C++ (Cpp) BitStream::setBitPositionの例

コード例 #1

ファイル: huffmanStringProcessor.cpp プロジェクト: AnsonX10/bitfighter

void HuffmanStringProcessor::generateCodes(BitStream& rBS, S32 index, S32 depth)
{
   if (index < 0) {
      // leaf node, copy the code in, and back out...
      HuffLeaf& rLeaf = mHuffLeaves[-(index + 1)];

      memcpy(&rLeaf.code, rBS.getBuffer(), sizeof(rLeaf.code));
      rLeaf.numBits = depth;
   } else {
      HuffNode& rNode = mHuffNodes[index];

      S32 pos = rBS.getBitPosition();

      rBS.writeFlag(false);
      generateCodes(rBS, rNode.index0, depth + 1);

      rBS.setBitPosition(pos);
      rBS.writeFlag(true);
      generateCodes(rBS, rNode.index1, depth + 1);

      rBS.setBitPosition(pos);
   }
}