Changed RgbImage to template based Image (with template for pixel type)

Former-commit-id: ef02f164eaf3c2f9dd552c1c17b525cf6eed499c

include/utils/ColorRgb.h

@@ -0,0 +1,50 @@
+#pragma once
+
+// STL includes
+#include <cstdint>
+#include <iostream>
+
+struct ColorRgb;
+
+///
+/// Plain-Old-Data structure containing the red-green-blue color specification. Size of the
+/// structure is exactly 3-bytes for easy writing to led-device
+///
+struct ColorRgb
+{
+	/// The red color channel
+	uint8_t red;
+	/// The green color channel
+	uint8_t green;
+	/// The blue color channel
+	uint8_t blue;
+
+	/// 'Black' RgbColor (0, 0, 0)
+	static ColorRgb BLACK;
+	/// 'Red' RgbColor (255, 0, 0)
+	static ColorRgb RED;
+	/// 'Green' RgbColor (0, 255, 0)
+	static ColorRgb GREEN;
+	/// 'Blue' RgbColor (0, 0, 255)
+	static ColorRgb BLUE;
+	/// 'Yellow' RgbColor (255, 255, 0)
+	static ColorRgb YELLOW;
+	/// 'White' RgbColor (255, 255, 255)
+	static ColorRgb WHITE;
+};
+
+/// Assert to ensure that the size of the structure is 'only' 3 bytes
+static_assert(sizeof(ColorRgb) == 3, "Incorrect size of ColorRgb");
+
+///
+/// Stream operator to write ColorRgb to an outputstream (format "'{'[red]','[green]','[blue]'}'")
+///
+/// @param os The output stream
+/// @param color The color to write
+/// @return The output stream (with the color written to it)
+///
+inline std::ostream& operator<<(std::ostream& os, const ColorRgb& color)
+{
+	os << "{" << unsigned(color.red) << "," << unsigned(color.green) << "," << unsigned(color.blue) << "}";
+	return os;
+}