X-Git-Url: https://git.pterodactylus.net/?a=blobdiff_plain;f=synfig-core%2Fsrc%2Fmodules%2Fmod_filter%2Flumakey.cpp;fp=synfig-core%2Fsrc%2Fmodules%2Fmod_filter%2Flumakey.cpp;h=9b30808be2663a22ba9e8690e4928aa197b7c716;hb=a095981e18cc37a8ecc7cd237cc22b9c10329264;hp=0000000000000000000000000000000000000000;hpb=9459638ad6797b8139f1e9f0715c96076dbf0890;p=synfig.git

diff --git a/synfig-core/src/modules/mod_filter/lumakey.cpp b/synfig-core/src/modules/mod_filter/lumakey.cpp
new file mode 100644
index 0000000..9b30808
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+++ b/synfig-core/src/modules/mod_filter/lumakey.cpp
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+/* === S Y N F I G ========================================================= */
+/*!	\file lumakey.cpp
+**	\brief Implementation of the "Luma Key" 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
+*/
+/* ========================================================================= */
+
+/* === H E A D E R S ======================================================= */
+
+#ifdef USING_PCH
+#	include "pch.h"
+#else
+#ifdef HAVE_CONFIG_H
+#	include <config.h>
+#endif
+
+#include "lumakey.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>
+#include <synfig/segment.h>
+
+#endif
+
+using namespace synfig;
+using namespace std;
+using namespace etl;
+
+/* === M A C R O S ========================================================= */
+
+/* === G L O B A L S ======================================================= */
+
+SYNFIG_LAYER_INIT(LumaKey);
+SYNFIG_LAYER_SET_NAME(LumaKey,"lumakey");
+SYNFIG_LAYER_SET_LOCAL_NAME(LumaKey,N_("Luma Key"));
+SYNFIG_LAYER_SET_CATEGORY(LumaKey,N_("Filters"));
+SYNFIG_LAYER_SET_VERSION(LumaKey,"0.1");
+SYNFIG_LAYER_SET_CVS_ID(LumaKey,"$Id$");
+
+/* === P R O C E D U R E S ================================================= */
+
+/* === M E T H O D S ======================================================= */
+
+LumaKey::LumaKey():
+	Layer_Composite	(1.0,Color::BLEND_STRAIGHT)
+{
+	set_blend_method(Color::BLEND_STRAIGHT);
+}
+
+
+bool
+LumaKey::set_param(const String &param, const ValueBase &value)
+{
+	return Layer_Composite::set_param(param,value);
+}
+
+ValueBase
+LumaKey::get_param(const String &param)const
+{
+	EXPORT_NAME();
+	EXPORT_VERSION();
+
+	return Layer_Composite::get_param(param);
+}
+
+Layer::Vocab
+LumaKey::get_param_vocab()const
+{
+	Layer::Vocab ret(Layer_Composite::get_param_vocab());
+
+/*	ret.push_back(ParamDesc("color")
+		.set_local_name(_("Color"))
+		.set_description(_("Color of checkers"))
+	);
+	ret.push_back(ParamDesc("pos")
+		.set_local_name(_("Offset"))
+	);
+	ret.push_back(ParamDesc("size")
+		.set_local_name(_("Size"))
+		.set_description(_("Size of checkers"))
+		.set_origin("pos")
+	);
+*/
+	return ret;
+}
+
+synfig::Layer::Handle
+LumaKey::hit_check(synfig::Context context, const synfig::Point &getpos)const
+{
+	return context.hit_check(getpos);
+}
+
+Color
+LumaKey::get_color(Context context, const Point &getpos)const
+{
+	const Color color(context.get_color(getpos));
+
+	if(get_amount()==0.0)
+		return color;
+
+	Color ret(color);
+	ret.set_a(ret.get_y()*ret.get_a());
+	ret.set_y(1);
+
+	if(get_amount()==1.0 && get_blend_method()==Color::BLEND_STRAIGHT)
+		return ret;
+
+	return Color::blend(ret,color,get_amount(),get_blend_method());
+}
+
+bool
+LumaKey::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;
+
+	int x,y;
+
+	Surface::pen pen(surface->begin());
+
+	for(y=0;y<renddesc.get_h();y++,pen.inc_y(),pen.dec_x(x))
+		for(x=0;x<renddesc.get_w();x++,pen.inc_x())
+		{
+			Color tmp(pen.get_value());
+			tmp.set_a(tmp.get_y()*tmp.get_a());
+			tmp.set_y(1);
+			pen.put_value(tmp);
+		}
+
+	// Mark our progress as finished
+	if(cb && !cb->amount_complete(10000,10000))
+		return false;
+
+	return true;
+}
+
+Rect
+LumaKey::get_bounding_rect(Context context)const
+{
+	if(is_disabled())
+		return Rect::zero();
+
+	return context.get_full_bounding_rect();
+}