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+/* -*- 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>
+
+namespace basegfx { class B2DPolygon; }
+namespace basegfx { class B2DPolyPolygon; }
+namespace drawinglayer::primitive2d { class ScenePrimitive2D; }
+
+namespace drawinglayer
+{
+ namespace processor2d
+ {
+ /** HitTestProcessor2D class
+
+ This processor implements a HitTest with the fed primitives,
+ given tolerance and extras
+ */
+ class DRAWINGLAYER_DLLPUBLIC HitTestProcessor2D final : public BaseProcessor2D
+ {
+ private:
+ /// discrete HitTest position
+ basegfx::B2DPoint maDiscreteHitPosition;
+
+ /// discrete HitTolerance
+ double mfDiscreteHitTolerance;
+
+ /// stack of HitPrimitives, taken care of during HitTest run
+ primitive2d::Primitive2DContainer maHitStack;
+
+ /// flag if HitStack shall be collected as part of the result, default is false
+ bool mbCollectHitStack : 1;
+
+ /// Boolean to flag if a hit was found. If yes, fast exit is taken
+ bool mbHit : 1;
+
+ /// flag to concentrate on text hits only
+ bool mbHitTextOnly : 1;
+
+ /// tooling methods
+ void processBasePrimitive2D(const primitive2d::BasePrimitive2D& rCandidate) override;
+ bool checkHairlineHitWithTolerance(
+ const basegfx::B2DPolygon& rPolygon,
+ double fDiscreteHitTolerance) const;
+ bool checkFillHitWithTolerance(
+ const basegfx::B2DPolyPolygon& rPolyPolygon,
+ double fDiscreteHitTolerance) const;
+ void check3DHit(const primitive2d::ScenePrimitive2D& rCandidate);
+
+ public:
+ HitTestProcessor2D(
+ const geometry::ViewInformation2D& rViewInformation,
+ const basegfx::B2DPoint& rLogicHitPosition,
+ double fLogicHitTolerance,
+ bool bHitTextOnly);
+ virtual ~HitTestProcessor2D() override;
+
+ /// switch on collecting primitives for a found hit on maHitStack, default is off
+ void collectHitStack(bool bCollect) { mbCollectHitStack = bCollect; }
+
+ /// get HitStack of primitives, first is the one that created the hit, last is the
+ /// top-most
+ const primitive2d::Primitive2DContainer& getHitStack() const { return maHitStack; }
+
+ /// data read access
+ const basegfx::B2DPoint& getDiscreteHitPosition() const { return maDiscreteHitPosition; }
+ double getDiscreteHitTolerance() const { return mfDiscreteHitTolerance; }
+ bool getCollectHitStack() const { return mbCollectHitStack; }
+ bool getHit() const { return mbHit; }
+ 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: */