office-gobmx/svx/source/svdraw/svdocirc.cxx
2012-01-31 21:38:59 -05:00

1163 lines
35 KiB
C++

/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
/*************************************************************************
*
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* Copyright 2000, 2010 Oracle and/or its affiliates.
*
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*
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* it under the terms of the GNU Lesser General Public License version 3
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*
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Lesser General Public License version 3 for more details
* (a copy is included in the LICENSE file that accompanied this code).
*
* You should have received a copy of the GNU Lesser General Public License
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#include <svl/style.hxx>
#include <svx/xlnwtit.hxx>
#include <svx/xlnedwit.hxx>
#include <svx/xlnstwit.hxx>
#include <svx/xlnstit.hxx>
#include <svx/xlnedit.hxx>
#include <svx/svdocirc.hxx>
#include <math.h>
#include <svx/xpool.hxx>
#include <svx/svdattr.hxx>
#include <svx/svdpool.hxx>
#include <svx/svdattrx.hxx>
#include <svx/svdtrans.hxx>
#include <svx/svdetc.hxx>
#include <svx/svddrag.hxx>
#include <svx/svdmodel.hxx>
#include <svx/svdpage.hxx>
#include <svx/svdopath.hxx> // for the object conversion
#include <svx/svdview.hxx> // for dragging (Ortho)
#include "svx/svdglob.hxx" // StringCache
#include "svx/svdstr.hrc" // the object's name
#include <editeng/eeitem.hxx>
#include <svx/sdr/properties/circleproperties.hxx>
#include <svx/sdr/contact/viewcontactofsdrcircobj.hxx>
#include <basegfx/point/b2dpoint.hxx>
#include <basegfx/polygon/b2dpolygon.hxx>
#include <basegfx/polygon/b2dpolygontools.hxx>
#include <basegfx/matrix/b2dhommatrix.hxx>
#include <basegfx/polygon/b2dpolygontools.hxx>
#include <basegfx/matrix/b2dhommatrixtools.hxx>
//////////////////////////////////////////////////////////////////////////////
Point GetWinkPnt(const Rectangle& rR, long nWink)
{
Point aCenter(rR.Center());
long nWdt=rR.Right()-rR.Left();
long nHgt=rR.Bottom()-rR.Top();
long nMaxRad=((nWdt>nHgt ? nWdt : nHgt)+1) /2;
double a;
a=nWink*nPi180;
Point aRetval(Round(cos(a)*nMaxRad),-Round(sin(a)*nMaxRad));
if (nWdt==0) aRetval.X()=0;
if (nHgt==0) aRetval.Y()=0;
if (nWdt!=nHgt) {
if (nWdt>nHgt) {
if (nWdt!=0) {
// stop possible overruns for very large objects
if (Abs(nHgt)>32767 || Abs(aRetval.Y())>32767) {
aRetval.Y()=BigMulDiv(aRetval.Y(),nHgt,nWdt);
} else {
aRetval.Y()=aRetval.Y()*nHgt/nWdt;
}
}
} else {
if (nHgt!=0) {
// stop possible overruns for very large objects
if (Abs(nWdt)>32767 || Abs(aRetval.X())>32767) {
aRetval.X()=BigMulDiv(aRetval.X(),nWdt,nHgt);
} else {
aRetval.X()=aRetval.X()*nWdt/nHgt;
}
}
}
}
aRetval+=aCenter;
return aRetval;
}
//////////////////////////////////////////////////////////////////////////////
// BaseProperties section
sdr::properties::BaseProperties* SdrCircObj::CreateObjectSpecificProperties()
{
return new sdr::properties::CircleProperties(*this);
}
//////////////////////////////////////////////////////////////////////////////
// DrawContact section
sdr::contact::ViewContact* SdrCircObj::CreateObjectSpecificViewContact()
{
return new sdr::contact::ViewContactOfSdrCircObj(*this);
}
//////////////////////////////////////////////////////////////////////////////
TYPEINIT1(SdrCircObj,SdrRectObj);
SdrCircObj::SdrCircObj(SdrObjKind eNewKind)
{
nStartWink=0;
nEndWink=36000;
meCircleKind=eNewKind;
bClosedObj=eNewKind!=OBJ_CARC;
}
SdrCircObj::SdrCircObj(SdrObjKind eNewKind, const Rectangle& rRect):
SdrRectObj(rRect)
{
nStartWink=0;
nEndWink=36000;
meCircleKind=eNewKind;
bClosedObj=eNewKind!=OBJ_CARC;
}
SdrCircObj::SdrCircObj(SdrObjKind eNewKind, const Rectangle& rRect, long nNewStartWink, long nNewEndWink):
SdrRectObj(rRect)
{
long nWinkDif=nNewEndWink-nNewStartWink;
nStartWink=NormAngle360(nNewStartWink);
nEndWink=NormAngle360(nNewEndWink);
if (nWinkDif==36000) nEndWink+=nWinkDif; // full circle
meCircleKind=eNewKind;
bClosedObj=eNewKind!=OBJ_CARC;
}
SdrCircObj::~SdrCircObj()
{
}
void SdrCircObj::TakeObjInfo(SdrObjTransformInfoRec& rInfo) const
{
bool bCanConv=!HasText() || ImpCanConvTextToCurve();
rInfo.bEdgeRadiusAllowed = sal_False;
rInfo.bCanConvToPath=bCanConv;
rInfo.bCanConvToPoly=bCanConv;
rInfo.bCanConvToContour = !IsFontwork() && (rInfo.bCanConvToPoly || LineGeometryUsageIsNecessary());
}
sal_uInt16 SdrCircObj::GetObjIdentifier() const
{
return sal_uInt16(meCircleKind);
}
bool SdrCircObj::PaintNeedsXPolyCirc() const
{
// XPoly is necessary for all rotated ellipse objects, circle and
// ellipse segments.
