1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
|
// K-3D
// Copyright (c) 2004-2008, 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 Bart Janssens (bart.janssens@lid.kviv.be)
*/
#include <k3d-i18n-config.h>
#include <k3dsdk/document_plugin_factory.h>
#include <k3dsdk/geometry.h>
#include <k3dsdk/measurement.h>
#include <k3dsdk/mesh_modifier.h>
#include <k3dsdk/mesh_selection_sink.h>
#include <k3dsdk/node.h>
#include <k3dsdk/polyhedron.h>
#include <k3dsdk/subdivision_surface/catmull_clark.h>
#include <boost/ptr_container/ptr_map.hpp>
#include <boost/scoped_ptr.hpp>
namespace module
{
namespace subdivision_surface
{
/////////////////////////////////////////////////////////////////////////////
// catmull_clark_subdivider
class catmull_clark_subdivider :
public k3d::mesh_selection_sink<k3d::mesh_modifier<k3d::node > >
{
typedef k3d::mesh_selection_sink<k3d::mesh_modifier<k3d::node > > base;
public:
catmull_clark_subdivider(k3d::iplugin_factory& Factory, k3d::idocument& Document) :
base(Factory, Document),
m_level(init_owner(*this) + init_name("level") + init_label(_("Level")) + init_description(_("Subdivision level")) + init_constraint(constraint::minimum<k3d::int32_t>(1)) + init_value(1) + init_step_increment(1) + init_units(typeid(k3d::measurement::scalar)))
{
m_mesh_selection.changed_signal().connect(make_reset_mesh_slot());
m_level.changed_signal().connect(make_reset_mesh_slot());
}
void on_create_mesh(const k3d::mesh& Input, k3d::mesh& Output)
{
m_subdividers.clear();
k3d::mesh mesh_merged_selection = Input;
k3d::geometry::selection::merge(m_mesh_selection.pipeline_value(), mesh_merged_selection);
const k3d::uint_t level = m_level.pipeline_value();
const k3d::uint_t primitive_count = mesh_merged_selection.primitives.size();
for(k3d::uint_t prim_idx = 0; prim_idx != primitive_count; ++prim_idx)
{
boost::scoped_ptr<k3d::polyhedron::const_primitive> polyhedron(k3d::polyhedron::validate(mesh_merged_selection, *mesh_merged_selection.primitives[prim_idx]));
if(!polyhedron.get())
continue;
m_subdividers[prim_idx].set_levels(level);
m_subdividers[prim_idx].create_mesh(*mesh_merged_selection.points, *polyhedron, polyhedron->face_selections, this);
}
}
void on_update_mesh(const k3d::mesh& Input, k3d::mesh& Output)
{
k3d::mesh mesh_merged_selection = Input;
Output = mesh_merged_selection;
k3d::geometry::selection::merge(m_mesh_selection.pipeline_value(), mesh_merged_selection);
const k3d::uint_t primitive_count = mesh_merged_selection.primitives.size();
k3d::mesh::points_t& output_points = Output.points.writable();
for(k3d::uint_t prim_idx = 0; prim_idx != primitive_count; ++prim_idx)
{
boost::scoped_ptr<k3d::polyhedron::const_primitive> input_polyhedron(k3d::polyhedron::validate(mesh_merged_selection, *mesh_merged_selection.primitives[prim_idx]));
if(!input_polyhedron.get())
continue;
boost::scoped_ptr<k3d::polyhedron::primitive> output_polyhedron(k3d::polyhedron::create(Output.primitives[prim_idx].create()));
m_subdividers[prim_idx].update_mesh(*mesh_merged_selection.points, *input_polyhedron, mesh_merged_selection.point_attributes, input_polyhedron->face_selections, this);
m_subdividers[prim_idx].copy_output(output_points, *output_polyhedron, Output.point_attributes);
}
Output.point_selection.writable().resize(output_points.size(), 0.0);
k3d::mesh::bools_t unused_points;
k3d::mesh::lookup_unused_points(Output, unused_points);
k3d::mesh::delete_points(Output, unused_points);
}
static k3d::iplugin_factory& get_factory()
{
static k3d::document_plugin_factory<catmull_clark_subdivider,
k3d::interface_list<k3d::imesh_source,
k3d::interface_list<k3d::imesh_sink > > > factory(
k3d::uuid(0xdc73f6e3, 0x744b4b51, 0xac535307, 0xc82d261c),
"CatmullClark",
_("Generates a Catmull-Clark subdivision mesh"),
"Subdivision",
k3d::iplugin_factory::EXPERIMENTAL);
return factory;
}
private:
k3d_data(k3d::int32_t, immutable_name, change_signal, with_undo, local_storage, with_constraint, measurement_property, with_serialization) m_level;
boost::ptr_map<const k3d::uint_t, k3d::sds::catmull_clark_subdivider> m_subdividers;
};
/////////////////////////////////////////////////////////////////////////////
// catmull_clark_subdivision_factory
k3d::iplugin_factory& catmull_clark_subdivision_factory()
{
return catmull_clark_subdivider::get_factory();
}
} // namespace subdivision_surface
} // namespace module
|
