125 lines
3.2 KiB
Rust
125 lines
3.2 KiB
Rust
use qr_core::qr::{QrCode, QrConfig, VersionMode};
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use qr_core::version::EcLevel;
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use serde::{Deserialize, Serialize};
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use std::sync::Mutex;
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/// QR 编码响应
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#[derive(Debug, Serialize, Clone)]
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struct QrResponse {
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svg: String,
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version: u8,
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size: u8,
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mask: u8,
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}
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/// 历史记录条目
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#[derive(Debug, Serialize, Deserialize, Clone)]
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struct HistoryEntry {
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id: String,
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mode: String,
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content: String,
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timestamp: u64,
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}
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/// 应用状态
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struct AppState {
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history: Mutex<Vec<HistoryEntry>>,
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}
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/// 编码 QR 码，返回 SVG + 元信息
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#[tauri::command]
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fn encode_qr(text: String, level: String, margin: u8) -> Result<QrResponse, String> {
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let ec_level = match level.to_uppercase().as_str() {
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"L" => EcLevel::L,
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"M" => EcLevel::M,
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"Q" => EcLevel::Q,
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"H" => EcLevel::H,
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_ => return Err(format!("无效纠错级别: {}", level)),
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};
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let config = QrConfig {
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level: ec_level,
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version: VersionMode::Auto,
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margin,
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};
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let qr = QrCode::encode(&text, config).map_err(|e| format!("编码失败: {}", e))?;
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let svg = qr.to_svg();
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Ok(QrResponse {
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svg,
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version: qr.version.0,
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size: qr.size(),
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mask: qr.mask,
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})
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}
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/// 导出 PNG bytes
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#[tauri::command]
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fn export_png(text: String, level: String, margin: u8, module_size: u8) -> Result<Vec<u8>, String> {
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let ec_level = match level.to_uppercase().as_str() {
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"L" => EcLevel::L,
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"M" => EcLevel::M,
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"Q" => EcLevel::Q,
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"H" => EcLevel::H,
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_ => return Err(format!("无效纠错级别: {}", level)),
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};
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let config = QrConfig {
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level: ec_level,
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version: VersionMode::Auto,
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margin,
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};
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let qr = QrCode::encode(&text, config).map_err(|e| format!("编码失败: {}", e))?;
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Ok(qr.to_png_bytes(module_size))
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}
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/// 保存历史记录条目
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#[tauri::command]
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fn save_history(state: tauri::State<AppState>, entry: HistoryEntry) -> Result<(), String> {
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let mut history = state.history.lock().map_err(|e| e.to_string())?;
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history.push(entry);
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if history.len() > 50 {
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history.remove(0);
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}
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Ok(())
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}
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/// 加载全部历史记录
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#[tauri::command]
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fn load_history(state: tauri::State<AppState>) -> Result<Vec<HistoryEntry>, String> {
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let history = state.history.lock().map_err(|e| e.to_string())?;
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Ok(history.clone())
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}
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/// 清空历史记录
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#[tauri::command]
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fn clear_history(state: tauri::State<AppState>) -> Result<(), String> {
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let mut history = state.history.lock().map_err(|e| e.to_string())?;
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history.clear();
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Ok(())
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}
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#[cfg_attr(mobile, tauri::mobile_entry_point)]
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pub fn run() {
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tauri::Builder::default()
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.plugin(tauri_plugin_store::Builder::new().build())
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.plugin(tauri_plugin_dialog::init())
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.plugin(tauri_plugin_clipboard_manager::init())
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.manage(AppState {
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history: Mutex::new(Vec::new()),
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})
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.invoke_handler(tauri::generate_handler![
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encode_qr,
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export_png,
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save_history,
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load_history,
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clear_history,
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])
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.run(tauri::generate_context!())
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.expect("启动 QRGen GUI 失败");
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}
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