tc-homework2/utils/grid.py

1067 lines
39 KiB
Python

#!/usr/bin/env python
## -*- Mode: python; py-indent-offset: 4; indent-tabs-mode: nil; coding: utf-8; -*-
import cairo
import sys
import re
import gtk
class DataRange:
def __init__(self, start = 0, end = 0, value = ''):
self.start = start
self.end = end
self.value = value
class EventString:
def __init__(self, at = 0, value = ''):
self.at = at
self.value = value
class EventFloat:
def __init__(self, at = 0, value = 0.0):
self.at = at
self.value = value
class EventInt:
def __init__(self, at = 0, value = 0.0):
self.at = at
self.value = value
def ranges_cmp(a, b):
diff = a.start - b.start
if diff < 0:
return -1
elif diff > 0:
return +1
else:
return 0
def events_cmp(a, b):
diff = a.at - b.at
if diff < 0:
return -1
elif diff > 0:
return +1
else:
return 0
class TimelineDataRange:
def __init__(self, name = ''):
self.name = name
self.ranges = []
return
def __search(self, key):
l = 0
u = len(self.ranges)-1
while l <= u:
i = int((l + u) / 2)
if key >= self.ranges[i].start and key <= self.ranges[i].end:
return i
elif key < self.ranges[i].start:
u = i - 1
else:
# key > self.ranges[i].end
l = i + 1
return - 1
def add_range(self, range):
self.ranges.append(range)
def get_all(self):
return self.ranges
def get_ranges(self, start, end):
s = self.__search(start)
e = self.__search(end)
if s == -1 and e == -1:
return []
elif s == -1:
return self.ranges[0:e + 1]
elif e == -1:
return self.ranges[s:len(self.ranges)]
else:
return self.ranges[s:e + 1]
def get_ranges_bounds(self, start, end):
s = self.__search(start)
e = self.__search(end)
if s == -1 and e == -1:
return(0, 0)
elif s == -1:
return(0, e + 1)
elif e == -1:
return(s, len(self.ranges))
else:
return(s, e + 1)
def sort(self):
self.ranges.sort(ranges_cmp)
def get_bounds(self):
if len(self.ranges) > 0:
lo = self.ranges[0].start
hi = self.ranges[len(self.ranges)-1].end
return(lo, hi)
else:
return(0, 0)
class TimelineEvent:
def __init__(self, name = ''):
self.name = name
self.events = []
def __search(self, key):
l = 0
u = len(self.events)-1
while l <= u:
i = int((l + u) / 2)
if key == self.events[i].at:
return i
elif key < self.events[i].at:
u = i - 1
else:
# key > self.events[i].at
l = i + 1
return l
def add_event(self, event):
self.events.append(event)
def get_events(self, start, end):
s = self.__search(start)
e = self.__search(end)
return self.events[s:e + 1]
def get_events_bounds(self, start, end):
s = self.__search(start)
e = self.__search(end)
return(s, e + 1)
def sort(self):
self.events.sort(events_cmp)
def get_bounds(self):
if len(self.events) > 0:
lo = self.events[0].at
hi = self.events[-1].at
return(lo, hi)
else:
return(0, 0)
class Timeline:
def __init__(self, name = ''):
self.ranges = []
self.event_str = []
self.event_int = []
self.name = name
def get_range(self, name):
for range in self.ranges:
if range.name == name:
return range
timeline = TimelineDataRange(name)
self.ranges.append(timeline)
return timeline
def get_event_str(self, name):
for event_str in self.event_str:
if event_str.name == name:
return event_str
timeline = TimelineEvent(name)
self.event_str.append(timeline)
return timeline
def get_event_int(self, name):
for event_int in self.event_int:
if event_int.name == name:
return event_int
timeline = TimelineEvent(name)
self.event_int.append(timeline)
return timeline
def get_ranges(self):
return self.ranges
def get_events_str(self):
return self.event_str
def get_events_int(self):
return self.event_int
def sort(self):
for range in self.ranges:
range.sort()
for event in self.event_int:
event.sort()
for event in self.event_str:
event.sort()
def get_bounds(self):
lo = 0
hi = 0
for range in self.ranges:
(range_lo, range_hi) = range.get_bounds()
if range_lo < lo:
lo = range_lo
if range_hi > hi:
