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Save thumbnail of session when storing history or snapshot

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Bruno
2021-04-25 00:27:59 +02:00
parent d371f6ae8e
commit c7962abfbb
2 changed files with 84 additions and 46 deletions
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124
ActionManager.cpp
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@@ -20,11 +20,41 @@
#define ACTION_DEBUG
#endif
#define HISTORY_NODE(i) std::to_string(i).insert(0, "H").c_str()
#define SNAPSHOT_NODE(i) std::to_string(i).insert(0, "S").c_str()
#define HISTORY_NODE(i) std::to_string(i).insert(0, "H")
#define SNAPSHOT_NODE(i) std::to_string(i).insert(0, "S")
using namespace tinyxml2;
void captureMixerSession(tinyxml2::XMLDocument *doc, std::string node, std::string label)
{
// get session to operate on
Session *se = Mixer::manager().session();
se->lock();
// create node
XMLElement *sessionNode = doc->NewElement( node.c_str() );
doc->InsertEndChild(sessionNode);
// label describes the action
sessionNode->SetAttribute("label", label.c_str() );
// view indicates the view when this action occured
sessionNode->SetAttribute("view", (int) Mixer::manager().view()->mode());
// get the thumbnail (requires one opengl update to render)
FrameBufferImage *thumbnail = se->thumbnail();
XMLElement *imageelement = SessionVisitor::ImageToXML(thumbnail, doc);
if (imageelement)
sessionNode->InsertEndChild(imageelement);
delete thumbnail;
// save all sources using source visitor
SessionVisitor sv(doc, sessionNode);
for (auto iter = se->begin(); iter != se->end(); ++iter, sv.setRoot(sessionNode) )
(*iter)->accept(sv);
se->unlock();
}
Action::Action(): history_step_(0), history_max_step_(0), locked_(false),
snapshot_id_(0), snapshot_node_(nullptr), interpolator_(nullptr), interpolator_node_(nullptr)
{
@@ -56,32 +86,18 @@ void Action::store(const std::string &label)
// erase future
for (uint e = history_step_; e <= history_max_step_; e++) {
XMLElement *node = history_doc_.FirstChildElement( HISTORY_NODE(e) );
XMLElement *node = history_doc_.FirstChildElement( HISTORY_NODE(e).c_str() );
if ( node )
history_doc_.DeleteChild(node);
}
history_max_step_ = history_step_;
// create history node
XMLElement *sessionNode = history_doc_.NewElement( HISTORY_NODE(history_step_) );
history_doc_.InsertEndChild(sessionNode);
// label describes the action
sessionNode->SetAttribute("label", label.c_str());
// view indicates the view when this action occured
sessionNode->SetAttribute("view", (int) Mixer::manager().view()->mode());
// threaded capturing state of current session
std::thread(captureMixerSession, &history_doc_, HISTORY_NODE(history_step_), label).detach();
// get session to operate on
Session *se = Mixer::manager().session();
// save all sources using source visitor
SessionVisitor sv(&history_doc_, sessionNode);
for (auto iter = se->begin(); iter != se->end(); ++iter, sv.setRoot(sessionNode) )
(*iter)->accept(sv);
// debug
#ifdef ACTION_DEBUG
Log::Info("Action stored %d '%s'", history_step_, label.c_str());
// XMLSaveDoc(&xmlDoc_, "/home/bhbn/history.xml");
XMLSaveDoc(&history_doc_, "/home/bhbn/history.xml");
#endif
}
@@ -121,12 +137,26 @@ std::string Action::label(uint s) const
std::string l = "";
if (s > 0 && s <= history_max_step_) {
const XMLElement *sessionNode = history_doc_.FirstChildElement( HISTORY_NODE(s));
l = sessionNode->Attribute("label");
const XMLElement *sessionNode = history_doc_.FirstChildElement( HISTORY_NODE(s).c_str());
if (sessionNode)
l = sessionNode->Attribute("label");
}
return l;
}
FrameBufferImage *Action::thumbnail(uint s) const
{
FrameBufferImage *img = nullptr;
if (s > 0 && s <= history_max_step_) {
const XMLElement *sessionNode = history_doc_.FirstChildElement( HISTORY_NODE(s).c_str());
