查看外部引用并找到具有给定名称的所有模块的选取点

admin · 发表于 2024-9-20 09:13:24

bool getPoints( const ACHAR *xRefName, const ACHAR *moduleName, std::vector<std::pair<AcGePoint2d,double>> *points )
{
Acad::ErrorStatus errorStatus;
AcDbDatabase *database = acdbHostApplicationServices()->workingDatabase();
AcDbBlockTable *blockTable = NULL;
AcDbBlockTableRecord *blockTableRecord = NULL;
AcDbDatabase *xRefDatabase = NULL;
const ACHAR *xRefPath = NULL;
AcDbDatabase *xRefDWGDatabase = NULL;
AcDbBlockTable *xRefBlockTable = NULL;
AcDbBlockTableRecord *xRefBlockTableRecord = NULL;
AcDbDynBlockTableRecord *xRefDynBlockTableRecord = NULL;
AcDbDynBlockReference *xRefDynBlockTableReference = NULL;
AcDbEntity *ent = NULL;
AcDbBlockReference *ref = NULL;
AcDbObjectIdArray blockIds;
AcDbObjectIdArray refIds;
AcDbObjectIdArray anonyIds;
AcDbObjectId tmp;
AcDbBlockTableRecord *tmpRec;
//xRef transformations
double xOffset = 0;
double yOffset = 0;
double rotation = 0;
//Get the block table for our database
errorStatus = database->getBlockTable(blockTable, AcDb::kForRead);
if( errorStatus != Acad::eOk )
{
acutPrintf(L"\nError getting block table %s", acadErrorStatusText( errorStatus ) );
return false;
}
//Get the block table record for the external reference
errorStatus = blockTable->getAt( xRefName, blockTableRecord, AcDb::kForRead );
if( errorStatus != Acad::eOk )
{
acutPrintf(L"\nError could not get xref %s %s", xRefName, acadErrorStatusText( errorStatus ) );
blockTable->close();
return false;
}
blockTable->close();
//Get the transformation of the xRef
errorStatus = blockTableRecord->getBlockReferenceIds( refIds );
if( errorStatus != Acad::eOk || refIds.length() < 1 )
{
acutPrintf(L"\nError could not get xref reference ids %s", acadErrorStatusText( errorStatus ));
return false;
}
//Open the reference
acdbOpenObject( ent, refIds.at(0), AcDb::kForRead );
if( ent == NULL )
{
acutPrintf(L"\nError could not get xref reference entity %s", acadErrorStatusText( errorStatus ));
return false;
}
//Cast the reference
ref = AcDbBlockReference::cast( ent );
if( ref == NULL )
{
acutPrintf(L"\nError could not get xref reference %s", acadErrorStatusText( errorStatus ));
ent->close();
return false;
}
//Get transformations
xOffset = ref->position().x;
yOffset = ref->position().y;
rotation = ref->rotation();
ref->close();
ent->close();
xRefDatabase = blockTableRecord->xrefDatabase(true);
blockTableRecord->close();
if( xRefDatabase == NULL )
{
acutPrintf(L"\nCould not get external reference database" );
return false;
}
//Get path for external reference dwg file
xRefPath = acdbOriginalXrefFullPathFor( xRefDatabase );
if( xRefPath == NULL )
{
acutPrintf(L"\nCould not get external reference path" );
return false;
}
//Get database for the external reference drawing
xRefDWGDatabase = new AcDbDatabase(Adesk::kFalse);
errorStatus = xRefDWGDatabase->readDwgFile(xRefPath);
if( errorStatus != Acad::eOk )
{
acutPrintf(L"\nError could not read xref file %s", acadErrorStatusText( errorStatus ));
delete xRefDWGDatabase;
return false;
}
//Get the block table for the open model reference file
errorStatus = xRefDWGDatabase->getBlockTable( xRefBlockTable, AcDb::kForRead );
if( errorStatus != Acad::eOk )
{
acutPrintf(L"\nError could not load xref block table %s", acadErrorStatusText( errorStatus ));
