def _get_bbox(self):
"""BBox(x1, y1, x2, y2) namedtuple of the shape."""
# TODO: Compute bezier curve.
anchors = self._get_anchors()
if not anchors or len(anchors) < 2:
# Likely be all-pixel fill.
return BBox(0, 0, self._psd.width, self._psd.height)
return BBox(min([p[0] for p in anchors]), min([p[1] for p in anchors]),
max([p[0] for p in anchors]), max([p[1] for p in anchors]))
def combined_bbox(layers):
"""
Returns a bounding box for ``layers`` or BBox(0, 0, 0, 0) if the layers
have no bbox.
"""
bboxes = [layer.bbox for layer in layers if not layer.bbox.is_empty()]
if len(bboxes) == 0:
return BBox(0, 0, 0, 0)
lefts, tops, rights, bottoms = zip(*bboxes)
return BBox(min(lefts), min(tops), max(rights), max(bottoms))
def get_bbox(self, vector=False):
"""BBox(x1, y1, x2, y2) namedtuple of the shape."""
if vector:
# TODO: Compute bezier curve.
anchors = self.get_anchors()
if not anchors or len(anchors) < 2:
# Could be all pixel fill.
return BBox(0, 0, 0, 0)
return BBox(min([p[0] for p in anchors]),
min([p[1] for p in anchors]),
max([p[0] for p in anchors]),
max([p[1] for p in anchors]))
else:
return super(ShapeLayer, self).bbox
def bbox(self):
"""BBox(x1, y1, x2, y2) namedtuple with layer bounding box.
:rtype: BBox
"""
return BBox(self._record.left, self._record.top, self._record.right,
self._record.bottom)
def _translate_unit_rect(data):
items = dict(data.items)
return BBox(
items.get(b'Left').value,
items.get(b'Top ').value,
items.get(b'Rght').value,
items.get(b'Btom').value)
def object_bbox(self):
"""
BBox(x1, y1, x2, y2) with original object content coordinates.
"""
if self._block:
size = dict(self._block.get(PlacedLayerProperty.SIZE).items)
return BBox(0, 0, size[SzProperty.WIDTH].value,
size[SzProperty.HEIGHT].value)
else:
return None
def placed_bbox(self):
"""
BBox(x1, y1, x2, y2) with transformed box. The tranform of a layer
the points for all 4 corners.
"""
if self._block:
transform = self._block.get(PlacedLayerProperty.TRANSFORM).items
return BBox(transform[0].value, transform[1].value,
transform[4].value, transform[5].value)
else:
return None
def viewbox(self):
"""Return BBox of the viewport."""
return BBox(0, 0, self.width, self.height)
