void draw_aliased()
{
pixfmt pixf(rbuf_window());
renderer_base rb(pixf);
renderer_bin ren_bin(rb);
agg::path_storage path;
path.move_to(m_x[0] - 200, m_y[0]);
path.line_to(m_x[1] - 200, m_y[1]);
path.line_to(m_x[2] - 200, m_y[2]);
path.close_polygon();
ren_bin.color(agg::rgba(0.1, 0.5, 0.7, m_alpha.value()));
m_ras.gamma(agg::gamma_threshold(m_gamma.value()));
m_ras.add_path(path);
agg::render_scanlines(m_ras, m_sl_bin, ren_bin);
//-- Drawing an outline with subpixel accuracy (aliased)
//typedef agg::renderer_primitives<renderer_base> renderer_pr;
//renderer_pr ren_pr(rb);
//agg::rasterizer_outline<renderer_pr> ras_line(ren_pr);
//ren_pr.line_color(agg::rgba(0.0, 0.0, 0.0));
//ras_line.add_path(path);
}
grid_vertex_adapter(PathType & path, T dx, T dy, box2d<T> box)
: dx_(dx), dy_(dy),
img_(create_bitmap(box)),
vt_(img_.width(), img_.height(), box),
si_(box.width() / dx, box.height() / dy)
{
transform_path<PathType, coord_type, view_transform> tp(path, vt_);
tp.rewind(0);
agg::rasterizer_scanline_aa<> ras;
ras.add_path(tp);
agg::rendering_buffer buf(img_.data(), img_.width(), img_.height(), img_.row_size());
agg::pixfmt_gray8 pixfmt(buf);
using renderer_base = agg::renderer_base<agg::pixfmt_gray8>;
using renderer_bin = agg::renderer_scanline_bin_solid<renderer_base>;
renderer_base rb(pixfmt);
renderer_bin ren_bin(rb);
ren_bin.color(agg::gray8(1));
agg::scanline_bin sl_bin;
agg::render_scanlines(ras, sl_bin, ren_bin);
}
