1 files changed, 117 insertions, 0 deletions
diff --git a/sw/source/core/crsr/overlayrangesoutline.cxx b/sw/source/core/crsr/overlayrangesoutline.cxx
new file mode 100644
index 000000000000..3859463f772c
--- /dev/null
+++ b/sw/source/core/crsr/overlayrangesoutline.cxx
@@ -0,0 +1,117 @@
+/**************************************************************
+*
+* 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
+*
+* Unless required by applicable law or agreed to in writing,
+* software distributed under the License is distributed on an
+* "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+* KIND, either express or implied.  See the License for the
+* specific language governing permissions and limitations
+* under the License.
+*
+*************************************************************/
+
+
+// MARKER(update_precomp.py): autogen include statement, do not remove
+#include "precompiled_sw.hxx"
+
+#include <overlayrangesoutline.hxx>
+#include <svx/sdr/overlay/overlaymanager.hxx>
+#include <basegfx/polygon/b2dpolygon.hxx>
+#include <basegfx/polygon/b2dpolypolygon.hxx>
+#include <basegfx/polygon/b2dpolygontools.hxx>
+#include <basegfx/polygon/b2dpolypolygoncutter.hxx>
+#include <drawinglayer/primitive2d/polypolygonprimitive2d.hxx>
+
+//////////////////////////////////////////////////////////////////////////////
+
+namespace
+{
+    // combine ranges geometrically to a single, ORed polygon
+    basegfx::B2DPolyPolygon impCombineRangesToPolyPolygon(const std::vector< basegfx::B2DRange >& rRanges)
+    {
+        const sal_uInt32 nCount(rRanges.size());
+        basegfx::B2DPolyPolygon aRetval;
+
+        for(sal_uInt32 a(0); a < nCount; a++)
+        {
+            const basegfx::B2DPolygon aDiscretePolygon(basegfx::tools::createPolygonFromRect(rRanges[a]));
+
+            if(0 == a)
+            {
+                aRetval.append(aDiscretePolygon);
+            }
+            else
+            {
+                aRetval = basegfx::tools::solvePolygonOperationOr(aRetval, basegfx::B2DPolyPolygon(aDiscretePolygon));
+            }
+        }
+
+        return aRetval;
+    }
+}
+
+namespace sw
+{
+    namespace overlay
+    {
+        drawinglayer::primitive2d::Primitive2DSequence OverlayRangesOutline::createOverlayObjectPrimitive2DSequence()
+        {
+            drawinglayer::primitive2d::Primitive2DSequence aRetval;
+            const sal_uInt32 nCount(getRanges().size());
+
+            if( nCount )
+            {
+                const basegfx::BColor aRGBColor(getBaseColor().getBColor());
+                const basegfx::B2DPolyPolygon aPolyPolygon(impCombineRangesToPolyPolygon(getRanges()));
+                const drawinglayer::primitive2d::Primitive2DReference aOutline(
+                    new drawinglayer::primitive2d::PolyPolygonHairlinePrimitive2D(
+                    aPolyPolygon,
+                    aRGBColor));
+
+                aRetval.realloc(1);
+                aRetval[0] = aOutline;
+            }
+
+            return aRetval;
+        }
+
+        OverlayRangesOutline::OverlayRangesOutline(
+            const Color& rColor,
+            const std::vector< basegfx::B2DRange >& rRanges )
+            : sdr::overlay::OverlayObject(rColor)
+            , maRanges(rRanges)
+        {
+            // no AA for highlight overlays
+            allowAntiAliase(false);
+        }
+
+        OverlayRangesOutline::~OverlayRangesOutline()
+        {
+            if( getOverlayManager() )
+            {
+                getOverlayManager()->remove(*this);
+            }
+        }
+
+        void OverlayRangesOutline::setRanges(const std::vector< basegfx::B2DRange >& rNew)
+        {
+            if(rNew != maRanges)
+            {
+                maRanges = rNew;
+                objectChange();
+            }
+        }
+    } // end of namespace overlay
+} // end of namespace sdr
+
+//////////////////////////////////////////////////////////////////////////////
+// eof