From bff654a070f705f7fe28c8af27b2f8d0eaa02433 Mon Sep 17 00:00:00 2001
From: Joseph Mirabel <jmirabel@laas.fr>
Date: Mon, 23 Feb 2015 19:29:17 +0100
Subject: [PATCH] Add screen capture functionality
---
idl/gepetto/viewer/graphical-interface.idl | 15 ++++++++
src/graphical-interface.impl.cpp | 41 ++++++++++++++++++++++
src/graphical-interface.impl.hh | 3 ++
3 files changed, 59 insertions(+)
diff --git a/idl/gepetto/viewer/graphical-interface.idl b/idl/gepetto/viewer/graphical-interface.idl
index 90ef3cd..de23ed8 100644
--- a/idl/gepetto/viewer/graphical-interface.idl
+++ b/idl/gepetto/viewer/graphical-interface.idl
@@ -208,6 +208,21 @@ typedef double Color [4];
/// \param input nodeName : name of the node.
/// \param input lightingMode : lighting mode can be "ON" or "OFF".
boolean setLightingMode(in string nodeName, in string lightingMode) raises (Error);
+
+ /// Start capturing a window into image files.
+ /// \param windowId the ID of the window
+ /// \param filename, extension image files will be
+ /// '<filename>_<sequence_number>.<extension>'
+ ///
+ /// \note To make a movie from the sequence of images, you can run:
+ /// \code
+ /// ffmpeg -r 25 -b 1800 -i capture_0_%d.jpeg video.mp4
+ /// \endcode
+ boolean startCapture (in unsigned long windowId, in string filename,
+ in string extension) raises (Error);
+
+ /// Stop the running capture of a window.
+ boolean stopCapture (in unsigned long windowId) raises (Error);
};
};
};
diff --git a/src/graphical-interface.impl.cpp b/src/graphical-interface.impl.cpp
index 73758f0..1506a3b 100644
--- a/src/graphical-interface.impl.cpp
+++ b/src/graphical-interface.impl.cpp
@@ -200,6 +200,9 @@ namespace graphics {
it != newNodeConfigurations_.end (); it++) {
(*it).node->applyConfiguration ( (*it).position, (*it).quat);
}
+ for (WindowManagers_t::iterator it = windowManagers_.begin ();
+ it!=windowManagers_.end (); ++it)
+ (*it)->frame ();
mtx_.unlock ();
newNodeConfigurations_.clear ();
} catch (const std::exception& exc) {
@@ -803,6 +806,44 @@ namespace graphics {
throw Error (exc.what ());
}
}
+
+ bool GraphicalInterface::startCapture (const WindowID windowId, const char* filename,
+ const char* extension)
+ throw (Error)
+ {
+ try {
+ if (windowId >= 0 || windowId < windowManagers_.size ()) {
+ windowManagers_[windowId]->startCapture
+ (std::string (filename), std::string (extension));
+ return true;
+ }
+ else {
+ std::cout << "Window ID " << windowId
+ << " doesn't exist." << std::endl;
+ return false;
+ }
+ } catch (const std::exception& exc) {
+ throw Error (exc.what ());
+ }
+ }
+
+ bool GraphicalInterface::stopCapture (const WindowID windowId)
+ throw (Error)
+ {
+ try {
+ if (windowId >= 0 || windowId < windowManagers_.size ()) {
+ windowManagers_[windowId]->stopCapture ();
+ return true;
+ }
+ else {
+ std::cout << "Window ID " << windowId
+ << " doesn't exist." << std::endl;
+ return false;
+ }
+ } catch (const std::exception& exc) {
+ throw Error (exc.what ());
+ }
+ }
} //end namespace impl
} //end namespace corbaServer
} //end namespace graphics
diff --git a/src/graphical-interface.impl.hh b/src/graphical-interface.impl.hh
index b7a6f18..32cbe26 100644
--- a/src/graphical-interface.impl.hh
+++ b/src/graphical-interface.impl.hh
@@ -133,6 +133,9 @@ public:
virtual bool setWireFrameMode(const char* nodeNameCorba, const char* wireFrameModeCorba) throw (Error);
virtual bool setLightingMode(const char* nodeNameCorba, const char* lightingModeCorba) throw (Error);
+ virtual bool startCapture (const WindowID windowId, const char* filename,
+ const char* extension) throw (Error);
+ virtual bool stopCapture (const WindowID windowId) throw (Error);
}; // end of class
} /* namespace impl */
--
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