-/*! ========================================================================
-** Synfig
-** Template File
-** $Id: rotate.cpp,v 1.2 2005/01/24 05:00:18 darco Exp $
+/* === S Y N F I G ========================================================= */
+/*! \file rotate.cpp
+** \brief Implementation of the "Rotate" layer
**
+** $Id$
+**
+** \legal
** Copyright (c) 2002-2005 Robert B. Quattlebaum Jr., Adrian Bentley
+** Copyright (c) 2008 Chris Moore
**
** This package is free software; you can redistribute it and/or
** modify it under the terms of the GNU General Public License as
** 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_INIT(Rotate);
SYNFIG_LAYER_SET_NAME(Rotate,"rotate");
-SYNFIG_LAYER_SET_LOCAL_NAME(Rotate,_("Rotate"));
-SYNFIG_LAYER_SET_CATEGORY(Rotate,_("Transform"));
+SYNFIG_LAYER_SET_LOCAL_NAME(Rotate,N_("Rotate"));
+SYNFIG_LAYER_SET_CATEGORY(Rotate,N_("Transform"));
SYNFIG_LAYER_SET_VERSION(Rotate,"0.1");
-SYNFIG_LAYER_SET_CVS_ID(Rotate,"$Id: rotate.cpp,v 1.2 2005/01/24 05:00:18 darco Exp $");
+SYNFIG_LAYER_SET_CVS_ID(Rotate,"$Id$");
/* === P R O C E D U R E S ================================================= */
Rotate::set_param(const String & param, const ValueBase &value)
{
IMPORT(origin);
-
- if(param=="amount" && value.same_as(amount))
+
+ if(param=="amount" && value.same_type_as(amount))
{
amount=value.get(amount);
sin_val=Angle::sin(amount).get();
cos_val=Angle::cos(amount).get();
return true;
}
-
+
return false;
}
{
EXPORT(origin);
EXPORT(amount);
-
+
EXPORT_NAME();
EXPORT_VERSION();
-
- return ValueBase();
+
+ return ValueBase();
}
Layer::Vocab
Rotate::get_param_vocab()const
{
Layer::Vocab ret;
-
+
ret.push_back(ParamDesc("origin")
.set_local_name(_("Origin"))
.set_description(_("Point where you want the origin to be"))
.set_description(_("Amount of rotation"))
.set_origin("origin")
);
-
+
return ret;
}
etl::handle<const Rotate> layer;
public:
Rotate_Trans(const Rotate* x):Transform(x->get_guid()),layer(x) { }
-
+
synfig::Vector perform(const synfig::Vector& x)const
{
Point pos(x-layer->origin);
return Point(layer->cos_val*pos[0]-layer->sin_val*pos[1],layer->sin_val*pos[0]+layer->cos_val*pos[1])+layer->origin;
}
-
+
synfig::Vector unperform(const synfig::Vector& x)const
{
Point pos(x-layer->origin);
SuperCallback stageone(cb,0,9000,10000);
SuperCallback stagetwo(cb,9000,10000,10000);
-
+
if(cb && !cb->amount_complete(0,10000))
return false;
-
+
Point tl(renddesc.get_tl()-origin);
Point br(renddesc.get_br()-origin);
- Point rot_tl(cos_val*tl[0]+sin_val*tl[1],-sin_val*tl[0]+cos_val*tl[1]);
- Point rot_br(cos_val*br[0]+sin_val*br[1],-sin_val*br[0]+cos_val*br[1]);
- Point rot_tr(cos_val*br[0]+sin_val*tl[1],-sin_val*br[0]+cos_val*tl[1]);
- Point rot_bl(cos_val*tl[0]+sin_val*br[1],-sin_val*tl[0]+cos_val*br[1]);
- rot_tl+=origin;
- rot_br+=origin;
- rot_tr+=origin;
- rot_bl+=origin;
-
- Point min_point(min(min(min(rot_tl[0],rot_br[0]),rot_tr[0]),rot_bl[0]),min(min(min(rot_tl[1],rot_br[1]),rot_tr[1]),rot_bl[1]));
- Point max_point(max(max(max(rot_tl[0],rot_br[0]),rot_tr[0]),rot_bl[0]),max(max(max(rot_tl[1],rot_br[1]),rot_tr[1]),rot_bl[1]));
-
- if(tl[0]>br[0])
- {
- tl[0]=max_point[0];
- br[0]=min_point[0];
- }
- else
- {
- br[0]=max_point[0];
- tl[0]=min_point[0];
- }
- if(tl[1]>br[1])
- {
- tl[1]=max_point[1];
- br[1]=min_point[1];
- }
- else
+
{
- br[1]=max_point[1];
- tl[1]=min_point[1];
+ Point rot_tl(cos_val*tl[0]+sin_val*tl[1],-sin_val*tl[0]+cos_val*tl[1]);
+ Point rot_br(cos_val*br[0]+sin_val*br[1],-sin_val*br[0]+cos_val*br[1]);
+ Point rot_tr(cos_val*br[0]+sin_val*tl[1],-sin_val*br[0]+cos_val*tl[1]);
+ Point rot_bl(cos_val*tl[0]+sin_val*br[1],-sin_val*tl[0]+cos_val*br[1]);
+ rot_tl+=origin;
+ rot_br+=origin;
+ rot_tr+=origin;
+ rot_bl+=origin;
+
+ Point min_point(min(min(min(rot_tl[0],rot_br[0]),rot_tr[0]),rot_bl[0]),min(min(min(rot_tl[1],rot_br[1]),rot_tr[1]),rot_bl[1]));
+ Point max_point(max(max(max(rot_tl[0],rot_br[0]),rot_tr[0]),rot_bl[0]),max(max(max(rot_tl[1],rot_br[1]),rot_tr[1]),rot_bl[1]));
+
+ if(tl[0]>br[0])
+ {
+ tl[0]=max_point[0];
+ br[0]=min_point[0];
+ }
+ else
+ {
+ br[0]=max_point[0];
+ tl[0]=min_point[0];
+ }
+ if(tl[1]>br[1])
+ {
+ tl[1]=max_point[1];
+ br[1]=min_point[1];
+ }
+ else
+ {
+ br[1]=max_point[1];
+ tl[1]=min_point[1];
+ }
}
-
+
Real pw=(renddesc.get_w())/(renddesc.get_br()[0]-renddesc.get_tl()[0]);
Real ph=(renddesc.get_h())/(renddesc.get_br()[1]-renddesc.get_tl()[1]);
-
+
+ // we're going to round the canvas size to an integer number of pixels, so round the
+ // tl-br rectangle accordingly - otherwise we see the jittering described in bug 2152666
+ br[0] -= (pw*(br[0]-tl[0]) - round_to_int(pw*(br[0]-tl[0]))) / pw;
+ br[1] -= (ph*(br[1]-tl[1]) - round_to_int(ph*(br[1]-tl[1]))) / ph;
+
RendDesc desc(renddesc);
desc.clear_flags();
//desc.set_flags(RendDesc::PX_ASPECT);
//synfig::warning("given window: [%f,%f]-[%f,%f] %dx%d",renddesc.get_tl()[0],renddesc.get_tl()[1],renddesc.get_br()[0],renddesc.get_br()[1],renddesc.get_w(),renddesc.get_h());
//synfig::warning("surface to render: [%f,%f]-[%f,%f] %dx%d",desc.get_tl()[0],desc.get_tl()[1],desc.get_br()[0],desc.get_br()[1],desc.get_w(),desc.get_h());
-
+
Surface source;
source.set_wh(desc.get_w(),desc.get_h());
if(!context.accelerated_render(&source,quality,desc,&stageone))
return false;
-
+
surface->set_wh(renddesc.get_w(),renddesc.get_h());
Surface::pen pen(surface->begin());
tmp=Point(cos_val*(point[0]-origin[0])+sin_val*(point[1]-origin[1]),-sin_val*(point[0]-origin[0])+cos_val*(point[1]-origin[1])) +origin;
(*surface)[y][x]=source.cubic_sample((tmp[0]-tl[0])*pw,(tmp[1]-tl[1])*ph);
}
- if(y&31==0 && cb)
+ if((y&31)==0 && cb)
{
if(!stagetwo.amount_complete(y,surface->get_h()))
return false;
tmp=Point(cos_val*(point[0]-origin[0])+sin_val*(point[1]-origin[1]),-sin_val*(point[0]-origin[0])+cos_val*(point[1]-origin[1])) +origin;
(*surface)[y][x]=source.linear_sample((tmp[0]-tl[0])*pw,(tmp[1]-tl[1])*ph);
}
- if(y&31==0 && cb)
+ if((y&31)==0 && cb)
{
if(!stagetwo.amount_complete(y,surface->get_h()))
return false;
//pen.set_value(source[v][u]);
(*surface)[y][x]=source[v][u];
}
- if(y&31==0 && cb)
+ if((y&31)==0 && cb)
{
if(!stagetwo.amount_complete(y,surface->get_h()))
return false;
projects / synfig.git / blobdiff