void generate_alpha_mask(ScanlineRasToDestBitmapRenderer sclineRasToBmp, ScanlinePacked8 sclnPack, ScanlineRasterizer rasterizer, int width, int height) { alphaBitmap = new ActualImage(width, height, PixelFormat.GrayScale8); var bmpReaderWrtier = new MyImageReaderWriter(alphaBitmap); alphaMaskImageBuffer = new ChildImage(bmpReaderWrtier, new PixelBlenderGray(1)); alphaMask = new AlphaMaskByteClipped(alphaMaskImageBuffer, 1, 0); #if USE_CLIPPING_ALPHA_MASK //alphaMaskImageBuffer.AttachBuffer(alphaBitmap.GetBuffer(), 20 * width + 20, width - 40, height - 40, width, 8, 1); #else alphaMaskImageBuffer.attach(alphaByteArray, (int)cx, (int)cy, cx, 1); #endif var image = new ChildImage(alphaMaskImageBuffer, new PixelBlenderGray(1), 1, 0, 8); ClipProxyImage clippingProxy = new ClipProxyImage(image); clippingProxy.Clear(ColorRGBA.Black); VertexSource.Ellipse ellipseForMask = new PixelFarm.Agg.VertexSource.Ellipse(); System.Random randGenerator = new Random(1432); int i; int num = (int)maskAlphaSliderValue; for (i = 0; i < num; i++) { if (i == num - 1) { ellipseForMask.Reset(Width / 2, Height / 2, 110, 110, 100); rasterizer.AddPath(ellipseForMask.MakeVertexSnap()); sclineRasToBmp.RenderWithColor(clippingProxy, rasterizer, sclnPack, new ColorRGBA(0, 0, 0, 255)); ellipseForMask.Reset(ellipseForMask.originX, ellipseForMask.originY, ellipseForMask.radiusX - 10, ellipseForMask.radiusY - 10, 100); rasterizer.AddPath(ellipseForMask.MakeVertexSnap()); sclineRasToBmp.RenderWithColor(clippingProxy, rasterizer, sclnPack, new ColorRGBA(255, 0, 0, 255)); } else { ellipseForMask.Reset(randGenerator.Next() % width, randGenerator.Next() % height, randGenerator.Next() % 100 + 20, randGenerator.Next() % 100 + 20, 100); // set the color to draw into the alpha channel. // there is not very much reason to set the alpha as you will get the amount of // transparency based on the color you draw. (you might want some type of different edeg effect but it will be minor). rasterizer.AddPath(ellipseForMask.MakeVxs()); sclineRasToBmp.RenderWithColor(clippingProxy, rasterizer, sclnPack, ColorRGBA.Make((int)((float)i / (float)num * 255), 0, 0, 255)); } } }
unsafe void generate_alpha_mask(int cx, int cy) { m_alpha_buf = new byte[cx * cy]; fixed(byte *pAlphaBuffer = m_alpha_buf) { #if USE_CLIPPING_ALPHA_MASK m_alpha_mask_rbuf.attach(pAlphaBuffer + 20 * cx + 20, (uint)cx - 40, (uint)cy - 40, cx, 1); #else m_alpha_mask_rbuf.attach(pAlphaBuffer, (uint)cx, (uint)cy, cx, 1); #endif FormatGray pixf = new FormatGray(m_alpha_mask_rbuf, new BlenderGray(), 1, 0); FormatClippingProxy clippingProxy = new FormatClippingProxy(pixf); ScanlinePacked8 sl = new ScanlinePacked8(); clippingProxy.Clear(new RGBA_Doubles(0)); VertexSource.Ellipse <T> ell = new AGG.VertexSource.Ellipse <T>(); System.Random randGenerator = new Random(1432); int i; int num = (int)m_num_cb.value().ToInt(); for (i = 0; i < num; i++) { if (i == num - 1) { ell.Init(width().Divide(2), height().Divide(2), M.New <T>(110), M.New <T>(110), 100); g_rasterizer.AddPath(ell); Renderer <T> .RenderSolid(clippingProxy, g_rasterizer, sl, new RGBA_Bytes(0, 0, 0, 255)); ell.Init(ell.X, ell.Y, ell.RX.Subtract(10), ell.RY.Subtract(10), 100); g_rasterizer.AddPath(ell); Renderer <T> .RenderSolid(clippingProxy, g_rasterizer, sl, new RGBA_Bytes(255, 0, 0, 255)); } else { ell.Init(randGenerator.Next() % cx, randGenerator.Next() % cy, randGenerator.Next() % 100 + 20, randGenerator.Next() % 100 + 20, 100); // set the color to draw into the alpha channel. // there is not very much reason to set the alpha as you will get the amount of // transparency based on the color you draw. (you might want some type of different edeg effect but it will be minor). g_rasterizer.AddPath(ell); Renderer <T> .RenderSolid(clippingProxy, g_rasterizer, sl, new RGBA_Bytes((uint)((float)i / (float)num * 255), 0, 0, 255)); } } m_alpha_mask_rbuf.dettachBuffer(); } }
internal ImageRenderer(Image <T> owner) : base() { m_Owner = owner; RasterizerScanlineAA <T> rasterizer = new RasterizerScanlineAA <T>(); IPixelFormat imagePixelFormat = new FormatRGBA(new RasterBuffer(), new BlenderBGRA()); FormatClippingProxy imageClippingProxy = new FormatClippingProxy(imagePixelFormat); Initialize(imageClippingProxy, rasterizer); ScanlineCache = new ScanlinePacked8(); }
public AggRenderSurface() { //1. attach dst bmp before use this //2. you can detach this surface and attach to another bmp surface _pixelBlenderBGRA = new PixelBlenderBGRA(); _destBitmapBlender = new MyBitmapBlender(); _bmpRasterizer = new DestBitmapRasterizer(); _sclinePack8 = new ScanlinePacked8(); _sclineRas = new ScanlineRasterizer(); _currentImgSpanGen = _imgSpanGenBilinearClip; CurrentTransformMatrix = Affine.IdentityMatrix; }
public AggPainter(AggRenderSurface aggsx) { //painter paint to target surface this._aggsx = aggsx; this.sclineRas = _aggsx.ScanlineRasterizer; this.stroke = new Stroke(1);//default this.scline = aggsx.ScanlinePacked8; this._bmpRasterizer = aggsx.BitmapRasterizer; _orientation = DrawBoardOrientation.LeftBottom; //from membuffer _bxt = new BitmapBuffer(aggsx.Width, aggsx.Height, PixelFarm.CpuBlit.ActualBitmap.GetBuffer(aggsx.DestActualImage)); _vectorTool = new VectorTool(); _useDefaultBrush = true; }
public static void glClear(int mask) { if ((mask & GL_COLOR_BUFFER_BIT) != 0) { FormatRGBA pf = new FormatRGBA(s_RenderingBuffer, new BlenderBGRA()); FormatClippingProxy renderBase = new FormatClippingProxy(pf); RasterizerScanlineAA <T> rasterizer = new RasterizerScanlineAA <T>(); ScanlinePacked8 scanline = new ScanlinePacked8(); renderBase.Clear(s_ClearColor); } if ((mask & GL_DEPTH_BUFFER_BIT) != 0) { } }
public AggRenderSurface(ActualBitmap destImage) { //create from actual image this.destActualImage = destImage; this.destImageReaderWriter = new MyBitmapBlender(destImage, new PixelBlenderBGRA()); // this.sclineRas = new ScanlineRasterizer(destImage.Width, destImage.Height); this._bmpRasterizer = new DestBitmapRasterizer(); // this.destWidth = destImage.Width; this.destHeight = destImage.Height; // this.clipBox = new RectInt(0, 0, destImage.Width, destImage.Height); this.sclineRas.SetClipBox(this.clipBox); this.sclinePack8 = new ScanlinePacked8(); }
