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Add extra online XBM format converter (#3411)

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黄文鉴 2021-04-02 03:48:42 +08:00 committed by GitHub
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@ -155,7 +155,10 @@ Add the desired fonts to the font selection sub-entry via `make menuconfig`.
### Bitmaps
XBM bitmaps are supplied as strings to `drawXBM()` in contrast to the source code based inclusion of XBMs in upstream u8g2 library. This off-loads all data handling from the u8g2 module to generic methods for binary files. See [graphics_test.lua](../../lua_examples/u8g2/graphics_test.lua).
Conversion of XBM bitmaps can be performed online with [Online-Utility's Image Converter](http://www.online-utility.org/image_converter.jsp): Convert from XBM to MONO format and upload the binary result.
Conversion of XBM bitmaps can be performed online with
- [Online-Utility's Image Converter](http://www.online-utility.org/image_converter.jsp): Convert from XBM to MONO format and upload the binary result.
- [XBM 格式生成器](https://tech.biko.pub/#/tool/xbm): Free online tool. Convert any image to XBM format (as Lua module or C headers).
## I²C Display Drivers
Initialize a display via I²C.