summaryrefslogtreecommitdiffstats
path: root/svx/source/svdraw/svdglue.cxx
diff options
context:
space:
mode:
Diffstat (limited to 'svx/source/svdraw/svdglue.cxx')
-rw-r--r--svx/source/svdraw/svdglue.cxx394
1 files changed, 394 insertions, 0 deletions
diff --git a/svx/source/svdraw/svdglue.cxx b/svx/source/svdraw/svdglue.cxx
new file mode 100644
index 0000000000..c27fc2e2bd
--- /dev/null
+++ b/svx/source/svdraw/svdglue.cxx
@@ -0,0 +1,394 @@
+/* -*- 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>
+#include <comphelper/lok.hxx>
+
+const Size aGlueHalfSize(4,4);
+
+void SdrGluePoint::SetReallyAbsolute(bool bOn, const SdrObject& rObj)
+{
+ if ( m_bReallyAbsolute == bOn )
+ return;
+
+ if ( bOn )
+ {
+ m_aPos=GetAbsolutePos(rObj);
+ m_bReallyAbsolute=bOn;
+ }
+ else
+ {
+ m_bReallyAbsolute=bOn;
+ Point aPt(m_aPos);
+ SetAbsolutePos(aPt,rObj);
+ }
+}
+
+Point SdrGluePoint::GetAbsolutePos(const SdrObject& rObj) const
+{
+ if (m_bReallyAbsolute) return m_aPos;
+ tools::Rectangle aSnap(rObj.GetSnapRect());
+ tools::Rectangle aBound(rObj.GetSnapRect());
+ Point aPt(m_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 (!m_bNoPercent) {
+ tools::Long nXMul=aSnap.Right()-aSnap.Left();
+ tools::Long nYMul=aSnap.Bottom()-aSnap.Top();
+ tools::Long nXDiv=10000;
+ tools::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 (m_bReallyAbsolute) {
+ m_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 (!m_bNoPercent) {
+ tools::Long nXMul=aSnap.Right()-aSnap.Left();
+ tools::Long nYMul=aSnap.Bottom()-aSnap.Top();
+ if (nXMul==0) nXMul=1;
+ if (nYMul==0) nYMul=1;
+ tools::Long nXDiv=10000;
+ tools::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 );
+ }
+ }
+ m_aPos=aPt;
+}
+
+Degree100 SdrGluePoint::GetAlignAngle() const
+{
+ if (m_nAlign == (SdrAlign::HORZ_CENTER|SdrAlign::VERT_CENTER))
+ return 0_deg100; // Invalid!
+ else if (m_nAlign == (SdrAlign::HORZ_RIGHT |SdrAlign::VERT_CENTER))
+ return 0_deg100;
+ else if (m_nAlign == (SdrAlign::HORZ_RIGHT |SdrAlign::VERT_TOP))
+ return 4500_deg100;
+ else if (m_nAlign == (SdrAlign::HORZ_CENTER|SdrAlign::VERT_TOP))
+ return 9000_deg100;
+ else if (m_nAlign == (SdrAlign::HORZ_LEFT |SdrAlign::VERT_TOP))
+ return 13500_deg100;
+ else if (m_nAlign == (SdrAlign::HORZ_LEFT |SdrAlign::VERT_CENTER))
+ return 18000_deg100;
+ else if (m_nAlign == (SdrAlign::HORZ_LEFT |SdrAlign::VERT_BOTTOM))
+ return 22500_deg100;
+ else if (m_nAlign == (SdrAlign::HORZ_CENTER|SdrAlign::VERT_BOTTOM))
+ return 27000_deg100;
+ else if (m_nAlign == (SdrAlign::HORZ_RIGHT |SdrAlign::VERT_BOTTOM))
+ return 31500_deg100;
+ return 0_deg100;
+}
+
+void SdrGluePoint::SetAlignAngle(Degree100 nAngle)
+{
+ nAngle=NormAngle36000(nAngle);
+ if (nAngle>=33750_deg100 || nAngle<2250_deg100) m_nAlign=SdrAlign::HORZ_RIGHT |SdrAlign::VERT_CENTER;
+ else if (nAngle< 6750_deg100) m_nAlign=SdrAlign::HORZ_RIGHT |SdrAlign::VERT_TOP ;
+ else if (nAngle<11250_deg100) m_nAlign=SdrAlign::HORZ_CENTER|SdrAlign::VERT_TOP ;
+ else if (nAngle<15750_deg100) m_nAlign=SdrAlign::HORZ_LEFT |SdrAlign::VERT_TOP ;
+ else if (nAngle<20250_deg100) m_nAlign=SdrAlign::HORZ_LEFT |SdrAlign::VERT_CENTER;
+ else if (nAngle<24750_deg100) m_nAlign=SdrAlign::HORZ_LEFT |SdrAlign::VERT_BOTTOM;
+ else if (nAngle<29250_deg100) m_nAlign=SdrAlign::HORZ_CENTER|SdrAlign::VERT_BOTTOM;
+ else if (nAngle<33750_deg100) m_nAlign=SdrAlign::HORZ_RIGHT |SdrAlign::VERT_BOTTOM;
+}
+
+Degree100 SdrGluePoint::EscDirToAngle(SdrEscapeDirection nEsc)
+{
+ switch (nEsc) {
+ case SdrEscapeDirection::RIGHT : return 0_deg100;
+ case SdrEscapeDirection::TOP : return 9000_deg100;
+ case SdrEscapeDirection::LEFT : return 18000_deg100;
+ case SdrEscapeDirection::BOTTOM: return 27000_deg100;
+ default: break;
+ } // switch
+ return 0_deg100;
+}
+
+SdrEscapeDirection SdrGluePoint::EscAngleToDir(Degree100 nAngle)
+{
+ nAngle=NormAngle36000(nAngle);
+ if (nAngle>=31500_deg100 || nAngle<4500_deg100)
+ return SdrEscapeDirection::RIGHT;
+ if (nAngle<13500_deg100)