// If not WIN, then (for now) also for circle/ellipse segments and circle/
// ellipse arcs (for precision)
bool bNeed=aGeo.nDrehWink!=0 || aGeo.nShearWink!=0 || meCircleKind==OBJ_CCUT;
// If not WIN, then for everything except full circle (for now!)
if (meCircleKind!=OBJ_CIRC) bNeed = true;
const SfxItemSet& rSet = GetObjectItemSet();
if(!bNeed)
{
// XPoly is necessary for everything that isn't LineSolid or LineNone
XLineStyle eLine = ((XLineStyleItem&)(rSet.Get(XATTR_LINESTYLE))).GetValue();
bNeed = eLine != XLINE_NONE && eLine != XLINE_SOLID;
// XPoly is necessary for thick lines
if(!bNeed && eLine != XLINE_NONE)
bNeed = ((XLineWidthItem&)(rSet.Get(XATTR_LINEWIDTH))).GetValue() != 0;
// XPoly is necessary for circle arcs with line ends
if(!bNeed && meCircleKind == OBJ_CARC)
{
// start of the line is here if StartPolygon, StartWidth!=0
bNeed=((XLineStartItem&)(rSet.Get(XATTR_LINESTART))).GetLineStartValue().count() != 0L &&
((XLineStartWidthItem&)(rSet.Get(XATTR_LINESTARTWIDTH))).GetValue() != 0;
if(!bNeed)
{
// end of the line is here if EndPolygon, EndWidth!=0
bNeed = ((XLineEndItem&)(rSet.Get(XATTR_LINEEND))).GetLineEndValue().count() != 0L &&
((XLineEndWidthItem&)(rSet.Get(XATTR_LINEENDWIDTH))).GetValue() != 0;
}
}
}
// XPoly is necessary if Fill !=None and !=Solid
if(!bNeed && meCircleKind != OBJ_CARC)
{
XFillStyle eFill=((XFillStyleItem&)(rSet.Get(XATTR_FILLSTYLE))).GetValue();
bNeed = eFill != XFILL_NONE && eFill != XFILL_SOLID;
}
if(!bNeed && meCircleKind != OBJ_CIRC && nStartWink == nEndWink)
bNeed = true; // otherwise we're drawing a full circle
return bNeed;
}
basegfx::B2DPolygon SdrCircObj::ImpCalcXPolyCirc(const SdrObjKind eCicrleKind, const Rectangle& rRect1, long nStart, long nEnd) const
{
const basegfx::B2DRange aRange(rRect1.Left(), rRect1.Top(), rRect1.Right(), rRect1.Bottom());
basegfx::B2DPolygon aCircPolygon;
if(OBJ_CIRC == eCicrleKind)
{
// create full circle. Do not use createPolygonFromEllipse; it's necessary
// to get the start point to the bottom of the circle to keep compatible to
// old geometry creation
aCircPolygon = basegfx::tools::createPolygonFromUnitCircle(1);
// needs own scaling and translation from unit circle to target size (same as
// would be in createPolygonFromEllipse)
const basegfx::B2DPoint aCenter(aRange.getCenter());
const basegfx::B2DHomMatrix aMatrix(basegfx::tools::createScaleTranslateB2DHomMatrix(
aRange.getWidth() / 2.0, aRange.getHeight() / 2.0,
aCenter.getX(), aCenter.getY()));
aCircPolygon.transform(aMatrix);
}
else
{
// mirror start, end for geometry creation since model coordinate system is mirrored in Y
// #i111715# increase numerical correctness by first dividing and not using F_PI1800
const double fStart((((36000 - nEnd) % 36000) / 18000.0) * F_PI);
const double fEnd((((36000 - nStart) % 36000) / 18000.0) * F_PI);
// create circle segment. This is not closed by default
aCircPolygon = basegfx::tools::createPolygonFromEllipseSegment(
aRange.getCenter(), aRange.getWidth() / 2.0, aRange.getHeight() / 2.0,
fStart, fEnd);
// check closing states
const bool bCloseSegment(OBJ_CARC != eCicrleKind);
const bool bCloseUsingCenter(OBJ_SECT == eCicrleKind);
if(bCloseSegment)
{
if(bCloseUsingCenter)
{
// add center point at start (for historical reasons)
basegfx::B2DPolygon aSector;
aSector.append(aRange.getCenter());
aSector.append(aCircPolygon);
aCircPolygon = aSector;
}
// close
aCircPolygon.setClosed(true);
}
}
