Esempio n. 1
0
    template<class VertexSource> void generate_alpha_mask(VertexSource& vs)
    {
        unsigned cx = (unsigned)width();
        unsigned cy = (unsigned)height();

        delete [] m_alpha_buf;
        m_alpha_buf = new unsigned char[cx * cy];
        m_alpha_mask_rbuf.attach(m_alpha_buf, cx, cy, cx);

        typedef agg::renderer_base<agg::pixfmt_gray8> ren_base;
        typedef agg::renderer_scanline_aa_solid<ren_base> renderer;

        agg::pixfmt_gray8 pixf(m_alpha_mask_rbuf);
        ren_base rb(pixf);
        renderer ren(rb);

        start_timer();
        if(m_operation.cur_item() == 0)
        {
            rb.clear(agg::gray8(0));
            ren.color(agg::gray8(255));
        }
        else 
        {
            rb.clear(agg::gray8(255));
            ren.color(agg::gray8(0));
        }
        m_ras.add_path(vs);
        agg::render_scanlines(m_ras, m_sl, ren);
        double t1 = elapsed_time();

        char buf[100];
        sprintf(buf, "Generate AlphaMask: %.3fms", t1);
        draw_text(250, 20, buf);
    }
Esempio n. 2
0
void pathAttr::addPath<agg::rasterizer_scanline_aa<> >(agg::rasterizer_scanline_aa<>& ras,
                                                       agg::path_storage* path, 
                                                       const agg::trans_affine& tr)
{
    apply(path, tr, 1.0);
    
    if (mCommand == stroke) {
        if (mIsoWidthFlag) {
            ras.add_path(transCurvedStroked, mIndex);
        } else {
            ras.add_path(curvedStrokedTrans, mIndex);
        }
    } else {
        ras.add_path(transCurved, mIndex);
    }
}
Esempio n. 3
0
    void perform_rendering(VertexSource& vs)
    {
        pixfmt_type pixf(rbuf_window());

        typedef agg::pixfmt_amask_adaptor<pixfmt_type, alpha_mask_type> pixfmt_amask_type;
        typedef agg::renderer_base<pixfmt_amask_type>                   amask_ren_type;


        pixfmt_amask_type pixfa(pixf, m_alpha_mask);
        amask_ren_type rbase(pixfa);
        agg::renderer_scanline_aa_solid<amask_ren_type> ren(rbase);

        ren.color(agg::rgba(0.5, 0.0, 0, 0.5));

        start_timer();
        m_ras.reset();
        m_ras.add_path(vs);
        agg::render_scanlines(m_ras, m_sl, ren);
        double t1 = elapsed_time();


        char buf[100];
        sprintf(buf, "Render with AlphaMask: %.3fms", t1);
        draw_text(250, 5, buf);
    }
Esempio n. 4
0
    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);
    }
Esempio n. 5
0
    void generate_alpha_mask(int cx, int cy)
    {
        delete [] m_alpha_buf;
        m_alpha_buf = new unsigned char[cx * cy];
        g_alpha_mask_rbuf.attach(m_alpha_buf, cx, cy, cx);

        typedef agg::renderer_base<agg::pixfmt_gray8> ren_base;
        typedef agg::renderer_scanline_aa_solid<ren_base> renderer;

        agg::pixfmt_gray8 pixf(g_alpha_mask_rbuf);
        ren_base rb(pixf);
        renderer r(rb);
        agg::scanline_p8 sl;

        rb.clear(agg::gray8(0));

        agg::ellipse ell;

        int i;
        for(i = 0; i < 10; i++)
        {
            ell.init(rand() % cx, 
                     rand() % cy, 
                     rand() % 100 + 20, 
                     rand() % 100 + 20,
                     100);

            g_rasterizer.add_path(ell);
            r.color(agg::gray8(rand() & 0xFF, rand() & 0xFF));
            agg::render_scanlines(g_rasterizer, sl, r);
        }
    }
Esempio n. 6
0
    //------------------------------------------------------------------------
    void generate_pattern()
    {
        unsigned size = unsigned(m_pattern_size.value());

        create_star(m_pattern_size.value() / 2.0, 
                    m_pattern_size.value() / 2.0, 
                    m_pattern_size.value() / 2.5, 
                    m_pattern_size.value() / 6.0, 
                    6,
                    m_pattern_angle.value());

        agg::conv_smooth_poly1_curve<agg::path_storage> smooth(m_ps);
        agg::conv_stroke<agg::conv_smooth_poly1_curve<agg::path_storage> > stroke(smooth);

        smooth.smooth_value(1.0);
        smooth.approximation_scale(4.0);
        stroke.width(m_pattern_size.value() / 15.0);

        delete [] m_pattern;
        m_pattern = new agg::int8u[size * size * pixfmt::pix_width];
        m_pattern_rbuf.attach(m_pattern, size, size, size * pixfmt::pix_width);

        pixfmt pixf(m_pattern_rbuf);
        agg::renderer_base<pixfmt> rb(pixf);
        agg::renderer_scanline_aa_solid<agg::renderer_base<pixfmt> > rs(rb);

        rb.clear(agg::rgba_pre(0.4, 0.0, 0.1, m_pattern_alpha.value())); // Pattern background color

        m_ras.add_path(smooth);
        rs.color(agg::srgba8(110,130,50));
        agg::render_scanlines(m_ras, m_sl, rs);

        m_ras.add_path(stroke);
        rs.color(agg::srgba8(0,50,80));
        agg::render_scanlines(m_ras, m_sl, rs);
    }
Esempio n. 7
0
  void draw_text(double x, double y, const char* str) {
    pixfmt_type pf(rbuf_window());
    agg::renderer_base<pixfmt_type> rb(pf);
    agg::renderer_scanline_aa_solid<agg::renderer_base<pixfmt_type> > ren(rb);

    agg::gsv_text txt;
    agg::conv_stroke<agg::gsv_text> txt_stroke(txt);
    txt_stroke.width(1.5);
    txt_stroke.line_cap(agg::round_cap);
    txt.size(10.0);
    txt.start_point(x, y);
    txt.text(str);
    m_ras.add_path(txt_stroke);
    ren.color(agg::rgba(0.0, 0.0, 0.0));
    agg::render_scanlines(m_ras, m_sl, ren);
  }
Esempio n. 8
0
    void draw_anti_aliased()
    {
        pixfmt pixf(rbuf_window());
        renderer_base rb(pixf);
        renderer_aa ren_aa(rb);

        agg::path_storage path;

        path.move_to(m_x[0], m_y[0]);
        path.line_to(m_x[1], m_y[1]);
        path.line_to(m_x[2], m_y[2]);
        path.close_polygon();

        ren_aa.color(agg::rgba(0.7, 0.5, 0.1, m_alpha.value()));

        m_ras.gamma(agg::gamma_power(m_gamma.value() * 2.0));
        m_ras.add_path(path);
        agg::render_scanlines(m_ras, m_sl_p8, ren_aa);
    }
Esempio n. 9
0
void roadmap_canvas_draw_multiple_circles
        (int count, RoadMapGuiPoint *centers, int *radius, int filled,
         int fast_draw) {

   int i;

   static agg::path_storage path;

   for (i = 0; i < count; ++i) {

      int r = radius[i];

      int x = centers[i].x;
      int y = centers[i].y;

      agg::ellipse e( x, y, r, r);
      path.concat_path(e);

      if (filled) {

         ras.reset();
         ras.add_path(path);
         ren_solid.color(CurrentPen->color);
         agg::render_scanlines( ras, sl, ren_solid);

