#ifndef FONT_H
#define FONT_H

#include "stm32f1xx.h"

typedef struct {
  uint16_t bitmapOffset;// Pointer into `bitmaps` array
  uint8_t width;// Bitmap width in pixels
  uint8_t height;// Bitmap height in pixels
  uint8_t advance;// Cursor advance after this glyph
  int8_t xOffset;// X offset from cursor position
  int8_t yOffset;// Y offset from baseline
} GFXglyph;

typedef struct {
  const uint8_t *bitmaps;// Glyph bitmaps (combined into one array)
  const GFXglyph *glyphs;// Glyph metadata
  uint16_t firstChar;// First character in the font (e.g., 0x20 for space)
  uint16_t lastChar;// Last character in the font (e.g., 0x7E for ~)
  uint8_t yAdvance;// Vertical distance to advance for newline
} GFXfont;

void GFX_DrawChar(
    uint16_t x,
    uint16_t y,
    char c,
    const GFXfont *font,
    uint16_t fg_color,
    uint16_t bg_color);

uint16_t GFX_GetTextWidth(const char *text, const GFXfont *font);

// Alignment: 0 => Left, 1 => Center, 2 => Right
void GFX_DrawText(
    uint16_t x,
    uint16_t y,
    const char *text,
    const GFXfont *font,
    uint16_t fg_color,
    uint16_t bg_color,
    uint8_t alignment);

#endif