--- /dev/null
+/* === S Y N F I G ========================================================= */
+/*! \file bline.cpp
+** \brief Template
+**
+** $Id: outline.cpp,v 1.1.1.1 2005/01/04 01:23:10 darco Exp $
+**
+** \legal
+** Copyright (c) 2002-2005 Robert B. Quattlebaum Jr., Adrian Bentley
+**
+** 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
+*/
+/* ========================================================================= */
+
+//! \note This whole file should be rewritten at some point (darco)
+
+/* === H E A D E R S ======================================================= */
+
+#ifdef USING_PCH
+# include "pch.h"
+#else
+#ifdef HAVE_CONFIG_H
+# include <config.h>
+#endif
+
+#include "outline.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 <ETL/calculus>
+#include <ETL/bezier>
+#include <ETL/hermite>
+#include <vector>
+
+#include <synfig/valuenode_bline.h>
+
+#endif
+
+using namespace etl;
+
+/* === M A C R O S ========================================================= */
+
+#define SAMPLES 50
+#define ROUND_END_FACTOR (4)
+#define CUSP_THRESHOLD (0.40)
+#define SPIKE_AMOUNT (4)
+#define NO_LOOP_COOKIE synfig::Vector(84951305,7836658)
+#define EPSILON (0.000000001)
+#define CUSP_TANGENT_ADJUST (0.025)
+
+/* === G L O B A L S ======================================================= */
+
+SYNFIG_LAYER_INIT(Outline);
+SYNFIG_LAYER_SET_NAME(Outline,"outline");
+SYNFIG_LAYER_SET_LOCAL_NAME(Outline,_("Outline"));
+SYNFIG_LAYER_SET_CATEGORY(Outline,_("Geometry"));
+SYNFIG_LAYER_SET_VERSION(Outline,"0.2");
+SYNFIG_LAYER_SET_CVS_ID(Outline,"$Id: outline.cpp,v 1.1.1.1 2005/01/04 01:23:10 darco Exp $");
+
+/* === P R O C E D U R E S ================================================= */
+
+// This function was adapted from what was
+// described on http://www.whisqu.se/per/docs/math28.htm
+Point line_intersection(
+ const Point& p1,
+ const Vector& t1,
+ const Point& p2,
+ const Vector& t2
+)
+{
+ const float& x0(p1[0]);
+ const float& y0(p1[1]);
+
+ const float x1(p1[0]+t1[0]);
+ const float y1(p1[1]+t1[1]);
+
+ const float& x2(p2[0]);
+ const float& y2(p2[1]);
+
+ const float x3(p2[0]+t2[0]);
+ const float y3(p2[1]+t2[1]);
+
+ const float near_infinity((float)1e+10);
+
+ float m1,m2; // the slopes of each line
+
+ // compute slopes, note the cludge for infinity, however, this will
+ // be close enough
+
+ if ((x1-x0)!=0)
+ m1 = (y1-y0)/(x1-x0);
+ else
+ m1 = near_infinity;
+
+ if ((x3-x2)!=0)
+ m2 = (y3-y2)/(x3-x2);
+ else
+ m2 = near_infinity;
+
+ // compute constants
+ const float& a1(m1);
+ const float& a2(m2);
+ const float b1(-1.0f);
+ const float b2(-1.0f);
+ const float c1(y0-m1*x0);
+ const float c2(y2-m2*x2);
+
+ // compute the inverse of the determinate
+ const float det_inv(1.0f/(a1*b2 - a2*b1));
+
+ // use Kramers rule to compute the intersection
+ return Point(
+ ((b1*c2 - b2*c1)*det_inv),
+ ((a2*c1 - a1*c2)*det_inv)
+ );
+} // end Intersect_Lines
+
+/* === M E T H O D S ======================================================= */
+
+
+Outline::Outline()
+{
+ old_version=false;
+ round_tip[0]=true;
+ round_tip[1]=true;
+ sharp_cusps=true;
+ width=1.0f;
+ loopyness=1.0f;
+ expand=0;
+ homogeneous_width=true;
+ clear();
+
+ vector<BLinePoint> bline_point_list;
+ bline_point_list.push_back(BLinePoint());
+ bline_point_list.push_back(BLinePoint());
+ bline_point_list.push_back(BLinePoint());
+ bline_point_list[0].set_vertex(Point(0,1));
+ bline_point_list[1].set_vertex(Point(0,-1));
+ bline_point_list[2].set_vertex(Point(1,0));
+ bline_point_list[0].set_tangent(bline_point_list[1].get_vertex()-bline_point_list[2].get_vertex()*0.5f);
+ bline_point_list[1].set_tangent(bline_point_list[2].get_vertex()-bline_point_list[0].get_vertex()*0.5f);
+ bline_point_list[2].set_tangent(bline_point_list[0].get_vertex()-bline_point_list[1].get_vertex()*0.5f);
+ bline_point_list[0].set_width(1.0f);
+ bline_point_list[1].set_width(1.0f);
+ bline_point_list[2].set_width(1.0f);
+ bline=bline_point_list;
+
+ needs_sync=true;
+}
+
+
+/*! The Sync() function takes the values
+** and creates a polygon to be rendered
+** with the polygon layer.
