diff options
Diffstat (limited to 'drawinglayer/inc/drawinglayer/processor2d/hittestprocessor2d.hxx')
-rw-r--r-- | drawinglayer/inc/drawinglayer/processor2d/hittestprocessor2d.hxx | 114 |
1 files changed, 114 insertions, 0 deletions
diff --git a/drawinglayer/inc/drawinglayer/processor2d/hittestprocessor2d.hxx b/drawinglayer/inc/drawinglayer/processor2d/hittestprocessor2d.hxx new file mode 100644 index 000000000000..be0b40ff2139 --- /dev/null +++ b/drawinglayer/inc/drawinglayer/processor2d/hittestprocessor2d.hxx @@ -0,0 +1,114 @@ +/************************************************************************* + * + * 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 |