1 files changed, 113 insertions, 0 deletions
diff --git a/sw/source/core/text/txtpaint.cxx b/sw/source/core/text/txtpaint.cxx
new file mode 100644
index 000000000..e2292d70b
--- /dev/null
+++ b/sw/source/core/text/txtpaint.cxx
@@ -0,0 +1,113 @@
+/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
+/*
+ * This file is part of the LibreOffice project.
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/.
+ *
+ * This file incorporates work covered by the following license notice:
+ *
+ *   Licensed to the Apache Software Foundation (ASF) under one or more
+ *   contributor license agreements. See the NOTICE file distributed
+ *   with this work for additional information regarding copyright
+ *   ownership. The ASF licenses this file to you under the Apache
+ *   License, Version 2.0 (the "License"); you may not use this file
+ *   except in compliance with the License. You may obtain a copy of
+ *   the License at http://www.apache.org/licenses/LICENSE-2.0 .
+ */
+
+#include "txtpaint.hxx"
+#include <txtfrm.hxx>
+#include <swrect.hxx>
+#include <rootfrm.hxx>
+
+SwSaveClip::~SwSaveClip()
+{
+    // We recover the old state
+    if( pOut && bChg )
+    {
+        if ( pOut->GetConnectMetaFile() )
+            pOut->Pop();
+        else
+        {
+            if( bOn )
+                pOut->SetClipRegion( aClip );
+            else
+                pOut->SetClipRegion();
+        }
+        bChg = false;
+    }
+}
+
+void SwSaveClip::ChgClip_( const SwRect &rRect, const SwTextFrame* pFrame,
+                           bool bEnlargeRect,
+                           sal_Int32 nEnlargeTop,
+                           sal_Int32 nEnlargeBottom )
+{
+    SwRect aOldRect( rRect );
+    const bool bVertical = pFrame && pFrame->IsVertical();
+
+    if ( pFrame && pFrame->IsRightToLeft() )
+        pFrame->SwitchLTRtoRTL( const_cast<SwRect&>(rRect) );
+
+    if ( bVertical )
+        pFrame->SwitchHorizontalToVertical( const_cast<SwRect&>(rRect) );
+
+    if ( !pOut || (!rRect.HasArea() && !pOut->IsClipRegion()) )
+    {
+        const_cast<SwRect&>(rRect) = aOldRect;
+        return;
+    }
+
+    if ( !bChg )
+    {
+        if ( pOut->GetConnectMetaFile() )
+            pOut->Push();
+        else if ( bOn )
+            aClip = pOut->GetClipRegion();
+    }
+
+    if ( !rRect.HasArea() )
+        pOut->SetClipRegion();
+    else
+    {
+        tools::Rectangle aRect( rRect.SVRect() );
+
+        // Having underscores in our line, we enlarged the repaint area
+        // (see frmform.cxx) because for some fonts it could be too small.
+        // Consequently, we have to enlarge the clipping rectangle as well.
+        if ( bEnlargeRect && ! bVertical )
+            aRect.AdjustBottom(40 );
+
+        // enlarge clip for paragraph margins at small fixed line height
+        if ( nEnlargeTop > 0 )
+            aRect.AdjustTop( -nEnlargeTop );
+
+        if ( nEnlargeBottom > 0 )
+            aRect.AdjustBottom( nEnlargeBottom );
+
+        // If the ClipRect is identical, nothing will happen
+        if( pOut->IsClipRegion() ) // no && because of Mac
+        {
+            if ( aRect == pOut->GetClipRegion().GetBoundRect() )
+            {
+                const_cast<SwRect&>(rRect) = aOldRect;
+                return;
+            }
+        }
+
+        if( SwRootFrame::HasSameRect( rRect ) )
+            pOut->SetClipRegion();
+        else
+        {
+            const vcl::Region aClipRegion( aRect );
+            pOut->SetClipRegion( aClipRegion );
+        }
+    }
+    bChg = true;
+
+    const_cast<SwRect&>(rRect) = aOldRect;
+}
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */