Simplified QrCode.toSvgString() loop ranges in all language versions except C.

cpp/QrCode.cpp

@@ -169,8 +169,8 @@ std::string QrCode::toSvgString(int border) const {
 	sb << "\t<rect width=\"100%\" height=\"100%\" fill=\"#FFFFFF\"/>\n";
 	sb << "\t<path d=\"";
 	bool head = true;
-	for (int y = -border; y < size + border; y++) {
-		for (int x = -border; x < size + border; x++) {
+	for (int y = 0; y < size; y++) {
+		for (int x = 0; x < size; x++) {
 			if (getModule(x, y)) {
 				if (head)
 					head = false;

java/io/nayuki/qrcodegen/QrCode.java

@@ -292,8 +292,8 @@ public final class QrCode {
 		sb.append("\t<rect width=\"100%\" height=\"100%\" fill=\"#FFFFFF\"/>\n");
 		sb.append("\t<path d=\"");
 		boolean head = true;
-		for (int y = -border; y < size + border; y++) {
-			for (int x = -border; x < size + border; x++) {
+		for (int y = 0; y < size; y++) {
+			for (int x = 0; x < size; x++) {
 				if (getModule(x, y)) {
 					if (head)
 						head = false;

javascript/qrcodegen.js

@@ -170,8 +170,8 @@ var qrcodegen = new function() {
 			if (border < 0)
 				throw "Border must be non-negative";
 			var parts = [];
-			for (var y = -border; y < size + border; y++) {
-				for (var x = -border; x < size + border; x++) {
+			for (var y = 0; y < size; y++) {
+				for (var x = 0; x < size; x++) {
 					if (this.getModule(x, y))
 						parts.push("M" + (x + border) + "," + (y + border) + "h1v1h-1z");
 				}

python/qrcodegen.py

@@ -225,8 +225,8 @@ class QrCode(object):
 		if border < 0:
 			raise ValueError("Border must be non-negative")
 		parts = []
-		for y in range(-border, self._size + border):
-			for x in range(-border, self._size + border):
+		for y in range(self._size):
+			for x in range(self._size):
 				if self.get_module(x, y):
 					parts.append("M{},{}h1v1h-1z".format(x + border, y + border))
 		return """<?xml version="1.0" encoding="UTF-8"?>

rust/src/lib.rs

@@ -249,8 +249,8 @@ impl QrCode {
 		result += "\t<rect width=\"100%\" height=\"100%\" fill=\"#FFFFFF\"/>\n";
 		result += "\t<path d=\"";
 		let mut head = true;
-		for y in -border .. self.size + border {
-			for x in -border .. self.size + border {
+		for y in 0 .. self.size {
+			for x in 0 .. self.size {
 				if self.get_module(x, y) {
 					if head {
 						head = false;

typescript/qrcodegen.ts

@@ -233,8 +233,8 @@ namespace qrcodegen {
 			if (border < 0)
 				throw "Border must be non-negative";
 			let parts: Array<string> = [];
-			for (let y = -border; y < this.size + border; y++) {
-				for (let x = -border; x < this.size + border; x++) {
+			for (let y = 0; y < this.size; y++) {
+				for (let x = 0; x < this.size; x++) {
 					if (this.getModule(x, y))
 						parts.push(`M${x + border},${y + border}h1v1h-1z`);
 				}