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+// This file is part of libigl, a simple c++ geometry processing library.
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+//
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+// Copyright (C) 2017 Sebastian Koch <s.koch@tu-berlin.de> and Daniele Panozzo <daniele.panozzo@gmail.com>
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+//
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+// This Source Code Form is subject to the terms of the Mozilla Public License
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+// v. 2.0. If a copy of the MPL was not distributed with this file, You can
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+// obtain one at http://mozilla.org/MPL/2.0/.
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+#include <Eigen/Dense>
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+#include <Eigen/Sparse>
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+
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+#include "../python_shared.h"
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+#define ENABLE_SERIALIZATION
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+#include <igl/opengl/glfw/Viewer.h>
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+#include <igl/opengl/ViewerCore.h>
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+#include <igl/ViewerData.h>
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+#include <igl/opengl/State.h>
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+#include <igl/serialize.h>
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+#ifdef IGL_VIEWER_WITH_NANOGUI
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+#include "../../../external/nanogui/include/nanogui/formhelper.h"
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+#include "../../../external/nanogui/include/nanogui/screen.h"
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+#endif
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+
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+void python_export_igl_viewer(py::module &m)
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+{
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+
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+ py::module me = m.def_submodule(
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+ "opengl_glfw", "GLFW Mesh viewer");
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+
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+/////////////////////// DATA
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+
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+py::class_<igl::ViewerData> viewerdata_class(me, "ViewerData");
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+
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+py::enum_<igl::ViewerData::DirtyFlags>(viewerdata_class, "DirtyFlags")
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+ .value("DIRTY_NONE", igl::ViewerData::DIRTY_NONE)
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+ .value("DIRTY_POSITION", igl::ViewerData::DIRTY_POSITION)
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+ .value("DIRTY_UV", igl::ViewerData::DIRTY_UV)
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+ .value("DIRTY_NORMAL", igl::ViewerData::DIRTY_NORMAL)
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+ .value("DIRTY_AMBIENT", igl::ViewerData::DIRTY_AMBIENT)
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+ .value("DIRTY_DIFFUSE", igl::ViewerData::DIRTY_DIFFUSE)
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+ .value("DIRTY_SPECULAR", igl::ViewerData::DIRTY_SPECULAR)
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+ .value("DIRTY_TEXTURE", igl::ViewerData::DIRTY_TEXTURE)
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+ .value("DIRTY_FACE", igl::ViewerData::DIRTY_FACE)
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+ .value("DIRTY_MESH", igl::ViewerData::DIRTY_MESH)
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+ .value("DIRTY_OVERLAY_LINES", igl::ViewerData::DIRTY_OVERLAY_LINES)
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+ .value("DIRTY_OVERLAY_POINTS", igl::ViewerData::DIRTY_OVERLAY_POINTS)
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+ .value("DIRTY_ALL", igl::ViewerData::DIRTY_ALL)
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+ .export_values();
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+
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+
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+ viewerdata_class
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+ .def(py::init<>())
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+ .def("set_mesh", &igl::ViewerData::set_mesh)
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+ .def("set_colors", &igl::ViewerData::set_colors)
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+ .def("clear", &igl::ViewerData::clear)
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+ .def("set_face_based", &igl::ViewerData::set_face_based)
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+
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+ .def("set_vertices", &igl::ViewerData::set_vertices)
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+ .def("set_normals", &igl::ViewerData::set_normals)
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+
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+ .def("set_uv",
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+ (void (igl::ViewerData::*) (const Eigen::MatrixXd &)) &igl::ViewerData::set_uv
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+ )
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+
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+ .def("set_uv",
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+ (void (igl::ViewerData::*) (const Eigen::MatrixXd &, const Eigen::MatrixXi&)) &igl::ViewerData::set_uv
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+ )
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+
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+ .def("set_texture",
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+ (void (igl::ViewerData::*) (
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+ const Eigen::Matrix<unsigned char,Eigen::Dynamic,Eigen::Dynamic>&,
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+ const Eigen::Matrix<unsigned char,Eigen::Dynamic,Eigen::Dynamic>&,
