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Diffstat (limited to 'include/canvas/parametricpolypolygon.hxx')
| -rw-r--r-- | include/canvas/parametricpolypolygon.hxx | 161 |
1 files changed, 161 insertions, 0 deletions
diff --git a/include/canvas/parametricpolypolygon.hxx b/include/canvas/parametricpolypolygon.hxx new file mode 100644 index 000000000000..2e8cb7af45fb --- /dev/null +++ b/include/canvas/parametricpolypolygon.hxx @@ -0,0 +1,161 @@ +/* -*- 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_CANVAS_PARAMETRICPOLYPOLYGON_HXX +#define INCLUDED_CANVAS_PARAMETRICPOLYPOLYGON_HXX + +#include <com/sun/star/lang/XServiceInfo.hpp> +#include <com/sun/star/rendering/XGraphicDevice.hpp> +#include <com/sun/star/rendering/XParametricPolyPolygon2D.hpp> +#include <cppuhelper/compbase2.hxx> +#include <comphelper/broadcasthelper.hxx> +#include <basegfx/polygon/b2dpolygon.hxx> + +#include <boost/utility.hpp> +#include <canvas/canvastoolsdllapi.h> + +namespace basegfx +{ + class B2DPolygon; + class B2DHomMatrix; +} + + +/* Definition of ParametricPolyPolygon class */ + +namespace canvas +{ + typedef ::cppu::WeakComponentImplHelper2< ::com::sun::star::rendering::XParametricPolyPolygon2D, + ::com::sun::star::lang::XServiceInfo > ParametricPolyPolygon_Base; + + class CANVASTOOLS_DLLPUBLIC ParametricPolyPolygon : public ::comphelper::OBaseMutex, + public ParametricPolyPolygon_Base, + private ::boost::noncopyable + { + public: + enum GradientType + { + GRADIENT_LINEAR, + GRADIENT_ELLIPTICAL, + GRADIENT_RECTANGULAR + }; + + /** Structure of defining values for the ParametricPolyPolygon + + This is used to copy the state of the + ParametricPolyPolygon atomically. + */ + struct Values + { + Values( const ::basegfx::B2DPolygon& rGradientPoly, + const ::com::sun::star::uno::Sequence< ::com::sun::star::uno::Sequence< double > >& rColors, + const ::com::sun::star::uno::Sequence< double >& rStops, + double nAspectRatio, + GradientType eType ) : + maGradientPoly( rGradientPoly ), + mnAspectRatio( nAspectRatio ), + maColors( rColors ), + maStops( rStops ), + meType( eType ) + { + } + + /// Polygonal gradient shape (ignored for linear and axial gradient) + const ::basegfx::B2DPolygon maGradientPoly; + + /// Aspect ratio of gradient, affects scaling of innermost gradient polygon + const double mnAspectRatio; + + /// Gradient colors + const ::com::sun::star::uno::Sequence< ::com::sun::star::uno::Sequence< double > > maColors; + + /// Gradient color stops + const ::com::sun::star::uno::Sequence< double > maStops; + + /// Type of gradient to render (as e.g. linear grads are not represented by maGradientPoly) + const GradientType meType; + }; + + static ::com::sun::star::uno::Sequence< OUString > getAvailableServiceNames(); + static ParametricPolyPolygon* create( + const ::com::sun::star::uno::Reference< ::com::sun::star::rendering::XGraphicDevice >& rDevice, + const OUString& rServiceName, + const ::com::sun::star::uno::Sequence< ::com::sun::star::uno::Any >& rArgs ); + + /// Dispose all internal references + virtual void SAL_CALL disposing(); + + // XParametricPolyPolygon2D + virtual ::com::sun::star::uno::Reference< ::com::sun::star::rendering::XPolyPolygon2D > SAL_CALL getOutline( double t ) throw (::com::sun::star::lang::IllegalArgumentException, ::com::sun::star::uno::RuntimeException); + virtual ::com::sun::star::uno::Sequence< double > SAL_CALL getColor( double t ) throw (::com::sun::star::lang::IllegalArgumentException, ::com::sun::star::uno::RuntimeException); + virtual ::com::sun::star::uno::Sequence< double > SAL_CALL getPointColor( const ::com::sun::star::geometry::RealPoint2D& point ) throw (::com::sun::star::lang::IllegalArgumentException, ::com::sun::star::uno::RuntimeException); + virtual ::com::sun::star::uno::Reference< ::com::sun::star::rendering::XColorSpace > SAL_CALL getColorSpace() throw (::com::sun::star::uno::RuntimeException); + + // XServiceInfo + virtual OUString SAL_CALL getImplementationName( ) throw (::com::sun::star::uno::RuntimeException); + virtual sal_Bool SAL_CALL supportsService( const OUString& ServiceName ) throw (::com::sun::star::uno::RuntimeException); + virtual ::com::sun::star::uno::Sequence< OUString > SAL_CALL getSupportedServiceNames( ) throw (::com::sun::star::uno::RuntimeException); + + /// Query all defining values of this object atomically + Values getValues() const; + + protected: + ~ParametricPolyPolygon(); // we're a ref-counted UNO class. _We_ destroy ourselves. + + private: + static ParametricPolyPolygon* createLinearHorizontalGradient( const ::com::sun::star::uno::Reference< + ::com::sun::star::rendering::XGraphicDevice >& rDevice, + const ::com::sun::star::uno::Sequence< ::com::sun::star::uno::Sequence< double > >& colors, + const ::com::sun::star::uno::Sequence< double >& stops ); + static ParametricPolyPolygon* createEllipticalGradient( const ::com::sun::star::uno::Reference< + ::com::sun::star::rendering::XGraphicDevice >& rDevice, + const ::com::sun::star::uno::Sequence< ::com::sun::star::uno::Sequence< double > >& colors, + const ::com::sun::star::uno::Sequence< double >& stops, + double fAspect ); + static ParametricPolyPolygon* createRectangularGradient( const ::com::sun::star::uno::Reference< + ::com::sun::star::rendering::XGraphicDevice >& rDevice, + const ::com::sun::star::uno::Sequence< ::com::sun::star::uno::Sequence< double > >& colors, + const ::com::sun::star::uno::Sequence< double >& stops, + double fAspect ); + + /// Private, because objects can only be created from the static factories + ParametricPolyPolygon( const ::com::sun::star::uno::Reference< + ::com::sun::star::rendering::XGraphicDevice >& rDevice, + const ::basegfx::B2DPolygon& rGradientPoly, + GradientType eType, + const ::com::sun::star::uno::Sequence< ::com::sun::star::uno::Sequence< double > >& colors, + const ::com::sun::star::uno::Sequence< double >& stops, + double nAspectRatio ); + ParametricPolyPolygon( const ::com::sun::star::uno::Reference< + ::com::sun::star::rendering::XGraphicDevice >& rDevice, + GradientType eType, + const ::com::sun::star::uno::Sequence< ::com::sun::star::uno::Sequence< double > >& colors, + const ::com::sun::star::uno::Sequence< double >& stops ); + + ::com::sun::star::uno::Reference< + ::com::sun::star::rendering::XGraphicDevice > mxDevice; + + /// All defining values of this object + const Values maValues; + }; +} + +#endif /* INCLUDED_CANVAS_PARAMETRICPOLYPOLYGON_HXX */ + +/* vim:set shiftwidth=4 softtabstop=4 expandtab: */ |