X-Git-Url: https://git.pterodactylus.net/?a=blobdiff_plain;f=synfig-core%2Fsrc%2Fmodules%2Flyr_std%2Fsupersample.cpp;fp=synfig-core%2Fsrc%2Fmodules%2Flyr_std%2Fsupersample.cpp;h=608a242162e1aa3021585561a11e150173c80188;hb=a095981e18cc37a8ecc7cd237cc22b9c10329264;hp=0000000000000000000000000000000000000000;hpb=9459638ad6797b8139f1e9f0715c96076dbf0890;p=synfig.git

diff --git a/synfig-core/src/modules/lyr_std/supersample.cpp b/synfig-core/src/modules/lyr_std/supersample.cpp
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+/* === 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();
+}