Add pdf export

Cargo.toml

@@ -4,4 +4,4 @@ version = "0.1.0"
 edition = "2024"
 
 [dependencies]
-printpdf = "0.8.2"
+printpdf = { version = "0.8.2", features = [ "png", "jpeg"] }

src/layout.rs

@@ -3,7 +3,7 @@ use crate::stickers::*;
 
 #[derive(Debug)]
 pub struct Page {
-    stickers: Vec<Sticker>,
+    pub stickers: Vec<Sticker>,
 }
 
 pub fn generate_page(sticker_details: Vec<StickerDetail>) -> Vec<Page> {
@@ -15,6 +15,10 @@ pub fn generate_page(sticker_details: Vec<StickerDetail>) -> Vec<Page> {
     };
 
     for sticker_detail in sticker_details {
+        if !sticker_detail.path.is_file() {
+            panic!("Erreur d'ouverture du fichier : {:?}", sticker_detail.path)
+        }
+
         let total_width = total_width(&config, sticker_detail.width);
         let total_height = total_height(&config, sticker_detail.height);
 
@@ -27,10 +31,6 @@ pub fn generate_page(sticker_details: Vec<StickerDetail>) -> Vec<Page> {
 
         while remaining > 0 {
             let index = current_page.stickers.len();
-            if index == stickers_per_page {
-                pages.push(current_page);
-                current_page = Page { stickers: vec![] };
-            }
 
             let i = index / cols;
             let j = index % cols;
@@ -40,6 +40,14 @@ pub fn generate_page(sticker_details: Vec<StickerDetail>) -> Vec<Page> {
 
             current_page.stickers.push(create_sticker(sticker_detail.clone(), position_x, position_y));
             remaining -= 1;
+
+            let index = current_page.stickers.len();
+
+            if index == stickers_per_page {
+                pages.push(current_page);
+                current_page = Page { stickers: vec![] };
+            }
+
         }
     }
 
@@ -53,7 +61,7 @@ pub fn generate_page(sticker_details: Vec<StickerDetail>) -> Vec<Page> {
 fn create_sticker(sticker_detail: StickerDetail, x: f64, y: f64) -> Sticker {
     Sticker {
         path: sticker_detail.path,
-        position: (x, y),
+        position: Position { x, y },
         width: sticker_detail.width,
         height: sticker_detail.width
     }

src/main.rs

@@ -1,24 +1,22 @@
 use printstick::layout::generate_page;
 use printstick::stickers::StickerDetail;
 use printstick::layout::Page;
+use printstick::pdf::generate_pdf;
+use std::path::PathBuf;
 
 fn main() {
     let stickers_order: Vec<StickerDetail> = vec![
         StickerDetail {
             number: 52,
-            path: String::from("/test"),
+            path: PathBuf::from("/Users/torpenn/projects/personal/PrintStick/linux_antifa.png"),
             height: 50.0,
             width: 50.0
-       },
+       }
-        StickerDetail {
-            number: 10,
-            path: String::from("/nouveau_sticker"),
-            height: 40.0,
-            width: 30.0
-       },
     ];
 
     let pages: Vec<Page> = generate_page(stickers_order);
 
     println!("Generated positions in one page: {:?}", pages);
+
+    generate_pdf(PathBuf::from("./image_example.pdf"), pages)
 }

src/pdf.rs

@@ -1,3 +1,47 @@
-// pub fn generate_pdf(output_path: &str, positions: Vec<(Mm, Mm)>, stickers: &[Sticker]) { 
+use crate::layout::Page;
+use printpdf::*;
+use std::path::PathBuf;
 
-// }
+pub fn generate_pdf(output_path: PathBuf, pages: Vec<Page>) {
+    let mut doc = PdfDocument::new("Planches");
+
+    let mut final_pages = Vec::new();
+
+    for page in pages {
+        let mut ops = Vec::new();
+
+        for sticker in page.stickers {
+            let image_bytes = std::fs::read(sticker.path).unwrap();
+            let image = RawImage::decode_from_bytes(&image_bytes, &mut Vec::new()).unwrap();
+
+            let image_id = doc.add_image(&image);
+
+            ops.push(Op::UseXobject {
+                id: image_id.clone(),
+                transform: XObjectTransform {
+                    translate_x: Some(Mm(sticker.position.x as f32).into()),
+                    translate_y: Some(Mm(sticker.position.y as f32).into()),
+                    rotate: Some(XObjectRotation {
+                        angle_ccw_degrees: 0.0,
+                        rotation_center_x: Px(0),
+                        rotation_center_y: Px(0),
+                    }),
+                    scale_x: Some(1.0),
+                    scale_y: Some(1.0),
+                    dpi: Some(300.0),
+                },
+            });
+        }
+
+        let page = PdfPage::new(Mm(420.0), Mm(297.0), ops);
+
+        final_pages.push(page)
+    }
+
+    let bytes = doc
+        .with_pages(final_pages)
+        .save(&PdfSaveOptions::default(), &mut Vec::new());
+
+    std::fs::write(output_path, bytes).unwrap();
+    println!("Created image_example.pdf");
+}

src/stickers.rs

@@ -1,17 +1,25 @@
+use std::path::PathBuf;
+
 // Use for one stickers
 #[derive(Debug)]
 pub struct Sticker {
-    pub path: String,
+    pub path: PathBuf,
-    pub position: (f64, f64), // (x, y)
+    pub position: Position,
     pub width: f64,
     pub height: f64
 }
 
-// User for many different sticker
+#[derive(Debug)]
+pub struct Position {
+    pub x: f64,
+    pub y: f64
+}
+
+// Use for many different sticker
 #[derive(Clone, Debug)]
 pub struct StickerDetail {
     pub number: u32,
-    pub path: String,
+    pub path: PathBuf,
     pub width: f64,
     pub height: f64,
 }