X-Git-Url: https://git.pterodactylus.net/?a=blobdiff_plain;f=synfig-core%2Ftrunk%2Fsrc%2Fmodules%2Flyr_std%2Fjulia.cpp;fp=synfig-core%2Ftrunk%2Fsrc%2Fmodules%2Flyr_std%2Fjulia.cpp;h=0000000000000000000000000000000000000000;hb=a095981e18cc37a8ecc7cd237cc22b9c10329264;hp=ad2478e8fd8caa6a974a73102c9f8bb47334a115;hpb=9459638ad6797b8139f1e9f0715c96076dbf0890;p=synfig.git

diff --git a/synfig-core/trunk/src/modules/lyr_std/julia.cpp b/synfig-core/trunk/src/modules/lyr_std/julia.cpp
deleted file mode 100644
index ad2478e..0000000
--- a/synfig-core/trunk/src/modules/lyr_std/julia.cpp
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@@ -1,365 +0,0 @@
-/* === S Y N F I G ========================================================= */
-/*!	\file julia.cpp
-**	\brief Implementation of the "Julia Set" 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
-**
-** === 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 "julia.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 ========================================================= */
-
-#define LOG_OF_2		0.69314718055994528623
-
-/* === G L O B A L S ======================================================= */
-
-SYNFIG_LAYER_INIT(Julia);
-SYNFIG_LAYER_SET_NAME(Julia,"julia");
-SYNFIG_LAYER_SET_LOCAL_NAME(Julia,N_("Julia Set"));
-SYNFIG_LAYER_SET_CATEGORY(Julia,N_("Fractals"));
-SYNFIG_LAYER_SET_VERSION(Julia,"0.1");
-SYNFIG_LAYER_SET_CVS_ID(Julia,"$Id$");
-
-/* === P R O C E D U R E S ================================================= */
-
-inline void
-color_neg_flip(Color &color)
-{
-	if(color.get_a()==0)
-	{
-		color=Color::alpha();
-		return;
-	}
-
-	if(color.get_a()<0)
-		color=-color;
-
-	if(color.get_r()<0)
-	{
-		color.set_g(color.get_g()-color.get_r());
-		color.set_b(color.get_b()-color.get_r());
-		color.set_r(0);
-	}
-	if(color.get_g()<0)
-	{
-		color.set_r(color.get_r()-color.get_g());
-		color.set_b(color.get_b()-color.get_g());
-		color.set_g(0);
-	}
-	if(color.get_b()<0)
-	{
-		color.set_r(color.get_r()-color.get_b());
-		color.set_g(color.get_g()-color.get_b());
-		color.set_b(0);
-	}
-}
-
-/* === M E T H O D S ======================================================= */
-
-Julia::Julia():color_shift(angle::degrees(0))
-{
-	icolor=Color::black();
-	ocolor=Color::black();
-	iterations=32;
-	color_shift=Angle::deg(0);
-
-	distort_inside=true;
-	distort_outside=true;
-	shade_inside=true;
-	shade_outside=true;
-	solid_inside=false;
-	solid_outside=false;
-	invert_inside=false;
-	invert_outside=false;
-	color_inside=true;
-	color_outside=false;
-	color_cycle=false;
-	smooth_outside=true;
-	broken=false;
-	seed=Point(0,0);
-
-	bailout=4;
-	lp=log(log(bailout));
-}
-
-bool
-Julia::set_param(const String & param, const ValueBase &value)
-{
-
-	IMPORT(icolor);
-	IMPORT(ocolor);
-	IMPORT(color_shift);
-	IMPORT(seed);
-
-	IMPORT(distort_inside);
-	IMPORT(distort_outside);
-	IMPORT(shade_inside);
-	IMPORT(shade_outside);
-	IMPORT(solid_inside);
-	IMPORT(solid_outside);
-	IMPORT(invert_inside);
-	IMPORT(invert_outside);
-	IMPORT(color_inside);
-	IMPORT(color_outside);
-
-	IMPORT(color_cycle);
-	IMPORT(smooth_outside);
-	IMPORT(broken);
-
-	if(param=="iterations" && value.same_type_as(iterations))
-	{
-		iterations=value.get(iterations);
-		if(iterations<0)
-			iterations=0;
-		if(iterations>500000)
-			iterations=500000;
-		return true;
-	}
-	if(param=="bailout" && value.same_type_as(bailout))
-	{
-		bailout=value.get(bailout);
-		bailout*=bailout;
-		lp=log(log(bailout));
-		return true;
-	}
-
-	return false;
-}
-
-ValueBase
-Julia::get_param(const String & param)const
-{
-	EXPORT(icolor);
-	EXPORT(ocolor);
-	EXPORT(color_shift);
-	EXPORT(iterations);
-	EXPORT(seed);
-
-	EXPORT(distort_inside);
-	EXPORT(distort_outside);
-	EXPORT(shade_inside);
-	EXPORT(shade_outside);
-	EXPORT(solid_inside);
-	EXPORT(solid_outside);
-	EXPORT(invert_inside);
-	EXPORT(invert_outside);
-	EXPORT(color_inside);
