+++ /dev/null
-/* === S Y N F I G ========================================================= */
-/*! \file colorcorrect.cpp
-** \brief Implementation of the "Color Correct" 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 "colorcorrect.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_ColorCorrect);
-SYNFIG_LAYER_SET_NAME(Layer_ColorCorrect,"colorcorrect");
-SYNFIG_LAYER_SET_LOCAL_NAME(Layer_ColorCorrect,N_("Color Correct"));
-SYNFIG_LAYER_SET_CATEGORY(Layer_ColorCorrect,N_("Filters"));
-SYNFIG_LAYER_SET_VERSION(Layer_ColorCorrect,"0.1");
-SYNFIG_LAYER_SET_CVS_ID(Layer_ColorCorrect,"$Id$");
-
-/* === 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_ColorCorrect::Layer_ColorCorrect():
- hue_adjust(Angle::zero()),
- brightness(0),
- contrast(1.0),
- exposure(0.0)
-{
-}
-
-inline Color
-Layer_ColorCorrect::correct_color(const Color &in)const
-{
- Color ret(in);
- Real brightness((this->brightness-0.5)*this->contrast+0.5);
-
- if(gamma.get_gamma_r()!=1.0)
- {
- if(ret.get_r() < 0)
- {
- ret.set_r(-gamma.r_F32_to_F32(-ret.get_r()));
- }else
- {
- ret.set_r(gamma.r_F32_to_F32(ret.get_r()));
- }
- }
- if(gamma.get_gamma_g()!=1.0)
- {
- if(ret.get_g() < 0)
- {
- ret.set_g(-gamma.g_F32_to_F32(-ret.get_g()));
- }else
- {
- ret.set_g(gamma.g_F32_to_F32(ret.get_g()));
- }
- }
- if(gamma.get_gamma_b()!=1.0)
- {
- if(ret.get_b() < 0)
- {
- ret.set_b(-gamma.b_F32_to_F32(-ret.get_b()));
- }else
- {
- ret.set_b(gamma.b_F32_to_F32(ret.get_b()));
- }
- }
-
- assert(!isnan(ret.get_r()));
- assert(!isnan(ret.get_g()));
- assert(!isnan(ret.get_b()));
-
- if(exposure!=0.0)
- {
- const float factor(exp(exposure));
- ret.set_r(ret.get_r()*factor);
- ret.set_g(ret.get_g()*factor);
- ret.set_b(ret.get_b()*factor);
- }
-
- // Adjust Contrast
- if(contrast!=1.0)
- {
- ret.set_r(ret.get_r()*contrast);
- ret.set_g(ret.get_g()*contrast);
- ret.set_b(ret.get_b()*contrast);
- }
-
- if(brightness)
- {
- // Adjust R Channel Brightness
- if(ret.get_r()>-brightness)
- ret.set_r(ret.get_r()+brightness);
- else if(ret.get_r()<brightness)
- ret.set_r(ret.get_r()-brightness);
- else
- ret.set_r(0);
-
- // Adjust G Channel Brightness
- if(ret.get_g()>-brightness)
- ret.set_g(ret.get_g()+brightness);
- else if(ret.get_g()<brightness)
- ret.set_g(ret.get_g()-brightness);
- else
- ret.set_g(0);
-
- // Adjust B Channel Brightness
- if(ret.get_b()>-brightness)
- ret.set_b(ret.get_b()+brightness);
- else if(ret.get_b()<brightness)
- ret.set_b(ret.get_b()-brightness);
- else
- ret.set_b(0);
- }
-
- // Return the color, adjusting the hue if necessary
- if(!!hue_adjust)
- return ret.rotate_uv(hue_adjust);
- else
- return ret;
-}
-
-bool
-Layer_ColorCorrect::set_param(const String & param, const ValueBase &value)
-{
- IMPORT(hue_adjust);
- IMPORT(brightness);
- IMPORT(contrast);
- IMPORT(exposure);
-
- if(param=="gamma" && value.get_type()==ValueBase::TYPE_REAL)
- {
- gamma.set_gamma(1.0/value.get(Real()));
- return true;
- }
- return false;
-}
-
-ValueBase
-Layer_ColorCorrect::get_param(const String ¶m)const
-{
- EXPORT(hue_adjust);
- EXPORT(brightness);
- EXPORT(contrast);
- EXPORT(exposure);
-
- if(param=="gamma")
- return 1.0/gamma.get_gamma();
-
- EXPORT_NAME();
- EXPORT_VERSION();
-
- return ValueBase();
-}
-
-Layer::Vocab
-Layer_ColorCorrect::get_param_vocab()const
-{
- Layer::Vocab ret;
-
- ret.push_back(ParamDesc("hue_adjust")
- .set_local_name(_("Hue Adjust"))
- );
-
- ret.push_back(ParamDesc("brightness")
- .set_local_name(_("Brightness"))
- );
-
- ret.push_back(ParamDesc("contrast")
- .set_local_name(_("Contrast"))
- );
-
- ret.push_back(ParamDesc("exposure")
- .set_local_name(_("Exposure Adjust"))
- );
-
- ret.push_back(ParamDesc("gamma")
- .set_local_name(_("Gamma Adjustment"))
- );
-
- return ret;
-}
-
-Color
-Layer_ColorCorrect::get_color(Context context, const Point &pos)const
-{
- return correct_color(context.get_color(pos));
-}
-
-bool
-Layer_ColorCorrect::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(correct_color(pen.get_value()));
-
- // Mark our progress as finished
- if(cb && !cb->amount_complete(10000,10000))
- return false;
-
- return true;
-}
-
-Rect
-Layer_ColorCorrect::get_full_bounding_rect(Context context)const
-{
- return context.get_full_bounding_rect();
-}
projects / synfig.git / blobdiff