if (sessionNode)
img = SessionLoader::XMLToImage(sessionNode);
}
return img;
}
void Action::restore(uint target)
{
// lock
@@ -134,7 +164,7 @@ void Action::restore(uint target)
// get history node of target step
history_step_ = CLAMP(target, 1, history_max_step_);
XMLElement *sessionNode = history_doc_.FirstChildElement( HISTORY_NODE(history_step_) );
XMLElement *sessionNode = history_doc_.FirstChildElement( HISTORY_NODE(history_step_).c_str() );
if (sessionNode) {
@@ -152,34 +182,24 @@ void Action::restore(uint target)
locked_ = false;
}
void Action::snapshot(const std::string &label)
{
// ignore if locked or if no label is given
if (locked_ || label.empty())
return;
// get session to operate on
Session *se = Mixer::manager().session();
// create snapshot id
u_int64_t id = GlmToolkit::uniqueId();
// get session to operate on
Session *se = Mixer::manager().session();
se->snapshots()->keys_.push_back(id);
// create snapshot node
XMLElement *sessionNode = se->snapshots()->xmlDoc_->NewElement( SNAPSHOT_NODE(id) );
se->snapshots()->xmlDoc_->InsertEndChild(sessionNode);
// threaded capture state of current session
std::thread(captureMixerSession, se->snapshots()->xmlDoc_, SNAPSHOT_NODE(id), label).detach();
// label describes the snapshot
sessionNode->SetAttribute("label", label.c_str());
// save all sources using source visitor
SessionVisitor sv(se->snapshots()->xmlDoc_, sessionNode);
for (auto iter = se->begin(); iter != se->end(); ++iter, sv.setRoot(sessionNode) )
(*iter)->accept(sv);
// TODO: copy current action history instead?
// debug
#ifdef ACTION_DEBUG
Log::Info("Snapshot stored %d '%s'", id, label.c_str());
#endif
@@ -191,7 +211,7 @@ void Action::open(uint64_t snapshotid)
{
// get snapshot node of target in current session
Session *se = Mixer::manager().session();
snapshot_node_ = se->snapshots()->xmlDoc_->FirstChildElement( SNAPSHOT_NODE(snapshotid) );
snapshot_node_ = se->snapshots()->xmlDoc_->FirstChildElement( SNAPSHOT_NODE(snapshotid).c_str() );
if (snapshot_node_)
snapshot_id_ = snapshotid;
@@ -220,7 +240,7 @@ void Action::replace(uint64_t snapshotid)
se->snapshots()->xmlDoc_->DeleteChild( snapshot_node_ );
// create snapshot node
snapshot_node_ = se->snapshots()->xmlDoc_->NewElement( SNAPSHOT_NODE(snapshot_id_) );
snapshot_node_ = se->snapshots()->xmlDoc_->NewElement( SNAPSHOT_NODE(snapshot_id_).c_str() );
se->snapshots()->xmlDoc_->InsertEndChild(snapshot_node_);
// save all sources using source visitor
@@ -242,8 +262,7 @@ void Action::replace(uint64_t snapshotid)
std::list<uint64_t> Action::snapshots() const
{
Session *se = Mixer::manager().session();
return se->snapshots()->keys_;
return Mixer::manager().session()->snapshots()->keys_;
}
std::string Action::label(uint64_t snapshotid) const
@@ -252,7 +271,7 @@ std::string Action::label(uint64_t snapshotid) const
// get snapshot node of target in current session
Session *se = Mixer::manager().session();
const XMLElement *snap = se->snapshots()->xmlDoc_->FirstChildElement( SNAPSHOT_NODE(snapshotid) );
const XMLElement *snap = se->snapshots()->xmlDoc_->FirstChildElement( SNAPSHOT_NODE(snapshotid).c_str() );
if (snap)
label = snap->Attribute("label");
@@ -268,6 +287,21 @@ void Action::setLabel (uint64_t snapshotid, const std::string &label)
snapshot_node_->SetAttribute("label", label.c_str());
}
FrameBufferImage *Action::thumbnail(uint64_t snapshotid) const
{
FrameBufferImage *img = nullptr;
// get snapshot node of target in current session
Session *se = Mixer::manager().session();
const XMLElement *snap = se->snapshots()->xmlDoc_->FirstChildElement( SNAPSHOT_NODE(snapshotid).c_str() );
if (snap){
img = SessionLoader::XMLToImage(snap);
}
return img;
}
void Action::remove(uint64_t snapshotid)
{
if (snapshotid > 0)