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Diffstat (limited to 'svx/source/sdr/contact/viewobjectcontact.cxx')
| -rw-r--r-- | svx/source/sdr/contact/viewobjectcontact.cxx | 474 |
1 files changed, 474 insertions, 0 deletions
diff --git a/svx/source/sdr/contact/viewobjectcontact.cxx b/svx/source/sdr/contact/viewobjectcontact.cxx new file mode 100644 index 000000000..3cad7e469 --- /dev/null +++ b/svx/source/sdr/contact/viewobjectcontact.cxx @@ -0,0 +1,474 @@ +/* -*- 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 <svx/sdr/animation/animationstate.hxx> +#include <svx/sdr/contact/viewobjectcontactredirector.hxx> +#include <basegfx/color/bcolor.hxx> +#include <drawinglayer/primitive2d/modifiedcolorprimitive2d.hxx> +#include <drawinglayer/primitive2d/animatedprimitive2d.hxx> +#include <drawinglayer/processor2d/baseprocessor2d.hxx> +#include <svx/sdr/primitive2d/svx_primitivetypes2d.hxx> +#include <drawinglayer/primitive2d/transformprimitive2d.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::Primitive2DContainer maPrimitive2DSequence; + + // text animation allowed? + bool mbTextAnimationAllowed : 1; + + // graphic animation allowed? + bool 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) override; + +public: + AnimatedExtractingProcessor2D( + const drawinglayer::geometry::ViewInformation2D& rViewInformation, + bool bTextAnimationAllowed, + bool bGraphicAnimationAllowed); + + // data access + const drawinglayer::primitive2d::Primitive2DContainer& getPrimitive2DSequence() const { return maPrimitive2DSequence; } +}; + +AnimatedExtractingProcessor2D::AnimatedExtractingProcessor2D( + const drawinglayer::geometry::ViewInformation2D& rViewInformation, + bool bTextAnimationAllowed, + bool bGraphicAnimationAllowed) +: drawinglayer::processor2d::BaseProcessor2D(rViewInformation), + maPrimitive2DSequence(), + mbTextAnimationAllowed(bTextAnimationAllowed), + mbGraphicAnimationAllowed(bGraphicAnimationAllowed) +{ +} + +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() && mbTextAnimationAllowed) + || (rSwitchPrimitive.isGraphicAnimation() && mbGraphicAnimationAllowed)) + { + const drawinglayer::primitive2d::Primitive2DReference xReference(const_cast< drawinglayer::primitive2d::BasePrimitive2D* >(&rCandidate)); + maPrimitive2DSequence.push_back(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 : + + // #121194# With Graphic as Bitmap FillStyle, also check + // for primitives filled with animated graphics + case PRIMITIVE2D_ID_POLYPOLYGONGRAPHICPRIMITIVE2D: + case PRIMITIVE2D_ID_FILLGRAPHICPRIMITIVE2D: + case PRIMITIVE2D_ID_TRANSFORMPRIMITIVE2D: + + // decompose evtl. animated text contained in MaskPrimitive2D + // or group primitives + case PRIMITIVE2D_ID_MASKPRIMITIVE2D : + case PRIMITIVE2D_ID_GROUPPRIMITIVE2D : + { + process(rCandidate); + break; + } + + default : + { + // nothing to do for the rest + break; + } + } +} + +} // end of anonymous namespace + +namespace sdr::contact { + +ViewObjectContact::ViewObjectContact(ObjectContact& rObjectContact, ViewContact& rViewContact) +: mrObjectContact(rObjectContact), + mrViewContact(rViewContact), + maObjectRange(), + mxPrimitive2DSequence(), + maGridOffset(0.0, 0.0), + 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 + mpPrimitiveAnimation.reset(); + + // take care of remembered ObjectContact. Remove from + // OC first. The VC removal (below) CAN trigger a StopGettingViewed() + // which (depending of its 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 remembered ViewContact + GetViewContact().RemoveViewObjectContact(*this); +} + +const basegfx::B2DRange& ViewObjectContact::getObjectRange() const +{ + if(maObjectRange.isEmpty()) + { + const drawinglayer::geometry::ViewInformation2D& rViewInfo2D = GetObjectContact().getViewInformation2D(); + basegfx::B2DRange aTempRange = GetViewContact().getRange(rViewInfo2D); + if (!aTempRange.isEmpty()) + { + const_cast< ViewObjectContact* >(this)->maObjectRange = aTempRange; + } + else + { + // if range is not computed (new or LazyInvalidate objects), force it + const DisplayInfo aDisplayInfo; + const drawinglayer::primitive2d::Primitive2DContainer xSequence(getPrimitive2DSequence(aDisplayInfo)); + + if(!xSequence.empty()) + { + const_cast< ViewObjectContact* >(this)->maObjectRange = + xSequence.getB2DRange(rViewInfo2D); + } + } + } + + 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 + mpPrimitiveAnimation.reset(); + + // check for animated primitives + if(!mxPrimitive2DSequence.empty()) + { + 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().empty()) + { + // derived primitiveList is animated, setup new PrimitiveAnimation + mpPrimitiveAnimation.reset( new sdr::animation::PrimitiveAnimation(*this, aAnimatedExtractor.getPrimitive2DSequence()) ); + } + } + } +} + +drawinglayer::primitive2d::Primitive2DContainer ViewObjectContact::createPrimitive2DSequence(const DisplayInfo& rDisplayInfo) const +{ + // get the view-independent Primitive from the viewContact + drawinglayer::primitive2d::Primitive2DContainer