/***************************************************************************** * * This file is part of Mapnik (c+mapping toolkit) * * Copyright (C) 2006 Artem Pavlenko, Jean-Francois Doyon * * This library is free software; you can redistribute it and/or * modify it under the terms of the GNU Lesser General Public * License as published by the Free Software Foundation; either * version 2.1 of the License, or (at your option) any later version. * * This library 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 * Lesser General Public License for more details. * * You should have received a copy of the GNU Lesser General Public * License along with this library; if not, write to the Free Software * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA * *****************************************************************************/ // boost #include <boost/python.hpp> // mapnik #include <mapnik/stroke.hpp> #include "mapnik_enumeration.hpp" using namespace mapnik; namespace { using namespace boost::python; list get_dashes_list(stroke const& stroke) { list l; if (stroke.has_dash()) { mapnik::dash_array const& dash = stroke.get_dash_array(); mapnik::dash_array::const_iterator iter = dash.begin(); mapnik::dash_array::const_iterator end = dash.end(); for (; iter != end; ++iter) { l.append(make_tuple(iter->first, iter->second)); } } return l; } void set_dasharray(stroke & stroke, list const& l) { for (int i=0; i<len(l); ++i) { boost::python::tuple dash = extract<boost::python::tuple>(l[i]); if (len(dash) == 2) { double d1 = extract<double>(dash[0]); double d2 = extract<double>(dash[1]); stroke.add_dash(d1,d2); } } } } void export_stroke () { using namespace boost::python; enumeration_<line_cap_e>("line_cap", "The possible values for a line cap used when drawing\n" "with a stroke.\n") .value("BUTT_CAP",BUTT_CAP) .value("SQUARE_CAP",SQUARE_CAP) .value("ROUND_CAP",ROUND_CAP) ; enumeration_<line_join_e>("line_join", "The possible values for the line joining mode\n" "when drawing with a stroke.\n") .value("MITER_JOIN",MITER_JOIN) .value("MITER_REVERT_JOIN",MITER_REVERT_JOIN) .value("ROUND_JOIN",ROUND_JOIN) .value("BEVEL_JOIN",BEVEL_JOIN) ; class_<stroke>("Stroke",init<>( "Creates a new default black stroke with the width of 1.\n")) .def(init<color,float>( (arg("color"),arg("width")), "Creates a new stroke object with a specified color and width.\n") ) .add_property("color",make_function (&stroke::get_color,return_value_policy<copy_const_reference>()), &stroke::set_color, "Gets or sets the stroke color.\n" "Returns a new Color object on retrieval.\n") .add_property("width", &stroke::get_width, &stroke::set_width, "Gets or sets the stroke width in pixels.\n") .add_property("opacity", &stroke::get_opacity, &stroke::set_opacity, "Gets or sets the opacity of this stroke.\n" "The value is a float between 0 and 1.\n") .add_property("gamma", &stroke::get_gamma, &stroke::set_gamma, "Gets or sets the gamma of this stroke.\n" "The value is a float between 0 and 1.\n") .add_property("gamma_method", &stroke::get_gamma_method, &stroke::set_gamma_method, "Set/get the gamma correction method of this stroke") .add_property("line_cap", &stroke::get_line_cap, &stroke::set_line_cap, "Gets or sets the line cap of this stroke. (alias of linecap)\n") .add_property("linecap", &stroke::get_line_cap, &stroke::set_line_cap, "Gets or sets the linecap of this stroke.\n") .add_property("line_join", &stroke::get_line_join, &stroke::set_line_join, "Returns the line join mode of this stroke. (alias of linejoin)\n") .add_property("linejoin", &stroke::get_line_join, &stroke::set_line_join, "Returns the linejoin mode of this stroke.\n") .add_property("miterlimit", &stroke::get_miterlimit, &stroke::set_miterlimit, "Returns the miterlimit mode of this stroke.\n") .def("add_dash",&stroke::add_dash, (arg("length"),arg("gap")), "Adds a dash segment to the dash patterns of this stroke.\n") .def("get_dashes", get_dashes_list, "Returns the list of dash segments for this stroke.\n") .add_property("dasharray", get_dashes_list, set_dasharray, "Gets or sets dasharray string of this stroke. (alternate property to add_dash/get_dashes)\n") .add_property("dash_offset", &stroke::dash_offset, &stroke::set_dash_offset, "Gets or sets dash offset of this stroke. (alias of dashoffet)\n") .add_property("dashoffset", &stroke::dash_offset, &stroke::set_dash_offset, "Gets or sets dash offset of this stroke.\n") ; }