feat: update table cell style to support new font size types and adjust related tests

Author: ya7010

src/pptxr/_pptx/shape/table.py

@@ -4,10 +4,10 @@
 
 from pptx.enum.text import MSO_VERTICAL_ANCHOR, PP_ALIGN
 from pptx.shapes.graphfrm import GraphicFrame
-from pptx.util import Pt
 
-from pptxr.types._length import Length, LiteralLength
+from pptxr.types._length import Length, LiteralLength, LiteralPoint, Point
 
+from ..converter import to_pptx_length
 from . import Shape
 
 DataFrame: TypeAlias = list[list[str]]
@@ -20,7 +20,7 @@ class TableCellStyle(TypedDict):
     vertical_align: NotRequired[Literal["top", "middle", "bottom"]]
     bold: NotRequired[bool]
     italic: NotRequired[bool]
-    font_size: NotRequired[int]  # ポイントサイズで指定
+    font_size: NotRequired[Point | LiteralPoint]
     font_name: NotRequired[str]
 
 
@@ -122,7 +122,9 @@ def __init__(
                                     run.font.italic = cell_style["italic"]
 
                                 if "font_size" in cell_style:
-                                    run.font.size = Pt(cell_style["font_size"])
+                                    run.font.size = to_pptx_length(
+                                        cell_style["font_size"]
+                                    )
 
                                 if "font_name" in cell_style:
                                     run.font.name = cell_style["font_name"]

src/pptxr/types/_length.py

@@ -7,12 +7,11 @@
 POINTS_PER_INCH = 72  # 1 inch = 72 points
 CM_PER_INCH = 2.54  # 1 inch = 2.54 cm
 
+LiteralPoint = tuple[int, Literal["pt"]]
+LiteralInch = tuple[float, Literal["in"]]
+LiteralCentimeter = tuple[float, Literal["cm"]]
 
-LiteralLength = (
-    tuple[int, Literal["pt"]]
-    | tuple[float, Literal["in"]]
-    | tuple[float, Literal["cm"]]
-)
+LiteralLength = LiteralPoint | LiteralInch | LiteralCentimeter
 
 
 class Inch:

tests/test_presentation.py

@@ -62,9 +62,9 @@ def test_create_presentation_with_styled_table(output: pathlib.Path) -> None:
 
     cell_styles: list[list[TableCellStyle]] = [
         [
-            {"bold": True, "font_size": 14, "text_align": "center"},
-            {"bold": True, "font_size": 14, "text_align": "center"},
-            {"bold": True, "font_size": 14, "text_align": "center"},
+            {"bold": True, "font_size": (14, "pt"), "text_align": "center"},
+            {"bold": True, "font_size": (14, "pt"), "text_align": "center"},
+            {"bold": True, "font_size": (14, "pt"), "text_align": "center"},
         ],
         [
             {"text_align": "left", "vertical_align": "middle"},