-/*! ========================================================================
-** Synfig
-** Template File
-** $Id: radialblur.cpp,v 1.1.1.1 2005/01/04 01:23:10 darco Exp $
+/* === S Y N F I G ========================================================= */
+/*! \file radialblur.cpp
+** \brief Template Header
**
-** Copyright (c) 2002 Robert B. Quattlebaum Jr.
+** $Id$
**
-** This software and associated documentation
-** are CONFIDENTIAL and PROPRIETARY property of
-** the above-mentioned copyright holder.
+** \legal
+** Copyright (c) 2002-2005 Robert B. Quattlebaum Jr., Adrian Bentley
**
-** 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 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 ===========================================================
**
SYNFIG_LAYER_SET_LOCAL_NAME(RadialBlur,_("Radial Blur"));
SYNFIG_LAYER_SET_CATEGORY(RadialBlur,_("Blurs"));
SYNFIG_LAYER_SET_VERSION(RadialBlur,"0.1");
-SYNFIG_LAYER_SET_CVS_ID(RadialBlur,"$Id: radialblur.cpp,v 1.1.1.1 2005/01/04 01:23:10 darco Exp $");
+SYNFIG_LAYER_SET_CVS_ID(RadialBlur,"$Id$");
/* === P R O C E D U R E S ================================================= */
IMPORT(origin);
IMPORT(size);
IMPORT(fade_out);
-
- return Layer_Composite::set_param(param,value);
+
+ return Layer_Composite::set_param(param,value);
}
ValueBase
EXPORT(origin);
EXPORT(size);
EXPORT(fade_out);
-
+
EXPORT_NAME();
EXPORT_VERSION();
-
- return Layer_Composite::get_param(param);
+
+ return Layer_Composite::get_param(param);
}
Layer::Vocab
RadialBlur::get_param_vocab()const
{
Layer::Vocab ret(Layer_Composite::get_param_vocab());
-
+
ret.push_back(ParamDesc("origin")
.set_local_name(_("Origin"))
.set_description(_("Point where you want the origin to be"))
ret.push_back(ParamDesc("fade_out")
.set_local_name(_("Fade Out"))
);
-
+
return ret;
}
{
if(cb && !cb->amount_complete(0,10000))
return false;
-
+
Surface tmp_surface;
-
+
if(!context.accelerated_render(surface,quality,renddesc,cb))
return false;
tmp_surface=*surface;
-
+
int x,y;
const Point tl(renddesc.get_tl());
apen.set_alpha(get_amount());
apen.set_blend_method(get_blend_method());
-
+
int steps(5);
-
+
if(quality>=9)steps=20;
else if(quality>=5)steps=30;
else if(quality>=4)steps=60;
else if(quality>=3)steps=100;
else steps=120;
-
+
Surface::value_prep_type cooker;
-
+
for(y=0,pos[1]=tl[1];y<h;y++,apen.inc_y(),apen.dec_x(x),pos[1]+=ph)
for(x=0,pos[0]=tl[0];x<w;x++,apen.inc_x(),pos[0]+=pw)
{
Color pool(Color::alpha());
int poolsize(0);
-
+
int x0(round_to_int(begin[0])),
y0(round_to_int(begin[1])),
x1(round_to_int(end[0])),
y1(round_to_int(end[1]));
-
+
int i;
int steep = 1;
int sx, sy; /* step positive or negative (1 or -1) */
int dx, dy; /* delta (difference in X and Y between points) */
int e;
int w(tmp_surface.get_w()),h(tmp_surface.get_h());
-
+
dx = abs(x1 - x0);
sx = ((x1 - x0) > 0) ? 1 : -1;
dy = abs(y1 - y0);
poolsize+=1;
}
}
-
+
while (e >= 0)
{
y0 += sy;
Point begin,end;
begin=pos;
end=(pos-origin)*(1.0f-size)+origin;
-
+
Color pool(Color::alpha());
float f,poolsize(0);
int i;
{
Point loc((end-begin)*f+begin-tl);
loc[0]/=pw;loc[1]/=ph;
-
+
if(fade_out)
pool+=tmp_surface.linear_sample(loc[0],loc[1])*(i-steps),poolsize+=(i-steps);
else