stb_image-Nim blog post code snippets

stb_image_example.c

#include "stb_image.h"

// Get the image data
int width, height, channels;
unsigned char *data = stbi_load("kevin_bacon.jpeg", &width, &height, &channels, STBI_default);

// Do what you want...

// Cleanup
stbi_image_free(data);

stb_image_example.nim

import stb_image as stbi

var
  width, height, channels: int
  data: seq[uint8]

data = stbi.load("kevin_bacon.png", width, height, channels, stbi.Default)
# No need to do any GC yourself, as Nim takes care of that for you!

stb_image_write_example.nim

import stb_image as stbiw

# Stuff some pixels
var data: seq[uint8] = @[]
data.add(0x00)
data.add(0x80)
data.add(0xFF)

# save it (as monochrome)
stbiw.writeBMP("three.bmp", 3, 1, stbiw.Y, data)