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/* === S Y N F I G ========================================================= */
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/*! \file halftone2.h
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** \brief Header file for implementation of the "Halftone 2" layer
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**
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** $Id$
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**
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** \legal
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** Copyright (c) 2002-2005 Robert B. Quattlebaum Jr., Adrian Bentley
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** Copyright (c) 2008 Chris Moore
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** Copyright (c) 2012-2013 Carlos Lรณpez
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**
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** This package is free software; you can redistribute it and/or
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** modify it under the terms of the GNU General Public License as
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** published by the Free Software Foundation; either version 2 of
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** the License, or (at your option) any later version.
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**
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** This package is distributed in the hope that it will be useful,
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** but WITHOUT ANY WARRANTY; without even the implied warranty of
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** MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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** General Public License for more details.
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** \endlegal
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*/
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/* ========================================================================= */
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/* === S T A R T =========================================================== */
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#ifndef __SYNFIG_HALFTONE2_H
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#define __SYNFIG_HALFTONE2_H
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/* === H E A D E R S ======================================================= */
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#include <synfig vector.h=""></synfig>
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#include <synfig valuenode.h=""></synfig>
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![](https://seccdn.libravatar.org/avatar/2e5dd0bee1e7e619066117de357c8458fc7e847f4345b0cb8a7a5413aa2a45a0?d=retro&s=16) |
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#include <synfig layer_composite_fork.h="" layers=""></synfig>
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#include <synfig time.h=""></synfig>
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#include <synfig angle.h=""></synfig>
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#include "halftone.h"
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/* === M A C R O S ========================================================= */
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#define HALFTONE2_IMPORT_VALUE(x) \
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if (#x=="halftone.param_"+param && x.get_type()==value.get_type()) \
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{ \
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x=value; \
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return true; \
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} \
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#define HALFTONE2_EXPORT_VALUE(x) \
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if (#x=="halftone.param_"+param) \
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{ \
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return x; \
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} \
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/* === T Y P E D E F S ===================================================== */
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/* === C L A S S E S & S T R U C T S ======================================= */
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using namespace synfig;
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using namespace std;
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using namespace etl;
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![](https://seccdn.libravatar.org/avatar/2e5dd0bee1e7e619066117de357c8458fc7e847f4345b0cb8a7a5413aa2a45a0?d=retro&s=16) |
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class Halftone2 : public Layer_CompositeFork
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{
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SYNFIG_LAYER_MODULE_EXT
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private:
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//! Parameter: (class Halftone)
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Halftone halftone;
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//! Parameter: (Color)
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ValueBase param_color_dark;
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//! Parameter: (Color)
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ValueBase param_color_light;
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Color color_func(const Point &x, float supersample,const Color &under_color)const;
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float calc_supersample(const Point &x, float pw,float ph)const;
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//float halftone_func(Point x)const;
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public:
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Halftone2();
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virtual bool set_param(const String ¶m, const ValueBase &value);
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virtual ValueBase get_param(const String ¶m)const;
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virtual Color get_color(Context context, const Point &pos)const;
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virtual bool accelerated_render(Context context,Surface *surface,int quality, const RendDesc &renddesc, ProgressCallback *cb)const;
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virtual bool accelerated_cairorender(Context context,cairo_t *cr, int quality, const RendDesc &renddesc, ProgressCallback *cb)const;
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Layer::Handle hit_check(Context context, const Point &point)const;
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virtual Vocab get_param_vocab()const;
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virtual bool reads_context()const { return true; }
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![](https://seccdn.libravatar.org/avatar/2e5dd0bee1e7e619066117de357c8458fc7e847f4345b0cb8a7a5413aa2a45a0?d=retro&s=16) |
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![](https://seccdn.libravatar.org/avatar/2e5dd0bee1e7e619066117de357c8458fc7e847f4345b0cb8a7a5413aa2a45a0?d=retro&s=16) |
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protected:
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virtual rendering::Task::Handle build_rendering_task_vfunc(Context context) const;
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}; // END of class Halftone2
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/* === E N D =============================================================== */
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#endif
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