Release synfig_0_61_07_rc1

[synfig.git] / synfig-core / tags / synfig_0_61_07_rc1 / src / modules / lyr_std / clamp.cpp

diff --git a/synfig-core/tags/synfig_0_61_07_rc1/src/modules/lyr_std/clamp.cpp b/synfig-core/tags/synfig_0_61_07_rc1/src/modules/lyr_std/clamp.cpp
new file mode 100644 (file)
index 0000000..10e36c5
--- /dev/null
+++ b/synfig-core/tags/synfig_0_61_07_rc1/src/modules/lyr_std/clamp.cpp
@@ -0,0 +1,207 @@
+/* === S Y N F I G ========================================================= */
+/*!    \file clamp.cpp
+**     \brief Template Header
+**
+**     $Id$
+**
+**     \legal
+**     Copyright (c) 2002-2005 Robert B. Quattlebaum Jr., Adrian Bentley
+**
+**     This package is free software; you can redistribute it and/or
+**     modify it under the terms of the GNU General Public License as
+**     published by the Free Software Foundation; either version 2 of
+**     the License, or (at your option) any later version.
+**
+**     This package is distributed in the hope that it will be useful,
+**     but WITHOUT ANY WARRANTY; without even the implied warranty of
+**     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+**     General Public License for more details.
+**     \endlegal
+*/
+/* ========================================================================= */
+
+/* === H E A D E R S ======================================================= */
+
+#ifdef USING_PCH
+#      include "pch.h"
+#else
+#ifdef HAVE_CONFIG_H
+#      include <config.h>
+#endif
+
+#include "clamp.h"
+#include <synfig/string.h>
+#include <synfig/time.h>
+#include <synfig/context.h>
+#include <synfig/paramdesc.h>
+#include <synfig/renddesc.h>
+#include <synfig/surface.h>
+#include <synfig/value.h>
+#include <synfig/valuenode.h>
+
+#endif
+
+/* === U S I N G =========================================================== */
+
+using namespace etl;
+using namespace std;
+using namespace synfig;
+
+/* === G L O B A L S ======================================================= */
+
+SYNFIG_LAYER_INIT(Layer_Clamp);
+SYNFIG_LAYER_SET_NAME(Layer_Clamp,"clamp");
+SYNFIG_LAYER_SET_LOCAL_NAME(Layer_Clamp,_("Clamp"));
+SYNFIG_LAYER_SET_CATEGORY(Layer_Clamp,_("Filters"));
+SYNFIG_LAYER_SET_VERSION(Layer_Clamp,"0.2");
+SYNFIG_LAYER_SET_CVS_ID(Layer_Clamp,"$Id$");
+
+/* === P R O C E D U R E S ================================================= */
+
+/* === M E T H O D S ======================================================= */
+
+/* === E N T R Y P O I N T ================================================= */
+
+Layer_Clamp::Layer_Clamp():
+       invert_negative(false),
+       clamp_ceiling(true),
+       ceiling(1.0f),
+       floor(0.0f)
+{
+}
+
+inline Color
+Layer_Clamp::clamp_color(const Color &in)const
+{
+       Color ret(in);
+
+       if(ret.get_a()==0)
+               return Color::alpha();
+
+       if(invert_negative)
+       {
+               if(ret.get_a()<floor)
+                       ret=-ret;
+
+               if(ret.get_r()<floor)
+               {
+                       ret.set_g(ret.get_g()-ret.get_r());
+                       ret.set_b(ret.get_b()-ret.get_r());
+                       ret.set_r(floor);
+               }
+               if(ret.get_g()<floor)
+               {
+                       ret.set_r(ret.get_r()-ret.get_g());
+                       ret.set_b(ret.get_b()-ret.get_g());
+                       ret.set_g(floor);
+               }
+               if(ret.get_b()<floor)
+               {
+                       ret.set_g(ret.get_g()-ret.get_b());
+                       ret.set_r(ret.get_r()-ret.get_b());
+                       ret.set_b(floor);
+               }
+       }
+       else
+       {
+               if(ret.get_r()<floor) ret.set_r(floor);
+               if(ret.get_g()<floor) ret.set_g(floor);
+               if(ret.get_b()<floor) ret.set_b(floor);
+               if(ret.get_a()<floor) ret.set_a(floor);
+       }
+
+       if(clamp_ceiling)
+       {
+               if(ret.get_r()>ceiling) ret.set_r(ceiling);
+               if(ret.get_g()>ceiling) ret.set_g(ceiling);
+               if(ret.get_b()>ceiling) ret.set_b(ceiling);
+               if(ret.get_a()>ceiling) ret.set_a(ceiling);
+       }
+       return ret;
+}
+
+bool
+Layer_Clamp::set_param(const String & param, const ValueBase &value)
+{
+       IMPORT(invert_negative);
+       IMPORT(clamp_ceiling);
+       IMPORT(ceiling);
+       IMPORT(floor);
+
+       return false;
+}
+
+ValueBase
+Layer_Clamp::get_param(const String &param)const
+{
+       EXPORT(invert_negative);
+       EXPORT(clamp_ceiling);
+
+       EXPORT(ceiling);
+       EXPORT(floor);
+
+       EXPORT_NAME();
+       EXPORT_VERSION();
+
+       return ValueBase();
+}
+
+Layer::Vocab
+Layer_Clamp::get_param_vocab()const
+{
+       Layer::Vocab ret;
+
+       ret.push_back(ParamDesc("invert_negative")
+               .set_local_name(_("Invert Negative"))
+       );
+
+       ret.push_back(ParamDesc("clamp_ceiling")
+               .set_local_name(_("Clamp Ceiling"))
+       );
+
+       ret.push_back(ParamDesc("ceiling")
+               .set_local_name(_("Ceiling"))
+       );
+
+       ret.push_back(ParamDesc("floor")
+               .set_local_name(_("Floor"))
+       );
+
+       return ret;
+}
+
+Color
+Layer_Clamp::get_color(Context context, const Point &pos)const
+{
+       return clamp_color(context.get_color(pos));
+}
+
+bool
+Layer_Clamp::accelerated_render(Context context,Surface *surface,int quality, const RendDesc &renddesc, ProgressCallback *cb)const
+{
+       SuperCallback supercb(cb,0,9500,10000);
+
+       if(!context.accelerated_render(surface,quality,renddesc,&supercb))
+               return false;
+
+       int x,y;
+
+       Surface::pen pen(surface->begin());
+
+       for(y=0;y<renddesc.get_h();y++,pen.inc_y(),pen.dec_x(x))
+               for(x=0;x<renddesc.get_w();x++,pen.inc_x())
+                       pen.put_value(clamp_color(pen.get_value()));
+
+       // Mark our progress as finished
+       if(cb && !cb->amount_complete(10000,10000))
+               return false;
+
+       return true;
+}
+
+
+Rect
+Layer_Clamp::get_full_bounding_rect(Context context)const
+{
+       return context.get_full_bounding_rect();
+}