def __init__(self,
qregs,
cregs,
ops,
scale=1.0,
style=None,
plot_barriers=True,
reverse_bits=False):
if not HAS_MATPLOTLIB:
raise ImportError('The class MatplotlibDrawer needs matplotlib. '
'Run "pip install matplotlib" before.')
self._ast = None
self._scale = DEFAULT_SCALE * scale
self._creg = []
self._qreg = []
self._registers(cregs, qregs)
self._ops = ops
self._qreg_dict = collections.OrderedDict()
self._creg_dict = collections.OrderedDict()
self._cond = {
'n_lines': 0,
'xmax': 0,
'ymax': 0,
}
self._style = qcstyle.QCStyle()
self.plot_barriers = plot_barriers
self.reverse_bits = reverse_bits
if style:
if isinstance(style, dict):
self._style.set_style(style)
elif isinstance(style, str):
with open(style, 'r') as infile:
dic = json.load(infile)
self._style.set_style(dic)
self.figure = plt.figure()
self.figure.patch.set_facecolor(color=self._style.bg)
self.ax = self.figure.add_subplot(111)
self.ax.axis('off')
self.ax.set_aspect('equal')
self.ax.tick_params(labelbottom=False,
labeltop=False,
labelleft=False,
labelright=False)
def __init__(self, qregs, cregs, ops, scale, style=None,
plot_barriers=True, reverse_bits=False):
"""
Args:
qregs (list): A list of tuples for the quantum registers
cregs (list): A list of tuples for the classical registers
ops (list): A list of dicts where each entry is a operation from
the circuit.
scale (float): image scaling
style (dict or str): dictionary of style or file name of style file
reverse_bits (bool): When set to True reverse the bit order inside
registers for the output visualization.
plot_barriers (bool): Enable/disable drawing barriers in the output
circuit. Defaults to True.
"""
# style sheet
self._style = _qcstyle.QCStyle()
if style:
if isinstance(style, dict):
self._style.set_style(style)
elif isinstance(style, str):
with open(style, 'r') as infile:
dic = json.load(infile)
self._style.set_style(dic)
# list of lists corresponding to layers of the circuit
self.ops = ops
# image scaling
self.scale = scale
# Map of qregs to sizes
self.qregs = {}
# Map of cregs to sizes
self.cregs = {}
# List of qregs and cregs in order of appearance in code and image
self.ordered_regs = []
# Map from registers to the list they appear in the image
self.img_regs = {}
# Array to hold the \\LaTeX commands to generate a circuit image.
self._latex = []
# Variable to hold image depth (width)
self.img_depth = 0
# Variable to hold image width (height)
self.img_width = 0
# Variable to hold total circuit depth
self.sum_column_widths = 0
# Variable to hold total circuit width
self.sum_row_heights = 0
# em points of separation between circuit columns
self.column_separation = 0.5
# em points of separation between circuit row
self.row_separation = 0.0
# presence of "box" or "target" determines row spacing
self.has_box = False
self.has_target = False
self.reverse_bits = reverse_bits
self.plot_barriers = plot_barriers
#################################
self.qregs = collections.OrderedDict(_get_register_specs(qregs))
self.qubit_list = qregs
self.ordered_regs = qregs + cregs
self.cregs = collections.OrderedDict(_get_register_specs(cregs))
self.clbit_list = cregs
self.img_regs = {bit: ind for ind, bit in
enumerate(self.ordered_regs)}
self.img_width = len(self.img_regs)
self.wire_type = {}
for key, value in self.ordered_regs:
self.wire_type[(key, value)] = key in self.cregs.keys()