tdf#107792 vcl: simplify SetLineColor()

Change-Id: Ie40ef8f4c0b8fe510ead1e8ad66bce88ee6cb913
Reviewed-on: https://gerrit.libreoffice.org/64842
Tested-by: Jenkins
Reviewed-by: Mike Kaganski <mike.kaganski@collabora.com>

vcl/win/gdi/gdiimpl.cxx

@@ -1361,50 +1361,58 @@ void WinSalGraphicsImpl::SetLineColor()
     mbStockPen  = TRUE;
 }
 
-void WinSalGraphicsImpl::SetLineColor( Color nColor )
+void WinSalGraphicsImpl::SetLineColor(Color nColor)
 {
+    COLORREF nPenColor = PALETTERGB(nColor.GetRed(),
+                                    nColor.GetGreen(),
+                                    nColor.GetBlue());
+    bool bStockPen = false;
+
+    HPEN hNewPen = SearchStockPen(nPenColor);
+    if (hNewPen)
+        bStockPen = true;
+    else
+        hNewPen = MakePen(nColor, nPenColor);
+
+    ResetPen(hNewPen);
+
+    // set new data
+    mnPenColor  = nPenColor;
     maLineColor = nColor;
-    COLORREF    nPenColor = PALETTERGB( nColor.GetRed(),
-                                        nColor.GetGreen(),
-                                        nColor.GetBlue() );
-    HPEN        hNewPen = nullptr;
-    bool        bStockPen = FALSE;
+    mbPen       = TRUE;
+    mbStockPen  = bStockPen;
+}
 
-    // search for stock pen (only screen, because printer have problems,
-    // when we use stock objects)
-    if ( !mrParent.isPrinter() )
+HPEN WinSalGraphicsImpl::SearchStockPen(COLORREF nPenColor)
+{
+    // Only screen, because printer has problems, when we use stock objects.
+    if (mrParent.isPrinter())
     {
-        SalData* pSalData = GetSalData();
-        for ( sal_uInt16 i = 0; i < pSalData->mnStockPenCount; i++ )
-        {
-            if ( nPenColor == pSalData->maStockPenColorAry[i] )
-            {
-                hNewPen = pSalData->mhStockPenAry[i];
-                bStockPen = TRUE;
-                break;
-            }
-        }
+        return nullptr;
     }
 
-    // create new pen
-    if ( !hNewPen )
+    const SalData* pSalData = GetSalData();
+
+    for (sal_uInt16 i = 0; i < pSalData->mnStockPenCount; i++)
     {
-        if ( !mrParent.isPrinter() )
+        if (nPenColor == pSalData->maStockPenColorAry[i])
+            return pSalData->mhStockPenAry[i];
+    }
+
+    return nullptr;
+}
+
+HPEN WinSalGraphicsImpl::MakePen(Color nColor, COLORREF nPenColor)
+{
+    if (!mrParent.isPrinter())
+    {
+        if (GetSalData()->mhDitherPal && ImplIsSysColorEntry(nColor))
         {
-            if ( GetSalData()->mhDitherPal && ImplIsSysColorEntry( nColor ) )
-                nPenColor = PALRGB_TO_RGB( nPenColor );
+            nPenColor = PALRGB_TO_RGB(nPenColor);
         }
-
-        hNewPen = CreatePen( PS_SOLID, mrParent.mnPenWidth, nPenColor );
-        bStockPen = FALSE;
     }
 
-    ResetPen(hNewPen);
-
-    // set new data
-    mnPenColor  = nPenColor;
-    mbPen       = TRUE;
-    mbStockPen  = bStockPen;
+    return CreatePen(PS_SOLID, mrParent.mnPenWidth, nPenColor);
 }
 
 void WinSalGraphicsImpl::ResetPen(HPEN hNewPen)

vcl/win/gdi/gdiimpl.hxx

@@ -52,7 +52,10 @@ private:
     bool tryDrawBitmapGdiPlus(const SalTwoRect& rTR, const SalBitmap& rSrcBitmap);
     void drawPixelImpl( long nX, long nY, COLORREF crColor );
 
+    HPEN SearchStockPen(COLORREF nPenColor);
+    HPEN MakePen(Color nColor, COLORREF nPenColor);
     void ResetPen(HPEN hNewPen);
+
     void ResetBrush(HBRUSH hNewBrush);
 public: