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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 from gi.repository import Gdk
import cairo import cairo
from gi.repository import Pango, PangoCairo
#------------------------------------------------------------------------- #-------------------------------------------------------------------------
# #
@ -76,23 +77,22 @@ class MessageLayer(GObject.GObject, osmgpsmap.MapLayer):
GObject.GObject.__init__(self) GObject.GObject.__init__(self)
self.message = [] self.message = []
self.color = "black" self.color = "black"
self.font = "Arial" self.font = "Sans"
self.size = 18 self.size = 13
#families = font_map.list_families()
def clear_messages(self): def clear_messages(self):
""" """
reset the layer attributes. reset the layer attributes.
""" """
self.message = [] self.message = ""
def clear_font_attributes(self): def clear_font_attributes(self):
""" """
reset the font attributes. reset the font attributes.
""" """
self.color = "black" self.color = "black"
self.font = "Arial" self.font = "Sans"
self.size = 18 self.size = 13
def set_font_attributes(self, font, size, color): def set_font_attributes(self, font, size, color):
""" """
@ -109,43 +109,36 @@ class MessageLayer(GObject.GObject, osmgpsmap.MapLayer):
""" """
Add a message 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): def do_draw(self, gpsmap, ctx):
""" """
Draw the two extreme dates Draw all the messages
""" """
ctx.select_font_face(self.font, ctx.save()
cairo.FONT_SLANT_NORMAL, font_size = "%s %d" % (self.font, self.size)
cairo.FONT_WEIGHT_NORMAL) font = Pango.FontDescription(font_size)
ctx.set_font_size(int(self.size)) descr = Pango.font_description_from_string(self.font)
descr.set_size(self.size * Pango.SCALE)
color = Gdk.color_parse(self.color) color = Gdk.color_parse(self.color)
ctx.set_source_rgba(float(color.red / 65535.0), ctx.set_source_rgba(float(color.red / 65535.0),
float(color.green / 65535.0), float(color.green / 65535.0),
float(color.blue / 65535.0), float(color.blue / 65535.0),
0.9) # transparency 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 d_width = gpsmap.get_allocation().width
gpsmap.set_size_request(300,400)
d_width -= 100 d_width -= 100
for line in self.message: ctx.save()
line_to_print = line ctx.move_to(100, 5)
(x_bearing, y_bearing, width, height, x_advance, y_advance) = ctx.text_extents(line_to_print) layout = PangoCairo.create_layout(ctx)
while ( width > d_width ): layout.set_font_description(descr)
line_length = len(line_to_print) layout.set_indent(Pango.SCALE * 0)
character_length = int(width/line_length) + 1 layout.set_alignment(Pango.Alignment.LEFT)
max_length = int(d_width / character_length) - 1 layout.set_wrap(Pango.WrapMode.WORD_CHAR)
while line_to_print[max_length] != ' ': layout.set_spacing(Pango.SCALE * 3)
max_length -= 1 # cut the line at a new word layout.set_width(d_width * Pango.SCALE)
ctx.move_to(coord_x, coord_y) layout.set_text(self.message, -1)
ctx.show_text(line_to_print[:max_length]) PangoCairo.show_layout(ctx, layout)
line_to_print = line_to_print[max_length:] ctx.restore()
(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.stroke() ctx.stroke()
def do_render(self, gpsmap): def do_render(self, gpsmap):