msb-public
/
QR-Code-generator
mirror of https://github.com/nayuki/QR-Code-generator
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error correction

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pull/90/head^2
jaemin7666 5 years ago
parent 5124c44203
commit f879fec68d
2 changed files with 21 additions and 21 deletions
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40
java/src/main/java/io/nayuki/qrcodegen/QrCodeGeneratorDemo.java
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@ -53,15 +53,15 @@ public final class QrCodeGeneratorDemo {
// Creates a single QR Code, then writes it to a PNG file and an SVG file.
private static void doBasicDemo() throws IOException {
String text = "Hello, world!"; // User-supplied Unicode text
QrCode.Ecc errCorLvl = QrCode.Ecc.LOW; // Error correction level
Ecc errCorLvl = Ecc.LOW; // Error correction level
QrCode qr = QrCode.encodeText(text, errCorLvl); // Make the QR Code symbol
QrCode qrCode = QrCode.encodeText(text, errCorLvl); // Make the QR Code symbol
BufferedImage img = qr.toImage(10, 4); // Convert to bitmap image
BufferedImage img = qrCode.toImage(10, 4); // Convert to bitmap image
File imgFile = new File("hello-world-QR.png"); // File path for output
ImageIO.write(img, "png", imgFile); // Write image to file
String svg = qr.toSvgString(4); // Convert to SVG XML code
String svg = qrCode.toSvgString(4); // Convert to SVG XML code
File svgFile = new File("hello-world-QR.svg"); // File path for output
Files.write(svgFile.toPath(), // Write image to file
svg.getBytes(StandardCharsets.UTF_8));
@ -73,15 +73,15 @@ public final class QrCodeGeneratorDemo {
QrCode qrCode;
// Numeric mode encoding (3.33 bits per digit)
qrCode = QrCode.encodeText("314159265358979323846264338327950288419716939937510", QrCode.Ecc.MEDIUM);
qrCode = QrCode.encodeText("314159265358979323846264338327950288419716939937510", Ecc.MEDIUM);
writePng(qrCode.toImage(13, 1), "pi-digits-QR.png");
// Alphanumeric mode encoding (5.5 bits per character)
qrCode = QrCode.encodeText("DOLLAR-AMOUNT:$39.87 PERCENTAGE:100.00% OPERATIONS:+-*/", QrCode.Ecc.HIGH);
qrCode = QrCode.encodeText("DOLLAR-AMOUNT:$39.87 PERCENTAGE:100.00% OPERATIONS:+-*/", Ecc.HIGH);
writePng(qrCode.toImage(10, 2), "alphanumeric-QR.png");
// Unicode text as UTF-8
qrCode = QrCode.encodeText("占쎄괭占쎄뎐占쎄쾽占쎄굶wa占쎄낌<EC8E84>닟占쎈르塋딉옙 <20>뀭汝뷸Ь<EBB7B8>걣", QrCode.Ecc.QUARTILE);
qrCode = QrCode.encodeText("占쎄괭占쎄뎐占쎄쾽占쎄굶wa占쎄낌<EC8E84>닟占쎈르塋딉옙 <20>뀭汝뷸Ь<EBB7B8>걣", Ecc.QUARTILE);
writePng(qrCode.toImage(10, 3), "unicode-QR.png");
// Moderately large QR Code using longer text (from Lewis Carroll's Alice in Wonderland)
@ -92,7 +92,7 @@ public final class QrCodeGeneratorDemo {
