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530 lines
19 KiB
Python
530 lines
19 KiB
Python
#!/usr/bin/python
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#coding=utf8
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'''
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This program is free software: you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation, either version 3 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program. If not, see <http://www.gnu.org/licenses/>.
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'''
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#TODO: restructure tile loading
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#TODO: add wikipedia geotagging
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#TODO: add dynamic preloading
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#TODO: add gps connection
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import os
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import sys
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from e_dbus import DBusEcoreMainLoop
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import evas
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import evas.decorators
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import edje
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import edje.decorators
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import ecore
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import ecore.evas
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from dbus import SystemBus, Interface
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import time
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import math
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from urllib2 import build_opener
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from freesmartphone import DBUS_NAME, DIN_LOCATION
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from base import dedbusmap
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def err(*data):
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print 'err', data
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class PylgrimMap(object):
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def __init__(self):
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self.opener = build_opener()
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def download(self, x, y, zoom):
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filename = "%d/%d/%d.png"%(zoom, x, y)
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print 'download', filename
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try:
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dirname = "%d/%d"%(zoom, x)
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if not os.path.exists(dirname):
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os.makedirs(dirname)
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localFile = open(filename, 'w')
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webFile = self.opener.open("http://a.tile.openstreetmap.org/%d/%d/%d.png"%(zoom, x, y))
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localFile.write(webFile.read())
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webFile.close()
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localFile.close()
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except Exception, e:
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print 'download error', e
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if os.path.exists(filename):
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os.unlink(filename)
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class PylgrimView(edje.Edje, PylgrimMap):
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class Tile(evas.Image):
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def __init__(self, canvas):
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evas.Image.__init__(self, canvas)
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self.pass_events = True
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self.show()
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#we need this to store the original position while the zoom animations
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self.position = (0, 0)
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def set_position(self, x, y):
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self.position = (x, y)
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self.move(x, y)
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class Mark(evas.Image):
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def __init__(self, canvas):
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evas.Image.__init__(self, canvas)
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self.pass_events = True
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self.show()
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#we need this to store the original position while the zoom animations
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self.position = (0, 0)
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def set_position(self, x, y):
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self.position = (x, y)
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self.move(x, y)
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def __init__(self, evas_canvas, filename, latitude, longitude, zoom=10, offline=False, use_overlay=True):
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PylgrimMap.__init__(self)
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self.evas_canvas = evas_canvas
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self.offline = offline
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self.use_overlay = use_overlay
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edje.Edje.__init__(self, self.evas_canvas.evas_obj.evas, file=filename, group="pylgrim")
