-/* === S Y N F I G ========================================================= */
-/*! \file distort.cpp
-** \brief blehh
-**
-** $Id$
-**
-** \legal
-** Copyright (c) 2002-2005 Robert B. Quattlebaum Jr., Adrian Bentley
-** Copyright (c) 2007 Chris Moore
-**
-** 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 "distort.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
-
-/* === M A C R O S ========================================================= */
-
-using namespace synfig;
-using namespace std;
-using namespace etl;
-
-/* === G L O B A L S ======================================================= */
-
-SYNFIG_LAYER_INIT(NoiseDistort);
-SYNFIG_LAYER_SET_NAME(NoiseDistort,"noise_distort");
-SYNFIG_LAYER_SET_LOCAL_NAME(NoiseDistort,_("Noise Distort"));
-SYNFIG_LAYER_SET_CATEGORY(NoiseDistort,_("Distortions"));
-SYNFIG_LAYER_SET_VERSION(NoiseDistort,"0.0");
-SYNFIG_LAYER_SET_CVS_ID(NoiseDistort,"$Id$");
-
-/* === P R O C E D U R E S ================================================= */
-
-/* === M E T H O D S ======================================================= */
-
-NoiseDistort::NoiseDistort():
- size(1,1)
-{
- set_blend_method(Color::BLEND_STRAIGHT);
- smooth=2;
- detail=4;
- speed=0;
- random.set_seed(time(NULL));
- turbulent=false;
- displacement=Vector(0.25,0.25);
-}
-
-inline Color
-NoiseDistort::color_func(const Point &point, float /*supersample*/,Context context)const
-{
- Color ret(0,0,0,0);
-
- float x(point[0]/size[0]*(1<<detail));
- float y(point[1]/size[1]*(1<<detail));
-
- int i;
- Time time;
- time=speed*curr_time;
- int temp_smooth(smooth);
- int smooth((!speed && temp_smooth==3)?5:temp_smooth);
-
- {
- Vector vect(0,0);
- for(i=0;i<detail;i++)
- {
- vect[0]=random(smooth,0+(detail-i)*5,x,y,time)+vect[0]*0.5;
- vect[1]=random(smooth,1+(detail-i)*5,x,y,time)+vect[1]*0.5;
-
- if(vect[0]<-1)vect[0]=-1;if(vect[0]>1)vect[0]=1;
- if(vect[1]<-1)vect[1]=-1;if(vect[1]>1)vect[1]=1;
-
- if(turbulent)
- {
- vect[0]=abs(vect[0]);
- vect[1]=abs(vect[1]);
- }
-
- x/=2.0f;
- y/=2.0f;
- }
-
- if(!turbulent)
- {
- vect[0]=vect[0]/2.0f+0.5f;
- vect[1]=vect[1]/2.0f+0.5f;
- }
- vect[0]=(vect[0]-0.5f)*displacement[0];
- vect[1]=(vect[1]-0.5f)*displacement[1];
-
- ret=context.get_color(point+vect);
- }
- return ret;
-}
-
-inline float
-NoiseDistort::calc_supersample(const synfig::Point &/*x*/, float /*pw*/,float /*ph*/)const
-{
- return 0.0f;
-}
-
-void
-NoiseDistort::set_time(synfig::Context context, synfig::Time t)const
-{
- curr_time=t;
- context.set_time(t);
-}
-
-void
-NoiseDistort::set_time(synfig::Context context, synfig::Time t, const synfig::Point &point)const
-{
- curr_time=t;
- context.set_time(t,point);
-}
-
-synfig::Layer::Handle
-NoiseDistort::hit_check(synfig::Context context, const synfig::Point &point)const
-{
- if(get_blend_method()==Color::BLEND_STRAIGHT && get_amount()>=0.5)
- return const_cast<NoiseDistort*>(this);
- if(get_amount()==0.0)
- return context.hit_check(point);
- if(color_func(point,0,context).get_a()>0.5)
- return const_cast<NoiseDistort*>(this);
- return false;
-}
-
-bool
-NoiseDistort::set_param(const String & param, const ValueBase &value)
-{
- if(param=="seed" && value.same_type_as(int()))
- {
- random.set_seed(value.get(int()));
- return true;
- }
- IMPORT(size);
- IMPORT(speed);
- IMPORT(smooth);
- IMPORT(detail);
- IMPORT(turbulent);
