private void SKCanvasView_PaintSurface(object sender, SkiaSharp.Views.Forms.SKPaintSurfaceEventArgs e)
{
var skImageInfo = e.Info;
var skSurface = e.Surface;
var skCanvas = skSurface.Canvas;
var skCanvasWidth = skImageInfo.Width;
var skCanvasHeight = skImageInfo.Height;
skCanvas.Clear();
skCanvas.Translate((float)skCanvasWidth / 2, (float)skCanvasHeight / 2);
using (SKPaint paintCenter = new SKPaint())
{
paintCenter.Style = SKPaintStyle.Fill;
paintCenter.Color = SKColors.Black;
paintCenter.IsDither = true;
skCanvas.DrawCircle(0, 0, skCanvasWidth / 17f, paintCenter); // 45
}
SKPaint paintStaticElectronOrbit = new SKPaint
{
Style = SKPaintStyle.Stroke,
IsAntialias = true,
StrokeWidth = 5,
Color = SKColors.Black,
};
Random rand = new Random();
float orbitAngleDegree = 180 / (float)_movingElectronObjects.Count;
for (int i = 0; i < _movingElectronObjects.Count; i++)
{
var arcRectWidth = skCanvasWidth / 2.2f; //350
var arcRectHeight = skCanvasHeight / 11.3f; //100
skCanvas.DrawOval(0, 0, arcRectWidth, arcRectHeight, paintStaticElectronOrbit);
SKPaint paintElectron = new SKPaint()
{
Style = SKPaintStyle.Stroke,
Color = SKColors.Black,
IsAntialias = true,
StrokeCap = SKStrokeCap.Round,
StrokeWidth = 15,
};
SKRect paintMovingElectronOrbit = new SKRect();
paintMovingElectronOrbit.Size = new SKSize((arcRectWidth * 2), (arcRectHeight * 2));
paintMovingElectronOrbit.Location = new SKPoint(-(arcRectWidth * 2 / 2), -(arcRectHeight * 2 / 2));
float electronDrawStartPoint = 0;
var _sweepAngle = 0 * _movingElectronObjects[i].TimeAtPointInOrbit + 360 * (1 - _movingElectronObjects[i].TimeAtPointInOrbit);
electronDrawStartPoint = _sweepAngle;
float electronDrawSize = 1; // (75 / 100) * 360
SKPath pathMovingElectronOrbit = new SKPath();
pathMovingElectronOrbit.AddArc(paintMovingElectronOrbit, electronDrawStartPoint, electronDrawSize);
skCanvas.DrawPath(pathMovingElectronOrbit, paintElectron);
if (i == 0 && _movingElectronObjects.Count % 2 == 0)
{
skCanvas.RotateDegrees((float)orbitAngleDegree);
}
else
{
skCanvas.RotateDegrees((float)orbitAngleDegree + 180);
}
}
}
private void BackgroundGradient_PaintSurface(object sender, SkiaSharp.Views.Forms.SKPaintSurfaceEventArgs e)
{
MyAccount.setGradientWallpaper(e);
}
public void AutoPaint(object sender, SkiaSharp.Views.Forms.SKPaintSurfaceEventArgs args)
{
this.Image.Draw(args.Surface.Canvas, args.Info.Rect);
}
private void Handle_PaintSurface(object sender, SkiaSharp.Views.Forms.SKPaintSurfaceEventArgs e)
{
_highlightForm.Draw(CanvasView, e.Surface.Canvas);
}
private void canvas_PaintSurface(object sender, SkiaSharp.Views.Forms.SKPaintSurfaceEventArgs e)
{
SKImageInfo info = e.Info;
SKSurface surface = e.Surface;
SKCanvas canvas = surface.Canvas;
SKPaint strokePaint = GetPaintColor(SKPaintStyle.Stroke, null, 10, SKStrokeCap.Square);
SKPaint dotPaint = GetPaintColor(SKPaintStyle.Fill, "#DE0469");
SKPaint hrPaint = GetPaintColor(SKPaintStyle.Stroke, "#262626", 4, SKStrokeCap.Square);
SKPaint minPaint = GetPaintColor(SKPaintStyle.Stroke, "#DE0469", 2, SKStrokeCap.Square);
SKPaint bgPaint = GetPaintColor(SKPaintStyle.Fill, "#FFFFFF");
canvas.Clear();
SKRect arcRect = new SKRect(10, 10, info.Width - 10, info.Height - 10);
SKRect bgRect = new SKRect(25, 25, info.Width - 25, info.Height - 25);
canvas.DrawOval(bgRect, bgPaint);
strokePaint.Shader = SKShader.CreateLinearGradient(
new SKPoint(arcRect.Left, arcRect.Top),
new SKPoint(arcRect.Right, arcRect.Bottom),
new SKColor[] { SKColor.Parse("#DE0469"), SKColors.Transparent },
new float[] { 0, 1 },
SKShaderTileMode.Repeat);
path.ArcTo(arcRect, 45, arcLength, true);
canvas.DrawPath(path, strokePaint);
canvas.Translate(info.Width / 2, info.Height / 2);
canvas.Scale(info.Width / 200f);
canvas.Save();
canvas.RotateDegrees(240);
canvas.DrawCircle(0, -75, 2, dotPaint);
canvas.Restore();
DateTime dateTime = DateTime.Now;
//Draw hour hand
canvas.Save();
canvas.RotateDegrees(30 * dateTime.Hour + dateTime.Minute / 2f);
canvas.DrawLine(0, 5, 0, -60, hrPaint);
canvas.Restore();
//Draw minute hand
canvas.Save();
canvas.RotateDegrees(6 * dateTime.Minute + dateTime.Second / 10f);
canvas.DrawLine(0, 10, 0, -90, minPaint);
canvas.Restore();
canvas.DrawCircle(0, 0, 5, dotPaint);
secondsTxt.Text = dateTime.Second.ToString("00");
timeTxt.Text = dateTime.ToString("hh:mm");
periodTxt.Text = dateTime.Hour >= 12 ? "PM" : "AM";
var alarmDiff = alarmDate - dateTime;
alarmTxt.Text = $"{alarmDiff.Hours}h {alarmDiff.Minutes}m until next alarm";
}
private void CanvasView_PaintSurface(object sender, SkiaSharp.Views.Forms.SKPaintSurfaceEventArgs e)
{
e.Surface.Canvas.Clear(SKColors.Blue);
Sketch.SkiaManager.OnPaintSurface(e.Surface.Canvas);
}
private void FolderCanvas_PaintSurface(object sender, SkiaSharp.Views.Forms.SKPaintSurfaceEventArgs e)
{
SKImageInfo info = e.Info;
SKSurface surface = e.Surface;
SKCanvas canvas = surface.Canvas;
canvas.Clear();
float scaleFactor = 0.67f;
float density = scaleFactor * info.Size.Height / (float)this.Height;
canvas.Save();
using (SKPath backPath = SKPath.ParseSvgPathData(
"M87.909,9.917V4.02A4.032,4.032,0,0,0,83.889,0H23.72A4.032,4.032,0,0,0,19.7,4.02v5.9H13.338a4.529,4.529,0,0,0-3.822,4.02l.27,112.7a3.954,3.954,0,0,0,3.951,4.024H167.344a3.963,3.963,0,0,0,3.97-4.011l-.6-112.71a4.092,4.092,0,0,0-4.07-4.02Z"))
{
backPath.Transform(SKMatrix.MakeScale(density, density));
backPath.GetTightBounds(out var backPathTightBounds);
var translateXBackPath = info.Width * 0.5f - backPathTightBounds.MidX;
var translateYbackPath = info.Height - backPathTightBounds.Bottom - 20f;
canvas.Translate(translateXBackPath, translateYbackPath);
fillPaint.Shader = SKShader.CreateLinearGradient(
new SKPoint(info.Width * 0.5f, 0),
new SKPoint(info.Width * 0.5f, info.Height),
new SKColor[] { SKColor.Parse(Color1), SKColor.Parse(Color2), SKColor.Parse(Color2) },
new float[] { 0, 0.37f, 1 },
SKShaderTileMode.Clamp
);
canvas.DrawPath(backPath, fillPaint);
}
canvas.Restore();
canvas.Save();
using (SKPath backFilePath = SKPath.ParseSvgPathData("M174.079,150.908H29.155l-.4-114.144H174.481Z"))
{
backFilePath.Transform(SKMatrix.MakeScale(density, density));