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self.size = self.evas_canvas.evas_obj.evas.size
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self.on_key_down_add(self.on_key_down)
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self.on_key_up_add(self.on_key_up)
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self.focus = True
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self.evas_canvas.evas_obj.data["pylgrim"] = self
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self.show()
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#mouse position
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self.x_pos, self.y_pos = (0, 0)
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#global variable for zooming
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self.zoom_step = 0.0
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#global list for tiles to download
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self.tiles_to_download = []
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self.tiles_to_download_total = 0
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self.tiles_to_preload = []
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#initial latitude, longitude, zoom
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self.latitude = latitude
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self.longitude = longitude
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self.x = 0
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self.y = 0
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self.zoom = zoom
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self.offset_x = 0
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self.offset_y = 0
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self.icons = []
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self.overlay = edje.Edje(self.evas_canvas.evas_obj.evas, file=filename, group='overlay')
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self.overlay.size = self.evas_canvas.evas_obj.evas.size
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self.overlay.layer = 2
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self.evas_canvas.evas_obj.data["overlay"] = self.overlay
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self.overlay.show()
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if self.use_overlay:
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self.progress_bg = evas.Rectangle(self.evas_canvas.evas_obj.evas)
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self.progress_bg.geometry = 0, 0, 0, 0
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self.progress_bg.color = 255, 255, 255, 255
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self.progress_bg.layer = 3
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self.progress_bg.show()
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self.progress = evas.Rectangle(self.evas_canvas.evas_obj.evas)
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self.progress.geometry = 0, 0, 0, 0
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self.progress.color = 255, 0, 0, 255
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self.progress.layer = 4
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self.progress.show()
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'''
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self.menu = edje.Edje(self.evas_canvas.evas_obj.evas, file=filename, group='menu')
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self.menu.size = self.evas_canvas.evas_obj.evas.size
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self.menu.layer = 4
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self.evas_canvas.evas_obj.data["menu"] = self.menu
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self.menu.show()
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'''
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#calculate size of tile raster
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self.border_x = int(math.ceil(self.size[0]/256.0))
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self.border_y = int(math.ceil(self.size[1]/256.0))
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self.mouse_down = False
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self.animate = False
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self.set_current_tile(self.latitude, self.longitude, zoom)
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'''
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self.marker = PylgrimView.Mark(self.evas_canvas.evas_obj.evas)
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self.marker.file_set("blue-dot.png")
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self.marker.latitude = 49.073866
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self.marker.longitude = 8.184814
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self.marker.size_set(32, 32)
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self.marker.fill_set(0, 0, 32, 32)
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self.marker.x = (self.marker.longitude+180)/360 * 2**self.zoom
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self.marker.y = (1-math.log(math.tan(self.marker.latitude*math.pi/180) + 1/math.cos(self.marker.latitude*math.pi/180))/math.pi)/2 * 2**self.zoom
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self.marker.offset_x, self.marker.offset_y = int((self.marker.x-int(self.marker.x))*256), int((self.marker.y-int(self.marker.y))*256)
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self.marker.set_position(self.size[0]/2-16+256*(int(self.marker.x)-int(self.x))+self.marker.offset_x-self.offset_x, self.size[1]/2-32+256*(int(self.marker.y)-int(self.y))+self.marker.offset_y-self.offset_y)
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self.marker.layer = 1
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self.marker.show()
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'''
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ecore.timer_add(3, self.init_dbus)
