convert to pdf

package-lock.json

@@ -11,6 +11,7 @@
         "@tailwindcss/vite": "^4.1.11",
         "@tauri-apps/api": "^2",
         "@tauri-apps/plugin-dialog": "^2.3.2",
+        "@tauri-apps/plugin-fs": "^2.4.1",
         "@tauri-apps/plugin-opener": "^2",
         "react": "^18.3.1",
         "react-dom": "^18.3.1"
@@ -1547,6 +1548,15 @@
         "@tauri-apps/api": "^2.6.0"
       }
     },
+    "node_modules/@tauri-apps/plugin-fs": {
+      "version": "2.4.1",
+      "resolved": "https://registry.npmjs.org/@tauri-apps/plugin-fs/-/plugin-fs-2.4.1.tgz",
+      "integrity": "sha512-vJlKZVGF3UAFGoIEVT6Oq5L4HGDCD78WmA4uhzitToqYiBKWAvZR61M6zAyQzHqLs0ADemkE4RSy/5sCmZm6ZQ==",
+      "license": "MIT OR Apache-2.0",
+      "dependencies": {
+        "@tauri-apps/api": "^2.6.0"
+      }
+    },
     "node_modules/@tauri-apps/plugin-opener": {
       "version": "2.4.0",
       "resolved": "https://registry.npmjs.org/@tauri-apps/plugin-opener/-/plugin-opener-2.4.0.tgz",

package.json

@@ -13,6 +13,7 @@
     "@tailwindcss/vite": "^4.1.11",
     "@tauri-apps/api": "^2",
     "@tauri-apps/plugin-dialog": "^2.3.2",
+    "@tauri-apps/plugin-fs": "^2.4.1",
     "@tauri-apps/plugin-opener": "^2",
     "react": "^18.3.1",
     "react-dom": "^18.3.1"

src-tauri/2

@@ -1,5 +1,5 @@
 
-added 1 package, and audited 169 packages in 3s
+added 1 package, and audited 170 packages in 4s
 
 25 packages are looking for funding
   run `npm fund` for details

src-tauri/Cargo.toml

@@ -25,3 +25,5 @@ serde_json = "1"
 printers = "2.2.0"
 winprint = "0.2.0"
 tauri-plugin-dialog = "2"
+printpdf = { version="0.8.2", features= ["png"] }
+tauri-plugin-fs = "2"

src-tauri/capabilities/default.json

@@ -8,6 +8,7 @@
   "permissions": [
     "core:default",
     "opener:default",
-    "dialog:default"
+    "dialog:default",
+    "fs:default"
   ]
 }

src-tauri/src/lib.rs

@@ -3,10 +3,13 @@ use std::path::Path;
 
 use winprint::printer::{FilePrinter, ImagePrinter, PdfiumPrinter, PrinterDevice};
 use winprint::ticket::{
-    FeatureOptionPackWithPredefined, PredefinedMediaName, PrintCapabilities, PrintTicket,
+    FeatureOptionPackWithPredefined, PredefinedMediaName, PredefinedPageOutputColor,
-    PrintTicketBuilder,PredefinedPageOutputColor
+    PrintCapabilities, PrintTicket, PrintTicketBuilder,
 };
 
+// use util::imageToPdf;
+mod util;
+
 #[tauri::command]
 fn get_all_printers() -> Vec<String> {
     let printers = PrinterDevice::all().expect("Failed to get printers");
@@ -31,6 +34,18 @@ fn get_printer_capabilities(device_name: String) -> HashMap<String, Vec<String>>
         }
     };
     println!("My Printer: {:?}", my_device.name());
+
+    match PrintCapabilities::fetch_xml(&my_device) {
+        Ok(xml) => {
+            println!("Printer Capabilities fetched successfully.");
+            let string_xml = String::from_utf8_lossy(&xml).to_string();
+            println!("Printer Capabilities XML: {}", string_xml);
+        }
+        Err(e) => {
+            println!("Failed to fetch capabilities: {:?}", e);
+        }
+    }
+
     match PrintCapabilities::fetch(&my_device) {
         Ok(capabilities) => {
             let dpi_opts = capabilities.page_resolutions();
@@ -72,20 +87,36 @@ fn default_ticket() -> PrintTicket {
                 xmlns:psk="http://schemas.microsoft.com/windows/2003/08/printing/printschemakeywords">
             
             <psf:Feature name="psk:PageScaling">
-                <psf:Option name="psk:FitToPage" />
+                <psf:Option name="psk:PageScalingFit"/>
             </psf:Feature>
 
             <psf:Feature name="psk:PageOutputQuality">
                 <psf:Option name="psk:High" />
             </psf:Feature>
-
+            <psf:Feature name="psk:PageMediaSize">
+                <psf:Option name="psk:PageMediaSizeA6"/>
+            </psf:Feature>
+            <psf:Feature name="psk:PageOutputColor">
+                <psf:Option name="psk:Monochrome"/>
+            </psf:Feature>
         </psf:PrintTicket>"#;
     let ticket = PrintTicket::from_xml(xml);
     ticket
 }
+
 #[tauri::command]
-fn print_document(device_name: String, document_path: String, dpi: String, color: String, size: String) {
+fn print_document(
-    println!("Printing document: {}, {}, {}, {}", document_path, size, dpi, color);
+    device_name: String,
+    document_path: String,
+    dpi: String,
+    color: String,
+    size: String,
+) {
+    println!(
+        "Printing document: {}, {}, {}, {}",
+        document_path, size, dpi, color
+    );
+
     let my_device = match get_my_device(device_name.clone()) {
         Some(device) => device,
         None => {
@@ -98,7 +129,8 @@ fn print_document(device_name: String, document_path: String, dpi: String, color
     let capabilities = PrintCapabilities::fetch(&my_device).unwrap();
 
     // size
-    let parsed_size = size.parse::<PredefinedMediaName>()
+    let parsed_size = size
+        .parse::<PredefinedMediaName>()
         .expect("Invalid media size name");
     let a6_media = capabilities
         .page_media_sizes()
@@ -117,8 +149,11 @@ fn print_document(device_name: String, document_path: String, dpi: String, color
         .expect("DPI not supported by printer");
 
     // color
-    let parsed_color =capabilities.page_output_colors()
+    let parsed_color = capabilities
-        .find(|x| x.as_predefined_name() == Some(color.parse::<PredefinedPageOutputColor>().unwrap()))
+        .page_output_colors()
+        .find(|x| {
+            x.as_predefined_name() == Some(color.parse::<PredefinedPageOutputColor>().unwrap())
+        })
         .map(|x| x.as_predefined_name().unwrap())
         .expect("Invalid color name");
 
@@ -132,23 +167,40 @@ fn print_document(device_name: String, document_path: String, dpi: String, color
     builder.merge(supported_dpi).unwrap();
     builder.merge(supported_color).unwrap();
 
-    let default_ticket = default_ticket();
+    // let default_ticket = default_ticket();
-    if let Err(e) = builder.merge(default_ticket) {
+    // if let Err(e) = builder.merge(default_ticket) {
-        println!("Failed to merge default ticket: {:?}", e);
+    //     println!("Failed to merge default ticket: {:?}", e);
-        return;
+    //     return;
-    }
+    // }
-    
 
     let ticket = builder.build().unwrap();
 
-    let path = Path::new(&document_path);
+    // let xml=ticket.get_xml();
+    // let xml_string = String::from_utf8_lossy(&xml).to_string();
+    // println!("PrintTicket XML as String: {}", xml_string);
+    // return;
 
-    if path.extension().map(|ext| ext.eq_ignore_ascii_case("pdf")).unwrap_or(false) {
+    let path = Path::new(&document_path);
     let printer = PdfiumPrinter::new(my_device);
+
+    if path
+        .extension()
+        .map(|ext| ext.eq_ignore_ascii_case("pdf"))
+        .unwrap_or(false)
+    {
+        
         printer.print(path, ticket).unwrap();
+
     } else {
-        let printer=ImagePrinter::new(my_device);
+        match util::imageToPdf(document_path.clone()) {
-        printer.print(path, ticket).unwrap();
+            Ok(pdf_path) => {
+                // Print the converted PDF using the printer
+                printer.print(Path::new(&pdf_path), ticket).unwrap();
+            }
+            Err(e) => {
+                println!("Error converting image to PDF: {}", e);
+            }
+        }
     };
 
     // let theprinter = PdfiumPrinter::new(my_device);
@@ -158,6 +210,7 @@ fn print_document(device_name: String, document_path: String, dpi: String, color
 #[cfg_attr(mobile, tauri::mobile_entry_point)]
 pub fn run() {
     tauri::Builder::default()
+        .plugin(tauri_plugin_fs::init())
         .plugin(tauri_plugin_dialog::init())
         .plugin(tauri_plugin_opener::init())
         .invoke_handler(tauri::generate_handler![

src-tauri/src/util.rs

@@ -0,0 +1,57 @@
+use printpdf::*;
+use std::path::Path;
+
+
+
+pub fn imageToPdf(path: String) -> Result<String, String> {
+    let mut doc = PdfDocument::new("image_to_pdf");
+
+    let image_bytes = std::fs::read(&path).map_err(|e| e.to_string())?;
+    let image = RawImage::decode_from_bytes(&image_bytes, &mut Vec::new()).unwrap();
+
+    let mut ops = Vec::new();
+
+    // In the PDF, an image is an `XObject`, identified by a unique `ImageId`
+    let image_xobject_id = doc.add_image(&image);
+
+    // Calculate image size in points (1 point = 1/72 inch)
+    // let dpi = 300.0;
+    // let output_width= 105.0; // A6 width in mm
+    // let output_height = 148.0; // A6 height in mm
+    // let mm_to_pt = 1.0 / 25.4; // Conversion factor
+    // let width_pt = output_width * mm_to_pt * dpi / image.width as f64;
+    // let height_pt = output_height * mm_to_pt * dpi / image.height as f64;
+
+    // println!("Image size in points: {}x{}", width_pt, height_pt);
+
+    // Place the image at (0,0) with the calculated size
+    ops.push(Op::UseXobject {
+        id: image_xobject_id.clone(),
+        transform: XObjectTransform {
+            translate_x: Some(Pt(0.0)),
+            translate_y: Some(Pt(0.0)),
+            scale_x: Some(1.0),
+            scale_y: Some(1.0),
+            dpi: Some(300.0),
+            ..Default::default()
+        },
+    });
+
+    let page1 = PdfPage::new(Mm(105.0), Mm(148.0), ops);
+    let pdf_bytes: Vec<u8> = doc
+        .with_pages(vec![page1])
+        .save(&PdfSaveOptions::default(), &mut Vec::new());
+    
+    let pdf_path = Path::new(&path).with_extension("pdf");
+
+    match std::fs::write(&pdf_path, pdf_bytes) {
+        Ok(_) => {
+            let abs_path = std::fs::canonicalize(&pdf_path)
+                .map(|p| p.display().to_string())
+                .unwrap_or_else(|_| pdf_path.display().to_string());
+            println!("PDF written successfully to {}", abs_path);
+            Ok(abs_path)
+        },
+        Err(e) => Err(format!("Failed to write PDF: {}", e)),
+    }
+}

src/App.jsx

@@ -69,8 +69,8 @@ function App() {
     open({
       multiple: false,
       filters: [
-        { name: 'PDF Files', extensions: ['pdf'] },
         { name: 'Image Files', extensions: ['png', 'jpg', 'jpeg'] },       
+        { name: 'PDF Files', extensions: ['pdf'] },        
       ]
     }).then((filePath) => {
       if (filePath) {