protected void RenderFps(IDrawingContextImpl context, Rect clientRect, int?layerCount)
{
var now = _stopwatch.Elapsed;
var elapsed = now - _lastFpsUpdate;
++_framesThisSecond;
if (elapsed.TotalSeconds > 1)
{
_fps = (int)(_framesThisSecond / elapsed.TotalSeconds);
_framesThisSecond = 0;
_lastFpsUpdate = now;
}
if (layerCount.HasValue)
{
_fpsText.Text = string.Format("Layers: {0} FPS: {1:000}", layerCount, _fps);
}
else
{
_fpsText.Text = string.Format("FPS: {0:000}", _fps);
}
var size = _fpsText.Bounds.Size;
var rect = new Rect(clientRect.Right - size.Width, 0, size.Width, size.Height);
context.Transform = Matrix.Identity;
context.DrawRectangle(Brushes.Black, null, rect);
context.DrawText(Brushes.White, rect.TopLeft, _fpsText.PlatformImpl);
}
protected void RenderFps(IDrawingContextImpl context, Rect clientRect, bool incrementFrameCount)
{
var now = _stopwatch.Elapsed;
var elapsed = now - _lastFpsUpdate;
if (incrementFrameCount)
{
++_framesThisSecond;
}
if (elapsed.TotalSeconds > 1)
{
_fps = (int)(_framesThisSecond / elapsed.TotalSeconds);
_framesThisSecond = 0;
_lastFpsUpdate = now;
}
_fpsText.Text = string.Format("FPS: {0:000}", _fps);
var size = _fpsText.Measure();
var rect = new Rect(clientRect.Right - size.Width, 0, size.Width, size.Height);
context.Transform = Matrix.Identity;
context.FillRectangle(Brushes.Black, rect);
context.DrawText(Brushes.White, rect.TopLeft, _fpsText.PlatformImpl);
}
public void Render(IDrawingContextImpl context)
{
var canvas = (context as ISkiaDrawingContextImpl)?.SkCanvas;
if (canvas == null)
{
context.DrawText(Brushes.Black, new Point(), _noSkia.PlatformImpl);
}
else
{
canvas.Save();
// create the first shader
var colors = new SKColor[] {
new SKColor(0, 255, 255),
new SKColor(255, 0, 255),
new SKColor(255, 255, 0),
new SKColor(0, 255, 255)
};
var sx = Animate(100, 2, 10);
var sy = Animate(1000, 5, 15);
var lightPosition = new SKPoint(
(float)(Bounds.Width / 2 + Math.Cos(St.Elapsed.TotalSeconds) * Bounds.Width / 4),
(float)(Bounds.Height / 2 + Math.Sin(St.Elapsed.TotalSeconds) * Bounds.Height / 4));
using (var sweep =
SKShader.CreateSweepGradient(new SKPoint((int)Bounds.Width / 2, (int)Bounds.Height / 2), colors,
null))
using (var turbulence = SKShader.CreatePerlinNoiseFractalNoise(0.05f, 0.05f, 4, 0))
using (var shader = SKShader.CreateCompose(sweep, turbulence, SKBlendMode.SrcATop))
using (var blur = SKImageFilter.CreateBlur(Animate(100, 2, 10), Animate(100, 5, 15)))
using (var paint = new SKPaint
{
Shader = shader,
ImageFilter = blur
})
canvas.DrawPaint(paint);
using (var pseudoLight = SKShader.CreateRadialGradient(
lightPosition,
(float)(Bounds.Width / 3),
new [] {
new SKColor(255, 200, 200, 100),
SKColors.Transparent,
new SKColor(40, 40, 40, 220),
new SKColor(20, 20, 20, (byte)Animate(100, 200, 220))
},
new float[] { 0.3f, 0.3f, 0.8f, 1 },
SKShaderTileMode.Clamp))
using (var paint = new SKPaint
{
Shader = pseudoLight
})
canvas.DrawPaint(paint);
canvas.Restore();
}
}
public override void Render(IDrawingContextImpl context)
{
var canvas = (context as ISkiaDrawingContextImpl)?.SkCanvas;
var surface = (context as ISkiaDrawingContextImpl)?.SkSurface;
if (canvas == null | surface == null)
{
context.Clear(Colors.White);
context.DrawText(new SolidColorBrush(Colors.Black), new Point(), NoSkia);
}
else
{
Surface = surface;
var width = (int)Bounds.Width;
var height = (int)Bounds.Height;
var info = new SKImageInfo(width, height);
using (SKPaint paint = new SKPaint())
{
SKColor[] colors = { SKColors.White, HueColor.ToSKColor() };
SKPoint center = new SKPoint(info.Rect.MidX, info.Rect.MidY);
paint.Shader = SKShader.CreateLinearGradient(new SKPoint(0, 0), new SKPoint(width, 0), colors, SKShaderTileMode.Repeat);
var rect = SKRect.Create(width, height);
canvas.DrawRect(rect, paint);
}
// Creates the black gradient effect (transparent to black)
using (SKPaint paint = new SKPaint())
{
SKColor[] colors = { SKColors.Transparent, SKColors.Black };
paint.Shader = SKShader.CreateLinearGradient(new SKPoint(0, 0), new SKPoint(0, height), colors, SKShaderTileMode.Repeat);
var rect = SKRect.Create(width, height);
