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// K-3D
// Copyright (c) 1995-2007, 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 <k3d-i18n-config.h>
#include <k3dsdk/document_plugin_factory.h>
#include <k3dsdk/linear_curve.h>
#include <k3dsdk/mesh_painter_gl.h>
#include <k3dsdk/painter_render_state_gl.h>
#include <k3dsdk/painter_selection_state_gl.h>
#include <k3dsdk/selection.h>
#include <boost/scoped_ptr.hpp>
namespace module
{
namespace opengl
{
namespace painters
{
/////////////////////////////////////////////////////////////////////////////
// linear_curve_painter
class linear_curve_painter :
public k3d::gl::mesh_painter
{
typedef k3d::gl::mesh_painter base;
public:
linear_curve_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::linear_curve::const_primitive> linear_curve(k3d::linear_curve::validate(Mesh, **primitive));
if(!linear_curve)
continue;
const k3d::mesh::points_t& points = *Mesh.points;
k3d::gl::store_attributes attributes;
glDisable(GL_LIGHTING);
const k3d::color color = RenderState.node_selection ? k3d::color(1, 1, 1) : k3d::color(0, 0, 0);
const k3d::color selected_color = RenderState.show_component_selection ? k3d::color(1, 0, 0) : color;
const GLenum curve_wrap = linear_curve->periodic[0] ? GL_LINE_LOOP : GL_LINE_STRIP;
const k3d::uint_t curve_begin = 0;
const k3d::uint_t curve_end = curve_begin + linear_curve->curve_first_points.size();
for(k3d::uint_t curve = curve_begin; curve != curve_end; ++curve)
{
const k3d::uint_t curve_point_begin = linear_curve->curve_first_points[curve];
const k3d::uint_t curve_point_end = curve_point_begin + linear_curve->curve_point_counts[curve];
k3d::gl::color3d(linear_curve->curve_selections[curve] ? selected_color : color);
glBegin(curve_wrap);
for(k3d::uint_t curve_point = curve_point_begin; curve_point != curve_point_end; ++curve_point)
k3d::gl::vertex3d(points[linear_curve->curve_points[curve_point]]);
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::CURVE))
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::linear_curve::const_primitive> linear_curve(k3d::linear_curve::validate(Mesh, **primitive));
if(!linear_curve)
continue;
const k3d::mesh::points_t& points = *Mesh.points;
k3d::gl::store_attributes attributes;
glDisable(GL_LIGHTING);
k3d::gl::push_selection_token(k3d::selection::PRIMITIVE, primitive_index);
const GLenum curve_wrap = linear_curve->periodic[0] ? GL_LINE_LOOP : GL_LINE_STRIP;
const k3d::uint_t curve_begin = 0;
const k3d::uint_t curve_end = curve_begin + linear_curve->curve_first_points.size();
for(k3d::uint_t curve = curve_begin; curve != curve_end; ++curve)
{
k3d::gl::push_selection_token(k3d::selection::CURVE, curve);
const k3d::uint_t curve_point_begin = linear_curve->curve_first_points[curve];
const k3d::uint_t curve_point_end = curve_point_begin + linear_curve->curve_point_counts[curve];
glBegin(curve_wrap);
for(k3d::uint_t curve_point = curve_point_begin; curve_point != curve_point_end; ++curve_point)
k3d::gl::vertex3d(points[linear_curve->curve_points[curve_point]]);
glEnd();
k3d::gl::pop_selection_token(); // CURVE
}
k3d::gl::pop_selection_token(); // PRIMITIVE
}
}
static k3d::iplugin_factory& get_factory()
{
static k3d::document_plugin_factory<linear_curve_painter, k3d::interface_list<k3d::gl::imesh_painter > > factory(
k3d::uuid(0x6acd1d8e, 0x954f4b3a, 0xbce4c296, 0x523ebacd),
"OpenGLLinearCurvePainter",
_("Renders linear curves"),
"OpenGL Painter",
k3d::iplugin_factory::STABLE);
return factory;
}
};
/////////////////////////////////////////////////////////////////////////////
// linear_curve_painter_factory
k3d::iplugin_factory& linear_curve_painter_factory()
{
return linear_curve_painter::get_factory();
}
} // namespace painters
} // namespace opengl
} // namespace module
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