Function Deflate

czxing/src/main/cpp/zxing/src/BitMatrix.cpp:160–173

}

BitMatrix Deflate(const BitMatrix& input, int width, int height, float top, float left, float subSampling)
{
	BitMatrix result(width, height);

	for (int y = 0; y < result.height(); y++) {
		auto yOffset = top + y * subSampling;
		for (int x = 0; x < result.width(); x++) {
			if (input.get(PointF(left + x * subSampling, yOffset)))
				result.set(x, y);
		}
	}

	return result;
}

} // ZXing