64 testable uint8_t finiteFieldMultiply(uint8_t x, uint8_t y);
78 testable bool getModule(const uint8_t qrcode[], int x, int y);
79 testable void setModule(uint8_t qrcode[], int x, int y, bool isBlack);
80 testable void setModuleBounded(uint8_t qrcode[], int x, int y, bool isBlack);
81 static bool getBit(int x, int i);
397 testable uint8_t finiteFieldMultiply(uint8_t x, uint8_t y) {  in finiteFieldMultiply()  argument
402 		z ^= ((y >> i) & 1) * x;  in finiteFieldMultiply()
581 				int x = right - j;  // Actual x coordinate  in drawCodewords()  local
584 				if (!getModule(qrcode, x, y) && i < dataLen * 8) {  in drawCodewords()
586 					setModule(qrcode, x, y, black);  in drawCodewords()
607 		for (int x = 0; x < qrsize; x++) {  in applyMask()  local
608 			if (getModule(functionModules, x, y))  in applyMask()
612 				case 0:  invert = (x + y) % 2 == 0;                    break;  in applyMask()
614 				case 2:  invert = x % 3 == 0;                          break;  in applyMask()
615 				case 3:  invert = (x + y) % 3 == 0;                    break;  in applyMask()
616 				case 4:  invert = (x / 3 + y / 2) % 2 == 0;            break;  in applyMask()
617 				case 5:  invert = x * y % 2 + x * y % 3 == 0;          break;  in applyMask()
618 				case 6:  invert = (x * y % 2 + x * y % 3) % 2 == 0;    break;  in applyMask()
619 				case 7:  invert = ((x + y) % 2 + x * y % 3) % 2 == 0;  break;  in applyMask()
622 			bool val = getModule(qrcode, x, y);  in applyMask()
623 			setModule(qrcode, x, y, val ^ invert);  in applyMask()
640 		for (int x = 0; x < qrsize; x++) {  in getPenaltyScore()  local
641 			if (getModule(qrcode, x, y) == color) {  in getPenaltyScore()
651 				color = getModule(qrcode, x, y);  in getPenaltyScore()
662 	for (int x = 0; x < qrsize; x++) {  in getPenaltyScore()  local
667 			if (getModule(qrcode, x, y) == color) {  in getPenaltyScore()
677 				color = getModule(qrcode, x, y);  in getPenaltyScore()
690 		for (int x = 0; x < qrsize - 1; x++) {  in getPenaltyScore()  local
691 			bool  color = getModule(qrcode, x, y);  in getPenaltyScore()
692 			if (  color == getModule(qrcode, x + 1, y) &&  in getPenaltyScore()
693 			      color == getModule(qrcode, x, y + 1) &&  in getPenaltyScore()
694 			      color == getModule(qrcode, x + 1, y + 1))  in getPenaltyScore()
702 		for (int x = 0; x < qrsize; x++) {  in getPenaltyScore()  local
703 			if (getModule(qrcode, x, y))  in getPenaltyScore()
749 bool qrcodegen_getModule(const uint8_t qrcode[], int x, int y) {  in qrcodegen_getModule()  argument
752 	return (0 <= x && x < qrsize && 0 <= y && y < qrsize) && getModule(qrcode, x, y);  in qrcodegen_getModule()
757 testable bool getModule(const uint8_t qrcode[], int x, int y) {  in getModule()  argument
759 	assert(21 <= qrsize && qrsize <= 177 && 0 <= x && x < qrsize && 0 <= y && y < qrsize);  in getModule()
760 	int index = y * qrsize + x;  in getModule()
766 testable void setModule(uint8_t qrcode[], int x, int y, bool isBlack) {  in setModule()  argument
768 	assert(21 <= qrsize && qrsize <= 177 && 0 <= x && x < qrsize && 0 <= y && y < qrsize);  in setModule()
769 	int index = y * qrsize + x;  in setModule()
780 testable void setModuleBounded(uint8_t qrcode[], int x, int y, bool isBlack) {  in setModuleBounded()  argument
782 	if (0 <= x && x < qrsize && 0 <= y && y < qrsize)  in setModuleBounded()
783 		setModule(qrcode, x, y, isBlack);  in setModuleBounded()
788 static bool getBit(int x, int i) {  in getBit()  argument
789 	return ((x >> i) & 1) != 0;  in getBit()