// #i76950#
if(aGeo.nShearWink || aGeo.nDrehWink)
{
// translate top left to (0,0)
const basegfx::B2DPoint aTopLeft(aRange.getMinimum());
basegfx::B2DHomMatrix aMatrix(basegfx::tools::createTranslateB2DHomMatrix(
-aTopLeft.getX(), -aTopLeft.getY()));
// shear, rotate and back to top left (if needed)
aMatrix = basegfx::tools::createShearXRotateTranslateB2DHomMatrix(
aGeo.nShearWink ? tan((36000 - aGeo.nShearWink) * F_PI18000) : 0.0,
aGeo.nDrehWink ? (36000 - aGeo.nDrehWink) * F_PI18000 : 0.0,
aTopLeft) * aMatrix;
// apply transformation
aCircPolygon.transform(aMatrix);
}
return aCircPolygon;
}
void SdrCircObj::RecalcXPoly()
{
const basegfx::B2DPolygon aPolyCirc(ImpCalcXPolyCirc(meCircleKind, aRect, nStartWink, nEndWink));
mpXPoly = new XPolygon(aPolyCirc);
}
void SdrCircObj::TakeObjNameSingul(XubString& rName) const
{
sal_uInt16 nID=STR_ObjNameSingulCIRC;
if (aRect.GetWidth()==aRect.GetHeight() && aGeo.nShearWink==0) {
switch (meCircleKind) {
case OBJ_CIRC: nID=STR_ObjNameSingulCIRC; break;
case OBJ_SECT: nID=STR_ObjNameSingulSECT; break;
case OBJ_CARC: nID=STR_ObjNameSingulCARC; break;
case OBJ_CCUT: nID=STR_ObjNameSingulCCUT; break;
default: break;
}
} else {
switch (meCircleKind) {
case OBJ_CIRC: nID=STR_ObjNameSingulCIRCE; break;
case OBJ_SECT: nID=STR_ObjNameSingulSECTE; break;
case OBJ_CARC: nID=STR_ObjNameSingulCARCE; break;
case OBJ_CCUT: nID=STR_ObjNameSingulCCUTE; break;
default: break;
}
}
rName=ImpGetResStr(nID);
String aName( GetName() );
if(aName.Len())
{
rName += sal_Unicode(' ');
rName += sal_Unicode('\'');
rName += aName;
rName += sal_Unicode('\'');
}
}
void SdrCircObj::TakeObjNamePlural(XubString& rName) const
{
sal_uInt16 nID=STR_ObjNamePluralCIRC;
if (aRect.GetWidth()==aRect.GetHeight() && aGeo.nShearWink==0) {
switch (meCircleKind) {
case OBJ_CIRC: nID=STR_ObjNamePluralCIRC; break;
case OBJ_SECT: nID=STR_ObjNamePluralSECT; break;
case OBJ_CARC: nID=STR_ObjNamePluralCARC; break;
case OBJ_CCUT: nID=STR_ObjNamePluralCCUT; break;
default: break;
}
} else {
switch (meCircleKind) {
case OBJ_CIRC: nID=STR_ObjNamePluralCIRCE; break;
case OBJ_SECT: nID=STR_ObjNamePluralSECTE; break;
case OBJ_CARC: nID=STR_ObjNamePluralCARCE; break;
case OBJ_CCUT: nID=STR_ObjNamePluralCCUTE; break;
default: break;
}
}
rName=ImpGetResStr(nID);
}
SdrCircObj* SdrCircObj::Clone() const
{
return CloneHelper< SdrCircObj >();
}
basegfx::B2DPolyPolygon SdrCircObj::TakeXorPoly() const
{
const basegfx::B2DPolygon aCircPolygon(ImpCalcXPolyCirc(meCircleKind, aRect, nStartWink, nEndWink));
return basegfx::B2DPolyPolygon(aCircPolygon);
}
struct ImpCircUser : public SdrDragStatUserData
{
Rectangle aR;
Point aCenter;
Point aRadius;
Point aP1;
Point aP2;
long nMaxRad;
long nHgt;
long nWdt;
long nStart;
long nEnd;
long nWink;
bool bRight; // not yet implemented
public:
ImpCircUser()
: nMaxRad(0),
nHgt(0),
nWdt(0),
nStart(0),
nEnd(0),
nWink(0),
bRight(sal_False)
{}
void SetCreateParams(SdrDragStat& rStat);
};
sal_uInt32 SdrCircObj::GetHdlCount() const
{
if(OBJ_CIRC != meCircleKind)
{
return 10L;
}
else
{
return 8L;
}
}
SdrHdl* SdrCircObj::GetHdl(sal_uInt32 nHdlNum) const
{
if (meCircleKind==OBJ_CIRC)
{
nHdlNum += 2L;
}
SdrHdl* pH = NULL;
Point aPnt;
SdrHdlKind eLocalKind(HDL_MOVE);
sal_uInt32 nPNum(0);
switch (nHdlNum)
{
case 0:
aPnt = GetWinkPnt(aRect,nStartWink);
eLocalKind = HDL_CIRC;
nPNum = 1;
break;
case 1:
aPnt = GetWinkPnt(aRect,nEndWink);
eLocalKind = HDL_CIRC;
nPNum = 2L;
break;
