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raw | patch | inline | side by side (parent: fe11af4)
raw | patch | inline | side by side (parent: fe11af4)
author | pjrm <pjrm@users.sourceforge.net> | |
Sat, 29 Mar 2008 09:49:50 +0000 (09:49 +0000) | ||
committer | pjrm <pjrm@users.sourceforge.net> | |
Sat, 29 Mar 2008 09:49:50 +0000 (09:49 +0000) |
diff --git a/src/2geom/angle.h b/src/2geom/angle.h
index 4d548ab49b5750a1a5c6a72e514efd5d852c83ab..79e12c9541dac4ac018d78d99a18cadcfad097fc 100644 (file)
--- a/src/2geom/angle.h
+++ b/src/2geom/angle.h
-/**\r
- * \file angle.h\r
- * \brief Various trigoniometric helper functions\r
- *\r
- * Authors:\r
- * Johan Engelen <goejendaagh@zonnet.nl>\r
- *\r
- * Copyright (C) 2007 authors\r
- *\r
- * This library is free software; you can redistribute it and/or\r
- * modify it either under the terms of the GNU Lesser General Public\r
- * License version 2.1 as published by the Free Software Foundation\r
- * (the "LGPL") or, at your option, under the terms of the Mozilla\r
- * Public License Version 1.1 (the "MPL"). If you do not alter this\r
- * notice, a recipient may use your version of this file under either\r
- * the MPL or the LGPL.\r
- *\r
- * You should have received a copy of the LGPL along with this library\r
- * in the file COPYING-LGPL-2.1; if not, write to the Free Software\r
- * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA\r
- * You should have received a copy of the MPL along with this library\r
- * in the file COPYING-MPL-1.1\r
- *\r
- * The contents of this file are subject to the Mozilla Public License\r
- * Version 1.1 (the "License"); you may not use this file except in\r
- * compliance with the License. You may obtain a copy of the License at\r
- * http://www.mozilla.org/MPL/\r
- *\r
- * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY\r
- * OF ANY KIND, either express or implied. See the LGPL or the MPL for\r
- * the specific language governing rights and limitations.\r
- *\r
- */\r
- \r
-#ifndef LIB2GEOM_SEEN_ANGLE_H\r
-#define LIB2GEOM_SEEN_ANGLE_H\r
-\r
-namespace Geom {\r
-\r
-#ifndef M_PI\r
-# define M_PI 3.14159265358979323846\r
-#endif\r
-\r
-inline double deg_to_rad(double deg) { return deg*M_PI/180.0;}\r
-\r
-inline double rad_to_deg(double rad) { return rad*180.0/M_PI;}\r
-\r
-}\r
-\r
-#endif\r
+/**
+ * \file angle.h
+ * \brief Various trigoniometric helper functions
+ *
+ * Authors:
+ * Johan Engelen <goejendaagh@zonnet.nl>
+ *
+ * Copyright (C) 2007 authors
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it either under the terms of the GNU Lesser General Public
+ * License version 2.1 as published by the Free Software Foundation
+ * (the "LGPL") or, at your option, under the terms of the Mozilla
+ * Public License Version 1.1 (the "MPL"). If you do not alter this
+ * notice, a recipient may use your version of this file under either
+ * the MPL or the LGPL.
+ *
+ * You should have received a copy of the LGPL along with this library
+ * in the file COPYING-LGPL-2.1; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+ * You should have received a copy of the MPL along with this library
+ * in the file COPYING-MPL-1.1
+ *
+ * The contents of this file are subject to the Mozilla Public License
+ * Version 1.1 (the "License"); you may not use this file except in
+ * compliance with the License. You may obtain a copy of the License at
+ * http://www.mozilla.org/MPL/
+ *
+ * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY
+ * OF ANY KIND, either express or implied. See the LGPL or the MPL for
+ * the specific language governing rights and limitations.
+ *
+ */
+
+#ifndef LIB2GEOM_SEEN_ANGLE_H
+#define LIB2GEOM_SEEN_ANGLE_H
+
+namespace Geom {
+
+#ifndef M_PI
+# define M_PI 3.14159265358979323846
+#endif
+
+inline double deg_to_rad(double deg) { return deg*M_PI/180.0;}
+
+inline double rad_to_deg(double rad) { return rad*180.0/M_PI;}
+
+}
+
+#endif
index 87d238f14294c2692924ec7b9d1c97d53e19807d..fdc1cefe55a585d2205a63fcf925b1a74a587058 100644 (file)
-#include "poly-dk-solve.h"\r
-#include <iterator>\r
-\r
-/*** implementation of the Durand-Kerner method. seems buggy*/\r
-\r
-std::complex<double> evalu(Poly const & p, std::complex<double> x) {\r
- std::complex<double> result = 0;\r
- std::complex<double> xx = 1;\r
-\r
- for(unsigned i = 0; i < p.size(); i++) {\r
- result += p[i]*xx;\r
- xx *= x;\r
- }\r
- return result;\r
-}\r
-\r
-std::vector<std::complex<double> > DK(Poly const & ply, const double tol) {\r
- std::vector<std::complex<double> > roots;\r
- const int N = ply.degree();\r
-\r
- std::complex<double> b(0.4, 0.9);\r
- std::complex<double> p = 1;\r
- for(int i = 0; i < N; i++) {\r
- roots.push_back(p);\r
- p *= b;\r
- }\r
- assert(roots.size() == ply.degree());\r
-\r
- double error = 0;\r
- int i;\r
- for( i = 0; i < 30; i++) {\r
- error = 0;\r
- for(int r_i = 0; r_i < N; r_i++) {\r
- std::complex<double> denom = 1;\r
- std::complex<double> R = roots[r_i];\r
- for(int d_i = 0; d_i < N; d_i++) {\r
- if(r_i != d_i)\r
- denom *= R-roots[d_i];\r
- }\r
- assert(norm(denom) != 0);\r
- std::complex<double> dr = evalu(ply, R)/denom;\r
- error += norm(dr);\r
- roots[r_i] = R - dr;\r
- }\r
- /*std::copy(roots.begin(), roots.end(), std::ostream_iterator<std::complex<double> >(std::cout, ",\t"));\r
- std::cout << std::endl;*/\r
- if(error < tol)\r
- break;\r
- }\r
- //std::cout << error << ", " << i<< std::endl;\r
- return roots;\r
-}\r
-\r
-\r
-/*\r
- Local Variables:\r
- mode:c++\r
- c-file-style:"stroustrup"\r
- c-file-offsets:((innamespace . 0)(inline-open . 0)(case-label . +))\r
- indent-tabs-mode:nil\r
- fill-column:99\r
- End:\r
-*/\r
-// vim: filetype=cpp:expandtab:shiftwidth=4:tabstop=8:softtabstop=4:encoding=utf-8:textwidth=99 :\r
+#include "poly-dk-solve.h"
+#include <iterator>
+
+/*** implementation of the Durand-Kerner method. seems buggy*/
+
+std::complex<double> evalu(Poly const & p, std::complex<double> x) {
+ std::complex<double> result = 0;
+ std::complex<double> xx = 1;
+
+ for(unsigned i = 0; i < p.size(); i++) {
+ result += p[i]*xx;
+ xx *= x;
+ }
+ return result;
+}
+
+std::vector<std::complex<double> > DK(Poly const & ply, const double tol) {
+ std::vector<std::complex<double> > roots;
+ const int N = ply.degree();
+
+ std::complex<double> b(0.4, 0.9);
+ std::complex<double> p = 1;
+ for(int i = 0; i < N; i++) {
+ roots.push_back(p);
+ p *= b;
+ }
+ assert(roots.size() == ply.degree());
+
+ double error = 0;
+ int i;
+ for( i = 0; i < 30; i++) {
+ error = 0;
+ for(int r_i = 0; r_i < N; r_i++) {
+ std::complex<double> denom = 1;
+ std::complex<double> R = roots[r_i];
+ for(int d_i = 0; d_i < N; d_i++) {
+ if(r_i != d_i)
+ denom *= R-roots[d_i];
+ }
+ assert(norm(denom) != 0);
+ std::complex<double> dr = evalu(ply, R)/denom;
+ error += norm(dr);
+ roots[r_i] = R - dr;
+ }
+ /*std::copy(roots.begin(), roots.end(), std::ostream_iterator<std::complex<double> >(std::cout, ",\t"));
+ std::cout << std::endl;*/
+ if(error < tol)
+ break;
+ }
+ //std::cout << error << ", " << i<< std::endl;
+ return roots;
+}
+
+
+/*
+ Local Variables:
+ mode:c++
+ c-file-style:"stroustrup"
+ c-file-offsets:((innamespace . 0)(inline-open . 0)(case-label . +))
+ indent-tabs-mode:nil
+ fill-column:99
+ End:
+*/
+// vim: filetype=cpp:expandtab:shiftwidth=4:tabstop=8:softtabstop=4:encoding=utf-8:textwidth=99 :
index 921ec3e3b36ae81112929dfd5f986cd214c4bd3a..766f16edafa1e2621e9d7e24bfa0c3da9cb2f3a1 100644 (file)
-#include "poly-laguerre-solve.h"\r
-#include <iterator>\r
-\r
-typedef std::complex<double> cdouble;\r
-\r
-cdouble laguerre_internal_complex(Poly const & p,\r
- double x0,\r
- double tol,\r
- bool & quad_root) {\r
- cdouble a = 2*tol;\r
- cdouble xk = x0;\r
- double n = p.degree();\r
- quad_root = false;\r
- const unsigned shuffle_rate = 10;\r
- static double shuffle[] = {0, 0.5, 0.25, 0.75, 0.125, 0.375, 0.625, 0.875, 1.0};\r
- unsigned shuffle_counter = 0;\r
- while(std::norm(a) > (tol*tol)) {\r
- //std::cout << "xk = " << xk << std::endl;\r
- cdouble b = p.back();\r
- cdouble d = 0, f = 0;\r
- double err = abs(b);\r
- double abx = abs(xk);\r
- for(int j = p.size()-2; j >= 0; j--) {\r
- f = xk*f + d;\r
- d = xk*d + b;\r
- b = xk*b + p[j];\r
- err = abs(b) + abx*err;\r
- }\r
-\r
- err *= 1e-7; // magic epsilon for convergence, should be computed from tol\r
-\r
- cdouble px = b;\r
- if(abs(b) < err)\r
- return xk;\r
- //if(std::norm(px) < tol*tol)\r
- // return xk;\r
- cdouble G = d / px;\r
- cdouble H = G*G - f / px;\r
-\r
- //std::cout << "G = " << G << "H = " << H;\r
- cdouble radicand = (n - 1)*(n*H-G*G);\r
- //assert(radicand.real() > 0);\r
- if(radicand.real() < 0)\r
- quad_root = true;\r
- //std::cout << "radicand = " << radicand << std::endl;\r
- if(G.real() < 0) // here we try to maximise the denominator avoiding cancellation\r
- a = - sqrt(radicand);\r
- else\r
- a = sqrt(radicand);\r
- //std::cout << "a = " << a << std::endl;\r
- a = n / (a + G);\r
- //std::cout << "a = " << a << std::endl;\r
- if(shuffle_counter % shuffle_rate == 0)\r
- ;//a *= shuffle[shuffle_counter / shuffle_rate];\r
- xk -= a;\r
- shuffle_counter++;\r
- if(shuffle_counter >= 90)\r
- break;\r
- }\r
- //std::cout << "xk = " << xk << std::endl;\r
- return xk;\r
-}\r
-\r
-double laguerre_internal(Poly const & p,\r
- Poly const & pp,\r
- Poly const & ppp,\r
- double x0,\r
- double tol,\r
- bool & quad_root) {\r
- double a = 2*tol;\r
- double xk = x0;\r
- double n = p.degree();\r
- quad_root = false;\r
- while(a*a > (tol*tol)) {\r
- //std::cout << "xk = " << xk << std::endl;\r
- double px = p(xk);\r
- if(px*px < tol*tol)\r
- return xk;\r
- double G = pp(xk) / px;\r
- double H = G*G - ppp(xk) / px;\r
-\r
- //std::cout << "G = " << G << "H = " << H;\r
- double radicand = (n - 1)*(n*H-G*G);\r
- assert(radicand > 0);\r
- //std::cout << "radicand = " << radicand << std::endl;\r
- if(G < 0) // here we try to maximise the denominator avoiding cancellation\r
- a = - sqrt(radicand);\r
- else\r
- a = sqrt(radicand);\r
- //std::cout << "a = " << a << std::endl;\r
- a = n / (a + G);\r
- //std::cout << "a = " << a << std::endl;\r
- xk -= a;\r
- }\r
- //std::cout << "xk = " << xk << std::endl;\r
- return xk;\r
-}\r
-\r
-\r
-std::vector<cdouble >\r
-laguerre(Poly p, const double tol) {\r
- std::vector<cdouble > solutions;\r
- //std::cout << "p = " << p << " = ";\r
- while(p.size() > 1)\r
- {\r
- double x0 = 0;\r
- bool quad_root = false;\r
- cdouble sol = laguerre_internal_complex(p, x0, tol, quad_root);\r
- //if(abs(sol) > 1) break;\r
- Poly dvs;\r
- if(quad_root) {\r
