def mouse_down(self, e):
l, t, r, b = self.viewed_rect()
x, y = e.position
red = float(x - l) / float(r - l)
green = float(r - x) / float(r - l)
blue = float(y - b) / float(t - b)
self.model.set_color(rgb(red, green, blue))
def mouse_down(self, e):
l, t, r, b = self.viewed_rect()
x, y = e.position
red = float(x - l) / float(r - l)
green = float(r - x) / float(r - l)
blue = float(y - b) / float(t - b)
self.model.set_color(rgb(red, green, blue))
class TestDoc(Document):
color = rgb(0.5, 0.5, 0.5)
def set_color(self, c):
self.color = c
self.changed()
self.notify_views()
def draw(self, c, r):
#print "Draw" ###
c.forecolor = rgb(0.5, 0.75, 1.0)
c.fill_rect(self.viewed_rect())
c.forecolor = black
pm = self.pixmap
sr = pm.bounds
for i in range(3):
dr = offset_rect(sr, (10 + i * 50, 10 + i * 60))
pm.draw(c, sr, dr)
def draw(self, c, r):
#print "Draw" ###
c.forecolor = rgb(0.5, 0.75, 1.0)
c.fill_rect(self.viewed_rect())
c.forecolor = black
pm = self.pixmap
sr = pm.bounds
for i in range(3):
dr = offset_rect(sr, (10 + i * 50, 10 + i * 60))
pm.draw(c, sr, dr)
from GUI import Window, View, application, rgb
from GUI.Geometry import offset_rect, rect_sized
from GUI.StdColors import yellow
from GUI.PIL import image_from_pil_image
import Image
from testing import say
from GUI import PIL
PIL.debug_pil = True
skyblue = rgb(102/255.0, 204/255.0, 1.0)
class ImageTestView(View):
def draw(self, c, r):
c.backcolor = skyblue
c.erase_rect(r)
main_image_pos = (50, 50)
src_rect = image.bounds
#say("Image bounds =", src_rect)
dst_rect = offset_rect(src_rect, main_image_pos)
#say("Drawing", src_rect, "in", dst_rect)
image.draw(c, src_rect, dst_rect)
import os, sys
here = sys.path[0]
image_path = os.path.join(here, "pill.png")
pil_image = Image.open(image_path)
print "PIL Image: size =", pil_image.size, "mode =", pil_image.mode
image = image_from_pil_image(pil_image)
def report():
say("Check box set to", box.on)
def change_auto_toggle():
box.auto_toggle = auto.on
say("Auto toggling =", box.auto_toggle)
box = CheckBox(
x = 20, y = 20,
title = "Check Box", action = report)
auto = CheckBox(x = 20, y = box.bottom + 10,
title = "Auto Toggle",
action = change_auto_toggle,
color = rgb(1, 0, 0),
on = 1)
def update_allow_mixed():
state = allow_mixed.on
box.mixed = state
mixed.enabled = state
allow_mixed = CheckBox(x = 20, y = auto.bottom + 10,
title = "Allow Mixed",
action = update_allow_mixed)
def make_mixed():
try:
box.on = 'mixed'
except ValueError:
class GridView(ScrollableView):
"""A ScrollableView consisting of a grid of equal-sized cells."""
num_columns = overridable_property('num_columns',
"Width of the view in columns")
num_rows = overridable_property('num_rows', "Height of the view in rows")
cell_size = overridable_property('cell_size', "Size of each cell")
backcolor = overridable_property('backcolor', "Background fill colour")
_cell_size = (32, 32)
_num_rows = 0
_num_columns = 0
_backcolor = rgb(1, 1, 1, 1)
def __init__(self, num_rows, num_columns, cell_size, **kwds):
ScrollableView.__init__(self)
self._num_rows = num_rows
self._num_columns = num_columns
self._cell_size = cell_size
self._update_extent()
self.set(**kwds)
def get_cell_size(self):
return self._cell_size
def set_cell_size(self, x):
self._cell_size = x
self._update_extent()
def get_num_rows(self):
return self._num_rows
def set_num_rows(self, x):
self._num_rows = x
self._update_extent()
def get_num_columns(self):
return self._num_columns
def set_num_columns(self, x):
self._num_columns = x
self._update_extent()
def _update_extent(self):
cw, ch = self._cell_size
nr = self._num_rows
nc = self._num_columns
self.extent = (cw * nc, ch * nr)
def cell_rect(self, row, col):
w, h = self._cell_size
l = col * w
t = row * h
return (l, t, l + w, t + h)
def get_backcolor(self):
return self._backcolor
def set_backcolor(self, x):
self._backcolor = x
def cell_containing_point(self, p):
x, y = p
cw, ch = self.cell_size
return (int(y // ch), int(x // cw))
def draw(self, canvas, update_rect):
canvas.backcolor = self.backcolor
canvas.erase_rect(update_rect)
ul, ut, ur, ub = update_rect
nr = self._num_rows
nc = self._num_columns
cw, ch = self.cell_size
row0 = max(0, int(ut // ch))
row1 = min(nr, int(ub // ch) + 1)
col0 = max(0, int(ul // cw))
col1 = min(nc, int(ur // cw) + 1)
row_range = xrange(row0, row1)
col_range = xrange(col0, col1)
for row in row_range:
for col in col_range:
rect = self.cell_rect(row, col)
self.draw_cell(canvas, row, col, rect)
def draw_cell(self, canvas, row, col, rect):
"""Should draw the cell at the given row and colum inside the given rect."""
