/* === S Y N F I G ========================================================= */

/*!	\file layer_solidcolor.cpp

**	\brief Implementation of the "Solid Color" layer

**

**	$Id$

**

**	\legal

**	Copyright (c) 2002-2005 Robert B. Quattlebaum Jr., Adrian Bentley

**	Copyright (c) 2007, 2008 Chris Moore

**	Copyright (c) 2011-2013 Carlos Lรณpez

**

**	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></config.h>

#endif

#include "layer_solidcolor.h"

#include <synfig general.h=""></synfig>

#include <synfig localization.h=""></synfig>

#include <synfig context.h=""></synfig>

#include <synfig paramdesc.h=""></synfig>

#include <synfig renddesc.h=""></synfig>

#include <synfig time.h=""></synfig>

#include <synfig string.h=""></synfig>

#include <synfig surface.h=""></synfig>

#include <synfig value.h=""></synfig>

#include <synfig valuenode.h=""></synfig>

#include <synfig common="" rendering="" task="" taskpixelprocessor.h=""></synfig>

#endif

/* === U S I N G =========================================================== */

using namespace etl;

using namespace std;

using namespace synfig;

/* === G L O B A L S ======================================================= */

SYNFIG_LAYER_INIT(Layer_SolidColor);

SYNFIG_LAYER_SET_NAME(Layer_SolidColor,"SolidColor"); // todo: use solid_color

SYNFIG_LAYER_SET_LOCAL_NAME(Layer_SolidColor,N_("Solid Color"));

SYNFIG_LAYER_SET_CATEGORY(Layer_SolidColor,N_("Geometry"));

SYNFIG_LAYER_SET_VERSION(Layer_SolidColor,"0.1");

SYNFIG_LAYER_SET_CVS_ID(Layer_SolidColor,"$Id$");

/* === P R O C E D U R E S ================================================= */

/* === M E T H O D S ======================================================= */

/* === E N T R Y P O I N T ================================================= */

Layer_SolidColor::Layer_SolidColor():

	Layer_Composite(1.0,Color::BLEND_COMPOSITE),

	param_color(ValueBase(Color::black()))

{

	SET_INTERPOLATION_DEFAULTS();

	SET_STATIC_DEFAULTS();

}

bool

Layer_SolidColor::set_param(const String & param, const ValueBase &value)

{

	IMPORT_VALUE_PLUS(param_color,

		{

			Color color=param_color.get(Color());

			if (color.get_a() == 0)

			{

				if (converted_blend_)

				{

					set_blend_method(Color::BLEND_ALPHA_OVER);

					color.set_a(1);

					param_color.set(color);

				}

				else transparent_color_ = true;

			}

		}

		);

	return Layer_Composite::set_param(param,value);

}

ValueBase

Layer_SolidColor::get_param(const String ¶m)const

{

	EXPORT_VALUE(param_color);

	EXPORT_NAME();

	EXPORT_VERSION();

	return Layer_Composite::get_param(param);

}

Layer::Vocab

Layer_SolidColor::get_param_vocab()const

{

	Layer::Vocab ret(Layer_Composite::get_param_vocab());

	ret.push_back(ParamDesc("color")

		.set_local_name(_("Color"))

		.set_description(_("Fill color of the layer"))

	);

	return ret;

}

synfig::Layer::Handle

Layer_SolidColor::hit_check(synfig::Context context, const synfig::Point &point)const

{

	Color color=param_color.get(Color());

	if(get_blend_method()==Color::BLEND_STRAIGHT && get_amount()>=0.5)

		return const_cast<layer_solidcolor*>(this);</layer_solidcolor*>

	else

	if(get_blend_method()==Color::BLEND_COMPOSITE && get_amount()*color.get_a()>=0.5)

		return const_cast<layer_solidcolor*>(this);</layer_solidcolor*>

	Layer::Handle layer(context.hit_check(point));

	return layer?layer:const_cast<layer_solidcolor*>(this);</layer_solidcolor*>

}

Color

Layer_SolidColor::get_color(Context context, const Point &pos)const

{

	Color color=param_color.get(Color());

	if(get_amount()==1.0 && get_blend_method()==Color::BLEND_STRAIGHT)

		return color;

	else

		return Color::blend(color,context.get_color(pos),get_amount(),get_blend_method());

}

rendering::Task::Handle

Layer_SolidColor::build_composite_task_vfunc(ContextParams /*context_params*/)const

{

	rendering::TaskPixelColorMatrix::Handle task(new rendering::TaskPixelColorMatrix());

	task->matrix.set_constant( param_color.get(Color()) );

	return task;

}