POV help please

Driftrotor · September 27, 2021, 10:13pm

Hi all,

so I was reading through some of the capabilities that the OS has and I’d like to have a go at POV.
according to the documentation the programs provided (to convert the image) only run on MAC or LINUX.
is there a program that you could use for windows to achieve this?

also, once I’ve converted my picture how do I enter this into the blade style on my config?

I’ve done some hunting around and only found some basic information on this so am a bit stumped on how to implement this capability.

any help would be greatly appreciated.

profezzorn · September 27, 2021, 10:20pm

It’s a POSIX program. Probably the easiest way to run it on windows is to use cygwin32 to compile and run it.

Once you run it, you get a bunch of data which you can use to replace the POV data.
I would put it in a .h file in styles/ and then change the include here:

github.com

profezzorn/ProffieOS/blob/573e1d28c86c50125dd3f68377ab84996903463d/styles/pov.h#L16




// Usage: &style_pov
// return value: suitable for preset array


// This style draws "Star Wars" in the air if you swing the saber
// carefully back and forth. Unfortunately you can't really see
// the result without a slow exposure camera. It's possible that
// dotstar APA102 pixels would be fast enough to do the effect
// full justice, but I haven't tried that.


#include "star_wars_logo_pov_data.h"


void rle_decode(const unsigned char *input,
                 unsigned char *output,
                 int output_length) {
  int olen = 0;
  while (olen < output_length) {
    if (*input == 255) {
      int i;
      int offset = input[1]+1;
      int len = input[2];

Driftrotor · September 27, 2021, 10:28pm

thank you, i will have a play and see how it goes.