//------------------------------------------------------------------------
gamma_ctrl_impl::gamma_ctrl_impl(double x1, double y1, double x2, double y2, bool flip_y) :
ctrl(x1, y1, x2, y2, flip_y),
m_border_width(2.0),
m_border_extra(0.0),
m_curve_width(2.0),
m_grid_width(0.2),
m_text_thickness(1.5),
m_point_size(5.0),
m_text_height(9.0),
m_text_width(0.0),
m_xc1(x1),
m_yc1(y1),
m_xc2(x2),
m_yc2(y2 - m_text_height * 2.0),
m_xt1(x1),
m_yt1(y2 - m_text_height * 2.0),
m_xt2(x2),
m_yt2(y2),
m_curve_poly(m_gamma_spline),
m_text_poly(m_text),
m_idx(0),
m_vertex(0),
m_p1_active(true),
m_mouse_point(0),
m_pdx(0.0),
m_pdy(0.0)
{
calc_spline_box();
}
//------------------------------------------------------------------------
spline_ctrl_impl::spline_ctrl_impl(double x1, double y1, double x2, double y2,
unsigned num_pnt, bool flip_y) :
ctrl(x1, y1, x2, y2, flip_y),
m_num_pnt(num_pnt),
m_border_width(1.0),
m_border_extra(0.0),
m_curve_width(1.0),
m_point_size(3.0),
m_curve_poly(m_curve_pnt),
m_idx(0),
m_vertex(0),
m_active_pnt(-1),
m_move_pnt(-1),
m_pdx(0.0),
m_pdy(0.0)
{
if(m_num_pnt < 4) m_num_pnt = 4;
if(m_num_pnt > 32) m_num_pnt = 32;
unsigned i;
for(i = 0; i < m_num_pnt; i++)
{
m_xp[i] = double(i) / double(m_num_pnt - 1);
m_yp[i] = 0.5;
}
calc_spline_box();
update_spline();
}
//------------------------------------------------------------------------
void gamma_ctrl_impl::text_size(double h, double w) {
m_text_width = w;
m_text_height = h;
m_yc2 = m_y2 - m_text_height * 2.0;
m_yt1 = m_y2 - m_text_height * 2.0;
calc_spline_box();
}
//------------------------------------------------------------------------
void spline_ctrl_impl::border_width(double t, double extra)
{
m_border_width = t;
m_border_extra = extra;
calc_spline_box();
}
