diff --git a/docling_core/experimental/serializer/html.py b/docling_core/experimental/serializer/html.py
index 5302325a..7604fc1c 100644
--- a/docling_core/experimental/serializer/html.py
+++ b/docling_core/experimental/serializer/html.py
@@ -57,6 +57,7 @@
NodeItem,
OrderedList,
PictureItem,
+ PictureTabularChartData,
SectionHeaderItem,
TableCell,
TableItem,
@@ -104,6 +105,9 @@ class HTMLParams(CommonParams):
# Allow for different output styles
output_style: HTMLOutputStyle = HTMLOutputStyle.SINGLE_COLUMN
+ # Enable charts to be printed into HTML as tables
+ enable_chart_tables: bool = True
+
class HTMLTextSerializer(BaseModel, BaseTextSerializer):
"""HTML-specific text item serializer."""
@@ -402,9 +406,28 @@ def serialize(
and item.image.uri.scheme == "data"
):
img_text = f')})
'
+
if img_text:
res_parts.append(create_ser_result(text=img_text, span_source=item))
+ if params.enable_chart_tables:
+ # Check if picture has attached PictureTabularChartData
+ tabular_chart_annotations = [
+ ann
+ for ann in item.annotations
+ if isinstance(ann, PictureTabularChartData)
+ ]
+ if len(tabular_chart_annotations) > 0:
+ temp_doc = DoclingDocument(name="temp")
+ temp_table = temp_doc.add_table(
+ data=tabular_chart_annotations[0].chart_data
+ )
+ html_table_content = temp_table.export_to_html(temp_doc)
+ if len(html_table_content) > 0:
+ res_parts.append(
+ create_ser_result(text=html_table_content, span_source=item)
+ )
+
text_res = "".join([r.text for r in res_parts])
if text_res:
text_res = f"{text_res}"
diff --git a/docling_core/types/doc/document.py b/docling_core/types/doc/document.py
index 1696af31..e288d4f6 100644
--- a/docling_core/types/doc/document.py
+++ b/docling_core/types/doc/document.py
@@ -3143,6 +3143,7 @@ def export_to_html( # noqa: C901
from_element: int = 0,
to_element: int = sys.maxsize,
labels: Optional[set[DocItemLabel]] = None,
+ enable_chart_tables: bool = True,
image_mode: ImageRefMode = ImageRefMode.PLACEHOLDER,
formula_to_mathml: bool = True,
page_no: Optional[int] = None,
@@ -3176,6 +3177,7 @@ def export_to_html( # noqa: C901
start_idx=from_element,
stop_idx=to_element,
image_mode=image_mode,
+ enable_chart_tables=enable_chart_tables,
formula_to_mathml=formula_to_mathml,
html_head=html_head,
html_lang=html_lang,
diff --git a/test/data/doc/barchart.dt b/test/data/doc/barchart.dt
new file mode 100644
index 00000000..beb5a2fc
--- /dev/null
+++ b/test/data/doc/barchart.dt
@@ -0,0 +1,3 @@
+Probability, Combinatorics and Control
+Number of impellerssingle-frequencymulti-frequency10.060.1620.120.2630.160.2740.140.2650.160.2560.240.24
+
\ No newline at end of file
diff --git a/test/data/doc/barchart.gt.html b/test/data/doc/barchart.gt.html
new file mode 100644
index 00000000..ff578843
--- /dev/null
+++ b/test/data/doc/barchart.gt.html
@@ -0,0 +1,130 @@
+
+
+
+
+Document
+
+
+
+
+
+
| Number of impellers | single-frequency | multi-frequency |
| 1 | 0.06 | 0.16 |
| 2 | 0.12 | 0.26 |
| 3 | 0.16 | 0.27 |
| 4 | 0.14 | 0.26 |
| 5 | 0.16 | 0.25 |
| 6 | 0.24 | 0.24 |
+