--- /dev/null
+/* === S Y N F I G ========================================================= */
+/*! \file supersample.cpp
+** \brief Implementation of the "Super Sample" 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
+**
+** === N O T E S ===========================================================
+**
+** ========================================================================= */
+
+/* === H E A D E R S ======================================================= */
+
+#ifdef USING_PCH
+# include "pch.h"
+#else
+#ifdef HAVE_CONFIG_H
+# include <config.h>
+#endif
+
+#include "supersample.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>
+
+#include <synfig/target.h>
+#include <synfig/render.h>
+
+#endif
+
+/* === M A C R O S ========================================================= */
+
+/* === G L O B A L S ======================================================= */
+
+SYNFIG_LAYER_INIT(SuperSample);
+SYNFIG_LAYER_SET_NAME(SuperSample,"super_sample");
+SYNFIG_LAYER_SET_LOCAL_NAME(SuperSample,N_("Super Sample"));
+SYNFIG_LAYER_SET_CATEGORY(SuperSample,N_("Other"));
+SYNFIG_LAYER_SET_VERSION(SuperSample,"0.1");
+SYNFIG_LAYER_SET_CVS_ID(SuperSample,"$Id$");
+
+/* === P R O C E D U R E S ================================================= */
+
+/* === M E T H O D S ======================================================= */
+
+SuperSample::SuperSample():width(2),height(2)
+{
+ scanline=false;
+ alpha_aware=true;
+}
+
+bool
+SuperSample::set_param(const String & param, const ValueBase &value)
+{
+
+ IMPORT(width);
+ IMPORT(height);
+ IMPORT(scanline);
+ IMPORT(alpha_aware);
+
+ return false;
+}
+
+ValueBase
+SuperSample::get_param(const String& param)const
+{
+ EXPORT(width);
+ EXPORT(height);
+ EXPORT(scanline);
+ EXPORT(alpha_aware);
+
+ EXPORT_NAME();
+ EXPORT_VERSION();
+
+ return ValueBase();
+}
+
+bool
+SuperSample::accelerated_render(Context context,Surface *surface,int quality, const RendDesc &renddesc, ProgressCallback *cb)const
+{
+ // don't bother supersampling if our quality is too low.
+ if(quality>=10)
+ return context.accelerated_render(surface,quality,renddesc,cb);
+
+ RendDesc desc(renddesc);
+
+ SuperCallback subcb(cb,1,9000,10000);
+ SuperCallback stagetwo(cb,9000,10000,10000);
+
+ desc.clear_flags();
+ desc.set_wh(desc.get_w()*width,desc.get_h()*height);
+
+ Surface tempsurface;
+
+ // Render the scene
+ if(scanline)
+ {
+ handle<Target> target=surface_target(&tempsurface);
+ if(!target)
+ {
+ if(cb)cb->error(_("Unable to create SurfaceTarget"));
+ return false;
+ }
+ target->set_rend_desc(&desc);
+
+ if(!render(context-1,target,desc,&subcb))
+ {
+ if(cb)cb->error(strprintf(__FILE__"%d: Scanline Renderer Failure",__LINE__));
+ return false;
+ }
+ }
+ else
+ if(!context.accelerated_render(&tempsurface,quality,desc,cb))
+ {
+ //if(cb)cb->error(strprintf(__FILE__"%d: Accelerated Renderer Failure",__LINE__));
+ return false;
+ }
+
+ surface->set_wh(renddesc.get_w(),renddesc.get_h());
+
+ Surface::pen pen(surface->begin());
+ Surface::pen temp_pen(tempsurface.begin());
+
+ if(cb && !cb->amount_complete(9001,10000)) return false;
+
+ if(alpha_aware)
+ {
+ int x,y,u,v;
+ float sum;
+ Color pool;
+ for(y=0;y<surface->get_h();y++,pen.inc_y(),pen.dec_x(x),temp_pen.inc_y(height),temp_pen.dec_x(x*width))
+ {
+ for(x=0;x<surface->get_w();x++,pen.inc_x(),temp_pen.inc_x(width))
+ {
+ pool=Color(0,0,0,0);
+ sum=0;
+
+ for(v=0;v<height;v++,temp_pen.inc_y(),temp_pen.dec_x(u))
+ for(u=0;u<width;u++,temp_pen.inc_x())
+ {
+ pool+=temp_pen.get_value()*temp_pen.get_value().get_a();
+ sum+=temp_pen.get_value().get_a();
+ }
+ temp_pen.dec_y(v);
+
+ if(sum)
+ {
+ pool/=sum;
+ pool.set_a(sum/float(width*height));
+ pen.put_value(pool);
+ }
+ else
+ pen.put_value(Color::alpha());
+ }
+ if((y&31)==0 && cb)
+ {
+ if(!stagetwo.amount_complete(y,surface->get_h()))
+ return false;
+ }
+ }
+ }
+ else
+ {
+ int x,y,u,v;
+ Color pool;
+ float multiplier=1.0f/float(width*height);
+ for(y=0;y<surface->get_h();y++,pen.inc_y(),pen.dec_x(x),temp_pen.inc_y(height),temp_pen.dec_x(x*width))
+ {
+ for(x=0;x<surface->get_w();x++,pen.inc_x(),temp_pen.inc_x(width))
+ {
+ pool=Color(0,0,0,0);
+ for(v=0;v<height;v++,temp_pen.inc_y(),temp_pen.dec_x(u))
+ for(u=0;u<width;u++,temp_pen.inc_x())
+ pool+=temp_pen.get_value();
+ temp_pen.dec_y(v);
+ pen.put_value(pool*multiplier);
+ }
+ if((y&31)==0 && cb)
+ {
+ if(!stagetwo.amount_complete(y,surface->get_h()))
+ return false;
+ }
+ }
+ }
+
+ if(cb && !cb->amount_complete(10000,10000)) return false;
+
+ return true;
+}
+
+Layer::Vocab
+SuperSample::get_param_vocab(void)const
+{
+ Layer::Vocab ret;
+
+ ret.push_back(ParamDesc("width")
+ .set_local_name(_("Width"))
+ .set_description(_("Width of sample area (In pixels)"))
+ );
+ ret.push_back(ParamDesc("height")
+ .set_local_name(_("Height"))
+ .set_description(_("Height of sample area (In pixels)"))
+ );
+ ret.push_back(ParamDesc("scanline")
+ .set_local_name(_("Use Parametric"))
+ .set_description(_("Use the Parametric Renderer"))
+ );
+ ret.push_back(ParamDesc("alpha_aware")
+ .set_local_name(_("Be Alpha Safe"))
+ );
+
+ return ret;
+}
+
+Rect
+SuperSample::get_bounding_rect(Context context)const
+{
+ return context.get_full_bounding_rect();
+}
projects / synfig.git / blobdiff