feat: 实现二维码高级渲染功能,支持自定义颜色、形状和 Logo 嵌入

src-tauri/src/services/qrcode_service.rs

@@ -4,7 +4,7 @@
 
 use crate::error::{AppError, AppResult};
 use crate::models::qrcode::{QrConfig, QrResult};
-use crate::utils::qrcode_renderer::{image_to_base64, render_basic_qr};
+use crate::utils::qrcode_renderer::{image_to_base64, render_qr};
 
 /// 二维码生成服务
 pub struct QrCodeService;
@@ -39,8 +39,17 @@ impl QrCodeService {
             return Err(AppError::InvalidData("边距不能超过 50".to_string()));
         }
 
+        // 验证 Logo 缩放比例
+        if let Some(logo) = &config.logo {
+            if logo.scale < 0.05 || logo.scale > 0.3 {
+                return Err(AppError::InvalidData(
+                    "Logo 缩放比例必须在 0.05 到 0.3 之间".to_string(),
+                ));
+            }
+        }
+
         // 渲染二维码
-        let img = render_basic_qr(config)?;
+        let img = render_qr(config)?;
 
         // 转换为 Base64
         let base64_data = image_to_base64(&img)?;
@@ -76,8 +85,22 @@ impl QrCodeService {
             ));
         }
 
+        // 验证边距
+        if config.margin > 50 {
+            return Err(AppError::InvalidData("边距不能超过 50".to_string()));
+        }
+
+        // 验证 Logo 缩放比例
+        if let Some(logo) = &config.logo {
+            if logo.scale < 0.05 || logo.scale > 0.3 {
+                return Err(AppError::InvalidData(
+                    "Logo 缩放比例必须在 0.05 到 0.3 之间".to_string(),
+                ));
+            }
+        }
+
         // 渲染二维码
-        let img = render_basic_qr(config)?;
+        let img = render_qr(config)?;
 
         // 保存到文件
         img.save(output_path)
@@ -90,6 +113,7 @@ impl QrCodeService {
 #[cfg(test)]
 mod tests {
     use super::*;
+    use crate::models::qrcode::{QrStyle};
 
     #[test]
     fn test_generate_preview() {
@@ -98,6 +122,8 @@ mod tests {
             size: 512,
             margin: 4,
             error_correction: "M".to_string(),
+            style: None,
+            logo: None,
         };
 
         let result = QrCodeService::generate_preview(&config);
@@ -108,6 +134,30 @@ mod tests {
         assert_eq!(qr_result.format, "png");
     }
 
+    #[test]
+    fn test_generate_preview_with_style() {
+        let style = QrStyle {
+            dot_shape: "circle".to_string(),
+            eye_shape: "square".to_string(),
+            foreground_color: "#FF0000".to_string(),
+            background_color: "#FFFFFF".to_string(),
+            is_gradient: false,
+            gradient_colors: None,
+        };
+
+        let config = QrConfig {
+            content: "https://example.com".to_string(),
+            size: 512,
+            margin: 4,
+            error_correction: "M".to_string(),
+            style: Some(style),
+            logo: None,
+        };
+
+        let result = QrCodeService::generate_preview(&config);
+        assert!(result.is_ok());
+    }
+
     #[test]
     fn test_generate_preview_invalid_size() {
         let config = QrConfig {
@@ -115,6 +165,8 @@ mod tests {
             size: 50, // 太小
             margin: 4,
             error_correction: "M".to_string(),
+            style: None,
+            logo: None,
         };
 
         let result = QrCodeService::generate_preview(&config);
@@ -128,6 +180,8 @@ mod tests {
             size: 512,
             margin: 100, // 太大
             error_correction: "M".to_string(),
+            style: None,
+            logo: None,
         };
 
         let result = QrCodeService::generate_preview(&config);