void CompressedPixmap::applyIFS(Pixmap& pixmap, float ratio) { std::vector<Pixmap*> domainRegions; for (unsigned int i = 0; i < m_domainRegions.size(); ++i) domainRegions.push_back(pixmap.extract((int)(m_domainRegions[i].x * ratio), (int)(m_domainRegions[i].y * ratio), (int)(m_domainRegions[i].size * ratio))); //We store each transformation std::map<unsigned short, std::map<unsigned char, Pixmap*>> transformations; for (const RangeRegionDescriptor& rangeRegion : m_rangeRegions) { int newSize = (int)(rangeRegion.size * ratio); int newX = (int)(rangeRegion.x * ratio); int newY = (int)(rangeRegion.y * ratio); Pixmap* domainInUse; //If this domainRegion has not been used already if (!transformations.count(rangeRegion.domainRegionIndex)) { domainInUse = domainRegions[rangeRegion.domainRegionIndex]->downscale(newSize); transformations[rangeRegion.domainRegionIndex][0] = domainInUse; } else domainInUse = transformations[rangeRegion.domainRegionIndex][0]; //If it is a true transformation if (rangeRegion.transformation != NO_ROTATION) { //If it hasn't already been done if (!transformations[rangeRegion.domainRegionIndex].count(rangeRegion.transformation)) { domainInUse = domainInUse->applyTransformation(rangeRegion.transformation); transformations[rangeRegion.domainRegionIndex][rangeRegion.transformation] = domainInUse; } else domainInUse = transformations[rangeRegion.domainRegionIndex][rangeRegion.transformation]; } //Then copy to range region for (int x = 0; x < newSize; ++x) { for (int y = 0; y < newSize; ++y) { pixmap.set(newX + x, newY + y, domainInUse->get(x, y)); } } //Set first pixel value if (rangeRegion.x % 4 == 0 && rangeRegion.y % 4 == 0) pixmap.set(newX, newY, rangeRegion.firstPixelValue); } std::cout << transformations.size() * 100 / domainRegions.size() << std::endl; for (const Pixmap* domainRegion : domainRegions) delete domainRegion; for (const std::pair<unsigned short, std::map<unsigned char, Pixmap*>>& transformedDomain : transformations) { for (const std::pair<unsigned char, Pixmap*>& transformationResult : transformedDomain.second) delete transformationResult.second; } }