public AggRenderSurface(MemBitmap dstBmp) { //create from actual image _destBmp = dstBmp; _pixelBlenderBGRA = new PixelBlenderBGRA(); _destBitmapBlender = new MyBitmapBlender(dstBmp, _pixelBlenderBGRA); // _bmpRasterizer = new DestBitmapRasterizer(); _sclinePack8 = new ScanlinePacked8(); _sclineRas = new ScanlineRasterizer(); // _sclineRas.SetClipBox( new RectInt(0, 0, _destWidth = dstBmp.Width, //** _destHeight = dstBmp.Height) //** ); CurrentTransformMatrix = Affine.IdentityMatrix; }
public override void OnDraw() { FormatRGB pf = new FormatRGB(rbuf_window(), new BlenderBGR()); FormatGray pfr = new FormatGray(rbuf_window(), new BlenderGray(), 3, 2); FormatGray pfg = new FormatGray(rbuf_window(), new BlenderGray(), 3, 1); FormatGray pfb = new FormatGray(rbuf_window(), new BlenderGray(), 3, 0); FormatClippingProxy clippingProxy = new FormatClippingProxy(pf); FormatClippingProxy clippingProxyRed = new FormatClippingProxy(pfr); FormatClippingProxy clippingProxyGreen = new FormatClippingProxy(pfg); FormatClippingProxy clippingProxyBlue = new FormatClippingProxy(pfb); RasterizerScanlineAA <T> ras = new RasterizerScanlineAA <T>(); ScanlinePacked8 sl = new ScanlinePacked8(); clippingProxy.Clear(m_UseBlackBackground.status() ? new RGBA_Doubles(0, 0, 0) : new RGBA_Doubles(1, 1, 1)); RGBA_Bytes FillColor = m_UseBlackBackground.status() ? new RGBA_Bytes(255, 255, 255, (uint)(m_alpha.value().ToInt())) : new RGBA_Bytes(0, 0, 0, (uint)(m_alpha.value().ToInt())); VertexSource.Ellipse <T> er = new AGG.VertexSource.Ellipse <T>(width().Divide(2).Subtract(0.87 * 50), height().Divide(2).Subtract(0.5 * 50), M.New <T>(100), M.New <T>(100), 100); ras.AddPath(er); Renderer <T> .RenderSolid(clippingProxyRed, ras, sl, FillColor); VertexSource.Ellipse <T> eg = new AGG.VertexSource.Ellipse <T>(width().Divide(2).Add(0.87 * 50), height().Divide(2).Subtract(0.5 * 50), M.New <T>(100), M.New <T>(100), 100); ras.AddPath(eg); Renderer <T> .RenderSolid(clippingProxyGreen, ras, sl, FillColor); //renderer_scanlines.render_scanlines_aa_solid(ras, sl, rbg, new gray8(0, unsigned(m_alpha.Value()))); VertexSource.Ellipse <T> eb = new AGG.VertexSource.Ellipse <T>(width().Divide(2), height().Divide(2).Add(50), M.New <T>(100), M.New <T>(100), 100); ras.AddPath(eb); Renderer <T> .RenderSolid(clippingProxyBlue, ras, sl, FillColor); //renderer_scanlines.render_scanlines_aa_solid(ras, sl, rbb, new gray8(0, unsigned(m_alpha.Value()))); //m_alpha.Render(ras, sl, clippingProxy); //m_UseBlackBackground.Render(ras, sl, clippingProxy); base.OnDraw(); }
public override bool init(uint width, uint height, uint flags) { bool good = base.init(width, height, flags); IPixelFormat screenPixelFormat; FormatClippingProxy screenClippingProxy; RasterizerScanlineAA <T> rasterizer = new RasterizerScanlineAA <T>(); ScanlinePacked8 scanlinePacked = new ScanlinePacked8(); if (rbuf_window().BitsPerPixel == 24) { screenPixelFormat = new FormatRGB(rbuf_window(), new BlenderBGR()); } else { screenPixelFormat = new FormatRGBA(rbuf_window(), new BlenderBGRA()); } screenClippingProxy = new FormatClippingProxy(screenPixelFormat); return(good); }
public override void Draw(PixelFarm.Drawing.Painter p) { //specific for agg if (!(p is AggPainter)) { return; } AggPainter p2 = (AggPainter)p; AggRenderSurface asx = p2.RenderSurface; if (asx.DestBitmapBlender != null) { IBitmapBlender backBuffer = asx.DestBitmapBlender; //use different pixel blender var redImageBuffer = new SubBitmapBlender(backBuffer, new PixelBlenderGrey()); var greenImageBuffer = new SubBitmapBlender(backBuffer, new PixelBlenderGrey()); var blueImageBuffer = new SubBitmapBlender(backBuffer, new PixelBlenderGrey()); ClipProxyImage clippingProxy = new ClipProxyImage(backBuffer); ClipProxyImage clippingProxyRed = new ClipProxyImage(redImageBuffer); ClipProxyImage clippingProxyGreen = new ClipProxyImage(greenImageBuffer); ClipProxyImage clippingProxyBlue = new ClipProxyImage(blueImageBuffer); // ScanlineRasterizer sclineRas = asx.ScanlineRasterizer; ScanlinePacked8 scline = asx.ScanlinePacked8; Drawing.Color clearColor = this.UseBlackBlackground ? Drawing.Color.FromArgb(0, 0, 0) : Drawing.Color.FromArgb(255, 255, 255); clippingProxy.Clear(clearColor); Drawing.Color fillColor = this.UseBlackBlackground ? new Drawing.Color((byte)(this.AlphaValue), 255, 255, 255) : new Drawing.Color((byte)(this.AlphaValue), 0, 0, 0); DestBitmapRasterizer bmpRas = asx.BitmapRasterizer; using (VectorToolBox.Borrow(out Ellipse ellipse)) using (VxsTemp.Borrow(out var v1)) { ellipse.Set(Width / 2 - 0.87 * 50, Height / 2 - 0.5 * 50, 100, 100, 100); sclineRas.AddPath(ellipse.MakeVxs(v1)); v1.Clear();//** bmpRas.RenderWithColor(clippingProxyRed, sclineRas, scline, fillColor); //// ellipse.Set(Width / 2 + 0.87 * 50, Height / 2 - 0.5 * 50, 100, 100, 100); sclineRas.AddPath(ellipse.MakeVxs(v1)); v1.Clear();//*** bmpRas.RenderWithColor(clippingProxyGreen, sclineRas, scline, fillColor); // ellipse.Set(Width / 2, Height / 2 + 50, 100, 100, 100); sclineRas.AddPath(ellipse.MakeVxs(v1)); v1.Clear(); //*** bmpRas.RenderWithColor(clippingProxyBlue, sclineRas, scline, fillColor); } } // else if (graphics2D.DestImageFloat != null) // { //#if false // IImageFloat backBuffer = graphics2D.DestImageFloat; // int distBetween = backBuffer.GetFloatsBetweenPixelsInclusive(); // ImageBufferFloat redImageBuffer = new ImageBufferFloat(); // redImageBuffer.Attach(backBuffer, new blender_gray(distBetween), distBetween, 2, 8); // ImageBufferFloat greenImageBuffer = new ImageBufferFloat(); // greenImageBuffer.Attach(backBuffer, new blender_gray(distBetween), distBetween, 1, 8); // ImageBufferFloat blueImageBuffer = new ImageBufferFloat(); // blueImageBuffer.Attach(backBuffer, new blender_gray(distBetween), distBetween, 0, 8); // ImageClippingProxy clippingProxy = new ImageClippingProxy(backBuffer); // ImageClippingProxy clippingProxyRed = new ImageClippingProxy(redImageBuffer); // ImageClippingProxy clippingProxyGreen = new