double Block::GetDistanceTo(Block& block)
{
double rDistance = 0.0;
double gDistance = 0.0;
double bDistance = 0.0;
for (int i = 0; i < Block::P; ++i)
{
for (int j = 0; j < Block::Q; ++j)
{
rDistance += std::abs((double)(this->block[i][j].GetR() - block.GetBlockPixel(i,j).GetR()));
gDistance += std::abs((double)(this->block[i][j].GetG() - block.GetBlockPixel(i,j).GetG()));
bDistance += std::abs((double)(this->block[i][j].GetB() - block.GetBlockPixel(i,j).GetB()));
}
}
/*cout << "rDist = " << rDistance << " / P=" << Block::P << " / Q=" << Block::Q << endl;
cout << "gDist = " << gDistance << " / P=" << Block::P << " / Q=" << Block::Q << endl;
cout << "bDist = " << bDistance << " / P=" << Block::P << " / Q=" << Block::Q << endl;*/
rDistance /= (Block::P * Block::Q);
gDistance /= (Block::P * Block::Q);
bDistance /= (Block::P * Block::Q);
//cout << "Distance is: " << (rDistance + gDistance + bDistance) / 3 << endl;
return (rDistance + gDistance + bDistance) / 3;
}
void Huffman::GenerateIndexFromCodes(GHT& ght, Image& image)
{
Node *root = new Node();
for (int i = 0; i < this->codes.size(); ++i)
{
this->CreateHuffmanTreeFromCodes(root, i, 0);
}
int sIterator = 0;
int codeIterator = 0;
while (codeIterator < this->compressedCode.size())
{
this->GetHuffmanIndex(root, codeIterator, sIterator, ght);
++sIterator;
}
int sIndex = 0;
for (int imageX = 0; imageX < image.GetImageSizeI(); imageX += Block::P)
{
for (int imageY = 0; imageY < image.GetImageSizeJ(); imageY += Block::Q)
{
int blockIndex = ght.GetS(sIndex++);
Block block = ght.GetBlockFromC(blockIndex);
for (int u = 0; u < Block::P; ++u)
{
for (int v = 0; v < Block::Q; ++v)
{
Pixel pixel = block.GetBlockPixel(u,v);
image.SetImagePixel(imageX + u, imageY + v, pixel);
}
}
}
}
delete root;
}
