diff --git a/Base/include/FasTC/Color.h b/Base/include/FasTC/Color.h
index 0ca5846..b3c9483 100644
--- a/Base/include/FasTC/Color.h
+++ b/Base/include/FasTC/Color.h
@@ -93,6 +93,8 @@ class Color : public Vec4f {
 
   // Tests for equality by comparing the values and the bit depths.
   bool operator==(const Color &) const;
+
+  void MakeOpaque() { A() = 1.f ; }
 };
 REGISTER_VECTOR_TYPE(Color);
 
diff --git a/Base/include/FasTC/IPixel.h b/Base/include/FasTC/IPixel.h
index a9bb547..dedf271 100644
--- a/Base/include/FasTC/IPixel.h
+++ b/Base/include/FasTC/IPixel.h
@@ -77,6 +77,8 @@ class IPixel : public VectorBase<float, 1> {
   // up in the most-significant byte.
   uint32 Pack() const;
   void Unpack(uint32 rgba);
+
+  void MakeOpaque() { /* Do nothing.. */ }
 };
 REGISTER_VECTOR_TYPE(IPixel);
 
diff --git a/Base/include/FasTC/Pixel.h b/Base/include/FasTC/Pixel.h
index bc3c126..0a51d75 100644
--- a/Base/include/FasTC/Pixel.h
+++ b/Base/include/FasTC/Pixel.h
@@ -170,6 +170,8 @@ class Pixel : public Vector4<int16> {
       vec[i] = (vec[i] < 0)? 0 : ((vec[i] > 255)? 255 : vec[i]);
     }
   }
+
+  void MakeOpaque() { A() = 255; }
 };
 REGISTER_VECTOR_TYPE(Pixel);