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