void CatmulRom::draw()
{
double scale = 1;
double scale2 = 1;
// double scale2 = 1 * cos(90) + 2;
if (size() < 2) return;
int i, n;
QVector3D p0, p1, prev;
QMatrix3x3 cur_frame, prev_frame;
// Draw curve
if (size() >= 4 && m_draw_curve)
{
p0 = points[1];
prev = p0;
prev_frame = calculate_frame(p0, prev);
for (n = 1; n < size() -2 ; n++)
{
for (i = 0; i < SAMPLES; i++)
{
scale2 = cos(((double)360 / size() -2 ) * n + i) + 2;
glColor3f(m_curve_color.x(), m_curve_color.y(), m_curve_color.z());
p1 = point_on_curve(points[n - 1],
points[n], points[n + 1],
points[n + 2], (1.0f/SAMPLES) * i);
cur_frame = calculate_frame(p0, p1);
if (m_shape.size() > 2 && m_draw_solid) draw_cross_section(p0, cur_frame,
prev, prev_frame,
scale, scale2);
else DrawLib::drawLine(p0, p1);
m_cube.draw();
prev = p0; p0 = p1; prev_frame = cur_frame; scale = scale2;
}
}
}
}
//=============================================================================
void slit_info::process_broam(const char *temp, int f)
{
if (f & BBP_BROAM_HANDLED)
{
if (f & BBP_BROAM_METRICS)
calculate_frame();
show_menu(false);
return;
}
if (BBP_broam_int(this, temp, "baseWidth", &baseWidth))
{
calculate_frame();
show_menu(false);
return;
}
if (BBP_broam_int(this, temp, "alignment", &alignment))
{
calculate_frame();
show_menu(false);
return;
}
if (BBP_broam_int(this, temp, "order", &order))
{
calculate_frame();
show_menu(false);
return;
}
if (BBP_broam_bool(this, temp, "setMargin", &setMargin))
{
pos_changed();
show_menu(false);
return;
}
}
void Frame::draw( cairo_t *cairo )
{
#ifdef DEBUG_FRAME
std::cout << "\nFRAME::DRAW()\n\n";
std::cout << "width = " << _width << "\n";
std::cout << "height = " << _height << "\n";
#endif
// Build colormap legend
build_colormap_legend();
// Draw background
cairo_rectangle( cairo, _offx, _offy, _width, _height );
cairo_set_source_rgb( cairo, _bg[0], _bg[1], _bg[2] );
cairo_fill( cairo );
// Get drawable bounding boxes and set ruler ranges
calculate_autoranging();
// Calculate frame location and size
calculate_frame( cairo );
// Draw contents with clipping on
set_frame_clipping( cairo );
for( size_t a = 0; a < _dobj.size(); a++ ) {
cairo_save( cairo );
PlotAxis xaxis = _dobj[a]._xaxis;
PlotAxis yaxis = _dobj[a]._yaxis;
double range[4];
_ruler[xaxis].get_ranges( range[0], range[2] );
_ruler[yaxis].get_ranges( range[1], range[3] );
Coordmapper cm( _cm[xaxis], _cm[yaxis] );
_dobj[a]._graph->plot( cairo, &cm, range );
cairo_restore( cairo );
}
unset_frame_clipping( cairo );
draw_legend( cairo );
draw_colormap_legend( cairo );
// Draw frame (on top of user drawn image)
draw_frame( cairo );
}
void CatmulRom::timestep()
{
QVector3D p0, p1;
if (size() < 4) return;
if (m_animation_step == 0 && m_animation_vertex == 1)
{
p0 = points[m_animation_vertex];
}
else
p0 = m_anim_p0;
if (m_animation_vertex >= size() - 2)
{
m_animation_vertex = 1;
m_animation_step = 0;
p0 = points[m_animation_vertex];
}
else
{
if (m_animation_step >= SAMPLES)
{
m_animation_step = 0;
m_animation_vertex++;
}
else
{
m_animation_step++;
}
}
p1 = point_on_curve(points[m_animation_vertex - 1], points[m_animation_vertex ],
points[m_animation_vertex + 1], points[m_animation_vertex + 2],
(1.0f/SAMPLES) * m_animation_step);
m_cube.set_orientation(calculate_frame(p0, p1));
m_cube.set_position(p1);
p0 = p1;
m_anim_p0 = p0;
}
