Method drawFunctionPatterns

Libraries/QRCode/tests/QrCode.cpp:194–221

void qrcodegen::QrCode::drawFunctionPatterns() {
	// Draw the horizontal and vertical timing patterns
	for (int i = 0; i < size; i++) {
		setFunctionModule(6, i, i % 2 == 0);
		setFunctionModule(i, 6, i % 2 == 0);
	}
	
	// Draw 3 finder patterns (all corners except bottom right; overwrites some timing modules)
	drawFinderPattern(3, 3);
	drawFinderPattern(size - 4, 3);
	drawFinderPattern(3, size - 4);
	
	// Draw the numerous alignment patterns
	const std::vector<int> alignPatPos(getAlignmentPatternPositions(version));
	int numAlign = alignPatPos.size();
	for (int i = 0; i < numAlign; i++) {
		for (int j = 0; j < numAlign; j++) {
			if ((i == 0 && j == 0) || (i == 0 && j == numAlign - 1) || (i == numAlign - 1 && j == 0))
				continue;  // Skip the three finder corners
			else
				drawAlignmentPattern(alignPatPos.at(i), alignPatPos.at(j));
		}
	}
	
	// Draw configuration data
	drawFormatBits(0);  // Dummy mask value; overwritten later in the constructor
	drawVersion();
}


void qrcodegen::QrCode::drawFormatBits(int mask) {