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- #ifndef K3DSDK_MESH_WRITER_H
- #define K3DSDK_MESH_WRITER_H
-
- // K-3D
- // Copyright (c) 1995-2009, Timothy M. Shead
- //
- // Contact: tshead@k-3d.com
- //
- // This program is free software; you can redistribute it and/or
- // modify it under the terms of the GNU General Public
- // License as published by the Free Software Foundation; either
- // version 2 of the License, or (at your option) any later version.
- //
- // This program is distributed in the hope that it will be useful,
- // but WITHOUT ANY WARRANTY; without even the implied warranty of
- // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
- // General Public License for more details.
- //
- // You should have received a copy of the GNU General Public
- // License along with this program; if not, write to the Free Software
- // Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-
- /** \file
- \author Timothy M. Shead (tshead@k3d.com)
- */
-
- #include "data.h"
- #include "hints.h"
- #include "k3d-i18n-config.h"
- #include "imesh_sink.h"
- #include "ipipeline_profiler.h"
-
- namespace k3d
- {
-
- /////////////////////////////////////////////////////////////////////////////
- // mesh_writer
-
- template<typename base_t>
- class mesh_writer :
- public base_t,
- public imesh_sink
- {
- public:
- iproperty& mesh_sink_input()
- {
- return m_input_mesh;
- }
-
- protected:
- mesh_writer(iplugin_factory& Factory, idocument& Document) :
- base_t(Factory, Document),
- m_input_mesh(init_owner(*this) + init_name("input_mesh") + init_label(_("Input Mesh")) + init_description(_("Input mesh")) + init_value<mesh*>(0)),
- m_file(init_owner(*this) + init_name("file") + init_label(_("File")) + init_description(_("Output file path.")) + init_value(filesystem::path()) + init_path_mode(ipath_property::WRITE) + init_path_type(""))
- {
- m_input_mesh.changed_signal().connect(hint::converter<
- hint::convert<hint::any, hint::none> >(make_write_file_slot()));
- m_file.changed_signal().connect(hint::converter<
- hint::convert<hint::any, hint::none> >(make_write_file_slot()));
- }
-
- /// Slot to call when the file needs to be written
- sigc::slot<void, ihint*> make_write_file_slot()
- {
- return sigc::mem_fun(*this, &mesh_writer::write_file);
- }
-
- /// Stores the input mesh.
- k3d_data(mesh*, data::immutable_name, data::change_signal, data::no_undo, data::local_storage, data::no_constraint, data::read_only_property, data::no_serialization) m_input_mesh;
- /// Stores the output file path.
- k3d_data(filesystem::path, immutable_name, change_signal, with_undo, local_storage, no_constraint, path_property, path_serialization) m_file;
-
- private:
- /// Called whenever our inputs have changed and it's time to write to disk.
- /// Note that execution is unaffected by the types of hints we've received.
- void write_file(ihint*)
- {
- const k3d::filesystem::path path = m_file.pipeline_value();
- const k3d::mesh* const mesh = m_input_mesh.pipeline_value();
-
- if(!mesh || path.empty())
- return;
-
- log() << info << "Writing " << path.native_console_string() << " using " << base_t::factory().name() << std::endl;
-
- k3d::filesystem::ofstream stream(path);
- if(!stream)
- {
- k3d::log() << error << k3d_file_reference << ": error opening [" << path.native_console_string() << "] for writing." << std::endl;
- return;
- }
-
- base_t::document().pipeline_profiler().start_execution(*this, "Write Mesh");
- on_write_mesh(*mesh, path, stream);
- base_t::document().pipeline_profiler().finish_execution(*this, "Write Mesh");
- }
-
-
- /// Implement this in derived classes to write the given mesh to an output stream. Note that the output
- /// path is provided for reference only, all data must be written to the provided stream.
- virtual void on_write_mesh(const mesh& Input, const filesystem::path& OutputPath, std::ostream& Output) = 0;
- };
-
- } // namespace k3d
-
- #endif // !K3DSDK_MESH_WRITER_H
-
-