case 2:
aPnt = aRect.TopLeft();
eLocalKind = HDL_UPLFT;
break;
case 3:
aPnt = aRect.TopCenter();
eLocalKind = HDL_UPPER;
break;
case 4:
aPnt = aRect.TopRight();
eLocalKind = HDL_UPRGT;
break;
case 5:
aPnt = aRect.LeftCenter();
eLocalKind = HDL_LEFT;
break;
case 6:
aPnt = aRect.RightCenter();
eLocalKind = HDL_RIGHT;
break;
case 7:
aPnt = aRect.BottomLeft();
eLocalKind = HDL_LWLFT;
break;
case 8:
aPnt = aRect.BottomCenter();
eLocalKind = HDL_LOWER;
break;
case 9:
aPnt = aRect.BottomRight();
eLocalKind = HDL_LWRGT;
break;
}
if (aGeo.nShearWink)
{
ShearPoint(aPnt,aRect.TopLeft(),aGeo.nTan);
}
if (aGeo.nDrehWink)
{
RotatePoint(aPnt,aRect.TopLeft(),aGeo.nSin,aGeo.nCos);
}
if (eLocalKind != HDL_MOVE)
{
pH = new SdrHdl(aPnt,eLocalKind);
pH->SetPointNum(nPNum);
pH->SetObj((SdrObject*)this);
pH->SetDrehWink(aGeo.nDrehWink);
}
return pH;
}
////////////////////////////////////////////////////////////////////////////////////////////////////
bool SdrCircObj::hasSpecialDrag() const
{
return true;
}
bool SdrCircObj::beginSpecialDrag(SdrDragStat& rDrag) const
{
const bool bWink(rDrag.GetHdl() && HDL_CIRC == rDrag.GetHdl()->GetKind());
if(bWink)
{
if(1 == rDrag.GetHdl()->GetPointNum() || 2 == rDrag.GetHdl()->GetPointNum())
{
rDrag.SetNoSnap(true);
}
return true;
}
return SdrTextObj::beginSpecialDrag(rDrag);
}
bool SdrCircObj::applySpecialDrag(SdrDragStat& rDrag)
{
const bool bWink(rDrag.GetHdl() && HDL_CIRC == rDrag.GetHdl()->GetKind());
if(bWink)
{
Point aPt(rDrag.GetNow());
if (aGeo.nDrehWink!=0)
RotatePoint(aPt,aRect.TopLeft(),-aGeo.nSin,aGeo.nCos);
if (aGeo.nShearWink!=0)
ShearPoint(aPt,aRect.TopLeft(),-aGeo.nTan);
aPt-=aRect.Center();
long nWdt=aRect.Right()-aRect.Left();
long nHgt=aRect.Bottom()-aRect.Top();
if(nWdt>=nHgt)
{
aPt.Y()=BigMulDiv(aPt.Y(),nWdt,nHgt);
}
else
{
aPt.X()=BigMulDiv(aPt.X(),nHgt,nWdt);
}
long nWink=NormAngle360(GetAngle(aPt));
if (rDrag.GetView() && rDrag.GetView()->IsAngleSnapEnabled())
{
long nSA=rDrag.GetView()->GetSnapAngle();
if (nSA!=0)
{
nWink+=nSA/2;
nWink/=nSA;
nWink*=nSA;
nWink=NormAngle360(nWink);
}
}
if(1 == rDrag.GetHdl()->GetPointNum())
{
nStartWink = nWink;
}
else if(2 == rDrag.GetHdl()->GetPointNum())
{
nEndWink = nWink;
}
SetRectsDirty();
SetXPolyDirty();
ImpSetCircInfoToAttr();
SetChanged();
return true;
}
else
{
return SdrTextObj::applySpecialDrag(rDrag);
}
}
String SdrCircObj::getSpecialDragComment(const SdrDragStat& rDrag) const
{
const bool bCreateComment(rDrag.GetView() && this == rDrag.GetView()->GetCreateObj());
if(bCreateComment)
{
rtl::OUString aStr;
ImpTakeDescriptionStr(STR_ViewCreateObj, aStr);
rtl::OUStringBuffer aBuf(aStr);
const sal_uInt32 nPntAnz(rDrag.GetPointAnz());
if(OBJ_CIRC != meCircleKind && nPntAnz > 2)
{
ImpCircUser* pU = (ImpCircUser*)rDrag.GetUser();
sal_Int32 nWink;
aBuf.appendAscii(" (");
if(3 == nPntAnz)
{
nWink = pU->nStart;
}
else
{
nWink = pU->nEnd;
}
aBuf.append(GetWinkStr(nWink,false));
aBuf.append(sal_Unicode(')'));
}
return aBuf.makeStringAndClear();
}
else
{
const bool bWink(rDrag.GetHdl() && HDL_CIRC == rDrag.GetHdl()->GetKind());
if(bWink)
{
const sal_Int32 nWink(1 == rDrag.GetHdl()->GetPointNum() ? nStartWink : nEndWink);
rtl::OUString aStr;
ImpTakeDescriptionStr(STR_DragCircAngle, aStr);
rtl::OUStringBuffer aBuf(aStr);
aBuf.appendAscii(" (");
aBuf.append(GetWinkStr(nWink,false));
aBuf.append(sal_Unicode(')'));
return aBuf.makeStringAndClear();
}
else
{
return SdrTextObj::getSpecialDragComment(rDrag);
