bool ArxEntityHelper::GetEntitiesColor( const AcDbObjectIdArray& objIds, AcArray<Adesk::UInt16>& colors )
{
AcTransaction* pTrans = actrTransactionManager->startTransaction();
if( pTrans == 0 ) return false;
bool ret = true; // 默认返回true
int len = objIds.length();
for( int i = 0; i < len; i++ )
{
AcDbObject* pObj;
if( Acad::eOk != pTrans->getObject( pObj, objIds[i], AcDb::kForRead ) )
{
actrTransactionManager->abortTransaction();
ret = false;
colors.removeAll(); // 清空
break;
}
AcDbEntity* pEnt = AcDbEntity::cast( pObj );
if( pEnt == 0 )
{
actrTransactionManager->abortTransaction();
ret = false;
colors.removeAll(); // 清空
break;
}
Adesk::UInt16 ci = pEnt->colorIndex();
colors.append( ci ); // 记录原有的颜色
}
actrTransactionManager->endTransaction();
return ret;
}
virtual Acad::ErrorStatus getOsnapInfo(
AcDbEntity* pickedObject,
Adesk::GsMarker gsSelectionMark,
const AcGePoint3d& pickPoint,
const AcGePoint3d& lastPoint,
const AcGeMatrix3d& viewXform,
AcArray<AcGePoint3d>& snapPoints,
AcArray<int>& geomIdsForPts,
AcArray<AcGeCurve3d*>& snapCurves,
AcArray<int>& geomIdsForLines)
{
// Generic curve function for all AcDbCurves (except AcDbPolylines)
// Protocol Extension insures that the following assertion is always
// true, but check in non-prod versions just to be safe.
assert( pickedObject->isKindOf( AcDbCurve::desc() ));
// but in production, a hard cast is fastest
AcDbCurve *pCurve = (AcDbCurve*)pickedObject;
double startParam, endParam;
AcGePoint3d pt;
Acad::ErrorStatus es;
es=pCurve->getStartParam( startParam);
es=pCurve->getEndParam( endParam );
es=pCurve->getPointAtParam( startParam + ((endParam - startParam) / 3), pt );
assert( Acad::eOk == es);
snapPoints.append( pt );
es=pCurve->getPointAtParam( startParam + ((endParam - startParam) * 2 / 3), pt );
assert(Acad::eOk==es);
snapPoints.append( pt );
if ( pCurve->isClosed() )
{
es=pCurve->getStartPoint( pt );
assert(Acad::eOk==es);
snapPoints.append( pt );
}
return Acad::eOk;
}
void ContourColorDlg::OnBnClickedOk()
{
UpdateData( TRUE );
// 获取图层名称
CString layer;
if( !GetLayer( layer ) )
{
MessageBox( _T( "没有选择包含等值线的图层" ) );
return;
}
AcGeDoubleArray zValues;
AcArray<COLORREF> colors;
int n = m_colorList.GetItemCount();
for( int i = 0; i < n; i++ )
{
ColorListItemData* pData = ( ColorListItemData* )m_colorList.GetItemData( i );
zValues.append( pData->z );
colors.append( pData->rgb );
}
// 删除最后一个z值
zValues.removeLast();
// 删除color list上的附加数据
DeleteColorListItemDatas();
// 获取图层上的等值线信息图元
AcDbObjectId objId = GetContourInfoOnLayer( layer );
SetContourInfo( objId, zValues, colors, m_bFillColor );
// 获取边界坐标数据
AcGePoint3dArray bounds;
GetBoundaryPoints( bounds );
if( bounds.isEmpty() )
{
MessageBox( _T( "请添加一个闭合的井田边界" ) );
return;
}
// 获取点集数据
AcGePoint3dArray datas;
GetContourDatas( objId, datas );
//assert((colors.length()-zValues.length()) == 1);
// 绘制填充
DrawFill( layer, bounds, datas, zValues, colors, m_bFillColor );
OnOK();
}
void LineFrameBuilder::buildFramePoints(AcArray<AcGePoint3d>& arrayPoints, AcDbObjectPointer<AcDbEntity>& lineObject, int granularity)
{
