+++ /dev/null
-/* === S Y N F I G ========================================================= */
-/*! \file clamp.cpp
-** \brief Implementation of the "Clamp" layer
-**
-** $Id$
-**
-** \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,N_("Clamp"));
-SYNFIG_LAYER_SET_CATEGORY(Layer_Clamp,N_("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 ¶m)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();
-}
projects / synfig.git / blobdiff