+*/
+void
+Outline::sync()
+{
+ clear();
+ try {
+#if 1
+
+ const bool loop(bline.get_loop());
+ const vector<synfig::BLinePoint> bline_(bline.get_list().begin(),bline.get_list().end());
+#define bline bline_
+
+ vector<BLinePoint>::const_iterator
+ iter,
+ next(bline.begin());
+
+ const vector<BLinePoint>::const_iterator
+ end(bline.end());
+
+ vector<Point>
+ side_a,
+ side_b;
+
+ if(loop)
+ iter=--bline.end();
+ else
+ iter=next++;
+
+ Vector last_tangent=iter->get_tangent1();
+
+ for(bool first=!loop;next!=end;iter=next++,first=false)
+ {
+ Vector prev_t(iter->get_tangent1());
+ Vector iter_t(iter->get_tangent2());
+ Vector next_t(next->get_tangent1());
+
+ bool split_flag(iter->get_split_tangent_flag());
+
+ if(iter_t.is_equal_to(Vector::zero()) && next_t.is_equal_to(Vector::zero()))
+ {
+ iter_t=next_t=next->get_vertex()-iter->get_vertex();
+ split_flag=true;
+ }
+
+ // Setup the curve
+ hermite<Vector> curve(
+ iter->get_vertex(),
+ next->get_vertex(),
+ iter_t,
+ next_t
+ );
+
+ const float
+ iter_w((iter->get_width()*width)*0.5f+expand),
+ next_w((next->get_width()*width)*0.5f+expand);
+
+ const derivative< hermite<Vector> > deriv(curve);
+
+ // Make cusps as necessary
+ if(!first && sharp_cusps && split_flag && (!prev_t.is_equal_to(iter_t) || iter_t.is_equal_to(Vector::zero())) && !last_tangent.is_equal_to(Vector::zero()))
+ {
+ Vector curr_tangent(deriv(CUSP_TANGENT_ADJUST));
+
+ const Vector t1(last_tangent.perp().norm());
+ const Vector t2(curr_tangent.perp().norm());
+
+ Real cross(t1*t2.perp());
+ Real perp((t1-t2).mag());
+ if(cross>CUSP_THRESHOLD)
+ {
+ const Point p1(iter->get_vertex()+t1*iter_w);
+ const Point p2(iter->get_vertex()+t2*iter_w);
+
+ side_a.push_back(line_intersection(p1,last_tangent,p2,curr_tangent));
+ }
+ else if(cross<-CUSP_THRESHOLD)
+ {
+ const Point p1(iter->get_vertex()-t1*iter_w);
+ const Point p2(iter->get_vertex()-t2*iter_w);
+
+ side_b.push_back(line_intersection(p1,last_tangent,p2,curr_tangent));
+ }
+ else if(cross>0 && perp>1)
+ {
+ float amount(max(0.0f,(float)(cross/CUSP_THRESHOLD))*(SPIKE_AMOUNT-1)+1);
+
+ side_a.push_back(iter->get_vertex()+(t1+t2).norm()*iter_w*amount);
+ }
+ else if(cross<0 && perp>1)
+ {
+ float amount(max(0.0f,(float)(-cross/CUSP_THRESHOLD))*(SPIKE_AMOUNT-1)+1);
+
+ side_b.push_back(iter->get_vertex()-(t1+t2).norm()*iter_w*amount);
+ }
+ }
+
+ // Make the outline
+ if(homogeneous_width)
+ {
+ const float length(curve.length());
+ float dist(0);
+ Point lastpoint;
+ for(float n=0.0f;n<1.0f;n+=1.0f/SAMPLES)
+ {
+ const Vector d(deriv(n>CUSP_TANGENT_ADJUST?n:CUSP_TANGENT_ADJUST).perp().norm());
+ const Vector p(curve(n));
+
+ if(n)
+ dist+=(p-lastpoint).mag();
+
+ const float w(((next_w-iter_w)*(dist/length)+iter_w));