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def init_dbus(self):
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print 'PylgrimView init_dbus'
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try:
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gps_obj = SystemBus(mainloop=DBusEcoreMainLoop()).get_object(DBUS_NAME,
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#'/org/mobile/GoogleLocation',
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'/org/mobile/GpsLocation',
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)
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gps_obj.connect_to_signal("position", self.position, dbus_interface=DIN_LOCATION)
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self.gps_interface = Interface(gps_obj, DIN_LOCATION)
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self.gps_interface.GetPosition(reply_handler=self.position, error_handler=err, )
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return False
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except Exception, e:
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print 'PylgrimView', e
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return True
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def position(self, content):
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content = dedbusmap(content)
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print 'position', content
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fix = int(content.get('fix', 0))
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if fix:
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latitude = float(content.get('latitude', self.latitude))
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longitude = float(content.get('longitude', self.longitude))
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print 'position', latitude, longitude
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if not self.animate:
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self.set_current_tile(latitude, longitude, self.zoom)
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def on_key_down(self, obj, event):
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if event.keyname in ("F6", "f"):
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self.evas_canvas.evas_obj.fullscreen = not self.evas_canvas.evas_obj.fullscreen
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elif event.keyname in ("Escape", "q"):
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ecore.main_loop_quit()
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elif event.keyname in ("F7", "plus") and not self.animate:
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ecore.timer_add(0.05, self.animate_zoom_in)
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elif event.keyname in ("F8", "minus") and not self.animate:
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ecore.timer_add(0.05, self.animate_zoom_out)
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elif event.keyname in ("Up", ) and not self.animate:
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delta_y = -10
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for icon in self.icons:
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icon.set_position(icon.pos[0], icon.pos[1]-delta_y)
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self.current_pos = (self.current_pos[0], self.current_pos[1]-delta_y)
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elif event.keyname in ("Down", ) and not self.animate:
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delta_y = 10
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for icon in self.icons:
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icon.set_position(icon.pos[0], icon.pos[1]-delta_y)
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self.current_pos = (self.current_pos[0], self.current_pos[1]-delta_y)
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elif event.keyname in ("Left", ) and not self.animate:
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delta_x = -10
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for icon in self.icons:
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icon.set_position(icon.pos[0]-delta_x, icon.pos[1])
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self.current_pos = (self.current_pos[0]-delta_x, self.current_pos[1])
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elif event.keyname in ("Right", ) and not self.animate:
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delta_x = 10
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for icon in self.icons:
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icon.set_position(icon.pos[0]-delta_x, icon.pos[1])
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self.current_pos = (self.current_pos[0]-delta_x, self.current_pos[1])
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else:
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print "key not recognized:", event.keyname
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def on_key_up(self, obj, event):
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if event.keyname in ("Up", "Down", "Left", "Right") and not self.animate:
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if abs(self.current_pos[0]) > self.size[0]/2 or abs(self.current_pos[1]) > self.size[1]/2:
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self.x = int(self.x) + (self.offset_x-self.current_pos[0])/256.0
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self.y = int(self.y) + (self.offset_y-self.current_pos[1])/256.0
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self.offset_x, self.offset_y = int((self.x-int(self.x))*256), int((self.y-int(self.y))*256)
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self.init_redraw()
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self.update_coordinates()
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#jump to coordinates
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def set_current_tile(self, latitude, longitude, zoom):
