def draw_line(self, unit, zl, points, color, width, draw_distance=False):
gc = self.style.black_gc
gc.line_width = width
gc.set_rgb_fg_color(gtk.gdk.color_parse(color))
dist_str = None
total_distance = 0
def do_draw(ini, end):
self.window.draw_line(gc, ini[0], ini[1], end[0], end[1])
if dist_str:
self.write_text(gc, end[0], end[1], dist_str, 10)
for j in range(len(points) - 1):
if draw_distance:
distance = mapUtils.countDistanceFromLatLon(points[j].getLatLon(), points[j + 1].getLatLon())
if unit != UNIT_TYPE_KM:
distance = mapUtils.convertUnits(UNIT_TYPE_KM, unit, distance)
total_distance += distance
dist_str = '%.3f %s \n%.3f %s' % (distance, DISTANCE_UNITS[unit], total_distance, DISTANCE_UNITS[unit])
ini = self.coord_to_screen(points[j].latitude, points[j].longitude, zl)
end = self.coord_to_screen(points[j + 1].latitude, points[j + 1].longitude, zl)
if ini and end:
do_draw(ini, end)
elif ini or end:
if ini:
end = self.coord_to_screen(points[j + 1].latitude, points[j + 1].longitude, zl, True)
if end:
ini = self.coord_to_screen(points[j].latitude, points[j].longitude, zl, True)
do_draw(ini, end)
return gc
def update_widgets(self):
## Check if gps exists by checking that fix exists and fix-time exists
# NMEA should include some kind of time always,
# although it might be seconds from GPS start, if now satellites is found.
# -> If time is found, GPS is operational.
if self.mapsObj.gps and self.mapsObj.gps.gpsfix and self.mapsObj.gps.gpsfix.time:
if self.mapsObj.gps.gpsfix.mode > MODE_NO_FIX:
if self.mapsObj.gps.gpsfix.mode == MODE_2D:
text = 'FIX'
else:
text = '3D FIX'
self.fix_label.set_text(
'<b><span foreground=\"green\">%s</span></b>' % text)
else:
self.fix_label.set_text(
'<b><span foreground=\"red\">NO FIX</span></b>')
if self.mapsObj.gps.gpsfix.time:
d = makeGPSTime(self.mapsObj.gps.gpsfix.time,
self.mapsObj.conf.gps_type,
use_offset=True)
if d:
gps_time = '%02d:%02d:%02d' % (d.hour, d.minute, d.second)
self.gps_values[0].set_text(gps_time)
if self.mapsObj.gps.gpsfix.latitude:
self.gps_values[1].set_text('%.6f' %
self.mapsObj.gps.gpsfix.latitude)
if self.mapsObj.gps.gpsfix.longitude:
self.gps_values[2].set_text('%.6f' %
self.mapsObj.gps.gpsfix.longitude)
speed_unit = self.mapsObj.conf.units
speed = self.mapsObj.gps.gpsfix.speed
if speed:
if speed_unit != UNIT_TYPE_NM:
speed = mapUtils.convertUnits(UNIT_TYPE_NM, speed_unit,
speed)
self.gps_values[3].set_text('%.1f %s' %
(speed, SPEED_UNITS[speed_unit]))
if self.mapsObj.gps.gpsfix.track:
self.gps_values[4].set_text('%.1f°' %
self.mapsObj.gps.gpsfix.track)
if self.mapsObj.gps.gpsfix.altitude:
self.gps_values[5].set_text('%.1fm' %
self.mapsObj.gps.gpsfix.altitude)
if self.mapsObj.conf.gps_type == TYPE_SERIAL:
self.gps_values[6].set_text('%i' %
self.mapsObj.gps.gpsfix.satellites)
else:
self.fix_label.set_text(
'<span foreground=\"red\">No GPS detected</span>')
for gps_value in self.gps_values:
gps_value.set_text('---')
self.fix_label.set_use_markup(True)
if self.__stop:
return False
else:
return True
def update_widgets(self):
