C++ TStageObject::setSpline方法代码示例

TStageObjectId TColumnDataElement::restoreColumn(TXsheet *xsh, int index, int fxFlags, bool copyPosition) const
{
	bool doClone = (fxFlags & eDoClone);
	bool resetFxDagPositions = (fxFlags & eResetFxDagPositions);

	TXshColumn *column = m_column.getPointer();

	// The xsheet 'changes' if a new column is inserted. If it was already there, no.
	bool xsheetChange = false;
	if (column && column->getXsheet() && column->getXsheet() != xsh)
		xsheetChange = true;

	// Insert a column at the specified index. If a column was stored, insert that one.
	TPointD dagPos = TConst::nowhere;
	if (column) {
		if (column->getFx())
			dagPos = column->getFx()->getAttributes()->getDagNodePos();
		if (doClone)
			column = column->clone();
		xsh->insertColumn(index, column);
	} else
		xsh->insertColumn(index); // Create a new one otherwise

	if (!resetFxDagPositions && dagPos != TConst::nowhere) {
		// Don't accept the default position (fx object)
		TXshColumn *restoredColumn = xsh->getColumn(index);
		restoredColumn->getFx()->getAttributes()->setDagNodePos(dagPos);
	}

	// Retrieve the newly inserted column stage object
	TStageObject *obj = xsh->getStageObject(TStageObjectId::ColumnId(index));
	assert(obj);
	obj->assignParams(m_params, doClone); // Assign the stored params

	if (copyPosition)
		obj->setDagNodePos(m_dagPos);

	// Clone the associated curve if any
	if (xsheetChange && obj->getSpline()) {
		TStageObjectSpline *srcSpl = obj->getSpline();
		TStageObjectSpline *dstSpl = xsh->getStageObjectTree()->createSpline();
		dstSpl->addRef();
		dstSpl->setStroke(new TStroke(*srcSpl->getStroke()));
		obj->setSpline(dstSpl);
	}

	int gridType = xsh->getStageObjectTree()->getDagGridDimension();
	obj->setIsOpened(gridType == 0); // gridType is 0 if the node is opened, 1 if closed
									 // see StageSchematicScene::GridDimension
									 // TODO: Should be made PUBLIC!!

	xsh->updateFrameCount();
	return obj->getId();
}

//.........这里部分代码省略.........
				fxTable[oldLinkedFx] = linkedFx;

				xsh->getFxDag()->getInternalFxs()->addFx(linkedFx);
				if (m_terminalFxs.count(oldLinkedFx) > 0)
					xsh->getFxDag()->getTerminalFxs()->addFx(linkedFx);

				if (!doClone) {
					int fxTypeCount = xsh->getFxDag()->getFxTypeCount(linkedFx);
					int maxFxTypeId = std::max(fxTypeCount, linkedFx->getAttributes()->getId());
					xsh->getFxDag()->updateFxTypeTable(linkedFx, maxFxTypeId);
					xsh->getFxDag()->updateFxIdTable(linkedFx);
				}
			}
		}
	}

	// Update the link, like in functions above
	if (!fxTable.empty() && doClone)
		updateFxLinks(fxTable);

	// Paste any associated spline (not stored im m_splines)
	std::map<TStageObjectSpline *, TStageObjectSpline *> splines;
	for (i = 0; i < (int)restoredIds.size(); ++i) {
		TStageObjectId id = restoredIds[i];
		TStageObject *obj = xsh->getStageObject(id);

		TStageObjectSpline *spline = obj->getSpline();
		if (!spline)
			continue;

		TStageObjectTree *objTree = xsh->getStageObjectTree();
		if (objTree->containsSpline(spline)) // No need to add it if it's already there
			continue;

		std::map<TStageObjectSpline *, TStageObjectSpline *>::iterator it = splines.find(spline);
		if (it != splines.end()) {
			// Seems that multiple objects can have the same spline...
			// BTW, shouldn't this case stop at the continue before ?
			obj->setSpline(it->second);
			continue;
		}

		// The spline was not found. Clone and add it to the xsheet
		TStageObjectSpline *newSpline = spline->clone(); // Not checking doClone ?
		objTree->assignUniqueSplineId(newSpline);
		objTree->insertSpline(newSpline);
		obj->setSpline(newSpline);

		splines[spline] = newSpline;
	}

	//paste stored path
	QList<TSplineDataElement *>::const_iterator splinIt;
	for (splinIt = m_splines.begin(); splinIt != m_splines.end(); ++splinIt) {
		TStageObjectTree *objTree = xsh->getStageObjectTree();
		TSplineDataElement *splineEl = *splinIt;
		TStageObjectSpline *spline = splineEl->restoreSpline(fxFlags);
		if (doClone)
			objTree->assignUniqueSplineId(spline);
		objTree->insertSpline(spline);
		restoredSpline.push_back(spline->getId());
	}

	xsh->updateFrameCount();

	if (pos != TConst::nowhere) {
		// Update objects positions depending on the externally supplied pos

		TPointD middlePos;
		int count = 0;

		for (i = 0; i < (int)restoredIds.size(); ++i) {
			TStageObjectId id = restoredIds[i];
			TStageObject *obj = xsh->getStageObject(id);

			TPointD oldPos = obj->getDagNodePos();
			if (oldPos == TConst::nowhere)
				continue;

			middlePos += oldPos;
			++count;
		}

		middlePos = TPointD(middlePos.x / count, middlePos.y / count);
		TPointD offset = pos - middlePos;

		for (i = 0; i < (int)restoredIds.size(); ++i) {
			TStageObjectId id = restoredIds[i];
			TStageObject *obj = xsh->getStageObject(id);

			TPointD oldPos = obj->getDagNodePos();
			if (oldPos == TConst::nowhere)
				continue;

			obj->setDagNodePos(oldPos + offset);
		}
	}

	return restoredIds;
}