C++ AcDbLayerTableRecord::setColor方法代码示例

void ModifyLayerProp()
{
	CString strLayerName(_T("NewLayer"));

	AcDbLayerTable* pLayerTbl = NULL;
	acdbHostApplicationServices()->workingDatabase()->getLayerTable(pLayerTbl, AcDb::kForRead);

	if (!pLayerTbl->has(strLayerName))
	{
		pLayerTbl->close();
		acutPrintf(_T("\nNo existed layer:\"%s\"."), strLayerName);
		return;
	}

	Acad::ErrorStatus es;
	AcDbLayerTableRecord* pLayerTblRcd = NULL;
	pLayerTbl->getAt(strLayerName, pLayerTblRcd, AcDb::kForWrite);

	AcCmColor oldColor = pLayerTblRcd->color();
	int nCurColor = oldColor.colorIndex();
	int nNewColor = oldColor.colorIndex();

	if (acedSetColorDialog(nNewColor, Adesk::kFalse, nCurColor))
	{
		AcCmColor color;
		color.setColorIndex(nNewColor);
		pLayerTblRcd->setColor(color);
		acutPrintf(_T("\nThe color of  layer:\"%s\" has modified!"), strLayerName);
	}

	pLayerTblRcd->close();
	pLayerTbl->close();
}

static void CheakLayerExit(CString layerName,int colorIndx, AcDb::LineWeight lineWeigt)
{
	//int colorIndx = 7;		//默认的颜色为白色
	//AcDb::LineWeight lineWeigt = AcDb::kLnWt000;

	//lineWeigt = AcDb::kLnWt030;
	AcDbLayerTable* pLayerTbl = NULL;
	// 获取当前的数据库
	AcDbDatabase*pDB=acdbHostApplicationServices()->workingDatabase();
	// 因为要创建新的图层，所以先要以写的方式获取图层表
	pDB->getSymbolTable(pLayerTbl,AcDb::kForWrite);
	// 检查图层是否存在
	if (!pLayerTbl->has(layerName)) {
		// 初始化一个新的对象，并且设置它的属性
		AcDbLayerTableRecord *pLayerTblRcd = new AcDbLayerTableRecord;
		pLayerTblRcd->setName(layerName);
		pLayerTblRcd->setIsFrozen(0); // 图层设置为THAWED（解冻的）
		pLayerTblRcd->setIsOff(0); // 图层设置为ON(开着的)
		pLayerTblRcd->setIsLocked(0); // 图层 un-locked(解锁的)
		AcCmColor color;
		color.setColorIndex(colorIndx); // 图层的颜色设置
		pLayerTblRcd->setColor(color);
		pLayerTblRcd->setLineWeight(lineWeigt);
		// 增加一个新的图层到容器(表)中
		pLayerTbl->add(pLayerTblRcd);
		// 把新建的图层关闭(不要删除它)
		pLayerTblRcd->close();
		// 关闭容器(表)
		pLayerTbl->close();
	}
	else {
		// 如果这个图层已经存在，仅仅需要关闭表继续就是
		AcDbLayerTableRecord *pLayerTblRcd;
		pLayerTbl->getAt(layerName, pLayerTblRcd, AcDb::kForWrite);
		AcCmColor color;
		color.setColorIndex(colorIndx); // 图层的颜色设置
		pLayerTblRcd->setColor(color);
		pLayerTblRcd->setLineWeight(lineWeigt);
		pLayerTblRcd->close();
		pLayerTbl->close();
		//acutPrintf(_T("\nMYLAYER already exists"));
	}

}

// This function creates a new AcDbLayerTableRecord, fills
// it in, and adds it to the layer table
// 
// THE FOLLOWING CODE APPEARS IN THE SDK DOCUMENT.
//
void
addLayer()
{
    AcDbLayerTable *pLayerTbl;
    acdbHostApplicationServices()->workingDatabase()
        ->getSymbolTable(pLayerTbl, AcDb::kForWrite);

    if (!pLayerTbl->has(_T("ASDK_TESTLAYER"))) {
        AcDbLayerTableRecord *pLayerTblRcd
            = new AcDbLayerTableRecord;
        pLayerTblRcd->setName(_T("ASDK_TESTLAYER"));
        pLayerTblRcd->setIsFrozen(0);// layer to THAWED
        pLayerTblRcd->setIsOff(0);   // layer to ON
        pLayerTblRcd->setVPDFLT(0);  // viewport default
        pLayerTblRcd->setIsLocked(0);// un-locked

        AcCmColor color;
        color.setColorIndex(1); // set color to red
        pLayerTblRcd->setColor(color);

        // For linetype, we need to provide the object ID of
        // the linetype record for the linetype we want to
        // use.  First, we need to get the object ID.
	//
        AcDbLinetypeTable *pLinetypeTbl;
        AcDbObjectId ltId;
        acdbHostApplicationServices()->workingDatabase()
            ->getSymbolTable(pLinetypeTbl, AcDb::kForRead);
        if ((pLinetypeTbl->getAt(_T("DASHED"), ltId))
            != Acad::eOk)
        {
            acutPrintf(_T("\nUnable to find DASHED")
                _T(" linetype. Using CONTINUOUS"));
            
            // CONTINUOUS is in every drawing, so use it.
            //
            pLinetypeTbl->getAt(_T("CONTINUOUS"), ltId);
        }
        pLinetypeTbl->close();

        pLayerTblRcd->setLinetypeObjectId(ltId);
        pLayerTbl->add(pLayerTblRcd);
        pLayerTblRcd->close();
        pLayerTbl->close();
    } else {
        pLayerTbl->close();
        acutPrintf(_T("\nlayer already exists"));
    }
}

void CreateLayer()
{
	Acad::ErrorStatus es;
	ACHAR szNewName[255];
	_tcscpy(szNewName, _T("NewLayer"));

	AcDbDatabase* pCurDb = acdbHostApplicationServices()->workingDatabase();
	if (pCurDb == NULL)
	{
		acutPrintf(_T("\nError:Current database is NULL!"));
		return;
	}

	AcDbLayerTableRecord* pNewLayer = new AcDbLayerTableRecord;
	es = pNewLayer->setName(szNewName);
	if (es != Acad::eOk)
	{
		acutPrintf(_T("\nFailed setName of the layer!"));
		delete pNewLayer;
		return;
	}

	AcCmColor cmColor;
	cmColor.setColorIndex(1);
	pNewLayer->setColor(cmColor);

	pNewLayer->setIsFrozen(false);
	pNewLayer->setIsOff(false);
	pNewLayer->setVPDFLT(false);
	pNewLayer->setIsLocked(false);

	bool bStat = false;
	AcDbLayerTable* pLayerTbl = NULL;
	es = pCurDb->getLayerTable(pLayerTbl, AcDb::kForWrite);
	if (es == Acad::eOk)
	{
		if (pLayerTbl->has(szNewName))
		{
			acutPrintf(_T("\nThe Layer \"%s\" has existed!"), szNewName);
			delete pNewLayer;
		}
		else
		{
			es = pLayerTbl->add(pNewLayer);
			if (es == Acad::eOk)
			{
				bStat = true;
				pNewLayer->close();
			}
			else
			{
				acutPrintf(_T("\nFailed to add a new layer in LayerTable!"));
				delete pNewLayer;
			}
		}

		pLayerTbl->close();
	}

	if (bStat)
	{
		acutPrintf(_T("\nCreated the new layer: \"%s\" successfully!"), szNewName);
	}
	else
	{
		acutPrintf(_T("\nFailed to create the layer: \"%s\""), szNewName);
	}
}