AcDbObjectId CArxHelper::InsertBlock(const AcDbObjectId& blockId, const AcGePoint3d& ptInsert, double dAngle)
{
AcDbBlockReference* pBlockReference = new AcDbBlockReference();
pBlockReference->setBlockTableRecord(blockId);
pBlockReference->setNormal(AcGeVector3d::kZAxis);
pBlockReference->setPosition(ptInsert);
pBlockReference->setRotation(dAngle);
return AddToCAD(pBlockReference);
}
void
addBlockWithAttributes()
{
// Get an insertion point for the block reference,
// definition, and attribute definition.
//
AcGePoint3d basePoint;
if (acedGetPoint(NULL, "\nEnter insertion point: ",
asDblArray(basePoint)) != RTNORM)
return;
// Get the rotation angle for the attribute definition.
//
double textAngle;
if (acedGetAngle(asDblArray(basePoint),
"\nEnter rotation angle: ", &textAngle) != RTNORM)
return;
// Define the height used for the attribute definition text.
//
double textHeight;
if (acedGetDist(asDblArray(basePoint),
"\nEnter text height: ", &textHeight) != RTNORM)
return;
// Build the block definition to be inserted.
//
AcDbObjectId blockId;
defineBlockWithAttributes(blockId, basePoint,
textHeight, textAngle);
// Step 1: Allocate a block reference object.
//
AcDbBlockReference *pBlkRef = new AcDbBlockReference;
// Step 2: Set up the block reference to the newly
// created block definition.
//
pBlkRef->setBlockTableRecord(blockId);
// Give it the current UCS normal.
//
struct resbuf to, from;
from.restype = RTSHORT;
from.resval.rint = 1; // UCS
to.restype = RTSHORT;
to.resval.rint = 0; // WCS
AcGeVector3d normal(0.0, 0.0, 1.0);
acedTrans(&(normal.x), &from, &to, Adesk::kTrue,
&(normal.x));
// Set the insertion point for the block reference.
//
pBlkRef->setPosition(basePoint);
// Indicate the LCS 0.0 angle, not necessarily the UCS 0.0 angle.
//
pBlkRef->setRotation(0.0);
pBlkRef->setNormal(normal);
// Step 3: Open the current database's model space
// block Table Record.
//
AcDbBlockTable *pBlockTable;
acdbHostApplicationServices()->workingDatabase()
->getSymbolTable(pBlockTable, AcDb::kForRead);
AcDbBlockTableRecord *pBlockTableRecord;
pBlockTable->getAt(ACDB_MODEL_SPACE, pBlockTableRecord,
AcDb::kForWrite);
pBlockTable->close();
// Append the block reference to the model space
// block Table Record.
//
AcDbObjectId newEntId;
pBlockTableRecord->appendAcDbEntity(newEntId, pBlkRef);
pBlockTableRecord->close();
// Step 4: Open the block definition for read.
//
AcDbBlockTableRecord *pBlockDef;
acdbOpenObject(pBlockDef, blockId, AcDb::kForRead);
// Set up a block table record iterator to iterate
// over the attribute definitions.
//
AcDbBlockTableRecordIterator *pIterator;
pBlockDef->newIterator(pIterator);
AcDbEntity *pEnt;
AcDbAttributeDefinition *pAttdef;
for (pIterator->start(); !pIterator->done();
pIterator->step())
{
// Get the next entity.
//
pIterator->getEntity(pEnt, AcDb::kForRead);
// Make sure the entity is an attribute definition
// and not a constant.
//
pAttdef = AcDbAttributeDefinition::cast(pEnt);
if (pAttdef != NULL && !pAttdef->isConstant()) {
// We have a non-constant attribute definition,
// so build an attribute entity.
//
AcDbAttribute *pAtt = new AcDbAttribute();
pAtt->setPropertiesFrom(pAttdef);
pAtt->setInvisible(pAttdef->isInvisible());
// Translate the attribute by block reference.
// To be really correct, the entire block
// reference transform should be applied here.
//
basePoint = pAttdef->position();
basePoint += pBlkRef->position().asVector();
pAtt->setPosition(basePoint);
pAtt->setHeight(pAttdef->height());
pAtt->setRotation(pAttdef->rotation());
pAtt->setTag("Tag");
pAtt->setFieldLength(25);
char *pStr = pAttdef->tag();
pAtt->setTag(pStr);
free(pStr);
pAtt->setFieldLength(pAttdef->fieldLength());
// The database column value should be displayed.
// INSERT prompts for this.
//
pAtt->setTextString("Assigned Attribute Value");
AcDbObjectId attId;
pBlkRef->appendAttribute(attId, pAtt);
pAtt->close();
}
pEnt->close(); // use pEnt... pAttdef might be NULL
}
delete pIterator;
pBlockDef->close();
pBlkRef->close();
}
