+++ /dev/null
-/* === S Y N F I G ========================================================= */
-/*! \file layer_motionblur.cpp
-** \brief Implementation of the "Motion Blur" layer
-**
-** $Id$
-**
-** \legal
-** Copyright (c) 2002-2005 Robert B. Quattlebaum Jr., Adrian Bentley
-** Copyright (c) 2007, 2008 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 "string.h"
-#include "layer_motionblur.h"
-#include "time.h"
-#include "context.h"
-#include "paramdesc.h"
-#include "renddesc.h"
-#include "surface.h"
-#include "value.h"
-#include "valuenode.h"
-#include "canvas.h"
-
-#endif
-
-/* === U S I N G =========================================================== */
-
-using namespace synfig;
-using namespace etl;
-using namespace std;
-
-/* === G L O B A L S ======================================================= */
-
-SYNFIG_LAYER_INIT(Layer_MotionBlur);
-SYNFIG_LAYER_SET_NAME(Layer_MotionBlur,"MotionBlur"); // todo: use motion_blur
-SYNFIG_LAYER_SET_LOCAL_NAME(Layer_MotionBlur,N_("Motion Blur"));
-SYNFIG_LAYER_SET_CATEGORY(Layer_MotionBlur,N_("Blurs"));
-SYNFIG_LAYER_SET_VERSION(Layer_MotionBlur,"0.1");
-SYNFIG_LAYER_SET_CVS_ID(Layer_MotionBlur,"$Id$");
-
-/* === M E M B E R S ======================================================= */
-
-Layer_MotionBlur::Layer_MotionBlur():
- Layer_Composite (1.0,Color::BLEND_STRAIGHT),
- aperture (0)
-{
-}
-
-bool
-Layer_MotionBlur::set_param(const String ¶m, const ValueBase &value)
-{
-
- IMPORT(aperture);
- return Layer_Composite::set_param(param,value);
-}
-
-ValueBase
-Layer_MotionBlur::get_param(const String ¶m)const
-{
- EXPORT(aperture);
-
- EXPORT_NAME();
- EXPORT_VERSION();
-
- return Layer_Composite::get_param(param);
-}
-
-void
-Layer_MotionBlur::set_time(Context context, Time time)const
-{
- context.set_time(time);
- time_cur=time;
-}
-
-void
-Layer_MotionBlur::set_time(Context context, Time time, const Point &pos)const
-{
- context.set_time(time,pos);
- time_cur=time;
-}
-
-Color
-Layer_MotionBlur::get_color(Context context, const Point &pos)const
-{
-/* if(aperture)
- {
- Time time(time_cur);
- time+=(Vector::value_type)( (signed)(RAND_MAX/2)-(signed)rand() )/(Vector::value_type)(RAND_MAX) *aperture -aperture*0.5;
- context.set_time(time, pos);
- }
-*/
- return context.get_color(pos);
-}
-
-Layer::Vocab
-Layer_MotionBlur::get_param_vocab()const
-{
- Layer::Vocab ret;
- //ret=Layer_Composite::get_param_vocab();
-
- ret.push_back(ParamDesc("aperture")
- .set_local_name(_("Aperture"))
- .set_description(_("Shutter Time"))
- );
-
- return ret;
-}
-
-bool
-Layer_MotionBlur::accelerated_render(Context context,Surface *surface,int quality, const RendDesc &renddesc, ProgressCallback *cb)const
-{
- if(aperture && quality<=10)
- {
- //int x, y;
- SuperCallback subimagecb;
- int samples=1;
- switch(quality)
- {
- case 1: // Production Quality
- samples=32;
- break;
- case 2: // Excellent Quality
- samples=24;
- break;
- case 3: // Good Quality
- samples=16;
- break;
- case 4: // Moderate Quality
- samples=12;
- break;
- case 5: // Draft Quality
- samples=7;
- break;
- case 6:
- samples=6;
- break;
- case 7:
- samples=5;
- break;
- case 8:
- samples=3;
- break;
- case 9:
- samples=2;
- break;
- case 10: // Rough Quality
- default:
- samples=1;
- break;
-
- }
-
- if (samples == 1) return context.accelerated_render(surface,quality,renddesc,cb);
-
- Surface tmp;
- int i;
- float scale, divisor = 0;
-
- surface->set_wh(renddesc.get_w(),renddesc.get_h());
- surface->clear();
-
- for(i=0;i<samples;i++)
- {
- subimagecb=SuperCallback(cb,i*(5000/samples),(i+1)*(5000/samples),5000);
- context.set_time(time_cur-(aperture*(samples-1-i)/(samples-1)));
- if(!context.accelerated_render(&tmp,quality,renddesc,&subimagecb))
- return false;
- scale = 1.0/(samples-i);
- divisor += scale;
- for(int y=0;y<renddesc.get_h();y++)
- for(int x=0;x<renddesc.get_w();x++)
- (*surface)[y][x]+=tmp[y][x].premult_alpha()*scale;
- }
- for(int y=0;y<renddesc.get_h();y++)
- for(int x=0;x<renddesc.get_w();x++)
- (*surface)[y][x]=((*surface)[y][x]/divisor).demult_alpha();
- }
- else
- return context.accelerated_render(surface,quality,renddesc,cb);
-
- return true;
-}
projects / synfig.git / blobdiff