def Line(old, new, *args):
blX, blY, trX, trY = args
blX = utils.pixel_to_coord(blX, 'x')
blY = utils.pixel_to_coord(blY, 'y')
trX = utils.pixel_to_coord(trX, 'x')
trY = utils.pixel_to_coord(trY, 'y')
# use list so I can reuse the iterable
points = list(utils.bresenham_line(blX, blY, trX, trY))
color = utils.scale_100(old.pen_color)
pixel_list = ((x, y, color) for x, y in points)
new.image = old.image.set_pixels(pixel_list)
current_line_no = new.line_no
new_ghosts = (old.ghosts
.add_dimension_line(current_line_no, 1, 'horizontal', blX, blY) # for blX
.add_dimension_line(current_line_no, 2, 'vertical', blX, blY) # for blY
.add_dimension_line(current_line_no, 3, 'horizontal', trX, trY) # for trX
.add_dimension_line(current_line_no, 4, 'vertical', trX, trY) # for trY
)
## traverse up the environments,
## adding these points to the ghost pointer
new_ghosts = new_ghosts.add_points_to_callstack(new.env, 0, points)
new.ghosts = new_ghosts
def Line(old, new, *args):
blX, blY, trX, trY = args
blX = utils.pixel_to_coord(blX, 'x')
blY = utils.pixel_to_coord(blY, 'y')
trX = utils.pixel_to_coord(trX, 'x')
trY = utils.pixel_to_coord(trY, 'y')
# use list so I can reuse the iterable
points = list(utils.bresenham_line(blX, blY, trX, trY))
color = utils.scale_100(old.pen_color)
pixel_list = ((x, y, color) for x, y in points)
new.image = old.image.set_pixels(pixel_list)
current_line_no = new.line_no
new_ghosts = (
old.ghosts.add_dimension_line(current_line_no, 1, 'horizontal', blX,
blY) # for blX
.add_dimension_line(current_line_no, 2, 'vertical', blX,
blY) # for blY
.add_dimension_line(current_line_no, 3, 'horizontal', trX,
trY) # for trX
.add_dimension_line(current_line_no, 4, 'vertical', trX,
trY) # for trY
)
## traverse up the environments,
## adding these points to the ghost pointer
new_ghosts = new_ghosts.add_points_to_callstack(new.env, 0, points)
new.ghosts = new_ghosts
def set(old, new, lval, rval):
"""
sets lval to rval
lval can be a DBNDot or a DBNVariable
"""
if isinstance(lval, DBNDot):
x_coord = utils.pixel_to_coord(lval.x, "x")
y_coord = utils.pixel_to_coord(lval.y, "y")
color = utils.scale_100(rval)
new.image = old.image.set_pixel(x_coord, y_coord, color)
##### hinting stuff
line_no = new.line_no
new_ghosts = old.ghosts.add_dimension_line(line_no, 1, "horizontal", x_coord, y_coord).add_dimension_line(
line_no, 2, "vertical", x_coord, y_coord
)
new_ghosts = new_ghosts.add_point(line_no, 0, (x_coord, y_coord))
new_ghosts = new_ghosts.add_point_to_callstack(new.env, 0, (x_coord, y_coord))
new.ghosts = new_ghosts
elif isinstance(lval, DBNVariable):
new.env = old.env.set(lval.name, rval)
else:
raise ValueError("Unknown lvalue! %s" % str(lval))
def set(old, new, lval, rval):
"""
sets lval to rval
lval can be a DBNDot or a DBNVariable
"""
if isinstance(lval, DBNDot):
x_coord = utils.pixel_to_coord(lval.x, 'x')
y_coord = utils.pixel_to_coord(lval.y, 'y')
color = utils.scale_100(rval)
new.image = old.image.set_pixel(x_coord, y_coord, color)
##### hinting stuff
line_no = new.line_no
new_ghosts = (old.ghosts.add_dimension_line(
line_no, 1, 'horizontal', x_coord,
y_coord).add_dimension_line(line_no, 2, 'vertical', x_coord,
y_coord))
new_ghosts = new_ghosts.add_point(line_no, 0, (x_coord, y_coord))
new_ghosts = new_ghosts.add_point_to_callstack(
new.env, 0, (x_coord, y_coord))
new.ghosts = new_ghosts
elif isinstance(lval, DBNVariable):
new.env = old.env.set(lval.name, rval)
else:
raise ValueError("Unknown lvalue! %s" % str(lval))
def Paper(old, new, value):
color = utils.scale_100(value)
new.image = DBNImage(color=color)
def Paper(old, new, value):
color = utils.scale_100(value)
new.image = DBNImage(color=color)