+ return SdrEscapeDirection::TOP;
+ if (nAngle<22500_deg100)
+ return SdrEscapeDirection::LEFT;
+ /* (nAngle<31500)*/
+ return SdrEscapeDirection::BOTTOM;
+}
+
+void SdrGluePoint::Rotate(const Point& rRef, Degree100 nAngle, double sn, double cs, const SdrObject* pObj)
+{
+ Point aPt(pObj!=nullptr ? GetAbsolutePos(*pObj) : GetPos());
+ RotatePoint(aPt,rRef,sn,cs);
+ // rotate reference edge
+ if(m_nAlign != (SdrAlign::HORZ_CENTER|SdrAlign::VERT_CENTER))
+ {
+ SetAlignAngle(GetAlignAngle()+nAngle);
+ }
+ // rotate exit directions
+ SdrEscapeDirection nEscDir0=m_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);
+ m_nEscDir=nEscDir1;
+ if (pObj!=nullptr) SetAbsolutePos(aPt,*pObj); else SetPos(aPt);
+}
+
+void SdrGluePoint::Mirror(const Point& rRef1, const Point& rRef2, Degree100 nAngle, const SdrObject* pObj)
+{
+ Point aPt(pObj!=nullptr ? GetAbsolutePos(*pObj) : GetPos());
+ MirrorPoint(aPt,rRef1,rRef2);
+ // mirror reference edge
+ if(m_nAlign != (SdrAlign::HORZ_CENTER|SdrAlign::VERT_CENTER))
+ {
+ Degree100 nAW=GetAlignAngle();
+ nAW+=2_deg100*(nAngle-nAW);
+ SetAlignAngle(nAW);
+ }
+ // mirror exit directions
+ SdrEscapeDirection nEscDir0=m_nEscDir;
+ SdrEscapeDirection nEscDir1=SdrEscapeDirection::SMART;
+ if (nEscDir0&SdrEscapeDirection::LEFT) {
+ Degree100 nEW=EscDirToAngle(SdrEscapeDirection::LEFT);
+ nEW+=2_deg100*(nAngle-nEW);
+ nEscDir1|=EscAngleToDir(nEW);
+ }
+ if (nEscDir0&SdrEscapeDirection::TOP) {
+ Degree100 nEW=EscDirToAngle(SdrEscapeDirection::TOP);
+ nEW+=2_deg100*(nAngle-nEW);
+ nEscDir1|=EscAngleToDir(nEW);
+ }
+ if (nEscDir0&SdrEscapeDirection::RIGHT) {
+ Degree100 nEW=EscDirToAngle(SdrEscapeDirection::RIGHT);
+ nEW+=2_deg100*(nAngle-nEW);
+ nEscDir1|=EscAngleToDir(nEW);
+ }
+ if (nEscDir0&SdrEscapeDirection::BOTTOM) {
+ Degree100 nEW=EscDirToAngle(SdrEscapeDirection::BOTTOM);
+ nEW+=2_deg100*(nAngle-nEW);
+ nEscDir1|=EscAngleToDir(nEW);
+ }
+ m_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
+{
+ if (comphelper::LibreOfficeKit::isActive())
+ return;
+ 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.Contains(rPnt);
+}
+
+
+SdrGluePointList& SdrGluePointList::operator=(const SdrGluePointList& rSrcList)
+{
+ if (GetCount()!=0) m_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 gluepoints always increase monotonously!
+// If an ID is taken already, the new gluepoint gets a new ID. ID 0 is reserved.
+sal_uInt16 SdrGluePointList::Insert(const SdrGluePoint& rGP)
+{
+ SdrGluePoint aGP(rGP);
+ sal_uInt16 nId=aGP.GetId();
+ sal_uInt16 nCount=GetCount();
+ sal_uInt16 nInsPos=nCount;
+ sal_uInt16 nLastId=nCount!=0 ? m_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=m_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;
+ }
+ }
+ }
+ aGP.SetId(nId);
+ }
+ m_aList.emplace(m_aList.begin()+nInsPos, aGP);
+ return nInsPos;
+}
+
+void SdrGluePointList::Invalidate(vcl::Window& rWin, const SdrObject* pObj) const
+{
+ if (comphelper::LibreOfficeKit::isActive())
+ return;
+ for (auto& xGP : m_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=m_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 = m_aList[nNum];
+ if (pGP.IsHit(rPnt,rOut,pObj))
+ nRet = nNum;
+ }
+ return nRet;
+}
+
+void SdrGluePointList::SetReallyAbsolute(bool bOn, const SdrObject& rObj)
+{
+ for (auto& xGP : m_aList)
+ xGP.SetReallyAbsolute(bOn,rObj);
+}
+
+void SdrGluePointList::Rotate(const Point& rRef, Degree100 nAngle, double sn, double cs, const SdrObject* pObj)
+{
+ for (auto& xGP : m_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;
+ Degree100 nAngle=GetAngle(aPt);
+ Mirror(rRef1,rRef2,nAngle,pObj);
+}
+
+void SdrGluePointList::Mirror(const Point& rRef1, const Point& rRef2, Degree100 nAngle, const SdrObject* pObj)
+{
+ for (auto& xGP : m_aList)
+ xGP.Mirror(rRef1,rRef2,nAngle,pObj);
+}
+
+void SdrGluePointList::Shear(const Point& rRef, double tn, bool bVShear, const SdrObject* pObj)
+{
+ for (auto& xGP : m_aList)
+ xGP.Shear(rRef,tn,bVShear,pObj);
+}
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */