Swiftdiff options
Diffstat (limited to 'Swiften/Serializer/PayloadSerializers/WhiteboardSerializer.cpp')
| -rw-r--r-- | Swiften/Serializer/PayloadSerializers/WhiteboardSerializer.cpp | 205 |
1 files changed, 205 insertions, 0 deletions
diff --git a/Swiften/Serializer/PayloadSerializers/WhiteboardSerializer.cpp b/Swiften/Serializer/PayloadSerializers/WhiteboardSerializer.cpp new file mode 100644 index 0000000..148f643 --- /dev/null +++ b/Swiften/Serializer/PayloadSerializers/WhiteboardSerializer.cpp @@ -0,0 +1,205 @@ +/* + * Copyright (c) 2012 Mateusz Piękos + * Licensed under the simplified BSD license. + * See Documentation/Licenses/BSD-simplified.txt for more information. + */ + +#include <Swiften/Serializer/PayloadSerializers/WhiteboardSerializer.h> + +#include <boost/smart_ptr/make_shared.hpp> +#include <boost/lexical_cast.hpp> +#include <Swiften/Serializer/XML/XMLTextNode.h> +#include <Swiften/Elements/Whiteboard/WhiteboardInsertOperation.h> +#include <Swiften/Elements/Whiteboard/WhiteboardUpdateOperation.h> +#include <Swiften/Elements/Whiteboard/WhiteboardDeleteOperation.h> + +namespace Swift { + void WhiteboardElementSerializingVisitor::visit(WhiteboardLineElement& line) { + element = boost::make_shared<XMLElement>("line"); + try { + element->setAttribute("x1", boost::lexical_cast<std::string>(line.x1())); + element->setAttribute("y1", boost::lexical_cast<std::string>(line.y1())); + element->setAttribute("x2", boost::lexical_cast<std::string>(line.x2())); + element->setAttribute("y2", boost::lexical_cast<std::string>(line.y2())); + element->setAttribute("id", line.getID()); + element->setAttribute("stroke", line.getColor().toHex()); + element->setAttribute("stroke-width", boost::lexical_cast<std::string>(line.getPenWidth())); + element->setAttribute("opacity", alphaToOpacity(line.getColor().getAlpha())); + } catch (boost::bad_lexical_cast&) { + } + } + + void WhiteboardElementSerializingVisitor::visit(WhiteboardFreehandPathElement& path) { + element = boost::make_shared<XMLElement>("path"); + element->setAttribute("id", path.getID()); + element->setAttribute("stroke", path.getColor().toHex()); + try { + element->setAttribute("stroke-width", boost::lexical_cast<std::string>(path.getPenWidth())); + element->setAttribute("opacity", alphaToOpacity(path.getColor().getAlpha())); + std::string pathData; + if (path.getPoints().size() != 0) { + std::vector<std::pair<int, int> >::const_iterator it = path.getPoints().begin(); + pathData = "M"+boost::lexical_cast<std::string>(it->first)+" "+boost::lexical_cast<std::string>(it->second)+"L"; + for (; it != path.getPoints().end(); ++it) { + pathData += boost::lexical_cast<std::string>(it->first)+" "+boost::lexical_cast<std::string>(it->second)+" "; + } + } + element->setAttribute("d", pathData); + } catch (boost::bad_lexical_cast&) { + } + } + + void WhiteboardElementSerializingVisitor::visit(WhiteboardRectElement& rect) { + element = boost::make_shared<XMLElement>("rect"); + try { + element->setAttribute("x", boost::lexical_cast<std::string>(rect.getX())); + element->setAttribute("y", boost::lexical_cast<std::string>(rect.getY())); + element->setAttribute("width", boost::lexical_cast<std::string>(rect.getWidth())); + element->setAttribute("height", boost::lexical_cast<std::string>(rect.getHeight())); + element->setAttribute("id", rect.getID()); + element->setAttribute("stroke", rect.getPenColor().toHex()); + element->setAttribute("fill", rect.getBrushColor().toHex());; + element->setAttribute("stroke-width", boost::lexical_cast<std::string>(rect.getPenWidth())); + element->setAttribute("opacity", alphaToOpacity(rect.getPenColor().getAlpha())); + element->setAttribute("fill-opacity", alphaToOpacity(rect.getBrushColor().getAlpha())); + } catch (boost::bad_lexical_cast&) { + } + } + + void WhiteboardElementSerializingVisitor::visit(WhiteboardPolygonElement& polygon) { + element = boost::make_shared<XMLElement>("polygon"); + try { + element->setAttribute("id", polygon.getID()); + element->setAttribute("stroke", polygon.getPenColor().toHex()); + element->setAttribute("fill", polygon.getBrushColor().toHex());; + element->setAttribute("stroke-width", boost::lexical_cast<std::string>(polygon.getPenWidth())); + element->setAttribute("opacity", alphaToOpacity(polygon.getPenColor().getAlpha())); + element->setAttribute("fill-opacity", alphaToOpacity(polygon.getBrushColor().getAlpha())); + std::string points; + std::vector<std::pair<int, int> >::const_iterator it = polygon.getPoints().begin(); + for (; it != polygon.getPoints().end(); ++it) { + points += boost::lexical_cast<std::string>(it->first)+","+boost::lexical_cast<std::string>(it->second)+" "; + } + element->setAttribute("points", points); + } catch (boost::bad_lexical_cast&) { + } + } + + void WhiteboardElementSerializingVisitor::visit(WhiteboardTextElement& text) { + element = boost::make_shared<XMLElement>("text"); + try { + element->setAttribute("x", boost::lexical_cast<std::string>(text.getX())); + element->setAttribute("y", boost::lexical_cast<std::string>(text.getY())); + element->setAttribute("font-size", boost::lexical_cast<std::string>(text.getSize())); + element->setAttribute("id", text.getID()); + element->setAttribute("fill", text.getColor().toHex()); + element->setAttribute("opacity", alphaToOpacity(text.getColor().getAlpha())); + element->addNode(boost::make_shared<XMLTextNode>(text.getText())); + } catch (boost::bad_lexical_cast&) { + } + } + + void WhiteboardElementSerializingVisitor::visit(WhiteboardEllipseElement& ellipse) { + element = boost::make_shared<XMLElement>("ellipse"); + try { + element->setAttribute("cx", boost::lexical_cast<std::string>(ellipse.getCX())); + element->setAttribute("cy", boost::lexical_cast<std::string>(ellipse.getCY())); + element->setAttribute("rx", boost::lexical_cast<std::string>(ellipse.getRX())); + element->setAttribute("ry", boost::lexical_cast<std::string>(ellipse.getRY())); + element->setAttribute("id", ellipse.getID()); + element->setAttribute("stroke", ellipse.getPenColor().toHex()); + element->setAttribute("fill", ellipse.getBrushColor().toHex());; + element->setAttribute("stroke-width", boost::lexical_cast<std::string>(ellipse.getPenWidth())); + element->setAttribute("opacity", alphaToOpacity(ellipse.getPenColor().getAlpha())); + element->setAttribute("fill-opacity", alphaToOpacity(ellipse.getBrushColor().getAlpha())); + } catch (boost::bad_lexical_cast&) { + } + } + + std::string WhiteboardElementSerializingVisitor::intToStr(const int t) const { + std::stringstream ss; + ss << t; + return ss.str(); + } + + XMLElement::ref WhiteboardElementSerializingVisitor::getResult() const { + return element; + } + + std::string WhiteboardElementSerializingVisitor::alphaToOpacity(int alpha) const { + int opacity = 100*alpha/254; + if (opacity == 100) { + return "1"; + } else { + return "."+boost::lexical_cast<std::string>(opacity); + } + } + + std::string WhiteboardSerializer::serializePayload(boost::shared_ptr<WhiteboardPayload> payload) const { + XMLElement element("wb", "http://swift.im/whiteboard"); + if (payload->getType() == WhiteboardPayload::Data) { + XMLElement::ref operationNode = boost::make_shared<XMLElement>("operation"); + WhiteboardElementSerializingVisitor visitor; +// payload->getElement()->accept(visitor); + WhiteboardInsertOperation::ref insertOp = boost::dynamic_pointer_cast<WhiteboardInsertOperation>(payload->getOperation()); + if (insertOp) { + try { + operationNode->setAttribute("type", "insert"); + operationNode->setAttribute("pos", boost::lexical_cast<std::string>(insertOp->getPos())); + operationNode->setAttribute("id", insertOp->getID()); + operationNode->setAttribute("parentid", insertOp->getParentID()); + } catch (boost::bad_lexical_cast&) { + } + insertOp->getElement()->accept(visitor); + operationNode->addNode(visitor.getResult()); + } + WhiteboardUpdateOperation::ref updateOp = boost::dynamic_pointer_cast<WhiteboardUpdateOperation>(payload->getOperation()); + if (updateOp) { + try { + operationNode->setAttribute("type", "update"); + operationNode->setAttribute("pos", boost::lexical_cast<std::string>(updateOp->getPos())); + operationNode->setAttribute("id", updateOp->getID()); + operationNode->setAttribute("parentid", updateOp->getParentID()); + operationNode->setAttribute("newpos", boost::lexical_cast<std::string>(updateOp->getNewPos())); + } catch (boost::bad_lexical_cast&) { + } + updateOp->getElement()->accept(visitor); + operationNode->addNode(visitor.getResult()); + + } + + WhiteboardDeleteOperation::ref deleteOp = boost::dynamic_pointer_cast<WhiteboardDeleteOperation>(payload->getOperation()); + if (deleteOp) { + try { + operationNode->setAttribute("type", "delete"); + operationNode->setAttribute("pos", boost::lexical_cast<std::string>(deleteOp->getPos())); + operationNode->setAttribute("id", deleteOp->getID()); + operationNode->setAttribute("parentid", deleteOp->getParentID()); + operationNode->setAttribute("elementid", deleteOp->getElementID()); + } catch (boost::bad_lexical_cast&) { + } + } + element.addNode(operationNode); + } + element.setAttribute("type", typeToString(payload->getType())); + return element.serialize(); + } + + std::string WhiteboardSerializer::typeToString(WhiteboardPayload::Type type) const { + switch (type) { + case WhiteboardPayload::Data: + return "data"; + case WhiteboardPayload::SessionRequest: + return "session-request"; + case WhiteboardPayload::SessionAccept: + return "session-accept"; + case WhiteboardPayload::SessionTerminate: + return "session-terminate"; + case WhiteboardPayload::UnknownType: + std::cerr << "Serializing unknown action value." << std::endl; + return ""; + } + assert(false); + return ""; + } +} |