ImageClippingProxy(greenImageBuffer); // ImageClippingProxy clippingProxyBlue = new ImageClippingProxy(blueImageBuffer); // ScanlineRasterizer ras = new ScanlineRasterizer(); // ScanlineCachePacked8 sl = new ScanlineCachePacked8(); // RGBA_Bytes clearColor = useBlackBackgroundCheckbox.Checked ? new RGBA_Bytes(0, 0, 0) : new RGBA_Bytes(255, 255, 255); // clippingProxy.clear(clearColor); // alphaSlider.View.BackGroundColor = clearColor; // RGBA_Bytes FillColor = useBlackBackgroundCheckbox.Checked ? new RGBA_Bytes(255, 255, 255, (int)(alphaSlider.Value)) : new RGBA_Bytes(0, 0, 0, (int)(alphaSlider.Value)); // VertexSource.Ellipse er = new AGG.VertexSource.Ellipse(Width / 2 - 0.87 * 50, Height / 2 - 0.5 * 50, 100, 100, 100); // ras.add_path(er); // agg_renderer_scanline.Default.render_scanlines_aa_solid(clippingProxyRed, ras, sl, FillColor); // VertexSource.Ellipse eg = new AGG.VertexSource.Ellipse(Width / 2 + 0.87 * 50, Height / 2 - 0.5 * 50, 100, 100, 100); // ras.add_path(eg); // agg_renderer_scanline.Default.render_scanlines_aa_solid(clippingProxyGreen, ras, sl, FillColor); // VertexSource.Ellipse eb = new AGG.VertexSource.Ellipse(Width / 2, Height / 2 + 50, 100, 100, 100); // ras.add_path(eb); // agg_renderer_scanline.Default.render_scanlines_aa_solid(clippingProxyBlue, ras, sl, FillColor); //#endif // } }
image_filters_application(PixelFormats format, ERenderOrigin RenderOrigin) : base(format, RenderOrigin) { m_step = new SliderWidget <T>(115, 5, 400, 11); m_radius = new SliderWidget <T>(115, 5 + 15, 400, 11 + 15); m_filters = new rbox_ctrl <T>(0.0, 0.0, 110.0, 210.0); m_normalize = new cbox_ctrl <T>(8.0, 215.0, "Normalize Filter"); m_refresh = new ButtonWidget <T>(8.0, 273.0, "Refresh", 8, 1, 1, 3); m_refresh.ButtonClick += RefreshImage; m_run = new ButtonWidget <T>(8.0, 253.0, "RUN Test!", 8, 1, 1, 3); m_run.ButtonClick += RunTest; m_single_step = new ButtonWidget <T>(8.0, 233.0, "Single Step", 8, 1, 1, 3); m_single_step.ButtonClick += SingleStep; m_cur_angle = (0.0); m_cur_filter = (1); m_num_steps = (0); m_num_pix = (0.0); m_time1 = (0); m_time2 = (0); m_ScanlinePacked = new ScanlinePacked8(); m_Rasterizer = new RasterizerScanlineAA <T>(); m_ScanlineUnpacked = new ScanlineUnpacked8(); m_SpanAllocator = new SpanAllocator(); AddChild(m_radius); AddChild(m_step); AddChild(m_filters); AddChild(m_run); AddChild(m_single_step); AddChild(m_normalize); AddChild(m_refresh); //m_single_step.text_size(7.5); m_normalize.SetFontSize(7.5); m_normalize.status(true); m_radius.label("Filter Radius={0:F2}"); m_step.label("Step={0:F2}"); m_radius.range(2.0, 8.0); m_radius.value(4.0); m_step.range(1.0, 10.0); m_step.value(5.0); m_filters.add_item("simple (NN)"); m_filters.add_item("bilinear"); m_filters.add_item("bicubic"); m_filters.add_item("spline16"); m_filters.add_item("spline36"); m_filters.add_item("hanning"); m_filters.add_item("hamming"); m_filters.add_item("hermite"); m_filters.add_item("kaiser"); m_filters.add_item("quadric"); m_filters.add_item("catrom"); m_filters.add_item("gaussian"); m_filters.add_item("bessel"); m_filters.add_item("mitchell"); m_filters.add_item("sinc"); m_filters.add_item("lanczos"); m_filters.add_item("blackman"); m_filters.cur_item(1); m_filters.border_width(0, 0); m_filters.background_color(new RGBA_Doubles(0.0, 0.0, 0.0, 0.1)); m_filters.text_size(6.0); m_filters.text_thickness(0.85); }
