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https://gitee.com/openharmony/third_party_qrcodegen
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Update README to add syntax highlighting to each example
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Igor Guerrero
GitHub
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Readme.markdown
226
Readme.markdown
@ -43,133 +43,145 @@ Examples
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Java language:
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import java.awt.image.BufferedImage;
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import java.io.File;
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import java.util.List;
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import javax.imageio.ImageIO;
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import io.nayuki.qrcodegen.*;
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// Simple operation
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QrCode qr0 = QrCode.encodeText("Hello, world!", QrCode.Ecc.MEDIUM);
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BufferedImage img = qr0.toImage(4, 10);
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ImageIO.write(img, "png", new File("qr-code.png"));
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// Manual operation
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List<QrSegment> segs = QrSegment.makeSegments("3141592653589793238462643383");
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QrCode qr1 = QrCode.encodeSegments(segs, QrCode.Ecc.HIGH, 5, 5, 2, false);
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for (int y = 0; y < qr1.size; y++) {
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for (int x = 0; x < qr1.size; x++) {
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(... paint qr1.getModule(x, y) ...)
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}
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```java
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import java.awt.image.BufferedImage;
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import java.io.File;
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import java.util.List;
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import javax.imageio.ImageIO;
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import io.nayuki.qrcodegen.*;
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// Simple operation
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QrCode qr0 = QrCode.encodeText("Hello, world!", QrCode.Ecc.MEDIUM);
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BufferedImage img = qr0.toImage(4, 10);
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ImageIO.write(img, "png", new File("qr-code.png"));
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// Manual operation
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List<QrSegment> segs = QrSegment.makeSegments("3141592653589793238462643383");
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QrCode qr1 = QrCode.encodeSegments(segs, QrCode.Ecc.HIGH, 5, 5, 2, false);
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for (int y = 0; y < qr1.size; y++) {
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for (int x = 0; x < qr1.size; x++) {
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(... paint qr1.getModule(x, y) ...)
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}
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}
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```
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TypeScript/JavaScript languages:
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// Name abbreviated for the sake of these examples here
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var QRC = qrcodegen.QrCode;
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// Simple operation
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var qr0 = QRC.encodeText("Hello, world!", QRC.Ecc.MEDIUM);
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var svg = qr0.toSvgString(4);
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// Manual operation
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var segs = qrcodegen.QrSegment.makeSegments("3141592653589793238462643383");
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var qr1 = QRC.encodeSegments(segs, QRC.Ecc.HIGH, 5, 5, 2, false);
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for (var y = 0; y < qr1.size; y++) {
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for (var x = 0; x < qr1.size; x++) {
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(... paint qr1.getModule(x, y) ...)
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}
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```javascript
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// Name abbreviated for the sake of these examples here
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var QRC = qrcodegen.QrCode;
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// Simple operation
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var qr0 = QRC.encodeText("Hello, world!", QRC.Ecc.MEDIUM);
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var svg = qr0.toSvgString(4);
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// Manual operation
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var segs = qrcodegen.QrSegment.makeSegments("3141592653589793238462643383");
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var qr1 = QRC.encodeSegments(segs, QRC.Ecc.HIGH, 5, 5, 2, false);
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for (var y = 0; y < qr1.size; y++) {
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for (var x = 0; x < qr1.size; x++) {
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(... paint qr1.getModule(x, y) ...)
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}
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}
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```
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Python language:
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from qrcodegen import *
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# Simple operation
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qr0 = QrCode.encode_text("Hello, world!", QrCode.Ecc.MEDIUM)
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svg = qr0.to_svg_str(4)
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# Manual operation
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segs = QrSegment.make_segments("3141592653589793238462643383")
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qr1 = QrCode.encode_segments(segs, QrCode.Ecc.HIGH, 5, 5, 2, False)
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for y in range(qr1.get_size()):
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for x in range(qr1.get_size()):
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(... paint qr1.get_module(x, y) ...)
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```python
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from qrcodegen import *
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# Simple operation
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qr0 = QrCode.encode_text("Hello, world!", QrCode.Ecc.MEDIUM)
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svg = qr0.to_svg_str(4)
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# Manual operation
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segs = QrSegment.make_segments("3141592653589793238462643383")
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qr1 = QrCode.encode_segments(segs, QrCode.Ecc.HIGH, 5, 5, 2, False)
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for y in range(qr1.get_size()):
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for x in range(qr1.get_size()):
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(... paint qr1.get_module(x, y) ...)
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```
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C++ language:
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#include <string>
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#include <vector>
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#include "QrCode.hpp"
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using namespace qrcodegen;
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// Simple operation
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QrCode qr0 = QrCode::encodeText("Hello, world!", QrCode::Ecc::MEDIUM);
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std::string svg = qr0.toSvgString(4);
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// Manual operation
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std::vector<QrSegment> segs =
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QrSegment::makeSegments("3141592653589793238462643383");
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QrCode qr1 = QrCode::encodeSegments(
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segs, QrCode::Ecc::HIGH, 5, 5, 2, false);
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for (int y = 0; y < qr1.getSize(); y++) {
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for (int x = 0; x < qr1.getSize(); x++) {
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(... paint qr1.getModule(x, y) ...)
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}
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```cpp
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#include <string>
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#include <vector>
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#include "QrCode.hpp"
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using namespace qrcodegen;
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// Simple operation
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QrCode qr0 = QrCode::encodeText("Hello, world!", QrCode::Ecc::MEDIUM);
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std::string svg = qr0.toSvgString(4);
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// Manual operation
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std::vector<QrSegment> segs =
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QrSegment::makeSegments("3141592653589793238462643383");
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QrCode qr1 = QrCode::encodeSegments(
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segs, QrCode::Ecc::HIGH, 5, 5, 2, false);
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for (int y = 0; y < qr1.getSize(); y++) {
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for (int x = 0; x < qr1.getSize(); x++) {
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(... paint qr1.getModule(x, y) ...)
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}
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}
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```
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C language:
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#include <stdbool.h>
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#include <stdint.h>
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#include "qrcodegen.h"
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// Text data
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uint8_t qr0[qrcodegen_BUFFER_LEN_MAX];
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uint8_t tempBuffer[qrcodegen_BUFFER_LEN_MAX];
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bool ok = qrcodegen_encodeText("Hello, world!",
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tempBuffer, qr0, qrcodegen_Ecc_MEDIUM,
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qrcodegen_VERSION_MIN, qrcodegen_VERSION_MAX,
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qrcodegen_Mask_AUTO, true);
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if (!ok)
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return;
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int size = qrcodegen_getSize(qr0);
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for (int y = 0; y < size; y++) {
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for (int x = 0; x < size; x++) {
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(... paint qrcodegen_getModule(qr0, x, y) ...)
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}
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```c
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#include <stdbool.h>
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#include <stdint.h>
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#include "qrcodegen.h"
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// Text data
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uint8_t qr0[qrcodegen_BUFFER_LEN_MAX];
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uint8_t tempBuffer[qrcodegen_BUFFER_LEN_MAX];
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bool ok = qrcodegen_encodeText("Hello, world!",
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tempBuffer, qr0, qrcodegen_Ecc_MEDIUM,
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qrcodegen_VERSION_MIN, qrcodegen_VERSION_MAX,
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qrcodegen_Mask_AUTO, true);
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if (!ok)
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return;
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int size = qrcodegen_getSize(qr0);
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for (int y = 0; y < size; y++) {
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for (int x = 0; x < size; x++) {
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(... paint qrcodegen_getModule(qr0, x, y) ...)
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}
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// Binary data
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uint8_t dataAndTemp[qrcodegen_BUFFER_LEN_FOR_VERSION(7)]
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= {0xE3, 0x81, 0x82};
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uint8_t qr1[qrcodegen_BUFFER_LEN_FOR_VERSION(7)];
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ok = qrcodegen_encodeBinary(dataAndTemp, 3, qr1,
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qrcodegen_Ecc_HIGH, 2, 7, qrcodegen_Mask_4, false);
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}
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// Binary data
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uint8_t dataAndTemp[qrcodegen_BUFFER_LEN_FOR_VERSION(7)]
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= {0xE3, 0x81, 0x82};
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uint8_t qr1[qrcodegen_BUFFER_LEN_FOR_VERSION(7)];
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ok = qrcodegen_encodeBinary(dataAndTemp, 3, qr1,
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qrcodegen_Ecc_HIGH, 2, 7, qrcodegen_Mask_4, false);
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```
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Rust language:
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extern crate qrcodegen;
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use qrcodegen::QrCode;
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use qrcodegen::QrCodeEcc;
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use qrcodegen::QrSegment;
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// Simple operation
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let qr = QrCode::encode_text("Hello, world!",
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QrCodeEcc::Medium).unwrap();
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let svg = qr.to_svg_string(4);
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// Manual operation
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let chrs: Vec<char> = "3141592653589793238462643383".chars().collect();
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let segs = QrSegment::make_segments(&chrs);
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let qr = QrCode::encode_segments_advanced(
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&segs, QrCodeEcc::High, 5, 5, Some(Mask::new(2)), false).unwrap();
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for y in 0 .. qr.size() {
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for x in 0 .. qr.size() {
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(... paint qr.get_module(x, y) ...)
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}
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```rust
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extern crate qrcodegen;
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use qrcodegen::QrCode;
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use qrcodegen::QrCodeEcc;
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use qrcodegen::QrSegment;
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// Simple operation
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let qr = QrCode::encode_text("Hello, world!",
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QrCodeEcc::Medium).unwrap();
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let svg = qr.to_svg_string(4);
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// Manual operation
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let chrs: Vec<char> = "3141592653589793238462643383".chars().collect();
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let segs = QrSegment::make_segments(&chrs);
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let qr = QrCode::encode_segments_advanced(
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&segs, QrCodeEcc::High, 5, 5, Some(Mask::new(2)), false).unwrap();
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for y in 0 .. qr.size() {
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for x in 0 .. qr.size() {
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(... paint qr.get_module(x, y) ...)
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}
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}
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```
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License
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