/*
  This Arduino sketch shows QR-code with word 'AMAZING' and a heart
  in the right side of GLCD-display.
  Library openGLCD https://bitbucket.org/bperrybap/openglcd/wiki/Home
  is used.
  Author: Maxim Logunov spitty.pnz@gmail.com
  Date: 2016-12-17
 */

#include <openGLCD.h>

#define RECTSIZE 21
#define PXSIZE 2

const int bits[RECTSIZE][RECTSIZE] = {{0,0,0,0,0,0,0,1,0,1,1,0,1,1,0,0,0,0,0,0,0},
{0,1,1,1,1,1,0,1,1,0,1,1,0,1,0,1,1,1,1,1,0},
{0,1,0,0,0,1,0,1,1,0,1,1,1,1,0,1,0,0,0,1,0},
{0,1,0,0,0,1,0,1,0,1,0,0,0,1,0,1,0,0,0,1,0},
{0,1,0,0,0,1,0,1,1,1,1,0,1,1,0,1,0,0,0,1,0},
{0,1,1,1,1,1,0,1,1,0,1,0,0,1,0,1,1,1,1,1,0},
{0,0,0,0,0,0,0,1,0,1,0,1,0,1,0,0,0,0,0,0,0},
{1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1},
{1,1,0,1,0,0,1,1,0,0,1,0,0,1,1,1,1,0,1,1,0},
{1,0,1,0,0,0,1,0,0,0,0,0,0,0,1,1,1,0,1,0,1},
{0,1,1,1,0,1,1,0,0,0,0,0,0,0,1,1,0,0,1,1,1},
{1,0,1,1,1,0,1,1,0,0,0,0,0,1,1,1,1,1,0,1,1},
{0,0,0,1,0,0,0,1,1,0,0,0,1,1,1,1,0,1,0,0,1},
{1,1,1,1,1,1,1,1,1,1,0,1,1,1,0,0,1,0,0,1,1},
{0,0,0,0,0,0,0,1,1,1,1,1,1,0,0,0,1,1,1,1,1},
{0,1,1,1,1,1,0,1,0,0,1,1,0,0,0,0,0,1,0,1,0},
{0,1,0,0,0,1,0,1,0,1,1,1,1,0,1,0,1,0,0,1,0},
{0,1,0,0,0,1,0,1,1,1,0,0,1,1,0,0,1,0,1,0,1},
{0,1,0,0,0,1,0,1,0,0,0,0,0,1,0,1,0,1,0,1,0},
{0,1,1,1,1,1,0,1,1,0,0,1,1,0,0,0,1,1,1,0,0},
{0,0,0,0,0,0,0,1,1,1,0,0,1,0,0,1,0,0,0,1,0}}; 

void setup()
{
  GLCD.Init();
  GLCD.ClearScreen();
}
void  loop()
{  
  for (int i = 0; i < RECTSIZE; i++) {
    for (int j = 0; j < RECTSIZE; j++) {
      uint8_t color = (bits[i][j] == 0 ? PIXEL_ON : PIXEL_OFF);
      // padding-top : 11 = (64 - RECTSIZE * PXSIZE) / 2
      // padding-left : 75 = WIDTH / 2 + (64 - RECTSIZE * PXSIZE) / 2
      GLCD.FillRect(75 + j * PXSIZE, 11 + i * PXSIZE, 2, 2, color);
    }
  }
  delay(1000);
}