def execute(self):
assert self.points != []
# Calc bounding rect
rect = Rect(self.points[0].x, self.points[0].y,
self.points[0].x + self.brush.width,
self.points[0].y + self.brush.height)
for point in self.points:
rect.left = min(rect.left, point.x)
rect.top = min(rect.top, point.y)
rect.right = max(rect.right, point.x + self.brush.width)
rect.bottom = max(rect.bottom, point.y + self.brush.height)
self.pos.x = rect.left
self.pos.y = rect.top
self.redo_brush = TileBrush.from_field(self.tilemap.field.copy(),
rect.width, rect.height,
-self.pos.x, -self.pos.y)
# FIXME: undo_field is unneeded, should just record the overwritten color
self.undo_brush = TileBrush.from_field(self.undo_field, rect.width,
rect.height, -self.pos.x,
-self.pos.y)
self.redo_brush.set_opaque()
self.undo_brush.set_opaque()
self.undo_field = None
def auto_crop(self):
rect = Rect(0, 0, 0, 0)
for y, x in itertools.product(range(0, self.field.height),
range(0, self.field.width)):
if self.field.at(x, y) != 0:
rect.top = y
break
for y, x in itertools.product(reversed(range(0, self.field.height)),
range(0, self.field.width)):
if self.field.at(x, y) != 0:
rect.bottom = y + 1
break
for x, y in itertools.product(range(0, self.field.width),
range(0, self.field.height)):
if self.field.at(x, y) != 0:
rect.left = x
break
for x, y in itertools.product(reversed(range(0, self.field.width)),
range(0, self.field.height)):
if self.field.at(x, y) != 0:
rect.right = x + 1
break
if rect.width != 0:
self.resize(rect.width, rect.height, -rect.left, -rect.top)
else:
self.field = Field.from_size(1, 1)
self.field.put(0, 0, 0)
self.set_opaque()
def get_selection(self):
selection = Rect(self.current_pos.x, self.current_pos.y,
self.region_select_start.x, self.region_select_start.y)
selection.normalize()
selection.right += 1
selection.bottom += 1
selection.left = min(max(0, selection.left), self.columns)
selection.right = min(max(0, selection.right), self.columns)
selection.top = max(0, selection.top)
return selection
def get_bounding_rect(self):
if self._has_bounding_rect:
return self.bounding_rect
else:
init = False
rect = Rect(0, 0, 0, 0)
for layer in self.layers:
if layer.has_bounding_rect():
if not init:
rect = layer.get_bounding_rect()
init = True
else:
other = layer.get_bounding_rect()
rect.top = min(rect.top, other.top)
rect.bottom = max(rect.bottom, other.bottom)
rect.left = min(rect.left, other.left)
rect.right = max(rect.right, other.right)
return rect