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# -*- tab-width: 4; indent-tabs-mode: nil; py-indent-offset: 4 -*-
#
# This file is part of the LibreOffice project.
#
# This Source Code Form is subject to the terms of the Mozilla Public
# License, v. 2.0. If a copy of the MPL was not distributed with this
# file, You can obtain one at http://mozilla.org/MPL/2.0/.
#
import gdb
import six
from libreoffice.util import printing
class B2DRangePrinter(object):
'''Prints a B2DRange object.'''
def __init__(self, typename, value):
self.typename = typename
self.value = value
# inject children() func dynamically
if not self._isEmpty():
self.children = self._children
def to_string(self):
if self._isEmpty():
return "empty %s" % (self.typename)
else:
return "%s" % (self.typename)
def _isEmpty(self):
return (self.value['maRangeX']['mnMinimum'] > self.value['maRangeX']['mnMaximum']
or self.value['maRangeY']['mnMinimum'] > self.value['maRangeY']['mnMaximum'])
def _children(self):
left = self.value['maRangeX']['mnMinimum']
top = self.value['maRangeY']['mnMinimum']
right = self.value['maRangeX']['mnMaximum']
bottom = self.value['maRangeY']['mnMaximum']
children = [('left', left), ('top', top), ('right', right), ('bottom', bottom)]
return children.__iter__()
class B2DPolygonPrinter(object):
'''Prints a B2DPolygon object.'''
def __init__(self, typename, value):
self.typename = typename
self.value = value
# inject children() func dynamically
if not self._isEmpty():
self.children = self._children
def to_string(self):
if self._isEmpty():
return "empty %s" % (self.typename)
else:
return "%s %s" % ('bezier curve' if self._hasCurves() else 'straight line',
self.typename)
def _count(self):
return int(gdb.parse_and_eval(
'((basegfx::B2DPolygon*)%d)->count()' % self.value.address))
def _isEmpty(self):
return self._count() == 0
def _hasCurves(self):
return int(gdb.parse_and_eval(
'((basegfx::B2DPolygon*)%d)->areControlPointsUsed()' % self.value.address)) != 0
def _children(self):
if self._hasCurves():
return self._bezierIterator(self._count(), self.value)
else:
return self._plainIterator(self._count(), self.value)
class _plainIterator(six.Iterator):
def __init__(self, count, value):
self.count = count
self.value = value
self.index = 0
def __iter__(self):
return self
def __next__(self):
if self.index >= self.count:
raise StopIteration()
points = self.value['mpPolygon']['m_pimpl'].dereference()['m_value']['maPoints']['maVector']
currPoint = (points['_M_impl']['_M_start'] + self.index).dereference()
# doesn't work?
#currPoint = gdb.parse_and_eval(
# '((basegfx::B2DPolygon*)%d)->getB2DPoint(%d)' % (
# self.value.address, self.index))
self.index += 1
return ('point %d' % (self.index-1),
'(%15f, %15f)' % (currPoint['mfX'], currPoint['mfY']))
class _bezierIterator(six.Iterator):
def __init__(self, count, value):
self.count = count
self.value = value
self.index = 0
def __iter__(self):
return self
def __next__(self):
if self.index >= self.count:
raise StopIteration()
points = self.value['mpPolygon']['m_pimpl'].dereference()['m_value']['maPoints']['maVector']
currPoint = (points['_M_impl']['_M_start'] + self.index).dereference()
#currPoint = gdb.parse_and_eval(
# '((basegfx::B2DPolygon*)%d)->getB2DPoint(%d)' % (
# self.value.address, self.index))
prevControl = gdb.parse_and_eval(
'((basegfx::B2DPolygon*)%d)->getPrevControlPoint(%d)' % (
self.value.address, self.index))
nextControl = gdb.parse_and_eval(
'((basegfx::B2DPolygon*)%d)->getNextControlPoint(%d)' % (
self.value.address, self.index))
self.index += 1
return ('point %d' % (self.index-1),
'p: (%15f, %15f) c-1: (%15f, %15f) c1: (%15f, %15f)' %
(currPoint['mfX'], currPoint['mfY'],
prevControl['mfX'], prevControl['mfY'],
nextControl['mfX'], nextControl['mfY']))
class B2DPolyPolygonPrinter(object):
'''Prints a B2DPolyPolygon object.'''
def __init__(self, typename, value):
self.typename = typename
self.value = value
def to_string(self):
if self._isEmpty():
return "empty %s" % (self.typename)
else:
return "%s %s with %d sub-polygon(s)" % ('closed' if self._isClosed() else 'open',
self.typename,
self._count())
def _count(self):
return int(gdb.parse_and_eval(
'((basegfx::B2DPolyPolygon*)%d)->count()' % self.value.address))
def _isClosed(self):
return int(gdb.parse_and_eval(
'((basegfx::B2DPolyPolygon*)%d)->isClosed()' % self.value.address)) != 0
def _isEmpty(self):
return self._count() == 0
def children(self):
impl = self.value['mpPolyPolygon']['m_pimpl']
vector = self.value['mpPolyPolygon']['m_pimpl'].dereference()['m_value']['maPolygons']
import libstdcxx.v6.printers as std
return std.StdVectorPrinter("std::vector", vector).children()
printer = None
def build_pretty_printers():
global printer
printer = printing.Printer('libreoffice/basegfx')
# basic types
printer.add('basegfx::B2DRange', B2DRangePrinter)
printer.add('basegfx::B2DPolygon', B2DPolygonPrinter)
printer.add('basegfx::B2DPolyPolygon', B2DPolyPolygonPrinter)
def register_pretty_printers(obj):
printing.register_pretty_printer(printer, obj)
build_pretty_printers()
# vim:set shiftwidth=4 softtabstop=4 expandtab:
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