+
+ side_a.push_back(p+d*w);
+ side_b.push_back(p-d*w);
+
+ lastpoint=p;
+ }
+ }
+ else
+ for(float n=0.0f;n<1.0f;n+=1.0f/SAMPLES)
+ {
+ const Vector d(deriv(n>CUSP_TANGENT_ADJUST?n:CUSP_TANGENT_ADJUST).perp().norm());
+ const Vector p(curve(n));
+ const float w(((next_w-iter_w)*n+iter_w));
+
+ side_a.push_back(p+d*w);
+ side_b.push_back(p-d*w);
+ }
+ last_tangent=deriv(1.0-CUSP_TANGENT_ADJUST);
+ side_a.push_back(curve(1.0)+last_tangent.perp().norm()*next_w);
+ side_b.push_back(curve(1.0)-last_tangent.perp().norm()*next_w);
+ }
+
+ if(loop)
+ {
+ reverse(side_b.begin(),side_b.end());
+ add_polygon(side_a);
+ add_polygon(side_b);
+ return;
+ }
+
+ // Insert code for adding end tip
+ if(round_tip[1] && !loop)
+ {
+ // remove the last point
+ side_a.pop_back();
+
+ const Point vertex(bline.back().get_vertex());
+ const Vector tangent(last_tangent.norm());
+ const float w((bline.back().get_width()*width)*0.5f+expand);
+
+ hermite<Vector> curve(
+ vertex+tangent.perp()*w,
+ vertex-tangent.perp()*w,
+ tangent*w*ROUND_END_FACTOR,
+ -tangent*w*ROUND_END_FACTOR
+ );
+
+ for(float n=0.0f;n<1.0f;n+=1.0f/SAMPLES)
+ side_a.push_back(curve(n));
+
+ // remove the last point
+ side_a.pop_back();
+ }
+
+ for(;!side_b.empty();side_b.pop_back())
+ side_a.push_back(side_b.back());
+
+ // Insert code for adding begin tip
+ if(round_tip[0] && !loop)
+ {
+ // remove the last point
+ side_a.pop_back();
+
+ const Point vertex(bline.front().get_vertex());
+ const Vector tangent(bline.front().get_tangent2().norm());
+ const float w((bline.front().get_width()*width)*0.5f+expand);
+
+ hermite<Vector> curve(
+ vertex-tangent.perp()*w,
+ vertex+tangent.perp()*w,
+ -tangent*w*ROUND_END_FACTOR,
+ tangent*w*ROUND_END_FACTOR
+ );
+
+ for(float n=0.0f;n<1.0f;n+=1.0f/SAMPLES)
+ side_a.push_back(curve(n));
+
+ // remove the last point
+ side_a.pop_back();
+ }
+
+ add_polygon(side_a);
+
+
+#else
+
+ bool loop_;
+ if(bline.get_contained_type()==ValueBase::TYPE_BLINEPOINT)
+ {
+ ValueBase value(bline);
+
+ if(loopyness<0.5f)
+ {
+ value.set_loop(false);
+ loop_=false;
+ }
+ else
+ loop_=value.get_loop();
+
+ segment_list=convert_bline_to_segment_list(value);
+ width_list=convert_bline_to_width_list(value);
+ }
+ else
+ {
+ clear();
+ return;
+ }
+
+
+
+ if(segment_list.empty())
+ {
+ synfig::warning("Outline: segment_list is empty, layer disabled");
+ clear();
+ return;
+ }
+
+
+ // Repair the width list if we need to
+ {
+ Real default_width;
+ if(width_list.empty())
+ default_width=0.01;
+ else
+ default_width=width_list.back();
+
+ while(width_list.size()<segment_list.size()+1)
+ width_list.push_back(default_width);
+ while(width_list.size()>segment_list.size()+1)
+ width_list.pop_back();
+
+ }
+
