55 lines
1.2 KiB
C
55 lines
1.2 KiB
C
#ifndef FONT_H
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#define FONT_H
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#include "stm32f1xx.h"
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/**
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* Char mapping:
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* : => :
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* ; => ,
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* < => /
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* = => %
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* > => °
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*
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*/
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typedef struct {
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uint16_t bitmapOffset;// Pointer into `bitmaps` array
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uint8_t width;// Bitmap width in pixels
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uint8_t height;// Bitmap height in pixels
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uint8_t advance;// Cursor advance after this glyph
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int8_t xOffset;// X offset from cursor position
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int8_t yOffset;// Y offset from baseline
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} GFXglyph;
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typedef struct {
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const uint8_t *bitmaps;// Glyph bitmaps (combined into one array)
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const GFXglyph *glyphs;// Glyph metadata
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uint16_t firstChar;// First character in the font (e.g., 0x20 for space)
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uint16_t lastChar;// Last character in the font (e.g., 0x7E for ~)
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uint8_t yAdvance;// Vertical distance to advance for newline
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} GFXfont;
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void GFX_DrawChar(
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uint16_t x,
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uint16_t y,
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char c,
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const GFXfont *font,
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uint16_t fg_color,
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uint16_t bg_color);
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uint16_t GFX_GetTextWidth(const char *text, const GFXfont *font, int8_t letter_spacing);
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// Alignment: 0 => Left, 1 => Center, 2 => Right
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void GFX_DrawText(
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uint16_t x,
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uint16_t y,
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const char *text,
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const GFXfont *font,
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uint16_t fg_color,
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uint16_t bg_color,
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uint8_t alignment,
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int8_t letter_spacing);
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#endif
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