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// MARKER(update_precomp.py): autogen include statement, do not remove
#include "precompiled_svx.hxx"
#include <svx/sdr/overlay/overlaymanager.hxx>
#include <basegfx/point/b2dpoint.hxx>
#include <basegfx/range/b2drange.hxx>
#include <tools/gen.hxx>
#include <vcl/salbtype.hxx>
#include <vcl/outdev.hxx>
#include <vcl/window.hxx>
#include <svx/sdr/overlay/overlayobject.hxx>
#include <basegfx/matrix/b2dhommatrix.hxx>
#include <drawinglayer/processor2d/processor2dtools.hxx>
//////////////////////////////////////////////////////////////////////////////
using namespace com::sun::star;
//////////////////////////////////////////////////////////////////////////////
namespace sdr
{
namespace overlay
{
void OverlayManager::ImpDrawMembers(const basegfx::B2DRange& rRange, OutputDevice& rDestinationDevice) const
{
const sal_uInt32 nSize(maOverlayObjects.size());
if(nSize)
{
const sal_uInt16 nOriginalAA(rDestinationDevice.GetAntialiasing());
const bool bIsAntiAliasing(getDrawinglayerOpt().IsAntiAliasing());
// create processor
drawinglayer::processor2d::BaseProcessor2D* pProcessor = drawinglayer::processor2d::createProcessor2DFromOutputDevice(
rDestinationDevice,
getCurrentViewInformation2D());
if(pProcessor)
{
for(OverlayObjectVector::const_iterator aIter(maOverlayObjects.begin()); aIter != maOverlayObjects.end(); aIter++)
{
OSL_ENSURE(*aIter, "Corrupted OverlayObject List (!)");
const OverlayObject& rCandidate = **aIter;
if(rCandidate.isVisible())
{
const drawinglayer::primitive2d::Primitive2DSequence& rSequence = rCandidate.getOverlayObjectPrimitive2DSequence();
if(rSequence.hasElements())
{
if(rRange.overlaps(rCandidate.getBaseRange()))
{
if(bIsAntiAliasing && rCandidate.allowsAntiAliase())
{
rDestinationDevice.SetAntialiasing(nOriginalAA | ANTIALIASING_ENABLE_B2DDRAW);
}
else
{
rDestinationDevice.SetAntialiasing(nOriginalAA & ~ANTIALIASING_ENABLE_B2DDRAW);
}
pProcessor->process(rSequence);
}
}
}
}
delete pProcessor;
}
// restore AA settings
rDestinationDevice.SetAntialiasing(nOriginalAA);
}
}
void OverlayManager::ImpStripeDefinitionChanged()
{
const sal_uInt32 nSize(maOverlayObjects.size());
if(nSize)
{
for(OverlayObjectVector::iterator aIter(maOverlayObjects.begin()); aIter != maOverlayObjects.end(); aIter++)
{
OSL_ENSURE(*aIter, "Corrupted OverlayObject List (!)");
OverlayObject& rCandidate = **aIter;
rCandidate.stripeDefinitionHasChanged();
}
}
}
double OverlayManager::getDiscreteOne() const
{
if(basegfx::fTools::equalZero(mfDiscreteOne))
{
const basegfx::B2DVector aDiscreteInLogic(getOutputDevice().GetInverseViewTransformation() * basegfx::B2DVector(1.0, 0.0));
const_cast< OverlayManager* >(this)->mfDiscreteOne = aDiscreteInLogic.getLength();
}
return mfDiscreteOne;
}
OverlayManager::OverlayManager(OutputDevice& rOutputDevice)
: Scheduler(),
rmOutputDevice(rOutputDevice),
maOverlayObjects(),
maStripeColorA(Color(COL_BLACK)),
maStripeColorB(Color(COL_WHITE)),
mnStripeLengthPixel(5),
maDrawinglayerOpt(),
maViewTransformation(),
maViewInformation2D(),
mfDiscreteOne(0.0)
{
// set Property 'ReducedDisplayQuality' to true to allow simpler interaction
// visualisations
static bool bUseReducedDisplayQualityForDrag(true);
if(bUseReducedDisplayQualityForDrag)
{
uno::Sequence< beans::PropertyValue > xProperties(1);
xProperties[0].Name = rtl::OUString(RTL_CONSTASCII_USTRINGPARAM("ReducedDisplayQuality"));
xProperties[0].Value <<= true;
maViewInformation2D = drawinglayer::geometry::ViewInformation2D(xProperties);
}
}
const drawinglayer::geometry::ViewInformation2D OverlayManager::getCurrentViewInformation2D() const
{
if(getOutputDevice().GetViewTransformation() != maViewTransformation)
{
basegfx::B2DRange aViewRange(maViewInformation2D.getViewport());
if(OUTDEV_WINDOW == getOutputDevice().GetOutDevType())
{
const Size aOutputSizePixel(getOutputDevice().GetOutputSizePixel());
// only set when we *have* a output size, else let aViewRange
// stay on empty
if(aOutputSizePixel.Width() && aOutputSizePixel.Height())
{
aViewRange = basegfx::B2DRange(0.0, 0.0, aOutputSizePixel.getWidth(), aOutputSizePixel.getHeight());
aViewRange.transform(getOutputDevice().GetInverseViewTransformation());
}
}
OverlayManager* pThis = const_cast< OverlayManager* >(this);
pThis->maViewTransformation = getOutputDevice().GetViewTransformation();
pThis->maViewInformation2D = drawinglayer::geometry::ViewInformation2D(
maViewInformation2D.getObjectTransformation(),
maViewTransformation,
aViewRange,
maViewInformation2D.getVisualizedPage(),
maViewInformation2D.getViewTime(),
maViewInformation2D.getExtendedInformationSequence());
pThis->mfDiscreteOne = 0.0;
}
return maViewInformation2D;
}
void OverlayManager::impApplyRemoveActions(OverlayObject& rTarget)
{
// handle evtl. animation
if(rTarget.allowsAnimation())
{
// remove from event chain
RemoveEvent(&rTarget);
}
// make invisible
invalidateRange(rTarget.getBaseRange());
// clear manager
rTarget.mpOverlayManager = 0;
}
void OverlayManager::impApplyAddActions(OverlayObject& rTarget)
{
// set manager
rTarget.mpOverlayManager = this;
// make visible
invalidateRange(rTarget.getBaseRange());
// handle evtl. animation
if(rTarget.allowsAnimation())
{
// Trigger at current time to get alive. This will do the
// object-specific next time calculation and hand over adding
// again to the scheduler to the animated object, too. This works for
// a paused or non-paused animator.
rTarget.Trigger(GetTime());
}
}
OverlayManager::~OverlayManager()
{
// The OverlayManager is not the owner of the OverlayObjects
// and thus will not delete them, but remove them. Profit here
// from knowing that all will be removed
const sal_uInt32 nSize(maOverlayObjects.size());
if(nSize)
{
for(OverlayObjectVector::iterator aIter(maOverlayObjects.begin()); aIter != maOverlayObjects.end(); aIter++)
{
OSL_ENSURE(*aIter, "Corrupted OverlayObject List (!)");
OverlayObject& rCandidate = **aIter;
impApplyRemoveActions(rCandidate);
}
// erase vector
maOverlayObjects.clear();
}
}
void OverlayManager::completeRedraw(const Region& rRegion, OutputDevice* pPreRenderDevice) const
{
if(!rRegion.IsEmpty() && maOverlayObjects.size())
{
// check for changed MapModes. That may influence the
// logical size of pixel based OverlayObjects (like BitmapHandles)
//ImpCheckMapModeChange();
// paint members
const Rectangle aRegionBoundRect(rRegion.GetBoundRect());
const basegfx::B2DRange aRegionRange(
aRegionBoundRect.Left(), aRegionBoundRect.Top(),
