markerarrayprimitive2d.cxx

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#include <drawinglayer/primitive2d/markerarrayprimitive2d.hxx>
#include <basegfx/matrix/b2dhommatrix.hxx>
#include <drawinglayer/geometry/viewinformation2d.hxx>
#include <drawinglayer/primitive2d/drawinglayer_primitivetypes2d.hxx>
#include <drawinglayer/primitive2d/bitmapprimitive2d.hxx>
#include <toolkit/helper/vclunohelper.hxx>
 
 
using namespace com::sun::star;
 
 
namespace drawinglayer::primitive2d
{
        void MarkerArrayPrimitive2D::create2DDecomposition(Primitive2DContainer& rContainer, const geometry::ViewInformation2D& rViewInformation) const
        {
            const std::vector< basegfx::B2DPoint >& rPositions = getPositions();
            const sal_uInt32 nMarkerCount(rPositions.size());
 
            if(!nMarkerCount || getMarker().IsEmpty())
                return;
 
            // get pixel size
            Size aBitmapSize(getMarker().GetSizePixel());
 
            if(!(aBitmapSize.Width() && aBitmapSize.Height()))
                return;
 
            // get logic half pixel size
            basegfx::B2DVector aLogicHalfSize(rViewInformation.getInverseObjectToViewTransformation() *
                basegfx::B2DVector(aBitmapSize.getWidth() - 1.0, aBitmapSize.getHeight() - 1.0));
 
            // use half size for expand
            aLogicHalfSize *= 0.5;
 
            for(const auto& rPosition : rPositions)
            {
                const basegfx::B2DRange aRange(rPosition - aLogicHalfSize, rPosition + aLogicHalfSize);
                basegfx::B2DHomMatrix aTransform;
 
                aTransform.set(0, 0, aRange.getWidth());
                aTransform.set(1, 1, aRange.getHeight());
                aTransform.set(0, 2, aRange.getMinX());
                aTransform.set(1, 2, aRange.getMinY());
 
                rContainer.push_back(
                    new BitmapPrimitive2D(
                        getMarker(),
                        aTransform));
            }
        }
 
        MarkerArrayPrimitive2D::MarkerArrayPrimitive2D(
            std::vector< basegfx::B2DPoint >&& rPositions,
            const BitmapEx& rMarker)
        :   maPositions(std::move(rPositions)),
            maMarker(rMarker)
        {
        }
 
        bool MarkerArrayPrimitive2D::operator==(const BasePrimitive2D& rPrimitive) const
        {
            if(BufferedDecompositionPrimitive2D::operator==(rPrimitive))
            {
                const MarkerArrayPrimitive2D& rCompare = static_cast<const MarkerArrayPrimitive2D&>(rPrimitive);
 
                return (getPositions() == rCompare.getPositions()
                    && getMarker() == rCompare.getMarker());
            }
 
            return false;
        }
 
        basegfx::B2DRange MarkerArrayPrimitive2D::getB2DRange(const geometry::ViewInformation2D& rViewInformation) const
        {
            basegfx::B2DRange aRetval;
 
            if(!getPositions().empty())
            {
                // get the basic range from the position vector
                for (auto const& pos : getPositions())
                {
                    aRetval.expand(pos);
                }
 
                if(!getMarker().IsEmpty())
                {
                    // get pixel size
                    const Size aBitmapSize(getMarker().GetSizePixel());
 
                    if(aBitmapSize.Width() && aBitmapSize.Height())
                    {
                        // get logic half size
                        basegfx::B2DVector aLogicHalfSize(rViewInformation.getInverseObjectToViewTransformation() *
                            basegfx::B2DVector(aBitmapSize.getWidth(), aBitmapSize.getHeight()));
 
                        // use half size for expand
                        aLogicHalfSize *= 0.5;
 
                        // apply aLogicHalfSize
                        aRetval.expand(aRetval.getMinimum() - aLogicHalfSize);
                        aRetval.expand(aRetval.getMaximum() + aLogicHalfSize);
                    }
                }
            }
 
            return aRetval;
        }
 
        // provide unique ID
        sal_uInt32 MarkerArrayPrimitive2D::getPrimitive2DID() const
        {
            return PRIMITIVE2D_ID_MARKERARRAYPRIMITIVE2D;
        }
 
} // end of namespace
 
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