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# -*- coding: utf-8 -*-
# This file is part of emesene.
#
# Emesene 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.
#
# emesene 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 emesene; if not, write to the Free Software
# Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
import gtk
import gtk.gdk
import cairo
import gobject
class FancyAvatarRenderer ( gtk.GenericCellRenderer ):
"""Renderer for avatar """
__gproperties__ = {
'pixbuf': (gtk.gdk.Pixbuf, 'Pixbuf','Pixbuf',gobject.PARAM_READWRITE),
'blocked': (bool , 'User Blocked status', '',False, gobject.PARAM_READWRITE),
'dimention' : (gobject.TYPE_INT, 'cell dimentions', 'height width of cell', 0, 96, 32, gobject.PARAM_READWRITE),
'status': (str, 'Contact status', '','FLN', gobject.PARAM_READWRITE),
'radius_factor' : (gobject.TYPE_FLOAT,'radius of pixbuf',
'0.0 to 0.5 with 0.1 = 10% of dimention',0.0, 0.5,0.11, gobject.PARAM_READWRITE),
}
def __init__(self, controller, cellDimention = 32, cellRadius = 0.11):
#gobject.GObject.__init__(self)
self.__gobject_init__()
self._pixbuf = None
self._status = 'FLN'
self._blocked = False
self._dimention = cellDimention
self._radius_factor = cellRadius
self.set_property('xpad', 1)
self.set_property('ypad', 1)
self._theme = controller.theme
self._config = controller.config
#set up information of statusTransformation
self.__set_transformation(self._config.user['statusTransformation'])
self.transId = self._config.connect('change::statusTransformation', \
self.__transformation_callback)
def destroy(self):
self._config.disconnect(self.transId)
gtk.GenericCellRenderer.destroy(self)
def __set_transformation(self, setting):
transformation = setting.split('|')
if 'pixelate' in transformation: self._pixalated = True
else: self._pixalated = False
if 'corner' in transformation: self._corner = True
else: self._corner = False
if 'alpha' in transformation: self._alpha_status = True
else: self._alpha_status = False
if 'mini' in transformation: self._mini = True
else: self._mini = False
def __transformation_callback(self, config, newvalue, oldvalue):
self.__set_transformation(newvalue)
def do_get_property(self, property):
if property.name == 'pixbuf':
return self._pixbuf
elif property.name == 'dimention':
return self._dimention
elif property.name == 'radius-factor':
return self._radius_factor
elif property.name == 'blocked':
return self._blocked
elif property.name == 'status':
return self._status
else:
raise AttributeError, 'unknown property %s' % property.name
def do_set_property(self, property, value):
if property.name == 'pixbuf':
self._pixbuf = value
elif property.name == 'dimention':
self._dimention = value
elif property.name == 'radius-factor':
self._radius_factor = value
elif property.name == 'blocked':
self._blocked = value
elif property.name == 'status':
self._status = value
else:
raise AttributeError, 'unknown property %s' % property.name
def on_get_size( self, widget, cell_area=None ):
xpad,ypad = self.get_property('xpad'), self.get_property('ypad')
if self._dimention >= 32: width = self._dimention
elif self._mini: width = self._dimention
elif self._corner: width = self._dimention * 2
else: width = self._dimention
height = self._dimention + (ypad *2)
return ( 0, 0, width, height)
def on_render( self, window, widget, background_area, cell_area, expose_area, flags ):
avatar = self._pixbuf
overlay = None
alpha = 1
if self._pixalated: avatar = __getPixalate(self._pixbuf)