- IMPORT(displacement);
- return Layer_Composite::set_param(param,value);
-}
-
-ValueBase
-NoiseDistort::get_param(const String & param)const
-{
- if(param=="seed")
- return random.get_seed();
- EXPORT(size);
- EXPORT(speed);
- EXPORT(smooth);
- EXPORT(detail);
- EXPORT(displacement);
- EXPORT(turbulent);
-
- EXPORT_NAME();
- EXPORT_VERSION();
-
- return Layer_Composite::get_param(param);
-}
-
-Layer::Vocab
-NoiseDistort::get_param_vocab()const
-{
- Layer::Vocab ret(Layer_Composite::get_param_vocab());
-
- ret.push_back(ParamDesc("displacement")
- .set_local_name(_("Displacement"))
- );
-
- ret.push_back(ParamDesc("size")
- .set_local_name(_("Size"))
- );
- ret.push_back(ParamDesc("seed")
- .set_local_name(_("Random Seed"))
- );
- ret.push_back(ParamDesc("smooth")
- .set_local_name(_("Interpolation"))
- .set_description(_("What type of interpolation to use"))
- .set_hint("enum")
- .add_enum_value(0,"nearest",_("Nearest Neighbor"))
- .add_enum_value(1,"linear",_("Linear"))
- .add_enum_value(2,"cosine",_("Cosine"))
- .add_enum_value(3,"spline",_("Spline"))
- .add_enum_value(4,"cubic",_("Cubic"))
- );
- ret.push_back(ParamDesc("detail")
- .set_local_name(_("Detail"))
- );
- ret.push_back(ParamDesc("speed")
- .set_local_name(_("Animation Speed"))
- );
- ret.push_back(ParamDesc("turbulent")
- .set_local_name(_("Turbulent"))
- );
-
- return ret;
-}
-
-Color
-NoiseDistort::get_color(Context context, const Point &point)const
-{
- const Color color(color_func(point,0,context));
-
- if(get_amount()==1.0 && get_blend_method()==Color::BLEND_STRAIGHT)
- return color;
- else
- return Color::blend(color,context.get_color(point),get_amount(),get_blend_method());
-}
-
-Rect
-NoiseDistort::get_bounding_rect(Context context)const
-{
- if(is_disabled())
- return Rect::zero();
-
- if(Color::is_onto(get_blend_method()))
- return context.get_full_bounding_rect();
-
- Rect bounds(context.get_full_bounding_rect().expand_x(displacement[0]).expand_y(displacement[1]));
-
- return bounds;
-}
-
-/*
-bool
-NoiseDistort::accelerated_render(Context context,Surface *surface,int quality, const RendDesc &renddesc, ProgressCallback *cb)const
-{
- SuperCallback supercb(cb,0,9500,10000);
-
- if(get_amount()==1.0 && get_blend_method()==Color::BLEND_STRAIGHT)
- {
- surface->set_wh(renddesc.get_w(),renddesc.get_h());
- }
- else
- {
- if(!context.accelerated_render(surface,quality,renddesc,&supercb))
- return false;
- if(get_amount()==0)
- return true;
- }
-
-
- int x,y;
-
- Surface::pen pen(surface->begin());
- const Real pw(renddesc.get_pw()),ph(renddesc.get_ph());
- Point pos;
- Point tl(renddesc.get_tl());
- const int w(surface->get_w());
- const int h(surface->get_h());
-
- if(get_amount()==1.0 && get_blend_method()==Color::BLEND_STRAIGHT)
- {
- for(y=0,pos[1]=tl[1];y<h;y++,pen.inc_y(),pen.dec_x(x),pos[1]+=ph)
- for(x=0,pos[0]=tl[0];x<w;x++,pen.inc_x(),pos[0]+=pw)
- pen.put_value(color_func(pos,calc_supersample(pos,pw,ph),context));
- }
- else
- {
- for(y=0,pos[1]=tl[1];y<h;y++,pen.inc_y(),pen.dec_x(x),pos[1]+=ph)
- for(x=0,pos[0]=tl[0];x<w;x++,pen.inc_x(),pos[0]+=pw)
- pen.put_value(Color::blend(color_func(pos,calc_supersample(pos,pw,ph),context),pen.get_value(),get_amount(),get_blend_method()));
- }
-
- // Mark our progress as finished
- if(cb && !cb->amount_complete(10000,10000))
- return false;
-
- return true;
-}
-*/