def __init__(self, style, width, height, ii=None):
Style.from_param(style)
err = Error()
iip = None
if ii:
iip = ii._as_parameter_
canvas = gtlib.gt_canvas_cairo_file_new(style._as_parameter_,
GRAPHICS_PNG, width, height, iip, err._as_parameter_)
if canvas == None:
gterror(err)
self.canvas = canvas
self._as_parameter_ = self.canvas
def __init__(self, style, width, height, ii=None):
Style.from_param(style)
err = Error()
iip = None
if ii:
iip = ii._as_parameter_
canvas = gtlib.gt_canvas_cairo_file_new(style._as_parameter_,
GRAPHICS_PNG, width, height,
iip, err._as_parameter_)
if canvas == None:
gterror(err)
self.canvas = canvas
self._as_parameter_ = self.canvas
def from_index(feature_index, seqid, rng, style):
from ctypes import byref
FeatureIndex.from_param(feature_index)
Style.from_param(style)
err = Error()
if rng.start > rng.end:
gterror("range.start > range.end")
diagram = gtlib.gt_diagram_new(feature_index._as_parameter_, seqid,
byref(rng), style._as_parameter_, err._as_parameter_)
if err.is_set():
gterror(err)
return Diagram(diagram)
def render_w(graphics, ypos, rng, sty, err):
g = Graphics(graphics)
s = Style(sty)
e = Error(err)
return self.render(g, ypos, rng.contents, s, e)