- dvs.push_back((sol*conj(sol)).real());\r
- dvs.push_back(-(sol + conj(sol)).real());\r
- dvs.push_back(1.0);\r
- //std::cout << "(" << dvs << ")";\r
- //solutions.push_back(sol);\r
- //solutions.push_back(conj(sol));\r
- } else {\r
- //std::cout << sol << std::endl;\r
- dvs.push_back(-sol.real());\r
- dvs.push_back(1.0);\r
- solutions.push_back(sol);\r
- //std::cout << "(" << dvs << ")";\r
- }\r
- Poly r;\r
- p = divide(p, dvs, r);\r
- //std::cout << r << std::endl;\r
- }\r
- return solutions;\r
-}\r
-\r
-std::vector<double>\r
-laguerre_real_interval(Poly const & ply,\r
- const double lo, const double hi,\r
- const double tol) {\r
-}\r
-\r
-/*\r
- Local Variables:\r
- mode:c++\r
- c-file-style:"stroustrup"\r
- c-file-offsets:((innamespace . 0)(inline-open . 0)(case-label . +))\r
- indent-tabs-mode:nil\r
- fill-column:99\r
- End:\r
-*/\r
-// vim: filetype=cpp:expandtab:shiftwidth=4:tabstop=8:softtabstop=4:encoding=utf-8:textwidth=99 :\r
+#include "poly-laguerre-solve.h"
+#include <iterator>
+
+typedef std::complex<double> cdouble;
+
+cdouble laguerre_internal_complex(Poly const & p,
+ double x0,
+ double tol,
+ bool & quad_root) {
+ cdouble a = 2*tol;
+ cdouble xk = x0;
+ double n = p.degree();
+ quad_root = false;
+ const unsigned shuffle_rate = 10;
+ static double shuffle[] = {0, 0.5, 0.25, 0.75, 0.125, 0.375, 0.625, 0.875, 1.0};
+ unsigned shuffle_counter = 0;
+ while(std::norm(a) > (tol*tol)) {
+ //std::cout << "xk = " << xk << std::endl;
+ cdouble b = p.back();
+ cdouble d = 0, f = 0;
+ double err = abs(b);
+ double abx = abs(xk);
+ for(int j = p.size()-2; j >= 0; j--) {
+ f = xk*f + d;
+ d = xk*d + b;
+ b = xk*b + p[j];
+ err = abs(b) + abx*err;
+ }
+
+ err *= 1e-7; // magic epsilon for convergence, should be computed from tol
+
+ cdouble px = b;
+ if(abs(b) < err)
+ return xk;
+ //if(std::norm(px) < tol*tol)
+ // return xk;
+ cdouble G = d / px;
+ cdouble H = G*G - f / px;
+
+ //std::cout << "G = " << G << "H = " << H;
+ cdouble radicand = (n - 1)*(n*H-G*G);
+ //assert(radicand.real() > 0);
+ if(radicand.real() < 0)
+ quad_root = true;
+ //std::cout << "radicand = " << radicand << std::endl;
+ if(G.real() < 0) // here we try to maximise the denominator avoiding cancellation
+ a = - sqrt(radicand);
+ else
+ a = sqrt(radicand);
+ //std::cout << "a = " << a << std::endl;
+ a = n / (a + G);
+ //std::cout << "a = " << a << std::endl;
+ if(shuffle_counter % shuffle_rate == 0)
+ ;//a *= shuffle[shuffle_counter / shuffle_rate];
+ xk -= a;
+ shuffle_counter++;
+ if(shuffle_counter >= 90)
+ break;
+ }
+ //std::cout << "xk = " << xk << std::endl;
+ return xk;
+}
+
+double laguerre_internal(Poly const & p,
+ Poly const & pp,
+ Poly const & ppp,
+ double x0,
+ double tol,
+ bool & quad_root) {
+ double a = 2*tol;
+ double xk = x0;
+ double n = p.degree();
+ quad_root = false;
+ while(a*a > (tol*tol)) {
+ //std::cout << "xk = " << xk << std::endl;
+ double px = p(xk);
+ if(px*px < tol*tol)
+ return xk;
+ double G = pp(xk) / px;
+ double H = G*G - ppp(xk) / px;
+
+ //std::cout << "G = " << G << "H = " << H;
+ double radicand = (n - 1)*(n*H-G*G);
+ assert(radicand > 0);
+ //std::cout << "radicand = " << radicand << std::endl;
+ if(G < 0) // here we try to maximise the denominator avoiding cancellation
+ a = - sqrt(radicand);
+ else
+ a = sqrt(radicand);
+ //std::cout << "a = " << a << std::endl;
+ a = n / (a + G);
+ //std::cout << "a = " << a << std::endl;
+ xk -= a;
+ }
+ //std::cout << "xk = " << xk << std::endl;
+ return xk;
+}
+
+
+std::vector<cdouble >
+laguerre(Poly p, const double tol) {
+ std::vector<cdouble > solutions;
+ //std::cout << "p = " << p << " = ";
+ while(p.size() > 1)
+ {
+ double x0 = 0;
+ bool quad_root = false;
+ cdouble sol = laguerre_internal_complex(p, x0, tol, quad_root);
+ //if(abs(sol) > 1) break;
+ Poly dvs;
+ if(quad_root) {
+ dvs.push_back((sol*conj(sol)).real());
+ dvs.push_back(-(sol + conj(sol)).real());
+ dvs.push_back(1.0);
+ //std::cout << "(" << dvs << ")";
+ //solutions.push_back(sol);
+ //solutions.push_back(conj(sol));
+ } else {
+ //std::cout << sol << std::endl;
+ dvs.push_back(-sol.real());
+ dvs.push_back(1.0);
+ solutions.push_back(sol);
+ //std::cout << "(" << dvs << ")";
+ }
+ Poly r;
+ p = divide(p, dvs, r);
+ //std::cout << r << std::endl;
+ }
+ return solutions;
+}
+
+std::vector<double>
+laguerre_real_interval(Poly const & ply,
+ const double lo, const double hi,
+ const double tol) {
+}
+
+/*
+ Local Variables:
+ mode:c++
+ c-file-style:"stroustrup"
+ c-file-offsets:((innamespace . 0)(inline-open . 0)(case-label . +))
+ indent-tabs-mode:nil
+ fill-column:99
+ End:
+*/
+// vim: filetype=cpp:expandtab:shiftwidth=4:tabstop=8:softtabstop=4:encoding=utf-8:textwidth=99 :
diff --git a/src/2geom/sweep.cpp b/src/2geom/sweep.cpp
index c0e1c399713c3a6252b1816d10fab04a8c7ef715..b9ef71b5c0cd3cd165a066bc93599dbdee536a71 100644 (file)
--- a/src/2geom/sweep.cpp
+++ b/src/2geom/sweep.cpp
-#include "sweep.h"\r
-\r
-#include <algorithm>\r
-\r
-namespace Geom {\r
-\r
-std::vector<std::vector<unsigned> > sweep_bounds(std::vector<Rect> rs) {\r
- std::vector<Event> events; events.reserve(rs.size()*2);\r
- std::vector<std::vector<unsigned> > pairs(rs.size());\r
-\r
- for(unsigned i = 0; i < rs.size(); i++) {\r
- events.push_back(Event(rs[i].left(), i, false));\r
- events.push_back(Event(rs[i].right(), i, true));\r
- }\r
- std::sort(events.begin(), events.end());\r
-\r
- std::vector<unsigned> open;\r
- for(unsigned i = 0; i < events.size(); i++) {\r
- unsigned ix = events[i].ix;\r
- if(events[i].closing) {\r
- std::vector<unsigned>::iterator iter = std::find(open.begin(), open.end(), ix);\r
- //if(iter != open.end())\r
- open.erase(iter);\r
- } else {\r
- for(unsigned j = 0; j < open.size(); j++) {\r
- unsigned jx = open[j];\r
- if(rs[jx][Y].intersects(rs[ix][Y])) {\r
- pairs[jx].push_back(ix);\r
- }\r
- }\r
- open.push_back(ix);\r
- }\r
- }\r
- return pairs;\r
-}\r
-\r
-std::vector<std::vector<unsigned> > sweep_bounds(std::vector<Rect> a, std::vector<Rect> b) {\r
- std::vector<std::vector<unsigned> > pairs(a.size());\r
- if(a.empty() || b.empty()) return pairs;\r
- std::vector<Event> events[2];\r
- events[0].reserve(a.size()*2);\r
- events[1].reserve(b.size()*2);\r
-\r
- for(unsigned n = 0; n < 2; n++) {\r
- unsigned sz = n ? b.size() : a.size();\r
- events[n].reserve(sz*2);\r
- for(unsigned i = 0; i < sz; i++) {\r
- events[n].push_back(Event(n ? b[i].left() : a[i].left(), i, false));\r
- events[n].push_back(Event(n ? b[i].right() : a[i].right(), i, true));\r
- }\r
- std::sort(events[n].begin(), events[n].end());\r
- }\r
-\r
- std::vector<unsigned> open[2];\r
- bool n = events[1].front() < events[0].front();\r
- for(unsigned i[] = {0,0}; i[n] < events[n].size();) {\r
- unsigned ix = events[n][i[n]].ix;\r
- bool closing = events[n][i[n]].closing;\r
- //std::cout << n << "[" << ix << "] - " << (closing ? "closer" : "opener") << "\n";\r
- if(closing) {\r
- open[n].erase(std::find(open[n].begin(), open[n].end(), ix));\r
- } else {\r
- if(n) {\r
- //n = 1\r
- //opening a B, add to all open a\r
- for(unsigned j = 0; j < open[0].size(); j++) {\r
- unsigned jx = open[0][j];\r
- if(a[jx][Y].intersects(b[ix][Y])) {\r
- pairs[jx].push_back(ix);\r
- }\r
- }\r
- } else {\r
- //n = 0\r
- //opening an A, add all open b\r
- for(unsigned j = 0; j < open[1].size(); j++) {\r
- unsigned jx = open[1][j];\r
- if(b[jx][Y].intersects(a[ix][Y])) {\r
- pairs[ix].push_back(jx);\r
- }\r
- }\r
- }\r
- open[n].push_back(ix);\r
- }\r
- i[n]++;\r
- if(i[n]>=events[n].size()) {break;}\r
- n = (events[!n][i[!n]] < events[n][i[n]]) ? !n : n;\r
- }\r
- return pairs;\r
-}\r
-\r
-//Fake cull, until the switch to the real sweep is made.\r
-std::vector<std::vector<unsigned> > fake_cull(unsigned a, unsigned b) {\r
- std::vector<std::vector<unsigned> > ret;\r
-\r
- std::vector<unsigned> all;\r
- for(unsigned j = 0; j < b; j++)\r
- all.push_back(j);\r
-\r
- for(unsigned i = 0; i < a; i++)\r
- ret.push_back(all);\r
-\r
- return ret;\r
-}\r
-\r
-}\r
+#include "sweep.h"
+
+#include <algorithm>
+
+namespace Geom {
+
+std::vector<std::vector<unsigned> > sweep_bounds(std::vector<Rect> rs) {
+ std::vector<Event> events; events.reserve(rs.size()*2);
+ std::vector<std::vector<unsigned> > pairs(rs.size());
+
+ for(unsigned i = 0; i < rs.size(); i++) {
+ events.push_back(Event(rs[i].left(), i, false));
+ events.push_back(Event(rs[i].right(), i, true));
+ }
+ std::sort(events.begin(), events.end());
+
+ std::vector<unsigned> open;
+ for(unsigned i = 0; i < events.size(); i++) {
+ unsigned ix = events[i].ix;
+ if(events[i].closing) {
+ std::vector<unsigned>::iterator iter = std::find(open.begin(), open.end(), ix);
+ //if(iter != open.end())
+ open.erase(iter);
+ } else {
+ for(unsigned j = 0; j < open.size(); j++) {
+ unsigned jx = open[j];
+ if(rs[jx][Y].intersects(rs[ix][Y])) {
+ pairs[jx].push_back(ix);
+ }
+ }
+ open.push_back(ix);
+ }
+ }
+ return pairs;
+}
+
+std::vector<std::vector<unsigned> > sweep_bounds(std::vector<Rect> a, std::vector<Rect> b) {
+ std::vector<std::vector<unsigned> > pairs(a.size());
+ if(a.empty() || b.empty()) return pairs;
+ std::vector<Event> events[2];
+ events[0].reserve(a.size()*2);
+ events[1].reserve(b.size()*2);
+
+ for(unsigned n = 0; n < 2; n++) {
+ unsigned sz = n ? b.size() : a.size();
+ events[n].reserve(sz*2);
+ for(unsigned i = 0; i < sz; i++) {
+ events[n].push_back(Event(n ? b[i].left() : a[i].left(), i, false));
+ events[n].push_back(Event(n ? b[i].right() : a[i].right(), i, true));
+ }
+ std::sort(events[n].begin(), events[n].end());
+ }
+
+ std::vector<unsigned> open[2];
+ bool n = events[1].front() < events[0].front();
+ for(unsigned i[] = {0,0}; i[n] < events[n].size();) {
+ unsigned ix = events[n][i[n]].ix;
+ bool closing = events[n][i[n]].closing;
+ //std::cout << n << "[" << ix << "] - " << (closing ? "closer" : "opener") << "\n";
+ if(closing) {
+ open[n].erase(std::find(open[n].begin(), open[n].end(), ix));
+ } else {
+ if(n) {
+ //n = 1
+ //opening a B, add to all open a
+ for(unsigned j = 0; j < open[0].size(); j++) {
+ unsigned jx = open[0][j];
+ if(a[jx][Y].intersects(b[ix][Y])) {
+ pairs[jx].push_back(ix);
+ }
+ }
+ } else {
+ //n = 0
+ //opening an A, add all open b
+ for(unsigned j = 0; j < open[1].size(); j++) {
+ unsigned jx = open[1][j];
+ if(b[jx][Y].intersects(a[ix][Y])) {
+ pairs[ix].push_back(jx);
+ }
+ }
+ }
+ open[n].push_back(ix);
+ }
+ i[n]++;
+ if(i[n]>=events[n].size()) {break;}
+ n = (events[!n][i[!n]] < events[n][i[n]]) ? !n : n;
+ }
+ return pairs;
+}
+
+//Fake cull, until the switch to the real sweep is made.
