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BdfFontDemo/README.md
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@ -5,7 +5,7 @@
![BdfFontDemo-3](https://github.com/user-attachments/assets/4dbb6f39-ae0f-4ca2-9e55-ba32476b018e)
u8g2 is a great Library for monochrome displays.
This library contains a large number of BDF format fonts.
This library contains a lot of BDF format fonts.
This project is a demo that displays BDF format fonts.
# How to use BDF Font
@ -17,49 +17,50 @@ This project is a demo that displays BDF format fonts.
- Convert BDF font files to header files.
I used [this](https://github.com/pixelmatix/bdf2c) repository.
```
cc -o bdf2c bdf2c.c
./bdf2c -n ncenR12 -b < $HOME/u8g2-hal-esp-idf/examples/i2c/components/u8g2/tools/font/bdf/ncenR12.bdf > main/ncenR12.h
./bdf2c -n timR12 -b < $HOME/u8g2-hal-esp-idf/examples/i2c/components/u8g2/tools/font/bdf/timR12.bdf > main/timR12.h
./bdf2c -n battery -b < $HOME/u8g2-hal-esp-idf/examples/i2c/components/u8g2/tools/font/battery/battery19.bdf > main/battery.h
./bdf2c -n emoticons -b < $HOME/u8g2-hal-esp-idf/examples/i2c/components/u8g2/tools/font/emoticons/emoticons21.bdf > main/emoticons.h
./bdf2c -n Scroll_o_Sprites -b < $HOME/u8g2-hal-esp-idf/examples/i2c/components/u8g2/tools/font/pbm/Scroll-o-Sprites.bdf > main/Scroll-o-Sprites.h
```
```
cc -o bdf2c bdf2c.c
./bdf2c -n ncenR12 -b < $HOME/u8g2-hal-esp-idf/examples/i2c/components/u8g2/tools/font/bdf/ncenR12.bdf > main/ncenR12.h
./bdf2c -n timR12 -b < $HOME/u8g2-hal-esp-idf/examples/i2c/components/u8g2/tools/font/bdf/timR12.bdf > main/timR12.h
./bdf2c -n battery -b < $HOME/u8g2-hal-esp-idf/examples/i2c/components/u8g2/tools/font/battery/battery19.bdf > main/battery.h
./bdf2c -n emoticons -b < $HOME/u8g2-hal-esp-idf/examples/i2c/components/u8g2/tools/font/emoticons/emoticons21.bdf > main/emoticons.h
./bdf2c -n Scroll_o_Sprites -b < $HOME/u8g2-hal-esp-idf/examples/i2c/components/u8g2/tools/font/pbm/Scroll-o-Sprites.bdf > main/Scroll-o-Sprites.h
```
- BDF font files can be viewed with the following command.
```
./bdf2c -B < $HOME/u8g2-hal-esp-idf/examples/i2c/components/u8g2/tools/font/bdf/ncenR12.bdf | more
./bdf2c -B < $HOME/u8g2-hal-esp-idf/examples/i2c/components/u8g2/tools/font/bdf/timR12.bdf | more
./bdf2c -B < $HOME/u8g2-hal-esp-idf/examples/i2c/components/u8g2/tools/font/battery/battery19.bdf | more
./bdf2c -B < $HOME/u8g2-hal-esp-idf/examples/i2c/components/u8g2/tools/font/emoticons/emoticons21.bdf | more
./bdf2c -B < $HOME/u8g2-hal-esp-idf/examples/i2c/components/u8g2/tools/font/pbm/Scroll-o-Sprites.bdf | more
```
./bdf2c -B < $HOME/u8g2-hal-esp-idf/examples/i2c/components/u8g2/tools/font/bdf/ncenR12.bdf | more
./bdf2c -B < $HOME/u8g2-hal-esp-idf/examples/i2c/components/u8g2/tools/font/bdf/timR12.bdf | more
./bdf2c -B < $HOME/u8g2-hal-esp-idf/examples/i2c/components/u8g2/tools/font/battery/battery19.bdf | more
./bdf2c -B < $HOME/u8g2-hal-esp-idf/examples/i2c/components/u8g2/tools/font/emoticons/emoticons21.bdf | more
./bdf2c -B < $HOME/u8g2-hal-esp-idf/examples/i2c/components/u8g2/tools/font/pbm/Scroll-o-Sprites.bdf | more
```
- Add header files.
```
#include "ssd1306.h"
#include "ncenR12.h"
#include "timR12.h"
#include "battery.h"
#include "emoticons.h"
#include "Scroll-o-Sprites.h"
```
```
#include "ssd1306.h"
#include "ncenR12.h"
#include "timR12.h"
#include "battery.h"
#include "emoticons.h"
#include "Scroll-o-Sprites.h"
```
- Show BDF Font
```
ssd1306_clear_screen(&dev, false);
ssd1306_contrast(&dev, 0xff);
show_bdf_font_text(&dev, __ncenR12_bitmap__, "Hello World", 0, 0); // You can change font file
show_bdf_font_code(&dev, __battery_bitmap__, 48, 100, 0);
show_bdf_font_code(&dev, __battery_bitmap__, 49, 110, 0);
show_bdf_font_code(&dev, __battery_bitmap__, 50, 120, 0);
```
```
ssd1306_clear_screen(&dev, false);
ssd1306_contrast(&dev, 0xff);
show_bdf_font_text(&dev, __ncenR12_bitmap__, "Hello World", 0, 0); // You can change font file
show_bdf_font_code(&dev, __battery_bitmap__, 48, 100, 0);
show_bdf_font_code(&dev, __battery_bitmap__, 49, 110, 0);
show_bdf_font_code(&dev, __battery_bitmap__, 50, 120, 0);
```