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+ const Eigen::Matrix<unsigned char,Eigen::Dynamic,Eigen::Dynamic>&)
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+ ) &igl::ViewerData::set_texture
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+ )
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+
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+ .def("set_texture",
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+ (void (igl::ViewerData::*) (
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+ const Eigen::Matrix<unsigned char,Eigen::Dynamic,Eigen::Dynamic>&,
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+ const Eigen::Matrix<unsigned char,Eigen::Dynamic,Eigen::Dynamic>&,
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+ const Eigen::Matrix<unsigned char,Eigen::Dynamic,Eigen::Dynamic>&,
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+ const Eigen::Matrix<unsigned char,Eigen::Dynamic,Eigen::Dynamic>&)
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+ ) &igl::ViewerData::set_texture
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+ )
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+
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+ .def("set_points", &igl::ViewerData::set_points)
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+ .def("add_points", &igl::ViewerData::add_points)
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+ .def("set_edges", &igl::ViewerData::set_edges)
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+ .def("add_edges", &igl::ViewerData::add_edges)
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+
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+ .def("add_label", [] (igl::ViewerData& data, const Eigen::MatrixXd& P, const std::string& str)
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+ {
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+ assert_is_VectorX("P",P);
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+ data.add_label(P,str);
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+ })
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+
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+ .def("compute_normals", &igl::ViewerData::compute_normals)
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+
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+ .def("uniform_colors", [] (igl::ViewerData& data, const Eigen::MatrixXd& ambient, const Eigen::MatrixXd& diffuse, const Eigen::MatrixXd& specular)
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+ {
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+ if (ambient.cols() == 3)
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+ {
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+ assert_is_Vector3("ambient",ambient);
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+ assert_is_Vector3("diffuse",diffuse);
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+ assert_is_Vector3("specular",specular);
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+ Eigen::Vector3d vambient = ambient;
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+ Eigen::Vector3d vdiffuse = diffuse;
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+ Eigen::Vector3d vspecular = specular;
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+ data.uniform_colors(vambient,vdiffuse, vspecular);
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+ }
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+
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+ if (ambient.cols() == 4)
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+ {
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+ assert_is_Vector4("ambient",ambient);
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+ assert_is_Vector4("diffuse",diffuse);
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+ assert_is_Vector4("specular",specular);
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+ Eigen::Vector4d vambient = ambient;
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+ Eigen::Vector4d vdiffuse = diffuse;
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+ Eigen::Vector4d vspecular = specular;
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+ data.uniform_colors(vambient,vdiffuse,vspecular);
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+ }
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+
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+ })
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+
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+ .def("grid_texture", &igl::ViewerData::grid_texture)
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+
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+ .def_readwrite("V", &igl::ViewerData::V)
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+ .def_readwrite("F", &igl::ViewerData::F)
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+
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+ .def_readwrite("F_normals", &igl::ViewerData::F_normals)
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+ .def_readwrite("F_material_ambient", &igl::ViewerData::F_material_ambient)
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+ .def_readwrite("F_material_diffuse", &igl::ViewerData::F_material_diffuse)
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+ .def_readwrite("F_material_specular", &igl::ViewerData::F_material_specular)
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+
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+ .def_readwrite("V_normals", &igl::ViewerData::V_normals)
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+ .def_readwrite("V_material_ambient", &igl::ViewerData::V_material_ambient)
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+ .def_readwrite("V_material_diffuse", &igl::ViewerData::V_material_diffuse)
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+ .def_readwrite("V_material_specular", &igl::ViewerData::V_material_specular)
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+
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+ .def_readwrite("V_uv", &igl::ViewerData::V_uv)
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+ .def_readwrite("F_uv", &igl::ViewerData::F_uv)
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+
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+ .def_readwrite("texture_R", &igl::ViewerData::texture_R)
