overlayrectangle.cxx

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#include <sdr/overlay/overlayrectangle.hxx>
#include <sdr/overlay/overlaytools.hxx>
#include <svx/sdr/overlay/overlaymanager.hxx>
#include <vcl/svapp.hxx>
#include <vcl/settings.hxx>


namespace sdr::overlay
{
        drawinglayer::primitive2d::Primitive2DContainer OverlayRectangle::createOverlayObjectPrimitive2DSequence()
        {
            const basegfx::B2DRange aHatchRange(getBasePosition(), maSecondPosition);
            basegfx::BColor aColor(getBaseColor().getBColor());
            static const double fChange(0.1); // just small optical change, do not make it annoying

            if(mbOverlayState)
            {
                aColor += basegfx::B3DTuple(fChange, fChange, fChange);
                aColor.clamp();
            }
            else
            {
                aColor -= basegfx::B3DTuple(fChange, fChange, fChange);
                aColor.clamp();
            }

            const drawinglayer::primitive2d::Primitive2DReference aReference(
                new drawinglayer::primitive2d::OverlayRectanglePrimitive(
                    aHatchRange,
                    aColor,
                    mfTransparence,
                    mfDiscreteGrow,
                    mfDiscreteShrink,
                    mfRotation));

            return drawinglayer::primitive2d::Primitive2DContainer { aReference };
        }

        OverlayRectangle::OverlayRectangle(
            const basegfx::B2DPoint& rBasePosition,
            const basegfx::B2DPoint& rSecondPosition,
            const Color& rHatchColor,
            double fTransparence,
            double fDiscreteGrow,
            double fDiscreteShrink,
            double fRotation,
            bool bAnimate)
        :   OverlayObjectWithBasePosition(rBasePosition, rHatchColor),
            maSecondPosition(rSecondPosition),
            mfTransparence(fTransparence),
            mfDiscreteGrow(fDiscreteGrow),
            mfDiscreteShrink(fDiscreteShrink),
            mfRotation(fRotation),
            mnBlinkTime(impCheckBlinkTimeValueRange(500)),
            mbOverlayState(false)
        {
            if(Application::GetSettings().GetStyleSettings().GetHighContrastMode())
            {
                // no animation in high contrast mode
                bAnimate = false;
            }

            // set AllowsAnimation flag to mark this object as animation capable
            mbAllowsAnimation = bAnimate;
        }

        void OverlayRectangle::Trigger(sal_uInt32 nTime)
        {
            if(getOverlayManager())
            {
                // #i53216# produce event after nTime + x
                SetTime(nTime + mnBlinkTime);

                // switch state
                if(mbOverlayState)
                {
                    mbOverlayState = false;
                }
                else
                {
                    mbOverlayState = true;
                }

                // re-insert me as event
                getOverlayManager()->InsertEvent(*this);

                // register change (after change)
                objectChange();
            }
        }
} // end of namespace


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