private void DoTest(TestCase test)
{
if (animation.IsStarted)
animation.Stop();
Graphics g = ctResults.Panel1.CreateGraphics();
//this.CreateGraphics();
g.Clear(Color.White);
var bmp = new Bitmap((int) g.VisibleClipBounds.Width, (int) g.VisibleClipBounds.Height);
Graphics tmp = Graphics.FromImage(bmp);
var ctx = new CanvasRenderingContext2D(tmp, bmp, new Pen(Color.Black, 1), new Fill(Color.Black), false);
string url = test(ctx);
g.DrawImage(bmp, 0, 0);
var di = new DirectoryInfo(Application.StartupPath);
url = di.Parent.Parent.Parent.FullName + "\\SharpCanvas.Tests\\" + url;
if (File.Exists(url))
{
pctOriginal.Load(url);
pctOriginal.Show();
}
else
{
pctOriginal.Hide();
}
}
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();
}
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);
}
public FlyingDragon(Graphics g, int width, int height, Pen stroke, Fill fill, int interval)
{
_g = g;
GraphicManager = BufferedGraphicsManager.Current;
GraphicManager.MaximumBuffer =
new Size(width + 1, height + 1);
ManagedBackBuffer =
GraphicManager.Allocate(_g, new Rectangle(0, 0, width, height));
_ctx = new CanvasRenderingContext2D(ManagedBackBuffer.Graphics, null, stroke, fill, false);
this.interval = interval;
}
private void ExecuteTest(int testIndex)
{
Graphics g = CreateGraphics();
g.Clear(Color.White);
var ctx = new CanvasRenderingContext2D(g, null, new Pen(Color.Black, 1), new Fill(Color.Black), false);
tests[testIndex](ctx);
Text = "Test #" + (testIndex + 1);
}
private void fly(CanvasRenderingContext2D ctx, double i, ToolStripStatusLabel label)
{
ElapsedEventHandler inner = delegate
{
bool isLocked = !Monitor.TryEnter(sync);
if (!isLocked)
{
i++;
ctx.fillStyle = "white";
ctx.fillRect(-1500, -1500, 3000, 3000);
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, 18, a);
ctx.restore();
// left wing
ctx.save();
ctx.scale(-1, 1);
ctx.rotate(Math.PI*0.4);
wing(ctx, 18, a);
ctx.restore();
// tail
ctx.save();
tail(ctx, 20, Math.Sin(i*0.05));
ctx.restore();
// head
neck(ctx, 22);
ctx.restore();
ManagedBackBuffer.Render(_g);
_g.Flush(FlushIntention.Sync);
framesCount++;
Monitor.Exit(sync);
}
};
timer = new Timer();
timer.Interval = interval;
timer.Elapsed += inner;
timer.Enabled = true;
var counter = new Timer();
counter.Interval = 1000;
counter.Elapsed += delegate
{
label.Text = "fps: " + framesCount + " / " + 1000/interval;
lock (sync)
{
framesCount = 0;
}
};
counter.Enabled = true;
}
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 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);
}
