hyperion.ng/include/hyperion/ImageProcessor.h

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#pragma once
// Utils includes
#include <utils/RgbImage.h>
// Hyperion includes
#include <hyperion/ImageProcessorFactory.h>
#include <hyperion/LedString.h>
// Forward class declaration
namespace hyperion {
class ImageToLedsMap;
class BlackBorderProcessor;
}
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///
/// The ImageProcessor translates an RGB-image to RGB-values for the leds. The processing is
/// performed in two steps. First the average color per led-region is computed. Second a
/// color-tranform is applied based on a gamma-correction.
///
class ImageProcessor
{
public:
~ImageProcessor();
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///
/// Specifies the width and height of 'incomming' images. This will resize the buffer-image to
/// match the given size.
/// NB All earlier obtained references will be invalid.
///
/// @param[in] width The new width of the buffer-image
/// @param[in] height The new height of the buffer-image
///
void setSize(const unsigned width, const unsigned height);
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///
/// Processes the image to a list of led colors. This will update the size of the buffer-image
/// if required and call the image-to-leds mapping to determine the mean color per led.
///
/// @param[in] image The image to translate to led values
///
/// @return The color value per led
///
std::vector<RgbColor> process(const RgbImage& image);
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///
/// Determines the led colors of the image in the buffer.
///
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/// @param[in] image The image to translate to led values
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/// @param[out] ledColors The color value per led
///
void process(const RgbImage& image, std::vector<RgbColor>& ledColors);
private:
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/// Friend declaration of the factory for creating ImageProcessor's
friend class ImageProcessorFactory;
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///
/// Constructs an image-processor for translating an image to led-color values based on the
/// given led-string specification
///
/// @param[in] ledString The led-string specification
///
ImageProcessor(const LedString &ledString);
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///
/// Performs black-border detection (if enabled) on the given image
///
/// @param[in] image The image to perform black-border detection on
///
void verifyBorder(const RgbImage& image);
private:
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/// The Led-string specification
const LedString mLedString;
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/// Flag the enables(true)/disabled(false) blackborder detector
bool _enableBlackBorderRemoval;
/// The processor for black border detection
hyperion::BlackBorderProcessor* _borderProcessor;
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/// The mapping of image-pixels to leds
hyperion::ImageToLedsMap* mImageToLeds;
};