--- /dev/null
+/* === S Y N F I G ========================================================= */
+/*! \file halftone2.cpp
+** \brief blehh
+**
+** $Id: halftone2.cpp,v 1.1.1.1 2005/01/04 01:23:10 darco Exp $
+**
+** \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
+*/
+/* ========================================================================= */
+
+/* === H E A D E R S ======================================================= */
+
+#ifdef USING_PCH
+# include "pch.h"
+#else
+#ifdef HAVE_CONFIG_H
+# include <config.h>
+#endif
+
+#include "halftone2.h"
+#include "halftone.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 ========================================================= */
+
+using namespace synfig;
+using namespace std;
+using namespace etl;
+
+/* === G L O B A L S ======================================================= */
+
+SYNFIG_LAYER_INIT(Halftone2);
+SYNFIG_LAYER_SET_NAME(Halftone2,"halftone2");
+SYNFIG_LAYER_SET_LOCAL_NAME(Halftone2,_("Halftone2"));
+SYNFIG_LAYER_SET_CATEGORY(Halftone2,_("Filters"));
+SYNFIG_LAYER_SET_VERSION(Halftone2,"0.0");
+SYNFIG_LAYER_SET_CVS_ID(Halftone2,"$Id: halftone2.cpp,v 1.1.1.1 2005/01/04 01:23:10 darco Exp $");
+
+/* === P R O C E D U R E S ================================================= */
+
+/* === M E T H O D S ======================================================= */
+
+Halftone2::Halftone2():
+ color_dark(Color::black()),
+ color_light(Color::white())
+{
+ halftone.offset=(synfig::Point(0,0));
+ halftone.size=(synfig::Vector(0.25,0.25));
+ halftone.angle=(Angle::zero());
+ halftone.type=TYPE_SYMMETRIC;
+
+ set_blend_method(Color::BLEND_STRAIGHT);
+}
+
+inline Color
+Halftone2::color_func(const Point &point, float supersample,const Color& color)const
+{
+ const float amount(halftone(point,color.get_y(),supersample));
+ Color halfcolor;
+
+ if(amount<=0.0f)
+ halfcolor=color_dark;
+ else if(amount>=1.0f)
+ halfcolor=color_light;
+ else
+ halfcolor=Color::blend(color_light,color_dark,amount,Color::BLEND_STRAIGHT);
+
+ halfcolor.set_a(color.get_a());
+
+ return halfcolor;
+}
+
+inline float
+Halftone2::calc_supersample(const synfig::Point &x, float pw,float ph)const
+{
+ return abs(pw/(halftone.size).mag());
+}
+
+synfig::Layer::Handle
+Halftone2::hit_check(synfig::Context context, const synfig::Point &point)const
+{
+ return const_cast<Halftone2*>(this);
+}
+
+bool
+Halftone2::set_param(const String & param, const ValueBase &value)
+{
+ IMPORT(color_dark);
+ IMPORT(color_light);
+
+ IMPORT_AS(halftone.size,"size");
+ IMPORT_AS(halftone.type,"type");
+ IMPORT_AS(halftone.angle,"angle");
+ IMPORT_AS(halftone.offset,"offset");
+
+ return Layer_Composite::set_param(param,value);
+}
+
+ValueBase
+Halftone2::get_param(const String & param)const
+{
+ EXPORT_AS(halftone.size,"size");
+ EXPORT_AS(halftone.type,"type");
+ EXPORT_AS(halftone.angle,"angle");
+ EXPORT_AS(halftone.offset,"offset");
+
+ EXPORT(color_dark);
+ EXPORT(color_light);
+
+ EXPORT_NAME();
+ EXPORT_VERSION();
+
+ return Layer_Composite::get_param(param);
+}
+
+Layer::Vocab
+Halftone2::get_param_vocab()const
+{
+ Layer::Vocab ret(Layer_Composite::get_param_vocab());
+
+ ret.push_back(ParamDesc("offset")
+ .set_local_name(_("Mask Offset"))
+ .set_is_distance()
+ );
+ ret.push_back(ParamDesc("angle")
+ .set_local_name(_("Mask Angle"))
+ .set_origin("offset")
+ );
+ ret.push_back(ParamDesc("size")
+ .set_local_name(_("Mask Size"))
+ .set_is_distance()
+ .set_origin("offset")
+ );
+ ret.push_back(ParamDesc("color_light")
+ .set_local_name(_("Light Color"))
+ );
+ ret.push_back(ParamDesc("color_dark")
+ .set_local_name(_("Dark Color"))
+ );
+ ret.push_back(ParamDesc("type")
+ .set_local_name(_("Type"))
+ .set_hint("enum")
+ .add_enum_value(TYPE_SYMMETRIC,"symmetric",_("Symmetric"))
+ .add_enum_value(TYPE_LIGHTONDARK,"lightondark",_("Light On Dark"))
+ //.add_enum_value(TYPE_DARKONLIGHT,"darkonlight",_("Dark on Light"))
+ .add_enum_value(TYPE_DIAMOND,"diamond",_("Diamond"))
+ .add_enum_value(TYPE_STRIPE,"stripe",_("Stripe"))
+ );
+
+ return ret;
+}
+
+Color
+Halftone2::get_color(Context context, const Point &point)const
+{
+ const Color undercolor(context.get_color(point));
+ const Color color(color_func(point,0,undercolor));
+
+ if(get_amount()==1.0 && get_blend_method()==Color::BLEND_STRAIGHT)
+ return color;
+ else
+ return Color::blend(color,undercolor,get_amount(),get_blend_method());
+}
+
+bool
+Halftone2::accelerated_render(Context context,Surface *surface,int quality, const RendDesc &renddesc, ProgressCallback *cb)const
+{
+ SuperCallback supercb(cb,0,9500,10000);
+
+ if(!context.accelerated_render(surface,quality,renddesc,&supercb))
+ return false;
+ if(get_amount()==0)
+ return true;
+
+ const Real pw(renddesc.get_pw()),ph(renddesc.get_ph());
+ const Point tl(renddesc.get_tl());
+ const int w(surface->get_w());
+ const int h(surface->get_h());
+ const float supersample_size(abs(pw/(halftone.size).mag()));
+
+ Surface::pen pen(surface->begin());
+ Point pos;
+ int x,y;
+
+ if(is_solid_color())
+ {
+ 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,
+ supersample_size,
+ pen.get_value()
+ )
+ );
+ }
+ 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,
+ supersample_size,
+ pen.get_value()
+ ),
+ pen.get_value(),
+ get_amount(),
+ get_blend_method()
+ )
+ );
+ }
+
+ // Mark our progress as finished
+ if(cb && !cb->amount_complete(10000,10000))
+ return false;
+
+ return true;
+}
projects / synfig.git / blobdiff