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
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
|
// K-3D
// Copyright (c) 1995-2004, 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@k-3d.com)
*/
#include <k3dsdk/imaterial.h>
#include <k3dsdk/object.h>
#include <k3dsdk/persistence.h>
#include <k3dsdk/material.h>
#include <k3dsdk/material_collection.h>
#include <k3dsdk/measurement.h>
#include <k3dsdk/mesh_source.h>
#include <k3dsdk/module.h>
#include <k3dsdk/plugins.h>
#include <k3dsdk/transform.h>
#include <iterator>
namespace libk3dmesh
{
/////////////////////////////////////////////////////////////////////////////
// poly_grid_implementation
class poly_grid_implementation :
public k3d::material_collection<k3d::mesh_source<k3d::persistent<k3d::object> > >
{
typedef k3d::material_collection<k3d::mesh_source<k3d::persistent<k3d::object> > > base;
public:
poly_grid_implementation(k3d::idocument& Document) :
base(Document),
m_columns(k3d::init_name("columns") + k3d::init_description("Columns [integer]") + k3d::init_value(5) + k3d::init_document(Document) + k3d::init_constraint(k3d::constraint::minimum(1UL)) + k3d::init_precision(0) + k3d::init_step_increment(1) + k3d::init_units(typeid(k3d::measurement::scalar))),
m_rows(k3d::init_name("rows") + k3d::init_description("Rows [integer]") + k3d::init_value(5) + k3d::init_document(Document) + k3d::init_constraint(k3d::constraint::minimum(1UL)) + k3d::init_precision(0) + k3d::init_step_increment(1) + k3d::init_units(typeid(k3d::measurement::scalar))),
m_width(k3d::init_name("width") + k3d::init_description("Width [number]") + k3d::init_document(Document) + k3d::init_value(10.0) + k3d::init_precision(2) + k3d::init_step_increment(0.1) + k3d::init_units(typeid(k3d::measurement::distance))),
m_height(k3d::init_name("height") + k3d::init_description("Height [number]") + k3d::init_document(Document) + k3d::init_value(10.0) + k3d::init_precision(2) + k3d::init_step_increment(0.1) + k3d::init_units(typeid(k3d::measurement::distance)))
{
enable_serialization(k3d::persistence::proxy(m_rows));
enable_serialization(k3d::persistence::proxy(m_columns));
enable_serialization(k3d::persistence::proxy(m_width));
enable_serialization(k3d::persistence::proxy(m_height));
register_property(m_columns);
register_property(m_rows);
register_property(m_width);
register_property(m_height);
m_material.changed_signal().connect(SigC::slot(*this, &poly_grid_implementation::on_reset_geometry));
m_columns.changed_signal().connect(SigC::slot(*this, &poly_grid_implementation::on_reset_geometry));
m_rows.changed_signal().connect(SigC::slot(*this, &poly_grid_implementation::on_reset_geometry));
m_width.changed_signal().connect(SigC::slot(*this, &poly_grid_implementation::on_reset_geometry));
m_height.changed_signal().connect(SigC::slot(*this, &poly_grid_implementation::on_reset_geometry));
m_output_mesh.need_data_signal().connect(SigC::slot(*this, &poly_grid_implementation::on_create_geometry));
}
void on_reset_geometry()
{
m_output_mesh.reset();
}
k3d::mesh* on_create_geometry()
{
std::auto_ptr<k3d::mesh> mesh(new k3d::mesh());
mesh->polyhedra.push_back(new k3d::polyhedron());
k3d::polyhedron& polyhedron = *mesh->polyhedra.back();
polyhedron.material = m_material.interface();
const k3d::grid_results_t grid = k3d::add_grid(*mesh, polyhedron, m_rows.property_value(), m_columns.property_value(), false, false);
const boost::multi_array<k3d::point*, 2>& points = boost::get<0>(grid);
const unsigned long point_rows = m_rows.property_value() + 1;
const unsigned long point_columns = m_columns.property_value() + 1;
const double width = m_width.property_value();
const double height = m_height.property_value();
for(unsigned long row = 0; row != point_rows; ++row)
{
const double row_percent = 0.5 - (static_cast<double>(row) / static_cast<double>(point_rows-1));
for(unsigned long column = 0; column != point_columns; ++column)
{
const double column_percent = (static_cast<double>(column) / static_cast<double>(point_columns-1)) - 0.5;
points[row][column]->position = k3d::vector3(width * column_percent, height * row_percent, 0);
}
}
return_val_if_fail(is_valid(polyhedron), 0);
return mesh.release();
}
k3d::iplugin_factory& factory()
{
return get_factory();
}
static k3d::iplugin_factory& get_factory()
{
static k3d::plugin_factory<k3d::document_plugin<poly_grid_implementation>, k3d::interface_list<k3d::imesh_source > > factory(
k3d::uuid(0xacb3b4f8, 0x5cd6471c, 0xaed72686, 0xc576987c),
"PolyGrid",
"Generates a polygonal grid",
"Objects",
k3d::iplugin_factory::STABLE);
return factory;
}
private:
k3d_measurement_property(unsigned long, k3d::immutable_name, k3d::change_signal, k3d::with_undo, k3d::local_storage, k3d::with_constraint) m_columns;
k3d_measurement_property(unsigned long, k3d::immutable_name, k3d::change_signal, k3d::with_undo, k3d::local_storage, k3d::with_constraint) m_rows;
k3d_measurement_property(double, k3d::immutable_name, k3d::change_signal, k3d::with_undo, k3d::local_storage, k3d::no_constraint) m_width;
k3d_measurement_property(double, k3d::immutable_name, k3d::change_signal, k3d::with_undo, k3d::local_storage, k3d::no_constraint) m_height;
};
/////////////////////////////////////////////////////////////////////////////
// poly_grid_factory
k3d::iplugin_factory& poly_grid_factory()
{
return poly_grid_implementation::get_factory();
}
} // namespace libk3dmesh
|