+std::vector<std::vector<unsigned> > fake_cull(unsigned a, unsigned b) {
+ std::vector<std::vector<unsigned> > ret;
+
+ std::vector<unsigned> all;
+ for(unsigned j = 0; j < b; j++)
+ all.push_back(j);
+
+ for(unsigned i = 0; i < a; i++)
+ ret.push_back(all);
+
+ return ret;
+}
+
+}
diff --git a/src/libgdl/gdl-win32.c b/src/libgdl/gdl-win32.c
index 044befedfa2e2fa6a391cabfedbfac44ea2ce0f7..68df2f67d1d4321824ea2e8e1a1d0f978dc30564 100644 (file)
--- a/src/libgdl/gdl-win32.c
+++ b/src/libgdl/gdl-win32.c
-/*\r
- * Windows stuff\r
- *\r
- * Author:\r
- * Albin Sunnanbo\r
- * Based on code by Lauris Kaplinski <lauris@kaplinski.com> (/src/extension/internal/win32.cpp)\r
- *\r
- * This code is in public domain\r
- */\r
-\r
-#ifdef HAVE_CONFIG_H\r
-# include "config.h"\r
-#endif\r
-\r
-#include "gdl-win32.h"\r
-\r
-/* Platform detection */\r
-gboolean\r
-is_os_vista()\r
-{\r
- static gboolean initialized = FALSE;\r
- static gboolean is_vista = FALSE;\r
- static OSVERSIONINFOA osver;\r
-\r
- if ( !initialized )\r
- {\r
- BOOL result;\r
-\r
- initialized = TRUE;\r
-\r
- memset (&osver, 0, sizeof(OSVERSIONINFOA));\r
- osver.dwOSVersionInfoSize = sizeof(OSVERSIONINFOA);\r
- result = GetVersionExA (&osver);\r
- if (result)\r
- {\r
- if (osver.dwMajorVersion == WIN32_MAJORVERSION_VISTA)\r
- is_vista = TRUE;\r
- }\r
- }\r
-\r
- return is_vista;\r
-}\r
+/*
+ * Windows stuff
+ *
+ * Author:
+ * Albin Sunnanbo
+ * Based on code by Lauris Kaplinski <lauris@kaplinski.com> (/src/extension/internal/win32.cpp)
+ *
+ * This code is in public domain
+ */
+
+#ifdef HAVE_CONFIG_H
+# include "config.h"
+#endif
+
+#include "gdl-win32.h"
+
+/* Platform detection */
+gboolean
+is_os_vista()
+{
+ static gboolean initialized = FALSE;
+ static gboolean is_vista = FALSE;
+ static OSVERSIONINFOA osver;
+
+ if ( !initialized )
+ {
+ BOOL result;
+
+ initialized = TRUE;
+
+ memset (&osver, 0, sizeof(OSVERSIONINFOA));
+ osver.dwOSVersionInfoSize = sizeof(OSVERSIONINFOA);
+ result = GetVersionExA (&osver);
+ if (result)
+ {
+ if (osver.dwMajorVersion == WIN32_MAJORVERSION_VISTA)
+ is_vista = TRUE;
+ }
+ }
+
+ return is_vista;
+}
diff --git a/src/libgdl/gdl-win32.h b/src/libgdl/gdl-win32.h
index 8fa0800ed3029263eda1897295e05bfb934532ee..21361e98298115baf53cb3ccfeaa0a6dc1e05017 100644 (file)
--- a/src/libgdl/gdl-win32.h
+++ b/src/libgdl/gdl-win32.h
-#ifndef __INKSCAPE_GDL_WIN32_H__\r
-#define __INKSCAPE_GDL_WIN32_H__\r
-\r
-/*\r
- * Windows stuff\r
- *\r
- * Author:\r
- * Albin Sunnanbo\r
- *\r
- * This code is in public domain\r
- */\r
-\r
-\r
-\r
-#define WIN32_MAJORVERSION_VISTA 0x0006\r
-\r
-\r
-\r
-#include <config.h>\r
-#include <windows.h>\r
-#include <gdk/gdk.h>\r
-\r
-#ifndef WIN32\r
-#error "This file is only usable for Windows"\r
-#endif\r
-\r
-/* Platform detection */\r
-gboolean is_os_vista();\r
-\r
-#endif /* __INKSCAPE_GDL_WIN32_H__ */\r
+#ifndef __INKSCAPE_GDL_WIN32_H__
+#define __INKSCAPE_GDL_WIN32_H__
+
+/*
+ * Windows stuff
+ *
+ * Author:
+ * Albin Sunnanbo
+ *
+ * This code is in public domain
+ */
+
+
+
+#define WIN32_MAJORVERSION_VISTA 0x0006
+
+
+
+#include <config.h>
+#include <windows.h>
+#include <gdk/gdk.h>
+
+#ifndef WIN32
+#error "This file is only usable for Windows"
+#endif
+
+/* Platform detection */
+gboolean is_os_vista();
+
+#endif /* __INKSCAPE_GDL_WIN32_H__ */
diff --git a/src/live_effects/parameter/path-reference.cpp b/src/live_effects/parameter/path-reference.cpp
index 6a48f446b236c5140733de55b1b756948e6c1cdc..78f270e64db5d27b5e20fef50025c085392c8904 100644 (file)
-/*\r
- * The reference corresponding to href of LPE Path parameter.\r
- *\r
- * Copyright (C) 2008 Johan Engelen\r
- *\r
- * Released under GNU GPL, read the file 'COPYING' for more information.\r
- */\r
-\r
-#include "live_effects/parameter/path-reference.h"\r
-\r
-#include <cstring>\r
-#include <string>\r
-#include <string.h>\r
-\r
-#include "enums.h"\r
-\r
-#include "display/curve.h"\r
-#include "livarot/Path.h"\r
-#include "prefs-utils.h"\r
-#include "sp-shape.h"\r
-#include "sp-text.h"\r
-#include "uri.h"\r
-\r
-namespace Inkscape {\r
-namespace LivePathEffect {\r
-\r
-bool PathReference::_acceptObject(SPObject * const obj) const\r
-{\r
- if (SP_IS_SHAPE(obj) || SP_IS_TEXT(obj)) {\r
- /* Refuse references to lpeobject */\r
- if (obj == getOwner()) {\r
- return false;\r
- }\r
- // TODO: check whether the referred path has this LPE applied, if so: deny deny deny!\r
- return true;\r
- } else {\r
- return false;\r
- }\r
-}\r
-\r
-} // namespace LivePathEffect\r
-} // namespace Inkscape\r
-\r
-/*\r
- Local Variables:\r
- mode:c++\r
- c-file-style:"stroustrup"\r
- c-file-offsets:((innamespace . 0)(inline-open . 0)(case-label . +))\r
- indent-tabs-mode:nil\r
- fill-column:99\r
- End:\r
-*/\r
-// vim: filetype=cpp:expandtab:shiftwidth=4:tabstop=8:softtabstop=4 :\r
+/*
+ * The reference corresponding to href of LPE Path parameter.
+ *
+ * Copyright (C) 2008 Johan Engelen
+ *
+ * Released under GNU GPL, read the file 'COPYING' for more information.
+ */
+
+#include "live_effects/parameter/path-reference.h"
+
+#include <cstring>
+#include <string>
+#include <string.h>
+
+#include "enums.h"
+
+#include "display/curve.h"
+#include "livarot/Path.h"
+#include "prefs-utils.h"
+#include "sp-shape.h"
+#include "sp-text.h"
+#include "uri.h"
+
+namespace Inkscape {
+namespace LivePathEffect {
+
+bool PathReference::_acceptObject(SPObject * const obj) const
+{
+ if (SP_IS_SHAPE(obj) || SP_IS_TEXT(obj)) {
+ /* Refuse references to lpeobject */
+ if (obj == getOwner()) {
+ return false;
+ }
+ // TODO: check whether the referred path has this LPE applied, if so: deny deny deny!
+ return true;
+ } else {
+ return false;
+ }
+}
+
+} // namespace LivePathEffect
+} // namespace Inkscape
+
+/*
+ Local Variables:
+ mode:c++
+ c-file-style:"stroustrup"
+ c-file-offsets:((innamespace . 0)(inline-open . 0)(case-label . +))
+ indent-tabs-mode:nil
+ fill-column:99
+ End:
+*/
+// vim: filetype=cpp:expandtab:shiftwidth=4:tabstop=8:softtabstop=4 :
diff --git a/src/live_effects/parameter/path-reference.h b/src/live_effects/parameter/path-reference.h
index 88147d908c5e35078f60c2d553c2bf05c6fd3dcb..67508e5316618ecb82bec919a6ee8aaa7bdde431 100644 (file)
-#ifndef SEEN_LPE_PATH_REFERENCE_H\r
-#define SEEN_LPE_PATH_REFERENCE_H\r
-\r
-/*\r
- * The reference corresponding to href of LPE PathParam.\r
- *\r
- * Copyright (C) 2008 Johan Engelen\r
- *\r
- * Released under GNU GPL, read the file 'COPYING' for more information.\r
- */\r
-\r
-#include <forward.h>\r
-#include <uri-references.h>\r
-#include <sigc++/sigc++.h>\r
-\r
-class Path;\r
-\r
-namespace Inkscape {\r
-\r
-namespace XML {\r
- struct Node;\r
-}\r
-\r
-namespace LivePathEffect {\r
-\r
-\r
-class PathReference : public Inkscape::URIReference {\r
-public:\r
- PathReference(SPObject *owner) : URIReference(owner) {}\r
-\r
- SPItem *getObject() const {\r
- return (SPItem *)URIReference::getObject();\r
- }\r
-\r
-protected:\r
- virtual bool _acceptObject(SPObject * const obj) const;\r
-\r
-private:\r
- PathReference(const PathReference&);\r
- PathReference& operator=(const PathReference&);\r
-};\r
-\r
-} // namespace LivePathEffect\r
-\r
-} // namespace Inkscape\r
-\r
-\r
-\r
-#endif /* !SEEN_LPE_PATH_REFERENCE_H */\r
-\r
-/*\r
- Local Variables:\r
- mode:c++\r
- c-file-style:"stroustrup"\r
- c-file-offsets:((innamespace . 0)(inline-open . 0)(case-label . +))\r
- indent-tabs-mode:nil\r
- fill-column:99\r
- End:\r
-*/\r
-// vim: filetype=cpp:expandtab:shiftwidth=4:tabstop=8:softtabstop=4 :\r
+#ifndef SEEN_LPE_PATH_REFERENCE_H
+#define SEEN_LPE_PATH_REFERENCE_H
+
+/*
+ * The reference corresponding to href of LPE PathParam.
+ *
+ * Copyright (C) 2008 Johan Engelen
+ *
+ * Released under GNU GPL, read the file 'COPYING' for more information.
+ */
+
+#include <forward.h>
+#include <uri-references.h>
+#include <sigc++/sigc++.h>
+
+class Path;
+
+namespace Inkscape {
+
+namespace XML {
+ struct Node;
+}
+
+namespace LivePathEffect {
+
+
+class PathReference : public Inkscape::URIReference {
+public:
+ PathReference(SPObject *owner) : URIReference(owner) {}
+
+ SPItem *getObject() const {
+ return (SPItem *)URIReference::getObject();
+ }
+
+protected:
+ virtual bool _acceptObject(SPObject * const obj) const;
+
+private:
+ PathReference(const PathReference&);
+ PathReference& operator=(const PathReference&);
+};
+
+} // namespace LivePathEffect
+
+} // namespace Inkscape
+
+
+
+#endif /* !SEEN_LPE_PATH_REFERENCE_H */
+
+/*
+ Local Variables:
+ mode:c++
+ c-file-style:"stroustrup"
+ c-file-offsets:((innamespace . 0)(inline-open . 0)(case-label . +))
+ indent-tabs-mode:nil
+ fill-column:99
+ End:
+*/
+// vim: filetype=cpp:expandtab:shiftwidth=4:tabstop=8:softtabstop=4 :
diff --git a/src/live_effects/parameter/pointparam-knotholder.cpp b/src/live_effects/parameter/pointparam-knotholder.cpp
index cf6e00c225490c7e4c6ebaef2c46171b6c1b906c..55cb812093a6b9bdc2a4e90f60aa7f5594f663d4 100644 (file)
-#define INKSCAPE_LPE_POINTPARAM_KNOTHOLDER_C\r
-\r
-/*\r
- * Container for PointParamKnotHolder visual handles\r
- *\r
- * Authors:\r
- * Johan Engelen <goejendaagh@zonnet.nl>\r
- *\r
- * Copyright (C) 2008 authors\r
- *\r
- * Released under GNU GPL, read the file 'COPYING' for more information\r
- */\r
-\r
-#include "live_effects/parameter/pointparam-knotholder.h"\r
-#include "live_effects/lpeobject.h"\r
-#include "document.h"\r
-#include "sp-shape.h"\r
-#include "knot.h"\r
-#include "knotholder.h"\r
-#include "knot-holder-entity.h"\r
-\r
-#include <libnr/nr-matrix-div.h>\r
-#include <glibmm/i18n.h>\r
-#include <2geom/point.h>\r
-#include <2geom/matrix.h>\r
-#include "svg/stringstream.h"\r
-#include "xml/repr.h"\r
-\r
-class SPDesktop;\r
-\r
-namespace Inkscape {\r
-\r
-static void pointparam_knot_clicked_handler (SPKnot *knot, guint state, PointParamKnotHolder *kh);\r
-static void pointparam_knot_moved_handler(SPKnot *knot, NR::Point const *p, guint state, PointParamKnotHolder *kh);\r
-static void pointparam_knot_ungrabbed_handler (SPKnot *knot, unsigned int state, PointParamKnotHolder *kh);\r
-static void pointparam_knot_holder_class_init(PointParamKnotHolderClass *klass);\r
-\r
-void pointparam_knot_holder_dispose(GObject *object);\r
-\r
-static SPKnotHolderClass *parent_class;\r
-\r
-/**\r
- * Registers PointParamKnotHolder class and returns its type number.\r
- */\r
-GType pointparam_knot_holder_get_type()\r
-{\r
- static GType type = 0;\r
- if (!type) {\r
- GTypeInfo info = {\r
- sizeof(PointParamKnotHolderClass),\r
- NULL, /* base_init */\r
- NULL, /* base_finalize */\r
- (GClassInitFunc) pointparam_knot_holder_class_init,\r
- NULL, /* class_finalize */\r
- NULL, /* class_data */\r
- sizeof (PointParamKnotHolder),\r
- 16, /* n_preallocs */\r
- NULL,\r
- NULL\r
- };\r
- type = g_type_register_static (G_TYPE_OBJECT, "InkscapePointParamKnotHolder", &info, (GTypeFlags) 0);\r
- }\r
- return type;\r
-}\r
-\r
-/**\r
- * PointParamKnotHolder vtable initialization.\r
- */\r
-static void pointparam_knot_holder_class_init(PointParamKnotHolderClass *klass)\r
-{\r
- GObjectClass *gobject_class;\r
- gobject_class = (GObjectClass *) klass;\r
-\r
- parent_class = (SPKnotHolderClass*) g_type_class_peek_parent(klass);\r
- gobject_class->dispose = pointparam_knot_holder_dispose;\r
-}\r
-\r
-PointParamKnotHolder *pointparam_knot_holder_new(SPDesktop *desktop, SPObject *lpeobject, const gchar * key, SPItem *item)\r
-{\r
- g_return_val_if_fail(desktop != NULL, NULL);\r
- g_return_val_if_fail(item != NULL, NULL);\r
- g_return_val_if_fail(SP_IS_ITEM(item), NULL);\r
-\r
- PointParamKnotHolder *knot_holder = (PointParamKnotHolder*)g_object_new (INKSCAPE_TYPE_POINTPARAM_KNOT_HOLDER, 0);\r
- knot_holder->desktop = desktop;\r
- knot_holder->item = item;\r
- knot_holder->lpeobject = LIVEPATHEFFECT(lpeobject);\r
- g_object_ref(G_OBJECT(item));\r
- g_object_ref(G_OBJECT(lpeobject));\r
- knot_holder->entity = NULL;\r
-\r
- knot_holder->released = NULL;\r
-\r
- knot_holder->repr = lpeobject->repr;\r
- knot_holder->repr_key = key;\r
-\r
- knot_holder->local_change = FALSE;\r
-\r
- return knot_holder;\r
-}\r
-\r
-void pointparam_knot_holder_dispose(GObject *object) {\r
- PointParamKnotHolder *kh = G_TYPE_CHECK_INSTANCE_CAST((object), INKSCAPE_TYPE_POINTPARAM_KNOT_HOLDER, PointParamKnotHolder);\r
-\r
- g_object_unref(G_OBJECT(kh->item));\r
- g_object_unref(G_OBJECT(kh->lpeobject));\r
- while (kh->entity) {\r
- SPKnotHolderEntity *e = (SPKnotHolderEntity *) kh->entity->data;\r
- g_signal_handler_disconnect(e->knot, e->_click_handler_id);\r
- g_signal_handler_disconnect(e->knot, e->_ungrab_handler_id);\r
- /* unref should call destroy */\r
- g_object_unref(e->knot);\r
- g_free(e);\r
- kh->entity = g_slist_remove(kh->entity, e);\r
- }\r
-}\r
-\r
-void\r
-PointParamKnotHolder::add_knot (\r
- Geom::Point & p,\r
- PointParamKnotHolderClickedFunc knot_click,\r
- SPKnotShapeType shape,\r
- SPKnotModeType mode,\r
- guint32 color,\r
- const gchar *tip )\r
-{\r
- /* create new SPKnotHolderEntry */\r
- SPKnotHolderEntity *e = g_new(SPKnotHolderEntity, 1);\r
- e->knot = sp_knot_new(desktop, tip);\r
- e->knot_set = NULL;\r
- e->knot_get = NULL;\r
- if (knot_click) {\r
- e->knot_click = knot_click;\r
- } else {\r
- e->knot_click = NULL;\r
- }\r
-\r
- g_object_set(G_OBJECT (e->knot->item), "shape", shape, NULL);\r
- g_object_set(G_OBJECT (e->knot->item), "mode", mode, NULL);\r
-\r
- e->knot->fill [SP_KNOT_STATE_NORMAL] = color;\r
- g_object_set (G_OBJECT (e->knot->item), "fill_color", color, NULL);\r
-\r
- entity = g_slist_append(entity, e);\r
-\r
- /* Move to current point. */\r
- NR::Point dp = p * sp_item_i2d_affine(item);\r
- sp_knot_set_position(e->knot, &dp, SP_KNOT_STATE_NORMAL);\r
-\r
- e->handler_id = g_signal_connect(e->knot, "moved", G_CALLBACK(pointparam_knot_moved_handler), this);\r
- e->_click_handler_id = g_signal_connect(e->knot, "clicked", G_CALLBACK(pointparam_knot_clicked_handler), this);\r
- e->_ungrab_handler_id = g_signal_connect(e->knot, "ungrabbed", G_CALLBACK(pointparam_knot_ungrabbed_handler), this);\r
-\r
- sp_knot_show(e->knot);\r
-}\r
-\r
-static void pointparam_knot_clicked_handler(SPKnot */*knot*/, guint /*state*/, PointParamKnotHolder */*kh*/)\r
-{\r
-\r
-}\r
-\r
-/**\r
- * \param p In desktop coordinates.\r
- * This function does not write to XML, but tries to write directly to the PointParam to quickly live update the effect\r
- */\r
-static void pointparam_knot_moved_handler(SPKnot */*knot*/, NR::Point const *p, guint /*state*/, PointParamKnotHolder *kh)\r
-{\r
- NR::Matrix const i2d(sp_item_i2d_affine(kh->item));\r
- NR::Point pos = (*p) / i2d;\r
-\r
- Inkscape::SVGOStringStream os;\r
- os << pos.to_2geom();\r
-\r
- kh->lpeobject->lpe->setParameter(kh->repr_key, os.str().c_str());\r
-}\r
-\r
-static void pointparam_knot_ungrabbed_handler(SPKnot *knot, unsigned int /*state*/, PointParamKnotHolder *kh)\r
-{\r
- NR::Matrix const i2d(sp_item_i2d_affine(kh->item));\r
- NR::Point pos = sp_knot_position(knot) / i2d;\r
-\r
- Inkscape::SVGOStringStream os;\r
- os << pos.to_2geom();\r
-\r
- kh->repr->setAttribute(kh->repr_key , os.str().c_str());\r
-\r
- sp_document_done(SP_OBJECT_DOCUMENT (kh->lpeobject), SP_VERB_CONTEXT_LPE, _("Change LPE point parameter"));\r
-}\r
-\r
-} // namespace Inkscape\r
-\r
-/*\r
- Local Variables:\r
- mode:c++\r
- c-file-style:"stroustrup"\r
- c-file-offsets:((innamespace . 0)(inline-open . 0)(case-label . +))\r
- indent-tabs-mode:nil\r
- fill-column:99\r
- End:\r
-*/\r
-// vim: filetype=cpp:expandtab:shiftwidth=4:tabstop=8:softtabstop=4:encoding=utf-8:textwidth=99 :\r
+#define INKSCAPE_LPE_POINTPARAM_KNOTHOLDER_C
+
+/*
+ * Container for PointParamKnotHolder visual handles
+ *
+ * Authors:
+ * Johan Engelen <goejendaagh@zonnet.nl>
+ *
+ * Copyright (C) 2008 authors
+ *
+ * Released under GNU GPL, read the file 'COPYING' for more information
+ */
+
+#include "live_effects/parameter/pointparam-knotholder.h"
+#include "live_effects/lpeobject.h"
+#include "document.h"
+#include "sp-shape.h"
+#include "knot.h"
+#include "knotholder.h"
+#include "knot-holder-entity.h"
+
+#include <libnr/nr-matrix-div.h>
+#include <glibmm/i18n.h>
+#include <2geom/point.h>
+#include <2geom/matrix.h>
+#include "svg/stringstream.h"
+#include "xml/repr.h"
+
+class SPDesktop;
+
+namespace Inkscape {
+
+static void pointparam_knot_clicked_handler (SPKnot *knot, guint state, PointParamKnotHolder *kh);
+static void pointparam_knot_moved_handler(SPKnot *knot, NR::Point const *p, guint state, PointParamKnotHolder *kh);
+static void pointparam_knot_ungrabbed_handler (SPKnot *knot, unsigned int state, PointParamKnotHolder *kh);
+static void pointparam_knot_holder_class_init(PointParamKnotHolderClass *klass);
+
+void pointparam_knot_holder_dispose(GObject *object);
+
+static SPKnotHolderClass *parent_class;
+
+/**
+ * Registers PointParamKnotHolder class and returns its type number.
+ */
+GType pointparam_knot_holder_get_type()
+{
+ static GType type = 0;
+ if (!type) {
+ GTypeInfo info = {
+ sizeof(PointParamKnotHolderClass),
+ NULL, /* base_init */
+ NULL, /* base_finalize */
+ (GClassInitFunc) pointparam_knot_holder_class_init,
+ NULL, /* class_finalize */
+ NULL, /* class_data */
+ sizeof (PointParamKnotHolder),
+ 16, /* n_preallocs */
+ NULL,
+ NULL
+ };
+ type = g_type_register_static (G_TYPE_OBJECT, "InkscapePointParamKnotHolder", &info, (GTypeFlags) 0);
+ }
+ return type;
+}
+
+/**
+ * PointParamKnotHolder vtable initialization.
