raw bitmap: ramps

swharden · Nov 8, 2022 · 8cad7a1 · 8cad7a1
1 parent 8800788
commit 8cad7a1
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Showing 2 changed files with 18 additions and 0 deletions.
diff --git a/projects/bitmap-raw/BitmapGenerator.cs b/projects/bitmap-raw/BitmapGenerator.cs
@@ -89,4 +89,21 @@ public static byte[] RandomRectangles(int width = 400, int height = 300)
 
         return bmp.GetBitmapBytes();
     }
+
+    public static byte[] Ramps(int width = 401, int height = 307)
+    {
+        RawBitmap bmp = new(width, height);
+
+        for (int y = 0; y < height; y++)
+        {
+            for (int x = 0; x < width; x++)
+            {
+                byte value = (byte)((x % 10) * 25);
+                RawColor color = RawColor.Gray(value++);
+                bmp.SetPixel(x, y, color);
+            }
+        }
+
+        return bmp.GetBitmapBytes();
+    }
 }
diff --git a/projects/bitmap-raw/Program.cs b/projects/bitmap-raw/Program.cs
@@ -6,6 +6,7 @@
 SaveBitmapBytes(BitmapGenerator.RandomGrayscale(), "random-grayscale.jpg");
 SaveBitmapBytes(BitmapGenerator.RandomRGB(), "random-rgb.jpg");
 SaveBitmapBytes(BitmapGenerator.RandomRectangles(), "rectangles.jpg");
+SaveBitmapBytes(BitmapGenerator.Ramps(), "ramps.jpg");
 
 static void SaveBitmapBytes(byte[] bytes, string filename)
 {