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#update shown coordinates everytime they change
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self.overlay.part_text_set("label", "latitude:%f longitude:%f zoom:%d"%(latitude, longitude, zoom))
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x = (longitude+180)/360 * 2**zoom
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y = (1-math.log(math.tan(latitude*math.pi/180) + 1/math.cos(latitude*math.pi/180))/math.pi)/2 * 2**zoom
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offset_x, offset_y = int((x-int(x))*256), int((y-int(y))*256)
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#only redraw if x, y, zoom, offset_x or offset_y differ from before
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if int(x) != int(self.x) \
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or int(y) != int(self.y) \
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or zoom != self.zoom \
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or offset_x != self.offset_x \
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or offset_y != self.offset_y:
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self.zoom = zoom
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self.x = x
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self.y = y
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self.offset_x, self.offset_y = offset_x, offset_y
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self.init_redraw()
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def init_redraw(self):
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print "redraw"
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self.animate = True
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#reload icons list if its length differs from before eg. when size changes
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if len(self.icons) != (2*self.border_x+1)*(2*self.border_y+1):
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print "x:", self.border_x, "y:", self.border_y
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#clean up
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for icon in self.icons:
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icon.delete()
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self.icons = []
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#fill
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for i in xrange((2*self.border_x+1)*(2*self.border_y+1)):
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self.icons.append(PylgrimView.Tile(self.evas_canvas.evas_obj.evas))
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if not self.offline:
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#add all tiles that are not yet downloaded to a list
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for i in xrange(2*self.border_x+1):
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for j in xrange(2*self.border_y+1):
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if not os.path.exists("%d/%d/%d.png"%(self.zoom, self.x+i-self.border_x, self.y+j-self.border_y))\
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and not (self.zoom, self.x+i-self.border_x, self.y+j-self.border_y) in self.tiles_to_download:
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self.tiles_to_download.append((self.zoom, self.x+i-self.border_x, self.y+j-self.border_y))
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self.tiles_to_download_total = len(self.tiles_to_download)
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'''
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#add additional tiles around the raster to a preload list
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for i in xrange(2*self.border_x+3):
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if i == 0 or i == 2*self.border_x+2:
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#if first or last row, download full row
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for j in xrange(2*self.border_y+3):
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if not os.path.exists("%d/%d/%d.png"%(self.zoom, self.x+i-self.border_x-1, self.y+j-self.border_y-1)):
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self.tiles_to_preload.append((self.zoom, self.x+i-self.border_x-1, self.y+j-self.border_y-1))
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#lots TODO here
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#let preload more than one tile - maybe a preload_border_x/y variable
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#manage simultaneos proeloads
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#manage not preloading duplicates
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else
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#else download first and last tile
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'''
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#if there are tiles to download, display progress bar
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if self.use_overlay and self.tiles_to_download_total > 0:
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self.progress_bg.geometry = 39, self.size[1]/2-1, self.size[0]-78, 22
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self.progress.geometry = 40, self.size[1]/2, 1, 20
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self.overlay.part_text_set("progress", "downloaded 0 of %d tiles"%self.tiles_to_download_total)
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ecore.timer_add(0.0, self.download_and_paint_current_tiles)
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def download_and_paint_current_tiles(self):
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if len(self.tiles_to_download) > 0:
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zoom, x, y = self.tiles_to_download.pop()
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if self.use_overlay:
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self.progress.geometry = 40, self.size[1]/2, (self.size[0]-80)*(self.tiles_to_download_total-len(self.tiles_to_download))/self.tiles_to_download_total, 20
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self.overlay.part_text_set("progress", "downloaded %d of %d tiles"%(self.tiles_to_download_total-len(self.tiles_to_download), self.tiles_to_download_total))
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self.download(x, y, zoom)
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return True
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#we get here if all tiles are downloaded
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for i in xrange(2*self.border_x+1):
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for j in xrange(2*self.border_y+1):
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#if some errors occur replace with placeholder
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filename = "%d/%d/%d.png"%(self.zoom, self.x+i-self.border_x, self.y+j-self.border_y)
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try:
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self.icons[(2*self.border_y+1)*i+j].file_set(filename)
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except Exception, e:
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print e
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if os.path.exists(filename):
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os.unlink(filename)
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self.icons[(2*self.border_y+1)*i+j].file_set("404.png")
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self.icons[(2*self.border_y+1)*i+j].set_position((i-self.border_x)*256+self.size[0]/2-self.offset_x, (j-self.border_y)*256+self.size[1]/2-self.offset_y)
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self.icons[(2*self.border_y+1)*i+j].size = 256, 256
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self.icons[(2*self.border_y+1)*i+j].fill = 0, 0, 256, 256
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self.current_pos = (0, 0)
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if self.use_overlay:
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self.overlay.part_text_set("progress", "")
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self.progress_bg.geometry = 0, 0, 0, 0
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self.progress.geometry = 0, 0, 0, 0
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self.animate = False
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return False
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def update_coordinates(self):
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x = int(self.x) + (self.offset_x-self.current_pos[0])/256.0
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y = int(self.y) + (self.offset_y-self.current_pos[1])/256.0
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self.longitude = (x*360)/2**self.zoom-180
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n = math.pi*(1-2*y/2**self.zoom)
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self.latitude = 180/math.pi*math.atan(0.5*(math.exp(n)-math.exp(-n)))
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self.overlay.part_text_set("label", "latitude:%f longitude:%f zoom:%d"%(self.latitude, self.longitude, self.zoom))
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def zoom_in(self, zoom):
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for icon in self.icons:
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x = (1+zoom)*(icon.position[0]-self.size[0]/2)+self.size[0]/2
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y = (1+zoom)*(icon.position[1]-self.size[1]/2)+self.size[1]/2
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icon.geometry = int(x), int(y), 256+int(256*zoom), 256+int(256*zoom)
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icon.fill = 0, 0, 256+int(256*zoom), 256+int(256*zoom)
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def zoom_out(self, zoom):
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for icon in self.icons:
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x = (1-zoom*0.5)*(icon.position[0]-self.size[0]/2)+self.size[0]/2
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y = (1-zoom*0.5)*(icon.position[1]-self.size[1]/2)+self.size[1]/2
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icon.geometry = int(x), int(y), 256-int(256*zoom*0.5), 256-int(256*zoom*0.5)
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icon.fill = 0, 0, 256-int(256*zoom*0.5), 256-int(256*zoom*0.5)
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def animate_zoom_in(self):
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if self.zoom < 18:
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self.animate = True
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if self.zoom_step < 1.0:
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self.zoom_in(self.zoom_step)
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self.zoom_step+=0.125
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return True
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self.zoom_step = 0.0
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self.set_current_tile(self.latitude, self.longitude, self.zoom+1)
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else:
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self.animate = False
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return False
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def animate_zoom_out(self):
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if self.zoom > 5:
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self.animate = True
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if self.zoom_step < 1.0:
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self.zoom_out(self.zoom_step)
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self.zoom_step+=0.125
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return True
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self.zoom_step = 0.0
