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#!/usr/bin/env python
# -*- coding: utf-8 -*-
#
# Copyright (c) 2014 Daniel Standage <daniel.standage@gmail.com>
# Copyright (c) 2008-2009 Sascha Steinbiss <steinbiss@zbh.uni-hamburg.de>
# Copyright (c) 2008-2009 Center for Bioinformatics, University of Hamburg
#
# Permission to use, copy, modify, and distribute this software for any
# purpose with or without fee is hereby granted, provided that the above
# copyright notice and this permission notice appear in all copies.
#
# THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
# WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
# MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
# ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
# WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
# ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
# OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
#
from gt.dlload import gtlib
from gt.annotationsketch.canvas import Canvas
from gt.annotationsketch.diagram import Diagram
from gt.annotationsketch.style import Style
from gt.core.error import Error, gterror
from ctypes import c_ulong, c_void_p, c_int, c_char_p, CFUNCTYPE, byref, \
POINTER, c_double, c_uint
TrackOrderingFunc = CFUNCTYPE(c_int, c_char_p, c_char_p, c_void_p)
class Layout:
def __init__(self, diagram, width, style):
err = Error()
self.layout = gtlib.gt_layout_new(diagram._as_parameter_, width,
style._as_parameter_, err._as_parameter_)
if err.is_set():
gterror(err)
self._as_parameter_ = self.layout
def __del__(self):
try:
gtlib.gt_layout_delete(self.layout)
except AttributeError:
pass
def from_param(cls, obj):
if not isinstance(obj, Layout):
raise TypeError("argument must be a Layout")
return obj._as_parameter_
from_param = classmethod(from_param)
def sketch(self, canvas):
err = Error()
had_err = gtlib.gt_layout_sketch(self.layout, canvas._as_parameter_,
err._as_parameter_)
if err.is_set():
gterror(err)
def get_height(self):
err = Error()
height = c_ulong()
gtlib.gt_layout_get_height(self.layout, byref(height),
err._as_parameter_)
if err.is_set():
gterror(err)
return height.value
def set_track_ordering_func(self, func):
def trackorderer(s1, s2, data_ptr):
ret = func(s1, s2)
try:
if ret is None:
raise ValueError
else:
ret = int(ret)
except ValueError:
gterror("Track ordering function must return a number!")
return ret
self.tof_cb = TrackOrderingFunc(trackorderer)
self.tof = trackorderer
gtlib.gt_layout_set_track_ordering_func(self.layout, self.tof_cb)
def register(cls, gtlib):
gtlib.gt_layout_delete.restype = None
gtlib.gt_layout_delete.argtypes = [c_void_p]
gtlib.gt_layout_new.restype = c_void_p
gtlib.gt_layout_new.argtypes = [c_void_p, c_uint, c_void_p, c_void_p]
gtlib.gt_layout_sketch.restype = c_int
gtlib.gt_layout_sketch.argtypes = [c_void_p, c_void_p, c_void_p]
gtlib.gt_layout_set_track_ordering_func.argtypes = [c_void_p,
TrackOrderingFunc]
gtlib.gt_layout_get_height.restype = c_int
gtlib.gt_layout_get_height.argtypes = [c_void_p, POINTER(c_ulong),
c_void_p]
register = classmethod(register)
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