-/* === S I N F G =========================================================== */
+/* === S Y N F I G ========================================================= */
/*! \file conicalgradient.cpp
-** \brief Template Header
+** \brief Implementation of the "Conical Gradient" layer
**
-** $Id: conicalgradient.cpp,v 1.1.1.1 2005/01/04 01:23:10 darco Exp $
+** $Id$
**
** \legal
-** Copyright (c) 2002 Robert B. Quattlebaum Jr.
+** Copyright (c) 2002-2005 Robert B. Quattlebaum Jr., Adrian Bentley
**
-** This software and associated documentation
-** are CONFIDENTIAL and PROPRIETARY property of
-** the above-mentioned copyright holder.
+** 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.
**
-** You may not copy, print, publish, or in any
-** other way distribute this software without
-** a prior written agreement with
-** the copyright holder.
+** 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
*/
/* ========================================================================= */
# include <config.h>
#endif
-#include <sinfg/string.h>
-#include <sinfg/time.h>
-#include <sinfg/context.h>
-#include <sinfg/paramdesc.h>
-#include <sinfg/renddesc.h>
-#include <sinfg/surface.h>
-#include <sinfg/value.h>
-#include <sinfg/valuenode.h>
-#include <sinfg/angle.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/angle.h>
#include "conicalgradient.h"
using namespace etl;
using namespace std;
-using namespace sinfg;
+using namespace synfig;
/* === G L O B A L S ======================================================= */
-SINFG_LAYER_INIT(ConicalGradient);
-SINFG_LAYER_SET_NAME(ConicalGradient,"conical_gradient");
-SINFG_LAYER_SET_LOCAL_NAME(ConicalGradient,_("Conical Gradient"));
-SINFG_LAYER_SET_CATEGORY(ConicalGradient,_("Gradients"));
-SINFG_LAYER_SET_VERSION(ConicalGradient,"0.1");
-SINFG_LAYER_SET_CVS_ID(ConicalGradient,"$Id: conicalgradient.cpp,v 1.1.1.1 2005/01/04 01:23:10 darco Exp $");
+SYNFIG_LAYER_INIT(ConicalGradient);
+SYNFIG_LAYER_SET_NAME(ConicalGradient,"conical_gradient");
+SYNFIG_LAYER_SET_LOCAL_NAME(ConicalGradient,N_("Conical Gradient"));
+SYNFIG_LAYER_SET_CATEGORY(ConicalGradient,N_("Gradients"));
+SYNFIG_LAYER_SET_VERSION(ConicalGradient,"0.1");
+SYNFIG_LAYER_SET_CVS_ID(ConicalGradient,"$Id$");
/* === P R O C E D U R E S ================================================= */
symmetric(false)
{
}
-
+
bool
ConicalGradient::set_param(const String & param, const ValueBase &value)
{
EXPORT_NAME();
EXPORT_VERSION();
-
- return Layer_Composite::get_param(param);
+
+ return Layer_Composite::get_param(param);
}
Layer::Vocab
ConicalGradient::get_param_vocab()const
{
Layer::Vocab ret(Layer_Composite::get_param_vocab());
-
+
ret.push_back(ParamDesc("gradient")
.set_local_name(_("Gradient"))
);
ret.push_back(ParamDesc("center")
.set_local_name(_("Center"))
);
-
+
ret.push_back(ParamDesc("angle")
.set_local_name(_("Angle"))
.set_origin("center")
ret.push_back(ParamDesc("symmetric")
.set_local_name(_("Symmetric"))
);
-
+
return ret;
}
Angle::rot a=Angle::tan(-centered[1],centered[0]).mod();
a+=angle;
Real dist(a.mod().get());
-
+
dist-=floor(dist);
if(symmetric)
*/
if(dist+supersample*0.5>1.0)
{
- Color pool(gradient(dist,supersample*0.5).premult_alpha()*(1.0-(dist-supersample*0.5)));
- pool+=gradient((dist+supersample*0.5)-1.0,supersample*0.5).premult_alpha()*((dist+supersample*0.5)-1.0);
+ float left(supersample*0.5-(dist-1.0));
+ float right(supersample*0.5+(dist-1.0));
+ Color pool(gradient(1.0-(left*0.5),left).premult_alpha()*left/supersample);
+ pool+=gradient(right*0.5,right).premult_alpha()*right/supersample;
return pool.demult_alpha();
}
if(dist-supersample*0.5<0.0)
{
- Color pool(gradient(dist,supersample*0.5).premult_alpha()*(dist+supersample*0.5));
- pool+=gradient(1.0-(dist-supersample*0.5),supersample*0.5).premult_alpha()*(-(dist-supersample*0.5));
+ float left(supersample*0.5-dist);
+ float right(supersample*0.5+dist);
+ Color pool(gradient(right*0.5,right).premult_alpha()*right/supersample);
+ pool+=gradient(1.0-left*0.5,left).premult_alpha()*left/supersample;
return pool.demult_alpha();
}
}
float
-ConicalGradient::calc_supersample(const sinfg::Point &x, float pw,float ph)const
+ConicalGradient::calc_supersample(const synfig::Point &x, float pw,float ph)const
{
Point adj(x-center);
if(abs(adj[0])<abs(pw*0.5) && abs(adj[1])<abs(ph*0.5))
return (pw/Point(x-center).mag())/(PI*2);
}
-sinfg::Layer::Handle
-ConicalGradient::hit_check(sinfg::Context context, const sinfg::Point &point)const
+synfig::Layer::Handle
+ConicalGradient::hit_check(synfig::Context context, const synfig::Point &point)const
{
if(get_blend_method()==Color::BLEND_STRAIGHT && get_amount()>=0.5)
return const_cast<ConicalGradient*>(this);
ConicalGradient::get_color(Context context, const Point &pos)const
{
const Color color(color_func(pos));
-
+
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());
}
-
+
bool
ConicalGradient::accelerated_render(Context context,Surface *surface,int quality, const RendDesc &renddesc, ProgressCallback *cb)const
{
return true;
}
-
+
int x,y;
Surface::pen pen(surface->begin());
Point tl(renddesc.get_tl());
const int w(surface->get_w());
const int h(surface->get_h());
-
+
if(get_amount()==1.0 && get_blend_method()==Color::BLEND_STRAIGHT)
{
if(quality<9)
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