sdrallfillattributeshelper.hxx

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#ifndef INCLUDED_SVX_SDR_ATTRIBUTE_SDRALLFILLATTRIBUTESHELPER_HXX
#define INCLUDED_SVX_SDR_ATTRIBUTE_SDRALLFILLATTRIBUTESHELPER_HXX

#include <svx/svxdllapi.h>
#include <drawinglayer/attribute/fillgradientattribute.hxx>
#include <drawinglayer/attribute/sdrfillattribute.hxx>
#include <drawinglayer/primitive2d/Primitive2DContainer.hxx>
#include <svl/itemset.hxx>
#include <optional>


class Color;

namespace drawinglayer::attribute
    {
        class SVXCORE_DLLPUBLIC SdrAllFillAttributesHelper
        {
        private:
            basegfx::B2DRange                                                   maLastPaintRange;
            basegfx::B2DRange                                                   maLastDefineRange;
            std::optional<drawinglayer::attribute::SdrFillAttribute>            maFillAttribute;
            std::optional<drawinglayer::attribute::FillGradientAttribute>       maFillGradientAttribute;
            drawinglayer::primitive2d::Primitive2DContainer                     maPrimitives;

            void createPrimitive2DSequence(
                const basegfx::B2DRange& rPaintRange,
                const basegfx::B2DRange& rDefineRange);

        public:
            SdrAllFillAttributesHelper(const Color& rColor);
            SdrAllFillAttributesHelper(const SfxItemSet& rSet);
            ~SdrAllFillAttributesHelper();

            bool isUsed() const;
            bool hasSdrFillAttribute() const { return bool(maFillAttribute); }
            bool isTransparent() const;

            const drawinglayer::attribute::SdrFillAttribute& getFillAttribute() const;
            const drawinglayer::attribute::FillGradientAttribute& getFillGradientAttribute() const;
            const drawinglayer::primitive2d::Primitive2DContainer& getPrimitive2DSequence(
                const basegfx::B2DRange& rPaintRange,
                const basegfx::B2DRange& rDefineRange) const;

            // get average fill color; tries to calculate a 'medium' color
            // which e.g. may be used as comparison to decide if other
            // colors are visible
            basegfx::BColor getAverageColor(const basegfx::BColor& rFallback) const;

            // return if a repaint of this content needs a complete repaint. This
            // is e.g. not needed for no fill or color fill (a partial repaint
            // will do the trick), but necessary for everything that is not top-left
            // oriented
            bool needCompleteRepaint() const;
        };

} // end of namespace drawinglayer::attribute


namespace drawinglayer::attribute
{
        typedef std::shared_ptr< SdrAllFillAttributesHelper > SdrAllFillAttributesHelperPtr;
} // end of namespace drawinglayer::attribute


#endif

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