improve parsing 3

lib/services/receipt_ocr.dart

@@ -16,15 +16,17 @@ class ReceiptOcr {
     required double imageHeight,
   }) {
     final elements = <OcrElement>[];
+    final lines = <OcrLine>[];
     var maxRight = 0.0;
     var maxBottom = 0.0;
 
     for (final block in recognized.blocks) {
       for (final line in block.lines) {
+        final lineElements = <OcrElement>[];
         if (line.elements.isNotEmpty) {
           for (final element in line.elements) {
             final box = element.boundingBox;
-            elements.add(
+            lineElements.add(
               OcrElement(
                 text: element.text,
                 left: box.left,
@@ -38,7 +40,7 @@ class ReceiptOcr {
           }
         } else {
           final box = line.boundingBox;
-          elements.add(
+          lineElements.add(
             OcrElement(
               text: line.text,
               left: box.left,
@@ -50,6 +52,18 @@ class ReceiptOcr {
           if (box.right > maxRight) maxRight = box.right;
           if (box.bottom > maxBottom) maxBottom = box.bottom;
         }
+        elements.addAll(lineElements);
+        final box = line.boundingBox;
+        lines.add(
+          OcrLine(
+            text: line.text,
+            elements: lineElements,
+            left: box.left,
+            top: box.top,
+            right: box.right,
+            bottom: box.bottom,
+          ),
+        );
       }
     }
 
@@ -58,6 +72,7 @@ class ReceiptOcr {
 
     return OcrDocument(
       elements: elements,
+      lines: lines,
       imageWidth: width,
       imageHeight: height,
       flattenedText: recognized.text.trim(),