def parseTri(node):
s_tri = node.attributes["faint:tri"].value
p0, p1, p2 = s_tri.split(" ")
p0 = [float(v) for v in p0.split(",")]
p1 = [float(v) for v in p1.split(",")]
p2 = [float(v) for v in p2.split(",")]
return ifaint.Tri(p0, p1, p2)
def parse_tri(node):
"""Parses a faint:tri.attribute (used for ellipses)"""
s_tri = node.attributes["faint:tri"].value
p0, p1, p2 = s_tri.split(" ")
p0 = [float(v) for v in p0.split(",")]
p1 = [float(v) for v in p1.split(",")]
p2 = [float(v) for v in p2.split(",")]
return ifaint.Tri(p0, p1, p2)
def apply_matrix(obj_id, props, matrix):
"""Multiplies the Tri of the object, specified by the obj_id, with
the matrix."""
tri = props.get_obj_tri(obj_id)
p0 = tri.p0()
p1 = tri.p1()
p2 = tri.p2()
p0 = multiply_matrix_pt(matrix, p0)
p1 = multiply_matrix_pt(matrix, p1)
p2 = multiply_matrix_pt(matrix, p2)
props.set_obj_tri(obj_id, ifaint.Tri(p0, p1, p2))
def applyCTF(obj_id, props):
#if str(obj) == "Group":
# # Fixme: Why?
# return
tri = props.get_obj_tri(obj_id)
ctm = tm[-1]
p0 = tri.p0()
p1 = tri.p1()
p2 = tri.p2()
p0 = matrix_mul(ctm, p0)
p1 = matrix_mul(ctm, p1)
p2 = matrix_mul(ctm, p2)
props.set_obj_tri(obj_id, ifaint.Tri(p0, p1, p2)) # ifaint necessary?
def parse_polygon_as_rect(node, state):
"""Skewed Faint-rectangles are saved as polygons (marked with
faint:type="rect").
"""
state = state.updated(node)
rect_id = state.props.Rect(
(0, 0, 1, 1), state.settings
) # Fixme: Pass Tri to props.rect instead of defaulting like this
p0, p1, p3, p2 = pairs(parse_points(node.get('points')))
del p3
state.props.set_obj_tri(rect_id, ifaint.Tri(p0, p1, p2))
state.transform_object(rect_id)
return rect_id
def parsePolygonNode(node):
points = node.attributes['points'].value.strip()
points = points.replace(" ", ",") # Fixme
vals = [float(coord) for coord in points.split(',') if len(coord) > 0]
if node.hasAttribute(
'faint:type') and node.attributes["faint:type"].value == "rect":
return [
"rect",
ifaint.Tri((vals[0], vals[1]), (vals[2], vals[3]),
(vals[6], vals[7])),
getSettings(node),
parseNodeTransform(node)
]
return ["polygon", vals, getSettings(node), parseNodeTransform(node)]
def mul_matrix_tri(m, tri): # pylint:disable=invalid-name
"""Multiples the matrix with the tri. Returns a new tri."""
return ifaint.Tri(mul_matrix_pt(m, tri.p0()), mul_matrix_pt(m, tri.p1()),
mul_matrix_pt(m, tri.p2()))
def parse_faint_tri_attr(node):
"""Parses a faint:tri attribute from the node"""
tri_str = node.get(ns_faint("tri"))
p0, p1, p2 = pairs(parse_points(tri_str))
return ifaint.Tri(p0, p1, p2)