}
}
}
////////////////////////////////////////////////////////////////////////////////////////////////////
void ImpCircUser::SetCreateParams(SdrDragStat& rStat)
{
rStat.TakeCreateRect(aR);
aR.Justify();
aCenter=aR.Center();
nWdt=aR.Right()-aR.Left();
nHgt=aR.Bottom()-aR.Top();
nMaxRad=((nWdt>nHgt ? nWdt : nHgt)+1) /2;
nStart=0;
nEnd=36000;
if (rStat.GetPointAnz()>2) {
Point aP(rStat.GetPoint(2)-aCenter);
if (nWdt==0) aP.X()=0;
if (nHgt==0) aP.Y()=0;
if (nWdt>=nHgt) {
if (nHgt!=0) aP.Y()=aP.Y()*nWdt/nHgt;
} else {
if (nWdt!=0) aP.X()=aP.X()*nHgt/nWdt;
}
nStart=NormAngle360(GetAngle(aP));
if (rStat.GetView()!=NULL && rStat.GetView()->IsAngleSnapEnabled()) {
long nSA=rStat.GetView()->GetSnapAngle();
if (nSA!=0) { // angle snapping
nStart+=nSA/2;
nStart/=nSA;
nStart*=nSA;
nStart=NormAngle360(nStart);
}
}
aP1 = GetWinkPnt(aR,nStart);
nEnd=nStart;
aP2=aP1;
} else aP1=aCenter;
if (rStat.GetPointAnz()>3) {
Point aP(rStat.GetPoint(3)-aCenter);
if (nWdt>=nHgt) {
aP.Y()=BigMulDiv(aP.Y(),nWdt,nHgt);
} else {
aP.X()=BigMulDiv(aP.X(),nHgt,nWdt);
}
nEnd=NormAngle360(GetAngle(aP));
if (rStat.GetView()!=NULL && rStat.GetView()->IsAngleSnapEnabled()) {
long nSA=rStat.GetView()->GetSnapAngle();
if (nSA!=0) { // angle snapping
nEnd+=nSA/2;
nEnd/=nSA;
nEnd*=nSA;
nEnd=NormAngle360(nEnd);
}
}
aP2 = GetWinkPnt(aR,nEnd);
} else aP2=aCenter;
}
void SdrCircObj::ImpSetCreateParams(SdrDragStat& rStat) const
{
ImpCircUser* pU=(ImpCircUser*)rStat.GetUser();
if (pU==NULL) {
pU=new ImpCircUser;
rStat.SetUser(pU);
}
pU->SetCreateParams(rStat);
}
bool SdrCircObj::BegCreate(SdrDragStat& rStat)
{
rStat.SetOrtho4Possible();
Rectangle aRect1(rStat.GetStart(), rStat.GetNow());
aRect1.Justify();
rStat.SetActionRect(aRect1);
aRect = aRect1;
ImpSetCreateParams(rStat);
return sal_True;
}
bool SdrCircObj::MovCreate(SdrDragStat& rStat)
{
ImpSetCreateParams(rStat);
ImpCircUser* pU=(ImpCircUser*)rStat.GetUser();
rStat.SetActionRect(pU->aR);
aRect=pU->aR; // for ObjName
ImpJustifyRect(aRect);
nStartWink=pU->nStart;
nEndWink=pU->nEnd;
SetBoundRectDirty();
bSnapRectDirty=sal_True;
SetXPolyDirty();
// #i103058# push current angle settings to ItemSet to
// allow FullDrag visualisation
if(rStat.GetPointAnz() >= 4)
{
ImpSetCircInfoToAttr();
}
return sal_True;
}
bool SdrCircObj::EndCreate(SdrDragStat& rStat, SdrCreateCmd eCmd)
{
ImpSetCreateParams(rStat);
ImpCircUser* pU=(ImpCircUser*)rStat.GetUser();
bool bRet = false;
if (eCmd==SDRCREATE_FORCEEND && rStat.GetPointAnz()<4) meCircleKind=OBJ_CIRC;
if (meCircleKind==OBJ_CIRC) {
bRet=rStat.GetPointAnz()>=2;
if (bRet) {
aRect=pU->aR;
ImpJustifyRect(aRect);
}
} else {
rStat.SetNoSnap(rStat.GetPointAnz()>=2);
rStat.SetOrtho4Possible(rStat.GetPointAnz()<2);
bRet=rStat.GetPointAnz()>=4;
if (bRet) {
aRect=pU->aR;
ImpJustifyRect(aRect);
nStartWink=pU->nStart;
nEndWink=pU->nEnd;
}
}
bClosedObj=meCircleKind!=OBJ_CARC;
SetRectsDirty();
SetXPolyDirty();
ImpSetCircInfoToAttr();
if (bRet) {
delete pU;
rStat.SetUser(NULL);
}
return bRet;
}
void SdrCircObj::BrkCreate(SdrDragStat& rStat)
{
ImpCircUser* pU=(ImpCircUser*)rStat.GetUser();
delete pU;
rStat.SetUser(NULL);
}
bool SdrCircObj::BckCreate(SdrDragStat& rStat)
{
rStat.SetNoSnap(rStat.GetPointAnz()>=3);
rStat.SetOrtho4Possible(rStat.GetPointAnz()<3);
return meCircleKind!=OBJ_CIRC;
}
basegfx::B2DPolyPolygon SdrCircObj::TakeCreatePoly(const SdrDragStat& rDrag) const
{
ImpCircUser* pU = (ImpCircUser*)rDrag.GetUser();
