private void DoTest(TestCase test)
{
var canvas = new Canvas();
canvas.Width = 300;
canvas.Height = 700;
ICanvasRenderingContext2D ctx = new CanvasRenderingContext2D(canvas, this, true);
string url = test(ctx);
ctx.commit();
string location = Application.ResourceAssembly.Location;
string path = location.Remove(location.LastIndexOf("\\"));
var di = new DirectoryInfo(path);
url = di.Parent.Parent.Parent.FullName + "\\SharpCanvas.Tests\\" + url;
if (File.Exists(url))
{
pctOriginal.Source = new BitmapImage(new Uri(url));
pctOriginal.Visibility = Visibility.Visible;
}
else
{
pctOriginal.Visibility = Visibility.Hidden;
}
ctResults.Children.Clear();
ctResults.Children.Add(canvas);
}
public void flyMe(CanvasRenderingContext2D ctx, int i)
{
container.Children.Clear();
ctx.save();
ctx.translate(0, Math.Cos(i*0.1)*40);
double a = Math.Sin(i*0.1);
// right wing
ctx.save();
ctx.rotate(Math.PI*0.4);
wing(ctx, 8, a);
ctx.commit();
ctx.restore();
// left wing
ctx._path.GetNumberOfCommits();
ctx._path.GetNumberOfPaths();
ctx.save();
ctx.scale(-1, 1);
ctx.rotate(Math.PI*0.4);
wing(ctx, 8, a);
ctx.commit();
ctx.restore();
Debugger.Log(0, "Timing", "Left wing, Commits:" + ctx._path.GetNumberOfCommits());
Debugger.Log(0, "Timing", "Left wing, Paths:" + ctx._path.GetNumberOfPaths());
// tail
ctx.save();
tail(ctx, 10, Math.Sin(i*0.05));
ctx.commit();
ctx.restore();
// head
neck(ctx, 12);
ctx.commit();
ctx.restore();
}
public FlyingDragon(HTMLElement container)
{
this.container = container;
_ctx = new CanvasRenderingContext2D(container, this, true);
_ctx.translate(280, 200);
}
private void wing(CanvasRenderingContext2D ctx, double r, double a)
{
if (r < 2.9) return;
fillCircle(ctx, r);
branch(ctx, r, 0.9561, 0.03*Math.PI, a);
ctx.save();
ctx.rotate(0.55*Math.PI);
feather(ctx, 0.8*r);
ctx.restore();
}
private void tail(CanvasRenderingContext2D ctx, double s, double a)
{
if (s < 0.5) return;
double d = 0.98; // decay
fillCircle(ctx, s);
ctx.rotate(-0.15*a);
ctx.translate(0, s*(1 + d));
tail(ctx, s*d, a);
}
private void neck(CanvasRenderingContext2D ctx, double s)
{
if (s < 10)
{
head(ctx);
return;
}
double d = 0.85;
fillCircle(ctx, s);
ctx.save();
ctx.rotate(-Math.PI/2);
ctx.translate(0, s);
fillCircle(ctx, s/2);
ctx.restore();
ctx.rotate(-0.15);
ctx.translate(0, -s*(1 + d));
neck(ctx, s*d);
}
private void head(CanvasRenderingContext2D ctx)
{
fillCircle(ctx, 22);
// mouth
ctx.save();
ctx.translate(-15, -3);
//ctx.beginPath();
ctx.fillStyle = "white";
ctx.arc(0, 0, 10, 0, Math.PI*2, true);
ctx.fill();
ctx.restore();
// eye
ctx.translate(9, -4);
//ctx.beginPath();
ctx.fillStyle = "black";
ctx.arc(0, 0, 5, 0, Math.PI*2, true);
ctx.fill();
// horn
ctx.translate(6, -8);
ctx.rotate(0.6*Math.PI);
wing(ctx, 5.5, 1.8);
}
private void fillCircle(CanvasRenderingContext2D ctx, double r)
{
//ctx.beginPath();
ctx.moveTo(r, 0);
ctx.fillStyle = "rgb(245,50,50)";
ctx.arc(0, 0, r, 0, Math.PI*2, true);
ctx.fill();
}
private void feather(CanvasRenderingContext2D ctx, double r)
{
if (r < 3) return;
double d = 0.85;
ctx.rotate(-0.03*Math.PI);
ctx.translate(0, -r*(1 + d));
fillCircle(ctx, r);
feather(ctx, r*d);
}
private void branch(CanvasRenderingContext2D ctx, double r, double d, double t, double a)
{
ctx.save();
ctx.rotate(t*a);
ctx.translate(0, -r*(1 + d));
wing(ctx, r*d, a);
ctx.restore();
}
