Generate LOGO

Setup 1 2 #r "nuget:SkiaSharp" using SkiaSharp; Triangle class 1 2 3 4 5 6 public class Triangle { public SKPoint A {get;set;} public SKPoint B {get;set;} public SKPoint C {get;set;} } Triangle Point Helper 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 List<Triangle> GetTrianglePoints(int count=10 ,float factor =0.25f,int baseLength=600) { float length= baseLength; var a = new SKPoint((float)Math.Cos(Math.PI/3)*length,0); var b = new SKPoint(0,(float)Math.Sin(Math.PI/3)*length); var c = new SKPoint(length,(float)Math.Sin(Math.PI/3)*length); if(factor>1 || factor<0) factor=0.5f; float m= count*factor; float n= count-m; var ls = new List<Triangle>(); ls.Add(new Triangle() { A=a,B=b,C=c }); for(var i=0; i<count;i++) { var aa = new SKPoint((m*a.X + n*b.X)/count , (m*a.Y + n*b.Y)/count ); var bb = new SKPoint((m*b.X + n*c.X)/count , (m*b.Y + n*c.Y)/count ); var cc = new SKPoint((m*c.X + n*a.X)/count , (m*c.Y + n*a.Y)/count ); var temp = new Triangle() { A = aa, B = bb, C = cc }; ls.Add(temp); a=aa; b=bb; c=cc; } return ls; } 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 // Create an image and fill it blue int width = 1200; int height = 700; int step =50; SKBitmap bmp = new(width, height); SKCanvas canvas = new(bmp); canvas.Clear(SKColor.Parse("#fff")); Random rand = new(); SKPaint paint = new() { Color = SKColors.White.WithAlpha(100), IsAntialias = true , StrokeWidth = 2, ColorF = SKColor.Parse("#003366") }; foreach(var item in GetTrianglePoints(10,.2f,700)) { //paint.ColorF = listOfColor[rand.Next(0,listOfColor.Count)]; canvas.DrawLine(item.A,item.B,paint); canvas.DrawLine(item.B,item.C,paint); canvas.DrawLine(item.C,item.A,paint); } SKFileWStream fs = new("triangleillusion.jpg"); bmp.Encode(fs, SKEncodedImageFormat.Jpeg, quality: 50); bmp.Display();

Setup 1 2 #r "nuget:SkiaSharp" using SkiaSharp; Circle 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 int width = 1200; int height = 250; SKBitmap bmp = new(width, height); SKCanvas canvas = new(bmp); canvas.Clear(SKColor.Parse("#fff")); Random rand = new(0); SKPaint paint = new() { Color = SKColors.White.WithAlpha(100), IsAntialias = true , StrokeWidth = 4, ColorF = SKColor.Parse("#003366"), Style = SKPaintStyle.Stroke }; canvas.DrawCircle(110,110,100,paint); // hollow Circle paint.Style = SKPaintStyle.StrokeAndFill; canvas.DrawCircle(410,110,100,paint); // Follow Circle bmp.Display(); Line 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 int width = 1200; int height = 20; SKBitmap bmp = new(width, height); SKCanvas canvas = new(bmp); canvas.Clear(SKColor.Parse("#fff")); Random rand = new(0); SKPaint paint = new() { Color = SKColors.White.WithAlpha(100), IsAntialias = true , StrokeWidth = 4, ColorF = SKColor.Parse("#003366") }; SKPoint pointOne = new (0,10); SKPoint pointTwo = new (width,10); canvas.DrawLine(pointOne,pointTwo,paint); bmp.Display(); ...

Setup 1 2 #r "nuget:SkiaSharp" using SkiaSharp; Color Sets 1 2 3 4 5 6 7 8 9 10 11 12 var listOfColor = new List<SKColor> { SKColor.Parse("#86B6F6"), SKColor.Parse("#176B87"), SKColor.Parse("#00A9FF"), SKColor.Parse("#FF90BC"), SKColor.Parse("#8ACDD7"), SKColor.Parse("#F2AFEF"), SKColor.Parse("#C499F3"), SKColor.Parse("#33186B"), }; Generate point on circumference of circle of different radius 1 2 3 4 5 6 7 8 9 List<SKPoint> CirclePoints(int n,float radius=3,float x=0, float y=0 ) { float degree = (float)(2*Math.PI/n); return Enumerable .Range(1,n) .Select(i=>degree*i) .Select(i=>(new SKPoint(x+ radius *(float)Math.Cos(i), y+ radius *(float)Math.Sin(i)))) .ToList(); } Section formulae Classic Geometric Formula To Calculate division point on line 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 List<(SKPoint,SKPoint)> SectionFormulae(int times, List<SKPoint> points , float factor =0.25f) { var ls = new List<(SKPoint,SKPoint)>(); float m= times*factor; float n= times-m; for(var i=0; i<times;i++) { var templs = new List<SKPoint>(); for(var j=0;j<points.Count;j++) { if(j==points.Count-1) { var x = (m*points[j].X + n*points[0].X)/times; var y = (m*points[j].Y + n*points[0].Y)/times; templs.Add(new SKPoint(x,y)); } else { var x = (m*points[j].X + n*points[j+1].X)/times; var y = (m*points[j].Y + n*points[j+1].Y)/times; templs.Add(new SKPoint(x,y)); } } points = templs; for(var j=0;j<points.Count;j++) { if(j==points.Count-1) { ls.Add((points[j],points[0])); } else { ls.Add((points[j],points[j+1])); } } } return ls; } Granullar Function for more Control Over Shapes 1 2 3 4 public List<(SKPoint,SKPoint)> GetShape(int n=3, int times=6 ,float factor =0.25f,int baseLength=600,int centerX =0,int centerY=0) { return SectionFormulae(times,CirclePoints(n,baseLength,x:centerX,y:centerY),factor); } Skiasharp Codde to Use All above Function and Generate Shapes 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 // Create an image and fill it blue int width = 2000; int height = 2000; int step =50; SKBitmap bmp = new(width, height); SKCanvas canvas = new(bmp); canvas.Clear(SKColor.Parse("#fff")); Random rand = new(); SKPaint paint = new() { Color = SKColors.White.WithAlpha(100), IsAntialias = true , StrokeWidth = 2, ColorF = SKColor.Parse("#003366") }; int seperation=4; for(var i=3;i<=15;i+=3) { paint.Color=listOfColor[rand.Next(0,listOfColor.Count)]; foreach(var item in GetShape(n:i,times:25, factor:0.08f, baseLength:seperation* i*i,centerX:width/2,centerY:height/2)) { canvas.DrawLine(item.Item1,item.Item2,paint); } } // Save the image to disk SKFileWStream fs = new("multishape.jpg"); bmp.Encode(fs, SKEncodedImageFormat.Jpeg, quality: 100); bmp.Display();

Setup 1 2 #r "nuget:SkiaSharp" using SkiaSharp; Mosaic Generation Code 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 // Create an image and fill it blue int width = 1920; int height = 700; int step =50; SKBitmap bmp = new(width, height); SKCanvas canvas = new(bmp); canvas.Clear(SKColor.Parse("#fff")); Random rand = new(); SKPaint paint = new() { Color = SKColors.White.WithAlpha(100), IsAntialias = true , StrokeWidth = 2, ColorF = SKColor.Parse("#003366") }; for(var i=0; i<height;i+=step) { for(var j=0; j<width;j+=step) { if(rand.Next(0,100)>50) paint.ColorF =SKColor.Parse("#003366"); else paint.Color =SKColor.Parse("#000f"); canvas.DrawRect(i,j,step,step,paint); } } SKFileWStream fs = new("mosaic.jpg"); bmp.Encode(fs, SKEncodedImageFormat.Jpeg, quality: 50); bmp.Display();

