#ifndef __DISPLAY_H__
#define __DISPLAY_H__

typedef enum {
	portrait, landscape, reverse_portrait, reverse_landscape
} orientation_t;

typedef unsigned colour_t;

const colour_t BLACK = 0x0000;
const colour_t NAVY = 0x000F;
const colour_t DARKGREEN = 0x03E0;
const colour_t DARKCYAN = 0x03EF;
const colour_t MAROON = 0x7800;
const colour_t PURPLE = 0x780F;
const colour_t OLIVE = 0x7BE0;
const colour_t LIGHTGREY = 0xC618;
const colour_t DARKGREY = 0x7BEF;
const colour_t BLUE = 0x001F;
const colour_t GREEN = 0x07E0;
const colour_t CYAN = 0x07FF;
const colour_t RED = 0xF800;
const colour_t MAGENTA = 0xF81F;
const colour_t YELLOW = 0xFFE0;
const colour_t WHITE = 0xFFFF;
const colour_t ORANGE = 0xFDA0;
const colour_t GREENYELLOW = 0xB7E0;
const colour_t PINK = 0xFC9F;

class Display {
public:
	void begin(colour_t bg, colour_t fg, orientation_t o);
	void begin(colour_t bg, colour_t fg, orientation_t o, unsigned dispx, unsigned dispy);

	void clear();
	void status(const char *s);
	void statusf(const char *fmt, ...);

	void drawPixel(unsigned x, unsigned y, colour_t col);
	void drawPixel(unsigned x, unsigned y) { drawPixel(x, y, _fg); }

	void drawLine(unsigned x1, unsigned y1, unsigned x2, unsigned y2, colour_t col);
	void drawLine(unsigned x1, unsigned y1, unsigned x2, unsigned y2) { drawLine(x1, y1, x2, y2, _fg); }

	void drawCircle(unsigned x, unsigned y, unsigned r, colour_t col);
	void drawCircle(unsigned x, unsigned y, unsigned r) { drawCircle(x, y, r, _fg); }

	void fillCircle(unsigned x, unsigned y, unsigned r, colour_t col);
	void fillCircle(unsigned x, unsigned y, unsigned r) { fillCircle(x, y, r, _fg); }

	void drawRectangle(unsigned x, unsigned y, unsigned w, unsigned h, colour_t col);
	void drawRectangle(unsigned x, unsigned y, unsigned w, unsigned h) { drawRectangle(x, y, w, h, _fg); }

	void fillRectangle(unsigned x, unsigned y, unsigned w, unsigned h, colour_t col);
	void fillRectangle(unsigned x, unsigned y, unsigned w, unsigned h) { fillRectangle(x, y, w, h, _fg); }

	void drawString(const char *s, unsigned x, unsigned y, colour_t col);
	void drawString(const char *s, unsigned x, unsigned y) { drawString(s, x, y, _fg); }

protected:
	unsigned _bg, _fg, _cx, _cy, _dx, _dy, _oxs, _xoff, _yoff;
};

#endif