text: #ifndef __DOTMATRIX_GROWINGHEART_H
  #define __DOTMATRIX_GROWINGHEART_H
  
  #include <Adafruit_DotStarMatrix.h>
  #include <cstdlib>
  
  class DotMatrix_GrowingHeart {
  private:
    Adafruit_DotStarMatrix* matrix;
    uint16_t PIXELS;
    uint16_t CUR_INDEX;
    uint32_t COLOUR; //RED
    uint32_t OFF; //BLACK
    void displayImage(uint64_t image);
  
  public:
    DotMatrix_GrowingHeart();
    DotMatrix_GrowingHeart& setMatrix(Adafruit_DotStarMatrix* matrix);
    void matrixBegin();
    bool increase();
    void reset();
  };
  
  #endif
  