fix hair & fine cell border export ( followon fix fdo#56960 )

1) align excel binary and oox import filter border thickness values
2) use new fine-dash border style
3) detect & determine hair vrs fine borderline on export

Change-Id: Ieb024bc6f4bfc87c525082c7b9a1f3c444f5c5ca

include/oox/helper/helper.hxx

@@ -88,6 +88,7 @@ const sal_Int32 API_RGB_WHITE               = 0xFFFFFF;  ///< White color for AP
 const sal_Int16 API_LINE_SOLID              = 0;
 const sal_Int16 API_LINE_DOTTED             = 1;
 const sal_Int16 API_LINE_DASHED             = 2;
+const sal_Int16 API_FINE_LINE_DASHED        = 14;
 
 const sal_Int16 API_LINE_NONE               = 0;
 const sal_Int16 API_LINE_HAIR               = 2;

sc/source/filter/excel/xestyle.cxx

@@ -1575,12 +1575,13 @@ void lclGetBorderLine(
                 case table::BorderLineStyle::DOTTED:
                     rnXclLine = EXC_LINE_DOTTED;
                     break;
+                case table::BorderLineStyle::FINE_DASHED:
+                    rnXclLine = EXC_LINE_HAIR;
+                    break;
                 default:
                     break;
             }
         }
-        else if( nOuterWidth >= EXC_BORDER_HAIR )
-            rnXclLine = EXC_LINE_HAIR;
         else
             rnXclLine = EXC_LINE_NONE;
     }

sc/source/filter/excel/xistyle.cxx

@@ -904,7 +904,7 @@ bool lclConvertBorderLine( ::editeng::SvxBorderLine& rLine, const XclImpPalette&
         {   EXC_BORDER_THIN,    table::BorderLineStyle::DOTTED }, // 4 = dotted
         {   EXC_BORDER_THICK,   table::BorderLineStyle::SOLID },  // 5 = thick
         {   EXC_BORDER_THIN,    table::BorderLineStyle::DOUBLE }, // 6 = double
-        {   EXC_BORDER_HAIR,    table::BorderLineStyle::SOLID },  // 7 = hair
+        {   EXC_BORDER_HAIR,    table::BorderLineStyle::FINE_DASHED },  // 7 = hair
         {   EXC_BORDER_MEDIUM,  table::BorderLineStyle::DASHED }, // 8 = med dash
         {   EXC_BORDER_THIN,    table::BorderLineStyle::SOLID },  // 9 = thin dashdot
         {   EXC_BORDER_MEDIUM,  table::BorderLineStyle::SOLID },  // A = med dashdot

sc/source/filter/inc/xlconst.hxx

@@ -254,9 +254,9 @@ const sal_uInt16 EXC_FUTUREREC_ALERT        = 0x0002;
 // TODO: These values are approximate; we should probably tweak these values
 // further to better match Excel's border thickness.
 
-const sal_uInt16 EXC_BORDER_THICK = 16;
-const sal_uInt16 EXC_BORDER_MEDIUM = 12;
-const sal_uInt16 EXC_BORDER_THIN = 4;
+const sal_uInt16 EXC_BORDER_THICK = 30;
+const sal_uInt16 EXC_BORDER_MEDIUM = 20;
+const sal_uInt16 EXC_BORDER_THIN = 1;
 const sal_uInt16 EXC_BORDER_HAIR = 1;
 
 // ============================================================================

sc/source/filter/oox/stylesbuffer.cxx

@@ -1834,7 +1834,7 @@ bool Border::convertBorderLine( BorderLine2& rBorderLine, const BorderLineModel&
                                     break;
         }
         case XML_double:            lclSetBorderLineWidth( rBorderLine, API_LINE_THIN, API_LINE_THIN, API_LINE_THIN ); break;
-        case XML_hair:              lclSetBorderLineWidth( rBorderLine, API_LINE_HAIR );    break;
+        case XML_hair:              lclSetBorderLineWidth( rBorderLine, API_LINE_HAIR ); rBorderLine.LineStyle = API_FINE_LINE_DASHED;   break;
         case XML_medium:            lclSetBorderLineWidth( rBorderLine, API_LINE_MEDIUM );  break;
         case XML_mediumDashDot:     lclSetBorderLineWidth( rBorderLine, API_LINE_MEDIUM );  break;
         case XML_mediumDashDotDot:  lclSetBorderLineWidth( rBorderLine, API_LINE_MEDIUM );  break;