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/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
/*
* This file is part of the LibreOffice project.
*
* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/.
*
* This file incorporates work covered by the following license notice:
*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file 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 "License"); you may not use this file
* except in compliance with the License. You may obtain a copy of
* the License at http://www.apache.org/licenses/LICENSE-2.0 .
*/
#include <svx/sdr/contact/viewobjectcontact.hxx>
#include <svx/sdr/contact/viewcontact.hxx>
#include <svx/sdr/contact/objectcontact.hxx>
#include <svx/sdr/contact/displayinfo.hxx>
#include <vcl/region.hxx>
#include <svx/sdr/animation/objectanimator.hxx>
#include <svx/sdr/animation/animationstate.hxx>
#include <svx/sdr/contact/viewobjectcontactredirector.hxx>
#include <basegfx/numeric/ftools.hxx>
#include <basegfx/color/bcolor.hxx>
#include <drawinglayer/primitive2d/modifiedcolorprimitive2d.hxx>
#include <basegfx/tools/canvastools.hxx>
#include <drawinglayer/primitive2d/animatedprimitive2d.hxx>
#include <drawinglayer/processor2d/baseprocessor2d.hxx>
#include <svx/sdr/primitive2d/svx_primitivetypes2d.hxx>
//////////////////////////////////////////////////////////////////////////////
using namespace com::sun::star;
//////////////////////////////////////////////////////////////////////////////
namespace
{
// animated extractor
// Necessary to filter a sequence of animated primitives from
// a sequence of primitives to find out if animated or not. The decision for
// what to decompose is hard-coded and only done for knowingly animated primitives
// to not decompose too deeply and unnecessarily. This implies that the list
// which is view-specific needs to be expanded by hand when new animated objects
// are added. This may eventually be changed to a dynamically configurable approach
// if necessary.
class AnimatedExtractingProcessor2D : public drawinglayer::processor2d::BaseProcessor2D
{
protected:
// the found animated primitives
drawinglayer::primitive2d::Primitive2DSequence maPrimitive2DSequence;
// bitfield
// text animation allowed?
unsigned mbTextAnimationAllowed : 1;
// graphic animation allowed?
unsigned mbGraphicAnimationAllowed : 1;
// as tooling, the process() implementation takes over API handling and calls this
// virtual render method when the primitive implementation is BasePrimitive2D-based.
virtual void processBasePrimitive2D(const drawinglayer::primitive2d::BasePrimitive2D& rCandidate);
public:
AnimatedExtractingProcessor2D(
const drawinglayer::geometry::ViewInformation2D& rViewInformation,
bool bTextAnimationAllowed,
bool bGraphicAnimationAllowed);
virtual ~AnimatedExtractingProcessor2D();
// data access
const drawinglayer::primitive2d::Primitive2DSequence& getPrimitive2DSequence() const { return maPrimitive2DSequence; }
bool isTextAnimationAllowed() const { return mbTextAnimationAllowed; }
bool isGraphicAnimationAllowed() const { return mbGraphicAnimationAllowed; }
};
AnimatedExtractingProcessor2D::AnimatedExtractingProcessor2D(
const drawinglayer::geometry::ViewInformation2D& rViewInformation,
bool bTextAnimationAllowed,
bool bGraphicAnimationAllowed)
: drawinglayer::processor2d::BaseProcessor2D(rViewInformation),
maPrimitive2DSequence(),
mbTextAnimationAllowed(bTextAnimationAllowed),
mbGraphicAnimationAllowed(bGraphicAnimationAllowed)
{
}
AnimatedExtractingProcessor2D::~AnimatedExtractingProcessor2D()
{
}
void AnimatedExtractingProcessor2D::processBasePrimitive2D(const drawinglayer::primitive2d::BasePrimitive2D& rCandidate)
{
// known implementation, access directly
switch(rCandidate.getPrimitive2DID())
{
