X-Git-Url: https://git.pterodactylus.net/?a=blobdiff_plain;f=synfig-core%2Ftrunk%2Fsrc%2Fmodules%2Fmod_noise%2Fdistort.cpp;fp=synfig-core%2Ftrunk%2Fsrc%2Fmodules%2Fmod_noise%2Fdistort.cpp;h=fe9eb02facb2fb2c2141354a1fe203923f705917;hb=16b3beced25134bef064705568ecb893a6be4e79;hp=0000000000000000000000000000000000000000;hpb=5a1d028f56182922addfed8f1f1c28fdde12756c;p=synfig.git

diff --git a/synfig-core/trunk/src/modules/mod_noise/distort.cpp b/synfig-core/trunk/src/modules/mod_noise/distort.cpp
new file mode 100644
index 0000000..fe9eb02
--- /dev/null
+++ b/synfig-core/trunk/src/modules/mod_noise/distort.cpp
@@ -0,0 +1,298 @@
+/* === S I N F G =========================================================== */
+/*!	\file noise.cpp
+**	\brief blehh
+**
+**	$Id: distort.cpp,v 1.1.1.1 2005/01/04 01:23:14 darco Exp $
+**
+**	\legal
+**	Copyright (c) 2002 Robert B. Quattlebaum Jr.
+**
+**	This software and associated documentation
+**	are CONFIDENTIAL and PROPRIETARY property of
+**	the above-mentioned copyright holder.
+**
+**	You may not copy, print, publish, or in any
+**	other way distribute this software without
+**	a prior written agreement with
+**	the copyright holder.
+**	\endlegal
+*/
+/* ========================================================================= */
+
+/* === H E A D E R S ======================================================= */
+
+#ifdef USING_PCH
+#	include "pch.h"
+#else
+#ifdef HAVE_CONFIG_H
+#	include <config.h>
+#endif
+
+#include "distort.h"
+
+#include <sinfg/string.h>
+#include <sinfg/time.h>
+#include <sinfg/context.h>
+#include <sinfg/paramdesc.h>
+#include <sinfg/renddesc.h>
+#include <sinfg/surface.h>
+#include <sinfg/value.h>
+#include <sinfg/valuenode.h>
+
+#endif
+
+/* === M A C R O S ========================================================= */
+
+using namespace sinfg;
+using namespace std;
+using namespace etl;
+
+/* === G L O B A L S ======================================================= */
+
+SINFG_LAYER_INIT(NoiseDistort);
+SINFG_LAYER_SET_NAME(NoiseDistort,"noise_distort");
+SINFG_LAYER_SET_LOCAL_NAME(NoiseDistort,_("Noise Distort"));
+SINFG_LAYER_SET_CATEGORY(NoiseDistort,_("Distortions"));
+SINFG_LAYER_SET_VERSION(NoiseDistort,"0.0");
+SINFG_LAYER_SET_CVS_ID(NoiseDistort,"$Id: distort.cpp,v 1.1.1.1 2005/01/04 01:23:14 darco Exp $");
+
+/* === P R O C E D U R E S ================================================= */
+
+/* === M E T H O D S ======================================================= */
+
+NoiseDistort::NoiseDistort():
+	size(1,1)
+{
+	set_blend_method(Color::BLEND_STRAIGHT);
+	smooth=2;
+	detail=4;
+	speed=0;
+	random.set_seed(time(NULL));
+	turbulent=false;
+	displacement=Vector(0.25,0.25);
+}
+
+inline Color
+NoiseDistort::color_func(const Point &point, float supersample,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));
+	
+	int i;
+	Time time;
+	time=speed*curr_time;
+	int smooth((!speed && smooth==3)?5:smooth);
+	
+	{
+		Vector vect(0,0);
+		for(i=0;i<detail;i++)
+		{
+			vect[0]=random(smooth,0+(detail-i)*5,x,y,time)+vect[0]*0.5;
+			vect[1]=random(smooth,1+(detail-i)*5,x,y,time)+vect[1]*0.5;
+
+			if(vect[0]<-1)vect[0]=-1;if(vect[0]>1)vect[0]=1;
+			if(vect[1]<-1)vect[1]=-1;if(vect[1]>1)vect[1]=1;
+				
+			if(turbulent)
+			{
+				vect[0]=abs(vect[0]);
