C# CanvasAnimatedDrawEventArgs类代码示例

		private void CanvasAnimatedControl_OnDraw(ICanvasAnimatedControl sender, CanvasAnimatedDrawEventArgs args)
	    {
		    using (var ds = _blobRenderTarget.CreateDrawingSession())
		    {
				ds.Clear(sender.ClearColor);
				ds.Blend = CanvasBlend.Add;
				foreach (var blob in _blobs)
				{
					_blobBrush.Transform = Matrix3x2.CreateTranslation(blob.Position);
					ds.FillCircle(blob.Position, BlobSize, _blobBrush);
				}
			}
			_mask.Image = _un;
			using (args.DrawingSession.CreateLayer(_mask))
			{
				args.DrawingSession.DrawImage(_gbe);
			}

			foreach (var blob in _blobs)
		    {
			    blob.Position = Vector2.Add(blob.Position, blob.Velocity);
			    var xc = blob.Position.X < 0.0f || blob.Position.X > sender.Size.Width ? -1.0f : 1.0f;
			    var yc = blob.Position.Y < 0.0f || blob.Position.Y > sender.Size.Height ? -1.0f : 1.0f;
				blob.Velocity = new Vector2(blob.Velocity.X * xc, blob.Velocity.Y * yc);
			}
	    }

		private void CanvasAnimatedControl_OnDraw(ICanvasAnimatedControl sender, CanvasAnimatedDrawEventArgs args)
		{
			for (int i = 0; i <= _ringCount; i++)
			{
				var currentOffset = StartOffset + i*(RingPadding + RingStrokeWidth);
				using (var c = new CanvasPathBuilder(sender))
				{
					c.BeginFigure(currentOffset, 0.0f);
					c.AddArc(new Vector2(0.0f, 0.0f), currentOffset, currentOffset, 0.0f, (float)(Math.PI * 2));
					c.EndFigure(CanvasFigureLoop.Open);
					using (var g = CanvasGeometry.CreatePath(c))
					{
						var m = _pattern[_animationCounter + (_ringCount - i)];
						_brush.Transform = Matrix3x2.CreateRotation((float)(Math.PI * 2 * m), _center);
						using (args.DrawingSession.CreateLayer(_brush))
						{
							args.DrawingSession.DrawGeometry(g, _center, Color.FromArgb(255,
								m < 0.5 ? Convert.ToByte(Math.Floor(m * 2 * 255)) : Convert.ToByte(Math.Floor((1.5 - m) * 255)),
								m < 0.5 ? (byte)128 : Convert.ToByte(Math.Floor(m * 255)),
								255), RingStrokeWidth);
						}
					}
				}
			}
			_animationCounter++;
			if (_animationCounter > _pattern.Count - _ringCount - 1) _animationCounter = 0;
		}

        public void Draw(CanvasAnimatedDrawEventArgs args, Vector2 position, CanvasTextFormat font)
        {
            if (LastFont == null || LastFont.FontFamily != font.FontFamily || LastFont.FontSize != font.FontSize)
            {
                Widths.Clear();

                // recalculate widths
                for(int i = 0; i < Parts.Count; i++)
                {
                    CanvasTextLayout layoutTemp = new CanvasTextLayout(args.DrawingSession, Parts[i].String.Replace(' ', '.'), font, 0, 0);
                    Widths.Add((float)layoutTemp.LayoutBounds.Width);
                }

                LastFont = font;
            }

            float fOffsetX = 0.0f;
            for (int i = 0; i < Parts.Count; i++)
            {
                // draw string part
                args.DrawingSession.DrawText(Parts[i].String, new Vector2(position.X + fOffsetX, position.Y), Parts[i].Color, font);

                // add to offset
                fOffsetX += Widths[i];
            }
        }

 public static void Draw(CanvasAnimatedDrawEventArgs args)
 {
     DrawBackground(args);
     DrawTitle(args);
     DrawItemsBorder(args);
     DrawItems(args);
 }

 public void DrawTitleLayout(CanvasAnimatedDrawEventArgs args, Vector2 position, Color color)
 {
     if (TitleLayout != null)
     {
         args.DrawingSession.DrawTextLayout(TitleLayout, position, color);
     }
 }

 public void DrawSelected(CanvasAnimatedDrawEventArgs args)
 {
     if (Position != null)
     {
         args.DrawingSession.DrawTextLayout(TextLayout, Position, Colors.Yellow);
     }
 }

