1 /* === S Y N F I G ========================================================= */
3 ** \brief Template Header
6 ** Copyright (c) 2002-2005 Robert B. Quattlebaum Jr., Adrian Bentley
8 ** This package is free software; you can redistribute it and/or
9 ** modify it under the terms of the GNU General Public License as
10 ** published by the Free Software Foundation; either version 2 of
11 ** the License, or (at your option) any later version.
13 ** This package is distributed in the hope that it will be useful,
14 ** but WITHOUT ANY WARRANTY; without even the implied warranty of
15 ** MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
16 ** General Public License for more details.
19 ** === N O T E S ===========================================================
21 ** ========================================================================= */
23 /* === H E A D E R S ======================================================= */
33 #include <synfig/string.h>
34 #include <synfig/time.h>
35 #include <synfig/context.h>
36 #include <synfig/paramdesc.h>
37 #include <synfig/renddesc.h>
38 #include <synfig/surface.h>
39 #include <synfig/value.h>
40 #include <synfig/valuenode.h>
41 #include <synfig/transform.h>
46 /* === M A C R O S ========================================================= */
48 /* === G L O B A L S ======================================================= */
50 SYNFIG_LAYER_INIT(Rotate);
51 SYNFIG_LAYER_SET_NAME(Rotate,"rotate");
52 SYNFIG_LAYER_SET_LOCAL_NAME(Rotate,_("Rotate"));
53 SYNFIG_LAYER_SET_CATEGORY(Rotate,_("Transform"));
54 SYNFIG_LAYER_SET_VERSION(Rotate,"0.1");
55 SYNFIG_LAYER_SET_CVS_ID(Rotate,"$Id$");
57 /* === P R O C E D U R E S ================================================= */
59 /* === M E T H O D S ======================================================= */
61 /* === E N T R Y P O I N T ================================================= */
65 amount (Angle::deg(0)),
76 Rotate::set_param(const String & param, const ValueBase &value)
80 if(param=="amount" && value.same_as(amount))
82 amount=value.get(amount);
83 sin_val=Angle::sin(amount).get();
84 cos_val=Angle::cos(amount).get();
92 Rotate::get_param(const String ¶m)const
104 Rotate::get_param_vocab()const
108 ret.push_back(ParamDesc("origin")
109 .set_local_name(_("Origin"))
110 .set_description(_("Point where you want the origin to be"))
113 ret.push_back(ParamDesc("amount")
114 .set_local_name(_("Amount"))
115 .set_description(_("Amount of rotation"))
116 .set_origin("origin")
122 class Rotate_Trans : public Transform
124 etl::handle<const Rotate> layer;
126 Rotate_Trans(const Rotate* x):Transform(x->get_guid()),layer(x) { }
128 synfig::Vector perform(const synfig::Vector& x)const
130 Point pos(x-layer->origin);
131 return Point(layer->cos_val*pos[0]-layer->sin_val*pos[1],layer->sin_val*pos[0]+layer->cos_val*pos[1])+layer->origin;
134 synfig::Vector unperform(const synfig::Vector& x)const
136 Point pos(x-layer->origin);
137 return Point(layer->cos_val*pos[0]+layer->sin_val*pos[1],-layer->sin_val*pos[0]+layer->cos_val*pos[1])+layer->origin;
140 etl::handle<Transform>
141 Rotate::get_transform()const
143 return new Rotate_Trans(this);
146 synfig::Layer::Handle
147 Rotate::hit_check(synfig::Context context, const synfig::Point &p)const
150 Point newpos(cos_val*pos[0]+sin_val*pos[1],-sin_val*pos[0]+cos_val*pos[1]);
152 return context.hit_check(newpos);
156 Rotate::get_color(Context context, const Point &p)const
159 Point newpos(cos_val*pos[0]+sin_val*pos[1],-sin_val*pos[0]+cos_val*pos[1]);
