void parse_svg(const char* fname) { agg::svg::parser p(m_path); p.parse(fname); m_path.arrange_orientations(); m_path.bounding_rect(&m_min_x, &m_min_y, &m_max_x, &m_max_y); caption(p.title()); }
virtual void on_draw() { typedef agg::pixfmt_bgra32 pixfmt; typedef agg::renderer_base<pixfmt> renderer_base; typedef agg::renderer_scanline_aa_solid<renderer_base> renderer_solid; pixfmt pixf(rbuf_window()); renderer_base rb(pixf); renderer_solid ren(rb); rb.clear(agg::rgba(1,1,1)); agg::rasterizer_scanline_aa<> ras; agg::scanline_p8 sl; agg::trans_affine mtx; ras.gamma(agg::gamma_power(m_gamma.value())); mtx *= agg::trans_affine_translation((m_min_x + m_max_x) * -0.5, (m_min_y + m_max_y) * -0.5); mtx *= agg::trans_affine_scaling(m_scale.value()); mtx *= agg::trans_affine_rotation(agg::deg2rad(m_rotate.value())); mtx *= agg::trans_affine_translation((m_min_x + m_max_x) * 0.5 + m_x, (m_min_y + m_max_y) * 0.5 + m_y + 30); m_path.expand(m_expand.value()); m_path.render(ras, sl, ren, mtx, rb.clip_box(), 1.0); ras.gamma(agg::gamma_none()); agg::render_ctrl(ras, sl, ren, m_expand); agg::render_ctrl(ras, sl, ren, m_gamma); agg::render_ctrl(ras, sl, ren, m_scale); agg::render_ctrl(ras, sl, ren, m_rotate); //agg::gamma_lut<> gl(m_gamma.value()); //unsigned x, y; //unsigned w = unsigned(width()); //unsigned h = unsigned(height()); //for(y = 0; y < h; y++) //{ // for(x = 0; x < w; x++) // { // agg::rgba8 c = rb.pixel(x, y); // c.r = gl.inv(c.r); // c.g = gl.inv(c.g); // c.b = gl.inv(c.b); // rb.copy_pixel(x, y, c); // } //} }
virtual void on_draw() { typedef agg::pixfmt_bgra32 pixfmt; typedef agg::renderer_base<pixfmt> renderer_base; typedef agg::renderer_scanline_aa_solid<renderer_base> renderer_solid; pixfmt pixf(rbuf_window()); renderer_base rb(pixf); renderer_solid ren(rb); rb.clear(agg::rgba(1,1,1)); agg::rasterizer_scanline_aa<> ras; agg::scanline_p8 sl; agg::trans_affine mtx; ras.gamma(agg::gamma_power(m_gamma.value())); mtx *= agg::trans_affine_translation((m_min_x + m_max_x) * -0.5, (m_min_y + m_max_y) * -0.5); mtx *= agg::trans_affine_scaling(m_scale.value()); mtx *= agg::trans_affine_rotation(agg::deg2rad(m_rotate.value())); mtx *= agg::trans_affine_translation((m_min_x + m_max_x) * 0.5 + m_x, (m_min_y + m_max_y) * 0.5 + m_y + 30); m_path.expand(m_expand.value()); start_timer(); m_path.render(ras, sl, ren, mtx, rb.clip_box(), 1.0); double tm = elapsed_time(); unsigned vertex_count = m_path.vertex_count(); ras.gamma(agg::gamma_none()); agg::render_ctrl(ras, sl, rb, m_expand); agg::render_ctrl(ras, sl, rb, m_gamma); agg::render_ctrl(ras, sl, rb, m_scale); agg::render_ctrl(ras, sl, rb, m_rotate); char buf[128]; agg::gsv_text t; t.size(10.0); t.flip(true); agg::conv_stroke<agg::gsv_text> pt(t); pt.width(1.5); sprintf(buf, "Vertices=%d Time=%.3f ms", vertex_count, tm); t.start_point(10.0, 40.0); t.text(buf); ras.add_path(pt); ren.color(agg::rgba(0,0,0)); agg::render_scanlines(ras, sl, ren); //agg::gamma_lut<> gl(m_gamma.value()); //unsigned x, y; //unsigned w = unsigned(width()); //unsigned h = unsigned(height()); //for(y = 0; y < h; y++) //{ // for(x = 0; x < w; x++) // { // agg::rgba8 c = rb.pixel(x, y); // c.r = gl.inv(c.r); // c.g = gl.inv(c.g); // c.b = gl.inv(c.b); // rb.copy_pixel(x, y, c); // } //} }