acutPrintf(_T("Building the points using LineFrameBuilder ...\n"));
_pLine = AcDbLine::cast(lineObject);
arrayPoints.append(_pLine->startPoint());
double length;
_pLine->getDistAtPoint(_pLine->endPoint(), length);
acutPrintf(_T("The length and other params: %f, %d, %d ...\n"), length, ((int) length)/granularity, granularity);
for (int i = 1; i< ((int) length)/granularity; i++)
{
AcGePoint3d newPoint;
_pLine->getPointAtDist(i*granularity, newPoint);
arrayPoints.append(newPoint);
}
arrayPoints.append(_pLine->endPoint());
acutPrintf(_T("Built the points using LineFrameBuilder ...\n"));
}
static void addDoc(AcApDocument* pDoc) {
AsdkCmdCountDocData newData;
newData.doc = pDoc;
docData.append(newData);
}
virtual Acad::ErrorStatus getOsnapInfo(
AcDbEntity* pickedObject,
Adesk::GsMarker gsSelectionMark,
const AcGePoint3d& pickPoint,
const AcGePoint3d& lastPoint,
const AcGeMatrix3d& viewXform,
AcArray<AcGePoint3d>& snapPoints,
AcArray<int>& geomIdsForPts,
AcArray<AcGeCurve3d*>& snapCurves,
AcArray<int>& geomIdsForLines)
{
// Specialised implementation for AcDbPolylines:
// Parametrisation of AcDbPolylines is different: each whole numbered paramater appears
// at a vertex, so we cannot simply divide by three to get the correct parameter.
// Protocol Extension insures that the following assertion is always
// true, but check in non-prod versions just to be safe.
assert( pickedObject->isKindOf( AcDbPolyline::desc() ));
// but in production, a hard cast is fastest
AcDbPolyline *pPline = (AcDbPolyline*)pickedObject;
Acad::ErrorStatus es;
if ( bSnapToSegments )
{
// Snap to a third of each of the segments
unsigned int numSegs = pPline->numVerts() - 1;
AcGeLineSeg3d segLn;
AcGeCircArc3d segArc;
double startParam, endParam, newParam, dist;
AcGePoint3d pt;
for ( unsigned int idx = 0; idx < numSegs; idx++ )
{
switch( pPline->segType( idx ))
{
case AcDbPolyline::kLine:
es=pPline->getLineSegAt( idx, segLn );
startParam = segLn.paramOf( segLn.startPoint() );
endParam = segLn.paramOf( segLn.endPoint() );
snapPoints.append(segLn.evalPoint( startParam + ((endParam - startParam) / 3 )));
snapPoints.append(segLn.evalPoint( startParam + ((endParam - startParam) * 2 / 3 )));
break;
case AcDbPolyline::kArc:
es=pPline->getArcSegAt( idx, segArc );
startParam = segArc.paramOf( segArc.startPoint() );
endParam = segArc.paramOf( segArc.endPoint() );
dist = segArc.length( startParam, endParam );
newParam = segArc.paramAtLength( startParam, dist / 3 );
snapPoints.append( segArc.evalPoint( newParam ));
newParam = segArc.paramAtLength( startParam, dist * 2 / 3 );
snapPoints.append( segArc.evalPoint( newParam ));
break;
default:
break;
}
}
}
else {
double endParam;
AcGePoint3d pt;
double dist;
es=pPline->getEndParam( endParam );
es=pPline->getDistAtParam( endParam, dist );
es=pPline->getPointAtDist( dist / 3, pt );
assert(Acad::eOk==es);
snapPoints.append( pt );
es=pPline->getPointAtDist( dist * 2 / 3, pt );
assert(Acad::eOk==es);
snapPoints.append( pt );
if ( pPline->isClosed() )
{
es=pPline->getStartPoint( pt );
snapPoints.append( pt );
}
}
return Acad::eOk;
}