 // Draws a clock with given ray in the middle of a canvas
 private void drawClock(CanvasAnimatedDrawEventArgs canvas, Vector2 middle, float ray) {
     canvas.DrawingSession.DrawCircle(midScreen, ray, Colors.White);
     canvas.DrawingSession.DrawText("12", midScreen.X - 5, midScreen.Y - ray, Colors.White, font);
     canvas.DrawingSession.DrawText("3", midScreen.X + ray - 10, midScreen.Y - 5, Colors.White, font);
     canvas.DrawingSession.DrawText("6", midScreen.X - 2.5f, midScreen.Y + ray - 12, Colors.White, font);
     canvas.DrawingSession.DrawText("9", midScreen.X - ray + 5, midScreen.Y - 5, Colors.White, font);
 }

	    private void CanvasAnimatedControl_OnDraw(ICanvasAnimatedControl sender, CanvasAnimatedDrawEventArgs args)
	    {
			foreach (var waveParticle in _particles)
			{
				args.DrawingSession.DrawLine(waveParticle.DrawPosition, waveParticle.DrawVelocity, Colors.IndianRed, 3.0f);
				args.DrawingSession.FillCircle(waveParticle.DrawPosition, 3.0f, Colors.Aqua);
			}

		    foreach (var waveParticle in _particles) waveParticle.Tick();

			//?
		    var diff = new float[_particles.Count];
		    diff[0] = _particles[1].Position.Y - _particles[0].Position.Y;
		    for (int index = 1; index < _particles.Count - 1; index++)
		    {
			    var l = _particles[index - 1].Position.Y - _particles[index].Position.Y;
			    var r = _particles[index].Position.Y - _particles[index + 1].Position.Y;
			    diff[index] = (l - r)/2.0f;
		    }
		    diff[_particles.Count - 1] = _particles[_particles.Count - 1].Position.Y - _particles[_particles.Count - 2].Position.Y;

		    for (int index = 0; index < _particles.Count; index++)
		    {
			    //todo
		    }
	    }

	    private void Tick(CanvasAnimatedDrawEventArgs args)
	    {
			//swipe
		    var leftN = new Vector2(_leftCenter.X + (float) Math.Sin(ToRad(_loopCounter))*_swiperLength,
			    _leftCenter.Y + (float) Math.Cos(ToRad(_loopCounter))*_swiperLength);
		    var rightN = new Vector2(_rightCenter.X + (float) Math.Sin(ToRad(-1*_loopCounter + 180))*_swiperLength,
			    _rightCenter.Y + (float) Math.Cos(ToRad(-1*_loopCounter + 180))*_swiperLength);
		    args.DrawingSession.DrawLine(_leftCenter, leftN, Colors.Black, 1.0f);
		    args.DrawingSession.DrawLine(_rightCenter, rightN, Colors.Black, 1.0f);

		    //cleanup
		    for (var i = _lines.Count - 1; i >= 0; i--)
		    {
			    if (_lines[i].Timeout == 0) _lines.Remove(_lines[i]);
		    }
		    //draw
		    foreach (var fadingLine in _lines)
		    {
			    args.DrawingSession.DrawLine(fadingLine.Start, fadingLine.End,
				    Color.FromArgb((byte) (80*((float) fadingLine.Timeout/FadeStart)), 0, 0, 0));
			    fadingLine.Timeout -= 1;
		    }
		    //add new
		    _lines.Add(new FadingLine {End = rightN, Start = leftN, Timeout = FadeStart});
		    _lines.Add(new FadingLine {End = rightN, Start = _rightCenter, Timeout = FadeStart});
		    _lines.Add(new FadingLine {End = leftN, Start = _leftCenter, Timeout = FadeStart});

		    //loop
		    _loopCounter += 0.5f;
		    if (_loopCounter > 360.0) _loopCounter = 0.5f;
	    }

 public void Draw(Vector2 MapPosition, CanvasAnimatedDrawEventArgs args)
 {
     foreach(Region region in Regions)
     {
         region.Draw(MapPosition, args);
     }
 }

 public void Draw(CanvasAnimatedDrawEventArgs args)
 {
     DrawBackground(args);
     DrawBorder(args);
     DrawFeedItemData(args);
     if (State == DISPLAYTILESTATE.ACTIVE || State == DISPLAYTILESTATE.FADING_IN) { DrawTimerBar(args); }
 }

 public void Draw(CanvasAnimatedDrawEventArgs args)
 {
     if (State == CURSOR_STATE.ON)
     {
         args.DrawingSession.DrawTextLayout(CursorCharacter, Position, Color);
     }
 }

 private void canvasMain_Draw(ICanvasAnimatedControl sender, CanvasAnimatedDrawEventArgs args)
 {
     foreach(Room room in Rooms)
     {
         room.Draw(args);
     }
 }

 public void Draw(CanvasAnimatedDrawEventArgs args)
 {
     if (Position != null)
     {
         args.DrawingSession.DrawTextLayout(TextLayout, Position, Colors.White);
     }
 }

		private void Canvas_Draw(
			ICanvasAnimatedControl sender,
			CanvasAnimatedDrawEventArgs args)
		{
			this.renderer.SetDrawingSession(args.DrawingSession);

			this.world.Draw(this.renderer);

			this.renderer.ClearDrawingSession();
		}