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Diffstat (limited to 'svx/source/svdraw/svdglue.cxx')
| -rw-r--r-- | svx/source/svdraw/svdglue.cxx | 389 |
1 files changed, 389 insertions, 0 deletions
diff --git a/svx/source/svdraw/svdglue.cxx b/svx/source/svdraw/svdglue.cxx new file mode 100644 index 000000000..01235398a --- /dev/null +++ b/svx/source/svdraw/svdglue.cxx @@ -0,0 +1,389 @@ +/* -*- 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 <tools/debug.hxx> +#include <vcl/window.hxx> + +#include <svx/svdglue.hxx> +#include <svx/svdobj.hxx> +#include <svx/svdtrans.hxx> + +static const Size aGlueHalfSize(4,4); + +void SdrGluePoint::SetReallyAbsolute(bool bOn, const SdrObject& rObj) +{ + if ( bReallyAbsolute != bOn ) + { + if ( bOn ) + { + aPos=GetAbsolutePos(rObj); + bReallyAbsolute=bOn; + } + else + { + bReallyAbsolute=bOn; + Point aPt(aPos); + SetAbsolutePos(aPt,rObj); + } + } +} + +Point SdrGluePoint::GetAbsolutePos(const SdrObject& rObj) const +{ + if (bReallyAbsolute) return aPos; + tools::Rectangle aSnap(rObj.GetSnapRect()); + tools::Rectangle aBound(rObj.GetSnapRect()); + Point aPt(aPos); + + Point aOfs(aSnap.Center()); + switch (GetHorzAlign()) { + case SdrAlign::HORZ_LEFT : aOfs.setX(aSnap.Left() ); break; + case SdrAlign::HORZ_RIGHT : aOfs.setX(aSnap.Right() ); break; + default: break; + } + switch (GetVertAlign()) { + case SdrAlign::VERT_TOP : aOfs.setY(aSnap.Top() ); break; + case SdrAlign::VERT_BOTTOM: aOfs.setY(aSnap.Bottom() ); break; + default: break; + } + if (!bNoPercent) { + long nXMul=aSnap.Right()-aSnap.Left(); + long nYMul=aSnap.Bottom()-aSnap.Top(); + long nXDiv=10000; + long nYDiv=10000; + if (nXMul!=nXDiv) { + aPt.setX( aPt.X() * nXMul ); + aPt.setX( aPt.X() / nXDiv ); + } + if (nYMul!=nYDiv) { + aPt.setY( aPt.Y() * nYMul ); + aPt.setY( aPt.Y() / nYDiv ); + } + } + aPt+=aOfs; + // Now limit to the BoundRect of the object + if (aPt.X()<aBound.Left ()) aPt.setX(aBound.Left () ); + if (aPt.X()>aBound.Right ()) aPt.setX(aBound.Right () ); + if (aPt.Y()<aBound.Top ()) aPt.setY(aBound.Top () ); + if (aPt.Y()>aBound.Bottom()) aPt.setY(aBound.Bottom() ); + return aPt; +} + +void SdrGluePoint::SetAbsolutePos(const Point& rNewPos, const SdrObject& rObj) +{ + if (bReallyAbsolute) { + aPos=rNewPos; + return; + } + tools::Rectangle aSnap(rObj.GetSnapRect()); + Point aPt(rNewPos); + + Point aOfs(aSnap.Center()); + switch (GetHorzAlign()) { + case SdrAlign::HORZ_LEFT : aOfs.setX(aSnap.Left() ); break; + case SdrAlign::HORZ_RIGHT : aOfs.setX(aSnap.Right() ); break; + default: break; + } + switch (GetVertAlign()) { + case SdrAlign::VERT_TOP : aOfs.setY(aSnap.Top() ); break; + case SdrAlign::VERT_BOTTOM: aOfs.setY(aSnap.Bottom() ); break; + default: break; + } + aPt-=aOfs; + if (!bNoPercent) { + long nXMul=aSnap.Right()-aSnap.Left(); + long nYMul=aSnap.Bottom()-aSnap.Top(); + if (nXMul==0) nXMul=1; + if (nYMul==0) nYMul=1; + long nXDiv=10000; + long nYDiv=10000; + if (nXMul!=nXDiv) { + aPt.setX( aPt.X() * nXDiv ); + aPt.setX( aPt.X() / nXMul ); + } + if (nYMul!=nYDiv) { + aPt.setY( aPt.Y() * nYDiv ); + aPt.setY( aPt.Y() / nYMul ); + } + } + aPos=aPt; +} + +long SdrGluePoint::GetAlignAngle() const +{ + if (nAlign == (SdrAlign::HORZ_CENTER|SdrAlign::VERT_CENTER)) + return 0; // Invalid! + else if (nAlign == (SdrAlign::HORZ_RIGHT |SdrAlign::VERT_CENTER)) + return 0; + else if (nAlign == (SdrAlign::HORZ_RIGHT |SdrAlign::VERT_TOP)) + return 4500; + else if (nAlign == (SdrAlign::HORZ_CENTER|SdrAlign::VERT_TOP)) + return 9000; + else if (nAlign == (SdrAlign::HORZ_LEFT |SdrAlign::VERT_TOP)) + return 13500; + else if (nAlign == (SdrAlign::HORZ_LEFT |SdrAlign::VERT_CENTER)) + return 18000; + else if (nAlign == (SdrAlign::HORZ_LEFT |SdrAlign::VERT_BOTTOM)) + return 22500; + else if (nAlign == (SdrAlign::HORZ_CENTER|SdrAlign::VERT_BOTTOM)) + return 27000; + else if (nAlign == (SdrAlign::HORZ_RIGHT |SdrAlign::VERT_BOTTOM)) + return 31500; + return 0; +} + +void SdrGluePoint::SetAlignAngle(long nAngle) +{ + nAngle=NormAngle36000(nAngle); + if (nAngle>=33750 || nAngle<2250) nAlign=SdrAlign::HORZ_RIGHT |SdrAlign::VERT_CENTER; + else if (nAngle< 6750) nAlign=SdrAlign::HORZ_RIGHT |SdrAlign::VERT_TOP ; + else if (nAngle<11250) nAlign=SdrAlign::HORZ_CENTER|SdrAlign::VERT_TOP ; + else if (nAngle<15750) nAlign=SdrAlign::HORZ_LEFT |SdrAlign::VERT_TOP ; + else if (nAngle<20250) nAlign=SdrAlign::HORZ_LEFT |SdrAlign::VERT_CENTER; + else if (nAngle<24750) nAlign=SdrAlign::HORZ_LEFT |SdrAlign::VERT_BOTTOM; + else if (nAngle<29250) nAlign=SdrAlign::HORZ_CENTER|SdrAlign::VERT_BOTTOM; + else if (nAngle<33750) nAlign=SdrAlign::HORZ_RIGHT |SdrAlign::VERT_BOTTOM; +} + +long SdrGluePoint::EscDirToAngle(SdrEscapeDirection nEsc) +{ + switch (nEsc) { + case SdrEscapeDirection::RIGHT : return 0; + case SdrEscapeDirection::TOP : return 9000; + case SdrEscapeDirection::LEFT : return 18000; + case SdrEscapeDirection::BOTTOM: return 27000; + default: break; + } // switch + return 0; +} + +SdrEscapeDirection SdrGluePoint::EscAngleToDir(long nAngle) +{ + nAngle=NormAngle36000(nAngle); + if (nAngle>=31500 || nAngle<4500) + return SdrEscapeDirection::RIGHT; + if (nAngle<13500) + return SdrEscapeDirection::TOP; + if (nAngle<22500) + return SdrEscapeDirection::LEFT; + /* (nAngle<31500)*/ + return SdrEscapeDirection::BOTTOM; +} + +void SdrGluePoint::Rotate(const Point& rRef, long nAngle, double sn, double cs, const SdrObject* pObj) +{ + Point aPt(pObj!=nullptr ? GetAbsolutePos(*pObj) : GetPos()); + RotatePoint(aPt,rRef,sn,cs); + // rotate reference edge + if(nAlign != (SdrAlign::HORZ_CENTER|SdrAlign::VERT_CENTER)) + { + SetAlignAngle(GetAlignAngle()+nAngle); + } + // rotate exit directions + SdrEscapeDirection nEscDir0=nEscDir; + SdrEscapeDirection nEscDir1=SdrEscapeDirection::SMART; + if (nEscDir0&SdrEscapeDirection::LEFT ) nEscDir1 |= EscAngleToDir(EscDirToAngle(SdrEscapeDirection::LEFT )+nAngle); + if (nEscDir0&SdrEscapeDirection::TOP ) nEscDir1 |= EscAngleToDir(EscDirToAngle(SdrEscapeDirection::TOP )+nAngle); + if (nEscDir0&SdrEscapeDirection::RIGHT ) nEscDir1 |= EscAngleToDir(EscDirToAngle(SdrEscapeDirection::RIGHT )+nAngle); + if (nEscDir0&SdrEscapeDirection::BOTTOM) nEscDir1 |= EscAngleToDir(EscDirToAngle(SdrEscapeDirection::BOTTOM)+nAngle); + nEscDir=nEscDir1; + if (pObj!=nullptr) SetAbsolutePos(aPt,*pObj); else SetPos(aPt); +} + +void SdrGluePoint::Mirror(const Point& rRef1, const Point& rRef2, long nAngle, const SdrObject* pObj) +{ + Point aPt(pObj!=nullptr ? GetAbsolutePos(*pObj) : GetPos()); + MirrorPoint(aPt,rRef1,rRef2); + // mirror reference edge + if(nAlign != (SdrAlign::HORZ_CENTER|SdrAlign::VERT_CENTER)) + { + long nAW=GetAlignAngle(); + nAW+=2*(nAngle-nAW); + SetAlignAngle(nAW); + } + // mirror exit directions + SdrEscapeDirection nEscDir0=nEscDir; + SdrEscapeDirection nEscDir1=SdrEscapeDirection::SMART; + if (nEscDir0&SdrEscapeDirection::LEFT) { + long nEW=EscDirToAngle(SdrEscapeDirection::LEFT); + nEW+=2*(nAngle-nEW); + nEscDir1|=EscAngleToDir(nEW); + } + if (nEscDir0&SdrEscapeDirection::TOP) { + long nEW=EscDirToAngle(SdrEscapeDirection::TOP); + nEW+=2*(nAngle-nEW); + nEscDir1|=EscAngleToDir(nEW); + } + if (nEscDir0&SdrEscapeDirection::RIGHT) { + long nEW=EscDirToAngle(SdrEscapeDirection::RIGHT); + nEW+=2*(nAngle-nEW); + nEscDir1|=EscAngleToDir(nEW); + } + if (nEscDir0&SdrEscapeDirection::BOTTOM) { + long nEW=EscDirToAngle(SdrEscapeDirection::BOTTOM); + nEW+=2*(nAngle-nEW); + nEscDir1|=EscAngleToDir(nEW); + } + nEscDir=nEscDir1; + if (pObj!=nullptr) SetAbsolutePos(aPt,*pObj); else SetPos(aPt); +} + +void SdrGluePoint::Shear(const Point& rRef, double tn, bool bVShear, const SdrObject* pObj) +{ + Point aPt(pObj!=nullptr ? GetAbsolutePos(*pObj) : GetPos()); + ShearPoint(aPt,rRef,tn,bVShear); + if (pObj!=nullptr) SetAbsolutePos(aPt,*pObj); else SetPos(aPt); +} + +void SdrGluePoint::Invalidate(vcl::Window& rWin, const SdrObject* pObj) const +{ + bool bMapMode=rWin.IsMapModeEnabled(); + Point aPt(pObj!=nullptr ? GetAbsolutePos(*pObj) : GetPos()); + aPt=rWin.LogicToPixel(aPt); + rWin.EnableMapMode(false); + + Size aSiz( aGlueHalfSize ); + tools::Rectangle aRect(aPt.X()-aSiz.Width(),aPt.Y()-aSiz.Height(), + aPt.X()+aSiz.Width(),aPt.Y()+aSiz.Height()); + + // do not erase background, that causes flicker (!) + rWin.Invalidate(aRect, InvalidateFlags::NoErase); + + rWin.EnableMapMode(bMapMode); +} + +bool SdrGluePoint::IsHit(const Point& rPnt, const OutputDevice& rOut, const SdrObject* pObj) const +{ + Point aPt(pObj!=nullptr ? GetAbsolutePos(*pObj) : GetPos()); + Size aSiz=rOut.PixelToLogic(aGlueHalfSize); + tools::Rectangle aRect(aPt.X()-aSiz.Width(),aPt.Y()-aSiz.Height(),aPt.X()+aSiz.Width(),aPt.Y()+aSiz.Height()); + return aRect.IsInside(rPnt); +} + + +SdrGluePointList& SdrGluePointList::operator=(const SdrGluePointList& rSrcList) +{ + if (GetCount()!