public RazorBitmapFormAntiparents()
{
InitializeComponent();
this.SetStyle(ControlStyles.DoubleBuffer, false);
this.SetStyle(ControlStyles.UserPaint, true);
this.SetStyle(ControlStyles.AllPaintingInWmPaint, true);
this.SetStyle(ControlStyles.Opaque, true);
SimpleParticlesWorld.Size = this.ClientSize;
this.task = Task.Factory.StartNew(() =>
{
using (Graphics graphics = this.CreateGraphics())
{
IntPtr hdc = IntPtr.Zero;
try
{
hdc = graphics.GetHdc();
HandleRef handleRef = new HandleRef(graphics, hdc);
while (!this.IsTerminate)
{
this.commonStopwatch.Restart();
this.updateStopwatch.Restart();
SimpleParticlesWorld.Update();
this.updateTime = this.updateStopwatch.ElapsedMilliseconds;
this.renderStopwatch.Restart();
Array.Clear(this.array, 0, this.array.Length);
SimpleParticle particle;
int pointBase;
for (int i = SimpleParticlesWorld.Particles.Count - 1; i >= 0; --i)
{
particle = SimpleParticlesWorld.Particles[i];
//foreach (SimpleParticle particle in SimpleParticlesWorld.Particles)
//{
pointBase = (this.size.Height - (int)particle.y) * this.size.Width + (int)particle.x;
if (0 <= pointBase && pointBase < this.array.Length)
{
this.array[pointBase] = particle.c;
}
}
SetDIBitsToDevice(handleRef, 0, 0, this.size.Width, this.size.Height, 0, 0, 0, this.size.Height, ref this.array[0], ref this.bitmapInfo, 0);
this.renderTime = this.renderStopwatch.ElapsedMilliseconds;
this.commonTime = this.commonStopwatch.ElapsedMilliseconds;
}
}
finally
{
if (hdc != IntPtr.Zero)
{
graphics.ReleaseHdc(hdc);
}
}
}
});
}
private void timer_Tick(object sender, EventArgs e)
{
this.commonStopwatch.Restart();
this.updateStopwatch.Restart();
SimpleParticlesWorld.Update();
this.updateTime = this.updateStopwatch.ElapsedMilliseconds;
this.renderStopwatch.Restart();
this.razorBitmap.Clear();
foreach (SimpleParticle particle in SimpleParticlesWorld.Particles)
{
this.razorBitmap.SetPixel((int)particle.x, this.razorBitmap.Size.Height - (int)particle.y, particle.c);
}
this.razorBitmap.Draw();
this.renderTime = this.renderStopwatch.ElapsedMilliseconds;
this.commonTime = this.commonStopwatch.ElapsedMilliseconds;
this.Text = string.Format("Razor Bitmap. Points count: {0}. Update time: {1}. Render time: {2}. Common time: {3}.", SimpleParticlesWorld.Count, this.updateTime, this.renderTime, this.commonTime);
}
private void Form_MouseUp(object sender, MouseEventArgs e)
{
SimpleParticlesWorld.ActionIn(e.X, e.Y);
}
