Module: synfig
Branch: genete_canvasview
Commit: 82ecc8c458140ac91907a15a7d2cda8d2164c567
URL:    
http://synfig.git.sourceforge.net/git/gitweb.cgi?p=synfig;a=commit;h=82ecc8c458140ac91907a15a7d2cda8d2164c567

Author: Carlos Lopez <car...@pcnuevo.(none)>
Date:   Wed Jul  8 15:09:50 2009 +0200

Add code for multiple onion skins.

---

 synfig-studio/trunk/src/gtkmm/workarea.cpp |   61 ++++++++++++++++------------
 synfig-studio/trunk/src/gtkmm/workarea.h   |    2 +
 2 files changed, 37 insertions(+), 26 deletions(-)

diff --git a/synfig-studio/trunk/src/gtkmm/workarea.cpp 
b/synfig-studio/trunk/src/gtkmm/workarea.cpp
index 0ebd729..0d1ce1a 100644
--- a/synfig-studio/trunk/src/gtkmm/workarea.cpp
+++ b/synfig-studio/trunk/src/gtkmm/workarea.cpp
@@ -117,7 +117,7 @@ public:
 
        synfig::Mutex mutex;
 
-       void set_onion_skin(bool x)
+       void set_onion_skin(bool x, int *onions)
        {
                onionskin=x;
 
@@ -126,26 +126,29 @@ public:
                if(!onionskin)
                        return;
                onion_skin_queue.push_back(time);
-               //onion_skin_queue.push_back(time-1);
-               //onion_skin_queue.push_back(time+1);
+
                try
                {
-                       onion_skin_queue.push_back(
-                               get_canvas()->keyframe_list().find_prev(
-                                       time
-                               )->get_time()
-                       );
+               Time thistime=time;
+               for(int i=0; i<onions[0]; i++)
+                       {
+                               Time 
keytime=get_canvas()->keyframe_list().find_prev(thistime)->get_time();
+                               onion_skin_queue.push_back(keytime);
+                               thistime=keytime;
+                       }
                }
                catch(...)
                {  }
 
                try
                {
-                       onion_skin_queue.push_back(
-                               get_canvas()->keyframe_list().find_next(
-                                       time
-                               )->get_time()
-                       );
+               Time thistime=time;
+               for(int i=0; i<onions[1]; i++)
+                       {
+                               Time 
keytime=get_canvas()->keyframe_list().find_next(thistime)->get_time();
+                               onion_skin_queue.push_back(keytime);
+                               thistime=keytime;
+                       }
                }
                catch(...)
                {  }
@@ -414,7 +417,7 @@ public:
 
        std::list<synfig::Time> onion_skin_queue;
 
-       void set_onion_skin(bool x)
+       void set_onion_skin(bool x, int *onions)
        {
                onionskin=x;
 
@@ -427,22 +430,26 @@ public:
                //onion_skin_queue.push_back(time+1);
                try
                {
-                       onion_skin_queue.push_back(
-                               get_canvas()->keyframe_list().find_prev(
-                                       time
-                               )->get_time()
-                       );
+               Time thistime=time;
+               for(int i=0; i<onions[0]; i++)
+                       {
+                               Time 
keytime=get_canvas()->keyframe_list().find_prev(thistime)->get_time();
+                               onion_skin_queue.push_back(keytime);
+                               thistime=keytime;
+                       }
                }
                catch(...)
                {  }
 
                try
                {
-                       onion_skin_queue.push_back(
-                               get_canvas()->keyframe_list().find_next(
-                                       time
-                               )->get_time()
-                       );
+               Time thistime=time;
+               for(int i=0; i<onions[1]; i++)
+                       {
+                               Time 
keytime=get_canvas()->keyframe_list().find_next(thistime)->get_time();
+                               onion_skin_queue.push_back(keytime);
+                               thistime=keytime;
+                       }
                }
                catch(...)
                {  }
@@ -672,6 +679,8 @@ 
WorkArea::WorkArea(etl::loose_handle<synfigapp::CanvasInterface> canvas_interfac
        ph=0.001;
        last_focus_point=Point(0,0);
        onion_skin=false;
+       onion_skins[0]=0;
+       onion_skins[1]=2;
        queued=false;
        dirty_trap_enabled=false;
        solid_lines=true;
@@ -2289,7 +2298,7 @@ studio::WorkArea::async_update_preview()
                handle<WorkAreaTarget> trgt(new class WorkAreaTarget(this,w,h));
 
                trgt->set_rend_desc(&desc);
-               trgt->set_onion_skin(get_onion_skin());
+               trgt->set_onion_skin(get_onion_skin(), onion_skins);
                target=trgt;
        }
        else
@@ -2298,7 +2307,7 @@ studio::WorkArea::async_update_preview()
                handle<WorkAreaTarget_Full> trgt(new class 
WorkAreaTarget_Full(this,w,h));
 
                trgt->set_rend_desc(&desc);
-               trgt->set_onion_skin(get_onion_skin());
+               trgt->set_onion_skin(get_onion_skin(), onion_skins);
                target=trgt;
        }
 
diff --git a/synfig-studio/trunk/src/gtkmm/workarea.h 
b/synfig-studio/trunk/src/gtkmm/workarea.h
index 6e5ab7f..c2ec70e 100644
--- a/synfig-studio/trunk/src/gtkmm/workarea.h
+++ b/synfig-studio/trunk/src/gtkmm/workarea.h
@@ -235,6 +235,8 @@ private:
 
 
        bool onion_skin;
+       //! stores the future [1] and past [0] onion skins based on keyframes
+       int onion_skins[2];
 
        etl::loose_handle<synfig::ValueNode> selected_value_node_;
 


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