if(rDrag.GetPointAnz() < 4L)
{
// force to OBJ_CIRC to get full visualisation
basegfx::B2DPolyPolygon aRetval(ImpCalcXPolyCirc(OBJ_CIRC, pU->aR, pU->nStart, pU->nEnd));
if(3L == rDrag.GetPointAnz())
{
// add edge to first point on ellipse
basegfx::B2DPolygon aNew;
aNew.append(basegfx::B2DPoint(pU->aCenter.X(), pU->aCenter.Y()));
aNew.append(basegfx::B2DPoint(pU->aP1.X(), pU->aP1.Y()));
aRetval.append(aNew);
}
return aRetval;
}
else
{
return basegfx::B2DPolyPolygon(ImpCalcXPolyCirc(meCircleKind, pU->aR, pU->nStart, pU->nEnd));
}
}
Pointer SdrCircObj::GetCreatePointer() const
{
switch (meCircleKind) {
case OBJ_CIRC: return Pointer(POINTER_DRAW_ELLIPSE);
case OBJ_SECT: return Pointer(POINTER_DRAW_PIE);
case OBJ_CARC: return Pointer(POINTER_DRAW_ARC);
case OBJ_CCUT: return Pointer(POINTER_DRAW_CIRCLECUT);
default: break;
} // switch
return Pointer(POINTER_CROSS);
}
void SdrCircObj::NbcMove(const Size& aSiz)
{
MoveRect(aRect,aSiz);
MoveRect(aOutRect,aSiz);
MoveRect(maSnapRect,aSiz);
SetXPolyDirty();
SetRectsDirty(sal_True);
}
void SdrCircObj::NbcResize(const Point& rRef, const Fraction& xFact, const Fraction& yFact)
{
long nWink0=aGeo.nDrehWink;
bool bNoShearRota=(aGeo.nDrehWink==0 && aGeo.nShearWink==0);
SdrTextObj::NbcResize(rRef,xFact,yFact);
bNoShearRota|=(aGeo.nDrehWink==0 && aGeo.nShearWink==0);
if (meCircleKind!=OBJ_CIRC) {
bool bXMirr=(xFact.GetNumerator()<0) != (xFact.GetDenominator()<0);
bool bYMirr=(yFact.GetNumerator()<0) != (yFact.GetDenominator()<0);
if (bXMirr || bYMirr) {
// At bXMirr!=bYMirr we should actually swap both line ends.
// That, however, is pretty bad (because of forced "hard" formatting).
// Alternatively, we could implement a bMirrored flag (maybe even
// a more general one, e. g. for mirrored text, ...).
long nS0=nStartWink;
long nE0=nEndWink;
if (bNoShearRota) {
// the RectObj already mirrors at VMirror because of a 180deg rotation
if (! (bXMirr && bYMirr)) {
long nTmp=nS0;
nS0=18000-nE0;
nE0=18000-nTmp;
}
} else { // mirror contorted ellipses
if (bXMirr!=bYMirr) {
nS0+=nWink0;
nE0+=nWink0;
if (bXMirr) {
long nTmp=nS0;
nS0=18000-nE0;
nE0=18000-nTmp;
}
if (bYMirr) {
long nTmp=nS0;
nS0=-nE0;
nE0=-nTmp;
}
nS0-=aGeo.nDrehWink;
nE0-=aGeo.nDrehWink;
}
}
long nWinkDif=nE0-nS0;
nStartWink=NormAngle360(nS0);
nEndWink =NormAngle360(nE0);
if (nWinkDif==36000) nEndWink+=nWinkDif; // full circle
}
}
SetXPolyDirty();
ImpSetCircInfoToAttr();
}
void SdrCircObj::NbcShear(const Point& rRef, long nWink, double tn, bool bVShear)
{
SdrTextObj::NbcShear(rRef,nWink,tn,bVShear);
SetXPolyDirty();
ImpSetCircInfoToAttr();
}
void SdrCircObj::NbcMirror(const Point& rRef1, const Point& rRef2)
{
bool bFreeMirr=meCircleKind!=OBJ_CIRC;
Point aTmpPt1;
Point aTmpPt2;
if (bFreeMirr) { // some preparations for using an arbitrary axis of reflection
Point aCenter(aRect.Center());
long nWdt=aRect.GetWidth()-1;
long nHgt=aRect.GetHeight()-1;
long nMaxRad=((nWdt>nHgt ? nWdt : nHgt)+1) /2;
double a;
// starting point
a=nStartWink*nPi180;
aTmpPt1=Point(Round(cos(a)*nMaxRad),-Round(sin(a)*nMaxRad));
if (nWdt==0) aTmpPt1.X()=0;
if (nHgt==0) aTmpPt1.Y()=0;
aTmpPt1+=aCenter;
// finishing point
a=nEndWink*nPi180;
aTmpPt2=Point(Round(cos(a)*nMaxRad),-Round(sin(a)*nMaxRad));
if (nWdt==0) aTmpPt2.X()=0;
if (nHgt==0) aTmpPt2.Y()=0;
aTmpPt2+=aCenter;
if (aGeo.nDrehWink!=0) {
RotatePoint(aTmpPt1,aRect.TopLeft(),aGeo.nSin,aGeo.nCos);
RotatePoint(aTmpPt2,aRect.TopLeft(),aGeo.nSin,aGeo.nCos);
}