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self.set_current_tile(self.latitude, self.longitude, self.zoom-1)
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else:
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self.animate = False
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return False
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@edje.decorators.signal_callback("mouse,down,1", "*")
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def on_mouse_down(self, emission, source):
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if not self.animate:
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if source in "plus":
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ecore.timer_add(0.05, self.animate_zoom_in)
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elif source in "minus":
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ecore.timer_add(0.05, self.animate_zoom_out)
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else:
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self.x_pos, self.y_pos = self.evas_canvas.evas_obj.evas.pointer_canvas_xy
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self.mouse_down = True
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@edje.decorators.signal_callback("mouse,up,1", "*")
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def on_mouse_up(self, emission, source):
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self.mouse_down = False
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if not self.animate:
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#redraw if moved further than one tile in each direction 'cause the preoload will only download one tile further than requested
|
|
if abs(self.current_pos[0]) > 256 or abs(self.current_pos[1]) > 256:
|
|
self.x = int(self.x) + (self.offset_x-self.current_pos[0])/256.0
|
|
self.y = int(self.y) + (self.offset_y-self.current_pos[1])/256.0
|
|
self.offset_x, self.offset_y = int((self.x-int(self.x))*256), int((self.y-int(self.y))*256)
|
|
self.init_redraw()
|
|
self.update_coordinates()
|
|
if abs(self.current_pos[0]) > 0 or abs(self.current_pos[1]) > 0:
|
|
#on mouse up + move: update current coordinates
|
|
self.update_coordinates()
|
|
|
|
@edje.decorators.signal_callback("mouse,move", "*")
|
|
def on_mouse_move(self, emission, source):
|
|
if self.mouse_down and not self.animate:
|
|
x_pos, y_pos = self.evas_canvas.evas_obj.evas.pointer_canvas_xy
|
|
delta_x = self.x_pos - x_pos
|
|
delta_y = self.y_pos - y_pos
|
|
self.x_pos, self.y_pos = x_pos, y_pos
|
|
for icon in self.icons:
|
|
icon.set_position(icon.pos[0]-delta_x, icon.pos[1]-delta_y)
|
|
self.current_pos = (self.current_pos[0]-delta_x, self.current_pos[1]-delta_y)
|
|
|
|
#self.marker.set_position(self.marker.pos[0]-delta_x, self.marker.pos[1]-delta_y)
|
|
|
|
class PylgrimControl(PylgrimView):
|
|
def __init__(self, evas_canvas, filename, latitude, longitude, zoom=10, offline=False, use_overlay=True):
|
|
PylgrimView.__init__(self, evas_canvas, filename, latitude, longitude, zoom=10, offline=False, use_overlay=True)
|
|
|
|
if __name__ == "__main__":
|
|
WIDTH = 480
|
|
HEIGHT = 640
|
|
|
|
TITLE = "pylgrim"
|
|
WM_NAME = "pylgrim"
|
|
WM_CLASS = "swallow"
|
|
|
|
|
|
from optparse import OptionParser
|
|
|
|
class myOptionParser(OptionParser):
|
|
def __init__(self, usage):
|
|
OptionParser.__init__(self, usage)
|
|
self.add_option("-e",
|
|
"--engine",
|
|
type="choice",
|
|
choices=("x11", "x11-16"),
|
|
default="x11-16",
|
|
help=("which display engine to use (x11, x11-16), "
|
|
"default=%default"))
|
|
self.add_option("-n",
|
|
"--no-fullscreen",
|
|
action="store_true",
|
|
help="do not launch in fullscreen")
|
|
self.add_option("-o",
|
|
"--offline",
|
|
action="store_true",
|
|
help="do not attempt to download tiles")
|
|
self.add_option("-g",
|
|
"--geometry",
|
|
type="string",
|
|
metavar="WxH",
|
|
action="callback",
|
|
callback=self.parse_geometry,
|
|
default=(WIDTH, HEIGHT),
|
|
help="use given window geometry")
|
|
self.add_option("-f",
|
|
"--fps",
|
|
type="int",
|
|
default=20,
|
|
help="frames per second to use, default=%default")
|
|
|
|
def parse_geometry(self, option, opt, value, parser):
|
|
try:
|
|
w, h = value.split("x")
|
|
w = int(w)
|
|
h = int(h)
|
|
except Exception, e:
|
|
raise optparse.OptionValueError("Invalid format for %s" % option)
|
|
parser.values.geometry = (w, h)
|
|
|
|
class EvasCanvas(object):
|
|
def __init__(self, fullscreen, engine, size):
|
|
if engine == "x11":
|
|
f = ecore.evas.SoftwareX11
|
|
elif engine == "x11-16":
|
|
if ecore.evas.engine_type_supported_get("software_x11_16"):
|
|
f = ecore.evas.SoftwareX11_16
|
|
else:
|
|
print "warning: x11-16 is not supported, fallback to x11"
|
|
f = ecore.evas.SoftwareX11
|
|
|
|
self.evas_obj = f(w=size[0], h=size[1])
|
|
self.evas_obj.callback_delete_request = self.on_delete_request
|
|
self.evas_obj.callback_resize = self.on_resize
|
|
|
|
self.evas_obj.title = TITLE
|
|
self.evas_obj.name_class = (WM_NAME, WM_CLASS)
|
|
self.evas_obj.fullscreen = fullscreen
|
|
self.evas_obj.size = size
|
|
self.evas_obj.show()
|
|
|
|
def on_resize(self, evas_obj):
|
|
x, y, w, h = evas_obj.evas.viewport
|
|
size = (w, h)
|
|
for key in evas_obj.data.keys():
|
|
evas_obj.data[key].size = size
|
|
#calculate size of tile raster
|
|
evas_obj.data["pylgrim"].border_x = int(math.ceil(evas_obj.data["pylgrim"].size[0]/256.0))
|
|
evas_obj.data["pylgrim"].border_y = int(math.ceil(evas_obj.data["pylgrim"].size[1]/256.0))
|
|
evas_obj.data["pylgrim"].init_redraw()
|
|
|
|
def on_delete_request(self, evas_obj):
|
|
ecore.main_loop_quit()
|
|
|
|
print 'start', __name__
|
|
options, args = myOptionParser(usage="usage: %prog [options]").parse_args()
|
|
edje.frametime_set(1.0 / options.fps)
|
|
evas_canvas = EvasCanvas(
|
|
fullscreen=not options.no_fullscreen,
|
|
engine=options.engine,
|
|
size=options.geometry
|
|
)
|
|
filename = os.path.splitext(sys.argv[0])[0] + ".edj"
|
|
PylgrimControl(evas_canvas, filename, 49.009051, 8.402481, 13, options.offline, )
|
|
ecore.main_loop_begin()
|
|
# vim:tw=0:nowrap
|