def __init__(self, tolerance, target_size):
# parsed path data, paths by color
# {'#ff0000': [[[x,y], [x,y], ...], [], ..], '#0000ff':[]}
# Each path is a list of vertices which is a list of two floats.
self.boundarys = {}
# the conversion factor to physical dimensions
# applied to all coordinates in the SVG
self.px2mm = None
# what the svg size (typically page dimensions) should be mapped to
self._target_size = target_size
# tolerance settings, used in tessalation, path simplification, etc
self.tolerance = tolerance
self.tolerance2 = tolerance**2
self.tolerance2_half = (0.5 * tolerance)**2
self.tolerance2_px = None
# init helper object for tag reading
self._tagReader = SVGTagReader(self)
# lasersaur cut setting from SVG file
# list of triplets ... [(pass#, key, value), ...]
# pass# designates the pass this lasertag controls
# key is the kind of setting (one of: intensity, feedrate, color)
# value is the actual value to use
self.lasertags = []