hi = range_hi
for event_str in self.event_str:
(ev_lo, ev_hi) = event_str.get_bounds()
if ev_lo < lo:
lo = ev_lo
if ev_hi > hi:
hi = ev_hi
for event_int in self.event_int:
(ev_lo, ev_hi) = event_int.get_bounds()
if ev_lo < lo:
lo = ev_lo
if ev_hi > hi:
hi = ev_hi
return(lo, hi)
class Timelines:
def __init__(self):
self.timelines = []
def get(self, name):
for timeline in self.timelines:
if timeline.name == name:
return timeline
timeline = Timeline(name)
self.timelines.append(timeline)
return timeline
def get_all(self):
return self.timelines
def sort(self):
for timeline in self.timelines:
timeline.sort()
def get_bounds(self):
lo = 0
hi = 0
for timeline in self.timelines:
(t_lo, t_hi) = timeline.get_bounds()
if t_lo < lo:
lo = t_lo
if t_hi > hi:
hi = t_hi
return(lo, hi)
def get_all_range_values(self):
range_values = {}
for timeline in self.timelines:
for ranges in timeline.get_ranges():
for ran in ranges.get_all():
range_values[ran.value] = 1
return range_values.keys()
class Color:
def __init__(self, r = 0.0, g = 0.0, b = 0.0):
self.r = r
self.g = g
self.b = b
def set(self, r, g, b):
self.r = r
self.g = g
self.b = b
class Colors:
# XXX add more
default_colors = [Color(1, 0, 0), Color(0, 1, 0), Color(0, 0, 1), Color(1, 1, 0), Color(1, 0, 1), Color(0, 1, 1)]
def __init__(self):
self.__colors = {}
def add(self, name, color):
self.__colors[name] = color
def lookup(self, name):
if not self.__colors.has_key(name):
self.add(name, self.default_colors.pop())
return self.__colors.get(name)
class TopLegendRenderer:
def __init__(self):
self.__padding = 10
def set_padding(self, padding):
self.__padding = padding
def set_legends(self, legends, colors):
self.__legends = legends
self.__colors = colors
def layout(self, width):
self.__width = width
surface = cairo.ImageSurface(cairo.FORMAT_ARGB32, 1, 1)
ctx = cairo.Context(surface)
line_height = 0
total_height = self.__padding
line_used = self.__padding
for legend in self.__legends:
(t_width, t_height) = ctx.text_extents(legend)[2:4]
item_width = self.__padding + self.__padding + t_width + self.__padding
item_height = t_height + self.__padding
if item_height > line_height:
line_height = item_height
if line_used + item_width > self.__width:
line_used = self.__padding + item_width
total_height += line_height
else:
line_used += item_width
x = line_used - item_width
total_height += line_height
self.__height = total_height
def get_height(self):
return self.__height
def draw(self, ctx):
i = 0
line_height = 0
total_height = self.__padding
line_used = self.__padding
for legend in self.__legends:
(t_width, t_height) = ctx.text_extents(legend)[2:4]
item_width = self.__padding + self.__padding + t_width + self.__padding
item_height = t_height + self.__padding
if item_height > line_height:
line_height = item_height
if line_used + item_width > self.__width:
line_used = self.__padding + item_width
total_height += line_height
else:
line_used += item_width
x = line_used - item_width
ctx.rectangle(x, total_height, self.__padding, self.__padding)
ctx.set_source_rgb(0, 0, 0)
ctx.set_line_width(2)
ctx.stroke_preserve()
ctx.set_source_rgb(self.__colors[i].r,
self.__colors[i].g,
self.__colors[i].b)
ctx.fill()
ctx.move_to(x + self.__padding*2, total_height + t_height)
ctx.set_source_rgb(0, 0, 0)
ctx.show_text(legend)
i += 1
return
class TimelinesRenderer:
def __init__(self):
self.padding = 10
return
def get_height(self):
return self.height
def set_timelines(self, timelines, colors):
self.timelines = timelines
self.colors = colors
def set_render_range(self, start, end):
self.start = start
self.end = end
def get_data_x_start(self):
return self.padding / 2 + self.left_width + self.padding + self.right_width + self.padding / 2
def layout(self, width):
surface = cairo.ImageSurface(cairo.FORMAT_ARGB32, 1, 1)