xRetval(GetViewContact().getViewIndependentPrimitive2DContainer()); + + if(!xRetval.empty()) + { + // handle GluePoint + if(!GetObjectContact().isOutputToPrinter() && GetObjectContact().AreGluePointsVisible()) + { + const drawinglayer::primitive2d::Primitive2DContainer xGlue(GetViewContact().createGluePointPrimitive2DSequence()); + + if(!xGlue.empty()) + { + xRetval.append(xGlue); + } + } + + // handle ghosted + if(isPrimitiveGhosted(rDisplayInfo)) + { + const basegfx::BColor aRGBWhite(1.0, 1.0, 1.0); + const basegfx::BColorModifierSharedPtr aBColorModifier = + std::make_shared<basegfx::BColorModifier_interpolate>( + aRGBWhite, + 0.5); + const drawinglayer::primitive2d::Primitive2DReference xReference( + new drawinglayer::primitive2d::ModifiedColorPrimitive2D( + xRetval, + aBColorModifier)); + + xRetval = drawinglayer::primitive2d::Primitive2DContainer { xReference }; + } + } + + return xRetval; +} + +drawinglayer::primitive2d::Primitive2DContainer const & ViewObjectContact::getPrimitive2DSequence(const DisplayInfo& rDisplayInfo) const +{ + drawinglayer::primitive2d::Primitive2DContainer 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(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 = mxPrimitive2DSequence.getB2DRange(rViewInformation2D); + + // check and eventually embed to GridOffset transform primitive + if(GetObjectContact().supportsGridOffsets()) + { + const basegfx::B2DVector& rGridOffset(getGridOffset()); + + if(0.0 != rGridOffset.getX() || 0.0 != rGridOffset.getY()) + { + const basegfx::B2DHomMatrix aTranslateGridOffset( + basegfx::utils::createTranslateB2DHomMatrix( + rGridOffset)); + const drawinglayer::primitive2d::Primitive2DReference aEmbed( + new drawinglayer::primitive2d::TransformPrimitive2D( + aTranslateGridOffset, + mxPrimitive2DSequence)); + + // Set values at local data. So for now, the mechanism is to reset some of the + // defining things (mxPrimitive2DSequence, maGridOffset) and re-create the + // buffered data (including maObjectRange). It *could* be changed to keep + // the unmodified PrimitiveSequence and only update the GridOffset, but this + // would require a 2nd instance of maObjectRange and mxPrimitive2DSequence. I + // started doing so, but it just makes the code more complicated. For now, + // just allow re-creation of the PrimitiveSequence (and removing buffered + // decomposed content of it). May be optimized, though. OTOH it only happens + // in calc which traditionally does not have a huge amount of DrawObjects anyways. + const_cast< ViewObjectContact* >(this)->mxPrimitive2DSequence = drawinglayer::primitive2d::Primitive2DContainer { aEmbed }; + const_cast< ViewObjectContact* >(this)->maObjectRange.transform(aTranslateGridOffset); + } + } + } + + // return current Primitive2DContainer + 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::Primitive2DContainer ViewObjectContact::getPrimitive2DSequenceHierarchy(DisplayInfo& rDisplayInfo) const +{ + drawinglayer::primitive2d::Primitive2DContainer xRetval; + + // check model-view visibility + if(isPrimitiveVisible(rDisplayInfo)) + { + xRetval = getPrimitive2DSequence(rDisplayInfo); + + if(!xRetval.empty()) + { + // get ranges + const drawinglayer::geometry::ViewInformation2D& rViewInformation2D(GetObjectContact().getViewInformation2D()); + const basegfx::B2DRange aObjectRange(xRetval.getB2DRange(rViewInformation2D)); + const basegfx::B2DRange aViewRange(rViewInformation2D.getViewport()); + + // check geometrical visibility + bool bVisible = aViewRange.isEmpty() || aViewRange.overlaps(aObjectRange); + if(!bVisible) + { + // not visible, release + xRetval.clear(); + } + } + } + + return xRetval; +} + +drawinglayer::primitive2d::Primitive2DContainer ViewObjectContact::getPrimitive2DSequenceSubHierarchy(DisplayInfo& rDisplayInfo) const +{ + const sal_uInt32 nSubHierarchyCount(GetViewContact().GetObjectCount()); + drawinglayer::primitive2d::Primitive2DContainer xSeqRetval; + + for(sal_uInt32 a(0); a < nSubHierarchyCount; a++) + { + const ViewObjectContact& rCandidate(GetViewContact().GetViewContact(a).GetViewObjectContact(GetObjectContact())); + + xSeqRetval.append(rCandidate.getPrimitive2DSequenceHierarchy(rDisplayInfo)); + } + + return xSeqRetval; +} + +// Support getting a GridOffset per object and view for non-linear ViewToDevice +// transformation (calc). On-demand created by delegating to the ObjectContact +// (->View) that has then all needed information +const basegfx::B2DVector& ViewObjectContact::getGridOffset() const +{ + if(0.0 == maGridOffset.getX() && 0.0 == maGridOffset.getY() && GetObjectContact().supportsGridOffsets()) + { + // create on-demand + GetObjectContact().calculateGridOffsetForViewOjectContact(const_cast<ViewObjectContact*>(this)->maGridOffset, *this); + } + + return maGridOffset; +} + +void ViewObjectContact::resetGridOffset() +{ + // reset buffered GridOffset itself + maGridOffset.setX(0.0); + maGridOffset.setY(0.0); + + // also reset sequence to get a re-calculation when GridOffset changes + mxPrimitive2DSequence.clear(); +} + +} + +/* vim:set shiftwidth=4 softtabstop=4 expandtab: */ |