Adafruit_ImageReader_EPD.h

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#ifndef __ADAFRUIT_IMAGE_READER_EPD_H__
#define __ADAFRUIT_IMAGE_READER_EPD_H__

#include "Adafruit_EPD.h"
#include "Adafruit_ImageReader.h"

#define MIN_SZ_BMP_HEADER 54 
#define BMP_HEADER 0x4D42    


class Adafruit_Image_EPD : public Adafruit_Image {
public:
  void draw(Adafruit_EPD &epd, int16_t x, int16_t y);

protected:
  friend class Adafruit_ImageReader_EPD; 
};

class Adafruit_ImageReader_EPD : public Adafruit_ImageReader {
public:
  Adafruit_ImageReader_EPD(FatVolume &fs);
  Adafruit_ImageReader_EPD(void);
  ImageReturnCode drawBMP(char *filename, Adafruit_EPD &epd, int16_t x,
                          int16_t y, boolean transact = true);
  ImageReturnCode drawBMP(const uint8_t *bmp, size_t bmp_len, Adafruit_EPD &epd,
                          int16_t x, int16_t y);

  static uint8_t mapColorForDisplay(uint8_t r, uint8_t g, uint8_t b,
                                    thinkinkmode_t mode);

private:
  ImageReturnCode coreBMP(char *filename, Adafruit_EPD *epd, uint16_t *dest,
                          int16_t x, int16_t y, Adafruit_Image_EPD *img,
                          boolean transact);
  ImageReturnCode coreBMP(const uint8_t *bmp, size_t bmp_len, Adafruit_EPD *epd,
                          int16_t x, int16_t y);
};

#endif // __ADAFRUIT_IMAGE_READER_EPD_H__