ctx = cairo.Context(surface)
max_text_height = ctx.text_extents("ABCDEFGHIJKLMNOPQRSTUVWXYZabcedefghijklmnopqrstuvwxyz0123456789")[3]
left_width = 0
right_width = 0
left_n_lines = 0
range_n = 0
eventint_n = 0
eventstr_n = 0
for timeline in self.timelines.get_all():
left_n_lines += 1
t_width = ctx.text_extents(timeline.name)[2]
left_width = max(left_width, t_width)
for rang in timeline.get_ranges():
t_width = ctx.text_extents(rang.name)[2]
right_width = max(right_width, t_width)
range_n += 1
for events_int in timeline.get_events_int():
t_width = ctx.text_extents(events_int.name)[2]
right_width = max(right_width, t_width)
eventint_n += 1
for events_str in timeline.get_events_str():
t_width = ctx.text_extents(events_str.name)[2]
right_width = max(right_width, t_width)
eventstr_n += 1
left_height = left_n_lines * max_text_height + (left_n_lines - 1) * self.padding
right_n_lines = range_n + eventint_n + eventstr_n
right_height = (right_n_lines - 1) * self.padding + right_n_lines * max_text_height
right_data_height = (eventint_n + eventstr_n) * (max_text_height + 5) + range_n * 10
right_data_height += (right_n_lines - 1) * self.padding
height = max(left_height, right_height)
height = max(height, right_data_height)
self.left_width = left_width
self.right_width = right_width
self.max_text_height = max_text_height
self.width = width
self.height = height + self.padding
def draw_line(self, ctx, x, y, width, height):
ctx.move_to(x, y)
ctx.rel_line_to(width, height)
ctx.close_path()
ctx.set_operator(cairo.OPERATOR_SOURCE)
ctx.set_line_width(1.0)
ctx.set_source_rgb(0, 0, 0)
ctx.stroke()
def draw_events(self, ctx, events, x, y, width, height):
if (self.grey_background % 2) == 0:
ctx.rectangle(x, y - self.padding / 2,
width, height + self.padding)
ctx.set_source_rgb(0.9, 0.9, 0.9)
ctx.fill()
last_x_drawn = int(x)
(lo, hi) = events.get_events_bounds(self.start, self.end)
for event in events.events[lo:hi]:
real_x = int(x + (event.at - self.start) * width / (self.end - self.start))
if real_x > last_x_drawn + 2:
ctx.rectangle(real_x, y, 1, 1)
ctx.set_source_rgb(1, 0, 0)
ctx.stroke()
ctx.move_to(real_x, y + self.max_text_height)
ctx.set_source_rgb(0, 0, 0)
ctx.show_text(str(event.value))
last_x_drawn = real_x
self.grey_background += 1
def draw_ranges(self, ctx, ranges, x, y, width, height):
if (self.grey_background % 2) == 0:
ctx.rectangle(x, y - self.padding / 2,
width, height + self.padding)
ctx.set_source_rgb(0.9, 0.9, 0.9)
ctx.fill()
last_x_drawn = int(x - 1)
(lo, hi) = ranges.get_ranges_bounds(self.start, self.end)
for data_range in ranges.ranges[lo:hi]:
s = max(data_range.start, self.start)
e = min(data_range.end, self.end)
x_start = int(x + (s - self.start) * width / (self.end - self.start))
x_end = int(x + (e - self.start) * width / (self.end - self.start))
if x_end > last_x_drawn:
ctx.rectangle(x_start, y, x_end - x_start, 10)
ctx.set_source_rgb(0, 0, 0)
ctx.stroke_preserve()
color = self.colors.lookup(data_range.value)
ctx.set_source_rgb(color.r, color.g, color.b)
ctx.fill()
last_x_drawn = x_end
self.grey_background += 1
def draw(self, ctx):
timeline_top = 0
top_y = self.padding / 2
left_x_start = self.padding / 2
left_x_end = left_x_start + self.left_width
right_x_start = left_x_end + self.padding
right_x_end = right_x_start + self.right_width
data_x_start = right_x_end + self.padding / 2
data_x_end = self.width
data_width = data_x_end - data_x_start
cur_y = top_y
self.draw_line(ctx, 0, 0, self.width, 0)
self.grey_background = 1
for timeline in self.timelines.get_all():
(y_bearing, t_width, t_height) = ctx.text_extents(timeline.name)[1:4]
ctx.move_to(left_x_start, cur_y + self.max_text_height - (t_height + y_bearing))
ctx.show_text(timeline.name);
for events_int in timeline.get_events_int():
