/usr/share/python-odf/examples/europeanflag-as-odt.py is in python-odf-doc 1.3.6-2.
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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 | #!/usr/bin/env python
# -*- coding: utf-8 -*-
# Copyright (C) 2007 Søren Roug, European Environment Agency
#
# This is free software. You may redistribute it under the terms
# of the Apache license and the GNU General Public License Version
# 2 or at your option any later version.
#
# This program 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 General Public License for more details.
#
# You should have received a copy of the GNU General Public
# License along with this program; if not, write to the Free Software
# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
#
# Contributor(s):
#
# This is an example of an OpenDocument Text.
# We are going to draw the European flag. I chose this motive because
# it has just the right complexity for an example. It contains 12 five-edge
# stars in a circle on a blue background. The production specifications can
# be found at http://europa.eu/abc/symbols/emblem/index_en.htm
#
# The stars are drawn with a vector-oriented "turtle" the way Seymour Papert's
# LOGO language does.
import math
from odf.opendocument import OpenDocumentText
from odf.style import Style, GraphicProperties, DrawingPageProperties
from odf.text import P
from odf.draw import G, Polygon, Rect
class VectorSet:
""" A class to simulate LOGO's turtle. The turtle starts a 0,0 pointing
right along the x-axis, since we use the mathematical coordinate system.
"""
orientation = 0 # Degrees
x = 0.0
y = 0.0
polygon = []
def forward(self, length):
orirad = math.radians(self.orientation)
self.x = self.x + length * math.cos(orirad)
self.y = self.y + length * math.sin(orirad)
def right(self, turn):
self.orientation = (self.orientation + turn) % 360
def left(self, turn):
self.orientation = (self.orientation - turn) % 360
def mark(self):
self.polygon.append((self.x,self.y))
def firstmark(self):
self.polygon.append(self.polygon[0])
def getpoints(self):
""" Return the polygon points """
strpairs = ["%.0f,%.0f" % item for item in self.polygon]
return ' '.join(strpairs)
def getviewbox(self):
''' The value of the viewBox attribute is a list of four numbers
<min-x>, <min-y>, <width> and <height>'''
xvals = [ item[0] for item in self.polygon]
maxx = int(reduce(max,xvals)) + 1
minx = int(reduce(min,xvals))
yvals = [ item[1] for item in self.polygon]
maxy = int(reduce(max,yvals)) + 1
miny = int(reduce(min,yvals))
return minx, miny, maxx-minx, maxy-miny
# Create the document
doc = OpenDocumentText()
# The blue background style of the flag
backgroundstyle = Style(family="graphic", name="blueback")
backgroundstyle.addElement(GraphicProperties(fill="solid", fillcolor="#003399", stroke="none"))
doc.automaticstyles.addElement(backgroundstyle)
# The style for the stars
starstyle = Style(family="graphic", name="starstyle")
starstyle.addElement(GraphicProperties(fill="solid", fillcolor="#ffcc00", stroke="none"))
doc.automaticstyles.addElement(starstyle)
# Create a paragraph to contain the drawing
drawpage = P()
doc.text.addElement(drawpage)
group=G()
drawpage.addElement(group)
turtle = VectorSet()
# Draw the edges
turtle.mark()
for edge in [ 0,1,2,3,5 ]:
turtle.forward(100)
turtle.mark()
turtle.right(144)
turtle.forward(100)
turtle.mark()
turtle.left(72)
turtle.firstmark()
# Draw a rectangle containing the blue background
group.addElement(Rect(height="120mm", width="180mm", x="0mm", y="0mm", stylename=backgroundstyle))
viewbox = ' '.join(map(str,turtle.getviewbox()))
points = turtle.getpoints()
# Go around in a circle in twelve steps
for deg in range(0,360,30):
x = 83.3 + math.cos(math.radians(deg)) * 40
y = 53.3 + math.sin(math.radians(deg)) * 40
group.addElement(Polygon(points=points,
stylename=starstyle, viewbox=viewbox, width="13.3mm", height="13.3mm", x="%0.2fmm" % x, y="%0.2fmm" % y))
# Save the work
doc.save("europeanflag", True)
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