/**
 * TODO file description
 * 
 * Created on 2020/01/05.
 */

#ifndef LCD_DRAWING_H
#define LCD_DRAWING_H

#include <stdint.h>
#include <stdbool.h>

#include "utf8.h"
#include "bitmaps.h"

enum Color {
    WHITE = 0,
    BLACK = 1,
};

// This function sets a pixel on displayMap to your preferred
// color. 1=Black, 0= white.
void LCD_setPixel(int x, int y, enum Color bw);

// setLine draws a line from x0,y0 to x1,y1 with the set color
void LCD_setLine(int x0, int y0, int x1, int y1, enum Color bw);

// setRect will draw a rectangle from x0,y0 top-left corner to
// a x1,y1 bottom-right corner. Can be filled with the fill
// parameter, and colored with bw.
void LCD_setRect(int x0, int y0, int x1, int y1, bool fill, enum Color bw);

// setCircle draws a circle centered around x0,y0 with a defined
// radius. The circle can be black or white. And have a line
// thickness ranging from 1 to the radius of the circle.
void LCD_setCircle (int x0, int y0, int radius, enum Color bw, int lineThickness);

void LCD_setBitmapFullScreen(const uint8_t *bitArray);

/*
 FONT FUNCTIONS
 size = 1 ... normal
 size = 2 ... 2x
 size = 3 ... normal bold
 size | 0x80 ... clear background behind characters
*/

enum TextSize {
    FONT_NORMAL = 0,
    FONT_DOUBLE = 1,
    FONT_BOLD = 2,
};

enum TextAlign {
    ALIGN_LEFT = 0,
    ALIGN_CENTER = 1,
    ALIGN_RIGHT = 2,
};

struct TextStyle {
    bool bg;              //!< Fill the characters background with the opposite color
    enum TextSize size;   //!< Character size
    enum TextAlign align; //!< Alignment (works only for single line)
    size_t limit;            //!< Number of characters to print from the string, if > 0
    size_t skip;             //!< Characters to skip before printing
    int spacing_x;        //!< Additional X spacing
    int spacing_y;        //!< Additional Y spacing
    bool nowrap;          //!< Stop painting when the right edge of the screen is reached
    bool wrap_to_0;       //!< wrap to 0 instead of the initial X coordinate
};

// setStr draws a string of characters, calling setChar with
// progressive coordinates until it's done.
// This function was grabbed from the SparkFun ColorLCDShield
// library.
void LCD_setStr(const char * dString, int x, int y, enum Color bw);

void LCD_setStrEx(const char *dString, int x, int y, enum Color color, struct TextStyle style);

// This function clears the entire display either white (0) or
// black (1).
// The screen won't actually clear until you call updateDisplay()!
void LCD_clearDisplay(enum Color bw);

/* Invert colors (hard change in data; does NOT send to display immediately) */
void LCD_invertDisplayData();

void LCD_setBitmap(const struct BitmapImage *image, int x, int y, bool bg, enum Color color);

/** draw dotted shadow over current content */
void LCD_setShadeOverlay();

#endif //LCD_DRAWING_H