+ */
+static void pointparam_knot_holder_class_init(PointParamKnotHolderClass *klass)
+{
+ GObjectClass *gobject_class;
+ gobject_class = (GObjectClass *) klass;
+
+ parent_class = (SPKnotHolderClass*) g_type_class_peek_parent(klass);
+ gobject_class->dispose = pointparam_knot_holder_dispose;
+}
+
+PointParamKnotHolder *pointparam_knot_holder_new(SPDesktop *desktop, SPObject *lpeobject, const gchar * key, SPItem *item)
+{
+ g_return_val_if_fail(desktop != NULL, NULL);
+ g_return_val_if_fail(item != NULL, NULL);
+ g_return_val_if_fail(SP_IS_ITEM(item), NULL);
+
+ PointParamKnotHolder *knot_holder = (PointParamKnotHolder*)g_object_new (INKSCAPE_TYPE_POINTPARAM_KNOT_HOLDER, 0);
+ knot_holder->desktop = desktop;
+ knot_holder->item = item;
+ knot_holder->lpeobject = LIVEPATHEFFECT(lpeobject);
+ g_object_ref(G_OBJECT(item));
+ g_object_ref(G_OBJECT(lpeobject));
+ knot_holder->entity = NULL;
+
+ knot_holder->released = NULL;
+
+ knot_holder->repr = lpeobject->repr;
+ knot_holder->repr_key = key;
+
+ knot_holder->local_change = FALSE;
+
+ return knot_holder;
+}
+
+void pointparam_knot_holder_dispose(GObject *object) {
+ PointParamKnotHolder *kh = G_TYPE_CHECK_INSTANCE_CAST((object), INKSCAPE_TYPE_POINTPARAM_KNOT_HOLDER, PointParamKnotHolder);
+
+ g_object_unref(G_OBJECT(kh->item));
+ g_object_unref(G_OBJECT(kh->lpeobject));
+ while (kh->entity) {
+ SPKnotHolderEntity *e = (SPKnotHolderEntity *) kh->entity->data;
+ g_signal_handler_disconnect(e->knot, e->_click_handler_id);
+ g_signal_handler_disconnect(e->knot, e->_ungrab_handler_id);
+ /* unref should call destroy */
+ g_object_unref(e->knot);
+ g_free(e);
+ kh->entity = g_slist_remove(kh->entity, e);
+ }
+}
+
+void
+PointParamKnotHolder::add_knot (
+ Geom::Point & p,
+ PointParamKnotHolderClickedFunc knot_click,
+ SPKnotShapeType shape,
+ SPKnotModeType mode,
+ guint32 color,
+ const gchar *tip )
+{
+ /* create new SPKnotHolderEntry */
+ SPKnotHolderEntity *e = g_new(SPKnotHolderEntity, 1);
+ e->knot = sp_knot_new(desktop, tip);
+ e->knot_set = NULL;
+ e->knot_get = NULL;
+ if (knot_click) {
+ e->knot_click = knot_click;
+ } else {
+ e->knot_click = NULL;
+ }
+
+ g_object_set(G_OBJECT (e->knot->item), "shape", shape, NULL);
+ g_object_set(G_OBJECT (e->knot->item), "mode", mode, NULL);
+
+ e->knot->fill [SP_KNOT_STATE_NORMAL] = color;
+ g_object_set (G_OBJECT (e->knot->item), "fill_color", color, NULL);
+
+ entity = g_slist_append(entity, e);
+
+ /* Move to current point. */
+ NR::Point dp = p * sp_item_i2d_affine(item);
+ sp_knot_set_position(e->knot, &dp, SP_KNOT_STATE_NORMAL);
+
+ e->handler_id = g_signal_connect(e->knot, "moved", G_CALLBACK(pointparam_knot_moved_handler), this);
+ e->_click_handler_id = g_signal_connect(e->knot, "clicked", G_CALLBACK(pointparam_knot_clicked_handler), this);
+ e->_ungrab_handler_id = g_signal_connect(e->knot, "ungrabbed", G_CALLBACK(pointparam_knot_ungrabbed_handler), this);
+
+ sp_knot_show(e->knot);
+}
+
+static void pointparam_knot_clicked_handler(SPKnot */*knot*/, guint /*state*/, PointParamKnotHolder */*kh*/)
+{
+
+}
+
+/**
+ * \param p In desktop coordinates.
+ * This function does not write to XML, but tries to write directly to the PointParam to quickly live update the effect
+ */
+static void pointparam_knot_moved_handler(SPKnot */*knot*/, NR::Point const *p, guint /*state*/, PointParamKnotHolder *kh)
+{
+ NR::Matrix const i2d(sp_item_i2d_affine(kh->item));
+ NR::Point pos = (*p) / i2d;
+
+ Inkscape::SVGOStringStream os;
+ os << pos.to_2geom();
+
+ kh->lpeobject->lpe->setParameter(kh->repr_key, os.str().c_str());
+}
+
+static void pointparam_knot_ungrabbed_handler(SPKnot *knot, unsigned int /*state*/, PointParamKnotHolder *kh)
+{
+ NR::Matrix const i2d(sp_item_i2d_affine(kh->item));
+ NR::Point pos = sp_knot_position(knot) / i2d;
+
+ Inkscape::SVGOStringStream os;
+ os << pos.to_2geom();
+
+ kh->repr->setAttribute(kh->repr_key , os.str().c_str());
+
+ sp_document_done(SP_OBJECT_DOCUMENT (kh->lpeobject), SP_VERB_CONTEXT_LPE, _("Change LPE point parameter"));
+}
+
+} // namespace Inkscape
+
+/*
+ Local Variables:
+ mode:c++
+ c-file-style:"stroustrup"
+ c-file-offsets:((innamespace . 0)(inline-open . 0)(case-label . +))
+ indent-tabs-mode:nil
+ fill-column:99
+ End:
+*/
+// vim: filetype=cpp:expandtab:shiftwidth=4:tabstop=8:softtabstop=4:encoding=utf-8:textwidth=99 :
diff --git a/src/sp-lpe-item.cpp b/src/sp-lpe-item.cpp
index 373d641cb9826c5fec9e2f5f2f76e6be7856b34a..78055eb9cb99b18e5d40bd237bab8e52dd4fb3a2 100644 (file)
--- a/src/sp-lpe-item.cpp
+++ b/src/sp-lpe-item.cpp
-#define __SP_LPE_ITEM_CPP__\r
-\r
-/** \file\r
- * Base class for live path effect items\r
- */\r
-/*\r
- * Authors:\r
- * Johan Engelen <j.b.c.engelen@ewi.utwente.nl>\r
- * Bastien Bouclet <bgkweb@gmail.com>\r
- *\r
- * Copyright (C) 2008 authors\r
- *\r
- * Released under GNU GPL, read the file 'COPYING' for more information\r
- */\r
-\r
-#ifdef HAVE_CONFIG_H\r
-# include "config.h"\r
-#endif\r
-\r
-#include "live_effects/effect.h"\r
-#include "live_effects/lpeobject.h"\r
-#include "live_effects/lpeobject-reference.h"\r
-\r
-#include "sp-path.h"\r
-#include "sp-item-group.h"\r
-#include "macros.h"\r
-#include "attributes.h"\r
-#include "sp-lpe-item.h"\r
-#include "xml/repr.h"\r
-#include "uri.h"\r
-\r
-/* LPEItem base class */\r
-\r
-static void sp_lpe_item_class_init(SPLPEItemClass *klass);\r
-static void sp_lpe_item_init(SPLPEItem *lpe_item);\r
-static void sp_lpe_item_finalize(GObject *object);\r
-\r
-static void sp_lpe_item_build(SPObject *object, SPDocument *document, Inkscape::XML::Node *repr);\r
-static void sp_lpe_item_release(SPObject *object);\r
-static void sp_lpe_item_set(SPObject *object, unsigned int key, gchar const *value);\r
-static void sp_lpe_item_update(SPObject *object, SPCtx *ctx, guint flags);\r
-static void sp_lpe_item_modified (SPObject *object, unsigned int flags);\r
-static Inkscape::XML::Node *sp_lpe_item_write(SPObject *object, Inkscape::XML::Node *repr, guint flags);\r
-\r
-static void sp_lpe_item_child_added (SPObject * object, Inkscape::XML::Node * child, Inkscape::XML::Node * ref);\r
-static void sp_lpe_item_remove_child (SPObject * object, Inkscape::XML::Node * child);\r
-\r
-static void lpeobject_ref_changed(SPObject *old_ref, SPObject *ref, SPLPEItem *lpeitem);\r
-static void lpeobject_ref_modified(SPObject *href, guint flags, SPLPEItem *lpeitem);\r
-\r
-static void sp_lpe_item_create_original_path_recursive(SPLPEItem *lpeitem);\r
-static void sp_lpe_item_cleanup_original_path_recursive(SPLPEItem *lpeitem);\r
-\r
-static SPItemClass *parent_class;\r
-\r
-GType\r
-sp_lpe_item_get_type()\r
-{\r
- static GType lpe_item_type = 0;\r
-\r
- if (!lpe_item_type) {\r
- GTypeInfo lpe_item_info = {\r
- sizeof(SPLPEItemClass),\r
- NULL, NULL,\r
- (GClassInitFunc) sp_lpe_item_class_init,\r
- NULL, NULL,\r
- sizeof(SPLPEItem),\r
- 16,\r
- (GInstanceInitFunc) sp_lpe_item_init,\r
- NULL, /* value_table */\r
- };\r
- lpe_item_type = g_type_register_static(SP_TYPE_ITEM, "SPLPEItem", &lpe_item_info, (GTypeFlags)0);\r
- }\r
- return lpe_item_type;\r
-}\r
-\r
-static void\r
-sp_lpe_item_class_init(SPLPEItemClass *klass)\r
-{ \r
- GObjectClass *gobject_class;\r
- SPObjectClass *sp_object_class;\r
-\r
- gobject_class = (GObjectClass *) klass;\r
- sp_object_class = (SPObjectClass *) klass;\r
- parent_class = (SPItemClass *)g_type_class_peek_parent (klass);\r
-\r
- gobject_class->finalize = sp_lpe_item_finalize;\r
-\r
- sp_object_class->build = sp_lpe_item_build;\r
- sp_object_class->release = sp_lpe_item_release;\r
- sp_object_class->set = sp_lpe_item_set;\r
- sp_object_class->update = sp_lpe_item_update;\r
- sp_object_class->modified = sp_lpe_item_modified;\r
- sp_object_class->write = sp_lpe_item_write;\r
- sp_object_class->child_added = sp_lpe_item_child_added;\r
- sp_object_class->remove_child = sp_lpe_item_remove_child;\r
- \r
- klass->update_patheffect = NULL;\r
-}\r
-\r
-static void\r
-sp_lpe_item_init(SPLPEItem *lpeitem)\r
-{\r
- lpeitem->path_effect_ref = new Inkscape::LivePathEffect::LPEObjectReference(SP_OBJECT(lpeitem));\r
- new (&lpeitem->lpe_modified_connection) sigc::connection();\r
-}\r
-\r
-static void\r
-sp_lpe_item_finalize(GObject *object)\r
-{\r
- if (((GObjectClass *) (parent_class))->finalize) {\r
- (* ((GObjectClass *) (parent_class))->finalize)(object);\r
- }\r
-}\r
-\r
-/**\r
- * Reads the Inkscape::XML::Node, and initializes SPLPEItem variables. For this to get called,\r
- * our name must be associated with a repr via "sp_object_type_register". Best done through\r
- * sp-object-repr.cpp's repr_name_entries array.\r
- */\r
-static void\r
-sp_lpe_item_build(SPObject *object, SPDocument *document, Inkscape::XML::Node *repr)\r
-{\r
- SP_LPE_ITEM(object)->path_effect_ref->changedSignal().connect(sigc::bind(sigc::ptr_fun(lpeobject_ref_changed), SP_LPE_ITEM(object)));\r
-\r
- sp_object_read_attr(object, "inkscape:path-effect");\r
- \r
- if (((SPObjectClass *) parent_class)->build) {\r
- ((SPObjectClass *) parent_class)->build(object, document, repr);\r
- }\r
-}\r
-\r
-/**\r
- * Drops any allocated memory.\r
- */\r
-static void\r
-sp_lpe_item_release(SPObject *object)\r
-{\r
- SPLPEItem *lpeitem;\r
- lpeitem = (SPLPEItem *) object;\r
-\r
