-/*! ========================================================================
-** Synfig
-** Template File
-** $Id: lineargradient.cpp,v 1.1.1.1 2005/01/04 01:23:10 darco Exp $
+/* === S Y N F I G ========================================================= */
+/*! \file lineargradient.cpp
+** \brief Template Header
**
+** $Id$
+**
+** \legal
** Copyright (c) 2002-2005 Robert B. Quattlebaum Jr., Adrian Bentley
**
** This package is free software; you can redistribute it and/or
** 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 ===========================================================
**
SYNFIG_LAYER_SET_LOCAL_NAME(LinearGradient,_("Linear Gradient"));
SYNFIG_LAYER_SET_CATEGORY(LinearGradient,_("Gradients"));
SYNFIG_LAYER_SET_VERSION(LinearGradient,"0.0");
-SYNFIG_LAYER_SET_CVS_ID(LinearGradient,"$Id: lineargradient.cpp,v 1.1.1.1 2005/01/04 01:23:10 darco Exp $");
+SYNFIG_LAYER_SET_CVS_ID(LinearGradient,"$Id$");
/* === P R O C E D U R E S ================================================= */
{
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);
+ if (zigzag) pool+=gradient(1.0-right*0.5,right).premult_alpha()*right/supersample;
+ else 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);
+ if (zigzag) pool+=gradient(left*0.5,left).premult_alpha()*left/supersample;
+ else pool+=gradient(1.0-left*0.5,left).premult_alpha()*left/supersample;
return pool.demult_alpha();
}
}
}
float
-LinearGradient::calc_supersample(const synfig::Point &x, float pw,float ph)const
+LinearGradient::calc_supersample(const synfig::Point &/*x*/, float pw,float /*ph*/)const
{
return pw/(p2-p1).mag();
}
bool
LinearGradient::set_param(const String & param, const ValueBase &value)
{
- if(param=="p1" && value.same_as(p1))
+ if(param=="p1" && value.same_type_as(p1))
{
p1=value.get(p1);
sync();
return true;
}
- if(param=="p2" && value.same_as(p2))
+ if(param=="p2" && value.same_type_as(p2))
{
p2=value.get(p2);
sync();