/*      } else if (fast_draw) {
         renderer_pr ren_pr(agg_renb);
         agg::rasterizer_outline<renderer_pr> ras_line(ren_pr);
         ren_pr.line_color(CurrentPen->color);
         ras_line.add_path(path);
*/
      } else {

         raso.add_path(path);
      }

      path.remove_all ();
   }
}
Esempio n. 10
0
    void radial_shape(RenBase& rbase, const ColorRamp& colors,
                      double x1, double y1, double x2, double y2)
    {
        typedef RenBase renderer_base_type;
        typedef agg::gradient_radial gradient_func_type;
        typedef ColorRamp color_func_type;
        typedef agg::span_interpolator_linear<> interpolator_type;
        typedef agg::span_allocator<color> span_allocator_type;
        typedef agg::span_gradient<color, 
                                   interpolator_type, 
                                   gradient_func_type, 
                                   color_func_type> span_gradient_type;

        gradient_func_type  gradient_func;                   // The gradient function
        agg::trans_affine   gradient_mtx;
        interpolator_type   span_interpolator(gradient_mtx); // Span interpolator
        span_allocator_type span_allocator;                  // Span Allocator
        span_gradient_type  span_gradient(span_interpolator, 
                                          gradient_func, 
                                          colors, 
                                          0, 100);

        double cx = (x1 + x2) / 2.0;
        double cy = (y1 + y2) / 2.0;
        double r  = 0.5 * (((x2 - x1) < (y2 - y1)) ? (x2 - x1) : (y2 - y1));

        gradient_mtx *= agg::trans_affine_scaling(r / 100.0);
        gradient_mtx *= agg::trans_affine_translation(cx, cy);
        gradient_mtx *= trans_affine_resizing();
        gradient_mtx.invert();

        agg::ellipse ell(cx, cy, r, r, 100);
        agg::conv_transform<agg::ellipse> trans(ell, trans_affine_resizing());
        m_ras.add_path(trans);

        agg::render_scanlines_aa(m_ras, m_sl, rbase, span_allocator, span_gradient);
    }
Esempio n. 11
0
    //------------------------------------------------------------------------
    virtual void on_mouse_button_down(int x, int y, unsigned flags)
    {
        if(flags & agg::mouse_left)
        {
            agg::trans_affine polygon_mtx;

            polygon_mtx *= agg::trans_affine_translation(-m_polygon_cx, -m_polygon_cy);
            polygon_mtx *= agg::trans_affine_rotation(m_polygon_angle.value() * agg::pi / 180.0);
            polygon_mtx *= agg::trans_affine_scaling(m_polygon_scale.value(), m_polygon_scale.value());
            polygon_mtx *= agg::trans_affine_translation(m_polygon_cx, m_polygon_cy);

            double r = initial_width() / 3.0 - 8.0;
            create_star(m_polygon_cx, m_polygon_cy, r, r / 1.45, 14);

            agg::conv_transform<agg::path_storage> tr(m_ps, polygon_mtx);
            m_ras.add_path(tr);
            if(m_ras.hit_test(x, y))
            {
                m_dx = x - m_polygon_cx;
                m_dy = y - m_polygon_cy;
                m_flag = 1;
            }
        }
    }
Esempio n. 12
0
void roadmap_canvas_draw_formated_string_angle (const RoadMapGuiPoint *position,
                                                RoadMapGuiPoint *center,
                                                int angle, int size,
                                                int font_type,
                                                const char *text)
{

   font_manager_type *fman;
   font_manager_type *image_fman;
   font_engine_type  *feng;
   font_engine_type  *image_feng;

   if ((font_type & FONT_TYPE_NORMAL) && (!RoadMapCanvasNormalFontLoaded))
      font_type = FONT_TYPE_BOLD;


   if (font_type & FONT_TYPE_NORMAL){
      fman = &m_fman_nor;
      feng = &m_feng_nor;
      image_feng = &m_image_feng_nor;
      image_fman = &m_image_fman_nor;
   }
   else{
      fman = &m_fman;
      feng = &m_feng;
      image_feng = &m_image_feng;
      image_fman = &m_image_fman;
   }


   if ((font_type & FONT_TYPE_BOLD) && (RoadMapCanvasFontLoaded != 1)) return;


   dbg_time_start(DBG_TIME_TEXT_FULL);
   dbg_time_start(DBG_TIME_TEXT_CNV);

   wchar_t wstr[255];
   int length = roadmap_canvas_agg_to_wchar (text, wstr, 255);
   if (length <=0) return;

#ifdef USE_FRIBIDI
   wchar_t *bidi_text = bidi_string(wstr);
   const wchar_t* p = bidi_text;
#else
   const wchar_t* p = wstr;
#endif

   ren_solid.color(CurrentPen->color);
   dbg_time_end(DBG_TIME_TEXT_CNV);

   double x  = 0;
   double y  = 0;
   if (size < 0) size = 15;

   if ( roadmap_screen_is_hd_screen() )
   {
     size = (int)(size * CANVAS_HD_FONT_FACTOR);
   }
   else{
#ifdef _WIN32
      size = (int) (size * 0.9);
#endif
   }

   if (angle == 0) {

      /* Use faster drawing for text with no angle */
      x  = position->x;
      y  = position->y;

//      ren_solid.color(agg::rgba8(0, 0, 0));

      image_feng->height(size);
      image_feng->width(size);

      while(*p) {
         const agg::glyph_cache* glyph = image_fman->glyph(*p);

         if(glyph) {
            image_fman->init_embedded_adaptors(glyph, x, y);

            agg::render_scanlines(image_fman->gray8_adaptor(),
                  image_fman->gray8_scanline(),
                  ren_solid);

            // increment pen position
            x += glyph->advance_x;
            y += glyph->advance_y;
         }
         ++p;
      }
   }
   else{
      feng->height(size);
      feng->width(size);
   }

   while(*p) {
      dbg_time_start(DBG_TIME_TEXT_ONE_LETTER);
      dbg_time_start(DBG_TIME_TEXT_GET_GLYPH);
      const agg::glyph_cache* glyph = fman->glyph(*p);
      dbg_time_end(DBG_TIME_TEXT_GET_GLYPH);

      if(glyph) {
         fman->init_embedded_adaptors(glyph, x, y);

         //agg::conv_curve<font_manager_type::path_adaptor_type> stroke(fman->path_adaptor());

         agg::trans_affine mtx;
         if (abs(angle) > 0) {
            mtx *= agg::trans_affine_rotation(agg::deg2rad(angle));
         }
         mtx *= agg::trans_affine_translation(position->x, position->y);

         agg::conv_transform<font_manager_type::path_adaptor_type> tr(fman->path_adaptor(), mtx);

         agg::conv_curve<agg::conv_transform<font_manager_type::path_adaptor_type> > fill(tr);

         //agg::conv_stroke<
            //agg::conv_curve<agg::conv_transform<font_manager_type::path_adaptor_type> > >
         //stroke(fill);

         //agg::conv_contour<agg::conv_transform<font_manager_type::path_adaptor_type> >contour(tr);
         //contour.width(2);

         //agg::conv_stroke< agg::conv_contour<agg::conv_transform<font_manager_type::path_adaptor_type> > > stroke(contour);
         //agg::conv_stroke< agg::conv_transform<font_manager_type::path_adaptor_type> > stroke(tr);

         dbg_time_start(DBG_TIME_TEXT_ONE_RAS);

#ifdef WIN32_PROFILE
         ResumeCAPAll();
#endif
         ras.reset();
         ras.add_path(tr);
         agg::render_scanlines(ras, sl, ren_solid);
         //ras.add_path(fill);
         //ras.add_path(stroke);
         //ren_solid.color(agg::rgba8(255, 255, 255));
         //agg::render_scanlines(ras, sl, ren_solid);
         //ras.add_path(tr);
         //ren_solid.color(agg::rgba8(0, 0, 0));
         //agg::render_scanlines(ras, sl, ren_solid);

#ifdef WIN32_PROFILE
         SuspendCAPAll();
#endif

         dbg_time_end(DBG_TIME_TEXT_ONE_RAS);

         // increment pen position
         x += glyph->advance_x;
         y += glyph->advance_y;
         dbg_time_end(DBG_TIME_TEXT_ONE_LETTER);
      }
      ++p;
   }

#ifdef USE_FRIBIDI
   free(bidi_text);
#endif

   dbg_time_end(DBG_TIME_TEXT_FULL);
}
Esempio n. 13
0
    virtual void on_draw()
    {
        pixfmt pixf(rbuf_window());
        renderer_base rb(pixf);
        renderer_solid r(rb);
        rb.clear(agg::rgba(1, 1, 1));

        g_rasterizer.clip_box(0, 0, width(), height());

        if(m_trans_type.cur_item() == 0)
        {
            agg::trans_bilinear tr(g_x1, g_y1, g_x2, g_y2, m_quad.polygon());
            if(tr.is_valid())
            {
                //--------------------------
                // Render transformed lion
                //
                agg::conv_transform<agg::path_storage, 
                                    agg::trans_bilinear> trans(g_path, tr);

                agg::render_all_paths(g_rasterizer, g_scanline, r, trans, g_colors, g_path_idx, g_npaths);
                //--------------------------



