AcDbObjectId CArxHelper::CreateMLeader(const CString& strText, const AcGePoint3d& ptArrow, const AcGePoint3d& ptBase, const AcGeVector3d& vectDir)
{
AcDbObjectId leaderId = AcDbObjectId::kNull;
AcDbMText* pMText = new AcDbMText();
pMText->setContents(strText);
pMText->setColorIndex(4);
AcDbExtents extents;
pMText->getGeomExtents(extents);
AcDbMLeader *pEnt=new AcDbMLeader();
int i = 0;
pEnt->setContentType(AcDbMLeaderStyle::kMTextContent);
pEnt->addLeader(i);
pEnt->addLeaderLine(ptArrow,i);
pEnt->addLastVertex(i,ptBase);
pEnt->setDoglegLength(1);
pEnt->setDoglegDirection(i,vectDir);
pEnt->setArrowSize(0.001);
pEnt->setTextAttachmentType(AcDbMLeaderStyle::kAttachmentBottomLine,AcDbMLeaderStyle::kLeftLeader);
pEnt->setTextAttachmentType(AcDbMLeaderStyle::kAttachmentBottomLine,AcDbMLeaderStyle::kRightLeader);
pEnt->setTextAlignmentType(AcDbMLeaderStyle::kLeftAlignment);
pEnt->setMText(pMText);
AcGePoint3d pt = ptBase+vectDir*(extents.maxPoint().x-extents.minPoint().x)*1.1+AcGeVector3d::kYAxis*(extents.maxPoint().y-extents.minPoint().y)*1.1;
pEnt->setTextLocation(pt);
leaderId = AddToCAD(pEnt);
return leaderId;
}
static void DrawZValue( AcGiWorldDraw* mode, double z, const AcGePoint3d& tpt, double angle, double height )
{
AcGeVector3d v( AcGeVector3d::kXAxis );
v.rotateBy( angle, AcGeVector3d::kZAxis );
if( v.x < 0 )
{
angle += PI;
}
CString text;
text.Format( _T( " %.5f " ), z );
AcDbMText mt;
mt.setLocation( tpt );
mt.setTextHeight( height );
mt.setAttachment( AcDbMText::kMiddleCenter );
mt.setRotation( angle );
mt.setBackgroundFill( true );
mt.setUseBackgroundColor( true );
mt.setBackgroundScaleFactor( 1.0 );
mt.setContents( text );
// 经过测试发现，AcDbMText调用worldDraw的同时会修改mode的一些属性
mt.setColorIndex( mode->subEntityTraits().color() );
mt.worldDraw( mode );
}
void DrawMText( AcGiWorldDraw* mode, const AcGePoint3d& pt, double angle, const CString& str, double height, AcDbMText::AttachmentPoint ap, const CString& style )
{
//acutPrintf(_T("\n绘制前--文字颜色:%d"), mode->subEntityTraits().color());
AcDbMText mt;
// //AcDbObjectId style; // 文字样式
AcDbObjectId fontId = GetTextStyle(style);
if(!fontId.isNull())
{
acutPrintf(_T("\n设置样式为罗马字体"));
mt.setTextStyle(fontId);
}
mt.setLocation( pt );
mt.setTextHeight( height );
mt.setAttachment( ap );
mt.setRotation( angle );
mt.setContents( str );
// 经过测试发现，AcDbMText调用worldDraw的同时会修改mode的一些属性
mt.setColorIndex( mode->subEntityTraits().color() );
mt.worldDraw( mode );
//acutPrintf(_T("\n绘制后--文字颜色:%d"), mode->subEntityTraits().color());
}