## Check if gps exists by checking that fix exists and fix-time exists
# NMEA should include some kind of time always,
# although it might be seconds from GPS start, if now satellites is found.
# -> If time is found, GPS is operational.
if self.mapsObj.gps and self.mapsObj.gps.gpsfix and self.mapsObj.gps.gpsfix.time:
if self.mapsObj.gps.gpsfix.mode > MODE_NO_FIX:
if self.mapsObj.gps.gpsfix.mode == MODE_2D:
text = 'FIX'
else:
text = '3D FIX'
self.fix_label.set_text('<b><span foreground=\"green\">%s</span></b>' % text)
else:
self.fix_label.set_text('<b><span foreground=\"red\">NO FIX</span></b>')
if self.mapsObj.gps.gpsfix.time:
d = makeGPSTime(self.mapsObj.gps.gpsfix.time, self.mapsObj.conf.gps_type, use_offset=True)
if d:
gps_time = '%02d:%02d:%02d' % (d.hour, d.minute, d.second)
self.gps_values[0].set_text(gps_time)
if self.mapsObj.gps.gpsfix.latitude:
self.gps_values[1].set_text('%.6f' % self.mapsObj.gps.gpsfix.latitude)
if self.mapsObj.gps.gpsfix.longitude:
self.gps_values[2].set_text('%.6f' % self.mapsObj.gps.gpsfix.longitude)
speed_unit = self.mapsObj.conf.units
speed = self.mapsObj.gps.gpsfix.speed
if speed:
if speed_unit != UNIT_TYPE_NM:
speed = mapUtils.convertUnits(UNIT_TYPE_NM, speed_unit, speed)
self.gps_values[3].set_text('%.1f %s' % (speed, SPEED_UNITS[speed_unit]))
if self.mapsObj.gps.gpsfix.track:
self.gps_values[4].set_text('%.1f°' % self.mapsObj.gps.gpsfix.track)
if self.mapsObj.gps.gpsfix.altitude:
self.gps_values[5].set_text('%.1fm' % self.mapsObj.gps.gpsfix.altitude)
if self.mapsObj.conf.gps_type == TYPE_SERIAL:
self.gps_values[6].set_text('%i' % self.mapsObj.gps.gpsfix.satellites)
else:
self.fix_label.set_text('<span foreground=\"red\">No GPS detected</span>')
for gps_value in self.gps_values:
gps_value.set_text('---')
self.fix_label.set_use_markup(True)
if self.__stop:
return False
else:
return True
def draw_line(self, unit, zl, points, color, width, draw_distance=False):
gc = self.style.black_gc
gc.line_width = width
gc.set_rgb_fg_color(gtk.gdk.color_parse(color))
dist_str = None
total_distance = 0
def do_draw(ini, end):
self.window.draw_line(gc, ini[0], ini[1], end[0], end[1])
if dist_str:
self.write_text(gc, end[0], end[1], dist_str, 10)
for j in range(len(points) - 1):
if draw_distance:
distance = mapUtils.countDistanceFromLatLon(
points[j].getLatLon(), points[j + 1].getLatLon())
if unit != UNIT_TYPE_KM:
distance = mapUtils.convertUnits(UNIT_TYPE_KM, unit,
distance)
total_distance += distance
dist_str = '%.3f %s \n%.3f %s' % (
distance, DISTANCE_UNITS[unit], total_distance,
DISTANCE_UNITS[unit])
ini = self.coord_to_screen(points[j].latitude, points[j].longitude,
zl)
end = self.coord_to_screen(points[j + 1].latitude,
points[j + 1].longitude, zl)
if ini and end:
do_draw(ini, end)
elif ini or end:
if ini:
end = self.coord_to_screen(points[j + 1].latitude,
points[j + 1].longitude, zl,
True)
if end:
ini = self.coord_to_screen(points[j].latitude,
points[j].longitude, zl, True)
do_draw(ini, end)
return gc
def draw_line(self, track, track_color, zl, draw_start_end=True):
coord_to_screen_f = self.da.coord_to_screen
def do_draw(ini, end, dist_str=None):
gtk.threads_enter()
try:
self.da.window.draw_line(self.gc, ini[0], ini[1], end[0], end[1])
if dist_str:
self.da.write_text(self.gc, end[0], end[1], dist_str, 10)
finally:
gtk.threads_leave()
def coord_to_screen(c):
temp = coord_to_screen_f(c.latitude, c.longitude, zl, True)
cur_coord = coord_to_screen_f(self.base_point[0], self.base_point[1], zl, True)
return (temp[0] - cur_coord[0], temp[1] - cur_coord[1])
self.gc.line_width = self.track_width
self.gc.set_rgb_fg_color(gtk.gdk.color_parse(track_color))
cur_coord = coord_to_screen_f(self.base_point[0], self.base_point[1], zl, True)
rect = self.da.get_allocation()
center = (rect.width / 2, rect.height / 2)
threshold = 1000 # in pixels
threshold_x = threshold + center[0]
threshold_y = threshold + center[1]
mod_x = cur_coord[0] - center[0]
mod_y = cur_coord[1] - center[1]
dist_str = None
# start = time.time()
# See if track is already in screen_coords
try:
self.screen_coords[track]
except:
# If not, add it
self.screen_coords[track] = []
screen_coords = self.screen_coords[track]
if len(self.screen_coords[track]) < len(track.points):
# Calculate screen_coords for points which aren't in it already
screen_coords.extend(map(coord_to_screen, track.points[len(screen_coords):]))
for j in range(len(screen_coords) - 1):
# If update or __stop was set while we're in the loop, break
if self.update.is_set() or self.update_all.is_set() or self.__stop.is_set():
return
if abs(screen_coords[j][0] + mod_x) < threshold_x \
and abs(screen_coords[j][1] + mod_y) < threshold_y:
if self.draw_distance:
distance = mapUtils.countDistanceFromLatLon(track.points[j].getLatLon(), track.points[j + 1].getLatLon())
if self.unit != UNIT_TYPE_KM:
distance = mapUtils.convertUnits(UNIT_TYPE_KM, self.unit, distance)
dist_str = '%.3f %s' % (distance, DISTANCE_UNITS[self.unit])
ini = (screen_coords[j][0] + cur_coord[0], screen_coords[j][1] + cur_coord[1])
end = (screen_coords[j + 1][0] + cur_coord[0], screen_coords[j + 1][1] + cur_coord[1])
if ini and end:
do_draw(ini, end, dist_str)
if draw_start_end:
if track.distance:
distance = mapUtils.convertUnits(UNIT_TYPE_KM, self.unit, track.distance)
text = '%s - %.2f %s' % (track.name, distance, DISTANCE_UNITS[self.unit])
else:
text = track.name
gtk.threads_enter() # Precautions to tell GTK that we're drawing from a thread now
try:
self.da.write_text(self.gc, screen_coords[0][0] + cur_coord[0],
screen_coords[0][1] + cur_coord[1], '%s (start)' % text)
self.da.write_text(self.gc, screen_coords[-1][0] + cur_coord[0],
screen_coords[-1][1] + cur_coord[1], '%s (end)' % text)
finally:
gtk.threads_leave() # And once we are finished, tell that as well...
def draw_line(self, track, track_color):
self.gc.line_width = self.track_width
self.gc.set_rgb_fg_color(gtk.gdk.color_parse(track_color))
def do_draw(ini, end, dist_str=None):
gtk.threads_enter()
try:
self.da.window.draw_line(self.gc, ini[0], ini[1], end[0],
end[1])
if dist_str:
self.da.write_text(self.gc, end[0], end[1], dist_str,
10)
finally:
gtk.threads_leave()
cur_coord = self.da.coord_to_screen(self.base_point[0],
self.base_point[1], self.zl,
True)
rect = self.da.get_allocation()
center = (rect.width / 2, rect.height / 2)
threshold = 1000 # in pixels
threshold_x = threshold + center[0]
threshold_y = threshold + center[1]
mod_x = cur_coord[0] - center[0]
mod_y = cur_coord[1] - center[1]
start = time.time()
dist_str = None
# See if track is already in screen_coords
try:
self.screen_coords[track]
except:
# If not, add it
self.screen_coords[track] = []
try: # Check if first point is in screen_coords
self.screen_coords[track][0]
except: # If not, add it...
temp = self.da.coord_to_screen(track.points[0].latitude,
track.points[0].longitude,
self.zl, True)
cur_coord = self.da.coord_to_screen(self.base_point[0],
self.base_point[1],
self.zl, True)
self.screen_coords[track].append(
(temp[0] - cur_coord[0], temp[1] - cur_coord[1]))
for j in range(len(track.points) - 1):
# If update or __stop was set while we're in the loop, break
if self.update.is_set() or self.update_all.is_set(
) or self.__stop.is_set():
return
try: # Check if j + 1 in screen_coords
self.screen_coords[track][j + 1]
except: # If not, add it...
temp = self.da.coord_to_screen(
track.points[j + 1].latitude,
track.points[j + 1].longitude, self.zl, True)
cur_coord = self.da.coord_to_screen(
self.base_point[0], self.base_point[1], self.zl, True)
self.screen_coords[track].append(
(temp[0] - cur_coord[0], temp[1] - cur_coord[1]))
if abs(self.screen_coords[track][j][0] + mod_x) < threshold_x \
and abs(self.screen_coords[track][j][1] + mod_y) < threshold_y:
if self.draw_distance:
distance = mapUtils.countDistanceFromLatLon(
track.points[j].getLatLon(),
track.points[j + 1].getLatLon())
if self.unit != UNIT_TYPE_KM:
distance = mapUtils.convertUnits(
UNIT_TYPE_KM, self.unit, distance)
dist_str = '%.3f %s' % (distance,
DISTANCE_UNITS[self.unit])
ini = (self.screen_coords[track][j][0] + cur_coord[0],
self.screen_coords[track][j][1] + cur_coord[1])
end = (self.screen_coords[track][j + 1][0] + cur_coord[0],
self.screen_coords[track][j + 1][1] + cur_coord[1])
if ini and end:
do_draw(ini, end, dist_str)
print 'drawing: %.3fs' % (time.time() - start)
if self.draw_start_end:
if track.distance:
distance = mapUtils.convertUnits(UNIT_TYPE_KM, self.unit,
track.distance)
text = '%s - %.2f %s' % (track.name, distance,
DISTANCE_UNITS[self.unit])
else:
text = track.name
gtk.threads_enter(
) # Precautions to tell GTK that we're drawing from a thread now
try:
self.da.write_text(
self.gc,
self.screen_coords[track][0][0] + cur_coord[0],
self.screen_coords[track][0][1] + cur_coord[1],
'%s (start)' % text)
self.da.write_text(
self.gc,
self.screen_coords[track][-1][0] + cur_coord[0],
self.screen_coords[track][-1][1] + cur_coord[1],
'%s (end)' % text)
finally:
gtk.threads_leave(
) # And once we are finished, tell that as well...