(y_bearing, t_width, t_height) = ctx.text_extents(events_int.name)[1:4]
ctx.move_to(right_x_start, cur_y + self.max_text_height - (t_height + y_bearing))
ctx.show_text(events_int.name)
self.draw_events(ctx, events_int, data_x_start, cur_y, data_width, self.max_text_height + 5)
cur_y += self.max_text_height + 5 + self.padding
self.draw_line(ctx, right_x_start - self.padding / 2, cur_y - self.padding / 2,
self.right_width + self.padding, 0)
for events_str in timeline.get_events_str():
(y_bearing, t_width, t_height) = ctx.text_extents(events_str.name)[1:4]
ctx.move_to(right_x_start, cur_y + self.max_text_height - (t_height + y_bearing))
ctx.show_text(events_str.name)
self.draw_events(ctx, events_str, data_x_start, cur_y, data_width, self.max_text_height + 5)
cur_y += self.max_text_height + 5 + self.padding
self.draw_line(ctx, right_x_start - self.padding / 2, cur_y - self.padding / 2,
self.right_width + self.padding, 0)
for ranges in timeline.get_ranges():
(y_bearing, t_width, t_height) = ctx.text_extents(ranges.name)[1:4]
ctx.move_to(right_x_start, cur_y + self.max_text_height - (t_height + y_bearing))
ctx.show_text(ranges.name)
self.draw_ranges(ctx, ranges, data_x_start, cur_y, data_width, 10)
cur_y += self.max_text_height + self.padding
self.draw_line(ctx, right_x_start - self.padding / 2, cur_y - self.padding / 2,
self.right_width + self.padding, 0)
self.draw_line(ctx, 0, cur_y - self.padding / 2,
self.width, 0)
bot_y = cur_y - self.padding / 2
self.draw_line(ctx, left_x_end + self.padding / 2, 0,
0, bot_y)
self.draw_line(ctx, right_x_end + self.padding / 2, 0,
0, bot_y)
return
class ScaleRenderer:
def __init__(self):
self.__top = 0
return
def set_bounds(self, lo, hi):
self.__lo = lo
self.__hi = hi
def get_position(self, x):
real_x = (x - self.__lo ) * self.__width / (self.__hi - self.__lo)
return real_x
def set_top(self):
self.__top = 1
def set_bot(self):
self.__top = 0
def layout(self, width):
surface = cairo.ImageSurface(cairo.FORMAT_ARGB32, 1, 1)
ctx = cairo.Context(surface)
# calculate scale delta
data_delta = self.__hi - self.__lo
closest = 1
while (closest*10) < data_delta:
closest *= 10
if (data_delta / closest) == 0:
delta = closest
elif(data_delta / closest) == 1:
delta = closest / 10
else:
delta = closest
start = self.__lo - (self.__lo % delta) + delta
end = self.__hi - (self.__hi % delta)
self.__delta = delta
self.__width = width
# calculate text height
max_text_height = ctx.text_extents("ABCDEFGHIJKLMNOPQRSTUVWXYZabcedefghijklmnopqrstuvwxyz0123456789")[3]
self.max_text_height = max_text_height
height = max_text_height + 10
self.__height = height
def get_height(self):
return self.__height
def draw(self, ctx):
delta = self.__delta
start = self.__lo - (self.__lo % delta) + delta
end = self.__hi - (self.__hi % delta)
if self.__top == 1:
s = -1
else:
s = 1
# print scale points
ctx.set_source_rgb(0, 0, 0)
ctx.set_line_width(1.0)
ticks = range(int(start), int(end + delta), int(delta))
for x in ticks:
real_x = (x - self.__lo ) * self.__width / (self.__hi - self.__lo)
ctx.move_to(real_x, 0)
ctx.line_to(real_x, 5*s)
ctx.close_path()
ctx.stroke()
(t_y_bearing, t_width, t_height) = ctx.text_extents(str(x))[1:4]
if self.__top:
text_delta = t_height + t_y_bearing
else:
text_delta = -t_y_bearing
ctx.move_to(real_x - t_width / 2, (5 + 5 + text_delta)*s)
ctx.show_text(str(x))
# draw subticks
delta /= 10
if delta > 0:
start = self.__lo - (self.__lo % delta) + delta
end = self.__hi - (self.__hi % delta)
for x in range(int(start), int(end + delta), int(delta)):
real_x = (x - self.__lo ) * self.__width / (self.__hi - self.__lo)
ctx.move_to(real_x, 0)
ctx.line_to(real_x, 3*s)
ctx.close_path()
ctx.stroke()
class GraphicRenderer:
def __init__(self, start, end):
self.__start = float(start)
