1 files changed, 190 insertions, 0 deletions
diff --git a/libraries/Robot_Control/Adafruit_GFX.h b/libraries/Robot_Control/Adafruit_GFX.h
new file mode 100644
index 0000000..1f6b8d8
--- /dev/null
+++ b/libraries/Robot_Control/Adafruit_GFX.h
@@ -0,0 +1,190 @@
+/******************************************************************
+ This is the core graphics library for all our displays, providing
+ basic graphics primitives (points, lines, circles, etc.). It needs
+ to be paired with a hardware-specific library for each display
+ device we carry (handling the lower-level functions).
+ 
+ Adafruit invests time and resources providing this open
+ source code, please support Adafruit and open-source hardware
+ by purchasing products from Adafruit!
+ 
+ Written by Limor Fried/Ladyada for Adafruit Industries.
+ BSD license, check license.txt for more information.
+ All text above must be included in any redistribution.
+ ******************************************************************/
+
+#ifndef _ADAFRUIT_GFX_H
+#define _ADAFRUIT_GFX_H
+
+#if ARDUINO >= 100
+ #include "Arduino.h"
+ #include "Print.h"
+#else
+ #include "WProgram.h"
+#endif
+
+//#include "PImage.h"
+
+#define swap(a, b) { int16_t t = a; a = b; b = t; }
+
+/* TODO
+enum RectMode {
+  CORNER,
+  CORNERS,
+  RADIUS,
+  CENTER
+};
+*/
+
+typedef uint16_t color;
+
+class Adafruit_GFX : public Print {
+ public:
+
+  //Adafruit_GFX();
+  // i have no idea why we have to formally call the constructor. kinda sux
+  void constructor(int16_t w, int16_t h);
+
+  // this must be defined by the subclass
+  virtual void drawPixel(int16_t x, int16_t y, uint16_t color);
+  virtual void invertDisplay(boolean i);
+
+  // these are 'generic' drawing functions, so we can share them!
+  virtual void drawLine(int16_t x0, int16_t y0, int16_t x1, int16_t y1, 
+		uint16_t color);
+  virtual void drawFastVLine(int16_t x, int16_t y, int16_t h, uint16_t color);
+  virtual void drawFastHLine(int16_t x, int16_t y, int16_t w, uint16_t color);
+  virtual void drawRect(int16_t x, int16_t y, int16_t w, int16_t h, 
+		uint16_t color);
+  virtual void fillRect(int16_t x, int16_t y, int16_t w, int16_t h, 
+		uint16_t color);
+  virtual void fillScreen(uint16_t color);
+
+  void drawCircle(int16_t x0, int16_t y0, int16_t r, uint16_t color);
+  void drawCircleHelper(int16_t x0, int16_t y0,
+			int16_t r, uint8_t cornername, uint16_t color);
+  void fillCircle(int16_t x0, int16_t y0, int16_t r, uint16_t color);
+  void fillCircleHelper(int16_t x0, int16_t y0, int16_t r,
+		      uint8_t cornername, int16_t delta, uint16_t color);
+
+  void drawTriangle(int16_t x0, int16_t y0, int16_t x1, int16_t y1,
+		    int16_t x2, int16_t y2, uint16_t color);
+  void fillTriangle(int16_t x0, int16_t y0, int16_t x1, int16_t y1,
+		    int16_t x2, int16_t y2, uint16_t color);
+  void drawRoundRect(int16_t x0, int16_t y0, int16_t w, int16_t h,
+		     int16_t radius, uint16_t color);
+  void fillRoundRect(int16_t x0, int16_t y0, int16_t w, int16_t h,
+		     int16_t radius, uint16_t color);
+
+  void drawBitmap(int16_t x, int16_t y, 
+		  const uint8_t *bitmap, int16_t w, int16_t h,
+		  uint16_t color);
+  void drawChar(int16_t x, int16_t y, unsigned char c,
+		uint16_t color, uint16_t bg, uint8_t size);
+#if ARDUINO >= 100
+  virtual size_t write(uint8_t);
+#else
+  virtual void   write(uint8_t);
+#endif
+  void setCursor(int16_t x, int16_t y);
+  void setTextColor(uint16_t c);
+  void setTextColor(uint16_t c, uint16_t bg);
+  void setTextSize(uint8_t s);
+  void setTextWrap(boolean w);
+
+  int16_t height(void);
+  int16_t width(void);
+
+  void setRotation(uint8_t r);
+  uint8_t getRotation(void);
+
+  
+  /*
+   * Processing-like graphics primitives
+   */
+  
+  /// transforms a color in 16-bit form given the RGB components.
+  /// The default implementation makes a 5-bit red, a 6-bit
+  /// green and a 5-bit blue (MSB to LSB). Devices that use
+  /// different scheme should override this. 
+  virtual uint16_t newColor(uint8_t red, uint8_t green, uint8_t blue);
+  
+  
+  // http://processing.org/reference/background_.html
+  void background(uint8_t red, uint8_t green, uint8_t blue);
+  void background(color c);
+
+  // http://processing.org/reference/fill_.html
+  void fill(uint8_t red, uint8_t green, uint8_t blue);
+  void fill(color c);
+
+  // http://processing.org/reference/noFill_.html
+  void noFill();
+
+  // http://processing.org/reference/stroke_.html
+  void stroke(uint8_t red, uint8_t green, uint8_t blue);
+  void stroke(color c);
+
+  // http://processing.org/reference/noStroke_.html
+  void noStroke();
+  
+  void text(const char * text, int16_t x, int16_t y);
+  void text(int value, uint8_t posX, uint8_t posY);
+  void text(long value, uint8_t posX, uint8_t posY);
+  void text(char value, uint8_t posX, uint8_t posY);
+  
+  void textWrap(const char * text, int16_t x, int16_t y);
+
+  void textSize(uint8_t size);
+  
+  // similar to ellipse() in Processing, but with
+  // a single radius.
+  // http://processing.org/reference/ellipse_.html
+  void circle(int16_t x, int16_t y, int16_t r);
+  
+  void point(int16_t x, int16_t y);
+  
+  void line(int16_t x1, int16_t y1, int16_t x2, int16_t y2);
+  
+  void quad(int16_t x1, int16_t y1, int16_t x2, int16_t y2, int16_t x3, int16_t y3, int16_t x4, int16_t y4);
+  
+  void rect(int16_t x, int16_t y, int16_t width, int16_t height);
+
+  void rect(int16_t x, int16_t y, int16_t width, int16_t height, int16_t radius);
+  
+  void triangle(int16_t x1, int16_t y1, int16_t x2, int16_t y2, int16_t x3, int16_t y3);
+  
+  /* TODO
+  void rectMode(RectMode mode);
+  
+  void pushStyle();
+  void popStyle();
+  */
+
+//  PImage loadImage(const char * fileName) { return PImage::loadImage(fileName); }
+  
+//  void image(PImage & img, uint16_t x, uint16_t y);
+  
+ protected:
+  int16_t  WIDTH, HEIGHT;   // this is the 'raw' display w/h - never changes
+  int16_t  _width, _height; // dependent on rotation
+  int16_t  cursor_x, cursor_y;
+  uint16_t textcolor, textbgcolor;
+  uint8_t  textsize;
+  uint8_t  rotation;
+  boolean  wrap; // If set, 'wrap' text at right edge of display
+  
+  /*
+   * Processing-style graphics state
+   */
+  
+  color strokeColor;
+  bool useStroke;
+  color fillColor;
+  bool useFill;
+};
+
+
+
+
+#endif