+++ /dev/null
-/* === 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
-** 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 ===========================================================
-**
-** ========================================================================= */
-
-/* === H E A D E R S ======================================================= */
-
-#ifdef USING_PCH
-# include "pch.h"
-#else
-#ifdef HAVE_CONFIG_H
-# include <config.h>
-#endif
-
-#include "rotate.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/transform.h>
-#include <ETL/misc>
-
-#endif
-
-/* === M A C R O S ========================================================= */
-
-/* === G L O B A L S ======================================================= */
-
-SYNFIG_LAYER_INIT(Rotate);
-SYNFIG_LAYER_SET_NAME(Rotate,"rotate");
-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,"$Id$");
-
-/* === P R O C E D U R E S ================================================= */
-
-/* === M E T H O D S ======================================================= */
-
-/* === E N T R Y P O I N T ================================================= */
-
-Rotate::Rotate():
- origin (0,0),
- amount (Angle::deg(0)),
- sin_val (0),
- cos_val (1)
-{
-}
-
-Rotate::~Rotate()
-{
-}
-
-bool
-Rotate::set_param(const String & param, const ValueBase &value)
-{
- IMPORT(origin);
-
- 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;
-}
-
-ValueBase
-Rotate::get_param(const String ¶m)const
-{
- EXPORT(origin);
- EXPORT(amount);
-
- EXPORT_NAME();
- EXPORT_VERSION();
-
- 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"))
- );
-
- ret.push_back(ParamDesc("amount")
- .set_local_name(_("Amount"))
- .set_description(_("Amount of rotation"))
- .set_origin("origin")
- );
-
- return ret;
-}
-
-class Rotate_Trans : public Transform
-{
- 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);
- return Point(layer->cos_val*pos[0]+layer->sin_val*pos[1],-layer->sin_val*pos[0]+layer->cos_val*pos[1])+layer->origin;
- }
-};
-etl::handle<Transform>
-Rotate::get_transform()const
-{
- return new Rotate_Trans(this);
-}
-
-synfig::Layer::Handle
-Rotate::hit_check(synfig::Context context, const synfig::Point &p)const
-{
- Point pos(p-origin);
- Point newpos(cos_val*pos[0]+sin_val*pos[1],-sin_val*pos[0]+cos_val*pos[1]);
- newpos+=origin;
- return context.hit_check(newpos);
-}
-
-Color
-Rotate::get_color(Context context, const Point &p)const
-{
- Point pos(p-origin);
- Point newpos(cos_val*pos[0]+sin_val*pos[1],-sin_val*pos[0]+cos_val*pos[1]);
- newpos+=origin;
- return context.get_color(newpos);
-}
-
-bool
-Rotate::accelerated_render(Context context,Surface *surface,int quality, const RendDesc &renddesc, ProgressCallback *cb)const
-{
- if(amount.dist(Angle::deg(0))==Angle::deg(0))
- return context.accelerated_render(surface,quality,renddesc,cb);
- if(amount.dist(Angle::deg(180))==Angle::deg(0))
- {
- RendDesc desc(renddesc);
- desc.clear_flags();
- Point tmp;
- tmp=renddesc.get_tl()-origin;
- desc.set_tl(Point(-tmp[0],-tmp[1])+origin);
- tmp=renddesc.get_br()-origin;
- desc.set_br(Point(-tmp[0],-tmp[1])+origin);
- return context.accelerated_render(surface,quality,desc,cb);
- }
-
- 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];
- }
- }
-
- 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);
- desc.set_tl(tl);
- desc.set_br(br);
- desc.set_wh(round_to_int(pw*(br[0]-tl[0])),round_to_int(ph*(br[1]-tl[1])));
-
- //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());
-
- if(quality<=4)
- {
- // CUBIC
- int x,y;//,u,v,u2,v2;
- Point point,tmp;
- 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)
- {
- for(x=0,point[0]=renddesc.get_tl()[0];x<surface->get_w();x++,pen.inc_x(),point[0]+=1.0/pw)
- {
- 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(!stagetwo.amount_complete(y,surface->get_h()))
- return false;
- }
- }
- }
- else
- if(quality<=6)
- {
- // INTERPOLATION_LINEAR
- int x,y;//,u,v,u2,v2;
- Point point,tmp;
- 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)
- {
- for(x=0,point[0]=renddesc.get_tl()[0];x<surface->get_w();x++,pen.inc_x(),point[0]+=1.0/pw)
- {
- 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(!stagetwo.amount_complete(y,surface->get_h()))
- return false;
- }
- }
- }
- else
- {
- // NEAREST_NEIGHBOR
- int x,y,u,v;
- Point point,tmp;
- 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)
- {
- for(x=0,point[0]=renddesc.get_tl()[0];x<surface->get_w();x++,pen.inc_x(),point[0]+=1.0/pw)
- {
- 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;
- u=int((tmp[0]-tl[0])*pw);
- v=int((tmp[1]-tl[1])*ph);
- if(u<0)
- u=0;
- if(v<0)
- v=0;
- if(u>=source.get_w())
- u=source.get_w()-1;
- if(v>=source.get_h())
- v=source.get_h()-1;
- //pen.set_value(source[v][u]);
- (*surface)[y][x]=source[v][u];
- }
- if((y&31)==0 && cb)
- {
- if(!stagetwo.amount_complete(y,surface->get_h()))
- return false;
- }
- }
- }
-
- if(cb && !cb->amount_complete(10000,10000)) return false;
-
- return true;
-}
-
-Rect
-Rotate::get_full_bounding_rect(Context context)const
-{
- Rect under(context.get_full_bounding_rect());
- return get_transform()->perform(under);
-}
-
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