canvas.DrawRect(rect, paint);
}
using (SKPaint paint = new SKPaint())
{
paint.Shader = SKShader.CreateColor(StrokeColor.ToSKColor());
var rect = SKRect.Create(width, height);
paint.Style = SKPaintStyle.Stroke;
paint.StrokeWidth = StrokeWidth;
canvas.DrawRect(rect, paint);
}
}
}
public void Render(IDrawingContextImpl context)
{
var canvas = (context as ISkiaDrawingContextImpl)?.SkCanvas;
if (canvas == null)
{
context.DrawText(Brushes.Black, new Point(), NoEngine.PlatformImpl);
}
else
{
canvas.Save();
canvas.DrawOval(500, 500, 100, 200, _debugPaint);
canvas.Restore();
}
}
public override void Render(IDrawingContextImpl context)
{
// converts the impl to SKCanvas
var canvas = (context as ISkiaDrawingContextImpl)?.SkCanvas;
//Checks if that is valid
if (canvas == null)
{
context.Clear(Colors.White);
context.DrawText(new SolidColorBrush(Colors.Black), new Point(), NoSkia);
}
else // when it's valid to this
{
var info = new SKImageInfo((int)Bounds.Width, (int)Bounds.Height); // creates the image info
using (SKPaint paint = new SKPaint()) // creates the paint
{
// Define an array of rainbow colors
SKColor[] colors = new SKColor[8];
for (int i = 0; i < colors.Length; i++)
{
colors[i] = SKColor.FromHsl(i * 360f / 7, 100, 50); //sets the colors
}
SKPoint center = new SKPoint(info.Rect.MidX, info.Rect.MidY); // creates the center
// Create sweep gradient based on center of canvas
paint.Shader = SKShader.CreateSweepGradient(center, colors, null);
// Draw a circle with a wide line
paint.Style = SKPaintStyle.Stroke;
paint.StrokeWidth = StrokeWidth;
float radius = (Math.Min(info.Width, info.Height) - StrokeWidth) / 2; //computes the radius
canvas.DrawCircle(center, radius, paint); // draw a circle with its respects parameters
}
}
}
/// <inheritdoc/>
public override void Render(IDrawingContextImpl context)
{
context.Transform = Transform;
context.DrawText(Foreground, Origin, Text);
}
public void Render(IDrawingContextImpl context)
{
if (rendered > 20)
{
return;
}
var canvas = (context as ISkiaDrawingContextImpl)?.SkCanvas;
if (canvas == null)
{
context.DrawText(Brushes.Black, new Avalonia.Point(), _noSkia.PlatformImpl);
return;
}
if (project == null)
{
return;
}
canvas.Save();
if (background.Alpha != 0)
{
canvas.DrawRect(new SKRect(0, 0, (float)Bounds.Width, (float)Bounds.Height), new SKPaint()
{
Color = background
});
}
if (!above)
{
DrawImage(canvas);
}
for (int i = 0; i < project.Count; i++)
{
DrawDomino(canvas, project[i]);
}
DrawAdditionals(canvas, true);
for (int i = 0; i < project.Count; i++)
{
DrawDominoBorder(canvas, project[i]);
}
if (above)
{
DrawImage(canvas);
}
if (selectionVisible && selectionPath != null)
{
canvas.DrawPath(selectionPath, new SKPaint()
{
Color = new SKColor(0, 0, 0, 255), IsStroke = true, StrokeWidth = 4, IsAntialias = true
});
canvas.DrawPath(selectionPath, new SKPaint()
{
Color = selectionColor, IsStroke = true, StrokeWidth = 2, IsAntialias = true
});
}
DrawAdditionals(canvas, false);
canvas.Restore();
rendered += 1;
}
/// <summary> /// Draws text. /// </summary> /// <param name="foreground">The foreground brush.</param> /// <param name="origin">The upper-left corner of the text.</param> /// <param name="text">The text.</param> public void DrawText(Brush foreground, Point origin, FormattedText text) => _impl.DrawText(foreground, origin, text);
public override void Render(IDrawingContextImpl context)
{
var canvas = ((ISkiaDrawingContextImpl)context)?.SkCanvas;
if (canvas == null)
{
context.Clear(Colors.White);
context.DrawText(new SolidColorBrush(Colors.Black), new Point(), NoSkia);
}
else
{
int width = (int)Bounds.Width;
int height = (int)Bounds.Height;
var info = new SKImageInfo(width, height);
//canvas.Scale((float)Bounds.Width, (float)Bounds.Height, -(float)Bounds.Width, -(float)Bounds.Height);
canvas.RotateDegrees(-90f, (float)Bounds.Center.X, (float)Bounds.Center.Y);
using (SKPaint paint = new SKPaint())
{
SKColor[] colors = new SKColor[8];
for (int i = 0; i < colors.Length; i++)
{
colors[i] = SKColor.FromHsl(i * 360f / 7, 100, 50); //sets the colors
}