-	EXPORT(color_outside);
-	EXPORT(color_cycle);
-	EXPORT(smooth_outside);
-	EXPORT(broken);
-
-	if(param=="bailout")
-		return sqrt(bailout);
-
-	EXPORT_NAME();
-	EXPORT_VERSION();
-
-	return ValueBase();
-}
-
-Color
-Julia::get_color(Context context, const Point &pos)const
-{
-	Real
-		cr, ci,
-		zr, zi,
-		zr_hold;
-
-	ColorReal
-		depth, mag(0);
-
-	Color
-		ret;
-
-	cr=seed[0];
-	ci=seed[1];
-	zr=pos[0];
-	zi=pos[1];
-
-	for(int i=0;i<iterations;i++)
-	{
-		// Perform complex multiplication
-		zr_hold=zr;
-		zr=zr*zr-zi*zi + cr;
-		zi=zr_hold*zi*2 + ci;
-
-		// Use "broken" algorithm, if requested (looks weird)
-		if(broken)zr+=zi;
-
-		// Calculate Magnitude
-		mag=zr*zr+zi*zi;
-
-		if(mag>4)
-		{
-			if(smooth_outside)
-			{
-				// Darco's original mandelbrot smoothing algo
-				// depth=((Point::value_type)i+(2.0-sqrt(mag))/PI);
-
-				// Linas Vepstas algo (Better than darco's)
-				// See (http://linas.org/art-gallery/escape/smooth.html)
-				depth= (ColorReal)i - log(log(sqrt(mag))) / LOG_OF_2;
-
-				// Clamp
-				if(depth<0) depth=0;
-			}
-			else
-				depth=static_cast<ColorReal>(i);
-
-			if(solid_outside)
-				ret=ocolor;
-			else
-				if(distort_outside)
-					ret=context.get_color(Point(zr,zi));
-				else
-					ret=context.get_color(pos);
-
-			if(invert_outside)
-				ret=~ret;
-
-			if(color_outside)
-				ret=ret.set_uv(zr,zi).clamped_negative();
-
-			if(color_cycle)
-				ret=ret.rotate_uv(color_shift.operator*(depth)).clamped_negative();
-
-			if(shade_outside)
-			{
-				ColorReal alpha=depth/static_cast<ColorReal>(iterations);
-				ret=(ocolor-ret)*alpha+ret;
-			}
-			return ret;
-		}
-	}
-
-	if(solid_inside)
-		ret=icolor;
-	else
-		if(distort_inside)
-			ret=context.get_color(Point(zr,zi));
-		else
-			ret=context.get_color(pos);
-
-	if(invert_inside)
-		ret=~ret;
-
-	if(color_inside)
-		ret=ret.set_uv(zr,zi).clamped_negative();
-
-	if(shade_inside)
-		ret=(icolor-ret)*mag+ret;
-
-	return ret;
-}
-
-Layer::Vocab
-Julia::get_param_vocab()const
-{
-	Layer::Vocab ret;
-
-	ret.push_back(ParamDesc("icolor")
-		.set_local_name(_("Inside Color"))
-		.set_description(_("Color of the Set"))
-	);
-	ret.push_back(ParamDesc("ocolor")
-		.set_local_name(_("Outside Color"))
-		.set_description(_("Color outside the Set"))
-	);
-	ret.push_back(ParamDesc("color_shift")
-		.set_local_name(_("Color Shift"))
-	);
-	ret.push_back(ParamDesc("iterations")
-		.set_local_name(_("Iterations"))
-	);
-	ret.push_back(ParamDesc("seed")
-		.set_local_name(_("Seed Point"))
-	);
-	ret.push_back(ParamDesc("bailout")
-		.set_local_name(_("Bailout ValueBase"))
-	);
-
-	ret.push_back(ParamDesc("distort_inside")
-		.set_local_name(_("Distort Inside"))
-	);
-	ret.push_back(ParamDesc("shade_inside")
-		.set_local_name(_("Shade Inside"))
-	);
-	ret.push_back(ParamDesc("solid_inside")
-		.set_local_name(_("Solid Inside"))
-	);
-	ret.push_back(ParamDesc("invert_inside")
-		.set_local_name(_("Invert Inside"))
-	);
-	ret.push_back(ParamDesc("color_inside")
-		.set_local_name(_("Color Inside"))
-	);
-	ret.push_back(ParamDesc("distort_outside")
-		.set_local_name(_("Distort Outside"))
-	);
-	ret.push_back(ParamDesc("shade_outside")
-		.set_local_name(_("Shade Outside"))
-	);
-	ret.push_back(ParamDesc("solid_outside")
-		.set_local_name(_("Solid Outside"))
-	);
-	ret.push_back(ParamDesc("invert_outside")
-		.set_local_name(_("Invert Outside"))
-	);
-	ret.push_back(ParamDesc("color_outside")
-		.set_local_name(_("Color Outside"))
-	);
-
-	ret.push_back(ParamDesc("color_cycle")
-		.set_local_name(_("Color Cycle"))
-	);
-	ret.push_back(ParamDesc("smooth_outside")
-		.set_local_name(_("Smooth Outside"))
-		.set_description(_("Smooth the coloration outside the set"))
-	);
-	ret.push_back(ParamDesc("broken")
-		.set_local_name(_("Break Set"))
-		.set_description(_("Modify equation to achieve interesting results"))
-	);
-
-
-	return ret;
-}