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Fixed implementation of Visitor in hierarchy of Nodes.

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brunoherbelin
2020-04-03 23:10:23 +02:00
parent 91043a0c67
commit f071a49187
12 changed files with 426 additions and 194 deletions
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74
SessionVisitor.cpp
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@@ -13,16 +13,18 @@
using namespace tinyxml2;
SessionVisitor::SessionVisitor(std::string filename) : filename_(filename)
SessionVisitor::SessionVisitor()
{
xmlDoc_ = new XMLDocument;
xmlCurrent_ = nullptr;
xmlRoot_ = nullptr;
}
void SessionVisitor::visit(Node &n)
{
XMLElement *newelement = xmlDoc_->NewElement("Node");
// xmlCurrent_->SetAttribute("type", "Undefined");
newelement->SetAttribute("visible", n.visible_);
XMLElement *transform = XMLElementFromGLM(xmlDoc_, n.transform_);
newelement->InsertEndChild(transform);
@@ -47,6 +49,7 @@ void SessionVisitor::visit(Group &n)
// revert to group as current
xmlCurrent_ = group;
}
n.visible_;
}
void SessionVisitor::visit(Switch &n)
@@ -73,37 +76,31 @@ void SessionVisitor::visit(Primitive &n)
}
void SessionVisitor::visit(TexturedRectangle &n)
void SessionVisitor::visit(ImageSurface &n)
{
// Node of a different type
xmlCurrent_->SetAttribute("type", "TexturedRectangle");
xmlCurrent_->SetAttribute("type", "ImageSurface");
XMLText *filename = xmlDoc_->NewText( n.getResourcePath().c_str() );
XMLText *filename = xmlDoc_->NewText( n.getFilename().c_str() );
XMLElement *image = xmlDoc_->NewElement("filename");
image->InsertEndChild(filename);
xmlCurrent_->InsertEndChild(image);
}
void SessionVisitor::visit(MediaRectangle &n)
void SessionVisitor::visit(MediaSurface &n)
{
// Node of a different type
xmlCurrent_->SetAttribute("type", "MediaRectangle");
XMLText *filename = xmlDoc_->NewText( n.getMediaPath().c_str() );
XMLElement *media = xmlDoc_->NewElement("filename");
media->InsertEndChild(filename);
xmlCurrent_->InsertEndChild(media);
xmlCurrent_->SetAttribute("type", "MediaSurface");
n.getMediaPlayer()->accept(*this);
}
void SessionVisitor::visit(MediaPlayer &n)
{
XMLElement *newelement = xmlDoc_->NewElement("MediaPlayer");
newelement->SetAttribute("play", n.isPlaying());
newelement->SetAttribute("loop", (int) n.Loop());
newelement->SetAttribute("speed", n.PlaySpeed());
newelement->SetAttribute("loop", (int) n.loop());
newelement->SetAttribute("speed", n.playSpeed());
xmlCurrent_->InsertEndChild(newelement);
}
@@ -152,23 +149,48 @@ void SessionVisitor::visit(LineStrip &n)
}
}
void SessionVisitor::visit(LineSquare &n)
{
// Node of a different type
xmlCurrent_->SetAttribute("type", "LineSquare");
}
void SessionVisitor::visit(LineCircle &n)
{
// Node of a different type
xmlCurrent_->SetAttribute("type", "LineCircle");
XMLElement *color = XMLElementFromGLM(xmlDoc_, n.getColor());
color->SetAttribute("type", "RGBA");
xmlCurrent_->InsertEndChild(color);
}
void SessionVisitor::visit(Scene &n)
{
std::string s = "Capture time " + GstToolkit::date_time_string();
XMLComment *pComment = xmlDoc_->NewComment(s.c_str());
xmlDoc_->InsertEndChild(pComment);
xmlRoot_ = xmlDoc_->NewElement("Scene");
xmlDoc_->InsertEndChild(xmlRoot_);
// start recursive traverse from root node
xmlCurrent_ = xmlRoot_;
n.getRoot()->accept(*this);
}
void SessionVisitor::save(std::string filename)
{
XMLDeclaration *pDec = xmlDoc_->NewDeclaration();
xmlDoc_->InsertFirstChild(pDec);
XMLElement *pRoot = xmlDoc_->NewElement("Scene");
xmlDoc_->InsertEndChild(pRoot);
std::string s = "Saved on " + GstToolkit::date_time_string();
std::string s = "Save time " + GstToolkit::date_time_string();
XMLComment *pComment = xmlDoc_->NewComment(s.c_str());
pRoot->InsertEndChild(pComment);
xmlDoc_->InsertEndChild(pComment);
// start recursive traverse from root node
xmlCurrent_ = pRoot;
n.getRoot()->accept(*this);
// save scene
XMLError eResult = xmlDoc_->SaveFile(filename_.c_str());
// save session
XMLError eResult = xmlDoc_->SaveFile(filename.c_str());
XMLCheckResult(eResult);
}