// add and accept animated primitives directly, no need to decompose
case PRIMITIVE2D_ID_ANIMATEDSWITCHPRIMITIVE2D :
case PRIMITIVE2D_ID_ANIMATEDBLINKPRIMITIVE2D :
case PRIMITIVE2D_ID_ANIMATEDINTERPOLATEPRIMITIVE2D :
{
const drawinglayer::primitive2d::AnimatedSwitchPrimitive2D& rSwitchPrimitive = static_cast< const drawinglayer::primitive2d::AnimatedSwitchPrimitive2D& >(rCandidate);
if((rSwitchPrimitive.isTextAnimation() && isTextAnimationAllowed())
|| (rSwitchPrimitive.isGraphicAnimation() && isGraphicAnimationAllowed()))
{
const drawinglayer::primitive2d::Primitive2DReference xReference(const_cast< drawinglayer::primitive2d::BasePrimitive2D* >(&rCandidate));
drawinglayer::primitive2d::appendPrimitive2DReferenceToPrimitive2DSequence(maPrimitive2DSequence, xReference);
}
break;
}
// decompose animated gifs where SdrGrafPrimitive2D produces a GraphicPrimitive2D
// which then produces the animation infos (all when used/needed)
case PRIMITIVE2D_ID_SDRGRAFPRIMITIVE2D :
case PRIMITIVE2D_ID_GRAPHICPRIMITIVE2D :
// decompose SdrObjects with evtl. animated text
case PRIMITIVE2D_ID_SDRCAPTIONPRIMITIVE2D :
case PRIMITIVE2D_ID_SDRCONNECTORPRIMITIVE2D :
case PRIMITIVE2D_ID_SDRCUSTOMSHAPEPRIMITIVE2D :
case PRIMITIVE2D_ID_SDRELLIPSEPRIMITIVE2D :
case PRIMITIVE2D_ID_SDRELLIPSESEGMENTPRIMITIVE2D :
case PRIMITIVE2D_ID_SDRMEASUREPRIMITIVE2D :
case PRIMITIVE2D_ID_SDRPATHPRIMITIVE2D :
case PRIMITIVE2D_ID_SDRRECTANGLEPRIMITIVE2D :
// decompose evtl. animated text contained in MaskPrimitive2D
// or group rimitives
case PRIMITIVE2D_ID_MASKPRIMITIVE2D :
case PRIMITIVE2D_ID_GROUPPRIMITIVE2D :
{
process(rCandidate.get2DDecomposition(getViewInformation2D()));
break;
}
default :
{
// nothing to do for the rest
break;
}
}
}
} // end of anonymous namespace
//////////////////////////////////////////////////////////////////////////////
namespace sdr
{
namespace contact
{
ViewObjectContact::ViewObjectContact(ObjectContact& rObjectContact, ViewContact& rViewContact)
: mrObjectContact(rObjectContact),
mrViewContact(rViewContact),
maObjectRange(),
mxPrimitive2DSequence(),
mpPrimitiveAnimation(0),
mbLazyInvalidate(false)
{
// make the ViewContact remember me
mrViewContact.AddViewObjectContact(*this);
// make the ObjectContact remember me
mrObjectContact.AddViewObjectContact(*this);
}
ViewObjectContact::~ViewObjectContact()
{
// invalidate in view
if(!maObjectRange.isEmpty())
{
GetObjectContact().InvalidatePartOfView(maObjectRange);
}
// delete PrimitiveAnimation
if(mpPrimitiveAnimation)
{
delete mpPrimitiveAnimation;
mpPrimitiveAnimation = 0;
}
// take care of remebered ObjectContact. Remove from
// OC first. The VC removal (below) CAN trigger a StopGettingViewed()
// which (depending of it's implementation) may destroy other OCs. This
// can trigger the deletion of the helper OC of a page visualising object
// which IS the OC of this object. Eventually StopGettingViewed() needs
// to get asynchron later
GetObjectContact().RemoveViewObjectContact(*this);
// take care of remebered ViewContact
GetViewContact().RemoveViewObjectContact(*this);
}
const basegfx::B2DRange& ViewObjectContact::getObjectRange() const
{
if(maObjectRange.isEmpty())
{
// if range is not computed (new or LazyInvalidate objects), force it
const DisplayInfo aDisplayInfo;
const drawinglayer::primitive2d::Primitive2DSequence xSequence(getPrimitive2DSequence(aDisplayInfo));
if(xSequence.hasElements())
{
const drawinglayer::geometry::ViewInformation2D& rViewInformation2D(GetObjectContact().getViewInformation2D());
const_cast< ViewObjectContact* >(this)->maObjectRange =
drawinglayer::primitive2d::getB2DRangeFromPrimitive2DSequence(xSequence, rViewInformation2D);
}
}
return maObjectRange;
}
void ViewObjectContact::ActionChanged()
{
if(!mbLazyInvalidate)
{
// set local flag
