# -*- python -*- # -*- coding: utf-8 -*- # # Gramps - a GTK+/GNOME based genealogy program # # Copyright (C) 2011-2012 Serge Noiraud # # This program 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 program 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. # # You should have received a copy of the GNU General Public License # along with this program; if not, write to the Free Software # Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA # # $Id: grampsmaps.py 18399 2011-11-02 17:15:20Z noirauds $ #------------------------------------------------------------------------- # # Python modules # #------------------------------------------------------------------------- import os import gobject from math import * #------------------------------------------------------------------------ # # Set up logging # #------------------------------------------------------------------------ import logging _LOG = logging.getLogger("maps.lifeway") #------------------------------------------------------------------------- # # GTK/Gnome modules # #------------------------------------------------------------------------- import gtk #------------------------------------------------------------------------- # # Gramps Modules # #------------------------------------------------------------------------- import const import cairo #------------------------------------------------------------------------- # # osmGpsMap # #------------------------------------------------------------------------- try: import osmgpsmap except: raise class LifeWayLayer(gobject.GObject, osmgpsmap.GpsMapLayer): """ This is the layer used to display tracks or the life way for one or several individuals. """ def __init__(self): """ Initialize the layer """ gobject.GObject.__init__(self) self.lifeways_ref = [] self.lifeways = [] self.lifeways_comment = [] self.comments = [] def clear_ways(self): """ reset the layer attributes. """ self.lifeways_ref = [] self.lifeways = [] self.lifeways_comment = [] self.comments = [] def add_way_ref(self, points, color, radius): """ Add a track or life way. alpha is the transparence radius is the size of the track. """ self.lifeways_ref.append((points, color, radius)) def add_way(self, points, color): """ Add a track or life way. """ self.lifeways.append((points, color)) def add_text(self, points, text): """ Add a text to the track or life way. """ self.lifeways_comment.append((points, text)) def do_draw(self, gpsmap, drawable): """ Draw all tracks or life ways. """ ctx = drawable.cairo_create() for lifeway in self.lifeways_ref: ctx.set_line_cap(cairo.LINE_CAP_ROUND) ctx.set_line_join(cairo.LINE_JOIN_ROUND) ctx.set_line_width(3) color = gtk.gdk.color_parse(lifeway[1]) ctx.set_source_rgba(color.red / 65535, color.green / 65535, color.blue / 65535, 0.1) # transparency ggc = drawable.new_gc() rds = float(lifeway[2]) for point in lifeway[0]: conv_pt1 = osmgpsmap.point_new_degrees(point[0], point[1]) coord_x1, coord_y1 = gpsmap.convert_geographic_to_screen(conv_pt1) conv_pt2 = osmgpsmap.point_new_degrees(point[0]+rds, point[1]) coord_x2, coord_y2 = gpsmap.convert_geographic_to_screen(conv_pt2) coy = abs(coord_y2-coord_y1) conv_pt2 = osmgpsmap.point_new_degrees(point[0], point[1]+rds) coord_x2, coord_y2 = gpsmap.convert_geographic_to_screen(conv_pt2) cox = abs(coord_x2-coord_x1) cox = cox if cox > 0.001 else 0.001 coy = coy if coy > 0.001 else 0.001 coz = abs( 1.0 / float(cox) * float(coy) ) coz = coz if coz > 0.001 else 0.001 ctx.save() ctx.scale(1.0,coz) ctx.move_to(coord_x1, coord_y1) ctx.translate(coord_x1, coord_y1/coz) ctx.arc(0.0, 0.0, cox, 0.0, 2*pi) ctx.fill() ctx.restore() top_left = osmgpsmap.point_new_degrees(point[0] + lifeway[2], point[1] - lifeway[2]) bottom_right = osmgpsmap.point_new_degrees(point[0] - lifeway[2], point[1] + lifeway[2]) crd_x, crd_y = gpsmap.convert_geographic_to_screen(top_left) crd_x2, crd_y2 = gpsmap.convert_geographic_to_screen(bottom_right) drawable.draw_arc(ggc, False, crd_x, crd_y, crd_x2 - crd_x, crd_y2 - crd_y, 0, 360*64) for lifeway in self.lifeways: ctx.set_operator(cairo.OPERATOR_ATOP) ctx.set_line_width(3.0) map_points = [] for point in lifeway[0]: conv_pt = osmgpsmap.point_new_degrees(point[0], point[1]) coord_x, coord_y = gpsmap.convert_geographic_to_screen(conv_pt) map_points.append((coord_x, coord_y)) color = gtk.gdk.color_parse(lifeway[1]) ctx.set_source_rgb(color.red / 65535, color.green / 65535, color.blue / 65535) first = True for idx_pt in range(0, len(map_points)): if first: first = False ctx.move_to(map_points[idx_pt][0], map_points[idx_pt][1]) else: ctx.line_to(map_points[idx_pt][0], map_points[idx_pt][1]) ctx.stroke() if len(map_points) == 1 : # We have only one point crdx = map_points[0][0] crdy = map_points[0][1] ctx.move_to(crdx, crdy) ctx.line_to(crdx + 1, crdy + 1) ctx.stroke() for comment in self.lifeways_comment: ctx = drawable.cairo_create() # Does the following font is available for all language ? Is it the good one ? ctx.select_font_face("Purisa", cairo.FONT_SLANT_NORMAL, cairo.FONT_WEIGHT_NORMAL) ctx.set_font_size(13) points = comment[0] conv_pt = osmgpsmap.point_new_degrees(points[0][0], points[0][1]) if len(points) > 1 : crd_x = -(points[0][0] - points[len(points)-1][0] )/2 crd_y = -(points[0][1] - points[len(points)-1][1] )/2 conv_pt = osmgpsmap.point_new_degrees(points[0][0]+crd_x, points[0][1]+crd_y) coord_x, coord_y = gpsmap.convert_geographic_to_screen(conv_pt) ctx.move_to(coord_x, coord_y) ctx.show_text(comment[1]) def do_render(self, gpsmap): """ render the layer """ pass def do_busy(self): """ set the layer busy """ return False def do_button_press(self, gpsmap, gdkeventbutton): """ When we press a button. """ return False gobject.type_register(LifeWayLayer)