pass
def mouse_down(self, event):
row, col = self.cell_containing_point(event.position)
nr = self._num_rows
nc = self._num_columns
if 0 <= row < nr and 0 <= col < nc:
self.click_cell(row, col, event)
def click_cell(self, row, col, event):
"""Called when a mouse_down event has occured in the indicated cell."""
pass
def report():
say("Check box set to", box.on)
def change_auto_toggle():
box.auto_toggle = auto.on
say("Auto toggling =", box.auto_toggle)
box = CheckBox(x=20, y=20, title="Check Box", action=report)
auto = CheckBox(x=20,
y=box.bottom + 10,
title="Auto Toggle",
action=change_auto_toggle,
color=rgb(1, 0, 0),
on=1)
def update_allow_mixed():
state = allow_mixed.on
box.mixed = state
mixed.enabled = state
allow_mixed = CheckBox(x=20,
y=auto.bottom + 10,
title="Allow Mixed",
action=update_allow_mixed)
from GUI import Window, View, application, rgb
from GUI.Geometry import offset_rect, rect_sized
from GUI.StdColors import yellow
from GUI.PIL import image_from_pil_image
import Image
from testing import say
from GUI import PIL
PIL.debug_pil = True
skyblue = rgb(102 / 255.0, 204 / 255.0, 1.0)
class ImageTestView(View):
def draw(self, c, r):
c.backcolor = skyblue
c.erase_rect(r)
main_image_pos = (50, 50)
src_rect = image.bounds
#say("Image bounds =", src_rect)
dst_rect = offset_rect(src_rect, main_image_pos)
#say("Drawing", src_rect, "in", dst_rect)
image.draw(c, src_rect, dst_rect)
import os, sys
here = sys.path[0]
image_path = os.path.join(here, "pill.png")
pil_image = Image.open(image_path)
print "PIL Image: size =", pil_image.size, "mode =", pil_image.mode
image = image_from_pil_image(pil_image)
from __future__ import division
from math import sin, pi
from numpy import zeros, uint8
from GUI import Window, View, application, rgb
from GUI.StdColors import yellow
from GUI.Numerical import image_from_ndarray
from GUI.Geometry import offset_rect
from testing import say
background = rgb(0.25, 0.25, 0.25)
width = 300
height = 100
def plot(a, f, c):
h = height // 2
A = h - 1
for x in xrange(width):
y = h + int(round(A * sin(2 * pi * f * x / width)))
a[y, x] = c
def make_array():
a = zeros((height, width, 4), uint8)
plot(a, 1, (255, 0, 0, 255))
plot(a, 2, (255, 255, 0, 255))
plot(a, 3, (0, 255, 0, 255))
return a
from __future__ import division
from math import sin, pi
from numpy import zeros, uint8
from GUI import Window, View, application, rgb
from GUI.StdColors import yellow
from GUI.Numerical import image_from_ndarray
from GUI.Geometry import offset_rect
from testing import say
background = rgb(0.25, 0.25, 0.25)
width = 300
height = 100
def plot(a, f, c):
h = height // 2
A = h - 1
for x in xrange(width):
y = h + int(round(A * sin(2 * pi * f * x / width)))
a[y, x] = c
def make_array():
a = zeros((height, width, 4), uint8)
plot(a, 1, (255, 0, 0, 255))
plot(a, 2, (255, 255, 0, 255))
plot(a, 3, (0, 255, 0, 255))
return a
the_array = make_array()
the_image = image_from_ndarray(the_array, 'RGBA')
