+++ /dev/null
-/* === S Y N F I G ========================================================= */
-/*! \file noise.cpp
-** \brief Implementation of the "Noise Gradient" layer
-**
-** $Id$
-**
-** \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 "noise.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(Noise);
-SYNFIG_LAYER_SET_NAME(Noise,"noise");
-SYNFIG_LAYER_SET_LOCAL_NAME(Noise,N_("Noise Gradient"));
-SYNFIG_LAYER_SET_CATEGORY(Noise,N_("Gradients"));
-SYNFIG_LAYER_SET_VERSION(Noise,"0.0");
-SYNFIG_LAYER_SET_CVS_ID(Noise,"$Id$");
-
-/* === P R O C E D U R E S ================================================= */
-
-/* === M E T H O D S ======================================================= */
-
-Noise::Noise():
- size(1,1),
- gradient(Color::black(), Color::white())
-{
- smooth=RandomNoise::SMOOTH_COSINE;
- detail=4;
- speed=0;
- do_alpha=false;
- random.set_seed(time(NULL));
- turbulent=false;
- displacement=Vector(1,1);
- do_displacement=false;
- super_sample=false;
-}
-
-
-
-inline Color
-Noise::color_func(const Point &point, float pixel_size,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));
- float x2(0),y2(0);
-
- if(super_sample&&pixel_size)
- {
- x2=(point[0]+pixel_size)/size[0]*(1<<detail);
- y2=(point[1]+pixel_size)/size[1]*(1<<detail);
- }
-
- int i;
- Time time;
- time=speed*curr_time;
- RandomNoise::SmoothType smooth((!speed && Noise::smooth == RandomNoise::SMOOTH_SPLINE) ? RandomNoise::SMOOTH_FAST_SPLINE : Noise::smooth);
-
- float ftime(time);
-
- {
- float amount=0.0f;
- float amount2=0.0f;
- float amount3=0.0f;
- float alpha=0.0f;
- for(i=0;i<detail;i++)
- {
- amount=random(smooth,0+(detail-i)*5,x,y,ftime)+amount*0.5;
- if(amount<-1)amount=-1;if(amount>1)amount=1;
-
- if(super_sample&&pixel_size)
- {
- amount2=random(smooth,0+(detail-i)*5,x2,y,ftime)+amount2*0.5;
- if(amount2<-1)amount2=-1;if(amount2>1)amount2=1;
-
- amount3=random(smooth,0+(detail-i)*5,x,y2,ftime)+amount3*0.5;
- if(amount3<-1)amount3=-1;if(amount3>1)amount3=1;
-
- if(turbulent)
- {
- amount2=abs(amount2);
- amount3=abs(amount3);
- }
-
- x2*=0.5f;
- y2*=0.5f;
- }
-
- if(do_alpha)
- {
- alpha=random(smooth,3+(detail-i)*5,x,y,ftime)+alpha*0.5;
- if(alpha<-1)alpha=-1;if(alpha>1)alpha=1;
- }
-
- if(turbulent)
- {
- amount=abs(amount);
- alpha=abs(alpha);
- }
-
- x*=0.5f;
- y*=0.5f;
- //ftime*=0.5f;
- }
-
- if(!turbulent)
- {
- amount=amount/2.0f+0.5f;
- alpha=alpha/2.0f+0.5f;
-
- if(super_sample&&pixel_size)
- {
- amount2=amount2/2.0f+0.5f;
- amount3=amount3/2.0f+0.5f;
- }
- }
-
- if(super_sample && pixel_size)
- ret=gradient(amount,max(amount3,max(amount,amount2))-min(amount3,min(amount,amount2)));
- else
- ret=gradient(amount);
-
- if(do_alpha)
- ret.set_a(ret.get_a()*(alpha));
- }
- return ret;
-}
-
-inline float
-Noise::calc_supersample(const synfig::Point &/*x*/, float /*pw*/,float /*ph*/)const
-{
- return 0.0f;
-}
-
-void
-Noise::set_time(synfig::Context context, synfig::Time t)const
-{
- curr_time=t;
- context.set_time(t);
-}
-
-void
-Noise::set_time(synfig::Context context, synfig::Time t, const synfig::Point &point)const
-{
- curr_time=t;
- context.set_time(t,point);
-}
-
-synfig::Layer::Handle
-Noise::hit_check(synfig::Context context, const synfig::Point &point)const
-{
- if(get_blend_method()==Color::BLEND_STRAIGHT && get_amount()>=0.5)
- return const_cast<Noise*>(this);
- if(get_amount()==0.0)
- return context.hit_check(point);
- if(color_func(point,0,context).get_a()>0.5)
- return const_cast<Noise*>(this);
- return false;
-}
-
-bool
-Noise::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(do_alpha);
- IMPORT(gradient);
- IMPORT(turbulent);
- IMPORT(super_sample);
-
- return Layer_Composite::set_param(param,value);
-}
-
-ValueBase
-Noise::get_param(const String & param)const
-{
- if(param=="seed")
- return random.get_seed();
- EXPORT(size);
- EXPORT(speed);
- EXPORT(smooth);
- EXPORT(detail);
- EXPORT(do_alpha);
- EXPORT(gradient);
- EXPORT(turbulent)
- EXPORT(super_sample);
-
- EXPORT_NAME();
- EXPORT_VERSION();
-
- return Layer_Composite::get_param(param);
-}
-
-Layer::Vocab
-Noise::get_param_vocab()const
-{
- Layer::Vocab ret(Layer_Composite::get_param_vocab());
-
- ret.push_back(ParamDesc("gradient")
- .set_local_name(_("Gradient"))
- );
- ret.push_back(ParamDesc("seed")
- .set_local_name(_("RandomNoise Seed"))
- );
- ret.push_back(ParamDesc("size")
- .set_local_name(_("Size"))
- );
- ret.push_back(ParamDesc("smooth")
- .set_local_name(_("Interpolation"))
- .set_description(_("What type of interpolation to use"))
- .set_hint("enum")
- .add_enum_value(RandomNoise::SMOOTH_DEFAULT, "nearest", _("Nearest Neighbor"))
- .add_enum_value(RandomNoise::SMOOTH_LINEAR, "linear", _("Linear"))
- .add_enum_value(RandomNoise::SMOOTH_COSINE, "cosine", _("Cosine"))
- .add_enum_value(RandomNoise::SMOOTH_SPLINE, "spline", _("Spline"))
- .add_enum_value(RandomNoise::SMOOTH_CUBIC, "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"))
- );
- ret.push_back(ParamDesc("do_alpha")
- .set_local_name(_("Do Alpha"))
- );
- ret.push_back(ParamDesc("super_sample")
- .set_local_name(_("Super Sampling"))
- );
-
- return ret;
-}
-
-Color
-Noise::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());
-}
-
-bool
-Noise::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());
- float supersampleradius((abs(pw)+abs(ph))*0.5f);
- if(quality>=8)
- supersampleradius=0;
-
- 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,supersampleradius,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,supersampleradius,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;
-}
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