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43 lines
881 B
C++
43 lines
881 B
C++
#ifndef EPAPER_H
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#define EPAPER_H
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#include <string>
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#include <array>
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#include "logger.h"
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/*
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* The "Epaper" class.
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*
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* Wrapper for the epaper third Party library.
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*
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* Exists as singleton, as only one display may exist.
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*/
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class Epaper {
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public:
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static Epaper &get();
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~Epaper();
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// This function will draw template.png to the display and
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// convert the uri to a QR-Code and paste it on top of template.png
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// using imagemagick
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void draw(const std::string &uri);
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private:
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constexpr static int _HEIGHT = 176; // In Pixel
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constexpr static int _WIDTH = 33; // In Byte
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constexpr static int _ARRAY_SIZE = _HEIGHT * _WIDTH;
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Epaper();
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// The old image is needed when updating the Epaper display
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// It informs the display which pixels have to be flipped
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uint8_t _prevImg[_ARRAY_SIZE];
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const Logger &_logger;
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};
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#endif
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