+ // Repair the zero tangents (if any)
+ {
+ vector<Segment>::iterator iter;
+ for(iter=segment_list.begin();iter!=segment_list.end();++iter)
+ {
+ if(iter->t1.mag_squared()<=EPSILON && iter->t2.mag_squared()<=EPSILON)
+ iter->t1=iter->t2=iter->p2-iter->p1;
+ }
+ }
+
+ vector<Real>::iterator iter;
+ vector<Real> scaled_width_list;
+ for(iter=width_list.begin();iter!=width_list.end();++iter)
+ {
+ scaled_width_list.push_back((*iter*width+expand)*0.5f);
+ }
+
+ Vector::value_type n;
+ etl::hermite<Vector> curve;
+ vector<Point> vector_list;
+ Vector last_tangent(segment_list.back().t2);
+ clear();
+
+ if(!loop_)
+ last_tangent=NO_LOOP_COOKIE;
+
+ {
+ vector<Segment>::iterator iter;
+ vector<Real>::iterator witer;
+ for(
+ iter=segment_list.begin(),
+ witer=scaled_width_list.begin();
+ iter!=segment_list.end();
+ ++iter,++witer)
+ {
+ if(iter->t1.mag_squared()<=EPSILON && iter->t2.mag_squared()<=EPSILON)
+ {
+ vector_list.push_back(iter->p1-(iter->p2-iter->p1).perp().norm()*witer[0]);
+ vector_list.push_back((iter->p2-iter->p1)*0.05+iter->p1-(iter->p2-iter->p1).perp().norm()*((witer[1]-witer[0])*0.05+witer[0]));
+ vector_list.push_back((iter->p2-iter->p1)*0.95+iter->p1-(iter->p2-iter->p1).perp().norm()*((witer[1]-witer[0])*0.95+witer[0]));
+ vector_list.push_back(iter->p2-(iter->p2-iter->p1).perp().norm()*witer[1]);
+ }
+ else
+ {
+ curve.p1()=iter->p1;
+ curve.t1()=iter->t1;
+ curve.p2()=iter->p2;
+ curve.t2()=iter->t2;
+ curve.sync();
+
+ etl::derivative<etl::hermite<Vector> > deriv(curve);
+
+ // without this if statement, the broken tangents would
+ // have boxed edges
+ if(sharp_cusps && last_tangent!=NO_LOOP_COOKIE && !last_tangent.is_equal_to(iter->t1))
+ {
+ //Vector curr_tangent(iter->t1);
+ Vector curr_tangent(deriv(CUSP_TANGENT_ADJUST));
+
+ const Vector t1(last_tangent.perp().norm());
+ const Vector t2(curr_tangent.perp().norm());
+
+ Point p1(iter->p1+t1*witer[0]);
+ Point p2(iter->p1+t2*witer[0]);
+
+ Real cross(t1*t2.perp());
+
+ if(cross>CUSP_THRESHOLD)
+ vector_list.push_back(line_intersection(p1,last_tangent,p2,curr_tangent));
+ else if(cross>0)
+ {
+ float amount(max(0.0f,(float)(cross/CUSP_THRESHOLD))*(SPIKE_AMOUNT-1)+1);
+ // Push back something to make it look vaguely round;
+ //vector_list.push_back(iter->p1+(t1*1.25+t2).norm()*witer[0]*amount);
+ vector_list.push_back(iter->p1+(t1+t2).norm()*witer[0]*amount);
+ //vector_list.push_back(iter->p1+(t1+t2*1.25).norm()*witer[0]*amount);
+ }
+ }
+ //last_tangent=iter->t2;
+ last_tangent=deriv(1.0f-CUSP_TANGENT_ADJUST);
+
+ for(n=0.0f;n<1.0f;n+=1.0f/SAMPLES)
+ vector_list.push_back(curve(n)+deriv(n>CUSP_TANGENT_ADJUST?n:CUSP_TANGENT_ADJUST).perp().norm()*((witer[1]-witer[0])*n+witer[0]) );