- lpeitem->path_effect_ref->detach();\r
-\r
- lpeitem->lpe_modified_connection.disconnect();\r
- lpeitem->lpe_modified_connection.~connection();\r
-\r
- if (((SPObjectClass *) parent_class)->release)\r
- ((SPObjectClass *) parent_class)->release(object);\r
-}\r
-\r
-/**\r
- * Sets a specific value in the SPLPEItem.\r
- */\r
-static void\r
-sp_lpe_item_set(SPObject *object, unsigned int key, gchar const *value)\r
-{\r
- SPLPEItem *lpeitem = (SPLPEItem *) object;\r
-\r
- switch (key) {\r
- case SP_ATTR_INKSCAPE_PATH_EFFECT:\r
- if ( value && lpeitem->path_effect_ref->lpeobject_href \r
- && ( strcmp(value, lpeitem->path_effect_ref->lpeobject_href) == 0 ) ) {\r
- /* No change, do nothing. */\r
- } else {\r
- if (value) {\r
- // Now do the attaching, which emits the changed signal.\r
- try {\r
- lpeitem->path_effect_ref->link((gchar*)value);\r
- } catch (Inkscape::BadURIException &e) {\r
- g_warning("%s", e.what());\r
- lpeitem->path_effect_ref->detach();\r
- }\r
- } else {\r
- // Detach, which emits the changed signal.\r
- lpeitem->path_effect_ref->detach();\r
- }\r
- }\r
- break;\r
- default:\r
- if (((SPObjectClass *) parent_class)->set) {\r
- ((SPObjectClass *) parent_class)->set(object, key, value);\r
- }\r
- break;\r
- }\r
-}\r
-\r
-/**\r
- * Receives update notifications.\r
- */\r
-static void\r
-sp_lpe_item_update(SPObject *object, SPCtx *ctx, guint flags)\r
-{\r
- if (((SPObjectClass *) parent_class)->update) {\r
- ((SPObjectClass *) parent_class)->update(object, ctx, flags);\r
- }\r
-}\r
-\r
-/**\r
- * Sets modified flag for all sub-item views.\r
- */\r
-static void\r
-sp_lpe_item_modified (SPObject *object, unsigned int flags)\r
-{\r
- if (((SPObjectClass *) (parent_class))->modified) {\r
- (* ((SPObjectClass *) (parent_class))->modified) (object, flags);\r
- }\r
-}\r
-\r
-/**\r
- * Writes its settings to an incoming repr object, if any.\r
- */\r
-static Inkscape::XML::Node *\r
-sp_lpe_item_write(SPObject *object, Inkscape::XML::Node *repr, guint flags)\r
-{\r
- SPLPEItem *lpeitem = (SPLPEItem *) object;\r
-\r
- if ( sp_lpe_item_has_path_effect(lpeitem) ) {\r
- repr->setAttribute("inkscape:path-effect", lpeitem->path_effect_ref->lpeobject_href);\r
- } else {\r
- repr->setAttribute("inkscape:path-effect", NULL);\r
- }\r
-\r
- if (((SPObjectClass *)(parent_class))->write) {\r
- ((SPObjectClass *)(parent_class))->write(object, repr, flags);\r
- }\r
-\r
- return repr;\r
-}\r
-\r
-\r
-LivePathEffectObject *\r
-sp_lpe_item_get_livepatheffectobject(SPLPEItem *lpeitem) {\r
- if (!lpeitem) return NULL;\r
-\r
- if (sp_lpe_item_has_path_effect(lpeitem)) {\r
- return lpeitem->path_effect_ref->lpeobject;\r
- } else {\r
- return NULL;\r
- }\r
-}\r
-\r
-Inkscape::LivePathEffect::Effect *\r
-sp_lpe_item_get_livepatheffect(SPLPEItem *lpeitem) {\r
- if (!lpeitem) return NULL;\r
-\r
- LivePathEffectObject * lpeobj = sp_lpe_item_get_livepatheffectobject(lpeitem);\r
- if (lpeobj)\r
- return lpeobj->lpe;\r
- else\r
- return NULL;\r
-}\r
-\r
-void sp_lpe_item_perform_path_effect(SPLPEItem *lpeitem, SPCurve *curve) {\r
- if (!lpeitem) return;\r
- if (!curve) return;\r
-\r
- if (sp_lpe_item_has_path_effect(lpeitem)) {\r
- LivePathEffectObject *lpeobj = sp_lpe_item_get_livepatheffectobject(lpeitem);\r
- lpeobj->lpe->doEffect(curve);\r
- }\r
- \r
- SPObject *parent = lpeitem->parent;\r
- if (parent && SP_IS_LPE_ITEM(parent))\r
- sp_lpe_item_perform_path_effect(SP_LPE_ITEM(parent), curve);\r
-}\r
-\r
-/**\r
- * Calls any registered handlers for the update_patheffect action\r
- */\r
-void\r
-sp_lpe_item_update_patheffect (SPLPEItem *lpeitem, bool write)\r
-{\r
-#ifdef SHAPE_VERBOSE\r
- g_message("sp_lpe_item_update_patheffect: %p\n", lpeitem);\r
-#endif\r
- g_return_if_fail (lpeitem != NULL);\r
- g_return_if_fail (SP_IS_LPE_ITEM (lpeitem));\r
-\r
- if (sp_lpe_item_has_path_effect(lpeitem)) {\r
- LivePathEffectObject *lpeobj = sp_lpe_item_get_livepatheffectobject(lpeitem);\r
- lpeobj->lpe->doBeforeEffect(lpeitem);\r
- }\r
-\r
- if (SP_LPE_ITEM_CLASS (G_OBJECT_GET_CLASS (lpeitem))->update_patheffect) {\r
- SP_LPE_ITEM_CLASS (G_OBJECT_GET_CLASS (lpeitem))->update_patheffect (lpeitem, write);\r
- }\r
-}\r
-\r
-/**\r
- * Gets called when (re)attached to another lpeobject.\r
- */\r
-static void\r
-lpeobject_ref_changed(SPObject *old_ref, SPObject *ref, SPLPEItem *lpeitem)\r
-{\r
- if (old_ref) {\r
- sp_signal_disconnect_by_data(old_ref, lpeitem);\r
- }\r
- if ( IS_LIVEPATHEFFECT(ref) && ref != lpeitem )\r
- {\r
- lpeitem->lpe_modified_connection.disconnect();\r
- lpeitem->lpe_modified_connection = ref->connectModified(sigc::bind(sigc::ptr_fun(&lpeobject_ref_modified), lpeitem));\r
- lpeobject_ref_modified(ref, 0, lpeitem);\r
- }\r
-}\r
-\r
-/**\r
- * Gets called when lpeobject repr contents change: i.e. parameter change.\r
- */\r
-static void\r
-lpeobject_ref_modified(SPObject */*href*/, guint /*flags*/, SPLPEItem *lpeitem)\r
-{\r
- sp_lpe_item_update_patheffect (lpeitem, true);\r
-}\r
-\r
-static void\r
-sp_lpe_item_create_original_path_recursive(SPLPEItem *lpeitem)\r
-{\r
- if (SP_IS_GROUP(lpeitem)) {\r
- GSList const *item_list = sp_item_group_item_list(SP_GROUP(lpeitem));\r
- for ( GSList const *iter = item_list; iter; iter = iter->next ) {\r
- SPObject *subitem = static_cast<SPObject *>(iter->data);\r
- if (SP_IS_LPE_ITEM(subitem)) {\r
- sp_lpe_item_create_original_path_recursive(SP_LPE_ITEM(subitem));\r
- }\r
- }\r
- }\r
- else if (SP_IS_PATH(lpeitem)) {\r
- Inkscape::XML::Node *pathrepr = SP_OBJECT_REPR(lpeitem);\r
- if ( !pathrepr->attribute("inkscape:original-d") ) {\r
- pathrepr->setAttribute("inkscape:original-d", pathrepr->attribute("d"));\r
- }\r
- }\r
-}\r
-\r
-static void\r
-sp_lpe_item_cleanup_original_path_recursive(SPLPEItem *lpeitem)\r
-{\r
- if (SP_IS_GROUP(lpeitem)) {\r
- GSList const *item_list = sp_item_group_item_list(SP_GROUP(lpeitem));\r
- for ( GSList const *iter = item_list; iter; iter = iter->next ) {\r
- SPObject *subitem = static_cast<SPObject *>(iter->data);\r
- if (SP_IS_LPE_ITEM(subitem)) {\r
- sp_lpe_item_cleanup_original_path_recursive(SP_LPE_ITEM(subitem));\r
- }\r
- }\r
- }\r
- else if (SP_IS_PATH(lpeitem)) {\r
- Inkscape::XML::Node *repr = SP_OBJECT_REPR(lpeitem);\r
- if (!sp_lpe_item_has_path_effect_recursive(lpeitem) \r
- && repr->attribute("inkscape:original-d")) {\r
- repr->setAttribute("d", repr->attribute("inkscape:original-d"));\r
- repr->setAttribute("inkscape:original-d", NULL);\r
- }\r
- else {\r
- sp_lpe_item_update_patheffect(lpeitem, true);\r
- }\r
- }\r
-}\r
-\r
-void sp_lpe_item_set_path_effect(SPLPEItem *lpeitem, gchar *value)\r
-{\r
- if (!value) {\r
- sp_lpe_item_remove_path_effect(lpeitem, false);\r
- } else {\r
- SP_OBJECT_REPR(lpeitem)->setAttribute("inkscape:path-effect", value);\r
- \r
- // make sure there is an original-d for paths!!!\r
- sp_lpe_item_create_original_path_recursive(lpeitem);\r
- }\r
-}\r
-\r
-void sp_lpe_item_set_path_effect(SPLPEItem *lpeitem, LivePathEffectObject * new_lpeobj)\r
-{\r
- const gchar * repr_id = SP_OBJECT_REPR(new_lpeobj)->attribute("id");\r
- gchar *hrefstr = g_strdup_printf("#%s", repr_id);\r
- sp_lpe_item_set_path_effect(lpeitem, hrefstr);\r
- g_free(hrefstr);\r
-}\r
-\r
-void sp_lpe_item_remove_path_effect(SPLPEItem *lpeitem, bool keep_paths)\r
-{\r
- Inkscape::XML::Node *repr = SP_OBJECT_REPR(lpeitem);\r
- repr->setAttribute("inkscape:path-effect", NULL);\r
- \r
- if (!keep_paths) {\r
- sp_lpe_item_cleanup_original_path_recursive(lpeitem);\r
- }\r
-}\r
-\r
-bool sp_lpe_item_has_path_effect(SPLPEItem *lpeitem)\r
-{\r
- return lpeitem->path_effect_ref && lpeitem->path_effect_ref->lpeobject;\r
-}\r
-\r
-bool sp_lpe_item_has_path_effect_recursive(SPLPEItem *lpeitem)\r
-{\r
- SPObject *parent = lpeitem->parent;\r
- if (parent && SP_IS_LPE_ITEM(parent)) {\r
- return sp_lpe_item_has_path_effect(lpeitem) || sp_lpe_item_has_path_effect_recursive(SP_LPE_ITEM(parent));\r
- }\r
- else {\r
- return sp_lpe_item_has_path_effect(lpeitem);\r
- }\r
-}\r
-\r
-void sp_lpe_item_edit_next_param_oncanvas(SPLPEItem *lpeitem, SPDesktop *dt)\r
-{\r
- LivePathEffectObject *lpeobj = sp_lpe_item_get_livepatheffectobject(lpeitem);\r
- if (lpeobj && lpeobj->lpe) {\r
- lpeobj->lpe->editNextParamOncanvas(SP_ITEM(lpeitem), dt);\r
- }\r
-}\r
-\r
-static void\r
-sp_lpe_item_child_added (SPObject *object, Inkscape::XML::Node *child, Inkscape::XML::Node *ref)\r
-{\r
- if (((SPObjectClass *) (parent_class))->child_added)\r
- (* ((SPObjectClass *) (parent_class))->child_added) (object, child, ref);\r
- \r
- if (SP_IS_LPE_ITEM(object) && sp_lpe_item_has_path_effect_recursive(SP_LPE_ITEM(object))) {\r
- SPObject *ochild = sp_object_get_child_by_repr(object, child);\r
- if ( ochild && SP_IS_LPE_ITEM(ochild) ) {\r
- sp_lpe_item_create_original_path_recursive(SP_LPE_ITEM(ochild));\r
- }\r
- }\r
-}\r
-\r
-static void\r
-sp_lpe_item_remove_child (SPObject * object, Inkscape::XML::Node * child)\r
-{\r
- if (SP_IS_LPE_ITEM(object) && sp_lpe_item_has_path_effect_recursive(SP_LPE_ITEM(object))) {\r
- SPObject *ochild = sp_object_get_child_by_repr(object, child);\r
- if ( ochild && SP_IS_LPE_ITEM(ochild) ) {\r
- sp_lpe_item_cleanup_original_path_recursive(SP_LPE_ITEM(ochild));\r
- }\r
- }\r
-\r
- if (((SPObjectClass *) (parent_class))->remove_child)\r
