feat: 完成 DOCX 视觉门禁与字体兼容映射

packages/docx-engine/src/styles-transform.ts

@@ -108,6 +108,7 @@ function setParagraphSpacing(
   options: {
     beforePt: number;
     afterPt: number;
+    fontSizePt: number;
     lineSpacing: number;
     firstLineIndentChars?: number;
   }
@@ -116,8 +117,10 @@ function setParagraphSpacing(
   appendElement(parent, WORD_NAMESPACE, "w:spacing", {
     "w:before": pointsToTwips(options.beforePt),
     "w:after": pointsToTwips(options.afterPt),
-    "w:line": String(Math.round(options.lineSpacing * 240)),
-    "w:lineRule": "auto"
+    "w:line": pointsToTwips(
+      options.fontSizePt * options.lineSpacing
+    ),
+    "w:lineRule": "exact"
   });
   if (options.firstLineIndentChars !== undefined) {
     appendElement(parent, WORD_NAMESPACE, "w:ind", {
@@ -208,6 +211,38 @@ function fallbackFontsForSlot(
   return fallback.body.fonts;
 }
 
+function fallbackFontSizeForSlot(
+  slot: DocxStyleSlotName,
+  fallback: ResolvedDocxThemeStyle
+) {
+  const headingMatch = /^heading-([1-6])$/u.exec(slot);
+  if (headingMatch) {
+    return fallback.headings.sizesPt[
+      Number.parseInt(headingMatch[1]!, 10) - 1
+    ]!;
+  }
+  if (slot === "document-title") {
+    return fallback.headings.sizesPt[0] + 4;
+  }
+  if (slot.endsWith("-title")) {
+    return fallback.headings.sizesPt[0];
+  }
+  if (slot === "inline-code" || slot === "code-block") {
+    return fallback.code.sizePt;
+  }
+  if (
+    slot === "table" ||
+    slot === "table-header" ||
+    slot === "table-cell"
+  ) {
+    return fallback.table.sizePt;
+  }
+  if (slot === "caption") {
+    return fallback.caption.sizePt;
+  }
+  return fallback.body.sizePt;
+}
+
 function applyTokenRunStyle(
   parent: XmlElement,
   token: DocxSlotStyleToken,
@@ -306,7 +341,8 @@ function applyTokenBorders(
 
 function applyTokenParagraphStyle(
   parent: XmlElement,
-  token: DocxSlotStyleToken
+  token: DocxSlotStyleToken,
+  fallbackFontSizePt: number
 ) {
   if (
     token.spacingBeforePt !== undefined ||
@@ -336,9 +372,12 @@ function applyTokenParagraphStyle(
       setWordAttribute(
         spacing,
         "line",
-        String(Math.round(token.lineSpacing * 240))
+        pointsToTwips(
+          (token.fontSizePt ?? fallbackFontSizePt) *
+            token.lineSpacing
+        )
       );
-      setWordAttribute(spacing, "lineRule", "auto");
+      setWordAttribute(spacing, "lineRule", "exact");
     }
   }
   if (
@@ -440,6 +479,7 @@ function applyBodyStyle(
   setParagraphSpacing(defaultParagraph, {
     beforePt: style.body.spacingBeforePt,
     afterPt: style.body.spacingAfterPt,
+    fontSizePt: style.body.sizePt,
     lineSpacing: style.body.lineSpacing,
     firstLineIndentChars: style.body.firstLineIndentChars
   });
@@ -466,6 +506,7 @@ function applyBodyStyle(
     setParagraphSpacing(pPr, {
       beforePt: style.body.spacingBeforePt,
       afterPt: style.body.spacingAfterPt,
+      fontSizePt: style.body.sizePt,
       lineSpacing: style.body.lineSpacing,
       firstLineIndentChars: style.body.firstLineIndentChars
     });
@@ -492,6 +533,7 @@ function applyBodyStyle(
     {
       beforePt: 0,
       afterPt: 0,
+      fontSizePt: style.body.sizePt,
       lineSpacing: style.body.lineSpacing,
       firstLineIndentChars: 0
     }
@@ -525,6 +567,7 @@ function applyHeadings(
         setParagraphSpacing(pPr, {
           beforePt: style.headings.spacingBeforePt,
           afterPt: style.headings.spacingAfterPt,
+          fontSizePt: sizePt,
           lineSpacing: 1.25
         });
         if (!firstDirectChild(pPr, WORD_NAMESPACE, "keepNext")) {
@@ -569,6 +612,7 @@ function applyHeadings(
       setParagraphSpacing(pPr, {
         beforePt: 0,
         afterPt: style.headings.spacingAfterPt,
+        fontSizePt: sizePt,
         lineSpacing: 1.25
       });
       removeDirectChildren(pPr, WORD_NAMESPACE, "jc");
@@ -622,6 +666,7 @@ function applyCodeAndQuote(
   setParagraphSpacing(codePPr, {
     beforePt: 3,
     afterPt: 3,
+    fontSizePt: style.code.sizePt,
     lineSpacing: style.code.lineSpacing,
     firstLineIndentChars: 0
   });
@@ -668,6 +713,7 @@ function applyCodeAndQuote(
   setParagraphSpacing(quotePPr, {
     beforePt: 6,
     afterPt: 6,
+    fontSizePt: style.body.sizePt,
     lineSpacing: style.body.lineSpacing,
     firstLineIndentChars: 0
   });
@@ -813,6 +859,7 @@ function applyTableAndCaption(
     setParagraphSpacing(pPr, {
       beforePt: 3,
       afterPt: 6,
+      fontSizePt: style.caption.sizePt,
       lineSpacing: 1.25
     });
     removeDirectChildren(pPr, WORD_NAMESPACE, "jc");
@@ -1002,7 +1049,8 @@ function applyTokenStyles(
           WORD_NAMESPACE,
           "w:pPr"
         ),
-        documentToken
+        documentToken,
+        documentToken.fontSizePt ?? fallback.body.sizePt
       );
     }
   }
@@ -1025,7 +1073,8 @@ function applyTokenStyles(
             WORD_NAMESPACE,
             "w:pPr"
           ),
-          entry.style
+          entry.style,
+          fallbackFontSizeForSlot(slot, fallback)
         );
       }
       applyTokenRunStyle(