aRegionBoundRect.Right(), aRegionBoundRect.Bottom());
OutputDevice& rTarget = (pPreRenderDevice) ? *pPreRenderDevice : getOutputDevice();
ImpDrawMembers(aRegionRange, rTarget);
}
}
void OverlayManager::flush()
{
// default has nothing to do
}
// #i68597# part of content gets copied, react on it
void OverlayManager::copyArea(const Point& /*rDestPt*/, const Point& /*rSrcPt*/, const Size& /*rSrcSize*/)
{
// unbuffered versions do nothing here
}
void OverlayManager::restoreBackground(const Region& /*rRegion*/) const
{
// unbuffered versions do nothing here
}
void OverlayManager::add(OverlayObject& rOverlayObject)
{
OSL_ENSURE(0 == rOverlayObject.mpOverlayManager, "OverlayObject is added twice to an OverlayManager (!)");
// add to the end of chain to preserve display order in paint
maOverlayObjects.push_back(&rOverlayObject);
// execute add actions
impApplyAddActions(rOverlayObject);
}
void OverlayManager::remove(OverlayObject& rOverlayObject)
{
OSL_ENSURE(rOverlayObject.mpOverlayManager == this, "OverlayObject is removed from wrong OverlayManager (!)");
// execute remove actions
impApplyRemoveActions(rOverlayObject);
// remove from vector
const OverlayObjectVector::iterator aFindResult = ::std::find(maOverlayObjects.begin(), maOverlayObjects.end(), &rOverlayObject);
const bool bFound(aFindResult != maOverlayObjects.end());
OSL_ENSURE(bFound, "OverlayObject NOT found at OverlayManager (!)");
if(bFound)
{
maOverlayObjects.erase(aFindResult);
}
}
void OverlayManager::invalidateRange(const basegfx::B2DRange& rRange)
{
if(OUTDEV_WINDOW == getOutputDevice().GetOutDevType())
{
if(getDrawinglayerOpt().IsAntiAliasing())
{
// assume AA needs one pixel more and invalidate one pixel more
const double fDiscreteOne(getDiscreteOne());
const Rectangle aInvalidateRectangle(
(sal_Int32)floor(rRange.getMinX() - fDiscreteOne),
(sal_Int32)floor(rRange.getMinY() - fDiscreteOne),
(sal_Int32)ceil(rRange.getMaxX() + fDiscreteOne),
(sal_Int32)ceil(rRange.getMaxY() + fDiscreteOne));
// simply invalidate
((Window&)getOutputDevice()).Invalidate(aInvalidateRectangle, INVALIDATE_NOERASE);
}
else
{
// #i77674# transform to rectangle. Use floor/ceil to get all covered
// discrete pixels, see #i75163# and OverlayManagerBuffered::invalidateRange
const Rectangle aInvalidateRectangle(
(sal_Int32)floor(rRange.getMinX()), (sal_Int32)floor(rRange.getMinY()),
(sal_Int32)ceil(rRange.getMaxX()), (sal_Int32)ceil(rRange.getMaxY()));
// simply invalidate
((Window&)getOutputDevice()).Invalidate(aInvalidateRectangle, INVALIDATE_NOERASE);
}
}
}
// stripe support ColA
void OverlayManager::setStripeColorA(Color aNew)
{
if(aNew != maStripeColorA)
{
maStripeColorA = aNew;
ImpStripeDefinitionChanged();
}
}
// stripe support ColB
void OverlayManager::setStripeColorB(Color aNew)
{
if(aNew != maStripeColorB)
{
maStripeColorB = aNew;
ImpStripeDefinitionChanged();
}
}
// stripe support StripeLengthPixel
void OverlayManager::setStripeLengthPixel(sal_uInt32 nNew)
{
if(nNew != mnStripeLengthPixel)
{
mnStripeLengthPixel = nNew;
ImpStripeDefinitionChanged();
}
}
} // end of namespace overlay
} // end of namespace sdr
//////////////////////////////////////////////////////////////////////////////
// eof