File content as of revision 0:b0151666c710:

#ifndef _ADAFRUIT_GFX_H
#define _ADAFRUIT_GFX_H

#include <stdlib.h>

#include "gfxfont.h"

class Adafruit_GFX {

 public:

  Adafruit_GFX(int16_t w, int16_t h); // Constructor

  // This MUST be defined by the subclass:
  virtual void drawPixel(int16_t x, int16_t y, uint16_t color) = 0;

  // These MAY be overridden by the subclass to provide device-specific
  // optimized code.  Otherwise 'generic' versions are used.
  virtual void
    drawLine(int16_t x0, int16_t y0, int16_t x1, int16_t y1, uint16_t color),
    drawFastVLine(int16_t x, int16_t y, int16_t h, uint16_t color),
    drawFastHLine(int16_t x, int16_t y, int16_t w, uint16_t color),
    drawRect(int16_t x, int16_t y, int16_t w, int16_t h, uint16_t color),
    fillRect(int16_t x, int16_t y, int16_t w, int16_t h, uint16_t color),
    fillScreen(uint16_t color),
    invertDisplay(bool i);

  // These exist only with Adafruit_GFX (no subclass overrides)
  void
    drawCircle(int16_t x0, int16_t y0, int16_t r, uint16_t color),
    drawCircleHelper(int16_t x0, int16_t y0, int16_t r, uint8_t cornername,
      uint16_t color),
    fillCircle(int16_t x0, int16_t y0, int16_t r, uint16_t color),
    fillCircleHelper(int16_t x0, int16_t y0, int16_t r, uint8_t cornername,
      int16_t delta, uint16_t color),
    drawTriangle(int16_t x0, int16_t y0, int16_t x1, int16_t y1,
      int16_t x2, int16_t y2, uint16_t color),
    fillTriangle(int16_t x0, int16_t y0, int16_t x1, int16_t y1,
      int16_t x2, int16_t y2, uint16_t color),
    drawRoundRect(int16_t x0, int16_t y0, int16_t w, int16_t h,
      int16_t radius, uint16_t color),
    fillRoundRect(int16_t x0, int16_t y0, int16_t w, int16_t h,
      int16_t radius, uint16_t color),

    drawBitmap(int16_t x, int16_t y, const uint8_t *bitmap, int16_t w, int16_t h, uint16_t color),
    drawBitmap(int16_t x, int16_t y, const uint8_t *bitmap, int16_t w, int16_t h, uint16_t color, uint16_t bg),

    drawXBitmap(int16_t x, int16_t y, const uint8_t *bitmap,
      int16_t w, int16_t h, uint16_t color),
    drawChar(int16_t x, int16_t y, unsigned char c, uint16_t color,
      uint16_t bg, uint8_t size),
    setCursor(int16_t x, int16_t y),
    setTextColor(uint16_t c),
    setTextColor(uint16_t c, uint16_t bg),
    setTextSize(uint8_t s),
    setTextWrap(bool w),
    setRotation(uint8_t r),
    cp437(bool x=true),
    setFont(const GFXfont *f = NULL),
    getTextBounds(char *string, int16_t x, int16_t y,
      int16_t *x1, int16_t *y1, uint16_t *w, uint16_t *h),
    getTextBounds(const char *s, int16_t x, int16_t y,
      int16_t *x1, int16_t *y1, uint16_t *w, uint16_t *h),
	print(const char* str),
    println(const char* str);

  virtual size_t write(uint8_t);

  int16_t height(void) const;
  int16_t width(void) const;

  uint8_t getRotation(void) const;

  // get current cursor position (get rotation safe maximum values, using: width() for x, height() for y)
  int16_t getCursorX(void) const;
  int16_t getCursorY(void) const;

 protected:
  const int16_t
    WIDTH, HEIGHT;   // This is the 'raw' display w/h - never changes
  int16_t
    _width, _height, // Display w/h as modified by current rotation
    cursor_x, cursor_y;
  uint16_t
    textcolor, textbgcolor;
  uint8_t
    textsize,
    rotation;
  bool
    wrap,   // If set, 'wrap' text at right edge of display
    _cp437; // If set, use correct CP437 charset (default is off)
  GFXfont
    *gfxFont;
};

#endif // _ADAFRUIT_GFX_H