                //--------------------------
                // Render transformed ellipse
                //
                agg::ellipse ell((g_x1 + g_x2) * 0.5, (g_y1 + g_y2) * 0.5, 
                                 (g_x2 - g_x1) * 0.5, (g_y2 - g_y1) * 0.5,
                                 200);
                agg::conv_stroke<agg::ellipse> ell_stroke(ell);
                ell_stroke.width(3.0);
                agg::conv_transform<agg::ellipse, 
                                    agg::trans_bilinear> trans_ell(ell, tr);

                agg::conv_transform<agg::conv_stroke<agg::ellipse>, 
                                    agg::trans_bilinear> trans_ell_stroke(ell_stroke, tr);

                g_rasterizer.add_path(trans_ell);
                r.color(agg::rgba(0.5, 0.3, 0.0, 0.3));
                agg::render_scanlines(g_rasterizer, g_scanline, r);

                g_rasterizer.add_path(trans_ell_stroke);
                r.color(agg::rgba(0.0, 0.3, 0.2, 1.0));
                agg::render_scanlines(g_rasterizer, g_scanline, r);
                //--------------------------

            }
        }
        else
        {
            agg::trans_perspective tr(g_x1, g_y1, g_x2, g_y2, m_quad.polygon());
            if(tr.is_valid())
            {

                //--------------------------
                // Render transformed lion
                //
                agg::conv_transform<agg::path_storage, 
                                    agg::trans_perspective> trans(g_path, tr);

                agg::render_all_paths(g_rasterizer, g_scanline, r, trans, g_colors, g_path_idx, g_npaths);

                //--------------------------



                //--------------------------
                // Render transformed ellipse
                //
                agg::ellipse ell((g_x1 + g_x2) * 0.5, (g_y1 + g_y2) * 0.5, 
                                 (g_x2 - g_x1) * 0.5, (g_y2 - g_y1) * 0.5,
                                 200);

                agg::conv_stroke<agg::ellipse> ell_stroke(ell);
                ell_stroke.width(3.0);
                agg::conv_transform<agg::ellipse, 
                                    agg::trans_perspective> trans_ell(ell, tr);


                agg::conv_transform<agg::conv_stroke<agg::ellipse>, 
                                    agg::trans_perspective> trans_ell_stroke(ell_stroke, tr);


                g_rasterizer.add_path(trans_ell);
                r.color(agg::rgba(0.5, 0.3, 0.0, 0.3));
                agg::render_scanlines(g_rasterizer, g_scanline, r);

                g_rasterizer.add_path(trans_ell_stroke);
                r.color(agg::rgba(0.0, 0.3, 0.2, 1.0));
                agg::render_scanlines(g_rasterizer, g_scanline, r);
                //--------------------------


                // Testing the reverse transformations
                //agg::trans_perspective tr2(m_quad.polygon(), g_x1, g_y1, g_x2, g_y2);
                //if(tr2.is_valid())
                //{
                //    double x, y;
                //    x = m_quad.xn(0); y = m_quad.yn(0); tr2.transform(&x, &y);
                //    g_rasterizer.move_to_d(x, y);
                //    x = m_quad.xn(1); y = m_quad.yn(1); tr2.transform(&x, &y);
                //    g_rasterizer.line_to_d(x, y);
                //    x = m_quad.xn(2); y = m_quad.yn(2); tr2.transform(&x, &y);
                //    g_rasterizer.line_to_d(x, y);
                //    x = m_quad.xn(3); y = m_quad.yn(3); tr2.transform(&x, &y);
                //    g_rasterizer.line_to_d(x, y);
                //    r.color(agg::rgba(0.5, 0.0, 0.0, 0.5));
                //    agg::render_scanlines(g_rasterizer, g_scanline, r);
                //}
                //else
                //{
                //    message("Singularity...");
                //}
            }
        }




        //--------------------------
        // Render the "quad" tool and controls
        g_rasterizer.add_path(m_quad);
        r.color(agg::rgba(0, 0.3, 0.5, 0.6));
        agg::render_scanlines(g_rasterizer, g_scanline, r);
        agg::render_ctrl(g_rasterizer, g_scanline, rb, m_trans_type);
        //--------------------------
    }
    virtual void on_draw()
    {
        pixfmt            pixf(rbuf_window());
        pixfmt_pre        pixf_pre(rbuf_window());
        renderer_base     rb(pixf);
        renderer_base_pre rb_pre(pixf_pre);

        if(!m_test_flag)
        {
            rb.clear(agg::rgba(1, 1, 1));
        }

        if(m_trans_type.cur_item() == 0)
        {
            // For the affine parallelogram transformations we
            // calculate the 4-th (implicit) point of the parallelogram
            m_quad.xn(3) = m_quad.xn(0) + (m_quad.xn(2) - m_quad.xn(1));
            m_quad.yn(3) = m_quad.yn(0) + (m_quad.yn(2) - m_quad.yn(1));
        }

        if(!m_test_flag)
        {
            //--------------------------
            // Render the "quad" tool and controls
            g_rasterizer.add_path(m_quad);
            agg::render_scanlines_aa_solid(g_rasterizer, g_scanline, rb, agg::rgba(0, 0.3, 0.5, 0.6));

            //--------------------------
            agg::render_ctrl(g_rasterizer, g_scanline, rb, m_trans_type);
        }

        // Prepare the polygon to rasterize. Here we need to fill
        // the destination (transformed) polygon.
        g_rasterizer.clip_box(0, 0, width(), height());
        g_rasterizer.reset();
        g_rasterizer.move_to_d(m_quad.xn(0), m_quad.yn(0));
        g_rasterizer.line_to_d(m_quad.xn(1), m_quad.yn(1));
        g_rasterizer.line_to_d(m_quad.xn(2), m_quad.yn(2));
        g_rasterizer.line_to_d(m_quad.xn(3), m_quad.yn(3));


        typedef agg::span_allocator<color_type> span_alloc_type;
        span_alloc_type sa;
        agg::image_filter<agg::image_filter_hanning> filter;
    
        typedef agg::wrap_mode_reflect_auto_pow2 remainder_type;
        typedef agg::image_accessor_wrap<pixfmt, 
                                         remainder_type, 
                                         remainder_type> img_source_type;

        pixfmt img_pixf(rbuf_img(0));
        img_source_type img_src(img_pixf);

        enum subdiv_shift_e { subdiv_shift = 2 };
         
        switch(m_trans_type.cur_item())
        {
            case 0:
            {
                // Note that we consruct an affine matrix that transforms
                // a parallelogram to a rectangle, i.e., it's inverted.
                // It's actually the same as:
                // tr(g_x1, g_y1, g_x2, g_y2, m_triangle.polygon());
                // tr.invert();
                agg::trans_affine tr(m_quad.polygon(), g_x1, g_y1, g_x2, g_y2);

                // Also note that we can use the linear interpolator instead of 
                // arbitrary span_interpolator_trans. It works much faster, 
                // but the transformations must be linear and parellel.
                typedef agg::span_interpolator_linear<agg::trans_affine> interpolator_type;
                interpolator_type interpolator(tr);

                typedef span_image_filter_2x2<img_source_type,
                                              interpolator_type> span_gen_type;
                span_gen_type sg(img_src, interpolator, filter);
                agg::render_scanlines_aa(g_rasterizer, g_scanline, rb_pre, sa, sg);
                break;
            }

            case 1:
            {
                agg::trans_bilinear tr(m_quad.polygon(), g_x1, g_y1, g_x2, g_y2);
                if(tr.is_valid())
                {
                    typedef agg::span_interpolator_linear<agg::trans_bilinear> interpolator_type;
                    interpolator_type interpolator(tr);

                    typedef span_image_filter_2x2<img_source_type,
                                                  interpolator_type> span_gen_type;
                    span_gen_type sg(img_src, interpolator, filter);
                    agg::render_scanlines_aa(g_rasterizer, g_scanline, rb_pre, sa, sg);
                }
                break;
            }

            case 2:
            {
                agg::trans_perspective tr(m_quad.polygon(), g_x1, g_y1, g_x2, g_y2);
                if(tr.is_valid())
                {
                    typedef agg::span_interpolator_linear_subdiv<agg::trans_perspective, 8> interpolator_type;
                    interpolator_type interpolator(tr);

                    typedef span_image_filter_2x2<img_source_type,
                                                  interpolator_type> span_gen_type;
                    span_gen_type sg(img_src, interpolator, filter);
                    agg::render_scanlines_aa(g_rasterizer, g_scanline, rb_pre, sa, sg);
                }
                break;
            }
        }
    }
Esempio n. 15
0
    virtual void on_draw()
    {
        typedef agg::pixfmt_gray8 pixfmt_gray8;
        typedef agg::renderer_base<pixfmt_gray8> ren_base_gray8;

        m_ras.clip_box(0,0, width(), height());

        pixfmt_gray8 pixf_gray8(m_gray8_rbuf);
        ren_base_gray8 renb_gray8(pixf_gray8);
        renb_gray8.clear(agg::gray8(0));

