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Tweak the test to use realistic numbers. Some fixes

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This commit is contained in:
Marco Pesenti Gritti 2007-05-07 16:59:28 +02:00
parent fb019bc9f5
commit 6d5bc75092
2 changed files with 28 additions and 30 deletions
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29
sugar/graphics/spreadbox.py
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@ -21,7 +21,8 @@ from random import random
import hippo
_X_TILES = 120
_NUM_TRIALS = 100
_NUM_TRIALS = 20
_MAX_WEIGHT = 255
class _Grid(object):
def __init__(self, x_tiles, y_tiles, cell_size):
@ -84,30 +85,42 @@ class SpreadBox(hippo.CanvasBox, hippo.CanvasItem):
def remove_item(self, item):
self.remove(item)
def _place_item(self, item, x, y, w, h):
self._grid.add_weight_at(x, y, w, h)
self.set_position(item,
self._grid.cell_size * x,
self._grid.cell_size * y)
def _layout_item(self, item):
if not self._grid:
return
trials = _NUM_TRIALS
placed = False
best_weight = _MAX_WEIGHT
[width, height] = item.get_allocation()
w = int(width / self._grid.cell_size)
h = int(height / self._grid.cell_size)
while trials > 0 and not placed:
[width, height] = item.get_allocation()
cell_size = self._grid.cell_size
w = int(width / cell_size)
h = int(height / cell_size)
x = int(random() * (self._grid.x_tiles - w))
y = int(random() * (self._grid.y_tiles - h))
weight = self._grid.compute_weight_at(x, y, w, h)
if weight == 0:
self._grid.add_weight_at(x, y, w, h)
self.set_position(item, cell_size * x, cell_size * y)
self._place_item(item, x, y, w, h)
placed = True
elif weight < best_weight:
best_x = x
best_y = y
trials -= 1
if not placed:
self._place_item(item, best_x, best_y, w, h)
def _layout(self):
for item in self.get_children():
if item != self._center:

29
tests/test-snowflake-box.py
View File

@ -17,7 +17,7 @@
# Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
import sys
import random
from random import random
import pygtk
pygtk.require('2.0')
@ -33,14 +33,14 @@ from sugar.graphics.canvasicon import CanvasIcon
def _create_snowflake(parent, children):
color = XoColor()
icon = CanvasIcon(scale=1.0, xo_color=color,
icon = CanvasIcon(scale=0.8, xo_color=color,
icon_name='theme:object-link')
parent.append(icon, hippo.PACK_FIXED)
parent.set_root(icon)
for i in range(0, children):
color = XoColor()
icon = CanvasIcon(scale=0.5, xo_color=color,
icon = CanvasIcon(scale=0.4, xo_color=color,
icon_name='theme:stock-buddy')
parent.append(icon, hippo.PACK_FIXED)
@ -58,25 +58,10 @@ box = SnowflakeBox()
snow_flake = _create_snowflake(box, 0)
root_box.set_center_item(box)
box = SnowflakeBox()
snow_flake = _create_snowflake(box, 30)
root_box.add_item(box)
box = SnowflakeBox()
snow_flake = _create_snowflake(box, 15)
root_box.add_item(box)
box = SnowflakeBox()
snow_flake = _create_snowflake(box, 10)
root_box.add_item(box)
box = SnowflakeBox()
snow_flake = _create_snowflake(box, 5)
root_box.add_item(box)
box = SnowflakeBox()
snow_flake = _create_snowflake(box, 2)
root_box.add_item(box)
for i in range(0, 30):
box = SnowflakeBox()
snow_flake = _create_snowflake(box, int(2 + random() * 8))
root_box.add_item(box)
canvas.show()
window.add(canvas)