Create RgbChannelCorrection.h

Former-commit-id: 7b0decaf9a9829cbc39a9d14db6bb42fb3d68445

include/utils/RgbChannelCorrection.h

@@ -0,0 +1,67 @@
+#pragma once
+
+// STL includes
+#include <cstdint>
+
+/// Correction for a single color byte value
+/// All configuration values are unsigned int and assume the color value to be between 0 and 255
+class RgbChannelCorrection
+{
+public:
+	/// Default constructor
+	RgbChannelCorrection();
+	
+	/// Constructor
+	/// @param correctionR  
+	/// @param correctionG 
+	/// @param correctionB 
+
+	RgbChannelCorrection(int correctionR, int correctionG, int correctionB);
+
+	/// Destructor
+	~RgbChannelCorrection();
+
+	/// @return The current correctionR value
+	uint8_t getcorrectionR() const;
+
+	/// @param threshold New correctionR value
+	void setcorrectionR(uint8_t correctionR);
+
+	/// @return The current correctionG value
+	uint8_t getcorrectionG() const;
+
+	/// @param gamma New correctionG value
+	void setcorrectionG(uint8_t correctionG);
+
+	/// @return The current correctionB value
+	uint8_t getcorrectionB() const;
+
+	/// @param blacklevel New correctionB value
+	void setcorrectionB(uint8_t correctionB);
+
+	/// Transform the given array value
+	/// @param input The input color bytes
+	/// @return The transformed byte value
+	uint8_t correctionR(uint8_t inputR) const;
+	uint8_t correctionG(uint8_t inputG) const;
+	uint8_t correctionB(uint8_t inputB) const;
+
+
+private:
+	/// (re)-initilize the color mapping
+	void initializeMapping();
+
+private:
+	/// The correction of R channel
+	int _correctionR;
+	/// The correction of G channel
+	int _correctionG;
+	/// The correction of B channel
+	int _correctionB;
+	
+	/// The mapping from input color to output color
+
+	int _mappingR[256];
+	int _mappingG[256];
+	int _mappingB[256];
+};