def _convert_polyline_to_path(polyline):
aspath = shape.Path(style=polyline.get_style())
points = [p.split(",") for p in polyline.get_points().split(" ")]
aspath.appendMoveToPath(points[0][0], points[0][1], relative=False)
for p in points[1:]:
aspath.appendLineToPath(p[0], p[1], relative=False)
return aspath
def _convert_line_to_path(line):
aspath = shape.Path(style=line.get_style())
aspath.appendMoveToPath(float(line.get_x1()),
float(line.get_y1()), relative=False)
aspath.appendLineToPath(float(line.get_x2()),
float(line.get_y2()), relative=False)
return aspath
def _cubic_approx_ellipse(cx, cy, rx, ry):
control_offsetx = rx * 0.55228
control_offsety = ry * 0.55228
aspath = shape.Path()
aspath.appendMoveToPath(cx - rx, cy, relative=False)
aspath.appendCubicCurveToPath(cx - rx,
cy - control_offsety,
cx - control_offsetx,
cy - ry,
cx,
cy - ry,
relative=False)
aspath.appendCubicCurveToPath(cx + control_offsetx,
cy - ry,
cx + rx,
cy - control_offsety,
cx + rx,
cy,
relative=False)
aspath.appendCubicCurveToPath(cx + rx,
cy + control_offsety,
cx + control_offsetx,
cy + ry,
cx,
cy + ry,
relative=False)
aspath.appendCubicCurveToPath(cx - control_offsetx,
cy + ry,
cx - rx,
cy + control_offsety,
cx - rx,
cy,
relative=False)
return aspath
def _convert_rect_to_path(rect):
if not rect.get_x():
rect.set_x(0)
if not rect.get_y():
rect.set_y(0)
aspath = shape.Path(style=rect.get_style())
edgePoints = rect.getEdgePoints()
aspath.appendMoveToPath(
edgePoints[-1][0], edgePoints[-1][1], relative=False)
for p in rect.getEdgePoints():
aspath.appendLineToPath(p[0], p[1], relative=False)
return aspath