/usr/share/pyshared/blockdiag/noderenderer/minidiamond.py is in python-blockdiag 1.3.2-1.
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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 | # -*- coding: utf-8 -*-
# Copyright 2011 Takeshi KOMIYA
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
from blockdiag.noderenderer import NodeShape
from blockdiag.noderenderer import install_renderer
from blockdiag.utils import Box, XY
class MiniDiamond(NodeShape):
def __init__(self, node, metrics=None):
super(MiniDiamond, self).__init__(node, metrics)
r = metrics.cellsize
m = metrics.cell(node)
c = m.center
self.connectors = (XY(c.x, c.y - r),
XY(c.x + r, c.y),
XY(c.x, c.y + r),
XY(c.x - r, c.y),
XY(c.x, c.y - r))
self.textbox = Box(m.top.x, m.top.y, m.right.x, m.right.y)
self.textalign = 'left'
def render_shape(self, drawer, _, **kwargs):
fill = kwargs.get('fill')
# draw outline
if kwargs.get('shadow'):
diamond = self.shift_shadow(self.connectors)
if kwargs.get('style') == 'blur':
drawer.polygon(diamond, fill=fill, outline=fill,
filter='transp-blur')
else:
drawer.polygon(diamond, fill=fill, outline=fill)
else:
drawer.polygon(self.connectors, fill=self.node.color,
outline=self.node.linecolor, style=self.node.style)
def setup(self):
install_renderer('minidiamond', MiniDiamond)
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