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+ .def_readwrite("texture_G", &igl::ViewerData::texture_G)
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+ .def_readwrite("texture_B", &igl::ViewerData::texture_B)
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+
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+ .def_readwrite("lines", &igl::ViewerData::lines)
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+ .def_readwrite("points", &igl::ViewerData::points)
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+ .def_readwrite("labels_positions", &igl::ViewerData::labels_positions)
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+ .def_readwrite("labels_strings", &igl::ViewerData::labels_strings)
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+ .def_readwrite("dirty", &igl::ViewerData::dirty)
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+ .def_readwrite("face_based", &igl::ViewerData::face_based)
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+ .def("serialize", [](igl::ViewerData& data)
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+ {
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+ std::vector<char> a;
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+ igl::serialize(data,"Data",a);
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+ return a;
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+ })
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+
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+ .def("deserialize", [](igl::ViewerData& data, const std::vector<char>& a)
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+ {
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+ igl::deserialize(data,"Data",a);
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+ return;
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+ })
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+
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+ .def_readwrite("shininess",&igl::ViewerData::shininess)
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+
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+ .def_property("line_color",
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+ [](const igl::ViewerData& data) {return Eigen::MatrixXd(data.line_color.cast<double>());},
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+ [](igl::ViewerData& data, const Eigen::MatrixXd& v)
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+ {
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+ assert_is_Vector4("line_color",v);
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+ data.line_color = Eigen::Vector4f(v.cast<float>());
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+ })
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+
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+ .def_readwrite("show_overlay",&igl::ViewerData::show_overlay)
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+ .def_readwrite("show_overlay_depth",&igl::ViewerData::show_overlay_depth)
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+ .def_readwrite("show_texture",&igl::ViewerData::show_texture)
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+ .def_readwrite("show_faces",&igl::ViewerData::show_faces)
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+
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+ .def_readwrite("show_lines",&igl::ViewerData::show_lines)
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+ .def_readwrite("show_vertid",&igl::ViewerData::show_vertid)
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+ .def_readwrite("show_faceid",&igl::ViewerData::show_faceid)
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+ .def_readwrite("invert_normals",&igl::ViewerData::invert_normals)
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+
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+ .def_readwrite("point_size",&igl::ViewerData::point_size)
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+ .def_readwrite("line_width",&igl::ViewerData::line_width)
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+
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+ ;
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+
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+//////////////////////// OPENGL_State
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+
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+py::class_<igl::opengl::State> opengl_state_class(me, "OpenGL_state");
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+
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+ opengl_state_class
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+ .def(py::init<>())
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+ .def("init", &igl::opengl::State::init)
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+
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+ ;
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+
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+//////////////////////// CORE
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+
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+py::class_<igl::opengl::ViewerCore> viewercore_class(me, "ViewerCore");
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+
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+ py::enum_<igl::opengl::ViewerCore::RotationType>(viewercore_class, "RotationType")
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+ .value("ROTATION_TYPE_TRACKBALL", igl::opengl::ViewerCore::ROTATION_TYPE_TRACKBALL)
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+ .value("ROTATION_TYPE_TWO_AXIS_VALUATOR_FIXED_UP", igl::opengl::ViewerCore::ROTATION_TYPE_TWO_AXIS_VALUATOR_FIXED_UP)
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+ .value("NUM_ROTATION_TYPES", igl::opengl::ViewerCore::NUM_ROTATION_TYPES)
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+ .export_values();
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+
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+ viewercore_class
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+ .def(py::init<>())
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+ //.def("align_camera_center", [](igl::opengl::ViewerCore& core, const Eigen::MatrixXd& V, const Eigen::MatrixXi& F){return core.align_camera_center(V,F);})
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+ .def("init", &igl::opengl::ViewerCore::init)
