First working version with some test executables

include/hyperion/Hyperion.h

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+
+#pragma once
+
+// hyperion-utils includes
+#include <utils/RgbImage.h>
+
+#include <hyperion/LedString.h>
+#include <hyperion/ImageToLedsMap.h>
+#include <hyperion/LedDevice.h>
+
+class Hyperion
+{
+public:
+	Hyperion(const Json::Value& jsonConfig);
+
+	~Hyperion();
+
+	void setInputSize(const unsigned width, const unsigned height);
+
+	RgbImage& image()
+	{
+		return *mImage;
+	}
+
+	void commit();
+
+	void operator() (const RgbImage& inputImage);
+
+	void setColor(const RgbColor& color);
+
+private:
+	void applyTransform(std::vector<RgbColor>& colors) const;
+
+	LedString mLedString;
+
+	RgbImage* mImage;
+
+	ImageToLedsMap mLedsMap;
+
+	LedDevice* mDevice;
+};

include/hyperion/ImageToLedsMap.h

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+
+#pragma once
+
+// hyperion-utils includes
+#include <utils/RgbImage.h>
+
+// hyperion includes
+#include <hyperion/LedString.h>
+
+class ImageToLedsMap
+{
+public:
+
+	ImageToLedsMap();
+
+	void createMapping(const RgbImage& image, const std::vector<Led>& leds);
+
+	std::vector<RgbColor> getMeanLedColor();
+
+	RgbColor findMeanColor(const std::vector<const RgbColor*>& colors);
+
+	std::vector<RgbColor> getMedianLedColor();
+
+	RgbColor findMedianColor(std::vector<const RgbColor*>& colors);
+private:
+	std::vector<std::vector<const RgbColor*> > mColorsMap;
+};

include/hyperion/LedDevice.h

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+#pragma once
+
+// STL incldues
+#include <vector>
+
+// Utility includes
+#include <utils/RgbColor.h>
+
+class LedDevice
+{
+public:
+
+	/**
+	 * Empty virtual destructor for pure virtual base class
+	 */
+	virtual ~LedDevice()
+	{
+		// empty
+	}
+
+	/**
+	 * Writes the RGB-Color values to the leds.
+	 *
+	 * @param[in] ledValues  The RGB-color per led
+	 */
+	virtual int write(const std::vector<RgbColor>& ledValues) = 0;
+};

include/hyperion/LedString.h

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+
+#pragma once
+
+// STL includes
+#include <ctime>
+#include <string>
+#include <vector>
+
+// Local includes
+#include <utils/RgbColor.h>
+
+// Forward class declarations
+namespace Json { class Value; }
+
+/**
+ * The Led structure contains the definition of the image portion used to determine a single led's
+ * color.
+ * <pre>
+ * |--------------------image--|
+ * | minX  maxX                |
+ * |  |-----|maxY              |
+ * |  |     |                  |
+ * |  |-----|minY              |
+ * |                           |
+ * |                           |
+ * |                           |
+ * |---------------------------|
+ * <endpre>
+ */
+struct Led
+{
+	/** The index of the led */
+	unsigned index;
+
+	/** The minimum vertical scan line included for this leds color */
+	double minX_frac;
+	/** The maximum vertical scan line included for this leds color */
+	double maxX_frac;
+	/** The minimum horizontal scan line included for this leds color */
+	double minY_frac;
+	/** The maximum horizontal scan line included for this leds color */
+	double maxY_frac;
+};
+
+class LedString
+{
+public:
+	static LedString construct(const Json::Value& ledConfig, const Json::Value& colorConfig);
+
+	LedString();
+
+	~LedString();
+
+	const std::vector<Led>& leds() const;
+
+private:
+	std::vector<Led> mLeds;
+
+public:
+	/**
+	 * Color adjustements per color
+	 */
+	struct
+	{
+		/** The color gradient */
+		double gamma;
+		/** The color offset */
+		double adjust;
+		/** The minimum required level for the led to turn on */
+		double blacklevel;
+	} red, green, blue;
+};