- (* ((SPObjectClass *) (parent_class))->remove_child) (object, child);\r
-}\r
-\r
-/*\r
- Local Variables:\r
- mode:c++\r
- c-file-style:"stroustrup"\r
- c-file-offsets:((innamespace . 0)(inline-open . 0)(case-label . +))\r
- indent-tabs-mode:nil\r
- fill-column:99\r
- End:\r
-*/\r
-// vim: filetype=cpp:expandtab:shiftwidth=4:tabstop=8:softtabstop=4:encoding=utf-8:textwidth=99 :\r
+#define __SP_LPE_ITEM_CPP__
+
+/** \file
+ * Base class for live path effect items
+ */
+/*
+ * Authors:
+ * Johan Engelen <j.b.c.engelen@ewi.utwente.nl>
+ * Bastien Bouclet <bgkweb@gmail.com>
+ *
+ * Copyright (C) 2008 authors
+ *
+ * Released under GNU GPL, read the file 'COPYING' for more information
+ */
+
+#ifdef HAVE_CONFIG_H
+# include "config.h"
+#endif
+
+#include "live_effects/effect.h"
+#include "live_effects/lpeobject.h"
+#include "live_effects/lpeobject-reference.h"
+
+#include "sp-path.h"
+#include "sp-item-group.h"
+#include "macros.h"
+#include "attributes.h"
+#include "sp-lpe-item.h"
+#include "xml/repr.h"
+#include "uri.h"
+
+/* LPEItem base class */
+
+static void sp_lpe_item_class_init(SPLPEItemClass *klass);
+static void sp_lpe_item_init(SPLPEItem *lpe_item);
+static void sp_lpe_item_finalize(GObject *object);
+
+static void sp_lpe_item_build(SPObject *object, SPDocument *document, Inkscape::XML::Node *repr);
+static void sp_lpe_item_release(SPObject *object);
+static void sp_lpe_item_set(SPObject *object, unsigned int key, gchar const *value);
+static void sp_lpe_item_update(SPObject *object, SPCtx *ctx, guint flags);
+static void sp_lpe_item_modified (SPObject *object, unsigned int flags);
+static Inkscape::XML::Node *sp_lpe_item_write(SPObject *object, Inkscape::XML::Node *repr, guint flags);
+
+static void sp_lpe_item_child_added (SPObject * object, Inkscape::XML::Node * child, Inkscape::XML::Node * ref);
+static void sp_lpe_item_remove_child (SPObject * object, Inkscape::XML::Node * child);
+
+static void lpeobject_ref_changed(SPObject *old_ref, SPObject *ref, SPLPEItem *lpeitem);
+static void lpeobject_ref_modified(SPObject *href, guint flags, SPLPEItem *lpeitem);
+
+static void sp_lpe_item_create_original_path_recursive(SPLPEItem *lpeitem);
+static void sp_lpe_item_cleanup_original_path_recursive(SPLPEItem *lpeitem);
+
+static SPItemClass *parent_class;
+
+GType
+sp_lpe_item_get_type()
+{
+ static GType lpe_item_type = 0;
+
+ if (!lpe_item_type) {
+ GTypeInfo lpe_item_info = {
+ sizeof(SPLPEItemClass),
+ NULL, NULL,
+ (GClassInitFunc) sp_lpe_item_class_init,
+ NULL, NULL,
+ sizeof(SPLPEItem),
+ 16,
+ (GInstanceInitFunc) sp_lpe_item_init,
+ NULL, /* value_table */
+ };
+ lpe_item_type = g_type_register_static(SP_TYPE_ITEM, "SPLPEItem", &lpe_item_info, (GTypeFlags)0);
+ }
+ return lpe_item_type;
+}
+
+static void
+sp_lpe_item_class_init(SPLPEItemClass *klass)
+{
+ GObjectClass *gobject_class;
+ SPObjectClass *sp_object_class;
+
+ gobject_class = (GObjectClass *) klass;
+ sp_object_class = (SPObjectClass *) klass;
+ parent_class = (SPItemClass *)g_type_class_peek_parent (klass);
+
+ gobject_class->finalize = sp_lpe_item_finalize;
+
+ sp_object_class->build = sp_lpe_item_build;
+ sp_object_class->release = sp_lpe_item_release;
+ sp_object_class->set = sp_lpe_item_set;
+ sp_object_class->update = sp_lpe_item_update;
+ sp_object_class->modified = sp_lpe_item_modified;
+ sp_object_class->write = sp_lpe_item_write;
+ sp_object_class->child_added = sp_lpe_item_child_added;
+ sp_object_class->remove_child = sp_lpe_item_remove_child;
+
+ klass->update_patheffect = NULL;
+}
+
+static void
+sp_lpe_item_init(SPLPEItem *lpeitem)
+{
+ lpeitem->path_effect_ref = new Inkscape::LivePathEffect::LPEObjectReference(SP_OBJECT(lpeitem));
+ new (&lpeitem->lpe_modified_connection) sigc::connection();
+}
+
+static void
+sp_lpe_item_finalize(GObject *object)
+{
+ if (((GObjectClass *) (parent_class))->finalize) {
+ (* ((GObjectClass *) (parent_class))->finalize)(object);
+ }
+}
+
+/**
+ * Reads the Inkscape::XML::Node, and initializes SPLPEItem variables. For this to get called,
+ * our name must be associated with a repr via "sp_object_type_register". Best done through
+ * sp-object-repr.cpp's repr_name_entries array.
+ */
+static void
+sp_lpe_item_build(SPObject *object, SPDocument *document, Inkscape::XML::Node *repr)
+{
+ SP_LPE_ITEM(object)->path_effect_ref->changedSignal().connect(sigc::bind(sigc::ptr_fun(lpeobject_ref_changed), SP_LPE_ITEM(object)));
+
+ sp_object_read_attr(object, "inkscape:path-effect");
+
+ if (((SPObjectClass *) parent_class)->build) {
+ ((SPObjectClass *) parent_class)->build(object, document, repr);
+ }
+}
+
+/**
+ * Drops any allocated memory.
+ */
+static void
+sp_lpe_item_release(SPObject *object)
+{
+ SPLPEItem *lpeitem;
+ lpeitem = (SPLPEItem *) object;
+
+ lpeitem->path_effect_ref->detach();
+
+ lpeitem->lpe_modified_connection.disconnect();
+ lpeitem->lpe_modified_connection.~connection();
+
+ if (((SPObjectClass *) parent_class)->release)
+ ((SPObjectClass *) parent_class)->release(object);
+}
+
+/**
+ * Sets a specific value in the SPLPEItem.
+ */
+static void
+sp_lpe_item_set(SPObject *object, unsigned int key, gchar const *value)
+{
+ SPLPEItem *lpeitem = (SPLPEItem *) object;
+
+ switch (key) {
+ case SP_ATTR_INKSCAPE_PATH_EFFECT:
+ if ( value && lpeitem->path_effect_ref->lpeobject_href
+ && ( strcmp(value, lpeitem->path_effect_ref->lpeobject_href) == 0 ) ) {
+ /* No change, do nothing. */
+ } else {
+ if (value) {
+ // Now do the attaching, which emits the changed signal.
+ try {
+ lpeitem->path_effect_ref->link((gchar*)value);
+ } catch (Inkscape::BadURIException &e) {
+ g_warning("%s", e.what());
+ lpeitem->path_effect_ref->detach();
+ }
+ } else {
+ // Detach, which emits the changed signal.
+ lpeitem->path_effect_ref->detach();
+ }
+ }
+ break;
+ default:
+ if (((SPObjectClass *) parent_class)->set) {
+ ((SPObjectClass *) parent_class)->set(object, key, value);
+ }
+ break;
+ }
+}
+
+/**
+ * Receives update notifications.
+ */
+static void
+sp_lpe_item_update(SPObject *object, SPCtx *ctx, guint flags)
+{
+ if (((SPObjectClass *) parent_class)->update) {
+ ((SPObjectClass *) parent_class)->update(object, ctx, flags);
+ }
+}
+
+/**
+ * Sets modified flag for all sub-item views.
+ */
+static void
+sp_lpe_item_modified (SPObject *object, unsigned int flags)
+{
+ if (((SPObjectClass *) (parent_class))->modified) {
+ (* ((SPObjectClass *) (parent_class))->modified) (object, flags);
+ }
+}
+
+/**
+ * Writes its settings to an incoming repr object, if any.
+ */
+static Inkscape::XML::Node *
+sp_lpe_item_write(SPObject *object, Inkscape::XML::Node *repr, guint flags)
+{
+ SPLPEItem *lpeitem = (SPLPEItem *) object;
+
+ if ( sp_lpe_item_has_path_effect(lpeitem) ) {
+ repr->setAttribute("inkscape:path-effect", lpeitem->path_effect_ref->lpeobject_href);
+ } else {
+ repr->setAttribute("inkscape:path-effect", NULL);
+ }
+
+ if (((SPObjectClass *)(parent_class))->write) {
+ ((SPObjectClass *)(parent_class))->write(object, repr, flags);
+ }
+
+ return repr;
+}
+
+
+LivePathEffectObject *
+sp_lpe_item_get_livepatheffectobject(SPLPEItem *lpeitem) {
+ if (!lpeitem) return NULL;
+
+ if (sp_lpe_item_has_path_effect(lpeitem)) {
+ return lpeitem->path_effect_ref->lpeobject;
+ } else {
+ return NULL;
+ }
+}
+
+Inkscape::LivePathEffect::Effect *
+sp_lpe_item_get_livepatheffect(SPLPEItem *lpeitem) {
+ if (!lpeitem) return NULL;
+
+ LivePathEffectObject * lpeobj = sp_lpe_item_get_livepatheffectobject(lpeitem);
+ if (lpeobj)
+ return lpeobj->lpe;
+ else
+ return NULL;
+}
+
+void sp_lpe_item_perform_path_effect(SPLPEItem *lpeitem, SPCurve *curve) {
+ if (!lpeitem) return;
+ if (!curve) return;
+
+ if (sp_lpe_item_has_path_effect(lpeitem)) {
+ LivePathEffectObject *lpeobj = sp_lpe_item_get_livepatheffectobject(lpeitem);
+ lpeobj->lpe->doEffect(curve);
+ }
+
+ SPObject *parent = lpeitem->parent;
+ if (parent && SP_IS_LPE_ITEM(parent))
+ sp_lpe_item_perform_path_effect(SP_LPE_ITEM(parent), curve);
+}
+
+/**
+ * Calls any registered handlers for the update_patheffect action
+ */
+void
+sp_lpe_item_update_patheffect (SPLPEItem *lpeitem, bool write)
+{
+#ifdef SHAPE_VERBOSE
+ g_message("sp_lpe_item_update_patheffect: %p\n", lpeitem);
+#endif
+ g_return_if_fail (lpeitem != NULL);
+ g_return_if_fail (SP_IS_LPE_ITEM (lpeitem));
+
+ if (sp_lpe_item_has_path_effect(lpeitem)) {
+ LivePathEffectObject *lpeobj = sp_lpe_item_get_livepatheffectobject(lpeitem);
+ lpeobj->lpe->doBeforeEffect(lpeitem);
+ }
+
+ if (SP_LPE_ITEM_CLASS (G_OBJECT_GET_CLASS (lpeitem))->update_patheffect) {
+ SP_LPE_ITEM_CLASS (G_OBJECT_GET_CLASS (lpeitem))->update_patheffect (lpeitem, write);
+ }
+}
+
+/**
+ * Gets called when (re)attached to another lpeobject.
+ */
+static void
+lpeobject_ref_changed(SPObject *old_ref, SPObject *ref, SPLPEItem *lpeitem)
+{
+ if (old_ref) {
+ sp_signal_disconnect_by_data(old_ref, lpeitem);
+ }
+ if ( IS_LIVEPATHEFFECT(ref) && ref != lpeitem )
+ {
+ lpeitem->lpe_modified_connection.disconnect();
+ lpeitem->lpe_modified_connection = ref->connectModified(sigc::bind(sigc::ptr_fun(&lpeobject_ref_modified), lpeitem));
+ lpeobject_ref_modified(ref, 0, lpeitem);
+ }
+}
+
+/**
+ * Gets called when lpeobject repr contents change: i.e. parameter change.
