closeOp method

void closeOp(Uint8List newByte, int width, Rect rect, int offset,)

Implementation

void closeOp(Uint8List newByte, int width, Rect rect, int offset) {
  for (int stepH = rect.top + offset;
      stepH + stepY < rect.bottom;
      stepH += stepY) {
    for (int stepW = rect.left + offset;
        stepW + stepX < rect.right;
        stepW += stepX) {
      int count = 0;
      int max = 0;
      for (int y_ = stepH; y_ < stepH + stepY; y_++) {
        for (int x_ = stepW; x_ < stepW + stepX; x_++) {
          if (newByte[y_ * width + x_] < 150) count++;
          if (newByte[y_ * width + x_] > max) {
            max = newByte[y_ * width + x_];
          }
        }
      }
      if (count > stepX * stepY / 2) {
        continue;
      }
      for (int y_ = stepH; y_ < stepH + stepY; y_++) {
        for (int x_ = stepW; x_ < stepW + stepX; x_++) {
          newByte[y_ * width + x_] = max;
        }
      }
    }
  }
}