virtual void on_draw()
{
typedef agg::renderer_base<pixfmt> base_ren_type;
pixfmt pf(rbuf_window());
base_ren_type ren_base(pf);
ren_base.clear(agg::rgba(1,1,1));
agg::scanline_u8 sl;
agg::rasterizer_scanline_aa<> ras;
render_gouraud(sl, ras);
ras.gamma(agg::gamma_none());
agg::render_ctrl(ras, sl, ren_base, m_dilation);
agg::render_ctrl(ras, sl, ren_base, m_gamma);
agg::render_ctrl(ras, sl, ren_base, m_alpha);
}
virtual void on_mouse_button_down(int x, int y, unsigned flags)
{
unsigned i;
if(flags & agg::mouse_right)
{
agg::scanline_u8 sl;
agg::rasterizer_scanline_aa<> ras;
start_timer();
for(i = 0; i < 100; i++)
{
render_gouraud(sl, ras);
}
char buf[100];
sprintf(buf, "Time=%2.2f ms", elapsed_time());
message(buf);
}
if(flags & agg::mouse_left)
{
for (i = 0; i < 3; i++)
{
if(sqrt( (x-m_x[i]) * (x-m_x[i]) + (y-m_y[i]) * (y-m_y[i]) ) < 10.0)
{
m_dx = x - m_x[i];
m_dy = y - m_y[i];
m_idx = i;
break;
}
}
if(i == 3)
{
if(agg::point_in_triangle(m_x[0], m_y[0],
m_x[1], m_y[1],
m_x[2], m_y[2],
x, y))
{
m_dx = x - m_x[0];
m_dy = y - m_y[0];
m_idx = 3;
}
}
}
}
