// IMPORTANT: Adafruit_ILI9341_8bit_AS LIBRARY MUST BE SPECIFICALLY
// CONFIGURED FOR EITHER THE TFT SHIELD OR THE BREAKOUT BOARD.
// DEFAULT IS THE UNO SHIELD
// SEE RELEVANT COMMENTS IN Adafruit_ILI9341_8bit_AS.h FOR SETUP.

//#define DEBUG // Gives stats on serial display.
#include <Adafruit_GFX_AS.h>    // Core graphics library
#include <Adafruit_ILI9341_8bit_AS.h> // Hardware-specific library

// The control pins for the LCD can be assigned to any digital or
// analog pins...but we'll use the analog pins as this allows us to
// double up the pins with the touch screen (see the TFT paint example).
#define LCD_CS A3 // Chip Select goes to Analog 3
#define LCD_CD A2 // Command/Data goes to Analog 2, Labled LCD_RS 
#define LCD_WR A1 // LCD Write goes to Analog 1
#define LCD_RD A0 // LCD Read goes to Analog 0
#define LCD_RESET A4 // Can alternately just connect to Arduino's reset pin

// Assign human-readable names to some common 16-bit color values:
// Set for inverted color display.

#define	BLACK   0xFFFF
#define	BLUE    0xFFE0
#define	GREEN   0xF81F
#define CYAN    0xF800
#define GRAY1	0x8410  
#define	RED     0x07FF
//define BRIGHT_RED 0x????
#define GRAY2	0x4208
#define MAGENTA 0x07E0
#define YELLOW  0x001F
#define WHITE   0x0000

Adafruit_ILI9341_8bit_AS tft(LCD_CS, LCD_CD, LCD_WR, LCD_RD, LCD_RESET);
// If using the shield, all control and data lines are fixed, and
// a simpler declaration can optionally be used:
// Adafruit_ILI9341_8bit_AS tft;

void setup(void) 
{
  tft.reset();
  delay(10);
  tft.begin(0x9341);
  //tft.setRotation(0);
}

void loop(void) 
{
  //for(uint8_t rotation=0; rotation<4; rotation++) 
   {
     //tft.setRotation(rotation);
     //Text();
     //delay(1000);
   }
  //Calls for subroutines
  FilledRoundRects();
  RoundRects();
  FilledTriangles();
  Triangles();
  Circles(10, WHITE);
  FillScreen();
  Text();
  Lines(CYAN);
  FastLines(RED, BLUE);
  Rects(GREEN);
  FilledRects(YELLOW, MAGENTA);
  FilledCircles(10, MAGENTA);
}


unsigned long FillScreen() 
{
  tft.fillScreen(BLACK);
  tft.fillScreen(RED);
  tft.fillScreen(GREEN);
  tft.fillScreen(BLUE);
  tft.fillScreen(WHITE);
  tft.fillScreen(BLACK);
}

unsigned long Text()
{
  tft.fillScreen(BLACK);
  tft.setCursor(0, 0);
  tft.setTextColor(BLUE);
  tft.setTextSize(3);
  tft.println("Hello");
  tft.println("What's UP ?");
  delay(1000);
}

//unsigned long Text() 
//{
//  tft.fillScreen(BLACK);
//  tft.setCursor(0, 0);
//  tft.setTextColor(WHITE);  
//  tft.setTextSize(3);
//  tft.println("Hello World!");
//  tft.setTextColor(YELLOW); 
//  tft.setTextSize(2);
//  tft.println(1234.56);
//  tft.setTextColor(RED);    
//  tft.setTextSize(3);
//  tft.println(0xDEAFBEEF, HEX);
//  //tft.println();
//  tft.setTextColor(GREEN);
//  //tft.setTextSize(5);
//  //tft.println("Hello World");
//  //tft.setTextSize(4);
//  //tft.println("Hello World");
//  tft.setTextSize(3);
//  tft.println("Hello World");
//  tft.setTextSize(2);
//  tft.println("Hello World");
//  tft.setTextSize(1);
//  tft.println("Hello World");  
//}

unsigned long Lines(uint16_t color)                             // Define Routine Name and type.
{                                                               // Start of Routine.

  int  x1, y1, x2, y2,                                          // define x1,y1,x2,y2,w,h as int 
       w = tft.width(),                                         // w = 240
       h = tft.height();                                        // h = 320

  tft.fillScreen(BLACK);                                        // Clear Screen to BLACK.

  x1 = y1 = 0;                                                  // set x1, y1 to 0
  y2 = h - 1;                                                   // set y2 to (tft.height(320)- 1) = (319).

  for(x2=0; x2<w; x2+=6)                                        // For loop.
  tft.drawLine(x1, y1, x2, y2, color);                          // draw line
   
  x2 = w - 1;                                                   // set x2 to (tft.width(240)- 1) = (239).
  
  for(y2=0; y2<h; y2+=6)                                        // For loop.
  tft.drawLine(x1, y1, x2, y2, color);                          // draw line.

  tft.fillScreen(BLACK);                                        // Clear Screen to BLACK.

  x1 = w - 1;                                                   // set x1 to (tft.width(240)- 1) = (239).
  y1 = 0;                                                       // set y1 to 0.
  y2 = h - 1;                                                   // set y2 to (tft.height(320)- 1) = (319).

  for(x2=0; x2<w; x2+=6)                                        // For loop.
  tft.drawLine(x1, y1, x2, y2, color);                          // draw line
  
  x2 = 0;                                                       // set x2 to 0.
  
  for(y2=0; y2<h; y2+=6)                                        // For loop.
  tft.drawLine(x1, y1, x2, y2, color);                          // draw line

  tft.fillScreen(BLACK);                                        // Clear Screen to BLACK.

  x1 = 0;                                                       // set x1 to 0.
  y1 = h - 1;                                                   // set y1 to (tft.height(320)- 1) = (319).
  y2 = 0;                                                       // set y2 to 0.

  for(x2=0; x2<w; x2+=6)                                        // For loop.
  tft.drawLine(x1, y1, x2, y2, color);                          // draw line
  
  x2 = w - 1;                                                   // set x2 to (tft.width(240)- 1) = (239).
  
  for(y2=0; y2<h; y2+=6)                                        // For loop.
  tft.drawLine(x1, y1, x2, y2, color);                          // draw line

  tft.fillScreen(BLACK);                                        // Clear Screen to BLACK.

  x1    = w - 1;                                                // set x1 to (tft.width(240)- 1) = (239).
  y1    = h - 1;                                                // set y1 to (tft.height(320)- 1) = (319).
  y2    = 0;                                                    // set y2 to 0.

  for(x2=0; x2<w; x2+=6)                                        // For loop.
  tft.drawLine(x1, y1, x2, y2, color);                          // draw line
  
  x2 = 0;                                                       // set x2 to 0.
  
  for(y2=0; y2<h; y2+=6)                                        // For loop.
  tft.drawLine(x1, y1, x2, y2, color);                          // draw line
  
}                                                               // Finish of routine.

unsigned long FastLines(uint16_t color1, uint16_t color2)
{
  unsigned long start;
  int x, y, w = tft.width(), h = tft.height();

  tft.fillScreen(BLACK);
  for(y=0; y<h; y+=5) tft.drawFastHLine(0, y, w, color1);
  for(x=0; x<w; x+=5) tft.drawFastVLine(x, 0, h, color2);
}


unsigned long Rects(uint16_t color) 
{
  unsigned long start;
  int n, i, i2, cx = tft.width()  / 2, cy = tft.height() / 2;

  tft.fillScreen(BLACK);
  
  n = min(tft.width(), tft.height());

  for(i=2; i<n; i+=6) 
  {
    i2 = i / 2;
    tft.drawRect(cx-i2, cy-i2, i, i, color);
  }
}

unsigned long FilledRects(uint16_t color1, uint16_t color2) 
{
  unsigned long start, t = 0;
  int n, i, i2, cx = tft.width() / 2 - 1, cy = tft.height() / 2 - 1;

  tft.fillScreen(BLACK);
  
  n = min(tft.width(), tft.height());
  
  for(i=n; i>0; i-=6) {
    i2    = i / 2;
    
    tft.fillRect(cx-i2, cy-i2, i, i, color1);

    tft.drawRect(cx-i2, cy-i2, i, i, color2);
  }
}

unsigned long FilledCircles(uint8_t radius, uint16_t color) {
  
  unsigned long start;
  
  int x, y, w = tft.width(), h = tft.height(), r2 = radius * 2;

  tft.fillScreen(BLACK);

  for(x=radius; x<w; x+=r2) 
  {
    for(y=radius; y<h; y+=r2)
    {
      tft.fillCircle(x, y, radius, color);
    }
  }
}

unsigned long Circles(uint8_t radius, uint16_t color)
{
  int x, y, r2 = radius * 2, w = tft.width()+radius, h = tft.height()+radius;

  tft.fillScreen(BLACK);
     
  for(x=0; x<w; x+=r2)
  {
    for(y=0; y<h; y+=r2) 
    {
      tft.drawCircle(x, y, radius, color);
    }
  }
}

unsigned long Triangles() 
{
  unsigned long start;
  int n, i, cx = tft.width()  / 2 - 1, cy = tft.height() / 2 - 1;

  tft.fillScreen(BLACK);
  n = min(cx, cy);
  
  for(i=0; i<n; i+=5)
  {
    tft.drawTriangle(
      cx    , cy - i, // peak
      cx - i, cy + i, // bottom left
      cx + i, cy + i, // bottom right
      tft.color565(0, 0, i));
  }
}

unsigned long FilledTriangles()
{
  unsigned long start, t = 0;
  int i, cx = tft.width()  / 2 - 1, cy = tft.height() / 2 - 1;

  tft.fillScreen(BLACK);

  for(i=min(cx,cy); i>10; i-=5)
  {
    tft.fillTriangle(cx, cy - i, cx - i, cy + i, cx + i, cy + i,tft.color565(0, i, i));
    tft.drawTriangle(cx, cy - i, cx - i, cy + i, cx + i, cy + i,tft.color565(i, i, 0));
  }
}

unsigned long RoundRects() 
{
  unsigned long start;
  int w, i, i2,cx = tft.width()  / 2 - 1,cy = tft.height() / 2 - 1;

  tft.fillScreen(BLACK);
  
  w = min(tft.width(), tft.height());

  for(i=0; i<w; i+=6) 
  {
    i2 = i / 2;
    tft.drawRoundRect(cx-i2, cy-i2, i, i, i/8, tft.color565(i, 0, 0));
  }
}

unsigned long FilledRoundRects()
{
  unsigned long start;
  int i, i2, cx = tft.width()  / 2 - 1, cy = tft.height() / 2 - 1;

  tft.fillScreen(BLACK);

  for(i=min(tft.width(), tft.height()); i>20; i-=6)
  {
    i2 = i / 2;
    tft.fillRoundRect(cx-i2, cy-i2, i, i, i/8, tft.color565(0, i, 0));
  }
}