#include <Adafruit_GFX.h>
#include <Adafruit_ILI9341.h>
#include "pgmspace.h"
#include "Image.h"
#include <Fonts/FreeSerif9pt7b.h>
#include <Fonts/FreeMono9pt7b.h>

Adafruit_ILI9341 tft(15,2);

void Text1(int x, int y, int size, uint16_t color, char *text) {
  tft.setFont(&FreeSerif9pt7b);
  tft.setCursor(x,y);
  tft.setTextSize(size);
  tft.setTextColor(color);
  tft.print(text);
}
void Text2(int x, int y, int size, uint16_t color, char *text) {
  tft.setFont(&FreeMono9pt7b);
  tft.setCursor(x,y);
  tft.setTextSize(size);
  tft.setTextColor(color);
  tft.print(text);
}

void drawBitmap(int x, int y, float angle, const uint16_t *bitmap, int w, int h) {
  float rad = (angle*3.14159)/180;
  float rot = tan(rad);
  int shift = int(1/rot);
  int offset_x = 0, offset_y = 0;
  for(int j=0; j<h; j++) {
    if(j%shift==0) {
      offset_x++;
    }
    for(int i=0; i<w; i++) {
      if(i%shift==0) {
        offset_y++;
        tft.drawPixel(x+i+offset_x-1, y+j-offset_y, pgm_read_word(&bitmap[(j*w)+i]));
      }
      tft.drawPixel(x+i+offset_x, y+j-offset_y, pgm_read_word(&bitmap[(j*w)+i]));
    }
    offset_y = 0;
  }
}

float size;

void setup() {
  tft.begin();
  tft.fillScreen(0xFFFF);

}

void loop() {
  //Text1(40, 20, 1, 0x000F, "Shree Radha Krishna");
  drawBitmap(-120,150, 40, Image1, IMAGE_WIDTH, IMAGE_HEIGHT);
  //Text2(10, 300, 1, 0x39E7, "File Size :");
  //size = IMAGE_WIDTH*IMAGE_HEIGHT*2;
  //tft.print(size/1024);
  //tft.print(" kB");
}