if (aGeo.nShearWink!=0) {
ShearPoint(aTmpPt1,aRect.TopLeft(),aGeo.nTan);
ShearPoint(aTmpPt2,aRect.TopLeft(),aGeo.nTan);
}
}
SdrTextObj::NbcMirror(rRef1,rRef2);
if (meCircleKind!=OBJ_CIRC) { // adapt starting and finishing angle
MirrorPoint(aTmpPt1,rRef1,rRef2);
MirrorPoint(aTmpPt2,rRef1,rRef2);
// unrotate:
if (aGeo.nDrehWink!=0) {
RotatePoint(aTmpPt1,aRect.TopLeft(),-aGeo.nSin,aGeo.nCos); // -sin for reversion
RotatePoint(aTmpPt2,aRect.TopLeft(),-aGeo.nSin,aGeo.nCos); // -sin for reversion
}
// unshear:
if (aGeo.nShearWink!=0) {
ShearPoint(aTmpPt1,aRect.TopLeft(),-aGeo.nTan); // -tan for reversion
ShearPoint(aTmpPt2,aRect.TopLeft(),-aGeo.nTan); // -tan for reversion
}
Point aCenter(aRect.Center());
aTmpPt1-=aCenter;
aTmpPt2-=aCenter;
// because it's mirrored, the angles are swapped, too
nStartWink=GetAngle(aTmpPt2);
nEndWink =GetAngle(aTmpPt1);
long nWinkDif=nEndWink-nStartWink;
nStartWink=NormAngle360(nStartWink);
nEndWink =NormAngle360(nEndWink);
if (nWinkDif==36000) nEndWink+=nWinkDif; // full circle
}
SetXPolyDirty();
ImpSetCircInfoToAttr();
}
SdrObjGeoData* SdrCircObj::NewGeoData() const
{
return new SdrCircObjGeoData;
}
void SdrCircObj::SaveGeoData(SdrObjGeoData& rGeo) const
{
SdrRectObj::SaveGeoData(rGeo);
SdrCircObjGeoData& rCGeo=(SdrCircObjGeoData&)rGeo;
rCGeo.nStartWink=nStartWink;
rCGeo.nEndWink =nEndWink;
}
void SdrCircObj::RestGeoData(const SdrObjGeoData& rGeo)
{
SdrRectObj::RestGeoData(rGeo);
SdrCircObjGeoData& rCGeo=(SdrCircObjGeoData&)rGeo;
nStartWink=rCGeo.nStartWink;
nEndWink =rCGeo.nEndWink;
SetXPolyDirty();
ImpSetCircInfoToAttr();
}
void Union(Rectangle& rR, const Point& rP)
{
if (rP.X()<rR.Left ()) rR.Left ()=rP.X();
if (rP.X()>rR.Right ()) rR.Right ()=rP.X();
if (rP.Y()<rR.Top ()) rR.Top ()=rP.Y();
if (rP.Y()>rR.Bottom()) rR.Bottom()=rP.Y();
}
void SdrCircObj::TakeUnrotatedSnapRect(Rectangle& rRect) const
{
rRect=aRect;
if (meCircleKind!=OBJ_CIRC) {
const Point aPntStart(GetWinkPnt(aRect,nStartWink));
const Point aPntEnd(GetWinkPnt(aRect,nEndWink));
long a=nStartWink;
long e=nEndWink;
rRect.Left ()=aRect.Right();
rRect.Right ()=aRect.Left();
rRect.Top ()=aRect.Bottom();
rRect.Bottom()=aRect.Top();
Union(rRect,aPntStart);
Union(rRect,aPntEnd);
if ((a<=18000 && e>=18000) || (a>e && (a<=18000 || e>=18000))) {
Union(rRect,aRect.LeftCenter());
}
if ((a<=27000 && e>=27000) || (a>e && (a<=27000 || e>=27000))) {
Union(rRect,aRect.BottomCenter());
}
if (a>e) {
Union(rRect,aRect.RightCenter());
}
if ((a<=9000 && e>=9000) || (a>e && (a<=9000 || e>=9000))) {
Union(rRect,aRect.TopCenter());
}
if (meCircleKind==OBJ_SECT) {
Union(rRect,aRect.Center());
}
if (aGeo.nDrehWink!=0) {
Point aDst(rRect.TopLeft());
aDst-=aRect.TopLeft();
Point aDst0(aDst);
RotatePoint(aDst,Point(),aGeo.nSin,aGeo.nCos);
aDst-=aDst0;
rRect.Move(aDst.X(),aDst.Y());
}
}
if (aGeo.nShearWink!=0) {
long nDst=Round((rRect.Bottom()-rRect.Top())*aGeo.nTan);
if (aGeo.nShearWink>0) {
Point aRef(rRect.TopLeft());
rRect.Left()-=nDst;
Point aTmpPt(rRect.TopLeft());
RotatePoint(aTmpPt,aRef,aGeo.nSin,aGeo.nCos);
aTmpPt-=rRect.TopLeft();
rRect.Move(aTmpPt.X(),aTmpPt.Y());
} else {
rRect.Right()-=nDst;
}
}
}
void SdrCircObj::RecalcSnapRect()
{
if (PaintNeedsXPolyCirc()) {
maSnapRect=GetXPoly().GetBoundRect();
} else {
TakeUnrotatedSnapRect(maSnapRect);
}
}
void SdrCircObj::NbcSetSnapRect(const Rectangle& rRect)
{
if (aGeo.nDrehWink!=0 || aGeo.nShearWink!=0 || meCircleKind!=OBJ_CIRC) {
Rectangle aSR0(GetSnapRect());