+ vector_list.push_back(curve(1.0)+deriv(1.0-CUSP_TANGENT_ADJUST).perp().norm()*witer[1]);
+
+ }
+ }
+ if(round_tip[1] && !loop_/* && (!sharp_cusps || segment_list.front().p1!=segment_list.back().p2)*/)
+ {
+ // remove the last point
+ vector_list.pop_back();
+
+ iter--;
+
+ curve.p1()=iter->p2+Vector(last_tangent[1],-last_tangent[0]).norm()*(*witer);
+ curve.p2()=iter->p2-(Vector(last_tangent[1],-last_tangent[0]).norm()*(*witer));
+ curve.t2()=-(curve.t1()=last_tangent/last_tangent.mag()*(*witer)*ROUND_END_FACTOR);
+ curve.sync();
+ for(n=0.0f;n<1.0f;n+=1.0f/SAMPLES)
+ vector_list.push_back(curve(n));
+
+ // remove the last point
+ vector_list.pop_back();
+ }
+ }
+
+ if(!loop_)
+ last_tangent=NO_LOOP_COOKIE;
+ else
+ {
+ add_polygon(vector_list);
+ vector_list.clear();
+ last_tangent=segment_list.front().t1;
+ }
+
+ //else
+ // last_tangent=segment_list.back().t2;
+
+ {
+ vector<Segment>::reverse_iterator iter;
+ vector<Real>::reverse_iterator witer;
+ for(
+ iter=segment_list.rbegin(),
+ witer=scaled_width_list.rbegin(),++witer;
+ !(iter==segment_list.rend());
+ ++iter,++witer)
+ {
+
+ if(iter->t1.mag_squared()<=EPSILON && iter->t2.mag_squared()<=EPSILON)
+ {
+ vector_list.push_back(iter->p2+(iter->p2-iter->p1).perp().norm()*witer[0]);
+ vector_list.push_back((iter->p2-iter->p1)*0.95+iter->p1+(iter->p2-iter->p1).perp().norm()*((witer[-1]-witer[0])*0.95+witer[0]));
+ vector_list.push_back((iter->p2-iter->p1)*0.05+iter->p1+(iter->p2-iter->p1).perp().norm()*((witer[-1]-witer[0])*0.05+witer[0]));
+ vector_list.push_back(iter->p1+(iter->p2-iter->p1).perp().norm()*witer[-1]);
+ }
+ else
+ {
+ curve.p1()=iter->p1;
+ curve.t1()=iter->t1;
+ curve.p2()=iter->p2;
+ curve.t2()=iter->t2;
+ curve.sync();
+
+ etl::derivative<etl::hermite<Vector> > deriv(curve);
+
+ // without this if statement, the broken tangents would
+ // have boxed edges
+ if(sharp_cusps && last_tangent!=NO_LOOP_COOKIE && !last_tangent.is_equal_to(iter->t2))
+ {
+ //Vector curr_tangent(iter->t2);
+ Vector curr_tangent(deriv(1.0f-CUSP_TANGENT_ADJUST));
+
+ const Vector t1(last_tangent.perp().norm());
+ const Vector t2(curr_tangent.perp().norm());
+
+ Point p1(iter->p2-t1*witer[-1]);
+ Point p2(iter->p2-t2*witer[-1]);
+
+ Real cross(t1*t2.perp());
+
+ //if(last_tangent.perp().norm()*curr_tangent.norm()<-CUSP_THRESHOLD)
+ if(cross>CUSP_THRESHOLD)
+ vector_list.push_back(line_intersection(p1,last_tangent,p2,curr_tangent));
+ else if(cross>0)
+ {
+ float amount(max(0.0f,(float)(cross/CUSP_THRESHOLD))*(SPIKE_AMOUNT-1)+1);
+ // Push back something to make it look vaguely round;
+ //vector_list.push_back(iter->p2-(t1*1.25+t2).norm()*witer[-1]*amount);
+ vector_list.push_back(iter->p2-(t1+t2).norm()*witer[-1]*amount);
+ //vector_list.push_back(iter->p2-(t1+t2*1.25).norm()*witer[-1]*amount);
+ }
+ }
+ //last_tangent=iter->t1;
+ last_tangent=deriv(CUSP_TANGENT_ADJUST);
+
+ for(n=1.0f;n>CUSP_TANGENT_ADJUST;n-=1.0f/SAMPLES)
+ vector_list.push_back(curve(n)-deriv(1-n>CUSP_TANGENT_ADJUST?n:1-CUSP_TANGENT_ADJUST).perp().norm()*((witer[-1]-witer[0])*n+witer[0]) );
+ vector_list.push_back(curve(0.0f)-deriv(CUSP_TANGENT_ADJUST).perp().norm()*witer[0]);
+ }
+ }
+ if(round_tip[0] && !loop_/* && (!sharp_cusps || segment_list.front().p1!=segment_list.back().p2)*/)
+ {
+ // remove the last point
+ vector_list.pop_back();
+ iter--;
+ witer--;
+
+ curve.p1()=iter->p1+Vector(last_tangent[1],-last_tangent[0]).norm()*(*witer);
+ curve.p2()=iter->p1-(Vector(last_tangent[1],-last_tangent[0]).norm()*(*witer));
+ curve.t1()=-(curve.t2()=last_tangent/last_tangent.mag()*(*witer)*ROUND_END_FACTOR);
+ curve.sync();
+
+ for(n=1.0;n>0.0;n-=1.0/SAMPLES)
+ vector_list.push_back(curve(n));
+
+ // remove the last point
+ vector_list.pop_back();
+ }
+ }
+
+ //if(loop_)
+ // reverse(vector_list.begin(),vector_list.end());
+
+#ifdef _DEBUG
+ {
+ vector<Point>::iterator iter;
+ for(iter=vector_list.begin();iter!=vector_list.end();++iter)
+ if(!iter->is_valid())
+ {
+ synfig::error("Outline::sync(): Bad point in vector_list!");
+ }
+ //synfig::info("BLEHH__________--- x:%f, y:%f",vector_list.front()[0],vector_list.front()[1]);
+ }
+#endif
+
+ add_polygon(vector_list);
+
+
+#endif
+ } catch (...) { synfig::error("Outline::sync(): Exception thrown"); throw; }
+}
+
+#undef bline
+
+bool
+Outline::set_param(const String & param, const ValueBase &value)
+{
+ if(param=="segment_list")
+ {
+ if(dynamic_param_list().count("segment_list"))
+ {
+ connect_dynamic_param("bline",dynamic_param_list().find("segment_list")->second);
+ disconnect_dynamic_param("segment_list");
+ synfig::warning("Outline::set_param(): Updated valuenode connection to use the new \"bline\" parameter.");
+ }
+ else
+ synfig::warning("Outline::set_param(): The parameter \"segment_list\" is deprecated. Use \"bline\" instead.");
+ }
+
+ if( (param=="segment_list" || param=="bline") && value.get_type()==ValueBase::TYPE_LIST)
+ {
+ //if(value.get_contained_type()!=ValueBase::TYPE_BLINEPOINT)
+ // return false;
+
+ bline=value;
+
+ return true;
+ }
+ /*
+ if( param=="seg" && value.get_type()==ValueBase::TYPE_SEGMENT)
+ {
+ if(!segment_list.empty())
+ segment_list.clear();
+
+ segment_list.push_back(value.get(Segment()));
+ loop_=false;
+ //sync();
+ return true;
+ }
+ if( param=="w[0]" && value.get_type()==ValueBase::TYPE_REAL)
+ {
+ if(width_list.size()<2)
+ {
+ width_list.push_back(value.get(Real()));
+ width_list.push_back(value.get(Real()));
+ }
+ else
+ {
+ width_list[0]=value.get(Real());
+ }
+ width=1;
