1 files changed, 108 insertions, 0 deletions
diff --git a/include/drawinglayer/processor2d/hittestprocessor2d.hxx b/include/drawinglayer/processor2d/hittestprocessor2d.hxx
new file mode 100644
index 000000000000..fc2ab3252558
--- /dev/null
+++ b/include/drawinglayer/processor2d/hittestprocessor2d.hxx
@@ -0,0 +1,108 @@
+/* -*- 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 .
+ */
+
+#ifndef INCLUDED_DRAWINGLAYER_PROCESSOR2D_HITTESTPROCESSOR2D_HXX
+#define INCLUDED_DRAWINGLAYER_PROCESSOR2D_HITTESTPROCESSOR2D_HXX
+
+#include <drawinglayer/drawinglayerdllapi.h>
+
+#include <drawinglayer/processor2d/baseprocessor2d.hxx>
+
+//////////////////////////////////////////////////////////////////////////////
+// predeclarations
+
+namespace basegfx { class B2DPolygon; }
+namespace basegfx { class B2DPolyPolygon; }
+namespace drawinglayer { namespace primitive2d { class ScenePrimitive2D; }}
+
+//////////////////////////////////////////////////////////////////////////////
+
+namespace drawinglayer
+{
+    namespace processor2d
+    {
+        /** HitTestProcessor2D class
+
+            This processor implements a HitTest with the feeded primitives,
+            given tolerance and extras
+         */
+        class DRAWINGLAYER_DLLPUBLIC HitTestProcessor2D : public BaseProcessor2D
+        {
+        private:
+            /// discrete HitTest position
+            basegfx::B2DPoint           maDiscreteHitPosition;
+
+            /// discrete HitTolerance
+            double                      mfDiscreteHitTolerance;
+
+            /// bitfield
+            unsigned                    mbHit : 1;
+            unsigned                    mbHitToleranceUsed : 1;
+
+            /*  this flag decides if primitives which are embedded to an
+                UnifiedTransparencePrimitive2D and are invisible will be taken into account for
+                HitTesting or not. Those primitives are created for objects which are else
+                completely invisible and normally their content exists of hairline
+                primitives describing the object's contour
+             */
+            unsigned                    mbUseInvisiblePrimitiveContent : 1;
+
+            /// flag to concentraze on text hits only
+            unsigned                    mbHitTextOnly : 1;
+
+            /// tooling methods
+            void processBasePrimitive2D(const primitive2d::BasePrimitive2D& rCandidate);
+            bool checkHairlineHitWithTolerance(
+                const basegfx::B2DPolygon& rPolygon,
+                double fDiscreteHitTolerance);
+            bool checkFillHitWithTolerance(
+                const basegfx::B2DPolyPolygon& rPolyPolygon,
+                double fDiscreteHitTolerance);
+            void check3DHit(const primitive2d::ScenePrimitive2D& rCandidate);
+
+        public:
+            HitTestProcessor2D(
+                const geometry::ViewInformation2D& rViewInformation,
+                const basegfx::B2DPoint& rLogicHitPosition,
+                double fLogicHitTolerance,
+                bool bHitTextOnly);
+            virtual ~HitTestProcessor2D();
+
+            /// data write access
+            void setUseInvisiblePrimitiveContent(bool bNew)
+            {
+                if((bool)mbUseInvisiblePrimitiveContent != bNew) mbUseInvisiblePrimitiveContent = bNew;
+            }
+
+            /// data read access
+            const basegfx::B2DPoint& getDiscreteHitPosition() const { return maDiscreteHitPosition; }
+            double getDiscreteHitTolerance() const { return mfDiscreteHitTolerance; }
+            bool getHit() const { return mbHit; }
+            bool getHitToleranceUsed() const { return mbHitToleranceUsed; }
+            bool getUseInvisiblePrimitiveContent() const { return mbUseInvisiblePrimitiveContent;}
+            bool getHitTextOnly() const { return mbHitTextOnly; }
+        };
+    } // end of namespace processor2d
+} // end of namespace drawinglayer
+
+//////////////////////////////////////////////////////////////////////////////
+
+#endif // INCLUDED_DRAWINGLAYER_PROCESSOR2D_HITTESTPROCESSOR2D_HXX
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */