regroup etc ...

2026-07-12 15:41:17 +02:00
parent 64e7ae1679
commit db3d18cf33
10 changed files with 599 additions and 9 deletions
@@ -0,0 +1,53 @@
+import { useState, useCallback } from 'react';
+import * as Print from 'expo-print';
+import * as FileSystem from 'expo-file-system';
+import { CapturedPhoto } from '../types';
+
+export function usePdfGeneration() {
+  const [generating, setGenerating] = useState(false);
+
+  const generatePdf = useCallback(async (photos: CapturedPhoto[]): Promise<string | null> => {
+    if (photos.length === 0) return null;
+
+    setGenerating(true);
+
+    try {
+      const imagesHtml = photos.map((p) => {
+        const ext = p.filePath.split('.').pop()?.toLowerCase() || 'jpeg';
+        const mime = ext === 'png' ? 'image/png' : 'image/jpeg';
+        return `<div style="page-break-after: always; display: flex; justify-content: center; align-items: center; height: 100vh;">
+          <img src="${p.uri}" style="max-width: 100%; max-height: 100vh; object-fit: contain;" />
+        </div>`;
+      }).join('');
+
+      const html = `<!DOCTYPE html>
+<html>
+<head>
+  <meta charset="utf-8">
+  <meta name="viewport" content="width=device-width, initial-scale=1">
+  <style>
+    * { margin: 0; padding: 0; box-sizing: border-box; }
+    body { background: #fff; }
+    @media print {
+      @page { margin: 0; }
+    }
+  </style>
+</head>
+<body>${imagesHtml}</body>
+</html>`;
+
+      const { uri } = await Print.printToFileAsync({ html });
+      return uri;
+    } catch (err) {
+      console.error('PDF generation failed:', err);
+      return null;
+    } finally {
+      setGenerating(false);
+    }
+  }, []);
+
+  return {
+    generatePdf,
+    generating,
+  };
+}