parametricpolypolygon.hxx

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#pragma once
 
#include <com/sun/star/lang/XServiceInfo.hpp>
#include <com/sun/star/rendering/XParametricPolyPolygon2D.hpp>
#include <comphelper/compbase.hxx>
#include <basegfx/polygon/b2dpolygon.hxx>
 
#include <canvas/canvastoolsdllapi.h>
#include <rtl/ref.hxx>
#include <utility>
 
namespace com::sun::star::rendering { class XGraphicDevice; }
 
 
/* Definition of ParametricPolyPolygon class */
 
namespace canvas
{
    typedef comphelper::WeakComponentImplHelper< css::rendering::XParametricPolyPolygon2D,
                                           css::lang::XServiceInfo > ParametricPolyPolygon_Base;
 
    class CANVASTOOLS_DLLPUBLIC ParametricPolyPolygon final : public ParametricPolyPolygon_Base
    {
    public:
        enum class GradientType
        {
            Linear,
            Elliptical,
            Rectangular
        };
 
        struct Values
        {
            Values( ::basegfx::B2DPolygon                               aGradientPoly,
                    const css::uno::Sequence< css::uno::Sequence< double > >& rColors,
                    const css::uno::Sequence< double >&                 rStops,
                    double                                              nAspectRatio,
                    GradientType                                        eType ) :
                maGradientPoly(std::move( aGradientPoly )),
                mnAspectRatio( nAspectRatio ),
                maColors( rColors ),
                maStops( rStops ),
                meType( eType )
            {
            }
 
            const ::basegfx::B2DPolygon                         maGradientPoly;
 
            const double                                        mnAspectRatio;
 
            const css::uno::Sequence< css::uno::Sequence< double > >   maColors;
 
            const css::uno::Sequence< double >                  maStops;
 
            const GradientType                                  meType;
        };
 
        static css::uno::Sequence< OUString > getAvailableServiceNames();
        static rtl::Reference<ParametricPolyPolygon> create(
            const css::uno::Reference< css::rendering::XGraphicDevice >& rDevice,
            std::u16string_view rServiceName,
            const css::uno::Sequence< css::uno::Any >& rArgs );
 
        virtual void disposing(std::unique_lock<std::mutex>&) override;
 
        // XParametricPolyPolygon2D
        virtual css::uno::Reference< css::rendering::XPolyPolygon2D > SAL_CALL getOutline( double t ) override;
        virtual css::uno::Sequence< double > SAL_CALL getColor( double t ) override;
        virtual css::uno::Sequence< double > SAL_CALL getPointColor( const css::geometry::RealPoint2D& point ) override;
        virtual css::uno::Reference< css::rendering::XColorSpace > SAL_CALL getColorSpace() override;
 
        // XServiceInfo
        virtual OUString SAL_CALL getImplementationName(  ) override;
        virtual sal_Bool SAL_CALL supportsService( const OUString& ServiceName ) override;
        virtual css::uno::Sequence< OUString > SAL_CALL getSupportedServiceNames(  ) override;
 
        Values getValues() const;
 
    private:
        virtual ~ParametricPolyPolygon() override; // we're a ref-counted UNO class. _We_ destroy ourselves.
        ParametricPolyPolygon(const ParametricPolyPolygon&) = delete;
        ParametricPolyPolygon& operator=( const ParametricPolyPolygon& ) = delete;
 
        static rtl::Reference<ParametricPolyPolygon> createLinearHorizontalGradient( const css::uno::Reference<
                                                                         css::rendering::XGraphicDevice >& rDevice,
                                                                      const css::uno::Sequence< css::uno::Sequence< double > >& colors,
                                                                      const css::uno::Sequence< double >& stops );
        static rtl::Reference<ParametricPolyPolygon> createEllipticalGradient( const css::uno::Reference<
                                                                   css::rendering::XGraphicDevice >& rDevice,
                                                                const css::uno::Sequence< css::uno::Sequence< double > >& colors,
                                                                const css::uno::Sequence< double >& stops,
                                                                double fAspect );
        static rtl::Reference<ParametricPolyPolygon> createRectangularGradient( const css::uno::Reference<
                                                                    css::rendering::XGraphicDevice >& rDevice,
                                                                 const css::uno::Sequence< css::uno::Sequence< double > >& colors,
                                                                 const css::uno::Sequence< double >& stops,
                                                                 double fAspect );
 
        ParametricPolyPolygon( css::uno::Reference<
                                   css::rendering::XGraphicDevice >             xDevice,
                               const ::basegfx::B2DPolygon&                     rGradientPoly,
                               GradientType                                     eType,
                               const css::uno::Sequence< css::uno::Sequence< double > >&  colors,
                               const css::uno::Sequence< double >&              stops,
                               double                                           nAspectRatio );
        ParametricPolyPolygon( css::uno::Reference<
                                   css::rendering::XGraphicDevice >             xDevice,
                               GradientType                                     eType,
                               const css::uno::Sequence< css::uno::Sequence< double > >&  colors,
                               const css::uno::Sequence< double >&              stops );
 
        css::uno::Reference<
            css::rendering::XGraphicDevice >    mxDevice;
 
        const Values                                         maValues;
    };
}
 
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