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Geography : bug #06451 : Don't see chinese characters in the geography view.

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svn: r21363
This commit is contained in:
Serge Noiraud 2013-02-16 13:33:10 +00:00
parent 5bb9581b15
commit 657d8e233f
1 changed files with 25 additions and 32 deletions
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57
gramps/plugins/lib/maps/messagelayer.py
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@ -47,6 +47,7 @@ _LOG = logging.getLogger("maps.messagelayer")
#-------------------------------------------------------------------------
from gi.repository import Gdk
import cairo
from gi.repository import Pango, PangoCairo
#-------------------------------------------------------------------------
#
@ -76,23 +77,22 @@ class MessageLayer(GObject.GObject, osmgpsmap.MapLayer):
GObject.GObject.__init__(self)
self.message = []
self.color = "black"
self.font = "Arial"
self.size = 18
#families = font_map.list_families()
self.font = "Sans"
self.size = 13
def clear_messages(self):
"""
reset the layer attributes.
"""
self.message = []
self.message = ""
def clear_font_attributes(self):
"""
reset the font attributes.
"""
self.color = "black"
self.font = "Arial"
self.size = 18
self.font = "Sans"
self.size = 13
def set_font_attributes(self, font, size, color):
"""
@ -109,43 +109,36 @@ class MessageLayer(GObject.GObject, osmgpsmap.MapLayer):
"""
Add a message
"""
self.message.append(message)
self.message += "\n%s" % message if self.message is not "" else message
def do_draw(self, gpsmap, ctx):
"""
Draw the two extreme dates
Draw all the messages
"""
ctx.select_font_face(self.font,
cairo.FONT_SLANT_NORMAL,
cairo.FONT_WEIGHT_NORMAL)
ctx.set_font_size(int(self.size))
ctx.save()
font_size = "%s %d" % (self.font, self.size)
font = Pango.FontDescription(font_size)
descr = Pango.font_description_from_string(self.font)
descr.set_size(self.size * Pango.SCALE)
color = Gdk.color_parse(self.color)
ctx.set_source_rgba(float(color.red / 65535.0),
float(color.green / 65535.0),
float(color.blue / 65535.0),
0.9) # transparency
coord_x = 100
coord_y = int(self.size) # Show the first line under the zoom button
d_width = gpsmap.get_allocation().width
gpsmap.set_size_request(300,400)
d_width -= 100
for line in self.message:
line_to_print = line
(x_bearing, y_bearing, width, height, x_advance, y_advance) = ctx.text_extents(line_to_print)
while ( width > d_width ):
line_length = len(line_to_print)
character_length = int(width/line_length) + 1
max_length = int(d_width / character_length) - 1
while line_to_print[max_length] != ' ':
max_length -= 1 # cut the line at a new word
ctx.move_to(coord_x, coord_y)
ctx.show_text(line_to_print[:max_length])
line_to_print = line_to_print[max_length:]
(x_bearing, y_bearing, width, height, x_advance, y_advance) = ctx.text_extents(line_to_print)
coord_y += int(self.size) # calculate the next line position
ctx.move_to(coord_x, coord_y)
ctx.show_text(line_to_print)
coord_y += int(self.size) # calculate the next line position
ctx.save()
ctx.move_to(100, 5)
layout = PangoCairo.create_layout(ctx)
layout.set_font_description(descr)
layout.set_indent(Pango.SCALE * 0)
layout.set_alignment(Pango.Alignment.LEFT)
layout.set_wrap(Pango.WrapMode.WORD_CHAR)
layout.set_spacing(Pango.SCALE * 3)
layout.set_width(d_width * Pango.SCALE)
layout.set_text(self.message, -1)
PangoCairo.show_layout(ctx, layout)
ctx.restore()
ctx.stroke()
def do_render(self, gpsmap):