From: Carlos Lopez <genetita@gmail.com>
Date: Sun, 18 Jul 2010 18:04:54 +0000 (+0200)
Subject: Documentation for the context class
X-Git-Url: https://git.pterodactylus.net/?a=commitdiff_plain;h=abe901f86de422ad66435764f03727d1bf179501;p=synfig.git

Documentation for the context class
---

diff --git a/synfig-core/src/synfig/context.cpp b/synfig-core/src/synfig/context.cpp
index 38e0f67..28d8e41 100644
--- a/synfig-core/src/synfig/context.cpp
+++ b/synfig-core/src/synfig/context.cpp
@@ -347,13 +347,14 @@ Context::set_time(Time time)const
 	{
 		Layer::ParamList params;
 		Layer::DynamicParamList::const_iterator iter;
-
+		// For each parameter of the layer sets the time by the operator()(time)
 		for(iter=(*context)->dynamic_param_list().begin();iter!=(*context)->dynamic_param_list().end();iter++)
 			params[iter->first]=(*iter->second)(time);
-
+		// Sets the modified parameter list to the current context layer
 		(*context)->set_param_list(params);
-
+		// Calls the set time for the next layer in the context.
 		(*context)->set_time(context+1,time);
+		// Sets the dirty time the current calling time
 		(*context)->dirty_time_=time;
 
 	}
diff --git a/synfig-core/src/synfig/context.h b/synfig-core/src/synfig/context.h
index c03d312..3419fa7 100644
--- a/synfig-core/src/synfig/context.h
+++ b/synfig-core/src/synfig/context.h
@@ -1,6 +1,6 @@
 /* === S Y N F I G ========================================================= */
 /*!	\file context.h
-**	\brief Template Header
+**	\brief Iterator for the layers behind the current Layer.
 **
 **	$Id$
 **
@@ -49,33 +49,40 @@ class Time;
 class Rect;
 
 /*!	\class Context
-**	\todo writeme
-**	\see Layer, Canvas */
+**	\brief Context is a class to warp the iterator for a double queue of layers
+* (that is the CanvasBase).
+**	\see Layer, Canvas, CanvasBase */
 class Context : public CanvasBase::const_iterator
 {
 public:
 	Context() { }
 
+	//! Constructor based on other CanvasBase iterator
 	Context(const CanvasBase::const_iterator &x):CanvasBase::const_iterator(x) { }
 
+	//!Assignation operator
 	Context operator=(const CanvasBase::const_iterator &x)
 	{ return CanvasBase::const_iterator::operator=(x); }
 
-	/*!	\todo write me */
+	//!	Returns the color of the context at the Point \pos.
+	//! It is the blended color of the context
 	Color get_color(const Point &pos)const;
 
-	/*!	\todo write me */
+	//!	With a given \quality and a given render description ir puts the context
+	//! blend result into the painting \surface */
 	bool accelerated_render(Surface *surface,int quality, const RendDesc &renddesc, ProgressCallback *cb) const;
 
-	/*!	\todo write me */
+	//! Sets the context to the Time \time. It is done recursively.
    	void set_time(Time time)const;
 
-	/*!	\writeme */
+	//!	Sets the context to the Time \time. It is done recursively. Vector \pos is not used
    	void set_time(Time time,const Vector &pos)const;
 
+	//! Returns the bounding rectangle of all the context.
+	//! It is the union of all the layers's bounding rectangle.
 	Rect get_full_bounding_rect()const;
 
-	/*! \writeme */
+	//! Returns the first context's layer's handle that intesects the given \point */
 	etl::handle<Layer> hit_check(const Point &point)const;
 
 }; // END of class Context