xref: /aoo41x/main/cppcanvas/source/mtfrenderer/polypolyaction.hxx (revision 2d788491)

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 * Licensed to the Apache Software Foundation (ASF) under one
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 * 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
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#ifndef _CPPCANVAS_POLYPOLYACTION_HXX
#define _CPPCANVAS_POLYPOLYACTION_HXX

#include <action.hxx>
#include <cppcanvas/canvas.hxx>


namespace basegfx {
    class B2DPolyPolygon;
}
namespace com { namespace sun { namespace star { namespace rendering
{
    struct Texture;
    struct StrokeAttributes;
} } } }


/* Definition of internal::PolyPolyActionFactory class */

namespace cppcanvas
{
    namespace internal
    {
        struct OutDevState;

        /** Creates encapsulated converters between GDIMetaFile and
            XCanvas. The Canvas argument is deliberately placed at the
            constructor, to force reconstruction of this object for a
            new canvas. This considerably eases internal state
            handling, since a lot of the internal state (e.g. fonts,
            text layout) is Canvas-dependent.
         */
        class PolyPolyActionFactory
        {
        public:
            /// Create polygon, fill/stroke according to state
            static ActionSharedPtr createPolyPolyAction( const ::basegfx::B2DPolyPolygon&,
                                                         const CanvasSharedPtr&,
                                                         const OutDevState& 	);

            /// Create texture-filled polygon
            static ActionSharedPtr createPolyPolyAction( const ::basegfx::B2DPolyPolygon&,
                                                         const CanvasSharedPtr&,
                                                         const OutDevState&,
                                                         const ::com::sun::star::rendering::Texture& );

            /// Create line polygon (always stroked, not filled)
            static ActionSharedPtr createLinePolyPolyAction( const ::basegfx::B2DPolyPolygon&,
                                                             const CanvasSharedPtr&,
                                                             const OutDevState& );

            /// Create stroked polygon
            static ActionSharedPtr createPolyPolyAction( const ::basegfx::B2DPolyPolygon&,
                                                         const CanvasSharedPtr&,
                                                         const OutDevState&,
                                                         const ::com::sun::star::rendering::StrokeAttributes& );

            /// For transparent painting of the given polygon (normally, we take the colors always opaque)
            static ActionSharedPtr createPolyPolyAction( const ::basegfx::B2DPolyPolygon&,
                                                         const CanvasSharedPtr&,
                                                         const OutDevState&,
                                                         int nTransparency );

        private:
            // static factory, disable big four
            PolyPolyActionFactory();
            ~PolyPolyActionFactory();
            PolyPolyActionFactory(const PolyPolyActionFactory&);
            PolyPolyActionFactory& operator=( const PolyPolyActionFactory& );
        };
    }
}

#endif /* _CPPCANVAS_POLYPOLYACTION_HXX */