+ //sync();
+ return true;
+ }
+
+ if( param=="w[1]" && value.get_type()==ValueBase::TYPE_REAL)
+ {
+ if(width_list.size()<2)
+ {
+ width_list.push_back(value.get(Real()));
+ width_list.push_back(value.get(Real()));
+ }
+ else
+ {
+ width_list[1]=value.get(Real());
+ }
+ width=1;
+ //sync();
+ return true;
+ }
+
+ if( param=="width_list" && value.same_as(width_list))
+ {
+ width_list=value;
+ //sync();
+ return true;
+ }
+ */
+
+ IMPORT(round_tip[0]);
+ IMPORT(round_tip[1]);
+ IMPORT(sharp_cusps);
+ IMPORT_PLUS(width,if(old_version){width*=2.0;});
+ IMPORT(loopyness);
+ IMPORT(expand);
+ IMPORT(homogeneous_width);
+
+ if(param!="vector_list")
+ return Layer_Polygon::set_param(param,value);
+
+ return false;
+}
+
+void
+Outline::set_time(Context context, Time time)const
+{
+ const_cast<Outline*>(this)->sync();
+ context.set_time(time);
+}
+
+void
+Outline::set_time(Context context, Time time, Vector pos)const
+{
+ const_cast<Outline*>(this)->sync();
+ context.set_time(time,pos);
+}
+
+ValueBase
+Outline::get_param(const String& param)const
+{
+ EXPORT(bline);
+ EXPORT(expand);
+ //EXPORT(width_list);
+ //EXPORT(segment_list);
+ EXPORT(homogeneous_width);
+ EXPORT(round_tip[0]);
+ EXPORT(round_tip[1]);
+ EXPORT(sharp_cusps);
+ EXPORT(width);
+ EXPORT(loopyness);
+
+ EXPORT_NAME();
+ EXPORT_VERSION();
+
+ if(param!="vector_list")
+ return Layer_Polygon::get_param(param);
+ return ValueBase();
+}
+
+Layer::Vocab
+Outline::get_param_vocab()const
+{
+ Layer::Vocab ret(Layer_Polygon::get_param_vocab());
+
+ // Pop off the polygon parameter from the polygon vocab
+ ret.pop_back();
+
+ ret.push_back(ParamDesc("bline")
+ .set_local_name(_("Vertices"))
+ .set_origin("offset")
+ .set_scalar("width")
+ .set_description(_("A list of BLine Points"))
+ );
+
+ /*
+ ret.push_back(ParamDesc("width_list")
+ .set_local_name(_("Point Widths"))
+ .set_origin("segment_list")
+ .hidden()
+ .not_critical()
+ );
+ */
+
+ ret.push_back(ParamDesc("width")
+ .set_is_distance()
+ .set_local_name(_("Outline Width"))
+ );
+
+ ret.push_back(ParamDesc("expand")
+ .set_is_distance()
+ .set_local_name(_("Expand"))
+ );
+
+ ret.push_back(ParamDesc("sharp_cusps")
+ .set_local_name(_("Sharp Cusps"))
+ .set_description(_("Determines cusp type"))
+ );
+
+ ret.push_back(ParamDesc("round_tip[0]")
+ .set_local_name(_("Rounded Begin"))
+ .set_description(_("Round off the tip"))
+ );
+
+ ret.push_back(ParamDesc("round_tip[1]")
+ .set_local_name(_("Rounded End"))
+ .set_description(_("Round off the tip"))
+ );
+ ret.push_back(ParamDesc("loopyness")
+ .set_local_name(_("Loopyness"))
+ );
+ ret.push_back(ParamDesc("homogeneous_width")
+ .set_local_name(_("Homogeneous"))
+ );
+
+ return ret;
+}
projects / synfig.git / blobdiff