+ "'without pictures or conversations?' So she was considering in her own mind (as well as she could, "
+ "for the hot day made her feel very sleepy and stupid), whether the pleasure of making a "
+ "daisy-chain would be worth the trouble of getting up and picking the daisies, when suddenly "
+ "a White Rabbit with pink eyes ran close by her.", QrCode.Ecc.HIGH);
+ "a White Rabbit with pink eyes ran close by her.", Ecc.HIGH);
writePng(qrCode.toImage(6, 10), "alice-wonderland-QR.png");
}
@ -105,36 +105,36 @@ public final class QrCodeGeneratorDemo {
// Illustration "silver"
String silver0 = "THE SQUARE ROOT OF 2 IS 1.";
String silver1 = "41421356237309504880168872420969807856967187537694807317667973799";
qrCode = QrCode.encodeText(silver0 + silver1, QrCode.Ecc.LOW);
qrCode = QrCode.encodeText(silver0 + silver1, Ecc.LOW);
writePng(qrCode.toImage(10, 3), "sqrt2-monolithic-QR.png");
segments = Arrays.asList(
QrSegment.makeAlphanumeric(silver0),
QrSegment.makeNumeric(silver1));
qrCode = QrCode.encodeSegments(segments, QrCode.Ecc.LOW);
qrCode = QrCode.encodeSegments(segments, Ecc.LOW);
writePng(qrCode.toImage(10, 3), "sqrt2-segmented-QR.png");
// Illustration "golden"
String golden0 = "Golden ratio 占쏙옙 = 1.";
String golden1 = "6180339887498948482045868343656381177203091798057628621354486227052604628189024497072072041893911374";
String golden2 = "......";
qrCode = QrCode.encodeText(golden0 + golden1 + golden2, QrCode.Ecc.LOW);
qrCode = QrCode.encodeText(golden0 + golden1 + golden2, Ecc.LOW);
writePng(qrCode.toImage(8, 5), "phi-monolithic-QR.png");
segments = Arrays.asList(
QrSegment.makeBytes(golden0.getBytes(StandardCharsets.UTF_8)),
QrSegment.makeNumeric(golden1),
QrSegment.makeAlphanumeric(golden2));
qrCode = QrCode.encodeSegments(segments, QrCode.Ecc.LOW);
qrCode = QrCode.encodeSegments(segments, Ecc.LOW);
writePng(qrCode.toImage(8, 5), "phi-segmented-QR.png");
// Illustration "Madoka": kanji, kana, Cyrillic, full-width Latin, Greek characters
String madoka = "占쎈슞異몌쫲類앹빼阿잙뀍寃뀐옙寃묕옙嫄<EC9899>占쎌겳占쎄묻占쎄텤占쎄텠占쎈씞寃귨옙寃랃옙怨ο옙占쏙옙<EC8F99>꺂癒믪꼨占쏙옙影<EC9899>袁ы맀影<EBA780>蹂⑺맟占쏙옙鰲<EC9899><E9B0B2>뀭塋딉옙";
qrCode = QrCode.encodeText(madoka, QrCode.Ecc.LOW);
qrCode = QrCode.encodeText(madoka, Ecc.LOW);
writePng(qrCode.toImage(9, 4), "madoka-utf8-QR.png");
segments = Arrays.asList(QrSegmentAdvanced.makeKanji(madoka));
qrCode = QrCode.encodeSegments(segments, QrCode.Ecc.LOW);
qrCode = QrCode.encodeSegments(segments, Ecc.LOW);
writePng(qrCode.toImage(9, 4), "madoka-kanji-QR.png");
}
@ -146,20 +146,20 @@ public final class QrCodeGeneratorDemo {
// Project Nayuki URL
segments = QrSegment.makeSegments("https://www.nayuki.io/");