def do_scale(self, zoom, current_zoom_level, doForce, dPointer):
if (zoom == current_zoom_level) and not doForce:
return
rect = self.get_allocation()
da_center = (rect.width // 2, rect.height // 2)
if dPointer:
fix_tile, fix_offset = mapUtils.pointer_to_tile(
rect, dPointer, self.center, current_zoom_level
)
else:
fix_tile, fix_offset = self.center
scala = 2 ** (current_zoom_level - zoom)
x = int((fix_tile[0] * TILES_WIDTH + fix_offset[0]) * scala)
y = int((fix_tile[1] * TILES_HEIGHT + fix_offset[1]) * scala)
if dPointer and not doForce:
x = x - (dPointer[0] - da_center[0])
y = y - (dPointer[1] - da_center[1])
self.center = (x / TILES_WIDTH, y / TILES_HEIGHT), \
(x % TILES_WIDTH, y % TILEraw_image(self, screen_coord, img, width, height):
self.window.draw_pixbuf(
self.style.black_gc, img, 0, 0,
screen_coord[0] - width / 2, screen_coord[1] - height / 2,
width, height
)
def w_draw_line(self, gc, x1, y1, x2, y2):
self.window.draw_line(gc, int(x1), int(y1), int(x2), int(y2))
def draw_arrow(self, screen_coord, direction):
arrow_length = 50
self.set_arrow_gc()
rad = math.radians(direction)
sin = math.sin(rad)
cos = math.cos(rad)
arrowtop = (screen_coord[0] + arrow_length * sin, screen_coord[1] - arrow_length * cos)
self.w_draw_line(self.arrow_gc,
screen_coord[0],
screen_coord[1],
arrowtop[0],
arrowtop[1])
# TODO: Arrow pointers
# self.w_draw_line(self.arrow_gc,
# arrowtop[0], arrowtop[1],
# arrowtop[0] + 7 * math.cos(direction + 3 * math.pi / 4.0),
# arrowtop[1] + 7 * math.sin(direction + 3 * math.pi / 4.0))
# self.w_draw_line(self.arrow_gc,
# arrowtop[0], arrowtop[1],
# arrowtop[0] + 7 * math.cos(direction - 3 * math.pi / 4.0),
# arrowtop[1] + 7 * math.sin(direction - 3 * math.pi / 4.0))
## Draws the marker
def draw_marker(self, conf, mcoord, zl, img, pixDim, marker_name):
screen_coord = self.coord_to_screen(mcoord[0], mcoord[1], zl)
if screen_coord:
gc = self.scale_gc
cPos = marker_name.find('#')
if (cPos > -1):
try:
my_gc = self.window.new_gc()
color = gtk.gdk.color_parse(marker_name[cPos:cPos + 7])
my_gc.set_rgb_fg_color(color)
gc = my_gc
except:
pass
if marker_name.startswith('point'):
self.draw_point(screen_coord, gc)
elif marker_name.startswith('circle'):
self.draw_circle(screen_coord, gc)
else:
self.draw_image(screen_coord, img, pixDim, pixDim)
if conf.show_marker_name:
# Display the Marker Name
gco = self.window.new_gc()
gco.set_rgb_fg_color(gtk.gdk.color_parse(conf.marker_font_color))
pangolayout = self.create_pango_layout(marker_name)
pangolayout.set_font_description(
pango.FontDescription(conf.marker_font_desc))
self.wr_pltxt(gco, screen_coord[0], screen_coord[1], pangolayout)
## Show the text
def wr_pltxt(self, gc, x, y, pl):
gc1 = self.window.new_gc()
gc1.line_width = 2
gc1.set_rgb_fg_color(gtk.gdk.color_parse("#000000"))
self.window.draw_layout(gc1, x - 1, y - 1, pl)
self.window.draw_layout(gc1, x, y - 1, pl)
self.window.draw_layout(gc1, x + 1, y - 1, pl)
self.window.draw_layout(gc1, x + 1, y, pl)
self.window.draw_layout(gc1, x + 1, y + 1, pl)
self.window.draw_layout(gc1, x, y + 1, pl)
self.window.draw_layout(gc1, x - 1, y + 1, pl)
self.window.draw_layout(gc1, x - 1, y, pl)
self.window.draw_layout(gc, x, y, pl)
## Draw the second layer of elements
def draw_overlay(self, zl, conf, crossPixbuf, dlpixbuf,
downloading=False, visual_dlconfig={},
marker=None, locations={}, entry_name="",
showMarkers=False, gps=None, gps_track=None,
r_coord=[],
tracks=None, draw_track_distance=False,
