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feat: PDF importieren und annotiert exportieren

Browse Source 
- ☰ → „PDF importieren …“ oder PDF ins Fenster ziehen: neues Notizbuch
  mit einer Seite je PDF-Seite, die Originalseite als Hintergrund
- Querformat-Folien liegen oben auf dem A4-Blatt, darunter ist Platz für
  Notizen; gedrehte Seiten (/Rotate) erscheinen wie im PDF-Betrachter
- Anzeige mit hayro (reines Rust) im Hintergrund-Thread, nächste Seite
  wird vorab gerendert
- PDF-Export legt die Originalseiten als Vektorgrafik (Form-XObject via
  lopdf) unter Bilder und Tinte; nicht übernehmbare Seiten (z. B.
  verschlüsselt) werden als Bild mit 200 dpi eingebettet
- Dateiformat-Version 5 (pdf_background an der Seite)

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
This commit is contained in:
harald
2026-10-07 17:47:49 +02:00
co-authored by Claude Opus 5.5
parent 9a39276da4
commit 66679e51ae
14 changed files with 1771 additions and 147 deletions
Download Patch File Download Diff File Expand all files Collapse all files
Cargo.lock
Generated
+405 -13
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@@ -37,6 +37,21 @@ dependencies = [
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