mbLazyInvalidate = true;
// force ObjectRange
getObjectRange();
if(!maObjectRange.isEmpty())
{
// invalidate current valid range
GetObjectContact().InvalidatePartOfView(maObjectRange);
// reset ObjectRange, it needs to be recalculated
maObjectRange.reset();
}
// register at OC for lazy invalidate
GetObjectContact().setLazyInvalidate(*this);
}
}
void ViewObjectContact::triggerLazyInvalidate()
{
if(mbLazyInvalidate)
{
// reset flag
mbLazyInvalidate = false;
// force ObjectRange
getObjectRange();
if(!maObjectRange.isEmpty())
{
// invalidate current valid range
GetObjectContact().InvalidatePartOfView(maObjectRange);
}
}
}
// Take some action when new objects are inserted
void ViewObjectContact::ActionChildInserted(ViewContact& rChild)
{
// force creation of the new VOC and trigger it's refresh, so it
// will take part in LazyInvalidate immediately
rChild.GetViewObjectContact(GetObjectContact()).ActionChanged();
// forward action to ObjectContact
// const ViewObjectContact& rChildVOC = rChild.GetViewObjectContact(GetObjectContact());
// GetObjectContact().InvalidatePartOfView(rChildVOC.getObjectRange());
}
void ViewObjectContact::checkForPrimitive2DAnimations()
{
// remove old one
if(mpPrimitiveAnimation)
{
delete mpPrimitiveAnimation;
mpPrimitiveAnimation = 0;
}
// check for animated primitives
if(mxPrimitive2DSequence.hasElements())
{
const bool bTextAnimationAllowed(GetObjectContact().IsTextAnimationAllowed());
const bool bGraphicAnimationAllowed(GetObjectContact().IsGraphicAnimationAllowed());
if(bTextAnimationAllowed || bGraphicAnimationAllowed)
{
AnimatedExtractingProcessor2D aAnimatedExtractor(GetObjectContact().getViewInformation2D(),
bTextAnimationAllowed, bGraphicAnimationAllowed);
aAnimatedExtractor.process(mxPrimitive2DSequence);
if(aAnimatedExtractor.getPrimitive2DSequence().hasElements())
{
// dervied primitiveList is animated, setup new PrimitiveAnimation
mpPrimitiveAnimation = new sdr::animation::PrimitiveAnimation(*this, aAnimatedExtractor.getPrimitive2DSequence());
}
}
}
}
drawinglayer::primitive2d::Primitive2DSequence ViewObjectContact::createPrimitive2DSequence(const DisplayInfo& rDisplayInfo) const
{
// get the view-independent Primitive from the viewContact
drawinglayer::primitive2d::Primitive2DSequence xRetval(GetViewContact().getViewIndependentPrimitive2DSequence());
if(xRetval.hasElements())
{
// handle GluePoint
if(!GetObjectContact().isOutputToPrinter() && GetObjectContact().AreGluePointsVisible())
{
const drawinglayer::primitive2d::Primitive2DSequence xGlue(GetViewContact().createGluePointPrimitive2DSequence());
if(xGlue.hasElements())
{
drawinglayer::primitive2d::appendPrimitive2DSequenceToPrimitive2DSequence(xRetval, xGlue);
}
}
// handle ghosted
if(isPrimitiveGhosted(rDisplayInfo))
{
const basegfx::BColor aRGBWhite(1.0, 1.0, 1.0);
const basegfx::BColorModifier aBColorModifier(aRGBWhite, 0.5, basegfx::BCOLORMODIFYMODE_INTERPOLATE);
const drawinglayer::primitive2d::Primitive2DReference xReference(new drawinglayer::primitive2d::ModifiedColorPrimitive2D(xRetval, aBColorModifier));
xRetval = drawinglayer::primitive2d::Primitive2DSequence(&xReference, 1);
}
}
return xRetval;
}
drawinglayer::primitive2d::Primitive2DSequence ViewObjectContact::getPrimitive2DSequence(const DisplayInfo& rDisplayInfo) const
{
drawinglayer::primitive2d::Primitive2DSequence xNewPrimitiveSequence;
// take care of redirectors and create new list
ViewObjectContactRedirector* pRedirector = GetObjectContact().GetViewObjectContactRedirector();
if(pRedirector)
{
xNewPrimitiveSequence = pRedirector->createRedirectedPrimitive2DSequence(*this, rDisplayInfo);
}
else
{
xNewPrimitiveSequence = createPrimitive2DSequence(rDisplayInfo);
}
// local up-to-date checks. New list different from local one?