=0) aList.clear(); + sal_uInt16 nCount=rSrcList.GetCount(); + for (sal_uInt16 i=0; i<nCount; i++) { + Insert(rSrcList[i]); + } + return *this; +} + +// The ID's of the glue points always increase monotonously! +// If an ID is taken already, the new glue point gets a new ID. ID 0 is reserved. +sal_uInt16 SdrGluePointList::Insert(const SdrGluePoint& rGP) +{ + SdrGluePoint* pGP=new SdrGluePoint(rGP); + sal_uInt16 nId=pGP->GetId(); + sal_uInt16 nCount=GetCount(); + sal_uInt16 nInsPos=nCount; + sal_uInt16 nLastId=nCount!=0 ? aList[nCount-1]->GetId() : 0; + DBG_ASSERT(nLastId>=nCount,"SdrGluePointList::Insert(): nLastId<nCount"); + bool bHole = nLastId>nCount; + if (nId<=nLastId) { + if (!bHole || nId==0) { + nId=nLastId+1; + } else { + bool bBrk = false; + for (sal_uInt16 nNum=0; nNum<nCount && !bBrk; nNum++) { + const auto& pGP2=aList[nNum]; + sal_uInt16 nTmpId=pGP2->GetId(); + if (nTmpId==nId) { + nId=nLastId+1; // already in use + bBrk = true; + } + if (nTmpId>nId) { + nInsPos=nNum; // insert here (sort) + bBrk = true; + } + } + } + pGP->SetId(nId); + } + aList.emplace(aList.begin()+nInsPos, pGP); + return nInsPos; +} + +void SdrGluePointList::Invalidate(vcl::Window& rWin, const SdrObject* pObj) const +{ + for (auto& xGP : aList) + xGP->Invalidate(rWin,pObj); +} + +sal_uInt16 SdrGluePointList::FindGluePoint(sal_uInt16 nId) const +{ + // TODO: Implement a better search algorithm + // List should be sorted at all times! + sal_uInt16 nCount=GetCount(); + sal_uInt16 nRet=SDRGLUEPOINT_NOTFOUND; + for (sal_uInt16 nNum=0; nNum<nCount && nRet==SDRGLUEPOINT_NOTFOUND; nNum++) { + const auto& pGP=aList[nNum]; + if (pGP->GetId()==nId) nRet=nNum; + } + return nRet; +} + +sal_uInt16 SdrGluePointList::HitTest(const Point& rPnt, const OutputDevice& rOut, const SdrObject* pObj) const +{ + sal_uInt16 nCount = GetCount(); + sal_uInt16 nRet = SDRGLUEPOINT_NOTFOUND; + sal_uInt16 nNum = nCount; + while ((nNum>0) && nRet==SDRGLUEPOINT_NOTFOUND) { + nNum--; + const auto& pGP = aList[nNum]; + if (pGP->IsHit(rPnt,rOut,pObj)) + nRet = nNum; + } + return nRet; +} + +void SdrGluePointList::SetReallyAbsolute(bool bOn, const SdrObject& rObj) +{ + for (auto& xGP : aList) + xGP->SetReallyAbsolute(bOn,rObj); +} + +void SdrGluePointList::Rotate(const Point& rRef, long nAngle, double sn, double cs, const SdrObject* pObj) +{ + for (auto& xGP : aList) + xGP->Rotate(rRef,nAngle,sn,cs,pObj); +} + +void SdrGluePointList::Mirror(const Point& rRef1, const Point& rRef2, const SdrObject* pObj) +{ + Point aPt(rRef2); aPt-=rRef1; + long nAngle=GetAngle(aPt); + Mirror(rRef1,rRef2,nAngle,pObj); +} + +void SdrGluePointList::Mirror(const Point& rRef1, const Point& rRef2, long nAngle, const SdrObject* pObj) +{ + for (auto& xGP : aList) + xGP->Mirror(rRef1,rRef2,nAngle,pObj); +} + +void SdrGluePointList::Shear(const Point& rRef, double tn, bool bVShear, const SdrObject* pObj) +{ + for (auto& xGP : aList) + xGP->Shear(rRef,tn,bVShear,pObj); +} + +/* vim:set shiftwidth=4 softtabstop=4 expandtab: */ |