+				vect[1]=abs(vect[1]);
+			}
+				
+			x/=2.0f;
+			y/=2.0f;
+		}
+
+		if(!turbulent)
+		{
+			vect[0]=vect[0]/2.0f+0.5f;
+			vect[1]=vect[1]/2.0f+0.5f;
+		}
+		vect[0]=(vect[0]-0.5f)*displacement[0];
+		vect[1]=(vect[1]-0.5f)*displacement[1];
+		
+		ret=context.get_color(point+vect);
+	}
+	return ret;
+}
+
+inline float
+NoiseDistort::calc_supersample(const sinfg::Point &x, float pw,float ph)const
+{
+	return 0.0f;
+}
+
+void
+NoiseDistort::set_time(sinfg::Context context, sinfg::Time t)const
+{
+	curr_time=t;
+	context.set_time(t);
+}
+
+void
+NoiseDistort::set_time(sinfg::Context context, sinfg::Time t, const sinfg::Point &point)const
+{
+	curr_time=t;
+	context.set_time(t,point);
+}
+
+sinfg::Layer::Handle
+NoiseDistort::hit_check(sinfg::Context context, const sinfg::Point &point)const
+{
+	if(get_blend_method()==Color::BLEND_STRAIGHT && get_amount()>=0.5)
+		return const_cast<NoiseDistort*>(this);
+	if(get_amount()==0.0)
+		return context.hit_check(point);
+	if(color_func(point,0,context).get_a()>0.5)
+		return const_cast<NoiseDistort*>(this);
+	return false;
+}
+
+bool
+NoiseDistort::set_param(const String & param, const ValueBase &value)
+{
+	if(param=="seed" && value.same_as(int()))
+	{
+		random.set_seed(value.get(int()));
+		return true;
+	}
+	IMPORT(size);
+	IMPORT(speed);
+	IMPORT(smooth);
+	IMPORT(detail);
+	IMPORT(turbulent);
+	IMPORT(displacement);
+	return Layer_Composite::set_param(param,value);	
+}
+
+ValueBase
+NoiseDistort::get_param(const String & param)const
+{
+	if(param=="seed")
+		return random.get_seed();
+	EXPORT(size);
+	EXPORT(speed);
+	EXPORT(smooth);
+	EXPORT(detail);
+	EXPORT(displacement);
+	EXPORT(turbulent);
+	
+	EXPORT_NAME();
+	EXPORT_VERSION();
+		
+	return Layer_Composite::get_param(param);	
+}
+
+Layer::Vocab
+NoiseDistort::get_param_vocab()const
+{
+	Layer::Vocab ret(Layer_Composite::get_param_vocab());
+	
+	ret.push_back(ParamDesc("displacement")
+		.set_local_name(_("Displacement"))
+	);
+
+	ret.push_back(ParamDesc("size")
+		.set_local_name(_("Size"))
+	);
+	ret.push_back(ParamDesc("seed")
+		.set_local_name(_("Random Seed"))
+	);
+	ret.push_back(ParamDesc("smooth")
+		.set_local_name(_("Interpolation"))
+		.set_description(_("What type of interpolation to use"))
+		.set_hint("enum")
+		.add_enum_value(0,"nearest",_("Nearest Neighbor"))
+		.add_enum_value(1,"linear",_("Linear"))
+		.add_enum_value(2,"cosine",_("Cosine"))
+		.add_enum_value(3,"spline",_("Spline"))
+		.add_enum_value(4,"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"))
+	);
+	
+	return ret;
+}
+
+Color
+NoiseDistort::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());
+}
+
+Rect
+NoiseDistort::get_bounding_rect(Context context)const
+{
+	if(is_disabled())
+		return Rect::zero();
+
+	if(Color::is_onto(get_blend_method()))
+		return context.get_full_bounding_rect();
+	
+	Rect bounds(context.get_full_bounding_rect().expand_x(displacement[0]).expand_y(displacement[1]));
+	
+	return bounds;
+}
+
+/*
+bool
+NoiseDistort::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());
+	
+	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,calc_supersample(pos,pw,ph),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,calc_supersample(pos,pw,ph),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;
+}
+*/