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// 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)
\author Romain Behar (romainbehar@yahoo.com)
*/
#include <k3dsdk/axis.h>
#include <k3dsdk/imaterial.h>
#include <k3dsdk/object.h>
#include <k3dsdk/persistence.h>
#include <k3dsdk/measurement.h>
#include <k3dsdk/mesh_filter.h>
#include <k3dsdk/module.h>
#include <k3dsdk/mouse_event_observer.h>
#include <k3dsdk/plugins.h>
#include <k3dsdk/selection.h>
#include <k3dsdk/transform.h>
#include <iterator>
namespace libk3ddeformation
{
/////////////////////////////////////////////////////////////////////////////
// rotate_points_implementation
class rotate_points_implementation :
public k3d::mesh_filter<k3d::persistent<k3d::object> >,
public k3d::mouse_event_observer
{
typedef k3d::mesh_filter<k3d::persistent<k3d::object> > base;
public:
rotate_points_implementation(k3d::idocument& Document) :
base(Document),
k3d::mouse_event_observer("LMB drag to rotate points"),
m_x(k3d::init_name("x") + k3d::init_description("X rotate [number]") + k3d::init_document(Document) + k3d::init_value(0.0) + k3d::init_precision(2) + k3d::init_step_increment(k3d::radians(1.0)) + k3d::init_units(typeid(k3d::measurement::angle))),
m_y(k3d::init_name("y") + k3d::init_description("Y rotate [number]") + k3d::init_document(Document) + k3d::init_value(0.0) + k3d::init_precision(2) + k3d::init_step_increment(k3d::radians(1.0)) + k3d::init_units(typeid(k3d::measurement::angle))),
m_z(k3d::init_name("z") + k3d::init_description("Z rotate [number]") + k3d::init_document(Document) + k3d::init_value(0.0) + k3d::init_precision(2) + k3d::init_step_increment(k3d::radians(1.0)) + k3d::init_units(typeid(k3d::measurement::angle)))
{
enable_serialization(k3d::persistence::proxy(m_x));
enable_serialization(k3d::persistence::proxy(m_y));
enable_serialization(k3d::persistence::proxy(m_z));
register_property(m_x);
register_property(m_y);
register_property(m_z);
m_input_mesh.changed_signal().connect(SigC::slot(*this, &rotate_points_implementation::on_reset_geometry));
m_x.changed_signal().connect(SigC::slot(*this, &rotate_points_implementation::on_reshape_geometry));
m_y.changed_signal().connect(SigC::slot(*this, &rotate_points_implementation::on_reshape_geometry));
m_z.changed_signal().connect(SigC::slot(*this, &rotate_points_implementation::on_reshape_geometry));
m_output_mesh.need_data_signal().connect(SigC::slot(*this, &rotate_points_implementation::on_create_geometry));
}
bool OnLButtonDrag(const k3d::imouse_event_observer::event_state& State, const k3d::vector2& Current, const k3d::vector2& Last, const k3d::vector2& Start, const drag_type_t DragType)
{
// Compute changes along each axis ...
double dx = 0.0;
double dy = 0.0;
double dz = 0.0;
// Some useful quantities ...
const double mousex = (Current[0] - Last[0]) * k3d::pi();
const double mousey = (Current[1] - Last[1]) * -k3d::pi();
const double mouse = fabs(mousex) > fabs(mousey) ? mousex : mousey;
// If the user holds down either shift key, constrain rotate factors to be equal ...
if(State.modifiers.shift())
{
dx = dy = dz = mouse;
}
// If the user holds down either control key, only rotate along the active axis ...
else if(State.modifiers.control())
{
switch(State.active_axis)
{
case k3d::X:
dx = mouse;
break;
case k3d::Y:
dy = mouse;
break;
case k3d::Z:
dz = mouse;
break;
default:
assert_warning(0);
}
}
// Otherwise, rotate along the two non-active axes ...
else
{
switch(State.active_axis)
{
case k3d::X:
dz = mousex;
dy = mousey;
break;
case k3d::Y:
dx = mousex;
dz = mousey;
break;
case k3d::Z:
dx = mousex;
dy = mousey;
break;
default:
assert_warning(0);
}
}
m_x.set_value(m_x.value() + dx);
m_y.set_value(m_y.value() + dy);
m_z.set_value(m_z.value() + dz);
return true;
}
void on_reset_geometry()
{
m_output_mesh.reset();
}
void on_reshape_geometry()
{
if(m_output_mesh.empty())
return;
const k3d::mesh* const input = m_input_mesh.property_value();
if(!input)
return;
k3d::mesh* const output = const_cast<k3d::mesh*>(m_output_mesh.value());
if(!output)
return;
reshape_geometry(*input, *output);
m_output_mesh.changed_signal().emit();
}
k3d::mesh* on_create_geometry()
{
// If we don't have any input mesh, we're done ...
const k3d::mesh* const input = m_input_mesh.property_value();
if(!input)
return 0;
// Otherwise, we make a copy of the input mesh and modify the copy ...
k3d::mesh* const output = new k3d::mesh();
k3d::deep_copy(*input, *output);
reshape_geometry(*input, *output);
return output;
}
void reshape_geometry(const k3d::mesh& Source, k3d::mesh& Target)
{
// Sanity checks ...
assert(Source.points.size() == Target.points.size());
// Scale points ...
const bool ignore_selection = !k3d::contains_selection(Source);
const k3d::matrix4 matrix = k3d::rotation3D(k3d::vector3(m_x.property_value(), m_y.property_value(), m_z.property_value()));
for(unsigned long i = 0; i != Target.points.size(); ++i)
{
if(ignore_selection || Source.points[i]->selected)
{
Target.points[i]->position = matrix * Source.points[i]->position;
}
else
{
Target.points[i]->position = Source.points[i]->position;
}
}
}
k3d::iplugin_factory& factory()
{
return get_factory();
}
static k3d::iplugin_factory& get_factory()
{
static k3d::plugin_factory<
k3d::document_plugin<rotate_points_implementation>,
k3d::interface_list<k3d::imesh_source,
k3d::interface_list<k3d::imesh_sink > > > factory(
k3d::uuid(0x89a6a016, 0x3db04f26, 0xb626bb37, 0x6c812533),
"RotatePoints",
"Rotates mesh points",
"Objects",
k3d::iplugin_factory::STABLE);
return factory;
}
private:
k3d_measurement_property(double, k3d::immutable_name, k3d::change_signal, k3d::with_undo, k3d::local_storage, k3d::no_constraint) m_x;
k3d_measurement_property(double, k3d::immutable_name, k3d::change_signal, k3d::with_undo, k3d::local_storage, k3d::no_constraint) m_y;
k3d_measurement_property(double, k3d::immutable_name, k3d::change_signal, k3d::with_undo, k3d::local_storage, k3d::no_constraint) m_z;
};
/////////////////////////////////////////////////////////////////////////////
// rotate_points_factory
k3d::iplugin_factory& rotate_points_factory()
{
return rotate_points_implementation::get_factory();
}
} // namespace libk3ddeformation
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