backFilePath.GetTightBounds(out var backFilePathTightBounds);
var translateXBackFilePath = info.Width * 0.5f - backFilePathTightBounds.MidX;
var translateYbackFilePath = info.Height - backFilePathTightBounds.Bottom - 20f;
canvas.Translate(translateXBackFilePath, translateYbackFilePath);
fillPaint.Shader = SKShader.CreateLinearGradient(
new SKPoint(info.Width * 0.5f, 0),
new SKPoint(info.Width * 0.5f, info.Height),
new SKColor[] { SKColor.Parse("#e6e6e6"), SKColor.Parse("#e8e8e8"), SKColor.Parse("#f0f0f0"), SKColor.Parse("#f2f2f2") },
new float[] { 0, 0.633f, 0.949f, 1 },
SKShaderTileMode.Clamp
);
canvas.DrawPath(backFilePath, fillPaint);
}
canvas.Restore();
canvas.Save();
using (SKPath frontFilePath = SKPath.ParseSvgPathData("M170.491,158.681H25.567L22.753,49.764H173.3Z"))
{
frontFilePath.Transform(SKMatrix.MakeScale(density, density));
frontFilePath.GetTightBounds(out var frontFilePathTightBounds);
var translateXFrontFilePath = info.Width * 0.5f - frontFilePathTightBounds.MidX;
var translateYFrontFilePath = info.Height - frontFilePathTightBounds.Bottom - 20f;
canvas.Translate(translateXFrontFilePath, translateYFrontFilePath);
fillPaint.Shader = SKShader.CreateLinearGradient(
new SKPoint(info.Width * 0.5f, 0),
new SKPoint(info.Width * 0.5f, info.Height),
new SKColor[] { SKColor.Parse("#cccccc"), SKColor.Parse("#cecece"), SKColor.Parse("#d6d6d6"), SKColor.Parse("#e3e3e3"), SKColor.Parse("#f6f6f6"), SKColor.Parse("#ffffff") },
new float[] { 0, 0.427f, 0.64f, 0.806f, 0.947f, 1 },
SKShaderTileMode.Clamp
);
canvas.DrawPath(frontFilePath, fillPaint);
}
canvas.Restore();
canvas.Save();
using (SKPath frontPath = SKPath.ParseSvgPathData("M165.433,164.917a4.106,4.106,0,0,1-4.089,4.011H7.735a4.578,4.578,0,0,1-4.325-4.292L0,68.019A3.948,3.948,0,0,1,3.95,64H164.895a3.948,3.948,0,0,1,3.95,4.02Z"))
{
frontPath.Transform(SKMatrix.MakeScale(density, density));
frontPath.GetTightBounds(out var frontPathTightBounds);
fillPaint.Shader = SKShader.CreateLinearGradient(
new SKPoint(info.Width * 0.5f, 0),
new SKPoint(info.Width * 0.5f, info.Height),
new SKColor[] { SKColor.Parse(Color3), SKColor.Parse(Color4), SKColor.Parse(Color5), SKColor.Parse(Color6) },
new float[] { 0, 0.595f, 0.957f, 1 },
SKShaderTileMode.Clamp
);
SKMatrix matrix = SKMatrix.MakeTranslation(-frontPathTightBounds.Right, -frontPathTightBounds.Bottom);
SKMatrix44 matrix44 = SKMatrix44.CreateIdentity();
matrix44.PostConcat(SKMatrix44.CreateRotationDegrees(1, 0, 0, -FrontPathDegree));
matrix44.PostConcat(SKMatrix44.CreateRotationDegrees(0, 1, 0, -0.5f * FrontPathDegree));
matrix44.PostConcat(SKMatrix44.CreateRotationDegrees(0, 0, 1, 0));
SKMatrix.PostConcat(ref matrix, matrix44.Matrix);
SKMatrix.PostConcat(ref matrix, SKMatrix.MakeTranslation(frontPathTightBounds.Right, frontPathTightBounds.Bottom));
canvas.SetMatrix(matrix);
var translateXFrontPath = info.Width * 0.5f - frontPathTightBounds.MidX;
var translateYFrontPath = info.Height - frontPathTightBounds.Bottom - 20f;
canvas.Translate(translateXFrontPath, translateYFrontPath);
canvas.DrawPath(frontPath, fillPaint);
}
canvas.Restore();
}