self.__end = float(end)
self.__mid_scale = ScaleRenderer()
self.__mid_scale.set_top()
self.__bot_scale = ScaleRenderer()
self.__bot_scale.set_bounds(start, end)
self.__bot_scale.set_bot()
self.__width = 1
self.__height = 1
def get_width(self):
return self.__width
def get_height(self):
return self.__height
# return x, y, width, height
def get_data_rectangle(self):
y_start = self.__top_legend.get_height()
x_start = self.__data.get_data_x_start()
return(x_start, y_start, self.__width - x_start, self.__data.get_height())
def scale_data(self, x):
x_start = self.__data.get_data_x_start()
x_scaled = x / (self.__width - x_start) * (self.__r_end - self.__r_start)
return x_scaled
# return x, y, width, height
def get_selection_rectangle(self):
y_start = self.__top_legend.get_height() + self.__data.get_height() + self.__mid_scale.get_height() + 20
y_height = self.__bot_scale.get_height() + 20
x_start = self.__bot_scale.get_position(self.__r_start)
x_end = self.__bot_scale.get_position(self.__r_end)
return(x_start, y_start, x_end - x_start, y_height)
def scale_selection(self, x):
x_scaled = x / self.__width * (self.__end - self.__start)
return x_scaled
def set_range(self, start, end):
s = min(start, end)
e = max(start, end)
start = max(self.__start, s)
end = min(self.__end, e)
self.__r_start = start
self.__r_end = end
self.__data.set_render_range(start, end)
self.__mid_scale.set_bounds(start, end)
self.layout(self.__width, self.__height)
def get_range(self):
return(self.__r_start, self.__r_end)
def set_data(self, data):
self.__data = data
def set_top_legend(self, top_legend):
self.__top_legend = top_legend
def layout(self, width, height):
self.__width = width
self.__height = height
self.__top_legend.layout(width)
top_legend_height = self.__top_legend.get_height()
self.__data.layout(width)
self.__mid_scale.layout(width - self.__data.get_data_x_start())
self.__bot_scale.layout(width)
return
def __x_pixel(self, x, width):
new_x = (x - self.__start) * width / (self.__end - self.__start)
return new_x
def draw(self, ctx):
# default background is white
ctx.save()
ctx.set_source_rgb(1, 1, 1)
ctx.set_operator(cairo.OPERATOR_SOURCE)
ctx.rectangle(0, 0, self.__width, self.__height)
ctx.fill()
# top legend
ctx.save()
self.__top_legend.draw(ctx)
top_legend_height = self.__top_legend.get_height()
ctx.restore()
# separation line
ctx.move_to(0, top_legend_height)
ctx.line_to(self.__width, top_legend_height)
ctx.close_path()
ctx.set_line_width(2)
ctx.set_source_rgb(0, 0, 0)
ctx.stroke()
# data
ctx.save()
ctx.translate(0,
top_legend_height)
self.__data.draw(ctx)
ctx.restore()
# scale below data
ctx.save()
ctx.translate(self.__data.get_data_x_start(),
top_legend_height + self.__data.get_height() + self.__mid_scale.get_height())
self.__mid_scale.draw(ctx)
ctx.restore()
height_used = top_legend_height + self.__data.get_height() + self.__mid_scale.get_height()
# separation between scale and left pane
ctx.move_to(self.__data.get_data_x_start(), height_used)
ctx.rel_line_to(0, -self.__mid_scale.get_height())
ctx.close_path()
ctx.set_source_rgb(0, 0, 0)
ctx.set_line_width(2)
ctx.stroke()
# separation below scale
ctx.move_to(0, height_used)
ctx.line_to(self.__width, height_used)
ctx.close_path()
ctx.set_line_width(2)
ctx.set_source_rgb(0, 0, 0)
ctx.stroke()
select_start = self.__bot_scale.get_position(self.__r_start)
select_end = self.__bot_scale.get_position(self.__r_end)
# left connection between top scale and bottom scale
ctx.move_to(0, height_used);
ctx.line_to(self.__data.get_data_x_start(), height_used)
ctx.line_to(select_start, height_used + 20)
ctx.line_to(0, height_used + 20)
ctx.line_to(0, height_used)
ctx.set_source_rgb(0, 0, 0)
ctx.set_line_width(1)
ctx.stroke_preserve()
ctx.set_source_rgb(0.9, 0.9, 0.9)
