Initial data commit

Task/Bitmap-Bresenhams-line-algorithm/C-sharp/bitmap-bresenhams-line-algorithm.cs

@@ -0,0 +1,27 @@
+using System;
+using System.Drawing;
+using System.Drawing.Imaging;
+static class Program
+{
+    static void Main()
+    {
+        new Bitmap(200, 200)
+            .DrawLine(0, 0, 199, 199, Color.Black).DrawLine(199,0,0,199,Color.Black)
+            .DrawLine(50, 75, 150, 125, Color.Blue).DrawLine(150, 75, 50, 125, Color.Blue)
+            .Save("line.png", ImageFormat.Png);
+    }
+    static Bitmap DrawLine(this Bitmap bitmap, int x0, int y0, int x1, int y1, Color color)
+    {
+        int dx = Math.Abs(x1 - x0), sx = x0 < x1 ? 1 : -1;
+        int dy = Math.Abs(y1 - y0), sy = y0 < y1 ? 1 : -1;
+        int err = (dx > dy ? dx : -dy) / 2, e2;
+        for(;;) {
+            bitmap.SetPixel(x0, y0, color);
+            if (x0 == x1 && y0 == y1) break;
+            e2 = err;
+            if (e2 > -dx) { err -= dy; x0 += sx; }
+            if (e2 < dy) { err += dx; y0 += sy; }
+        }
+        return bitmap;
+    }
+}