AnderWeb · October 7, 2014 10:49 · Oct 7, 2014
diff --git a/HexagonDrawable.java b/HexagonDrawable.java
@@ -0,0 +1,84 @@
+package org.adw.drawables;
+
+import android.graphics.Canvas;
+import android.graphics.ColorFilter;
+import android.graphics.Paint;
+import android.graphics.Path;
+import android.graphics.Rect;
+import android.graphics.drawable.Drawable;
+import android.util.FloatMath;
+
+/**
+ * Created by AnderWeb (Gustavo Claramunt) on 7/10/14.
+ */
+public class HexagonDrawable extends Drawable {
+
+    public static final int SIDES = 6;
+    private Path hexagon = new Path();
+    private Path temporal = new Path();
+    private Paint paint = new Paint(Paint.ANTI_ALIAS_FLAG);
+
+    public HexagonDrawable(int color) {
+        paint.setColor(color);
+        hexagon.setFillType(Path.FillType.EVEN_ODD);
+    }
+
+    @Override
+    public void draw(Canvas canvas) {
+        canvas.drawPath(hexagon, paint);
+    }
+
+    @Override
+    public void setAlpha(int alpha) {
+        paint.setAlpha(alpha);
+    }
+
+    @Override
+    public void setColorFilter(ColorFilter cf) {
+        paint.setColorFilter(cf);
+    }
+
+    @Override
+    public int getOpacity() {
+        return paint.getAlpha();
+    }
+
+    @Override
+    protected void onBoundsChange(Rect bounds) {
+        super.onBoundsChange(bounds);
+        computeHex(bounds);
+        invalidateSelf();
+    }
+
+    public void computeHex(Rect bounds) {
+
+        final int width = bounds.width();
+        final int height = bounds.height();
+        final int size = Math.min(width, height);
+        final int centerX = bounds.left + (width / 2);
+        final int centerY = bounds.top + (height / 2);
+
+        hexagon.reset();
+        hexagon.addPath(createHexagon(size, centerX, centerY));
+        hexagon.addPath(createHexagon((int) (size * .8f), centerX, centerY));
+    }
+
+    private Path createHexagon(int size, int centerX, int centerY) {
+        final float section = (float) (2.0 * Math.PI / SIDES);
+        int radius = size / 2;
+        Path hex = temporal;
+        hex.reset();
+        hex.moveTo(
+                (centerX + radius * FloatMath.cos(0)),
+                (centerY + radius * FloatMath.sin(0)));
+
+        for (int i = 1; i < SIDES; i++) {
+            hex.lineTo(
+                    (centerX + radius * FloatMath.cos(section * i)),
+                    (centerY + radius * FloatMath.sin(section * i)));
+        }
+
+        hex.close();
+        return hex;
+    }
+}