/* === S Y N F I G ========================================================= */
/*! \file supersample.cpp
** \brief Implementation of the "Super Sample" layer
**
** $Id$
**
** \legal
** Copyright (c) 2002-2005 Robert B. Quattlebaum Jr., Adrian Bentley
** Copyright (c) 2011-2013 Carlos López
**
** 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
**
** === N O T E S ===========================================================
**
** ========================================================================= */
/* === H E A D E R S ======================================================= */
#ifdef USING_PCH
# include "pch.h"
#else
#ifdef HAVE_CONFIG_H
# include <config.h>
#endif
#include <synfig/localization.h>
#include <synfig/general.h>
#include <synfig/context.h>
#include <synfig/cairo_renddesc.h>
#include <synfig/paramdesc.h>
#include <synfig/renddesc.h>
#include <synfig/render.h>
#include <synfig/rendering/common/task/tasktransformation.h>
#include <synfig/string.h>
#include <synfig/surface.h>
#include <synfig/target.h>
#include <synfig/target_scanline.h>
#include <synfig/time.h>
#include <synfig/value.h>
#include <synfig/valuenode.h>
#include "supersample.h"
#endif
using namespace std;
using namespace etl;
using namespace synfig;
using namespace modules;
using namespace lyr_std;
/* === M A C R O S ========================================================= */
/* === G L O B A L S ======================================================= */
SYNFIG_LAYER_INIT(SuperSample);
SYNFIG_LAYER_SET_NAME(SuperSample,"super_sample");
SYNFIG_LAYER_SET_LOCAL_NAME(SuperSample,N_("Super Sample"));
SYNFIG_LAYER_SET_CATEGORY(SuperSample,N_("Other"));
SYNFIG_LAYER_SET_VERSION(SuperSample,"0.1");
SYNFIG_LAYER_SET_CVS_ID(SuperSample,"$Id$");
/* === P R O C E D U R E S ================================================= */
/* === M E T H O D S ======================================================= */
SuperSample::SuperSample():
param_width(ValueBase(int(2))),
param_height(ValueBase(int(2)))
{
param_scanline=ValueBase(false);
param_alpha_aware=ValueBase(true);
SET_INTERPOLATION_DEFAULTS();
SET_STATIC_DEFAULTS();
}
bool
SuperSample::set_param(const String & param, const ValueBase &value)
{
IMPORT_VALUE_PLUS(param_width,
{
int width=param_width.get(int());
if(value.get(int()) < 1) width = 1;
else width=value.get(int());
param_width.set(width);
return true;
}
);
IMPORT_VALUE_PLUS(param_height,
{
int height=param_height.get(int());
if(value.get(int()) < 1) height = 1;
else height=value.get(int());
param_height.set(height);
return true;
}
);
IMPORT_VALUE(param_scanline);
IMPORT_VALUE(param_alpha_aware);
return false;
}
ValueBase
SuperSample::get_param(const String& param)const
{
EXPORT_VALUE(param_width);
EXPORT_VALUE(param_height);
EXPORT_VALUE(param_scanline);
EXPORT_VALUE(param_alpha_aware);
EXPORT_NAME();
EXPORT_VERSION();
return ValueBase();
}
Layer::Vocab
SuperSample::get_param_vocab(void)const
{
Layer::Vocab ret;
ret.push_back(ParamDesc("width")
.set_local_name(_("Width"))
.set_description(_("Width of sample area (In pixels)"))
);
ret.push_back(ParamDesc("height")
.set_local_name(_("Height"))
.set_description(_("Height of sample area (In pixels)"))
);
ret.push_back(ParamDesc("scanline")
.set_local_name(_("Use Parametric"))
.set_description(_("Use the Parametric Renderer"))
);
ret.push_back(ParamDesc("alpha_aware")
.set_local_name(_("Be Alpha Safe"))
.set_description(_("Avoid alpha artifacts when checked"))
);
return ret;
}
Rect
SuperSample::get_bounding_rect(Context context)const
{
return context.get_full_bounding_rect();
}
rendering::Task::Handle
SuperSample::build_rendering_task_vfunc(Context context)const
{
int width = param_width.get(int());
int height = param_height.get(int());
if (width < 1) width = 1;
if (height < 1) height = 1;
rendering::Task::Handle sub_task = context.build_rendering_task();
if (width == 1 && height == 1)
return sub_task;
rendering::TaskTransformationAffine::Handle task_transformation(new rendering::TaskTransformationAffine());
task_transformation->supersample[0] = width;
task_transformation->supersample[1] = height;
task_transformation->sub_task() = sub_task;
return task_transformation;
}