ctx.fill()
# right connection between top scale and bottom scale
ctx.move_to(self.__width, height_used)
ctx.line_to(self.__width, height_used + 20)
ctx.line_to(select_end, height_used + 20)
ctx.line_to(self.__width, height_used)
ctx.set_source_rgb(0, 0, 0)
ctx.set_line_width(1)
ctx.stroke_preserve()
ctx.set_source_rgb(0.9, 0.9, 0.9)
ctx.fill()
height_used += 20
# unused area background
unused_start = self.__bot_scale.get_position(self.__r_start)
unused_end = self.__bot_scale.get_position(self.__r_end)
unused_height = self.__bot_scale.get_height() + 20
ctx.rectangle(0, height_used,
unused_start,
unused_height)
ctx.rectangle(unused_end,
height_used,
self.__width - unused_end,
unused_height)
ctx.set_source_rgb(0.9, 0.9, 0.9)
ctx.fill()
# border line around bottom scale
ctx.move_to(unused_end, height_used)
ctx.line_to(self.__width, height_used)
ctx.line_to(self.__width, height_used + unused_height)
ctx.line_to(0, height_used + unused_height)
ctx.line_to(0, height_used)
ctx.line_to(unused_start, height_used)
ctx.close_path()
ctx.set_line_width(2)
ctx.set_source_rgb(0, 0, 0)
ctx.stroke()
ctx.move_to(unused_start, height_used)
ctx.line_to(unused_end, height_used)
ctx.close_path()
ctx.set_line_width(1)
ctx.set_source_rgb(0.9, 0.9, 0.9)
ctx.stroke()
# unused area dot borders
ctx.save()
ctx.move_to(max(unused_start, 2), height_used)
ctx.rel_line_to(0, unused_height)
ctx.move_to(min(unused_end, self.__width - 2), height_used)
ctx.rel_line_to(0, unused_height)
ctx.set_dash([5], 0)
ctx.set_source_rgb(0, 0, 0)
ctx.set_line_width(1)
ctx.stroke()
ctx.restore()
# bottom scale
ctx.save()
ctx.translate(0, height_used)
self.__bot_scale.draw(ctx)
ctx.restore()
class GtkGraphicRenderer(gtk.DrawingArea):
def __init__(self, data):
super(GtkGraphicRenderer, self).__init__()
self.__data = data
self.__moving_left = False
self.__moving_right = False
self.__moving_both = False
self.__moving_top = False
self.__force_full_redraw = True
self.add_events(gtk.gdk.POINTER_MOTION_MASK)
self.add_events(gtk.gdk.BUTTON_PRESS_MASK)
self.add_events(gtk.gdk.BUTTON_RELEASE_MASK)
self.connect("expose_event", self.expose)
self.connect('size-allocate', self.size_allocate)
self.connect('motion-notify-event', self.motion_notify)
self.connect('button-press-event', self.button_press)
self.connect('button-release-event', self.button_release)
def set_smaller_zoom(self):
(start, end) = self.__data.get_range()
self.__data.set_range(start, start + (end - start)*2)
self.__force_full_redraw = True
self.queue_draw()
def set_bigger_zoom(self):
(start, end) = self.__data.get_range()
self.__data.set_range(start, start + (end - start) / 2)
self.__force_full_redraw = True
self.queue_draw()
def output_png(self, filename):
surface = cairo.ImageSurface(cairo.FORMAT_ARGB32,
self.__data.get_width(),
self.__data.get_height())
ctx = cairo.Context(self.__buffer_surface)
self.__data.draw(ctx)
surface.write_to_png(filename)
def button_press(self, widget, event):
(x, y, width, height) = self.__data.get_selection_rectangle()
(d_x, d_y, d_width, d_height) = self.__data.get_data_rectangle()
if event.y > y and event.y < y + height:
if abs(event.x - x) < 5:
self.__moving_left = True
return True
if abs(event.x - (x + width)) < 5:
self.__moving_right = True
return True
if event.x > x and event.x < x + width:
self.__moving_both = True
self.__moving_both_start = event.x
self.__moving_both_cur = event.x
return True
if event.y > d_y and event.y < (d_y + d_height):
if event.x > d_x and event.x < (d_x + d_width):
self.__moving_top = True
self.__moving_top_start = event.x
self.__moving_top_cur = event.x
return True
return False
def button_release(self, widget, event):
if self.__moving_left:
self.__moving_left = False
left = self.__data.scale_selection(self.__moving_left_cur)
