Mika Tuupola

If you don't mind testing with another graphics library you could rule out possibility of broken display with [one of my apps](https://github.com/tuupola/esp_effects). Is just tested and it runs fine on...

Sounds like an off by one bug somewhere. Will check.

I first convert BDF fonts to FONTX and then use `xxd` to create the header files. I quickly hacked the conversion tools from code I found online and some blogposts....

Also I have not tried it myself but @allenck has a FONTX editor for Windows. https://github.com/allenck/FontXEdit

Thanks! I will try this myself too.

Do you mean that all primitive drawing functions should require a context where to draw? For example instead of: ```c hagl_put_pixel(x0, y0, color); ``` one should provide the `bitmap_t` to...

The more I think of it including a pointer to surface or context in the function calls would solve many problems. I remember I originally decided against it because I...

Yeah it is a known issue atm and also related to https://github.com/tuupola/hagl/issues/39. I have not decided yet which way go. One option would be what you described: ```c hagl_set_color(rand() %...

The reason has been mostly my skills. This started as my project to learn the C language. That said I just tagged current version as `0.5.0` so I can break...

Yeah this is an interesting board. I do not have it myself though. If anyone is planning to implement this the only mandatory thing to implement is the `hagl_hal_put_pixel()` function....