public blur_application(PixelFormats format, ERenderOrigin RenderOrigin) : base(format, RenderOrigin) { m_rbuf2 = new RasterBuffer(); m_shape_bounds = new RectDouble <T>(); m_method = new rbox_ctrl <T>(10.0, 10.0, 130.0, 70.0); m_radius = new SliderWidget <T>(130 + 10.0, 10.0 + 4.0, 130 + 300.0, 10.0 + 8.0 + 4.0); m_shadow_ctrl = new polygon_ctrl <T>(4); m_channel_r = new cbox_ctrl <T>(10.0, 80.0, "Red"); m_channel_g = new cbox_ctrl <T>(10.0, 95.0, "Green"); m_channel_b = new cbox_ctrl <T>(10.0, 110.0, "Blue"); m_FlattenCurves = new cbox_ctrl <T>(10, 315, "Convert And Flatten Curves"); m_FlattenCurves.status(true); AddChild(m_method); m_method.text_size(8); m_method.add_item("Stack Blur"); m_method.add_item("Recursive Blur"); m_method.add_item("Channels"); m_method.cur_item(1); AddChild(m_radius); m_radius.range(0.0, 40.0); m_radius.value(15.0); m_radius.label("Blur Radius={0:F2}"); AddChild(m_shadow_ctrl); AddChild(m_channel_r); AddChild(m_channel_g); AddChild(m_channel_b); AddChild(m_FlattenCurves); m_channel_g.status(true); m_sl = new ScanlinePacked8(); m_path = new PathStorage <T>(); m_shape = new ConvCurve <T>(m_path); m_path.RemoveAll(); m_path.MoveTo(28.47, 6.45); m_path.Curve3(21.58, 1.12, 19.82, 0.29); m_path.Curve3(17.19, -0.93, 14.21, -0.93); m_path.Curve3(9.57, -0.93, 6.57, 2.25); m_path.Curve3(3.56, 5.42, 3.56, 10.60); m_path.Curve3(3.56, 13.87, 5.03, 16.26); m_path.Curve3(7.03, 19.58, 11.99, 22.51); m_path.Curve3(16.94, 25.44, 28.47, 29.64); m_path.LineTo(28.47, 31.40); m_path.Curve3(28.47, 38.09, 26.34, 40.58); m_path.Curve3(24.22, 43.07, 20.17, 43.07); m_path.Curve3(17.09, 43.07, 15.28, 41.41); m_path.Curve3(13.43, 39.75, 13.43, 37.60); m_path.LineTo(13.53, 34.77); m_path.Curve3(13.53, 32.52, 12.38, 31.30); m_path.Curve3(11.23, 30.08, 9.38, 30.08); m_path.Curve3(7.57, 30.08, 6.42, 31.35); m_path.Curve3(5.27, 32.62, 5.27, 34.81); m_path.Curve3(5.27, 39.01, 9.57, 42.53); m_path.Curve3(13.87, 46.04, 21.63, 46.04); m_path.Curve3(27.59, 46.04, 31.40, 44.04); m_path.Curve3(34.28, 42.53, 35.64, 39.31); m_path.Curve3(36.52, 37.21, 36.52, 30.71); m_path.LineTo(36.52, 15.53); m_path.Curve3(36.52, 9.13, 36.77, 7.69); m_path.Curve3(37.01, 6.25, 37.57, 5.76); m_path.Curve3(38.13, 5.27, 38.87, 5.27); m_path.Curve3(39.65, 5.27, 40.23, 5.62); m_path.Curve3(41.26, 6.25, 44.19, 9.18); m_path.LineTo(44.19, 6.45); m_path.Curve3(38.72, -0.88, 33.74, -0.88); m_path.Curve3(31.35, -0.88, 29.93, 0.78); m_path.Curve3(28.52, 2.44, 28.47, 6.45); m_path.ClosePolygon(); m_path.MoveTo(28.47, 9.62); m_path.LineTo(28.47, 26.66); m_path.Curve3(21.09, 23.73, 18.95, 22.51); m_path.Curve3(15.09, 20.36, 13.43, 18.02); m_path.Curve3(11.77, 15.67, 11.77, 12.89); m_path.Curve3(11.77, 9.38, 13.87, 7.06); m_path.Curve3(15.97, 4.74, 18.70, 4.74); m_path.Curve3(22.41, 4.74, 28.47, 9.62); m_path.ClosePolygon(); IAffineTransformMatrix <T> shape_mtx = MatrixFactory <T> .NewIdentity(VectorDimension.Two); shape_mtx.Scale(M.New <T>(4.0)); shape_mtx.Translate(MatrixFactory <T> .CreateVector2D(150, 100)); m_path.Transform(shape_mtx); BoundingRect <T> .BoundingRectSingle(m_shape, 0, ref m_shape_bounds); m_shadow_ctrl.SetXN(0, m_shape_bounds.x1); m_shadow_ctrl.SetYN(0, m_shape_bounds.y1); m_shadow_ctrl.SetXN(1, m_shape_bounds.x2); m_shadow_ctrl.SetYN(1, m_shape_bounds.y1); m_shadow_ctrl.SetXN(2, m_shape_bounds.x2); m_shadow_ctrl.SetYN(2, m_shape_bounds.y2); m_shadow_ctrl.SetXN(3, m_shape_bounds.x1); m_shadow_ctrl.SetYN(3, m_shape_bounds.y2); m_shadow_ctrl.line_color(new RGBA_Doubles(0, 0.3, 0.5, 0.3)); }
public override void OnDraw() { GammaLut gamma = new GammaLut(m_gamma.value().ToDouble()); IBlender NormalBlender = new BlenderBGRA(); IBlender GammaBlender = new BlenderGammaBGRA(gamma); FormatRGBA pixf = new FormatRGBA(rbuf_window(), NormalBlender); FormatClippingProxy clippingProxy = new FormatClippingProxy(pixf); clippingProxy.Clear(m_white_on_black.status() ? new RGBA_Doubles(0, 0, 0) : new RGBA_Doubles(1, 1, 1)); RasterizerScanlineAA <T> ras = new RasterizerScanlineAA <T>(); ScanlinePacked8 sl = new ScanlinePacked8(); Ellipse <T> e = new Ellipse <T>(); // TODO: If you drag the control circles below the bottom of the window we get an exception. This does not happen in AGG. // It needs to be debugged. Turning on clipping fixes it. But standard agg works without clipping. Could be a bigger problem than this. //ras.clip_box(0, 0, width(), height()); // Render two "control" circles e.Init(m_x[0], m_y[0], M.New <T>(3), M.New <T>(3), 16); ras.AddPath(e); Renderer <T> .RenderSolid(clippingProxy, ras, sl, new RGBA_Bytes(127, 127, 127)); e.Init(m_x[1], m_y[1], M.New <T>(3), M.New <T>(3), 16); ras.AddPath(e); Renderer <T> .RenderSolid(clippingProxy, ras, sl, new RGBA_Bytes(127, 127, 127)); T d = m_offset.value(); // Creating a rounded rectangle RoundedRect <T> r = new RoundedRect <T>(m_x[0].Add(d), m_y[0].Add(d), m_x[1].Add(d), m_y[1].Add(d), m_radius.value()); r.NormalizeRadius(); // Drawing as an outline if (!m_DrawAsOutlineCheckBox.status()) { ConvStroke <T> p = new ConvStroke <T>(r); p.Width = M.One <T>(); ras.AddPath(p); } else { ras.AddPath(r); } pixf.Blender = GammaBlender; Renderer <T> .RenderSolid(clippingProxy, ras, sl, m_white_on_black.status()?new RGBA_Bytes(1, 1, 1) : new RGBA_Bytes(0, 0, 0)); // this was in the original demo, but it does nothing because we changed the blender not the gamma function. //ras.gamma(new gamma_none()); // so let's change the blender instead pixf.Blender = NormalBlender; // Render the controls //m_radius.Render(ras, sl, clippingProxy); //m_gamma.Render(ras, sl, clippingProxy); //m_offset.Render(ras, sl, clippingProxy); //m_white_on_black.Render(ras, sl, clippingProxy); //m_DrawAsOutlineCheckBox.Render(ras, sl, clippingProxy); base.OnDraw(); }