        // Testing enhanced compositing operations. 
        // Uncomment and replace renb.blend_from_* to renb_blend.blend_from_*
        //----------------
        //typedef agg::comp_op_rgba_minus<color_type, component_order> blender_type;
        //typedef agg::comp_adaptor_rgba<blender_type> blend_adaptor_type;
        //typedef agg::pixfmt_custom_blend_rgba<blend_adaptor_type, agg::rendering_buffer> pixfmt_type;
        //typedef agg::renderer_base<pixfmt_type> ren_base;
        //pixfmt_type pixf_blend(rbuf_window());
        //agg::renderer_base<pixfmt_type> renb_blend(pixf_blend);

        pixfmt pixf(rbuf_window());
        agg::renderer_base<pixfmt> renb(pixf);
        renb.clear(agg::rgba(1, 0.95, 0.95));

        agg::trans_perspective shadow_persp(m_shape_bounds.x1, m_shape_bounds.y1, 
                                            m_shape_bounds.x2, m_shape_bounds.y2,
                                            m_shadow_ctrl.polygon());

        agg::conv_transform<shape_type, 
                            agg::trans_perspective> shadow_trans(m_shape, 
                                                                 shadow_persp);

        start_timer();

        // Render shadow
        m_ras.add_path(shadow_trans);
        agg::render_scanlines_aa_solid(m_ras, m_sl, renb_gray8, agg::gray8(255));

        // Calculate the bounding box and extend it by the blur radius
        agg::rect_d bbox;
        agg::bounding_rect_single(shadow_trans, 0, &bbox.x1, &bbox.y1, &bbox.x2, &bbox.y2);

        bbox.x1 -= m_radius.value();
        bbox.y1 -= m_radius.value();
        bbox.x2 += m_radius.value();
        bbox.y2 += m_radius.value();

        if(bbox.clip(agg::rect_d(0, 0, width(), height())))
        {
            // Create a new pixel renderer and attach it to the main one as a child image. 
            // It returns true if the attachment suceeded. It fails if the rectangle 
            // (bbox) is fully clipped.
            //------------------
            pixfmt_gray8 pixf2(m_gray8_rbuf2);
            if(pixf2.attach(pixf_gray8, int(bbox.x1), int(bbox.y1), int(bbox.x2), int(bbox.y2)))
            {
                // Blur it
                agg::stack_blur_gray8(pixf2, agg::uround(m_radius.value()), 
                                             agg::uround(m_radius.value()));
            }
            if(m_method.cur_item() == 0)
            {
                renb.blend_from_color(pixf2, 
                                      agg::rgba8(0, 100, 0), 
                                      0, 
                                      int(bbox.x1), 
                                      int(bbox.y1));
            }
            else
            {
                renb.blend_from_lut(pixf2, 
                                    m_color_lut.data(),
                                    0, 
                                    int(bbox.x1), 
                                    int(bbox.y1));
            }
        }
        double tm = elapsed_time();

        char buf[64]; 
        agg::gsv_text t;
        t.size(10.0);

        agg::conv_stroke<agg::gsv_text> st(t);
        st.width(1.5);

        sprintf(buf, "%3.2f ms", tm);
        t.start_point(140.0, 30.0);
        t.text(buf);

        m_ras.add_path(st);
        agg::render_scanlines_aa_solid(m_ras, m_sl, renb, agg::rgba(0,0,0));

        agg::render_ctrl(m_ras, m_sl, renb, m_method);
        agg::render_ctrl(m_ras, m_sl, renb, m_radius);
        agg::render_ctrl(m_ras, m_sl, renb, m_shadow_ctrl);
    }
Esempio n. 16
0
    virtual void on_draw()
    {
        if(m_gamma.value() != m_old_gamma)
        {
            m_gamma_lut.gamma(m_gamma.value());
            load_img(0, "spheres");
            pixfmt pixf(rbuf_img(0));
            pixf.apply_gamma_dir(m_gamma_lut);
            m_old_gamma = m_gamma.value();
        }

        pixfmt            pixf(rbuf_window());
        pixfmt_pre        pixf_pre(rbuf_window());
        renderer_base     rb(pixf);
        renderer_base_pre rb_pre(pixf_pre);

        renderer_solid r(rb);

        rb.clear(agg::rgba(1, 1, 1));

        if(m_trans_type.cur_item() < 2)
        {
            // For the affine parallelogram transformations we
            // calculate the 4-th (implicit) point of the parallelogram
            m_quad.xn(3) = m_quad.xn(0) + (m_quad.xn(2) - m_quad.xn(1));
            m_quad.yn(3) = m_quad.yn(0) + (m_quad.yn(2) - m_quad.yn(1));
        }

        //--------------------------
        // Render the "quad" tool and controls
        g_rasterizer.add_path(m_quad);
        r.color(agg::rgba(0, 0.3, 0.5, 0.1));
        agg::render_scanlines(g_rasterizer, g_scanline, r);

        // Prepare the polygon to rasterize. Here we need to fill
        // the destination (transformed) polygon.
        g_rasterizer.clip_box(0, 0, width(), height());
        g_rasterizer.reset();
        int b = 0;
        g_rasterizer.move_to_d(m_quad.xn(0)-b, m_quad.yn(0)-b);
        g_rasterizer.line_to_d(m_quad.xn(1)+b, m_quad.yn(1)-b);
        g_rasterizer.line_to_d(m_quad.xn(2)+b, m_quad.yn(2)+b);
        g_rasterizer.line_to_d(m_quad.xn(3)-b, m_quad.yn(3)+b);

        typedef agg::span_allocator<color_type> span_alloc_type;
        span_alloc_type sa;
        agg::image_filter_bilinear filter_kernel;
        agg::image_filter_lut filter(filter_kernel, true);

        pixfmt pixf_img(rbuf_img(0));
        typedef agg::image_accessor_clone<pixfmt> source_type;
        source_type source(pixf_img);

        start_timer();
        switch(m_trans_type.cur_item())
        {
            case 0:
            {
                agg::trans_affine tr(m_quad.polygon(), g_x1, g_y1, g_x2, g_y2);

                typedef agg::span_interpolator_linear<agg::trans_affine> interpolator_type;
                interpolator_type interpolator(tr);

                typedef image_filter_2x2_type<source_type, 
                                              interpolator_type> span_gen_type;
                span_gen_type sg(source, interpolator, filter);
                agg::render_scanlines_aa(g_rasterizer, g_scanline, rb_pre, sa, sg);
                break;
            }

            case 1:
            {
                agg::trans_affine tr(m_quad.polygon(), g_x1, g_y1, g_x2, g_y2);

                typedef agg::span_interpolator_linear<agg::trans_affine> interpolator_type;
                typedef image_resample_affine_type<source_type> span_gen_type;

                interpolator_type interpolator(tr);
                span_gen_type sg(source, interpolator, filter);
                sg.blur(m_blur.value());
                agg::render_scanlines_aa(g_rasterizer, g_scanline, rb_pre, sa, sg);
                break;
            }

            case 2:
            {
                agg::trans_perspective tr(m_quad.polygon(), g_x1, g_y1, g_x2, g_y2);
                if(tr.is_valid())
                {
                    typedef agg::span_interpolator_linear_subdiv<agg::trans_perspective> interpolator_type;
                    interpolator_type interpolator(tr);

                    typedef image_filter_2x2_type<source_type,
                                                  interpolator_type> span_gen_type;
                    span_gen_type sg(source, interpolator, filter);
                    agg::render_scanlines_aa(g_rasterizer, g_scanline, rb_pre, sa, sg);
                }
                break;
            }

            case 3:
            {
                agg::trans_perspective tr(m_quad.polygon(), g_x1, g_y1, g_x2, g_y2);
                if(tr.is_valid())
                {
                    typedef agg::span_interpolator_trans<agg::trans_perspective> interpolator_type;
                    interpolator_type interpolator(tr);

                    typedef image_filter_2x2_type<source_type, 
                                                  interpolator_type> span_gen_type;
                    span_gen_type sg(source, interpolator, filter);
                    agg::render_scanlines_aa(g_rasterizer, g_scanline, rb_pre, sa, sg);
                }
                break;
            }

            case 4:
            {
                typedef agg::span_interpolator_persp_lerp<> interpolator_type;
                typedef agg::span_subdiv_adaptor<interpolator_type> subdiv_adaptor_type;

                interpolator_type interpolator(m_quad.polygon(), g_x1, g_y1, g_x2, g_y2);
                subdiv_adaptor_type subdiv_adaptor(interpolator);

                if(interpolator.is_valid())
                {
                    typedef image_resample_type<source_type, 
                                                subdiv_adaptor_type> span_gen_type;
                    span_gen_type sg(source, subdiv_adaptor, filter);
                    sg.blur(m_blur.value());
                    agg::render_scanlines_aa(g_rasterizer, g_scanline, rb_pre, sa, sg);
                }
                break;
            }

            case 5:
            {
                typedef agg::span_interpolator_persp_exact<> interpolator_type;
                typedef agg::span_subdiv_adaptor<interpolator_type> subdiv_adaptor_type;

                interpolator_type interpolator(m_quad.polygon(), g_x1, g_y1, g_x2, g_y2);
                subdiv_adaptor_type subdiv_adaptor(interpolator);

                if(interpolator.is_valid())
                {
                    typedef image_resample_type<source_type, 
                                                subdiv_adaptor_type> span_gen_type;
                    span_gen_type sg(source, subdiv_adaptor, filter);
                    sg.blur(m_blur.value());
                    agg::render_scanlines_aa(g_rasterizer, g_scanline, rb_pre, sa, sg);
                }
                break;
            }
        }
        double tm = elapsed_time();
        pixf.apply_gamma_inv(m_gamma_lut);

        char buf[64]; 
        agg::gsv_text t;
        t.size(10.0);

        agg::conv_stroke<agg::gsv_text> pt(t);
        pt.width(1.5);

        sprintf(buf, "%3.2f ms", tm);
        t.start_point(10.0, 70.0);
        t.text(buf);

        g_rasterizer.add_path(pt);
        r.color(agg::rgba(0,0,0));
        agg::render_scanlines(g_rasterizer, g_scanline, r);

        //--------------------------
        agg::render_ctrl(g_rasterizer, g_scanline, rb, m_trans_type);
        agg::render_ctrl(g_rasterizer, g_scanline, rb, m_gamma);
        agg::render_ctrl(g_rasterizer, g_scanline, rb, m_blur);
    }
Esempio n. 17
0
    //------------------------------------------------------------------------
    virtual void on_draw()
    {
        double width = rbuf_window().width();
        double height = rbuf_window().height();
    
        typedef agg::renderer_base<pixfmt>     renderer_base;
        typedef agg::renderer_base<pixfmt_pre> renderer_base_pre;
       
        pixfmt     pixf(rbuf_window());
        pixfmt_pre pixf_pre(rbuf_window());

        renderer_base     rb(pixf);
        renderer_base_pre rb_pre(pixf_pre);

        rb.clear(agg::rgba(1.0, 1.0, 1.0));

        agg::trans_affine polygon_mtx;

        polygon_mtx *= agg::trans_affine_translation(-m_polygon_cx, -m_polygon_cy);
        polygon_mtx *= agg::trans_affine_rotation(m_polygon_angle.value() * agg::pi / 180.0);
        polygon_mtx *= agg::trans_affine_scaling(m_polygon_scale.value());
        polygon_mtx *= agg::trans_affine_translation(m_polygon_cx, m_polygon_cy);

        double r = initial_width() / 3.0 - 8.0;
        create_star(m_polygon_cx, m_polygon_cy, r, r / 1.45, 14);

        agg::conv_transform<agg::path_storage> tr(m_ps, polygon_mtx);

        typedef agg::wrap_mode_reflect_auto_pow2 wrap_x_type;
        typedef agg::wrap_mode_reflect_auto_pow2 wrap_y_type;
        typedef agg::image_accessor_wrap<pixfmt, 
                                         wrap_x_type,
                                         wrap_y_type> img_source_type;
        typedef agg::span_pattern_rgba<img_source_type> span_gen_type;

        unsigned offset_x = 0;
        unsigned offset_y = 0;

        if(m_tie_pattern.status())
        {
            offset_x = unsigned(width-m_polygon_cx);
            offset_y = unsigned(height-m_polygon_cy);
        }

        agg::span_allocator<color_type> sa;
        pixfmt          img_pixf(m_pattern_rbuf);
        img_source_type img_src(img_pixf);
        span_gen_type sg(img_src, offset_x, offset_y);

        // Alpha is meaningful for RGB only because RGBA has its own
        sg.alpha(span_gen_type::value_type(m_pattern_alpha.value() * 255.0)); 

        m_ras.add_path(tr);
        agg::render_scanlines_aa(m_ras, m_sl, rb_pre, sa, sg);

        agg::render_ctrl(m_ras, m_sl, rb, m_polygon_angle);
        agg::render_ctrl(m_ras, m_sl, rb, m_polygon_scale);
        agg::render_ctrl(m_ras, m_sl, rb, m_pattern_angle);
        agg::render_ctrl(m_ras, m_sl, rb, m_pattern_size);
        agg::render_ctrl(m_ras, m_sl, rb, m_pattern_alpha);
        agg::render_ctrl(m_ras, m_sl, rb, m_rotate_polygon);
        agg::render_ctrl(m_ras, m_sl, rb, m_rotate_pattern);
        agg::render_ctrl(m_ras, m_sl, rb, m_tie_pattern);
    }
Esempio n. 18
0
    unsigned render()
    {
        pixfmt_type pf(rbuf_window());
        agg::renderer_base<pixfmt_type> rb(pf);
        agg::renderer_scanline_aa_solid<agg::renderer_base<pixfmt_type> > ren(rb);

        switch(m_polygons.cur_item())
        {
            case 0:
            {
                //------------------------------------
                // Two simple paths
                //
                agg::path_storage ps1;
                agg::path_storage ps2;

                double x = m_x - initial_width()/2 + 100;
                double y = m_y - initial_height()/2 + 100;
                ps1.move_to(x+140, y+145);
                ps1.line_to(x+225, y+44);
                ps1.line_to(x+296, y+219);
                ps1.close_polygon();

                ps1.line_to(x+226, y+289);
                ps1.line_to(x+82,  y+292);

                ps1.move_to(x+220, y+222);
                ps1.line_to(x+363, y+249);
                ps1.line_to(x+265, y+331);

                ps1.move_to(x+242, y+243);
                ps1.line_to(x+268, y+309);
                ps1.line_to(x+325, y+261);

                ps1.move_to(x+259, y+259);
                ps1.line_to(x+273, y+288);
                ps1.line_to(x+298, y+266);

                ps2.move_to(100+32,  100+77);
                ps2.line_to(100+473, 100+263);
                ps2.line_to(100+351, 100+290);
                ps2.line_to(100+354, 100+374);

                m_ras.reset();
                m_ras.add_path(ps1);
                ren.color(agg::rgba(0, 0, 0, 0.1));
                agg::render_scanlines(m_ras, m_sl, ren);

                m_ras.reset();
                m_ras.add_path(ps2);
                ren.color(agg::rgba(0, 0.6, 0, 0.1));
                agg::render_scanlines(m_ras, m_sl, ren);

                generate_alpha_mask(ps1);
                perform_rendering(ps2);
            }
            break;

            case 1:
            {
                //------------------------------------
                // Closed stroke
                //
                agg::path_storage ps1;
                agg::path_storage ps2;
                agg::conv_stroke<agg::path_storage> stroke(ps2);
                stroke.width(10.0);

                double x = m_x - initial_width()/2 + 100;
                double y = m_y - initial_height()/2 + 100;
                ps1.move_to(x+140, y+145);
                ps1.line_to(x+225, y+44);
                ps1.line_to(x+296, y+219);
                ps1.close_polygon();

                ps1.line_to(x+226, y+289);
                ps1.line_to(x+82,  y+292);

                ps1.move_to(x+220-50, y+222);
                ps1.line_to(x+265-50, y+331);
                ps1.line_to(x+363-50, y+249);
                ps1.close_polygon(agg::path_flags_ccw);

                ps2.move_to(100+32,  100+77);
                ps2.line_to(100+473, 100+263);
                ps2.line_to(100+351, 100+290);
                ps2.line_to(100+354, 100+374);
                ps2.close_polygon();

                m_ras.reset();
                m_ras.add_path(ps1);
                ren.color(agg::rgba(0, 0, 0, 0.1));
                agg::render_scanlines(m_ras, m_sl, ren);

                m_ras.reset();
                m_ras.add_path(stroke);
                ren.color(agg::rgba(0, 0.6, 0, 0.1));
                agg::render_scanlines(m_ras, m_sl, ren);

                generate_alpha_mask(ps1);
                perform_rendering(stroke);
            }
            break;


            case 2:
            {
                //------------------------------------
                // Great Britain and Arrows
                //
                agg::path_storage gb_poly;
                agg::path_storage arrows;
                make_gb_poly(gb_poly);
                make_arrows(arrows);

                agg::trans_affine mtx1;
                agg::trans_affine mtx2;
                mtx1 *= agg::trans_affine_translation(-1150, -1150);
                mtx1 *= agg::trans_affine_scaling(2.0);

                mtx2 = mtx1;
                mtx2 *= agg::trans_affine_translation(m_x - initial_width()/2, 
                                                      m_y - initial_height()/2);

                agg::conv_transform<agg::path_storage> trans_gb_poly(gb_poly, mtx1);
                agg::conv_transform<agg::path_storage> trans_arrows(arrows, mtx2);

                m_ras.add_path(trans_gb_poly);
                ren.color(agg::rgba(0.5, 0.5, 0, 0.1));
                agg::render_scanlines(m_ras, m_sl, ren);

                agg::conv_stroke<agg::conv_transform<agg::path_storage> > stroke_gb_poly(trans_gb_poly);
                stroke_gb_poly.width(0.1);
                m_ras.add_path(stroke_gb_poly);
                ren.color(agg::rgba(0, 0, 0));
                agg::render_scanlines(m_ras, m_sl, ren);
        
                m_ras.add_path(trans_arrows);
                ren.color(agg::rgba(0.0, 0.5, 0.5, 0.1));
                agg::render_scanlines(m_ras, m_sl, ren);

                generate_alpha_mask(trans_gb_poly);
                perform_rendering(trans_arrows);
            }
            break;


            case 3:
            {
                //------------------------------------
                // Great Britain and a Spiral
                //
                spiral sp(m_x, m_y, 10, 150, 30, 0.0);
                agg::conv_stroke<spiral> stroke(sp);
                stroke.width(15.0);

                agg::path_storage gb_poly;
                make_gb_poly(gb_poly);

                agg::trans_affine mtx;
                mtx *= agg::trans_affine_translation(-1150, -1150);
                mtx *= agg::trans_affine_scaling(2.0);

                agg::conv_transform<agg::path_storage> trans_gb_poly(gb_poly, mtx);

                m_ras.add_path(trans_gb_poly);
                ren.color(agg::rgba(0.5, 0.5, 0, 0.1));
                agg::render_scanlines(m_ras, m_sl, ren);

                agg::conv_stroke<agg::conv_transform<agg::path_storage> > stroke_gb_poly(trans_gb_poly);
                stroke_gb_poly.width(0.1);
                m_ras.add_path(stroke_gb_poly);
                ren.color(agg::rgba(0, 0, 0));
                agg::render_scanlines(m_ras, m_sl, ren);
        
                m_ras.add_path(stroke);
                ren.color(agg::rgba(0.0, 0.5, 0.5, 0.1));
                agg::render_scanlines(m_ras, m_sl, ren);

                generate_alpha_mask(trans_gb_poly);
                perform_rendering(stroke);
            }
            break;


            case 4:
            {
                //------------------------------------
                // Spiral and glyph
                //
                spiral sp(m_x, m_y, 10, 150, 30, 0.0);
                agg::conv_stroke<spiral> stroke(sp);
                stroke.width(15.0);

                agg::path_storage glyph;
                glyph.move_to(28.47, 6.45);
                glyph.curve3(21.58, 1.12, 19.82, 0.29);
                glyph.curve3(17.19, -0.93, 14.21, -0.93);
                glyph.curve3(9.57, -0.93, 6.57, 2.25);
                glyph.curve3(3.56, 5.42, 3.56, 10.60);
                glyph.curve3(3.56, 13.87, 5.03, 16.26);
                glyph.curve3(7.03, 19.58, 11.99, 22.51);
                glyph.curve3(16.94, 25.44, 28.47, 29.64);
                glyph.line_to(28.47, 31.40);
                glyph.curve3(28.47, 38.09, 26.34, 40.58);
                glyph.curve3(24.22, 43.07, 20.17, 43.07);
                glyph.curve3(17.09, 43.07, 15.28, 41.41);
                glyph.curve3(13.43, 39.75, 13.43, 37.60);
                glyph.line_to(13.53, 34.77);
                glyph.curve3(13.53, 32.52, 12.38, 31.30);
                glyph.curve3(11.23, 30.08, 9.38, 30.08);
                glyph.curve3(7.57, 30.08, 6.42, 31.35);
                glyph.curve3(5.27, 32.62, 5.27, 34.81);
                glyph.curve3(5.27, 39.01, 9.57, 42.53);
                glyph.curve3(13.87, 46.04, 21.63, 46.04);
                glyph.curve3(27.59, 46.04, 31.40, 44.04);
                glyph.curve3(34.28, 42.53, 35.64, 39.31);
                glyph.curve3(36.52, 37.21, 36.52, 30.71);
                glyph.line_to(36.52, 15.53);
                glyph.curve3(36.52, 9.13, 36.77, 7.69);
                glyph.curve3(37.01, 6.25, 37.57, 5.76);
                glyph.curve3(38.13, 5.27, 38.87, 5.27);
                glyph.curve3(39.65, 5.27, 40.23, 5.62);
                glyph.curve3(41.26, 6.25, 44.19, 9.18);
                glyph.line_to(44.19, 6.45);
                glyph.curve3(38.72, -0.88, 33.74, -0.88);
                glyph.curve3(31.35, -0.88, 29.93, 0.78);
                glyph.curve3(28.52, 2.44, 28.47, 6.45);
                glyph.close_polygon();

                glyph.move_to(28.47, 9.62);
                glyph.line_to(28.47, 26.66);
                glyph.curve3(21.09, 23.73, 18.95, 22.51);
                glyph.curve3(15.09, 20.36, 13.43, 18.02);
                glyph.curve3(11.77, 15.67, 11.77, 12.89);
                glyph.curve3(11.77, 9.38, 13.87, 7.06);
                glyph.curve3(15.97, 4.74, 18.70, 4.74);
                glyph.curve3(22.41, 4.74, 28.47, 9.62);
                glyph.close_polygon();

                agg::trans_affine mtx;
                mtx *= agg::trans_affine_scaling(4.0);
                mtx *= agg::trans_affine_translation(220, 200);
                agg::conv_transform<agg::path_storage> trans(glyph, mtx);
                agg::conv_curve<agg::conv_transform<agg::path_storage> > curve(trans);

                m_ras.reset();
                m_ras.add_path(stroke);
                ren.color(agg::rgba(0, 0, 0, 0.1));
                agg::render_scanlines(m_ras, m_sl, ren);

                m_ras.reset();
                m_ras.add_path(curve);
                ren.color(agg::rgba(0, 0.6, 0, 0.1));
                agg::render_scanlines(m_ras, m_sl, ren);

                generate_alpha_mask(stroke);
                perform_rendering(curve);
            }
            break;
        }

        return 0;
    }
Esempio n. 19
0
void roadmap_canvas_draw_multiple_lines (int count, int *lines,
      RoadMapGuiPoint *points, int fast_draw) {

   int i;
   int count_of_points;


   dbg_time_start(DBG_TIME_DRAW_LINES);
#ifdef WIN32_PROFILE
   ResumeCAPAll();
#endif

#ifdef _WIN32_
   if (fast_draw) {
      roadmap_canvas_native_draw_multiple_lines (count, lines, points,
         CurrentPen->color.r, CurrentPen->color.g, CurrentPen->color.b,
         CurrentPen->thickness);
      return;
   }
#endif

   if (!fast_draw) {
      raso.round_cap(true);
      raso.line_join(agg::outline_miter_accurate_join);
   } else {
      raso.round_cap(false);
      raso.line_join(agg::outline_no_join);
   }

//   raso.accurate_join(true);

   static agg::path_storage path;

   for (i = 0; i < count; ++i) {

      int first = 1;

      count_of_points = *lines;

      if (count_of_points < 2) continue;

      dbg_time_start(DBG_TIME_CREATE_PATH);

      for (int j=0; j<count_of_points; j++) {

         if (first) {
            first = 0;
            path.move_to(points->x, points->y);
         } else {
            path.line_to(points->x, points->y);
         }

         points++;
      }

      dbg_time_end(DBG_TIME_CREATE_PATH);
      dbg_time_start(DBG_TIME_ADD_PATH);

#if 0
      if (fast_draw) {
         renderer_pr ren_pr(agg_renb);
         agg::rasterizer_outline<renderer_pr> ras_line(ren_pr);
         ren_pr.line_color(CurrentPen->color);
         ras_line.add_path(path);

      } else {
     #endif
         raso.add_path(path);
      //}

      path.remove_all ();
      dbg_time_end(DBG_TIME_ADD_PATH);

      lines += 1;
   }


#ifdef WIN32_PROFILE
   SuspendCAPAll();
#endif



	return;


   dbg_time_end(DBG_TIME_DRAW_LINES);
}

void roadmap_canvas_draw_multiple_polygons
         (int count, int *polygons, RoadMapGuiPoint *points, int filled,
          int fast_draw) {

   int i;
   int count_of_points;

   static agg::path_storage path;

   for (i = 0; i < count; ++i) {

      count_of_points = *polygons;

      int first = 1;

      for (int j=0; j<count_of_points; j++) {

         if (first) {
            first = 0;
            path.move_to(points->x, points->y);
         } else {
            path.line_to(points->x, points->y);
         }
         points++;
      }

      path.close_polygon();

      if (filled) {

         ras.reset();
         ras.add_path(path);
         ren_solid.color(CurrentPen->color);
         agg::render_scanlines( ras, sl, ren_solid);

      } else if (fast_draw) {
         renderer_pr ren_pr(agg_renb);
         agg::rasterizer_outline<renderer_pr> ras_line(ren_pr);
         ren_pr.line_color(CurrentPen->color);
         ras_line.add_path(path);

      } else {

         raso.add_path(path);
      }

      path.remove_all ();

      polygons += 1;
   }
}
Esempio n. 20
0
    virtual void on_draw()
    {
        pixfmt pixf(rbuf_window());
        renderer_base rb(pixf);
        renderer_solid rs(rb);
        rb.clear(agg::rgba(1, 1, 1));

        // When Gamma changes rebuild the gamma and gradient LUTs 
        //------------------
        if(m_old_gamma != m_gamma.value())
        {
            m_gamma_lut.gamma(m_gamma.value());
            build_gradient_lut();
            m_old_gamma = m_gamma.value();
        }


        // Gradient center. All gradient functions assume the 
        // center being in the origin (0,0) and you can't 
        // change it. But you can apply arbitrary transformations
        // to the gradient (see below).
        //------------------
        double cx = initial_width()  / 2;
        double cy = initial_height() / 2;
        double r = 100;

        // Focal center. Defined in the gradient coordinates, 
        // that is, with respect to the origin (0,0)
        //------------------
        double fx = m_mouse_x - cx;
        double fy = m_mouse_y - cy;

        gradient_func_type    gradient_func(r, fx, fy);
        gradient_adaptor_type gradient_adaptor(gradient_func);
        agg::trans_affine     gradient_mtx;
        
        // Making the affine matrix. Move to (cx,cy), 
        // apply the resizing transformations and invert
        // the matrix. Gradients and images always assume the
        // inverse transformations.
        //------------------
        gradient_mtx.translate(cx, cy);
        gradient_mtx *= trans_affine_resizing();
        gradient_mtx.invert();

        interpolator_type     span_interpolator(gradient_mtx);
        span_gradient_type    span_gradient(span_interpolator, 
                                          gradient_adaptor, 
                                          m_gradient_lut, 
                                          0, r);

        // Form the simple rectangle 
        //------------------
        m_rasterizer.reset();
        m_rasterizer.move_to_d(0,0);
        m_rasterizer.line_to_d(width(), 0);
        m_rasterizer.line_to_d(width(), height());
        m_rasterizer.line_to_d(0, height());

        // Render the gradient to the whole screen and measure the time
        //------------------
        start_timer();
        agg::render_scanlines_aa(m_rasterizer, m_scanline, rb, m_alloc, span_gradient);
        double tm = elapsed_time();

        // Draw the transformed circle that shows the gradient boundary
        //------------------
        agg::ellipse e(cx, cy, r, r);
        agg::conv_stroke<agg::ellipse> estr(e);
        agg::conv_transform<
            agg::conv_stroke<
                agg::ellipse> > etrans(estr, trans_affine_resizing());

        m_rasterizer.add_path(etrans);
        agg::render_scanlines_aa_solid(m_rasterizer, m_scanline, rb, agg::rgba(1,1,1));

        // Show the gradient time
        //------------------
        char buf[64]; 
        agg::gsv_text t;
        t.size(10.0);
        agg::conv_stroke<agg::gsv_text> pt(t);
        pt.width(1.5);
        sprintf(buf, "%3.2f ms", tm);
        t.start_point(10.0, 35.0);
        t.text(buf);
        m_rasterizer.add_path(pt);
        agg::render_scanlines_aa_solid(m_rasterizer, m_scanline, rb, agg::rgba(0,0,0));

#if !LINEAR_RGB
        // Show the controls
        //------------------
        agg::render_ctrl(m_rasterizer, m_scanline, rb, m_gamma);

        // Apply the inverse gamma to the whole buffer 
        // (transform the colors to the perceptually uniform space)
        //------------------
        pixf.apply_gamma_inv(m_gamma_lut);
#endif
    }
Esempio n. 21
0
    virtual void on_draw()
    {
        typedef agg::renderer_base<pixfmt> ren_base;

        pixfmt pixf(rbuf_window());
        ren_base rbase(pixf);
        trans_roundoff roundoff;

        if(m_redraw_flag)
        {
            g_rasterizer.gamma(agg::gamma_none());
            rbase.clear(agg::rgba8(255,255,255));
            g_rasterizer.filling_rule(agg::fill_non_zero);
            agg::render_ctrl(g_rasterizer, g_scanline, rbase, m_rotate);
            agg::render_ctrl(g_rasterizer, g_scanline, rbase, m_even_odd);
            agg::render_ctrl(g_rasterizer, g_scanline, rbase, m_draft);
            agg::render_ctrl(g_rasterizer, g_scanline, rbase, m_roundoff);
            agg::render_ctrl(g_rasterizer, g_scanline, rbase, m_angle_delta);
            m_redraw_flag = false;
        }
        else
        {
            rbase.copy_bar(0, 
                           int(32.0 * rbuf_window().height() / m_dy), 
                           rbuf_window().width(), 
                           rbuf_window().height(), 
                           agg::rgba8(255,255,255));
        }


        if(m_draft.status())
        {
            g_rasterizer.gamma(agg::gamma_threshold(0.4));
        }

