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< > BotCompany Repo | #1035868 // sumOfBinaryImages

JavaX fragment (include) [tags: use-pretranspiled]

Libraryless. Click here for Pure Java version (10980L/63K).

// images must have same size
static int[] sumOfBinaryImages(L<? extends IBinaryImage> images) {
  int n = l(images);
  if (n == 0) null;
  var it = iterator(images);
  var img = it.next();
  int w = img.getWidth(), h = img.getHeight();
  int[] pixels = new[w*h];
  int nBytes = (w*h+7)/8;
  var pingSource = pingSource();
  
  while (true) {
    ping(pingSource);
    Image2B realizedImage = img.toImage2B();
    byte[] imgPixels = realizedImage.pixels;
    int j = 0;
    for i to nBytes: {
      int b = imgPixels[i];
      for bit to 8: {
        pixels[j++] += b & 1;
        b >>= 1;
      }
    }
    
    if (!it.hasNext()) break;
    img = it.next();
  }
  
  ret pixels;
}

Author comment

Began life as a copy of #1035846

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Travelled to 3 computer(s): elmgxqgtpvxh, mqqgnosmbjvj, wnsclhtenguj

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Snippet ID: #1035868
Snippet name: sumOfBinaryImages
Eternal ID of this version: #1035868/3
Text MD5: 3e57dc6d90434e17f64969f501b98fa2
Transpilation MD5: 39e98947d2dfb1d739b74d5aea0f36ed
Author: stefan
Category: javax
Type: JavaX fragment (include)
Public (visible to everyone): Yes
Archived (hidden from active list): No
Created/modified: 2022-08-05 15:40:55
Source code size: 711 bytes / 30 lines
Pitched / IR pitched: No / No
Views / Downloads: 115 / 166
Version history: 2 change(s)
Referenced in: [show references]