delete xRefDWGDatabase;
return false;
}
//delete xRefDWGDatabase;
//Get the definition for the block in the the external reference
errorStatus = xRefBlockTable->getAt( moduleName, xRefBlockTableRecord, AcDb::kForRead );
if( errorStatus != Acad::eOk )
{
acutPrintf(L"\nError could not get xref block table record %s", acadErrorStatusText( errorStatus ));
delete xRefDWGDatabase;
xRefBlockTable->close();
return false;
}
/**
* Note on dynamic blocks
* Dynamic blocks have parameters. Whenever the parameters are changed an "anonymous" block is added to
* the DWG. These anonymous blocks will come up in the xRefBlockTableRecord as *U12 where 12 can be any
* integer. To get these blocks correctly you have to get the block ids associated with the dynamic block
* and then add the points from those blocks.
*/
//Check if the block is dynamic
if( AcDbDynBlockReference::isDynamicBlock( xRefBlockTableRecord->id() ) )
{
//Get ids of anonymous blocks associated with this dynamic block
xRefDynBlockTableRecord = new AcDbDynBlockTableRecord( xRefBlockTableRecord->id() );
errorStatus = xRefDynBlockTableRecord->getAnonymousBlockIds( anonyIds );
if( errorStatus != Acad::eOk )
{
acutPrintf(L"\nError could not get xref anonymous block ids %s", acadErrorStatusText( errorStatus ));
delete xRefDWGDatabase;
xRefBlockTable->close();
return false;
}
//Loop through all anonymous blocks and find the correct records in the block table
for( int i = 0; i < anonyIds.length(); i++ )
{
//Compare with block table record
AcDbBlockTableIterator *it;
errorStatus = xRefBlockTable->newIterator(it);
if( errorStatus != Acad::eOk || it == NULL )
{
acutPrintf(L"\nError could not get block table record iterator %s", acadErrorStatusText( errorStatus ));
continue;
}
while( !it->done() )
{
it->getRecordId(tmp);
if( anonyIds.at(i) == tmp )
{
//If we found the correct record then add its reference ids to our array
errorStatus = it->getRecord( tmpRec, AcDb::kForRead );
if( errorStatus != Acad::eOk )
{
acutPrintf(L"\nError could not get xref block table record %s", acadErrorStatusText( errorStatus ));
it->step();
continue;
}
tmpRec->getBlockReferenceIds( blockIds );
if( errorStatus != Acad::eOk )
{
acutPrintf(L"\nError could not get xref block ids %s", acadErrorStatusText( errorStatus ));
}
tmpRec->close();
}
it->step();
}
delete it;
}
delete xRefDynBlockTableRecord;
}
//We also need to add the references to the block itself
errorStatus = xRefBlockTableRecord->getBlockReferenceIds( blockIds );
if( errorStatus != Acad::eOk )
{
acutPrintf(L"\nError could not get xref block ids %s", acadErrorStatusText( errorStatus ));
xRefBlockTable->close();
return false;
}
xRefBlockTableRecord->close();
//Push all points into the vector
for( int i = 0; i < blockIds.length(); i++ )
{
ent = NULL;
acdbOpenObject( ent, blockIds.at(i), AcDb::kForRead );
if( ent != NULL )
{
ref = NULL;
ref = AcDbBlockReference::cast( ent );
if( ref != NULL )
{
AcGePoint2d pnt;
pnt.x = ref->position().x;
pnt.y = ref->position().y;
//Transfrom point
pnt.x += xOffset;
pnt.y += yOffset;
points->push_back( std::pair<AcGePoint2d,double>(pnt,ref->rotation()) );
}
ent->close();
}
}
xRefBlockTable->close();
delete xRefDWGDatabase;
return true;
}

复制代码

		自动登录	找回密码
密码			立即注册