static font_manager_type *get_fman() { if (g_fman == NULL) { static font_engine_type feng; static font_manager_type fman(feng); //agg::glyph_rendering gren = agg::glyph_ren_agg_gray8; agg::glyph_rendering gren = agg::glyph_ren_outline; feng.load_font("/home/zlk/workroom/trunk/qtreserve/" "src/lib_render/test/text_test/simsun.ttc", //if (feng.load_font("/home/zlk/workroom/trunk/qtreserve/src/lib_render/test/aa_demo_test/MSYH.TTF", 0, gren); feng.height(36.0/2); feng.width(40.0/2); feng.hinting(true); feng.flip_y(true); g_fman = &fman; } return g_fman; }
virtual void on_draw() { pixfmt pixf(rbuf_window()); renderer_base rb(pixf); renderer_solid r(rb); rb.clear(agg::rgba(1, 1, 1)); scanline_type sl; agg::rasterizer_scanline_aa<> ras; agg::simple_polygon_vertex_source path1(m_poly1.polygon(), m_poly1.num_points(), false, false); agg::simple_polygon_vertex_source path2(m_poly2.polygon(), m_poly2.num_points(), false, false); typedef agg::conv_bspline<agg::simple_polygon_vertex_source> conv_bspline_type; conv_bspline_type bspline1(path1); conv_bspline_type bspline2(path2); bspline1.interpolation_step(1.0 / m_num_points.value()); bspline2.interpolation_step(1.0 / m_num_points.value()); typedef agg::conv_curve<font_manager_type::path_adaptor_type> conv_font_curve_type; typedef agg::conv_segmentator<conv_font_curve_type> conv_font_segm_type; typedef agg::conv_transform<conv_font_segm_type, agg::trans_double_path> conv_font_trans_type; agg::trans_double_path tcurve; conv_font_curve_type fcurves(m_fman.path_adaptor()); conv_font_segm_type fsegm(fcurves); conv_font_trans_type ftrans(fsegm, tcurve); tcurve.preserve_x_scale(m_preserve_x_scale.status()); if(m_fixed_len.status()) tcurve.base_length(1140.0); tcurve.base_height(30.0); tcurve.add_paths(bspline1, bspline2); fsegm.approximation_scale(3.0); fcurves.approximation_scale(5.0); if(m_feng.load_font(full_file_name("timesi.ttf"), 0, agg::glyph_ren_outline)) { double x = 0.0; double y = 3.0; const char* p = text; m_feng.hinting(false); m_feng.height(40); while(*p) { const agg::glyph_cache* glyph = m_fman.glyph(*p); if(glyph) { if(x > tcurve.total_length1()) break; m_fman.add_kerning(&x, &y); m_fman.init_embedded_adaptors(glyph, x, y); if(glyph->data_type == agg::glyph_data_outline) { ras.reset(); ras.add_path(ftrans); r.color(agg::rgba8(0, 0, 0)); agg::render_scanlines(ras, sl, r); } // increment pen position x += glyph->advance_x; y += glyph->advance_y; } ++p; } } else { message("Please copy file timesi.ttf to the current directory\n" "or download it from http://www.antigrain.com/timesi.zip"); } typedef agg::conv_stroke<conv_bspline_type> conv_stroke_type; conv_stroke_type stroke1(bspline1); conv_stroke_type stroke2(bspline2); stroke1.width(2.0); stroke2.width(2.0); r.color(agg::rgba8(170, 50, 20, 100)); ras.add_path(stroke1); agg::render_scanlines(ras, sl, r); ras.add_path(stroke2); agg::render_scanlines(ras, sl, r); //-------------------------- // Render the "poly" tool and controls r.color(agg::rgba(0, 0.3, 0.5, 0.2)); ras.add_path(m_poly1); agg::render_scanlines(ras, sl, r); ras.add_path(m_poly2); agg::render_scanlines(ras, sl, r); agg::render_ctrl(ras, sl, rb, m_fixed_len); agg::render_ctrl(ras, sl, rb, m_preserve_x_scale); agg::render_ctrl(ras, sl, rb, m_animate); agg::render_ctrl(ras, sl, rb, m_num_points); //-------------------------- }
virtual void on_draw() { pixfmt pixf(rbuf_window()); renderer_base rb(pixf); renderer_solid r(rb); rb.clear(agg::rgba(1, 1, 1)); scanline_type sl; agg::rasterizer_scanline_aa<> ras; m_poly.close(m_close.status()); agg::simple_polygon_vertex_source path(m_poly.polygon(), m_poly.num_points(), false, m_close.status()); typedef agg::conv_bspline<agg::simple_polygon_vertex_source> conv_bspline_type; conv_bspline_type bspline(path); bspline.interpolation_step(1.0 / m_num_points.value()); agg::trans_single_path tcurve; tcurve.add_path(bspline); tcurve.preserve_x_scale(m_preserve_x_scale.status()); if(m_fixed_len.status()) tcurve.base_length(1120); typedef agg::conv_curve<font_manager_type::path_adaptor_type> conv_font_curve_type; typedef agg::conv_segmentator<conv_font_curve_type> conv_font_segm_type; typedef agg::conv_transform<conv_font_segm_type, agg::trans_single_path> conv_font_trans_type; conv_font_curve_type fcurves(m_fman.path_adaptor()); conv_font_segm_type fsegm(fcurves); conv_font_trans_type ftrans(fsegm, tcurve); fsegm.approximation_scale(3.0); fcurves.approximation_scale(2.0); m_feng.height(40.0); //m_feng.italic(true); if(m_feng.create_font("Times New Roman", agg::glyph_ren_outline)) { double x = 0.0; double y = 3.0; const char* p = text; while(*p) { const agg::glyph_cache* glyph = m_fman.glyph(*p); if(glyph) { if(x > tcurve.total_length()) break; m_fman.add_kerning(&x, &y); m_fman.init_embedded_adaptors(glyph, x, y); if(glyph->data_type == agg::glyph_data_outline) { ras.reset(); ras.add_path(ftrans); r.color(agg::rgba8(0, 0, 0)); agg::render_scanlines(ras, sl, r); } // increment pen position x += glyph->advance_x; y += glyph->advance_y; } ++p; } } typedef agg::conv_stroke<conv_bspline_type> conv_stroke_type; conv_stroke_type stroke(bspline); stroke.width(2.0); r.color(agg::rgba8(170, 50, 20, 100)); ras.add_path(stroke); agg::render_scanlines(ras, sl, r); //-------------------------- // Render the "poly" tool and controls r.color(agg::rgba(0, 0.3, 0.5, 0.3)); ras.add_path(m_poly); agg::render_scanlines(ras, sl, r); agg::render_ctrl(ras, sl, rb, m_close); agg::render_ctrl(ras, sl, rb, m_preserve_x_scale); agg::render_ctrl(ras, sl, rb, m_fixed_len); agg::render_ctrl(ras, sl, rb, m_animate); agg::render_ctrl(ras, sl, rb, m_num_points); //-------------------------- }
void roadmap_canvas_agg_configure (unsigned char *buf, int width, int height, int stride) { roadmap_log( ROADMAP_ERROR, "roadmap_canvas_agg_configure, height =%d width=%d",height, width); agg_rbuf.attach(buf, width, height, stride); agg_renb.attach(agg_pixf); agg_renb.reset_clipping(true); ras.clip_box(0, 0, agg_renb.width() - 1, agg_renb.height() - 1); agg::glyph_rendering gren = agg::glyph_ren_outline; agg::glyph_rendering image_gren = agg::glyph_ren_agg_gray8; roadmap_config_declare ("preferences", &RoadMapConfigFont, "font.ttf", NULL); roadmap_config_declare ("preferences", &RoadMapConfigFontNormal, "font_normal.ttf", NULL); char *font_file = roadmap_path_join(roadmap_path_user(), roadmap_config_get (&RoadMapConfigFont)); if ((width) && (height)) roadmap_screen_set_screen_type( width, height ); if (!RoadMapCanvasFontLoaded) { if(m_feng.load_font(font_file, 0, gren) && m_image_feng.load_font(font_file, 0, image_gren)) { m_feng.hinting(true); if ( roadmap_screen_is_hd_screen() ) { m_feng.height(22); m_feng.width(22); } else { #ifdef _WIN32 m_feng.height(12); m_feng.width(12); #else m_feng.height(15); m_feng.width(15); #endif } m_feng.flip_y(true); m_image_feng.hinting(true); m_image_feng.flip_y(true); RoadMapCanvasFontLoaded = 1; } else { RoadMapCanvasFontLoaded = -1; char message[300]; snprintf(message, sizeof(message), "Can't load font: %s\n", font_file); roadmap_messagebox("Error", message); } } RoadMapCanvasFontLoaded = 1; roadmap_path_free(font_file); font_file = roadmap_path_join(roadmap_path_user(), roadmap_config_get (&RoadMapConfigFontNormal)); if(m_feng_nor.load_font(font_file, 0, gren) && m_image_feng_nor.load_font(font_file, 0, image_gren)) { m_feng_nor.hinting(true); if ( roadmap_screen_is_hd_screen() ) { m_feng_nor.height(22); m_feng_nor.width(22); } else { #ifdef _WIN32 m_feng_nor.height(12); m_feng_nor.width(12); #else m_feng_nor.height(15); m_feng_nor.width(15); #endif } m_feng_nor.flip_y(true); m_image_feng_nor.hinting(true); m_image_feng_nor.flip_y(true); RoadMapCanvasNormalFontLoaded = 1; } }