+ */
+static void
+lpeobject_ref_modified(SPObject */*href*/, guint /*flags*/, SPLPEItem *lpeitem)
+{
+ sp_lpe_item_update_patheffect (lpeitem, true);
+}
+
+static void
+sp_lpe_item_create_original_path_recursive(SPLPEItem *lpeitem)
+{
+ if (SP_IS_GROUP(lpeitem)) {
+ GSList const *item_list = sp_item_group_item_list(SP_GROUP(lpeitem));
+ for ( GSList const *iter = item_list; iter; iter = iter->next ) {
+ SPObject *subitem = static_cast<SPObject *>(iter->data);
+ if (SP_IS_LPE_ITEM(subitem)) {
+ sp_lpe_item_create_original_path_recursive(SP_LPE_ITEM(subitem));
+ }
+ }
+ }
+ else if (SP_IS_PATH(lpeitem)) {
+ Inkscape::XML::Node *pathrepr = SP_OBJECT_REPR(lpeitem);
+ if ( !pathrepr->attribute("inkscape:original-d") ) {
+ pathrepr->setAttribute("inkscape:original-d", pathrepr->attribute("d"));
+ }
+ }
+}
+
+static void
+sp_lpe_item_cleanup_original_path_recursive(SPLPEItem *lpeitem)
+{
+ if (SP_IS_GROUP(lpeitem)) {
+ GSList const *item_list = sp_item_group_item_list(SP_GROUP(lpeitem));
+ for ( GSList const *iter = item_list; iter; iter = iter->next ) {
+ SPObject *subitem = static_cast<SPObject *>(iter->data);
+ if (SP_IS_LPE_ITEM(subitem)) {
+ sp_lpe_item_cleanup_original_path_recursive(SP_LPE_ITEM(subitem));
+ }
+ }
+ }
+ else if (SP_IS_PATH(lpeitem)) {
+ Inkscape::XML::Node *repr = SP_OBJECT_REPR(lpeitem);
+ if (!sp_lpe_item_has_path_effect_recursive(lpeitem)
+ && repr->attribute("inkscape:original-d")) {
+ repr->setAttribute("d", repr->attribute("inkscape:original-d"));
+ repr->setAttribute("inkscape:original-d", NULL);
+ }
+ else {
+ sp_lpe_item_update_patheffect(lpeitem, true);
+ }
+ }
+}
+
+void sp_lpe_item_set_path_effect(SPLPEItem *lpeitem, gchar *value)
+{
+ if (!value) {
+ sp_lpe_item_remove_path_effect(lpeitem, false);
+ } else {
+ SP_OBJECT_REPR(lpeitem)->setAttribute("inkscape:path-effect", value);
+
+ // make sure there is an original-d for paths!!!
+ sp_lpe_item_create_original_path_recursive(lpeitem);
+ }
+}
+
+void sp_lpe_item_set_path_effect(SPLPEItem *lpeitem, LivePathEffectObject * new_lpeobj)
+{
+ const gchar * repr_id = SP_OBJECT_REPR(new_lpeobj)->attribute("id");
+ gchar *hrefstr = g_strdup_printf("#%s", repr_id);
+ sp_lpe_item_set_path_effect(lpeitem, hrefstr);
+ g_free(hrefstr);
+}
+
+void sp_lpe_item_remove_path_effect(SPLPEItem *lpeitem, bool keep_paths)
+{
+ Inkscape::XML::Node *repr = SP_OBJECT_REPR(lpeitem);
+ repr->setAttribute("inkscape:path-effect", NULL);
+
+ if (!keep_paths) {
+ sp_lpe_item_cleanup_original_path_recursive(lpeitem);
+ }
+}
+
+bool sp_lpe_item_has_path_effect(SPLPEItem *lpeitem)
+{
+ return lpeitem->path_effect_ref && lpeitem->path_effect_ref->lpeobject;
+}
+
+bool sp_lpe_item_has_path_effect_recursive(SPLPEItem *lpeitem)
+{
+ SPObject *parent = lpeitem->parent;
+ if (parent && SP_IS_LPE_ITEM(parent)) {
+ return sp_lpe_item_has_path_effect(lpeitem) || sp_lpe_item_has_path_effect_recursive(SP_LPE_ITEM(parent));
+ }
+ else {
+ return sp_lpe_item_has_path_effect(lpeitem);
+ }
+}
+
+void sp_lpe_item_edit_next_param_oncanvas(SPLPEItem *lpeitem, SPDesktop *dt)
+{
+ LivePathEffectObject *lpeobj = sp_lpe_item_get_livepatheffectobject(lpeitem);
+ if (lpeobj && lpeobj->lpe) {
+ lpeobj->lpe->editNextParamOncanvas(SP_ITEM(lpeitem), dt);
+ }
+}
+
+static void
+sp_lpe_item_child_added (SPObject *object, Inkscape::XML::Node *child, Inkscape::XML::Node *ref)
+{
+ if (((SPObjectClass *) (parent_class))->child_added)
+ (* ((SPObjectClass *) (parent_class))->child_added) (object, child, ref);
+
+ if (SP_IS_LPE_ITEM(object) && sp_lpe_item_has_path_effect_recursive(SP_LPE_ITEM(object))) {
+ SPObject *ochild = sp_object_get_child_by_repr(object, child);
+ if ( ochild && SP_IS_LPE_ITEM(ochild) ) {
+ sp_lpe_item_create_original_path_recursive(SP_LPE_ITEM(ochild));
+ }
+ }
+}
+
+static void
+sp_lpe_item_remove_child (SPObject * object, Inkscape::XML::Node * child)
+{
+ if (SP_IS_LPE_ITEM(object) && sp_lpe_item_has_path_effect_recursive(SP_LPE_ITEM(object))) {
+ SPObject *ochild = sp_object_get_child_by_repr(object, child);
+ if ( ochild && SP_IS_LPE_ITEM(ochild) ) {
+ sp_lpe_item_cleanup_original_path_recursive(SP_LPE_ITEM(ochild));
+ }
+ }
+
+ if (((SPObjectClass *) (parent_class))->remove_child)
+ (* ((SPObjectClass *) (parent_class))->remove_child) (object, child);
+}
+
+/*
+ Local Variables:
+ mode:c++
+ c-file-style:"stroustrup"
+ c-file-offsets:((innamespace . 0)(inline-open . 0)(case-label . +))
+ indent-tabs-mode:nil
+ fill-column:99
+ End:
+*/
+// vim: filetype=cpp:expandtab:shiftwidth=4:tabstop=8:softtabstop=4:encoding=utf-8:textwidth=99 :
diff --git a/src/sp-lpe-item.h b/src/sp-lpe-item.h
index a818eeb53000c31345ed7addb06edb616a28b55e..d05b75cd09378fc5c79cc27582186440c7b8991a 100644 (file)
--- a/src/sp-lpe-item.h
+++ b/src/sp-lpe-item.h
-#ifndef SP_LPE_ITEM_H_SEEN\r
-#define SP_LPE_ITEM_H_SEEN\r
-\r
-/** \file\r
- * Base class for live path effect items\r
- */\r
-/*\r
- * Authors:\r
- * Johan Engelen <j.b.c.engelen@ewi.utwente.nl>\r
- * Bastien Bouclet <bgkweb@gmail.com>\r
- *\r
- * Copyright (C) 2008 authors\r
- *\r
- * Released under GNU GPL, read the file 'COPYING' for more information\r
- */\r
-\r
-#include "sp-item.h"\r
-#include "display/curve.h"\r
-\r
-#define SP_TYPE_LPE_ITEM (sp_lpe_item_get_type())\r
-#define SP_LPE_ITEM(o) (G_TYPE_CHECK_INSTANCE_CAST((o), SP_TYPE_LPE_ITEM, SPLPEItem))\r
-#define SP_LPE_ITEM_CLASS(klass) (G_TYPE_CHECK_CLASS_CAST ((klass), SP_TYPE_LPE_ITEM, SPLPEItemClass))\r
-#define SP_IS_LPE_ITEM(o) (G_TYPE_CHECK_INSTANCE_TYPE((o), SP_TYPE_LPE_ITEM))\r
-#define SP_IS_LPE_ITEM_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE ((klass), SP_TYPE_LPE_ITEM))\r
-\r
-struct LivePathEffectObject;\r
-namespace Inkscape{ \r
-namespace LivePathEffect{\r
- class LPEObjectReference;\r
- class Effect;\r
-};\r
-};\r
-\r
-struct SPLPEItem : public SPItem {\r
- Inkscape::LivePathEffect::LPEObjectReference *path_effect_ref;\r
- sigc::connection lpe_modified_connection;\r
-};\r
-\r
-struct SPLPEItemClass {\r
- SPItemClass parent_class;\r
-\r
- void (* update_patheffect) (SPLPEItem *lpeitem, bool write);\r
-};\r
-\r
-GType sp_lpe_item_get_type();\r
-\r
-LivePathEffectObject * sp_lpe_item_get_livepatheffectobject(SPLPEItem *lpeitem);\r
-Inkscape::LivePathEffect::Effect * sp_lpe_item_get_livepatheffect(SPLPEItem *lpeitem);\r
-void sp_lpe_item_update_patheffect (SPLPEItem *lpeitem, bool write);\r
-void sp_lpe_item_perform_path_effect(SPLPEItem *lpeitem, SPCurve *curve);\r
-void sp_lpe_item_set_path_effect(SPLPEItem *lpeitem, gchar *value);\r
-void sp_lpe_item_set_path_effect(SPLPEItem *lpeitem, LivePathEffectObject * new_lpeobj);\r
-void sp_lpe_item_remove_path_effect(SPLPEItem *lpeitem, bool keep_paths);\r
-bool sp_lpe_item_has_path_effect(SPLPEItem *lpeitem);\r
-bool sp_lpe_item_has_path_effect_recursive(SPLPEItem *lpeitem);\r
-void sp_lpe_item_edit_next_param_oncanvas(SPLPEItem *lpeitem, SPDesktop *dt);\r
-\r
-#endif /* !SP_LPE_ITEM_H_SEEN */\r
-\r
-/*\r
- Local Variables:\r
- mode:c++\r
- c-file-style:"stroustrup"\r
- c-file-offsets:((innamespace . 0)(inline-open . 0)(case-label . +))\r
- indent-tabs-mode:nil\r
- fill-column:99\r
- End:\r
-*/\r
-// vim: filetype=cpp:expandtab:shiftwidth=4:tabstop=8:softtabstop=4:encoding=utf-8:textwidth=99 :\r
+#ifndef SP_LPE_ITEM_H_SEEN
+#define SP_LPE_ITEM_H_SEEN
+
+/** \file
+ * Base class for live path effect items
+ */
+/*
+ * Authors:
+ * Johan Engelen <j.b.c.engelen@ewi.utwente.nl>
+ * Bastien Bouclet <bgkweb@gmail.com>
+ *
+ * Copyright (C) 2008 authors
+ *
+ * Released under GNU GPL, read the file 'COPYING' for more information
+ */
+
+#include "sp-item.h"
+#include "display/curve.h"
+
+#define SP_TYPE_LPE_ITEM (sp_lpe_item_get_type())
+#define SP_LPE_ITEM(o) (G_TYPE_CHECK_INSTANCE_CAST((o), SP_TYPE_LPE_ITEM, SPLPEItem))
+#define SP_LPE_ITEM_CLASS(klass) (G_TYPE_CHECK_CLASS_CAST ((klass), SP_TYPE_LPE_ITEM, SPLPEItemClass))
+#define SP_IS_LPE_ITEM(o) (G_TYPE_CHECK_INSTANCE_TYPE((o), SP_TYPE_LPE_ITEM))
+#define SP_IS_LPE_ITEM_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE ((klass), SP_TYPE_LPE_ITEM))
+
+struct LivePathEffectObject;
+namespace Inkscape{
+namespace LivePathEffect{
+ class LPEObjectReference;
+ class Effect;
+};
+};
+
+struct SPLPEItem : public SPItem {
+ Inkscape::LivePathEffect::LPEObjectReference *path_effect_ref;
+ sigc::connection lpe_modified_connection;
+};
+
+struct SPLPEItemClass {
+ SPItemClass parent_class;
+
+ void (* update_patheffect) (SPLPEItem *lpeitem, bool write);
+};
+
+GType sp_lpe_item_get_type();
+
+LivePathEffectObject * sp_lpe_item_get_livepatheffectobject(SPLPEItem *lpeitem);
+Inkscape::LivePathEffect::Effect * sp_lpe_item_get_livepatheffect(SPLPEItem *lpeitem);
+void sp_lpe_item_update_patheffect (SPLPEItem *lpeitem, bool write);
+void sp_lpe_item_perform_path_effect(SPLPEItem *lpeitem, SPCurve *curve);
+void sp_lpe_item_set_path_effect(SPLPEItem *lpeitem, gchar *value);
+void sp_lpe_item_set_path_effect(SPLPEItem *lpeitem, LivePathEffectObject * new_lpeobj);
+void sp_lpe_item_remove_path_effect(SPLPEItem *lpeitem, bool keep_paths);
+bool sp_lpe_item_has_path_effect(SPLPEItem *lpeitem);
+bool sp_lpe_item_has_path_effect_recursive(SPLPEItem *lpeitem);
+void sp_lpe_item_edit_next_param_oncanvas(SPLPEItem *lpeitem, SPDesktop *dt);
+
+#endif /* !SP_LPE_ITEM_H_SEEN */
+
+/*
+ Local Variables:
+ mode:c++
+ c-file-style:"stroustrup"
+ c-file-offsets:((innamespace . 0)(inline-open . 0)(case-label . +))
+ indent-tabs-mode:nil
+ fill-column:99
+ End:
+*/
+// vim: filetype=cpp:expandtab:shiftwidth=4:tabstop=8:softtabstop=4:encoding=utf-8:textwidth=99 :