SKPoint center = new SKPoint(info.Rect.MidX, info.Rect.MidY); // creates the center
// Create sweep gradient based on center of canvas
paint.Shader = SKShader.CreateSweepGradient(center, colors, null);
float radius = (Math.Min(info.Width, info.Height) - StrokeWidth) / 2; //computes the radius
canvas.DrawCircle(center, radius, paint); // draw a circle with its respects parameters
}
// Creates the black gradient effect (transparent to black)
using (SKPaint paint = new SKPaint())
{
SKColor[] colors = { SKColors.White, SKColors.Transparent };
SKPoint center = new SKPoint(info.Rect.MidX, info.Rect.MidY); // creates the center
int strokeWidth = 20;
float radius = (Math.Min(info.Width, info.Height) - strokeWidth) / 2; //computes the radius
paint.Shader = SKShader.CreateRadialGradient(center, radius, colors, null, SKShaderTileMode.Repeat);
canvas.DrawCircle(center, radius, paint);
}
using (SKPaint paint = new SKPaint())
{
var colorStroke = Stroke.ToSKColor();
SKPoint center = new SKPoint(info.Rect.MidX, info.Rect.MidY); // creates the center
float radius = (Math.Min(info.Width, info.Height) - StrokeWidth) / 2; //computes the radius
paint.Shader = SKShader.CreateColor(colorStroke);
paint.Style = SKPaintStyle.Stroke;
paint.StrokeWidth = StrokeWidth;
canvas.DrawCircle(center, radius, paint);
}
}
}
public void Render(IDrawingContextImpl context)
{
bool isLightTheme = Application.Current.Styles[1] == App.FluentLight;
var canvas = (context as ISkiaDrawingContextImpl)?.SkCanvas;
if (canvas == null)
{
context.DrawText(Brushes.Black, new Point(), _noSkia.PlatformImpl);
}
else
{
canvas.Save();
SKPaint solidForeground = new SKPaint
{
Color = isLightTheme ? new SKColor(0, 0, 0) : new SKColor(255, 255, 255),
TextSize = 12.0f
};
SKPaint strokeBlue = new SKPaint
{
Color = new SKColor(0, 0, 255),
Style = SKPaintStyle.Stroke,
StrokeWidth = 2.0f
};
SKPaint solidBlue = new SKPaint
{
Color = new SKColor(0, 0, 255)
};
float canvasWidth = canvas.LocalClipBounds.Width;
float canvasHeight = canvas.LocalClipBounds.Height;
/*canvas.DrawLine(0,
* canvasHeight / 2.0f,
* canvasWidth,
* canvasHeight / 2.0f,
* solidBlack);*/
canvas.DrawLine(5,
0,
5,
canvasHeight,
solidForeground);
var stringData = _viewModel.ReceivedMessages.Split('\n');
List <float> numericalData = new List <float>();
foreach (string item in stringData)
{
float numericData;
if (float.TryParse(item, out numericData))
{
numericalData.Add(numericData);
}
}
float maxValue, minValue;
try
{
maxValue = numericalData.Max();
minValue = numericalData.Min();
}
catch (InvalidOperationException e)
{
Debug.WriteLine(e.Message);
return;
}
float range = Math.Abs(maxValue - minValue);
float offset = range * 0.05f;
//float upperBound = maxValue + offset;
float lowerBound = minValue - offset;
float plotRange = range + offset * 2;
//Prevent errors by zero division.
if (plotRange == 0)
{
plotRange = 0.1f;
}
canvas.DrawLine(2.5f, canvasHeight - (maxValue - lowerBound) / plotRange * canvasHeight, 7.5f, canvasHeight - (maxValue - lowerBound) / plotRange * canvasHeight, solidForeground);
canvas.DrawLine(2.5f, canvasHeight - (minValue - lowerBound) / plotRange * canvasHeight, 7.5f, canvasHeight - (minValue - lowerBound) / plotRange * canvasHeight, solidForeground);
canvas.DrawText(maxValue.ToString(), 7.5f, canvasHeight - (maxValue - lowerBound) / plotRange * canvasHeight + 6.0f, solidForeground);
canvas.DrawText(minValue.ToString(), 7.5f, canvasHeight - (minValue - lowerBound) / plotRange * canvasHeight + 6.0f, solidForeground);
int dataPoints = numericalData.Count;
float pointDistance = (canvasWidth - 5.0f) / (dataPoints - 1);
if (dataPoints > 1)
{
SKPath plotLine = new SKPath();
plotLine.MoveTo(5.0f, canvasHeight - (numericalData[0] - lowerBound) / plotRange * canvasHeight);
for (int i = 1; i < dataPoints; i++)
{
plotLine.LineTo(i * pointDistance + 5.0f, canvasHeight - (numericalData[i] - lowerBound) / plotRange * canvasHeight);
}
canvas.DrawPath(plotLine, strokeBlue);
}
else if (dataPoints == 1)
{
canvas.DrawCircle(5.0f, canvasHeight - (numericalData[0] - lowerBound) / plotRange * canvasHeight, 5.0f, solidBlue);
}
canvas.Restore();
}
}