric<int>(data.size(), 3));
for (int r = 0; r < data.size(); ++r) {
for (int c = 0; c < 3; ++c) {
out_array.set(r, c, vec[r][c]);
out_array.set(r, c, data[r][c]);
}
}
return out_array.release();
};
/**
* @brief Define a template specialisation for ... .
* @brief Define a template specialisation for eos::render::Mesh.
*
* Todo: Documentation.
* This converts an eos::render::Mesh into a Matlab struct.
*
* @param[in] mesh The Mesh that will be returned to Matlab.
* @return An mxArray containing a Matlab struct with all vertex, colour, texcoords and triangle data.
*/
template<>
mxArray* MxArray::from(const eos::render::Mesh& mesh) {
......@@ -137,9 +212,12 @@ mxArray* MxArray::from(const eos::render::Mesh& mesh) {
};
/**
* @brief Define a template specialisation for ... .
* @brief Define a template specialisation for eos::fitting::RenderingParameters.
*
* Todo: Documentation.
* This converts an eos::fitting::RenderingParameters into a Matlab struct.
*
* @param[in] rendering_parameters The RenderingParameters that will be returned to Matlab.
* @return An mxArray containing a Matlab struct with all required parameters.
*/
template<>
mxArray* MxArray::from(const eos::fitting::RenderingParameters& rendering_parameters) {
......
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