if self._corner: overlay = self.__getOverlay()
if self._alpha_status: alpha = self.__getAlpha()
xpad,ypad = self.get_property('xpad'), self.get_property('ypad')
cell_x, cell_y, cell_width, cell_height = cell_area
ctx = window.cairo_create()
ctx.translate(cell_x,cell_y)
if not avatar == None:
self.__drawScalePixbuf( ctx,avatar,cell_width - self._dimention,ypad ,self._dimention,
gtk.ANCHOR_CENTER, self._radius_factor, alpha)
if not overlay == None:
if self._dimention >= 32 :
self.__drawScalePixbuf( ctx,overlay,cell_width - 16, ypad + self._dimention - 16,16, position = gtk.ANCHOR_SW)
elif self._mini:
self.__drawScalePixbuf( ctx,overlay,cell_width - 8, ypad + self._dimention - 8,8, position = gtk.ANCHOR_SW)
else:
self.__drawScalePixbuf( ctx,overlay,0,ypad ,16)
def __getAlpha(self):
if self._status in ['IDL', 'FLN']: return 0.75
else: return 1
def __getOverlay(self):
if self._blocked:
return self._theme.getImage('status-blocked')
elif self._status in ['AWY','BRB','LUN','IDL' ] :
return self._theme.getImage('status-away')
elif self._status in ['BSY','PHN' ] :
return self._theme.getImage('status-busy')
else:
return None
def __getPixalate( self, pixbuf ):
pixbuf_to_modify = pixbuf.copy()
if not self._status == 'NLN':
if contact.status == 'BSY':
pixbuf_to_modify.saturate_and_pixelate(pixbuf,1.0, True)
else:
pixbuf_to_modify.saturate_and_pixelate(pixbuf,0.1, False)
return pixbuf_to_modify
def __drawScalePixbuf(self, ctx, pixbuf, x,y , dimention, position = gtk.ANCHOR_CENTER, radius = 0, alpha = 1 ):
ctx.save()
ctx.set_antialias(cairo.ANTIALIAS_SUBPIXEL)
ctx.translate(x,y)
pix_width = pixbuf.get_width()
pix_height = pixbuf.get_height()
if (pix_width > dimention) or (pix_height > dimention):
scale_factor = float(dimention) / max (pix_width,pix_height)
else:
scale_factor = 1
scale_width = pix_width* scale_factor
scale_height = pix_height* scale_factor
#tranlate position
if position in [gtk.ANCHOR_NW,gtk.ANCHOR_W,gtk.ANCHOR_SW] : x = 0
elif position in [gtk.ANCHOR_N,gtk.ANCHOR_CENTER,gtk.ANCHOR_S] : x = (dimention/2) - (scale_width/2)
else: x = dimention - scale_width
if position in [gtk.ANCHOR_NW,gtk.ANCHOR_N,gtk.ANCHOR_NE] : y = 0
elif position in [gtk.ANCHOR_E,gtk.ANCHOR_CENTER,gtk.ANCHOR_W] : y = (dimention/2) - (scale_height/2)
else: y = dimention - scale_height
ctx.translate(x, y)
if radius > 0 :
self.__roundedrecMoonlight(ctx,0,0,scale_width,scale_height, self._dimention * radius)
ctx.clip()
ctx.scale(scale_factor,scale_factor)
ctx.set_source_pixbuf(pixbuf,0,0)
ctx.paint_with_alpha(alpha)
ctx.restore()
def __roundedrecMoonlight(self, cr,x,y,w,h,radius=5):
# http://cairographics.org/cookbook/roundedrectangles/
# modified from mono moonlight aka mono silverlight
# test limits (without using multiplications)
# http://graphics.stanford.edu/courses/cs248-98-fall/Final/q1.html
ARC_TO_BEZIER = 0.55228475
if radius > (min(w,h)/2):
radius = (min(w,h)/2)
#approximate (quite close) the arc using a bezier curve
c = ARC_TO_BEZIER * radius
cr.new_path();
cr.move_to ( x + radius, y)
cr.rel_line_to ( w - 2 * radius, 0.0)
cr.rel_curve_to ( c, 0.0, radius, c, radius, radius)
cr.rel_line_to ( 0, h - 2 * radius)
cr.rel_curve_to ( 0.0, c, c - radius, radius, -radius, radius)
cr.rel_line_to ( -w + 2 * radius, 0)
cr.rel_curve_to ( -c, 0, -radius, -c, -radius, -radius)
cr.rel_line_to (0, -h + 2 * radius)
cr.rel_curve_to (0.0, -c, radius - c, -radius, radius, -radius)
cr.close_path ()
gobject.type_register( FancyAvatarRenderer )
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