if(!drawinglayer::primitive2d::arePrimitive2DSequencesEqual(mxPrimitive2DSequence, xNewPrimitiveSequence))
{
// has changed, copy content
const_cast< ViewObjectContact* >(this)->mxPrimitive2DSequence = xNewPrimitiveSequence;
// check for animated stuff
const_cast< ViewObjectContact* >(this)->checkForPrimitive2DAnimations();
// always update object range when PrimitiveSequence changes
const drawinglayer::geometry::ViewInformation2D& rViewInformation2D(GetObjectContact().getViewInformation2D());
const_cast< ViewObjectContact* >(this)->maObjectRange =
drawinglayer::primitive2d::getB2DRangeFromPrimitive2DSequence(mxPrimitive2DSequence, rViewInformation2D);
}
// return current Primitive2DSequence
return mxPrimitive2DSequence;
}
bool ViewObjectContact::isPrimitiveVisible(const DisplayInfo& /*rDisplayInfo*/) const
{
// default: always visible
return true;
}
bool ViewObjectContact::isPrimitiveGhosted(const DisplayInfo& rDisplayInfo) const
{
// default: standard check
return (GetObjectContact().DoVisualizeEnteredGroup() && !GetObjectContact().isOutputToPrinter() && rDisplayInfo.IsGhostedDrawModeActive());
}
drawinglayer::primitive2d::Primitive2DSequence ViewObjectContact::getPrimitive2DSequenceHierarchy(DisplayInfo& rDisplayInfo) const
{
drawinglayer::primitive2d::Primitive2DSequence xRetval;
// check model-view visibility
if(isPrimitiveVisible(rDisplayInfo))
{
xRetval = getPrimitive2DSequence(rDisplayInfo);
if(xRetval.hasElements())
{
// get ranges
const drawinglayer::geometry::ViewInformation2D& rViewInformation2D(GetObjectContact().getViewInformation2D());
const basegfx::B2DRange aObjectRange(drawinglayer::primitive2d::getB2DRangeFromPrimitive2DSequence(xRetval, rViewInformation2D));
const basegfx::B2DRange aViewRange(rViewInformation2D.getViewport());
// check geometrical visibility
if(!aViewRange.isEmpty() && !aViewRange.overlaps(aObjectRange))
{
// not visible, release
xRetval.realloc(0);
}
}
}
return xRetval;
}
drawinglayer::primitive2d::Primitive2DSequence ViewObjectContact::getPrimitive2DSequenceSubHierarchy(DisplayInfo& rDisplayInfo) const
{
const sal_uInt32 nSubHierarchyCount(GetViewContact().GetObjectCount());
drawinglayer::primitive2d::Primitive2DSequence xSeqRetval;
for(sal_uInt32 a(0); a < nSubHierarchyCount; a++)
{
const ViewObjectContact& rCandidate(GetViewContact().GetViewContact(a).GetViewObjectContact(GetObjectContact()));
drawinglayer::primitive2d::appendPrimitive2DSequenceToPrimitive2DSequence(xSeqRetval, rCandidate.getPrimitive2DSequenceHierarchy(rDisplayInfo));
}
return xSeqRetval;
}
} // end of namespace contact
} // end of namespace sdr
//////////////////////////////////////////////////////////////////////////////
// eof
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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