161 return context.get_color(newpos);
165 Rotate::accelerated_render(Context context,Surface *surface,int quality, const RendDesc &renddesc, ProgressCallback *cb)const
167 if(amount.dist(Angle::deg(0))==Angle::deg(0))
168 return context.accelerated_render(surface,quality,renddesc,cb);
169 if(amount.dist(Angle::deg(180))==Angle::deg(0))
171 RendDesc desc(renddesc);
174 tmp=renddesc.get_tl()-origin;
175 desc.set_tl(Point(-tmp[0],-tmp[1])+origin);
176 tmp=renddesc.get_br()-origin;
177 desc.set_br(Point(-tmp[0],-tmp[1])+origin);
178 return context.accelerated_render(surface,quality,desc,cb);
181 SuperCallback stageone(cb,0,9000,10000);
182 SuperCallback stagetwo(cb,9000,10000,10000);
184 if(cb && !cb->amount_complete(0,10000))
187 Point tl(renddesc.get_tl()-origin);
188 Point br(renddesc.get_br()-origin);
189 Point rot_tl(cos_val*tl[0]+sin_val*tl[1],-sin_val*tl[0]+cos_val*tl[1]);
190 Point rot_br(cos_val*br[0]+sin_val*br[1],-sin_val*br[0]+cos_val*br[1]);
191 Point rot_tr(cos_val*br[0]+sin_val*tl[1],-sin_val*br[0]+cos_val*tl[1]);
192 Point rot_bl(cos_val*tl[0]+sin_val*br[1],-sin_val*tl[0]+cos_val*br[1]);
198 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]));
199 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]));
222 Real pw=(renddesc.get_w())/(renddesc.get_br()[0]-renddesc.get_tl()[0]);
223 Real ph=(renddesc.get_h())/(renddesc.get_br()[1]-renddesc.get_tl()[1]);
225 RendDesc desc(renddesc);
227 //desc.set_flags(RendDesc::PX_ASPECT);
230 desc.set_wh(round_to_int(pw*(br[0]-tl[0])),round_to_int(ph*(br[1]-tl[1])));
232 //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());
233 //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());
236 source.set_wh(desc.get_w(),desc.get_h());
238 if(!context.accelerated_render(&source,quality,desc,&stageone))
241 surface->set_wh(renddesc.get_w(),renddesc.get_h());
243 Surface::pen pen(surface->begin());
248 int x,y;//,u,v,u2,v2;
250 for(y=0,point[1]=renddesc.get_tl()[1];y<surface->get_h();y++,pen.inc_y(),pen.dec_x(x),point[1]+=1.0/ph)
252 for(x=0,point[0]=renddesc.get_tl()[0];x<surface->get_w();x++,pen.inc_x(),point[0]+=1.0/pw)
254 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;
255 (*surface)[y][x]=source.cubic_sample((tmp[0]-tl[0])*pw,(tmp[1]-tl[1])*ph);
259 if(!stagetwo.amount_complete(y,surface->get_h()))
267 // INTERPOLATION_LINEAR
268 int x,y;//,u,v,u2,v2;
270 for(y=0,point[1]=renddesc.get_tl()[1];y<surface->get_h();y++,pen.inc_y(),pen.dec_x(x),point[1]+=1.0/ph)
272 for(x=0,point[0]=renddesc.get_tl()[0];x<surface->get_w();x++,pen.inc_x(),point[0]+=1.0/pw)
274 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;
275 (*surface)[y][x]=source.linear_sample((tmp[0]-tl[0])*pw,(tmp[1]-tl[1])*ph);
279 if(!stagetwo.amount_complete(y,surface->get_h()))
289 for(y=0,point[1]=renddesc.get_tl()[1];y<surface->get_h();y++,pen.inc_y(),pen.dec_x(x),point[1]+=1.0/ph)
291 for(x=0,point[0]=renddesc.get_tl()[0];x<surface->get_w();x++,pen.inc_x(),point[0]+=1.0/pw)
293 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;
294 u=int((tmp[0]-tl[0])*pw);
295 v=int((tmp[1]-tl[1])*ph);
300 if(u>=source.get_w())
302 if(v>=source.get_h())
304 //pen.set_value(source[v][u]);
305 (*surface)[y][x]=source[v][u];
309 if(!stagetwo.amount_complete(y,surface->get_h()))
315 if(cb && !cb->amount_complete(10000,10000)) return false;
321 Rotate::get_full_bounding_rect(Context context)const
323 Rect under(context.get_full_bounding_rect());
324 return get_transform()->perform(under);