tdf#88548 fontwork gallery always have transparent/checkered background.

Change-Id: I8995ef12edb64c14788ba3a2c3c1c2ceb3775b11
(cherry picked from commit 9b322ace)
Reviewed-on: https://gerrit.libreoffice.org/19642Reviewed-by: Katarina Behrens <Katarina.Behrens@cib.de>
Tested-by: Katarina Behrens <Katarina.Behrens@cib.de>

officecfg/registry/schema/org/openoffice/Office/Common.xcs

@@ -6405,7 +6405,7 @@
           </desc>
           <label>Shows previews with shining through checkered background to visualize transparency.</label>
          </info>
-         <value>true</value>
+         <value>false</value>
        </prop>
     </group>
     <group oor:name="ExternalApps" oor:extensible="true">

svx/source/gallery2/galctrl.cxx

@@ -257,23 +257,13 @@ void GalleryPreview::PreviewMedia( const INetURLObject& rURL )
 
 void drawTransparenceBackground(vcl::RenderContext& rOut, const Point& rPos, const Size& rSize)
 {
-    const StyleSettings& rStyleSettings = Application::GetSettings().GetStyleSettings();
 
-    if (rStyleSettings.GetPreviewUsesCheckeredBackground())
-    {
     // draw checkered background
     static const sal_uInt32 nLen(8);
     static const Color aW(COL_WHITE);
     static const Color aG(0xef, 0xef, 0xef);
 
     rOut.DrawCheckered(rPos, rSize, nLen, aW, aG);
-    }
-    else
-    {
-        rOut.SetLineColor();
-        rOut.SetFillColor(rStyleSettings.GetFieldColor());
-        rOut.DrawRect(Rectangle(rPos, rSize));
-    }
 }
 
 GalleryIconView::GalleryIconView( GalleryBrowser2* pParent, GalleryTheme* pTheme ) :

svx/source/tbxctrls/fontworkgallery.cxx

@@ -116,7 +116,6 @@ void FontWorkGalleryDialog::initFavorites(sal_uInt16 nThemeId)
 
     sal_uInt32 nModelPos;
     FmFormModel *pModel = NULL;
-    const StyleSettings& rStyleSettings = Application::GetSettings().GetStyleSettings();
 
     for( nModelPos = 0; nModelPos < nFavCount; nModelPos++ )
     {
@@ -134,19 +133,11 @@ void FontWorkGalleryDialog::initFavorites(sal_uInt16 nThemeId)
 
             pVDev->SetOutputSizePixel(aSize);
 
-            if(rStyleSettings.GetPreviewUsesCheckeredBackground())
-            {
             static const sal_uInt32 nLen(8);
             static const Color aW(COL_WHITE);
             static const Color aG(0xef, 0xef, 0xef);
 
             pVDev->DrawCheckered(aNull, aSize, nLen, aW, aG);
-            }
-            else
-            {
-                pVDev->SetBackground(rStyleSettings.GetFieldColor());
-                pVDev->Erase();
-            }
 
             pVDev->DrawBitmapEx(aNull, aThumb);
             maFavoritesHorizontal.push_back(pVDev->GetBitmap(aNull, aSize));