Exemple #1
0
        private void render_gpc(Graphics2D graphics2D)
        {
            switch (m_polygons.SelectedIndex)
            {
            case 0:
            {
                //------------------------------------
                // Two simple paths
                //
                VertexStorage ps1 = new VertexStorage();
                VertexStorage ps2 = new VertexStorage();

                double x = m_x - Width / 2 + 100;
                double y = m_y - Height / 2 + 100;
                ps1.MoveTo(x + 140, y + 145);
                ps1.LineTo(x + 225, y + 44);
                ps1.LineTo(x + 296, y + 219);
                ps1.ClosePolygon();

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

                ps1.MoveTo(x + 220, y + 222);
                ps1.LineTo(x + 363, y + 249);
                ps1.LineTo(x + 265, y + 331);

                ps1.MoveTo(x + 242, y + 243);
                ps1.LineTo(x + 268, y + 309);
                ps1.LineTo(x + 325, y + 261);

                ps1.MoveTo(x + 259, y + 259);
                ps1.LineTo(x + 273, y + 288);
                ps1.LineTo(x + 298, y + 266);

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

                graphics2D.Render(ps1, new ColorF(0, 0, 0, 0.1).ToColor());
                graphics2D.Render(ps2, new ColorF(0, 0.6, 0, 0.1).ToColor());

                CreateAndRenderCombined(graphics2D, ps1, ps2);
            }
            break;

            case 1:
            {
                //------------------------------------
                // Closed stroke
                //
                VertexStorage ps1    = new VertexStorage();
                VertexStorage ps2    = new VertexStorage();
                Stroke        stroke = new Stroke(ps2);
                stroke.width(10.0);

                double x = m_x - Width / 2 + 100;
                double y = m_y - Height / 2 + 100;
                ps1.MoveTo(x + 140, y + 145);
                ps1.LineTo(x + 225, y + 44);
                ps1.LineTo(x + 296, y + 219);
                ps1.ClosePolygon();

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

                ps1.MoveTo(x + 220 - 50, y + 222);
                ps1.LineTo(x + 265 - 50, y + 331);
                ps1.LineTo(x + 363 - 50, y + 249);
                ps1.close_polygon(ShapePath.FlagsAndCommand.FlagCCW);

                ps2.MoveTo(100 + 32, 100 + 77);
                ps2.LineTo(100 + 473, 100 + 263);
                ps2.LineTo(100 + 351, 100 + 290);
                ps2.LineTo(100 + 354, 100 + 374);
                ps2.ClosePolygon();

                graphics2D.Render(ps1, new ColorF(0, 0, 0, 0.1).ToColor());
                graphics2D.Render(stroke, new ColorF(0, 0.6, 0, 0.1).ToColor());

                CreateAndRenderCombined(graphics2D, ps1, stroke);
            }
            break;

            case 2:
            {
                //------------------------------------
                // Great Britain and Arrows
                //
                VertexStorage gb_poly = new VertexStorage();
                VertexStorage arrows  = new VertexStorage();
                GreatBritanPathStorage.Make(gb_poly);
                make_arrows(arrows);

                Affine mtx1 = Affine.NewIdentity();
                Affine mtx2 = Affine.NewIdentity();
                mtx1 *= Affine.NewTranslation(-1150, -1150);
                mtx1 *= Affine.NewScaling(2.0);

                mtx2  = mtx1;
                mtx2 *= Affine.NewTranslation(m_x - Width / 2, m_y - Height / 2);

                VertexSourceApplyTransform trans_gb_poly = new VertexSourceApplyTransform(gb_poly, mtx1);
                VertexSourceApplyTransform trans_arrows  = new VertexSourceApplyTransform(arrows, mtx2);

                graphics2D.Render(trans_gb_poly, new ColorF(0.5, 0.5, 0, 0.1).ToColor());

                Stroke stroke_gb_poly = new Stroke(trans_gb_poly);
                stroke_gb_poly.Width = 0.1;
                graphics2D.Render(stroke_gb_poly, new ColorF(0, 0, 0).ToColor());

                graphics2D.Render(trans_arrows, new ColorF(0.0, 0.5, 0.5, 0.1).ToColor());

                CreateAndRenderCombined(graphics2D, trans_gb_poly, trans_arrows);
            }
            break;

            case 3:
            {
                //------------------------------------
                // Great Britain and a Spiral
                //
                spiral sp     = new spiral(m_x, m_y, 10, 150, 30, 0.0);
                Stroke stroke = new Stroke(sp);
                stroke.width(15.0);

                VertexStorage gb_poly = new VertexStorage();
                GreatBritanPathStorage.Make(gb_poly);

                Affine mtx = Affine.NewIdentity();;
                mtx *= Affine.NewTranslation(-1150, -1150);
                mtx *= Affine.NewScaling(2.0);

                VertexSourceApplyTransform trans_gb_poly = new VertexSourceApplyTransform(gb_poly, mtx);

                graphics2D.Render(trans_gb_poly, new ColorF(0.5, 0.5, 0, 0.1).ToColor());

                Stroke stroke_gb_poly = new Stroke(trans_gb_poly);
                stroke_gb_poly.width(0.1);
                graphics2D.Render(stroke_gb_poly, new ColorF(0, 0, 0).ToColor());

                graphics2D.Render(stroke, new ColorF(0.0, 0.5, 0.5, 0.1).ToColor());

                CreateAndRenderCombined(graphics2D, trans_gb_poly, stroke);
            }
            break;

            case 4:
            {
                //------------------------------------
                // Spiral and glyph
                //
                spiral sp     = new spiral(m_x, m_y, 10, 150, 30, 0.0);
                Stroke stroke = new Stroke(sp);
                stroke.width(15.0);

                VertexStorage glyph = new VertexStorage();
                glyph.MoveTo(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.LineTo(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.LineTo(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.LineTo(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.LineTo(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.ClosePolygon();

                glyph.MoveTo(28.47, 9.62);
                glyph.LineTo(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.ClosePolygon();

                Affine mtx = Affine.NewIdentity();
                mtx *= Affine.NewScaling(4.0);
                mtx *= Affine.NewTranslation(220, 200);
                VertexSourceApplyTransform trans = new VertexSourceApplyTransform(glyph, mtx);
                FlattenCurves curve = new FlattenCurves(trans);

                CreateAndRenderCombined(graphics2D, stroke, curve);

                graphics2D.Render(stroke, new ColorF(0, 0, 0, 0.1).ToColor());

                graphics2D.Render(curve, new ColorF(0, 0.6, 0, 0.1).ToColor());
            }
            break;
            }
        }