static System.Drawing.Bitmap CreateBackgroundBmp(int w, int h) { //---------------------------------------------------- //1. create background bitmap System.Drawing.Bitmap bmp = new System.Drawing.Bitmap(w, h); //2. create graphics from bmp System.Drawing.Graphics g = System.Drawing.Graphics.FromImage(bmp); // draw a background to show how the mask is working better g.Clear(System.Drawing.Color.White); int rect_w = 30; var v1 = new VertexStore();//todo; use pool for (int i = 0; i < 40; i++) { for (int j = 0; j < 40; j++) { if ((i + j) % 2 != 0) { VertexSource.RoundedRect rect = new VertexSource.RoundedRect(i * rect_w, j * rect_w, (i + 1) * rect_w, (j + 1) * rect_w, 0); rect.NormalizeRadius(); // Drawing as an outline VxsHelper.FillVxsSnap(g, new VertexStoreSnap(rect.MakeVxs(v1)), Drawing.Color.Make(.9f, .9f, .9f)); v1.Clear(); } } } //---------------------------------------------------- return(bmp); }
public override void Draw(CanvasPainter p) { if (p is GdiPlusCanvasPainter) { DrawWithWinGdi((GdiPlusCanvasPainter)p); return; } AggCanvasPainter p2 = (AggCanvasPainter)p; Graphics2D gx = p2.Graphics; var widgetsSubImage = gx.DestImage; var scline = gx.ScanlinePacked8; int width = (int)widgetsSubImage.Width; int height = (int)widgetsSubImage.Height; //change value *** if (isMaskSliderValueChanged) { generate_alpha_mask(gx.ScanlineRasToDestBitmap, gx.ScanlinePacked8, gx.ScanlineRasterizer, width, height); this.isMaskSliderValueChanged = false; } var rasterizer = gx.ScanlineRasterizer; rasterizer.SetClipBox(0, 0, width, height); //alphaMaskImageBuffer.AttachBuffer(alphaByteArray, 0, width, height, width, 8, 1); PixelFarm.Agg.Imaging.AlphaMaskAdaptor imageAlphaMaskAdaptor = new PixelFarm.Agg.Imaging.AlphaMaskAdaptor(widgetsSubImage, alphaMask); ClipProxyImage alphaMaskClippingProxy = new ClipProxyImage(imageAlphaMaskAdaptor); ClipProxyImage clippingProxy = new ClipProxyImage(widgetsSubImage); ////Affine transform = Affine.NewIdentity(); ////transform *= Affine.NewTranslation(-lionShape.Center.x, -lionShape.Center.y); ////transform *= Affine.NewScaling(lionScale, lionScale); ////transform *= Affine.NewRotation(angle + Math.PI); ////transform *= Affine.NewSkewing(skewX / 1000.0, skewY / 1000.0); ////transform *= Affine.NewTranslation(Width / 2, Height / 2); Affine transform = Affine.NewMatix( AffinePlan.Translate(-lionShape.Center.x, -lionShape.Center.y), AffinePlan.Scale(lionScale, lionScale), AffinePlan.Rotate(angle + Math.PI), AffinePlan.Skew(skewX / 1000.0, skewY / 1000.0), AffinePlan.Translate(width / 2, height / 2)); clippingProxy.Clear(Drawing.Color.White); ScanlineRasToDestBitmapRenderer sclineRasToBmp = gx.ScanlineRasToDestBitmap; // draw a background to show how the mask is working better int rect_w = 30; var v1 = GetFreeVxs(); for (int i = 0; i < 40; i++) { for (int j = 0; j < 40; j++) { if ((i + j) % 2 != 0) { VertexSource.RoundedRect rect = new VertexSource.RoundedRect(i * rect_w, j * rect_w, (i + 1) * rect_w, (j + 1) * rect_w, 0); rect.NormalizeRadius(); // Drawing as an outline rasterizer.AddPath(rect.MakeVxs(v1)); v1.Clear(); sclineRasToBmp.RenderWithColor(clippingProxy, rasterizer, scline, Drawing.Color.Make(.9f, .9f, .9f)); } } } ReleaseVxs(ref v1); ////int x, y; //// Render the lion ////VertexSourceApplyTransform trans = new VertexSourceApplyTransform(lionShape.Path, transform); ////var vxlist = new System.Collections.Generic.List<VertexData>(); ////trans.DoTransform(vxlist); var tmpVxs1 = new VertexStore(); transform.TransformToVxs(lionShape.Path.Vxs, tmpVxs1); sclineRasToBmp.RenderSolidAllPaths(alphaMaskClippingProxy, rasterizer, scline, tmpVxs1, lionShape.Colors, lionShape.PathIndexList, lionShape.NumPaths); ///* //// Render random Bresenham lines and markers //agg::renderer_markers<amask_ren_type> m(r); //for(i = 0; i < 50; i++) //{ // m.line_color(agg::rgba8(randGenerator.Next() & 0x7F, // randGenerator.Next() & 0x7F, // randGenerator.Next() & 0x7F, // (randGenerator.Next() & 0x7F) + 0x7F)); // m.fill_color(agg::rgba8(randGenerator.Next() & 0x7F, // randGenerator.Next() & 0x7F, // randGenerator.Next() & 0x7F, // (randGenerator.Next() & 0x7F) + 0x7F)); // m.line(m.coord(randGenerator.Next() % width), m.coord(randGenerator.Next() % height), // m.coord(randGenerator.Next() % width), m.coord(randGenerator.Next() % height)); // m.marker(randGenerator.Next() % width, randGenerator.Next() % height, randGenerator.Next() % 10 + 5, // agg::marker_e(randGenerator.Next() % agg::end_of_markers)); //} //// Render random anti-aliased lines //double w = 5.0; //agg::line_profile_aa profile; //profile.width(w); //typedef agg::renderer_outline_aa<amask_ren_type> renderer_type; //renderer_type ren(r, profile); //typedef agg::rasterizer_outline_aa<renderer_type> rasterizer_type; //rasterizer_type ras(ren); //ras.round_cap(true); //for(i = 0; i < 50; i++) //{ // ren.Color = agg::rgba8(randGenerator.Next() & 0x7F, // randGenerator.Next() & 0x7F, // randGenerator.Next() & 0x7F, // //255)); // (randGenerator.Next() & 0x7F) + 0x7F); // ras.move_to_d(randGenerator.Next() % width, randGenerator.Next() % height); // ras.line_to_d(randGenerator.Next() % width, randGenerator.Next() % height); // ras.render(false); //} //// Render random circles with gradient //typedef agg::gradient_linear_color<color_type> grad_color; //typedef agg::gradient_circle grad_func; //typedef agg::span_interpolator_linear<> interpolator_type; //typedef agg::span_gradient<color_type, // interpolator_type, // grad_func, // grad_color> span_grad_type; //agg::trans_affine grm; //grad_func grf; //grad_color grc(agg::rgba8(0,0,0), agg::rgba8(0,0,0)); //agg::ellipse ell; //agg::span_allocator<color_type> sa; //interpolator_type inter(grm); //span_grad_type sg(inter, grf, grc, 0, 10); //agg::renderer_scanline_aa<amask_ren_type, // agg::span_allocator<color_type>, // span_grad_type> rg(r, sa, sg); //for(i = 0; i < 50; i++) //{ // x = randGenerator.Next() % width; // y = randGenerator.Next() % height; // double r = randGenerator.Next() % 10 + 5; // grm.reset(); // grm *= agg::trans_affine_scaling(r / 10.0); // grm *= agg::trans_affine_translation(x, y); // grm.invert(); // grc.colors(agg::rgba8(255, 255, 255, 0), // agg::rgba8(randGenerator.Next() & 0x7F, // randGenerator.Next() & 0x7F, // randGenerator.Next() & 0x7F, // 255)); // sg.color_function(grc); // ell.init(x, y, r, r, 32); // g_rasterizer.add_path(ell); // agg::render_scanlines(g_rasterizer, g_scanline, rg); //} // */ ////m_num_cb.Render(g_rasterizer, g_scanline, clippingProxy); }