qrCode = QrCode.encodeSegments(segments, QrCode.Ecc.HIGH, QrCode.MIN_VERSION, QrCode.MAX_VERSION, -1, true); // Automatic mask
qrCode = QrCode.encodeSegments(segments, Ecc.HIGH, QrCode.MIN_VERSION, QrCode.MAX_VERSION, -1, true); // Automatic mask
writePng(qrCode.toImage(8, 6), "project-nayuki-automask-QR.png");
qrCode = QrCode.encodeSegments(segments, QrCode.Ecc.HIGH, QrCode.MIN_VERSION, QrCode.MAX_VERSION, 3, true); // Force mask 3
qrCode = QrCode.encodeSegments(segments, Ecc.HIGH, QrCode.MIN_VERSION, QrCode.MAX_VERSION, 3, true); // Force mask 3
writePng(qrCode.toImage(8, 6), "project-nayuki-mask3-QR.png");
// Chinese text as UTF-8
segments = QrSegment.makeSegments("力놂옙占쎌쓢占쎌뇥<EC8E8C>뇖臾뺥렩Wikipedia塋딅슜嫄앾옙寃켲/占쎈샆<EC8E88>뎚藥<EB8E9A>戮먮뒰i占쎈쫨i.占쏙옙/塋딅맚<EB9485>궦鼇앾옙占쎈뿨<EC8E88>닅占쎈뎨占쎈<E58DA0>깍Ⅴ諛ㅿ옙怨⑸<E680A8>띰옙堉<EC9899>歷뜯몼<EB9CAF>꽎鼇앸떱姨<EB96B1>亦껋쉮占쏙옙<EC8F99>돦力녠엽<EB85A0>윭占쎌뇥<EC8E8C>뇖臾덈<E887BE>뀐옙<EB8090>럱占쎈쐭俑앹뮂怡ワ옙鍮<EC9899>");
qrCode = QrCode.encodeSegments(segments, QrCode.Ecc.MEDIUM, QrCode.MIN_VERSION, QrCode.MAX_VERSION, 0, true); // Force mask 0
qrCode = QrCode.encodeSegments(segments, Ecc.MEDIUM, QrCode.MIN_VERSION, QrCode.MAX_VERSION, 0, true); // Force mask 0
writePng(qrCode.toImage(10, 3), "unicode-mask0-QR.png");
qrCode = QrCode.encodeSegments(segments, QrCode.Ecc.MEDIUM, QrCode.MIN_VERSION, QrCode.MAX_VERSION, 1, true); // Force mask 1
qrCode = QrCode.encodeSegments(segments, Ecc.MEDIUM, QrCode.MIN_VERSION, QrCode.MAX_VERSION, 1, true); // Force mask 1
writePng(qrCode.toImage(10, 3), "unicode-mask1-QR.png");
qrCode = QrCode.encodeSegments(segments, QrCode.Ecc.MEDIUM, QrCode.MIN_VERSION, QrCode.MAX_VERSION, 5, true); // Force mask 5
qrCode = QrCode.encodeSegments(segments, Ecc.MEDIUM, QrCode.MIN_VERSION, QrCode.MAX_VERSION, 5, true); // Force mask 5
writePng(qrCode.toImage(10, 3), "unicode-mask5-QR.png");
qrCode = QrCode.encodeSegments(segments, QrCode.Ecc.MEDIUM, QrCode.MIN_VERSION, QrCode.MAX_VERSION, 7, true); // Force mask 7
qrCode = QrCode.encodeSegments(segments, Ecc.MEDIUM, QrCode.MIN_VERSION, QrCode.MAX_VERSION, 7, true); // Force mask 7
writePng(qrCode.toImage(10, 3), "unicode-mask7-QR.png");
}

2
java/src/main/java/io/nayuki/qrcodegen/QrCodeGeneratorWorker.java
Unescape View File

@ -82,7 +82,7 @@ public final class QrCodeGeneratorWorker {
segments = Arrays.asList(QrSegment.makeBytes(data));
try { // Try to make QR Code symbol
QrCode qr = QrCode.encodeSegments(segments, QrCode.Ecc.values()[errCorLvl], minVersion, maxVersion, mask, boostEcl != 0);
QrCode qr = QrCode.encodeSegments(segments, Ecc.values()[errCorLvl], minVersion, maxVersion, mask, boostEcl != 0);
// Print grid of modules
System.out.println(qr.version);
for (int y = 0; y < qr.size; y++) {

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