long nWdt0=aSR0.Right()-aSR0.Left();
long nHgt0=aSR0.Bottom()-aSR0.Top();
long nWdt1=rRect.Right()-rRect.Left();
long nHgt1=rRect.Bottom()-rRect.Top();
NbcResize(maSnapRect.TopLeft(),Fraction(nWdt1,nWdt0),Fraction(nHgt1,nHgt0));
NbcMove(Size(rRect.Left()-aSR0.Left(),rRect.Top()-aSR0.Top()));
} else {
aRect=rRect;
ImpJustifyRect(aRect);
}
SetRectsDirty();
SetXPolyDirty();
ImpSetCircInfoToAttr();
}
sal_uInt32 SdrCircObj::GetSnapPointCount() const
{
if (meCircleKind==OBJ_CIRC) {
return 1L;
} else {
return 3L;
}
}
Point SdrCircObj::GetSnapPoint(sal_uInt32 i) const
{
switch (i) {
case 1 : return GetWinkPnt(aRect,nStartWink);
case 2 : return GetWinkPnt(aRect,nEndWink);
default: return aRect.Center();
}
}
void SdrCircObj::Notify(SfxBroadcaster& rBC, const SfxHint& rHint)
{
SetXPolyDirty();
SdrRectObj::Notify(rBC,rHint);
ImpSetAttrToCircInfo();
}
////////////////////////////////////////////////////////////////////////////////////////////////////
void SdrCircObj::ImpSetAttrToCircInfo()
{
const SfxItemSet& rSet = GetObjectItemSet();
SdrCircKind eNewKindA = ((SdrCircKindItem&)rSet.Get(SDRATTR_CIRCKIND)).GetValue();
SdrObjKind eNewKind = meCircleKind;
if(eNewKindA == SDRCIRC_FULL)
eNewKind = OBJ_CIRC;
else if(eNewKindA == SDRCIRC_SECT)
eNewKind = OBJ_SECT;
else if(eNewKindA == SDRCIRC_ARC)
eNewKind = OBJ_CARC;
else if(eNewKindA == SDRCIRC_CUT)
eNewKind = OBJ_CCUT;
sal_Int32 nNewStart = ((SdrCircStartAngleItem&)rSet.Get(SDRATTR_CIRCSTARTANGLE)).GetValue();
sal_Int32 nNewEnd = ((SdrCircEndAngleItem&)rSet.Get(SDRATTR_CIRCENDANGLE)).GetValue();
sal_Bool bKindChg = meCircleKind != eNewKind;
sal_Bool bWinkChg = nNewStart != nStartWink || nNewEnd != nEndWink;
if(bKindChg || bWinkChg)
{
meCircleKind = eNewKind;
nStartWink = nNewStart;
nEndWink = nNewEnd;
if(bKindChg || (meCircleKind != OBJ_CIRC && bWinkChg))
{
SetXPolyDirty();
SetRectsDirty();
}
}
}
void SdrCircObj::ImpSetCircInfoToAttr()
{
SdrCircKind eNewKindA = SDRCIRC_FULL;
const SfxItemSet& rSet = GetObjectItemSet();
if(meCircleKind == OBJ_SECT)
eNewKindA = SDRCIRC_SECT;
else if(meCircleKind == OBJ_CARC)
eNewKindA = SDRCIRC_ARC;
else if(meCircleKind == OBJ_CCUT)
eNewKindA = SDRCIRC_CUT;
SdrCircKind eOldKindA = ((SdrCircKindItem&)rSet.Get(SDRATTR_CIRCKIND)).GetValue();
sal_Int32 nOldStartWink = ((SdrCircStartAngleItem&)rSet.Get(SDRATTR_CIRCSTARTANGLE)).GetValue();
sal_Int32 nOldEndWink = ((SdrCircEndAngleItem&)rSet.Get(SDRATTR_CIRCENDANGLE)).GetValue();
if(eNewKindA != eOldKindA || nStartWink != nOldStartWink || nEndWink != nOldEndWink)
{
// since SetItem() implicitly calls ImpSetAttrToCircInfo()
// setting the item directly is necessary here.
if(eNewKindA != eOldKindA)
{
GetProperties().SetObjectItemDirect(SdrCircKindItem(eNewKindA));
}
if(nStartWink != nOldStartWink)
{
GetProperties().SetObjectItemDirect(SdrCircStartAngleItem(nStartWink));
}
if(nEndWink != nOldEndWink)
{
GetProperties().SetObjectItemDirect(SdrCircEndAngleItem(nEndWink));
}
SetXPolyDirty();
ImpSetAttrToCircInfo();
}
}
SdrObject* SdrCircObj::DoConvertToPolyObj(sal_Bool bBezier) const
{
const sal_Bool bFill(OBJ_CARC == meCircleKind ? sal_False : sal_True);
const basegfx::B2DPolygon aCircPolygon(ImpCalcXPolyCirc(meCircleKind, aRect, nStartWink, nEndWink));
SdrObject* pRet = ImpConvertMakeObj(basegfx::B2DPolyPolygon(aCircPolygon), bFill, bBezier);
pRet = ImpConvertAddText(pRet, bBezier);
return pRet;
}
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */