feat: 添加页面旋转角度支持到 mineru_vllm_results_cell_bbox 格式转换

ocr_utils/json_formatters.py

@@ -219,16 +219,19 @@ class JSONFormatters:
             else:
                 page_name = doc_name
             
+            # 获取页面旋转角度
+            page_rotation_angle = float(page.get('angle', 0))
+            
             # 转换为 mineru_vllm_results_cell_bbox 格式
             page_elements = []
             for element in page.get('elements', []):
-                converted = JSONFormatters._element_to_cell_bbox_format(element, page_idx)
+                converted = JSONFormatters._element_to_cell_bbox_format(element, page_idx, page_rotation_angle)
                 if converted:
                     page_elements.append(converted)
             
             # 添加丢弃元素
             for element in page.get('discarded_blocks', []):
-                converted = JSONFormatters._element_to_cell_bbox_format(element, page_idx)
+                converted = JSONFormatters._element_to_cell_bbox_format(element, page_idx, page_rotation_angle)
                 if converted:
                     page_elements.append(converted)
             
@@ -262,10 +265,16 @@ class JSONFormatters:
     @staticmethod
     def _element_to_cell_bbox_format(
         element: Dict[str, Any],
-        page_idx: int
+        page_idx: int,
+        page_rotation_angle: float = 0.0
     ) -> Optional[Dict[str, Any]]:
         """
         将元素转换为 mineru_vllm_results_cell_bbox 格式
+        
+        Args:
+            element: 元素字典
+            page_idx: 页面索引
+            page_rotation_angle: 页面旋转角度（0, 90, 180, 270）
         """
         elem_type = element.get('type', '')
         bbox = element.get('bbox', [0, 0, 0, 0])
@@ -277,6 +286,7 @@ class JSONFormatters:
         result = {
             'bbox': bbox,
             'page_idx': page_idx,
+            'page_rotation_angle': page_rotation_angle,
             'reading_order': element.get('reading_order', 0)
         }