3 # vim: sw=4 ts=4 expandtab ai
5 from random import random
6 from math import pi, cos, sin, sqrt
9 #==============================================================================
11 class Cli_Presentation(object):
14 #==============================================================================
16 class Gtk_Presentation(object):
17 def __init__(self, filelist, maxdata=10):
19 import cairo; global cairo
20 import pycha.bar; global pycha
22 drawing = gtk.DrawingArea()
23 drawing.connect('expose-event', self.expose_event)
25 # `maxdata` biggest files from list
26 filelist.sort(reverse=True)
27 filelist = filelist[:maxdata]
32 [(i, d[0]) for i, d in enumerate(filelist)]),
35 # labels for bar chart
36 ticks = [dict(v=i, label=os.path.basename(d[1])) for i, d in enumerate(filelist)]
51 'chartColor': '#d8e7ec',
52 'baseColor': '#efebe7',
53 'lineColor': '#444444'
67 self.toplevel = drawing
69 def expose_event(self, widget, event):
70 x, y, w, h, _ = widget.window.get_geometry()
71 surface = cairo.ImageSurface(cairo.FORMAT_ARGB32, w, h)
73 cr = widget.window.cairo_create() # cairo context
74 cr.set_source_surface(surface, 0, 0)
76 chart = pycha.bar.VerticalBarChart(surface, self.options)
77 chart.addDataset(self.data)