cur_coord=None):
self.set_scale_gc()
self.set_visualdl_gc()
rect = self.get_allocation()
middle = (rect.width / 2, rect.height / 2)
full = (rect.width, rect.height)
if (self.markerThread is not None):
ad.cancel()
if tracks:
self.draw_tracks(conf.units, tracks, zl, conf.gps_track_width, draw_track_distance)
if conf.gps_track and len(gps_track.points) > 1:
self.draw_gps_line(conf.units, gps_track, zl, conf.gps_track_width)
# Draw the Ruler lines
if len(r_coord) >= 1:
self.draw_ruler_lines(conf.units, r_coord, zl, conf.gps_track_width)
if showMarkers:
pixDim = .get_pixDim(zl)
# Draw the selected location
rd_to_screen(coord[0], coord[1], zl)
if screen_coord:
img = marker.get_marker_pixruler(zl, 'marker1.png')
self.draw_image(screen_coord, img, pixDim, pixDim)
else:
coord = (None, None, None)
# Draw the markers
if len(marker.positions) < 1000:
self.draw_markers(zl, marker, coord, conf, pixDim)
else:
self.markerThread = Timer(0.5, self.draw_markers_thread, [zl, marker, coord, conf, pixDim])
self.markerThread.start()
# Draw the downloading notification
if downloading:
self.windoself.draw_markers(zl, marker, coord, conf, pixDimnf)
# Draw cross in the center
if conf.show_cross:
self.draw_image(middle, crossPixbuf, 12, 12)
# Draw GPS position
if gps and gps.gpsfix:
location = gps.get_location()
if location is not None and zl <= conf.max_gps_zoom:
img = gps.pixbuf
and cur_coord screen_coord = self.coord_to_screen(location[0], location[1], zl)
if screen_coord:
self.draw_image(screen_coord, img,
GPS_IMG"make the damn thing not so bright" -overlay
if conf.opacity != 0.0:
self.cr.set_source_rgba(0, 0, 0, conf.opacity)
self.cr.rectangle(0, 0, rect.width, rect.height)
self.cr.fill( GPS_IMG_SIZE[0], GPS_IMG_SIZE[1])
if gps.gpsfix.speed >= 0.5: # draw arrow only, if speed is over 0.5 knots
self.draw_arrow(screen_coord, gps.gpsfix.track)
if gps.mode != GPS_DISABLED and gps.gpsfix.mode == MODE_NO_FIX:
gc = self.style.black_gc
# # Draw the circle
# self.cr.set_source_rgba(1, 0, 0, 0.5)
# self.cr.set_line_width(4)
# self.cr.arc(screen_coord[0], screen_coord[1], 15, 0, 2 * math.pi)
# self.cr.stroke_preserve()
# # Draw "target lines"
# self.cr.set_line_width(2)
# self.cr.move_to(screen_coord[0], screen_coord[1] - 15)
# self.cr.rel_line_to(0, 30)
# self.cr.move_to(screen_coord[0] - 15, screen_coord[1])
# self.cr.rel_line_to(30, 0)
# self.cr.stroke()
self.draw_image(screen_coord, img,
self.write_text(gc, middle[0] - 160, 0, 'INVALID GPS DATtrack andALID GPS DATA', 28)
def draw_markers(self, zl, marker, coord, conf, pixDim):
img = marker.get_marker_pixbuf(zl)
for string in marker.positions.keys():
mpos = marker.positions[string]
if (zl <=self.draw_message('INVALID GPS DATA', middle[0] - 150, 0, 'red')
def draw_message(self, strMessage, x=0, y=0, colorStr='black'):
color = gtk.gdk.color_parse(colorStr)
gc = self.window.new_gc(
color, color, None, gtk.gdk.COPY,
gtk.gdk.SOLID, None, None, None,
gtk.gdk.INCLUDE_INFERIORS,
0, 0, 0, 0, True, 3, gtk.gdk.LINE_DOUBLE_DASH,
gtk.gdk.CAP_NOT_LAST, gtk.gdk.JOIN_ROUND)
gc.set_rgb_fg_color(color)
self.write_text(gc, x, y, strMessage, 28)
try:
DISTANCE_UNITS[conf.units])
self.scale_lo.set_text(scalestr)
self.window.draw_line(self.scale_gc, 10, full[1] - 10, 10, full[1] - 15)
self.window.draw_line(self.scale_gc, 10, full[1] - 10, scaledata[0] + 10, full[1] - 10)
self.window.draw_line(self.scale_gc, scaledata[0] + 10, full[1] - 10, scaledata[0] + 10, full[1] - 15)
