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QrCodeGenerator

Struct QrCodeGenerator 

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pub struct QrCodeGenerator { /* private fields */ }
Expand description

二维码生成器 — 对齐 PHP Endroid\QrCode\QrCode

持有 QrCodeConfig 配置,提供 PNG/SVG/矩阵三种输出方式。

§PHP 对齐

// PHP endroid/qr-code
$qr = new QrCode('Hello');
$qr->setSize(200);
$qr->setMargin(10);
$qr->setErrorCorrectionLevel(new ErrorCorrectionLevel(ErrorCorrectionLevel::MEDIUM));
$png = $qr->writeString(); // 默认 PNG

§Rust 用法

use sz_rust_core::qr_code::{QrCodeGenerator, QrCodeConfig, ErrorCorrectionLevel};

let config = QrCodeConfig::new()
    .with_size(200)
    .with_margin(10)
    .with_error_correction_level(ErrorCorrectionLevel::Medium);
let generator = QrCodeGenerator::with_config(config);
let png = generator.generate_png("Hello").unwrap();

Implementations§

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impl QrCodeGenerator

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pub fn new() -> Self

创建默认配置的生成器

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pub fn with_config(config: QrCodeConfig) -> Self

使用指定配置创建生成器

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pub fn config(&self) -> &QrCodeConfig

获取配置引用

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pub fn generate_matrix(&self, data: &str) -> Result<Vec<Vec<bool>>, QrCodeError>

生成原始矩阵 — 返回 bool 二维数组(true = 深色模块)

矩阵尺寸为 N × N(正方形),不包含边距。

§参数
  • data: 待编码的数据(不能为空)
§返回

成功返回 Vec<Vec<bool>>,失败返回 QrCodeError

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pub fn generate_png(&self, data: &str) -> Result<Vec<u8>, QrCodeError>

生成 PNG 二进制

先生成原始矩阵,再用 image crate 渲染为 PNG。 像素级边距控制:size 为总尺寸(含边距),margin 为四周白边宽度。

§参数
  • data: 待编码的数据(不能为空)
§返回

成功返回 PNG 字节流 Vec<u8>,失败返回 QrCodeError

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pub fn generate_svg(&self, data: &str) -> Result<String, QrCodeError>

生成 SVG 字符串

使用 qrcode crate 内置的 SVG 渲染器(qrcode::render::svg::Color)。 边距通过 quiet zone 控制(margin > 0 时启用)。

§参数
  • data: 待编码的数据(不能为空)
§返回

成功返回 SVG 字符串,失败返回 QrCodeError

Trait Implementations§

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impl Clone for QrCodeGenerator

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fn clone(&self) -> QrCodeGenerator

Returns a duplicate of the value. Read more
1.0.0 (const: unstable) · Source§

fn clone_from(&mut self, source: &Self)

Performs copy-assignment from source. Read more
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impl Debug for QrCodeGenerator

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fn fmt(&self, f: &mut Formatter<'_>) -> Result

Formats the value using the given formatter. Read more
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impl Default for QrCodeGenerator

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fn default() -> Self

Returns the “default value” for a type. Read more

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