/usr/lib/python2.7/dist-packages/uniconvertor/app/Graphics/maskgroup.py is in python-uniconvertor 1.1.5-2.
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1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 | # Sketch - A Python-based interactive drawing program
# Copyright (C) 1998, 1999, 2000 by Bernhard Herzog
#
# This library is free software; you can redistribute it and/or
# modify it under the terms of the GNU Library General Public
# License as published by the Free Software Foundation; either
# version 2 of the License, or (at your option) any later version.
#
# This library is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
# Library General Public License for more details.
#
# You should have received a copy of the GNU Library General Public
# License along with this library; if not, write to the Free Software
# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
#
# Class MaskGroup
#
# A special group where one object defines a clip mask for the
# entire group
#
from app.events.warn import warn_tb, INTERNAL
#from app.UI.command import AddCmd
from app import _, IntersectRects, RegisterCommands
from compound import EditableCompound
from properties import EmptyFillStyle, EmptyLineStyle
class MaskGroup(EditableCompound):
is_Group = 1
is_MaskGroup = 1
_lazy_attrs = EditableCompound._lazy_attrs.copy()
_lazy_attrs['mask_fill'] = 'update_mask_attrs'
_lazy_attrs['mask_line'] = 'update_mask_attrs'
commands = EditableCompound.commands[:]
def __init__(self, objects = None, duplicate = None):
EditableCompound.__init__(self, objects,
duplicate = duplicate)
def update_mask_attrs(self):
if self.objects:
mask = self.objects[0]
if mask.has_properties:
self.mask_fill = mask.Properties().Duplicate()
self.mask_fill.AddStyle(EmptyLineStyle)
if mask.has_line and mask.Properties().HasLine():
self.mask_line = mask.Properties().Duplicate()
self.mask_line.AddStyle(EmptyFillStyle)
else:
self.mask_line = None
else:
self.mask_line = self.mask_fill = None
def update_rects(self):
if self.objects:
self.bounding_rect = self.objects[0].bounding_rect
self.coord_rect = self.objects[0].coord_rect
def ChildChanged(self, child):
if child is self.objects[0]:
if self.document is not None:
self.document.AddClearRect(child.bounding_rect)
EditableCompound.ChildChanged(self, child)
def Info(self):
return _("MaskGroup with %d objects") % len(self.objects)
def Hit(self, p, rect, device):
if self.objects[0].Hit(p, rect, device, clip = 1):
return EditableCompound.Hit(self, p, rect, device)
def Blend(self, other, frac1, frac2):
try:
objs = self.objects
oobjs = other.objects
blended = []
for i in range(min(len(objs), len(oobjs))):
blended.append(Blend(objs[i], oobjs[i], frac1, frac2))
return MaskGroup(blended)
except:
warn_tb(INTERNAL)
raise MismatchError
def Ungroup(self):
objects = EditableCompound.GetObjects(self)
# Move the mask, which is in objects[0] to the end of the
# objects list, because it was on top of all other objects
# before the group was created.
#
# Use a copy of the objects list or we're modifying the list
# used by the mask group itself with unpredictable consequences
# for undo.
# XXX perhaps it would be better to have GetObjects return a
# copy of the list.
objects = objects[:]
objects.append(objects[0])
del objects[0]
return objects
def SaveToFile(self, file):
file.BeginMaskGroup()
for obj in self.objects:
obj.SaveToFile(file)
file.EndMaskGroup()
def DrawShape(self, device, rect = None):
if not self.objects:
return
mask = self.objects[0]
if mask.has_properties:
attr = mask.properties
mask.properties = self.mask_fill
device.PushClip()
clipped = 1
try:
mask.DrawShape(device, rect, clip = 1)
if rect:
rect = IntersectRects(rect, mask.bounding_rect)
test = rect.overlaps
for o in self.objects[1:]:
if test(o.bounding_rect):
o.DrawShape(device, rect)
else:
for obj in self.objects[1:]:
obj.DrawShape(device)
if self.mask_line is not None:
device.PopClip()
clipped = 0
mask.properties = self.mask_line
mask.DrawShape(device, rect)
finally:
if clipped:
device.PopClip()
if mask.has_properties:
mask.properties = attr
def permute_objects(self, permutation):
# make sure the mask stays at index 0
if permutation[0] != 0:
permutation = list(permutation)
permutation.remove(0)
permutation.insert(0, 0)
return EditableCompound.permute_objects(self, permutation)
def Mask(self):
return self.objects[0]
def MaskedObjects(self):
return self.objects[1:]
def SelectMask(self):
if self.document is not None:
self.document.SelectObject(self.objects[0])
#AddCmd(commands, SelectMask, _("Select Mask"), key_stroke = 'm')
context_commands = ('SelectMask',)
RegisterCommands(MaskGroup)
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