self.window.draw_layout(self.scale_gc, 15, full[1] - 25, self.scale_lo)
def draw_visual_dlconfig(self, visual_dlconfig, middle, full, zl):
sz = visual_dlconfig.get("sz", 4)
# Draw a rectangle
if visual_dlconfig.get("show_rectangle", False):
width = visual_dlconfig.get("width_rect", 0)
height = visual_dlconfig.get("height_rect", 0)
if width > 0 and height > 0:
self.window.draw_rectangle(
self.scale_gc, True,
visual_dlconfig.get("x_rect", 0),
visual_dlconfig.get("y_rect", 0),
width, height
)
# Draw the download utility
elif visual_dlconfig.get("active", False):
thezl = str(zl + visual_dlconfig.get("zl", -2))
self.visualdl_lo.set_text(thezl)
self.window.draw_rectangle(self.visualdl_gc, False,
middle[0] - full[0] / (sz * 2),
middle[1] - full[1] / (sz * 2), full[0] / sz, full[1] / sz)
self.window.draw_layout(self.visualdl_gc,
middle[0] + full[0] / (sz * 2) - len(thezl) * 10,
middle[1] - full[1] / (sz * 2),
self.visualdl_lo)
if visual_dlconfig.get('qd', 0) > 0:
self.visualdl_lo.set_text(
str(visual_dlconfig.get('recd', 0)) + "/" +
str(visual_dlconfig.get('qd', 0)))
if sz == 1:
ypos = -15
else:
ypos = 0
self.window.draw_layout(self.visualdl_gc,
middle[0],
middle[1] + full[1] / (sz * 2) + ypos,
self.visualdl_lo)
## Draw line with zoomlevel, [points], color, width and optional distance string
# returns used gc (to be used in write_text for example)
def draw_line(self, unit, zl, points, color, width, draw_distance=False):
gc = self.style.black_gc
gc.line_width = width
gc.set_rgb_fg_color(gtk.gdk.color_parse(color))
dist_str = None
total_distance = 0
def do_draw(ini, end):
self.window.draw_line(gc, ini[0], ini[1], end[0], end[1])
if dist_str:
self.write_text(gc, end[0], end[1], dist_str, 10)
for j in range(len(points) - 1):
if draw_distance:
distance = mapUtils.countDistanceFromLatLon(points[j].getLatLon(), points[j + 1].getLatLon())
if unit != UNIT_TYPE_KM:
distance = mapUtils.convertUnits(UNIT_TYPE_KM, unit, distance)
total_distance += distance
dist_str = '%.3f %s \n%.3f %s' % (distance, DISTANCE_UNITS[unit], total_distance, DISTANCE_UNITS[unit])
ini = self.coord_to_screen(points[j].latitude, points[j].longitude, zl)
end = self.coord_to_screen(points[j + 1].latitude, points[j + 1].longitude, zl)
if ini and end:
do_draw(ini, end)
elif ini or end:
if ini:
end = self.coord_to_screen(points[j + 1].latitude, points[j + 1].longitude, zl, True)
if end:
ini = self.coord_to_screen(points[j].latitude, points[j].longitude, zl, True)
do_draw(ini, end)
return gc
## Write text to point in screen coord -format
def write_text(self, gc, x, y, text, fontsize=12):
pangolayout = self.create_pango_layout("")
pangolayout.set_font_description(pango.FontDescription("sans normal %s" % fontsize))
pangolayout.set_text(text)
self.wr_pltxt(gc, x, y, pangolayout)
## Write text to point in (lat, lon) -format
def write_text_lat_lon(self, gc, zl, point, text):
screen_coord = self.coord_to_screen(point.latitude, point.longitude, zl)
if screen_coord:
self.write_text(gc, screen_coord[0], screen_coord[1], text)
def draw_ruler_lines(self, unit, points, zl, track_width):
color = 'green'
self.draw_line(unit, zl, points, color, track_width, True)
def draw_gps_line(self, unit, track, zl, track_width):
if not self.gpsTrackInst:
self.set_gps_track_gc('red')
color = 'red'
self.gpsTrackInst = self.TrackThread(self, self.gps_track_gc,
color, unit, track, zl, track_width, False, False)
self.gpsTrackInst.start()
else:
self.gpsTrackInst.unit =
