X-Git-Url: https://git.pterodactylus.net/?a=blobdiff_plain;f=synfig-core%2Ftrunk%2Fsrc%2Fmodules%2Fmod_filter%2Fhalftone.cpp;fp=synfig-core%2Ftrunk%2Fsrc%2Fmodules%2Fmod_filter%2Fhalftone.cpp;h=0000000000000000000000000000000000000000;hb=a095981e18cc37a8ecc7cd237cc22b9c10329264;hp=8e8ba9e7b3a5309b8887f1710332e1564a8da754;hpb=9459638ad6797b8139f1e9f0715c96076dbf0890;p=synfig.git

diff --git a/synfig-core/trunk/src/modules/mod_filter/halftone.cpp b/synfig-core/trunk/src/modules/mod_filter/halftone.cpp
deleted file mode 100644
index 8e8ba9e..0000000
--- a/synfig-core/trunk/src/modules/mod_filter/halftone.cpp
+++ /dev/null
@@ -1,168 +0,0 @@
-/* === S Y N F I G ========================================================= */
-/*!	\file halftone.cpp
-**	\brief blehh
-**
-**	$Id$
-**
-**	\legal
-**	Copyright (c) 2002-2005 Robert B. Quattlebaum Jr., Adrian Bentley
-**	Copyright (c) 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 "halftone.h"
-
-#endif
-
-/* === M A C R O S ========================================================= */
-
-using namespace synfig;
-using namespace std;
-using namespace etl;
-
-/* === G L O B A L S ======================================================= */
-
-
-/* === P R O C E D U R E S ================================================= */
-
-#define SQRT2	(1.414213562f)
-
-/* === M E T H O D S ======================================================= */
-
-float
-Halftone::operator()(const Point &point, const float& luma, float supersample)const
-{
-	float halftone(mask(point));
-
-	if(supersample>=0.5f)
-		supersample=0.4999999999f;
-
-	halftone=(halftone-0.5f)*(1.0f-supersample*2.0f)+0.5f;
-
-	const float diff(halftone-luma);
-
-	if(supersample)
-	{
-		const float amount(diff/(supersample*2.0f)+0.5f);
-
-		if(amount<=0.0f+0.01f)
-			return 1.0f;
-		else if(amount>=1.0f-0.01f)
-			return 0.0f;
-		else
-			return 1.0f-amount;
-	}
-	else
-	{
-		if(diff>=0)
-			return 0.0f;
-		else
-			return 1.0f;
-	}
-
-	return 0.0f;
-}
-
-float
-Halftone::mask(synfig::Point point)const
-{
-	float radius1;
-	float radius2;
-
-	point-=origin;
-
-	{
-		const float	a(Angle::sin(-angle).get()),	b(Angle::cos(-angle).get());
-		const float	u(point[0]),v(point[1]);
-
-		point[0]=b*u-a*v;
-		point[1]=a*u+b*v;
-	}
-
-	if(type==TYPE_STRIPE)
-	{
-		Point pnt(fmod(point[0],size[0]),fmod(point[1],size[1]));
-		while(pnt[0]<0)pnt[0]+=abs(size[0]);
-		while(pnt[1]<0)pnt[1]+=abs(size[1]);
-
-		float x(pnt[1]/size[1]);
-		if(x>0.5)x=1.0-x;
-		x*=2;
-		return x;
-	}
-
-	{
-		Point pnt(fmod(point[0],size[0]),fmod(point[1],size[1]));
-		while(pnt[0]<0)pnt[0]+=abs(size[0]);
-		while(pnt[1]<0)pnt[1]+=abs(size[1]);
-		pnt-=Vector(size[0]*0.5,size[1]*0.5);
-		pnt*=2.0;
-		pnt[0]/=size[0];
-		pnt[1]/=size[1];
-
-		radius1=pnt.mag()/SQRT2;
-		radius1*=radius1;
-	}
-	if(type==TYPE_DARKONLIGHT || type== TYPE_LIGHTONDARK)
-		return radius1;
-
-	{
-		Point pnt(fmod(point[0]+size[0]*0.5,size[0]),fmod(point[1]+size[0]*0.5,size[1]));
-		while(pnt[0]<0)pnt[0]+=abs(size[0]);
-		while(pnt[1]<0)pnt[1]+=abs(size[1]);
-		pnt-=Vector(size[0]*0.5,size[1]*0.5);
-		pnt*=2.0;
-		pnt[0]/=size[0];
-		pnt[1]/=size[1];
-
-		radius2=pnt.mag()/SQRT2;
-		radius2*=radius2;
-	}
-
-	if(type==TYPE_DIAMOND)
-	{
-		//return (radius1+(1.0f-radius2))*0.5;
-		float x((radius1+(1.0f-radius2))*0.5);
-		//float x(((radius2-radius1)*((radius1+(1.0f-radius2))*0.5)+radius1)*2.0f);
-		x-=0.5;
-		x*=2.0;
-		if(x<0)x=-sqrt(-x);else x=sqrt(x);
-		x*=1.01f;
-		x/=2.0;
-		x+=0.5;
-		return x;
-	}
-
-	if(type==TYPE_SYMMETRIC)
-	{
-		float x(((radius2-radius1)*((radius1+(1.0f-radius2))*0.5)+radius1)*2.0f);
-		x-=0.5;
-		x*=2.0;
-		if(x<0)x=-sqrt(-x);else x=sqrt(x);
-		x*=1.01f;
-		x/=2.0;
-		x+=0.5;
-		return x;
-	}
-	return 0;
-}