C++ (Cpp) acad_malloc Examples

Example #1

File: utils.c Project: gmischler/Dxf2rad-Radout

/*  Strip the filename of its prefix and make a new copy.
 */
#ifdef _WIN32
#define PATHSEPCHAR '\\'
#else
#define PATHSEPCHAR '/'
#endif /* _WIN32 */
char *StripPrefix(char *name)

{
    char *ptr, *nptr;

    if ((ptr = strrchr(name, PATHSEPCHAR)) == NULL)
        return StrDup(name);
	if (NULL == (nptr = StrDup(ptr+1))) {
		nptr = acad_malloc(sizeof(""));
		nptr[0] = '\0';
	}
	return nptr;
}

Example #2

File: AsdkLongTransSample.cpp Project: kevinzhwl/ObjectARXMod

void
refEditApiExample()
{

    AcDbObjectId transId;
    AcDbDatabase* pDb;
    char *fname;
    struct resbuf *rb;

    // Get a dwg file from the user.
    //
    rb = acutNewRb(RTSTR);
    int stat = acedGetFileD("Pick a drawing", NULL, "dwg", 0, rb);
    
    if ((stat != RTNORM) || (rb == NULL)) {
        acutPrintf("\nYou must pick a drawing file.");
        return;
    }

    fname = (char*)acad_malloc(strlen(rb->resval.rstring) + 1);
    strcpy(fname, rb->resval.rstring);
    acutRelRb(rb);
    
    // Open the dwg file.
    //
    pDb = new AcDbDatabase(Adesk::kFalse);
    if (pDb->readDwgFile(fname) != Acad::eOk) {
        acutPrintf("\nSorry, that draing is probably already open.");
        return;
    }

    // Get the Block Table and then the model space record.
    //
    AcDbBlockTable *pBlockTable;
    pDb->getSymbolTable(pBlockTable, AcDb::kForRead);
    AcDbBlockTableRecord *pOtherMsBtr;
    pBlockTable->getAt(ACDB_MODEL_SPACE, pOtherMsBtr, AcDb::kForRead);
    pBlockTable->close();

    // Create an iterator.
    //
    AcDbBlockTableRecordIterator *pIter;
    pOtherMsBtr->newIterator(pIter);

    // Set up an object ID array.
    //
    AcDbObjectIdArray objIdArray;

    // Iterate over the model space BTR. Look specifically 
    // for lines and append their object ID to the array.
    //
    for (pIter->start(); !pIter->done(); pIter->step()) {
        AcDbEntity *pEntity;
        pIter->getEntity(pEntity, AcDb::kForRead);

        // Look for only AcDbLine objects and add them to the 
        // object ID array.
        //
        if (pEntity->isKindOf(AcDbLine::desc())) {
            objIdArray.append(pEntity->objectId());
        }
        pEntity->close();
    }
    delete pIter;
    pOtherMsBtr->close();

    if (objIdArray.isEmpty()) {
        acad_free(fname);
        acutPrintf("\nYou must pick a drawing file that contains lines.");
        return;
    }

    // Now get the current database and the object ID for the
    // current database's model space BTR.
    //
    AcDbBlockTable *pThisBlockTable;
    acdbHostApplicationServices()->workingDatabase()
        ->getSymbolTable(pThisBlockTable, AcDb::kForRead);

    AcDbBlockTableRecord *pThisMsBtr;
    pThisBlockTable->getAt(ACDB_MODEL_SPACE, pThisMsBtr, AcDb::kForWrite);
    pThisBlockTable->close();
    
    AcDbObjectId id = pThisMsBtr->objectId();
    pThisMsBtr->close();


    // Create the long transaction. This will check all the entities 
    // out of the external database.
    //
    AcDbIdMapping errorMap;
    acapLongTransactionManagerPtr()->checkOut(transId, objIdArray, id, errorMap);

    // Now modify the color of these entities.
    //
    int colorIndex;
    acedGetInt("\nEnter color number to change entities to: ", &colorIndex);
    AcDbObject* pObj;
    if (acdbOpenObject(pObj, transId, AcDb::kForRead) == Acad::eOk) {

        // Get a pointer to the transaction.
        //
        AcDbLongTransaction* pLongTrans = AcDbLongTransaction::cast(pObj);
        if (pLongTrans != NULL) {

            // Get a work set iterator.
            //
            AcDbLongTransWorkSetIterator* pWorkSetIter;
            pLongTrans->newWorkSetIterator(pWorkSetIter);

            // Iterate over the entities in the work set and change the color.
            //
            for (pWorkSetIter->start(); !pWorkSetIter->done(); pWorkSetIter->step()) {
                AcDbEntity *pEntity;
                acdbOpenAcDbEntity(pEntity, pWorkSetIter->objectId(), AcDb::kForWrite);
                pEntity->setColorIndex(colorIndex);
                pEntity->close();
            }
            delete pWorkSetIter;
        }
        pObj->close();
    }

    // Pause to see the change.
    //
    char str[132];
    acedGetString(0, "\nSee the new colors. Press return to check the object into the original database", str);

    // Check the entities back in to the original database.
    //
    acapLongTransactionManagerPtr()->checkIn(transId, errorMap);

    // Save the original database, since we have made changes.
    //
    pDb->saveAs(fname);

    // Close/Delete the database
    //
    delete pDb;
    pDb = NULL;

    acad_free(fname);
}