gfx.h

#pragma once
#include "utils.h"
#include <string.h>

typedef struct {
  uint8_t width;
  uint8_t height;
  bool word_wrap;
  uint8_t *buffer;
} gfx_context;

typedef struct {
  uint16_t x;
  uint16_t y;
} gfx_point;

enum gfx_color {
  COLOR_BG = 0,
  COLOR_WHITE = 1,
};

error_t gfx_init(gfx_context *ctx, uint8_t *buffer, uint16_t width,
                 uint16_t height);

error_t gfx_min_max_point(const gfx_point *p1, const gfx_point *p2,
                          gfx_point *out_p1, gfx_point *out_p2);

error_t gfx_demo_checker(gfx_context *ctx);

error_t gfx_clear(gfx_context *ctx);

error_t gfx_draw_char(gfx_context *ctx, enum gfx_color color, uint16_t x,
                      uint16_t y, char c);

error_t gfx_draw_text(gfx_context *ctx, enum gfx_color color, uint16_t x,
                      uint16_t y, const char *string);

error_t gfx_draw_pixel(gfx_context *ctx, uint16_t x, uint16_t y);

error_t gfx_clear_pixel(gfx_context *ctx, uint16_t x, uint16_t y);

error_t gfx_draw_gfx_pixel(gfx_context *ctx, enum gfx_color color,
                           const gfx_point *pt);

error_t gfx_draw_line(gfx_context *ctx, enum gfx_color color,
                      const gfx_point *p1, const gfx_point *p2);

error_t gfx_draw_rectangle(gfx_context *ctx, enum gfx_color color,
                           const gfx_point *p1, const gfx_point *p2);

error_t gfx_draw_circle(gfx_context *ctx, enum gfx_color color,
                        const gfx_point *center, uint16_t radius);

error_t gfx_fill_rectangle(gfx_context *ctx, enum gfx_color color,
                           const gfx_point *p1, const gfx_point *p2);