right = self.__data.get_range()[1]
self.__data.set_range(left, right)
self.__force_full_redraw = True
self.queue_draw()
return True
if self.__moving_right:
self.__moving_right = False
right = self.__data.scale_selection(self.__moving_right_cur)
left = self.__data.get_range()[0]
self.__data.set_range(left, right)
self.__force_full_redraw = True
self.queue_draw()
return True
if self.__moving_both:
self.__moving_both = False
delta = self.__data.scale_selection(self.__moving_both_cur - self.__moving_both_start)
(left, right) = self.__data.get_range()
self.__data.set_range(left + delta, right + delta)
self.__force_full_redraw = True
self.queue_draw()
return True
if self.__moving_top:
self.__moving_top = False
return False
def motion_notify(self, widget, event):
(x, y, width, height) = self.__data.get_selection_rectangle()
if self.__moving_left:
if event.x <= 0:
self.__moving_left_cur = 0
elif event.x >= x + width:
self.__moving_left_cur = x + width
else:
self.__moving_left_cur = event.x
self.queue_draw_area(0, int(y), int(self.__width), int(height))
return True
if self.__moving_right:
if event.x >= self.__width:
self.__moving_right = self.__width
elif event.x < x:
self.__moving_right_cur = x
else:
self.__moving_right_cur = event.x
self.queue_draw_area(0, int(y), int(self.__width), int(height))
return True
if self.__moving_both:
cur_e = self.__width - (x + width - self.__moving_both_start)
cur_s = (self.__moving_both_start - x)
if event.x < cur_s:
self.__moving_both_cur = cur_s
elif event.x > cur_e:
self.__moving_both_cur = cur_e
else:
self.__moving_both_cur = event.x
self.queue_draw_area(0, int(y), int(self.__width), int(height))
return True
if self.__moving_top:
self.__moving_top_cur = event.x
delta = self.__data.scale_data(self.__moving_top_start - self.__moving_top_cur)
(left, right) = self.__data.get_range()
self.__data.set_range(left + delta, right + delta)
self.__force_full_redraw = True
self.__moving_top_start = event.x
self.queue_draw()
return True
(d_x, d_y, d_width, d_height) = self.__data.get_data_rectangle()
if event.y > y and event.y < y + height:
if abs(event.x - x) < 5 or abs(event.x - (x + width)) < 5:
widget.window.set_cursor(gtk.gdk.Cursor(gtk.gdk.SB_H_DOUBLE_ARROW))
return True
if event.x > x and event.x < x + width:
widget.window.set_cursor(gtk.gdk.Cursor(gtk.gdk.FLEUR))
return True
if event.y > d_y and event.y < (d_y + d_height):
if event.x > d_x and event.x < (d_x + d_width):
widget.window.set_cursor(gtk.gdk.Cursor(gtk.gdk.FLEUR))
return True
widget.window.set_cursor(None)
return False
def size_allocate(self, widget, allocation):
self.__width = allocation.width
self.__height = allocation.height
self.__data.layout(allocation.width, allocation.height)
self.__force_full_redraw = True
self.queue_draw()
def expose(self, widget, event):
if self.__force_full_redraw:
self.__buffer_surface = cairo.ImageSurface(cairo.FORMAT_ARGB32,
self.__data.get_width(),
self.__data.get_height())
ctx = cairo.Context(self.__buffer_surface)
self.__data.draw(ctx)
self.__force_full_redraw = False
ctx = widget.window.cairo_create()
ctx.rectangle(event.area.x, event.area.y,
event.area.width, event.area.height)
ctx.clip()
ctx.set_source_surface(self.__buffer_surface)
ctx.paint()
(x, y, width, height) = self.__data.get_selection_rectangle()
if self.__moving_left:
ctx.move_to(max(self.__moving_left_cur, 2), y)
ctx.rel_line_to(0, height)
ctx.close_path()
ctx.set_line_width(1)
ctx.set_source_rgb(0, 0, 0)
ctx.stroke()
if self.__moving_right:
ctx.move_to(min(self.__moving_right_cur, self.__width - 2), y)
ctx.rel_line_to(0, height)
ctx.close_path()
ctx.set_line_width(1)
ctx.set_source_rgb(0, 0, 0)
ctx.stroke()
if self.__moving_both:
delta_x = self.__moving_both_cur - self.__moving_both_start
left_x = x + delta_x
