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+/*************************************************************************
+ *
+ * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
+ *
+ * Copyright 2000, 2010 Oracle and/or its affiliates.
+ *
+ * OpenOffice.org - a multi-platform office productivity suite
+ *
+ * This file is part of OpenOffice.org.
+ *
+ * OpenOffice.org is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Lesser General Public License version 3
+ * only, as published by the Free Software Foundation.
+ *
+ * OpenOffice.org is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU Lesser General Public License version 3 for more details
+ * (a copy is included in the LICENSE file that accompanied this code).
+ *
+ * You should have received a copy of the GNU Lesser General Public License
+ * version 3 along with OpenOffice.org. If not, see
+ * <http://www.openoffice.org/license.html>
+ * for a copy of the LGPLv3 License.
+ *
+ ************************************************************************/
+
+#ifndef INCLUDED_DRAWINGLAYER_PROCESSOR2D_HITTESTPROCESSOR2D_HXX
+#define INCLUDED_DRAWINGLAYER_PROCESSOR2D_HITTESTPROCESSOR2D_HXX
+
+#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 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
+
+// eof