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+ .def("shut", &igl::opengl::ViewerCore::shut)
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+ //.def("InitSerialization", &igl::opengl::ViewerCore::InitSerialization)
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+ .def("align_camera_center",
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+ (void (igl::opengl::ViewerCore::*) (const Eigen::MatrixXd &, const Eigen::MatrixXi &)) &igl::opengl::ViewerCore::align_camera_center
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+ )
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+
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+ .def("align_camera_center",
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+ (void (igl::opengl::ViewerCore::*) (const Eigen::MatrixXd &)) &igl::opengl::ViewerCore::align_camera_center
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+ )
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+
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+ .def("clear_framebuffers",&igl::opengl::ViewerCore::clear_framebuffers)
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+ .def("draw",&igl::opengl::ViewerCore::draw)
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+ .def("draw_buffer",&igl::opengl::ViewerCore::draw_buffer)
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+
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+ .def_property("background_color",
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+ [](const igl::opengl::ViewerCore& core) {return Eigen::MatrixXd(core.background_color.cast<double>());},
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+ [](igl::opengl::ViewerCore& core, const Eigen::MatrixXd& v)
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+ {
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+ assert_is_Vector4("background_color",v);
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+ core.background_color << Eigen::Vector4f(v.cast<float>());
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+ })
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+
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+ .def_property("light_position",
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+ [](const igl::opengl::ViewerCore& core) {return Eigen::MatrixXd(core.light_position.cast<double>());},
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+ [](igl::opengl::ViewerCore& core, const Eigen::MatrixXd& v)
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+ {
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+ assert_is_Vector3("light_position",v);
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+ core.light_position = Eigen::Vector3f(v.cast<float>());
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+ })
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+
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+ .def_readwrite("lighting_factor",&igl::opengl::ViewerCore::lighting_factor)
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+ .def_readwrite("model_zoom",&igl::opengl::ViewerCore::model_zoom)
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+
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+ .def_property("trackball_angle",
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+ [](const igl::opengl::ViewerCore& core) {return Eigen::Quaterniond(core.trackball_angle.cast<double>());},
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+ [](igl::opengl::ViewerCore& core, const Eigen::Quaterniond& q)
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+ {
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+ core.trackball_angle = Eigen::Quaternionf(q.cast<float>());
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+ })
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+
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+ .def_property("model_translation",
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+ [](const igl::opengl::ViewerCore& core) {return Eigen::MatrixXd(core.model_translation.cast<double>());},
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+ [](igl::opengl::ViewerCore& core, const Eigen::MatrixXd& v)
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+ {
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+ assert_is_Vector3("model_translation",v);
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+ core.model_translation = Eigen::Vector3f(v.cast<float>());
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+ })
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+
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+ .def_readwrite("model_zoom_uv",&igl::opengl::ViewerCore::model_zoom_uv)
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+
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+ .def_property("model_translation_uv",
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+ [](const igl::opengl::ViewerCore& core) {return Eigen::MatrixXd(core.model_translation_uv.cast<double>());},
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+ [](igl::opengl::ViewerCore& core, const Eigen::MatrixXd& v)
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+ {
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+ assert_is_Vector3("model_translation_uv",v);
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+ core.model_translation_uv = Eigen::Vector3f(v.cast<float>());
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+ })
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+
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+ .def_readwrite("camera_zoom",&igl::opengl::ViewerCore::camera_zoom)
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+ .def_readwrite("orthographic",&igl::opengl::ViewerCore::orthographic)
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+
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+ .def_property("camera_eye",
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+ [](const igl::opengl::ViewerCore& core) {return Eigen::MatrixXd(core.camera_eye.cast<double>());},
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+ [](igl::opengl::ViewerCore& core, const Eigen::MatrixXd& v)
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+ {
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+ assert_is_Vector3("camera_eye",v);
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+ core.camera_eye = Eigen::Vector3f(v.cast<float>());
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+ })
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+
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+ .def_property("camera_up",
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+ [](const igl::opengl::ViewerCore& core) {return Eigen::MatrixXd(core.camera_up.cast<double>());},
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+ [](igl::opengl::ViewerCore& core, const Eigen::MatrixXd& v)
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+ {
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+ assert_is_Vector3("camera_up",v);
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+ core.camera_up = Eigen::Vector3f(v.cast<float>());
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+ })
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+
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+ .def_property("camera_center",
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+ [](const igl::opengl::ViewerCore& core) {return Eigen::MatrixXd(core.camera_center.cast<double>());},
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+ [](igl::opengl::ViewerCore& core, const Eigen::MatrixXd& v)
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+ {
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+ assert_is_Vector3("camera_center",v);
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+ core.camera_center = Eigen::Vector3f(v.cast<float>());
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+ })
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+
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+ .def_readwrite("camera_view_angle",&igl::opengl::ViewerCore::camera_view_angle)
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+
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+ .def_readwrite("camera_dnear",&igl::opengl::ViewerCore::camera_dnear)
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+ .def_readwrite("camera_dfar",&igl::opengl::ViewerCore::camera_dfar)
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+
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+ .def_readwrite("depth_test",&igl::opengl::ViewerCore::depth_test)
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+
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+ .def_readwrite("is_animating",&igl::opengl::ViewerCore::is_animating)
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+ .def_readwrite("animation_max_fps",&igl::opengl::ViewerCore::animation_max_fps)
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+
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+ .def_readwrite("object_scale",&igl::opengl::ViewerCore::object_scale)
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+
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+ .def_property("viewport",
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+ [](const igl::opengl::ViewerCore& core) {return Eigen::MatrixXd(core.viewport.cast<double>());},
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+ [](igl::opengl::ViewerCore& core, const Eigen::MatrixXd& v)
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+ {
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+ assert_is_Vector4("viewport",v);
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+ core.viewport = Eigen::Vector4f(v.cast<float>());
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+ })
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+
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+ .def_property("view",
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+ [](const igl::opengl::ViewerCore& core) {return Eigen::MatrixXd(core.view.cast<double>());},
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+ [](igl::opengl::ViewerCore& core, const Eigen::MatrixXd& v)
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+ {
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+ assert_is_Matrix4("view",v);
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+ core.view = Eigen::Matrix4f(v.cast<float>());
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+ })
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+
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+ .def_property("model",
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+ [](const igl::opengl::ViewerCore& core) {return Eigen::MatrixXd(core.model.cast<double>());},
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+ [](igl::opengl::ViewerCore& core, const Eigen::MatrixXd& v)
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|
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+ {
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+ assert_is_Matrix4("model",v);
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|
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+ core.model = Eigen::Matrix4f(v.cast<float>());
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+ })
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+
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+ .def_property("proj",
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+ [](const igl::opengl::ViewerCore& core) {return Eigen::MatrixXd(core.proj.cast<double>());},
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|
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+ [](igl::opengl::ViewerCore& core, const Eigen::MatrixXd& v)
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|
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+ {
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|
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+ assert_is_Matrix4("proj",v);
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|
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+ core.proj = Eigen::Matrix4f(v.cast<float>());
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+ })
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+
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+ .def_readwrite("rotation_type",&igl::opengl::ViewerCore::rotation_type)
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|
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+
|
|
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+ .def("serialize", [](igl::opengl::ViewerCore& core)
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|
|
+ {
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+ std::vector<char> a;
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+ igl::serialize(core,"Core",a);
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+ return a;
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|
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+ })
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|
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+
|
|
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+ .def("deserialize", [](igl::opengl::ViewerCore& core, const std::vector<char>& a)
|
|
|
+ {
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|
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+ igl::deserialize(core,"Core",a);
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+ return;
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|
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+ })
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|
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+
|
|
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+ // TODO: wrap this!
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|
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+ // Eigen::Quaternionf trackball_angle;
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|
|
+ ;
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+
|
|
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+///////////////////////// VIEWER
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|
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+
|
|
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+// UI Enumerations
|
|
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+ py::class_<igl::opengl::glfw::Viewer> viewer_class(me, "Viewer");
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|
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+
|
|
|
+// #ifdef IGL_VIEWER_WITH_NANOGUI
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|
|
+// py::object fh = (py::object) py::module::import("nanogui").attr("FormHelper");
|
|
|
+// py::class_<nanogui::FormHelper> form_helper_class(me, "FormHelper", fh);
|
|
|
+
|
|
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+// py::object screen = (py::object) py::module::import("nanogui").attr("Screen");
|
|
|
+// py::class_<nanogui::Screen> screen_class(me, "Screen", screen);
|
|
|
+// #endif
|
|
|
+
|
|
|
+ py::enum_<igl::opengl::glfw::Viewer::MouseButton>(viewer_class, "MouseButton")
|
|
|
+ .value("Left", igl::opengl::glfw::Viewer::MouseButton::Left)
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|
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+ .value("Middle", igl::opengl::glfw::Viewer::MouseButton::Middle)
|
|
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+ .value("Right", igl::opengl::glfw::Viewer::MouseButton::Right)
|
|
|
+ .export_values();
|
|
|
+
|
|
|
+ viewer_class
|
|
|
+ .def(py::init<>())
|
|
|
+ //.def_readwrite("data", &igl::opengl::glfw::Viewer::data)
|
|
|
+ .def_property("data",
|
|
|
+ [](igl::opengl::glfw::Viewer& viewer) {return viewer.data();},
|
|
|
+ [](igl::opengl::glfw::Viewer& viewer, const igl::ViewerData& data)
|
|
|
+ {
|
|
|
+ viewer.data() = data;
|
|
|
+ })
|
|
|
+
|
|
|
+ .def_readwrite("core", &igl::opengl::glfw::Viewer::core)
|
|
|
+ //.def_readwrite("opengl", &igl::opengl::glfw::Viewer::opengl)
|
|
|
+
|
|
|
+ #ifdef IGL_VIEWER_WITH_NANOGUI
|
|
|
+ .def_readwrite("ngui", &igl::opengl::glfw::Viewer::ngui)
|
|
|
+ .def_readwrite("screen", &igl::opengl::glfw::Viewer::screen)
|
|
|
+ #endif
|
|
|
+
|
|
|
+ .def("launch", &igl::opengl::glfw::Viewer::launch, py::arg("resizable") = true, py::arg("fullscreen") = false)
|
|
|
+ .def("launch_init", &igl::opengl::glfw::Viewer::launch_init, py::arg("resizable") = true, py::arg("fullscreen") = false)
|
|
|
+ .def("launch_rendering", &igl::opengl::glfw::Viewer::launch_rendering, py::arg("loop") = true)
|
|
|
+ .def("launch_shut", &igl::opengl::glfw::Viewer::launch_shut)
|
|
|
+ .def("init", &igl::opengl::glfw::Viewer::init)
|
|
|
+ .def("serialize", [](igl::opengl::glfw::Viewer& viewer)
|
|
|
+ {
|
|
|
+ std::vector<char> a;
|
|
|
+ igl::serialize(viewer.core,"Core",a);
|
|
|
+ //igl::serialize(viewer.data,"Data",a); TODO
|
|
|
+
|
|
|
+ return a;
|
|
|
+ })
|
|
|
+
|
|
|
+ .def("deserialize", [](igl::opengl::glfw::Viewer& viewer, const std::vector<char>& a)
|
|
|
+ {
|
|
|
+ igl::deserialize(viewer.core,"Core",a);
|
|
|
+ //igl::deserialize(viewer.data,"Data",a);
|
|
|
+ return;
|
|
|
+ })
|
|
|
+
|
|
|
+ // Scene IO
|
|
|
+ .def("load_scene", [](igl::opengl::glfw::Viewer& viewer)
|
|
|
+ {
|
|
|
+ viewer.load_scene();
|
|
|
+ })
|
|
|
+
|
|
|
+ .def("load_scene", [](igl::opengl::glfw::Viewer& viewer, std::string str)
|
|
|
+ {
|
|
|
+ viewer.load_scene(str);
|
|
|
+ })
|
|
|
+
|
|
|
+ .def("save_scene", &igl::opengl::glfw::Viewer::save_scene)
|
|
|
+
|
|
|
+ // Draw everything
|
|
|
+ .def("draw", &igl::opengl::glfw::Viewer::draw)
|
|
|
+
|
|
|
+ // OpenGL context resize
|
|
|
+ .def("resize", &igl::opengl::glfw::Viewer::resize)
|
|
|
+
|
|
|
+ // Helper functions
|
|
|
+ .def("snap_to_canonical_quaternion", &igl::opengl::glfw::Viewer::snap_to_canonical_quaternion)
|
|
|
+ .def("open_dialog_load_mesh", &igl::opengl::glfw::Viewer::open_dialog_load_mesh)
|
|
|
+ .def("open_dialog_save_mesh", &igl::opengl::glfw::Viewer::open_dialog_save_mesh)
|
|
|
+
|
|
|
+ // Input handling
|
|
|
+ .def_readwrite("current_mouse_x", &igl::opengl::glfw::Viewer::current_mouse_x)
|
|
|
+ .def_readwrite("current_mouse_y", &igl::opengl::glfw::Viewer::current_mouse_y)
|
|
|
+
|
|
|
+ // Callbacks
|
|
|
+ .def_readwrite("callback_init", &igl::opengl::glfw::Viewer::callback_init)
|
|
|
+ .def_readwrite("callback_pre_draw", &igl::opengl::glfw::Viewer::callback_pre_draw)
|
|
|
+ .def_readwrite("callback_post_draw", &igl::opengl::glfw::Viewer::callback_post_draw)
|
|
|
+ .def_readwrite("callback_mouse_down", &igl::opengl::glfw::Viewer::callback_mouse_down)
|
|
|
+ .def_readwrite("callback_mouse_up", &igl::opengl::glfw::Viewer::callback_mouse_up)
|
|
|
+ .def_readwrite("callback_mouse_move", &igl::opengl::glfw::Viewer::callback_mouse_move)
|
|
|
+ .def_readwrite("callback_mouse_scroll", &igl::opengl::glfw::Viewer::callback_mouse_scroll)
|
|
|
+ .def_readwrite("callback_key_pressed", &igl::opengl::glfw::Viewer::callback_key_pressed)
|
|
|
+ .def_readwrite("callback_key_down", &igl::opengl::glfw::Viewer::callback_key_down)
|
|
|
+ .def_readwrite("callback_key_up", &igl::opengl::glfw::Viewer::callback_key_up)
|
|
|
+ ;
|
|
|
+}
|
Daniele Panozzo