直近親要素までアンダーライン対応

abvw/common/js/html2canvas.js

@@ -722,6 +722,13 @@ var NodeContainer = function () {
 
         var position = (0, _position.parsePosition)(style.position);
 
+        var parentStyle = node.parentNode.style;
+        if (style.textDecoration === 'none' && parentStyle && parentStyle.textDecoration) {
+            style.parentTextDecoration = parentStyle.textDecoration;
+            style.parentTextDecorationColor = parentStyle.textDecorationColor;
+            style.parentTextDecorationStyle = parentStyle.textDecorationStyle;
+        }
+
         this.style = {
             background: IS_INPUT ? _Input.INPUT_BACKGROUND : (0, _background.parseBackground)(style, resourceLoader),
             border: IS_INPUT ? _Input.INPUT_BORDERS : (0, _border.parseBorder)(style),
@@ -1856,13 +1863,13 @@ var parseTextDecorationStyle = function parseTextDecorationStyle(style) {
 };
 
 var parseTextDecoration = exports.parseTextDecoration = function parseTextDecoration(style) {
-    var textDecorationLine = parseTextDecorationLine(style.textDecorationLine ? style.textDecorationLine : style.textDecoration);
+    var textDecorationLine = parseTextDecorationLine(style.parentTextDecoration ? style.parentTextDecoration : style.textDecorationLine ? style.textDecorationLine : style.textDecoration);
     if (textDecorationLine === null) {
         return TEXT_DECORATION.NONE;
     }
 
-    var textDecorationColor = style.textDecorationColor ? new _Color2.default(style.textDecorationColor) : null;
-    var textDecorationStyle = parseTextDecorationStyle(style.textDecorationStyle);
+    var textDecorationColor = style.parentTextDecorationColor ? style.parentTextDecorationColor : style.textDecorationColor ? new _Color2.default(style.textDecorationColor) : null;
+    var textDecorationStyle = style.parentTextDecorationStyle ? style.parentTextDecorationStyle : parseTextDecorationStyle(style.textDecorationStyle);
 
     return {
         textDecorationLine: textDecorationLine,