ctx.move_to(x + delta_x, y)
ctx.rel_line_to(0, height)
ctx.close_path()
ctx.move_to(x + width + delta_x, y)
ctx.rel_line_to(0, height)
ctx.close_path()
ctx.set_source_rgb(0, 0, 0)
ctx.set_line_width(1)
ctx.stroke()
return False
class MainWindow:
def __init__(self):
return
def run(self, graphic):
window = gtk.Window()
self.__window = window
window.set_default_size(200, 200)
vbox = gtk.VBox()
window.add(vbox)
render = GtkGraphicRenderer(graphic)
self.__render = render
vbox.pack_end(render, True, True, 0)
hbox = gtk.HBox()
vbox.pack_start(hbox, False, False, 0)
smaller_zoom = gtk.Button("Zoom Out")
smaller_zoom.connect("clicked", self.__set_smaller_cb)
hbox.pack_start(smaller_zoom)
bigger_zoom = gtk.Button("Zoom In")
bigger_zoom.connect("clicked", self.__set_bigger_cb)
hbox.pack_start(bigger_zoom)
output_png = gtk.Button("Output Png")
output_png.connect("clicked", self.__output_png_cb)
hbox.pack_start(output_png)
window.connect('destroy', gtk.main_quit)
window.show_all()
#gtk.bindings_activate(gtk.main_quit, 'q', 0)
gtk.main()
def __set_smaller_cb(self, widget):
self.__render.set_smaller_zoom()
def __set_bigger_cb(self, widget):
self.__render.set_bigger_zoom()
def __output_png_cb(self, widget):
dialog = gtk.FileChooserDialog("Output Png", self.__window,
gtk.FILE_CHOOSER_ACTION_SAVE, ("Save", 1))
self.__dialog = dialog
dialog.set_default_response(1)
dialog.connect("response", self.__dialog_response_cb)
dialog.show()
return
def __dialog_response_cb(self, widget, response):
if response == 1:
filename = self.__dialog.get_filename()
self.__render.output_png(filename)
widget.hide()
return
def read_data(filename):
timelines = Timelines()
colors = Colors()
fh = open(filename)
m1 = re.compile('range ([^ ]+) ([^ ]+) ([^ ]+) ([0-9]+) ([0-9]+)')
m2 = re.compile('event-str ([^ ]+) ([^ ]+) ([^ ]+) ([0-9]+)')
m3 = re.compile('event-int ([^ ]+) ([^ ]+) ([0-9]+) ([0-9]+)')
m4 = re.compile('color ([^ ]+) #([a-fA-F0-9]{2,2})([a-fA-F0-9]{2,2})([a-fA-F0-9]{2,2})')
for line in fh.readlines():
m = m1.match(line)
if m:
line_name = m.group(1)
timeline = timelines.get(m.group(1))
rang = timeline.get_range(m.group(2))
data_range = DataRange()
data_range.value = m.group(3)
data_range.start = int(m.group(4))
data_range.end = int(m.group(5))
rang.add_range(data_range)
continue
m = m2.match(line)
if m:
line_name = m.group(1)
timeline = timelines.get(m.group(1))
ev = timeline.get_event_str(m.group(2))
event = EventString()
event.value = m.group(3)
event.at = int(m.group(4))
ev.add_event(event)
continue
m = m3.match(line)
if m:
line_name = m.group(1)
timeline = timelines.get(m.group(1))
ev = timeline.get_event_int(m.group(2))
event = EventInt()
event.value = int(m.group(3))
event.at = int(m.group(4))
ev.add_event(event)
continue
m = m4.match(line)
if m:
r = int(m.group(2), 16)
g = int(m.group(3), 16)
b = int(m.group(4), 16)
color = Color(r / 255, g / 255, b / 255)
colors.add(m.group(1), color)
continue
timelines.sort()
return (colors, timelines)
def main():
(colors, timelines) = read_data(sys.argv[1])
(lower_bound, upper_bound) = timelines.get_bounds()
graphic = GraphicRenderer(lower_bound, upper_bound)
top_legend = TopLegendRenderer()
range_values = timelines.get_all_range_values()
range_colors = []
for range_value in range_values:
range_colors.append(colors.lookup(range_value))
top_legend.set_legends(range_values,
range_colors)
graphic.set_top_legend(top_legend)
data = TimelinesRenderer()
data.set_timelines(timelines, colors)
graphic.set_data(data)
# default range
range_mid = (upper_bound - lower_bound) / 2
range_width = (upper_bound - lower_bound) / 10
range_lo = range_mid - range_width / 2
range_hi = range_mid + range_width / 2
graphic.set_range(range_lo, range_hi)
main_window = MainWindow()
main_window.run(graphic)
main()