Setup 1 2 #r "nuget:SkiaSharp" using SkiaSharp; Maze Algorithm 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 public class MazeAlgorithm { Random random = new Random(); public int[,] GenerateMaze(int rows, int cols) { int[,] maze = new int[rows, cols]; // Initialize maze with walls for (int i = 0; i < rows; i++) { for (int j = 0; j < cols; j++) { maze[i, j] = 1; } } // Set starting point maze[1, 1] = 0; DFS(maze, 1, 1); return maze; } void DFS(int[,] maze, int row, int col) { int[] directions = { 1, 2, 3, 4 }; Shuffle(directions); foreach (int dir in directions) { int[] dRow = { 0, 0, 1, -1 }; int[] dCol = { 1, -1, 0, 0 }; int newRow = row + 2 * dRow[dir - 1]; int newCol = col + 2 * dCol[dir - 1]; if (newRow > 0 && newRow < maze.GetLength(0) - 1 && newCol > 0 && newCol < maze.GetLength(1) - 1 && maze[newRow, newCol] == 1) { maze[row + dRow[dir - 1], col + dCol[dir - 1]] = 0; maze[newRow, newCol] = 0; DFS(maze, newRow, newCol); } } } void Shuffle(int[] array) { int n = array.Length; for (int i = 0; i < n; i++) { int r = i + random.Next(n - i); int temp = array[r]; array[r] = array[i]; array[i] = temp; } } } Skia Sharp To Utilise maze Algorithm and Generate Maze Image 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 // Create an image and fill it blue int width = 1920; int height = 1080; int step =50; SKBitmap bmp = new(width, height); SKCanvas canvas = new(bmp); canvas.Clear(SKColor.Parse("#fff")); Random rand = new(); SKPaint paint = new() { Color = SKColors.White.WithAlpha(100), IsAntialias = true , StrokeWidth = 2, ColorF = SKColor.Parse("#003366") }; int m= width/step, n=height/step; var ls = (new MazeAlgorithm()).GenerateMaze(m,n); ls[0,1]=0; for(var i=0; i<m;i++) { for(var j=0; j<n;j++) { paint.ColorF=(ls[i,j]==0)?SKColor.Parse("#ffffff"):SKColor.Parse("#000000"); canvas.DrawRect(i*step,j*step,step,step,paint); } } SKFileWStream fs = new("maze.jpg"); bmp.Encode(fs, SKEncodedImageFormat.Jpeg, quality: 50); bmp.Display();

Setup 1 2 #r "nuget:SkiaSharp" using SkiaSharp; Mandelbrot 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 // Create an image and fill it blue int width = 1920; int height = 1080; int step =50; SKBitmap bmp = new(width, height); SKCanvas canvas = new(bmp); canvas.Clear(SKColor.Parse("#fff")); Random rand = new(); SKPaint paint = new() { Color = SKColors.White.WithAlpha(100), IsAntialias = true , StrokeWidth = 2, ColorF = SKColor.Parse("#003366") }; double zoom = 1; double moveX = -0.5; double moveY = 0; int maxIterations = 50; for (int y = 0; y < height; y++) { for (int x = 0; x < width; x++) { double zx = 1.5 * (x - width / 2) / (0.5 * zoom * width) + moveX; double zy = (y - height / 2) / (0.5 * zoom * height) + moveY; double cx = zx; double cy = zy; int iteration = 0; double tmp; while ((zx * zx + zy * zy < 4) && (iteration < maxIterations)) { tmp = zx * zx - zy * zy + cx; zy = 2.0 * zx * zy + cy; zx = tmp; iteration++; } if (iteration == maxIterations) { canvas.DrawPoint(x, y, SKColors.Black); } else { // Colorize based on the number of iterations var color = SKColor.FromHsv(iteration % 256, 255, 255); canvas.DrawPoint(x, y, color); } } } SKFileWStream fs = new("mandelbrot.jpg"); bmp.Encode(fs, SKEncodedImageFormat.Jpeg, quality: 50); bmp.Display();

Creating Logos with SkiaSharp LOGO on this website is generated using SkiaSharp Only Requirements Visual Studio Code (VS Code) Polyglot Notebook Extension A little bit of experience in C# For Basic/Installation please visit Basic Setup Code Install SkiaSharp 1 #r "nuget:SkiaSharp" Import SkiaSharp Library 1 using SkiaSharp; Code To Generate Logo Logo Dimention and Stuff 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 int width=700; int height=700; int step = 30; float textSize =128f; string fontFamilyName = "Arial"; string LogoText ="<CFD/>"; float shiftX=150; float dividerX=2.0f; float shiftY=38; float dividerY=3.0f; var left=width/dividerX -shiftX; var top=height/dividerY -shiftY; var right= textSize*3.95f; var bottom=textSize*4f; float targetWidth = 800; // desired width float targetHeight = 800; // desired height float offsetX = 800; // horizontal offset float offsetY = 800; Vapor Structure Path ...