public override void Draw(Graphics2D g)
{
int width = 800;
int height = 600;
//clear the image to white
g.Clear(ColorRGBA.White);
// draw a circle
Ellipse ellipsePro = new Ellipse(0, 0, 100, 50);
for (double angleDegrees = 0; angleDegrees < 180; angleDegrees += 22.5)
{
var mat = Affine.NewMatix(
AffinePlan.Rotate(MathHelper.DegreesToRadians(angleDegrees)),
AffinePlan.Translate(width / 2, 150));
VertexStore sp1 = mat.TransformToVxs(ellipsePro.MakeVxs());
g.Render(sp1, ColorRGBA.Yellow);
//Stroke ellipseOutline = new Stroke(sp1, 3);
g.Render(StrokeHelp.MakeVxs(sp1, 3), ColorRGBA.Blue);
}
// and a little polygon
PathWriter littlePoly = new PathWriter();
littlePoly.MoveTo(50, 50);
littlePoly.LineTo(150, 50);
littlePoly.LineTo(200, 200);
littlePoly.LineTo(50, 150);
littlePoly.LineTo(50, 50);
g.Render(littlePoly.MakeVertexSnap(), ColorRGBA.Cyan);
// draw some text
// draw some text
var textPrinter = new TextPrinter();
textPrinter.CurrentFont = SvgFontStore.LoadFont(SvgFontStore.DEFAULT_SVG_FONTNAME, 30);
//new TypeFacePrinter("Printing from a printer", 30, justification: Justification.Center);
VertexStore vxs = textPrinter.CreateVxs("Printing from a printer".ToCharArray());
var affTx = Affine.NewTranslation(width / 2, height / 4 * 3);
VertexStore s1 = affTx.TransformToVxs(vxs);
g.Render(s1, ColorRGBA.Black);
g.Render(StrokeHelp.MakeVxs(s1, 1), ColorRGBA.Red);
var aff2 = Affine.NewMatix(
AffinePlan.Rotate(MathHelper.DegreesToRadians(90)),
AffinePlan.Translate(40, height / 2));
g.Render(aff2.TransformToVertexSnap(vxs), ColorRGBA.Black);
}
public void OnDraw(Graphics2D graphics2D)
{
var widgetsSubImage = ImageHelper.CreateChildImage(graphics2D.DestImage, graphics2D.GetClippingRect());
graphics2D.UseSubPixelRendering = false;
IPixelBlender NormalBlender = new PixelBlenderBGRA();
IPixelBlender GammaBlender = new PixelBlenderGammaBGRA(this.GammaValue);
var rasterGamma = new ChildImage(widgetsSubImage, GammaBlender);
ClipProxyImage clippingProxyNormal = new ClipProxyImage(widgetsSubImage);
ClipProxyImage clippingProxyGamma = new ClipProxyImage(rasterGamma);
clippingProxyNormal.Clear(ColorRGBA.White);
var rasterizer = graphics2D.ScanlineRasterizer;
ScanlineUnpacked8 sl = new ScanlineUnpacked8();
int size_mul = (int)this.PixelSize;
CustomScanlineRasToBmp_EnlargedV3 ren_en = new CustomScanlineRasToBmp_EnlargedV3(size_mul, graphics2D.DestActualImage);
rasterizer.Reset();
rasterizer.MoveTo(m_x[0] / size_mul, m_y[0] / size_mul);
rasterizer.LineTo(m_x[1] / size_mul, m_y[1] / size_mul);
rasterizer.LineTo(m_x[2] / size_mul, m_y[2] / size_mul);
ren_en.RenderWithColor(clippingProxyGamma, rasterizer, sl, ColorRGBA.Black);
//----------------------------------------
ScanlineRasToDestBitmapRenderer sclineRasToBmp = graphics2D.ScanlineRasToDestBitmap;
graphics2D.UseSubPixelRendering = true;
sclineRasToBmp.RenderWithColor(clippingProxyGamma, rasterizer, sl, ColorRGBA.Black);
rasterizer.ResetGamma(new GammaNone());
graphics2D.UseSubPixelRendering = false;
//----------------------------------------
PathWriter ps = new PathWriter();
ps.Clear();
ps.MoveTo(m_x[0], m_y[0]);
ps.LineTo(m_x[1], m_y[1]);
ps.LineTo(m_x[2], m_y[2]);
ps.LineTo(m_x[0], m_y[0]);
//----------------------------------------
//Stroke stroke = new Stroke(ps);
//stroke.Width = 2;
//rasterizer.AddPath(stroke.MakeVxs(ps.MakeVxs()));
rasterizer.AddPath(StrokeHelp.MakeVxs(ps.Vxs, 2));
//----------------------------------------
sclineRasToBmp.RenderWithColor(clippingProxyNormal, rasterizer, sl, new ColorRGBA(0, 150, 160, 200));
}