        agg::trans_affine mtx;
        mtx.reset();
        mtx *= agg::trans_affine_rotation(g_angle * agg::pi / 180.0);
        mtx *= agg::trans_affine_translation(m_dx / 2, m_dy / 2 + 10);
        mtx *= agg::trans_affine_scaling(rbuf_window().width() / m_dx, 
                                         rbuf_window().height() / m_dy);

        agg::conv_transform<agg::path_storage> fill(g_path, mtx);
        agg::conv_transform
        <
            agg::conv_transform<agg::path_storage>, 
            trans_roundoff
        >
        fill_roundoff(fill, roundoff);

        agg::conv_stroke
        <
            agg::conv_transform<agg::path_storage>
        > 
        stroke(fill);

        agg::conv_stroke
        <
            agg::conv_transform
            <
                agg::conv_transform<agg::path_storage>, 
                trans_roundoff
            >
        > 
        stroke_roundoff(fill_roundoff);

        g_pflag = m_even_odd.status() ? agg::fill_even_odd : agg::fill_non_zero;

        unsigned i;
        for(i = 0; i < g_npaths; i++)
        {
            g_rasterizer.filling_rule(g_pflag);
            if(m_roundoff.status()) g_rasterizer.add_path(fill_roundoff, g_attr[i].index);
            else                    g_rasterizer.add_path(fill,          g_attr[i].index);

            if(m_draft.status())
            {
                agg::render_scanlines_bin_solid(g_rasterizer, g_scanline, rbase, g_attr[i].fill_color);
            }
            else
            {
                agg::render_scanlines_aa_solid(g_rasterizer, g_scanline, rbase, g_attr[i].fill_color);
            }

            if(g_attr[i].stroke_width > 0.001)
            {
                stroke.width(g_attr[i].stroke_width * mtx.scale());
                stroke_roundoff.width(g_attr[i].stroke_width * mtx.scale());
                if(m_roundoff.status()) g_rasterizer.add_path(stroke_roundoff, g_attr[i].index);
                else                    g_rasterizer.add_path(stroke,          g_attr[i].index);
                if(m_draft.status())
                {
                    agg::render_scanlines_bin_solid(g_rasterizer, g_scanline, rbase, g_attr[i].stroke_color);
                }
                else
                {
                    agg::render_scanlines_aa_solid(g_rasterizer, g_scanline, rbase, g_attr[i].stroke_color);
                }
            }
        }
    }
Esempio n. 22
0
    virtual void on_draw()
    {
        typedef agg::renderer_base<agg::pixfmt_bgr24> ren_base;

        agg::pixfmt_bgr24 pixf(rbuf_window());
        ren_base renb(pixf);
        renb.clear(agg::rgba(1, 1, 1));
        m_ras.clip_box(0,0, width(), height());

        agg::trans_perspective shadow_persp(m_shape_bounds.x1, m_shape_bounds.y1, 
                                            m_shape_bounds.x2, m_shape_bounds.y2,
                                            m_shadow_ctrl.polygon());

        agg::conv_transform<shape_type, 
                            agg::trans_perspective> shadow_trans(m_shape, 
                                                                 shadow_persp);

        // Render shadow
        m_ras.add_path(shadow_trans);
        agg::render_scanlines_aa_solid(m_ras, m_sl, renb, agg::rgba(0.2,0.3,0));

        // Calculate the bounding box and extend it by the blur radius
        agg::rect_d bbox;
        agg::bounding_rect_single(shadow_trans, 0, &bbox.x1, &bbox.y1, &bbox.x2, &bbox.y2);

        bbox.x1 -= m_radius.value();
        bbox.y1 -= m_radius.value();
        bbox.x2 += m_radius.value();
        bbox.y2 += m_radius.value();

        if(m_method.cur_item() == 1)
        {
            // The recursive blur method represents the true Gussian Blur,
            // with theoretically infinite kernel. The restricted window size
            // results in extra influence of edge pixels. It's impossible to
            // solve correctly, but extending the right and top areas to another
            // radius value produces fair result.
            //------------------
            bbox.x2 += m_radius.value();
            bbox.y2 += m_radius.value();
        }

        start_timer();
        if(m_method.cur_item() != 2)
        {
            // Create a new pixel renderer and attach it to the main one as a child image. 
            // It returns true if the attachment suceeded. It fails if the rectangle 
            // (bbox) is fully clipped.
            //------------------
            agg::pixfmt_bgr24 pixf2(m_rbuf2);
            if(pixf2.attach(pixf, int(bbox.x1), int(bbox.y1), int(bbox.x2), int(bbox.y2)))
            {
                // Blur it
                if(m_method.cur_item() == 0)
                {
                    // More general method, but 30-40% slower.
                    //------------------
                    //m_stack_blur.blur(pixf2, agg::uround(m_radius.value()));

                    // Faster, but bore specific. 
                    // Works only for 8 bits per channel and only with radii <= 254.
                    //------------------
                    agg::stack_blur_rgb24(pixf2, agg::uround(m_radius.value()), 
                                                 agg::uround(m_radius.value()));
                }
                else
                {
                    // True Gaussian Blur, 3-5 times slower than Stack Blur,
                    // but still constant time of radius. Very sensitive
                    // to precision, doubles are must here.
                    //------------------
                    m_recursive_blur.blur(pixf2, m_radius.value());
                }
            }
        }
        else
        {
            // Blur separate channels
            //------------------
            if(m_channel_r.status())
            {
                typedef agg::pixfmt_alpha_blend_gray<
                    agg::blender_gray8, 
                    agg::rendering_buffer,
                    3, 2> pixfmt_gray8r;

                pixfmt_gray8r pixf2r(m_rbuf2);
                if(pixf2r.attach(pixf, int(bbox.x1), int(bbox.y1), int(bbox.x2), int(bbox.y2)))
                {
                    agg::stack_blur_gray8(pixf2r, agg::uround(m_radius.value()), 
                                                  agg::uround(m_radius.value()));
                }
            }

            if(m_channel_g.status())
            {
                typedef agg::pixfmt_alpha_blend_gray<
                    agg::blender_gray8, 
                    agg::rendering_buffer,
                    3, 1> pixfmt_gray8g;

                pixfmt_gray8g pixf2g(m_rbuf2);
                if(pixf2g.attach(pixf, int(bbox.x1), int(bbox.y1), int(bbox.x2), int(bbox.y2)))
                {
                    agg::stack_blur_gray8(pixf2g, agg::uround(m_radius.value()), 
                                                  agg::uround(m_radius.value()));
                }
            }

            if(m_channel_b.status())
            {
                typedef agg::pixfmt_alpha_blend_gray<
                    agg::blender_gray8, 
                    agg::rendering_buffer,
                    3, 0> pixfmt_gray8b;

                pixfmt_gray8b pixf2b(m_rbuf2);
                if(pixf2b.attach(pixf, int(bbox.x1), int(bbox.y1), int(bbox.x2), int(bbox.y2)))
                {
                    agg::stack_blur_gray8(pixf2b, agg::uround(m_radius.value()), 
                                                  agg::uround(m_radius.value()));
                }
            }
        }
        double tm = elapsed_time();

        agg::render_ctrl(m_ras, m_sl, renb, m_shadow_ctrl);

        // Render the shape itself
        //------------------
        m_ras.add_path(m_shape);
        agg::render_scanlines_aa_solid(m_ras, m_sl, renb, agg::rgba(0.6,0.9,0.7, 0.8));

        char buf[64]; 
        agg::gsv_text t;
        t.size(10.0);

        agg::conv_stroke<agg::gsv_text> st(t);
        st.width(1.5);

        sprintf(buf, "%3.2f ms", tm);
        t.start_point(140.0, 30.0);
        t.text(buf);

        m_ras.add_path(st);
        agg::render_scanlines_aa_solid(m_ras, m_sl, renb, agg::rgba(0,0,0));


        agg::render_ctrl(m_ras, m_sl, renb, m_method);
        agg::render_ctrl(m_ras, m_sl, renb, m_radius);
        agg::render_ctrl(m_ras, m_sl, renb, m_channel_r);
        agg::render_ctrl(m_ras, m_sl, renb, m_channel_g);
        agg::render_ctrl(m_ras, m_sl, renb, m_channel_b);
    }