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// 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@k-3d.com)
*/
#include "colored_selection_painter_gl.h"
#include <k3d-i18n-config.h>
#include <k3dsdk/document_plugin_factory.h>
#include <k3dsdk/mesh_painter_gl.h>
#include <k3dsdk/painter_render_state_gl.h>
#include <k3dsdk/painter_selection_state_gl.h>
#include <k3dsdk/polyhedron.h>
#include <k3dsdk/selection.h>
#include <boost/scoped_ptr.hpp>
namespace module
{
namespace opengl
{
namespace painters
{
/////////////////////////////////////////////////////////////////////////////
// edge_painter
class edge_painter :
public colored_selection_painter
{
typedef colored_selection_painter base;
public:
edge_painter(k3d::iplugin_factory& Factory, k3d::idocument& Document) :
base(Factory, Document)
{
}
void on_paint_mesh(const k3d::mesh& Mesh, const k3d::gl::painter_render_state& RenderState, k3d::iproperty::changed_signal_t& ChangedSignal)
{
for(k3d::mesh::primitives_t::const_iterator primitive = Mesh.primitives.begin(); primitive != Mesh.primitives.end(); ++primitive)
{
boost::scoped_ptr<k3d::polyhedron::const_primitive> polyhedron(k3d::polyhedron::validate(Mesh, **primitive));
if(!polyhedron.get())
continue;
const k3d::mesh::points_t& points = *Mesh.points;
k3d::gl::store_attributes attributes;
glDisable(GL_LIGHTING);
const k3d::color color = RenderState.node_selection ? selected_mesh_color() : unselected_mesh_color(RenderState.parent_selection);
const k3d::color selected_color = RenderState.show_component_selection ? selected_component_color() : color;
const k3d::uint_t edge_count = polyhedron->clockwise_edges.size();
glBegin(GL_LINES);
// Render selected split-edges before unselected, so the selection is always visible
k3d::gl::color3d(selected_color);
for(k3d::uint_t edge = 0; edge != edge_count; ++edge)
{
if(!polyhedron->edge_selections[edge])
continue;
k3d::gl::vertex3d(points[polyhedron->vertex_points[edge]]);
k3d::gl::vertex3d(points[polyhedron->vertex_points[polyhedron->clockwise_edges[edge]]]);
}
k3d::gl::color3d(color);
for(k3d::uint_t edge = 0; edge != edge_count; ++edge)
{
if(polyhedron->edge_selections[edge])
continue;
k3d::gl::vertex3d(points[polyhedron->vertex_points[edge]]);
k3d::gl::vertex3d(points[polyhedron->vertex_points[polyhedron->clockwise_edges[edge]]]);
}
glEnd();
}
}
void on_select_mesh(const k3d::mesh& Mesh, const k3d::gl::painter_render_state& RenderState, const k3d::gl::painter_selection_state& SelectionState, k3d::iproperty::changed_signal_t& ChangedSignal)
{
if(!SelectionState.select_component.count(k3d::selection::EDGE))
return;
k3d::uint_t primitive_index = 0;
for(k3d::mesh::primitives_t::const_iterator primitive = Mesh.primitives.begin(); primitive != Mesh.primitives.end(); ++primitive, ++primitive_index)
{
boost::scoped_ptr<k3d::polyhedron::const_primitive> polyhedron(k3d::polyhedron::validate(Mesh, **primitive));
if(!polyhedron.get())
continue;
k3d::gl::push_selection_token(k3d::selection::PRIMITIVE, primitive_index);
const k3d::mesh::points_t& points = *Mesh.points;
k3d::gl::store_attributes attributes;
glDisable(GL_LIGHTING);
const k3d::uint_t edge_count = polyhedron->clockwise_edges.size();
for(k3d::uint_t edge = 0; edge != edge_count; ++edge)
{
k3d::gl::push_selection_token(k3d::selection::EDGE, edge);
glBegin(GL_LINES);
k3d::gl::vertex3d(points[polyhedron->vertex_points[edge]]);
k3d::gl::vertex3d(points[polyhedron->vertex_points[polyhedron->clockwise_edges[edge]]]);
glEnd();
k3d::gl::pop_selection_token(); // EDGE
}
k3d::gl::pop_selection_token(); // PRIMITIVE
}
}
static k3d::iplugin_factory& get_factory()
{
static k3d::document_plugin_factory<edge_painter, k3d::interface_list<k3d::gl::imesh_painter > > factory(
k3d::uuid(0xb1260f93, 0xe16e4ab2, 0xbd6a7cbd, 0x85ddca8b),
"OpenGLEdgePainter",
_("Renders mesh edges (OpenGL 1.1)"),
"OpenGL Painter",
k3d::iplugin_factory::STABLE);
return factory;
}
};
/////////////////////////////////////////////////////////////////////////////
// edge_painter_factory
k3d::iplugin_factory& edge_painter_factory()
{
return edge_painter::get_factory();
}
} // namespace painters
} // namespace opengl
} // namespace module
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