1 #!/usr/bin/env python
2 # Copyright 2008, 2009 Hannes Hochreiner
3 # This program is free software: you can redistribute it and/or modify
4 # it under the terms of the GNU General Public License as published by
5 # the Free Software Foundation, either version 3 of the License, or
6 # (at your option) any later version.
7 #
8 # This program is distributed in the hope that it will be useful,
9 # but WITHOUT ANY WARRANTY; without even the implied warranty of
10 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
11 # GNU General Public License for more details.
12 #
13 # You should have received a copy of the GNU General Public License
14 # along with this program. If not, see http://www.gnu.org/licenses/.
16 # These lines are only needed if you don't put the script directly into
17 # the installation directory
18 import sys
19 # Unix
20 sys.path.append('/usr/share/inkscape/extensions')
21 # OS X
22 sys.path.append('/Applications/Inkscape.app/Contents/Resources/extensions')
23 # Windows
24 sys.path.append('C:\Program Files\Inkscape\share\extensions')
26 import inkex, os.path
27 import subprocess
28 import tempfile
29 import os
30 import zipfile
31 import glob
32 import re
33 import gettext
34 _ = gettext.gettext
36 def propStrToDict(inStr):
37 dictio = {}
39 for prop in inStr.split(";"):
40 values = prop.split(":")
42 if (len(values) == 2):
43 dictio[values[0].strip()] = values[1].strip()
45 return dictio
47 def dictToPropStr(dictio):
48 str = ""
50 for key in dictio.keys():
51 str += " " + key + ":" + dictio[key] + ";"
53 return str[1:]
55 def setStyle(node, propKey, propValue):
56 props = {}
58 if node.attrib.has_key("style"):
59 props = propStrToDict(node.get("style"))
61 props[propKey] = propValue
62 node.set("style", dictToPropStr(props))
64 class MyEffect(inkex.Effect):
65 inkscapeCommand = None
66 zipFile = None
68 def __init__(self):
69 inkex.Effect.__init__(self)
71 self.OptionParser.add_option('--tab', action = 'store', type = 'string', dest = 'what')
72 self.OptionParser.add_option('--type', action = 'store', type = 'string', dest = 'type', default = '')
73 self.OptionParser.add_option('--resolution', action = 'store', type = 'string', dest = 'resolution', default = '')
75 # Register jessyink namespace.
76 inkex.NSS[u"jessyink"] = u"https://launchpad.net/jessyink"
78 # Set inkscape command.
79 self.inkscapeCommand = self.findInkscapeCommand()
81 if (self.inkscapeCommand == None):
82 inkex.errormsg(_("Could not find Inkscape command.\n"))
83 sys.exit(1)
85 def output(self):
86 pass
88 def effect(self):
89 # Remove any temporary files that might be left from last time.
90 self.removeJessyInkFilesInTempDir()
92 # Check whether the JessyInk-script is present (indicating that the presentation has not been properly exported).
93 scriptNodes = self.document.xpath("//svg:script[@jessyink:version]", namespaces=inkex.NSS)
95 if len(scriptNodes) != 0:
96 inkex.errormsg(_("The JessyInk script is not installed in this SVG file or has a different version than the JessyInk extensions. Please select \"install/update...\" from the \"JessyInk\" sub-menu of the \"Extensions\" menu to install or update the JessyInk script.\n\n"))
98 zipFileDesc, zpFile = tempfile.mkstemp(suffix=".zip", prefix="jessyInk__")
100 output = zipfile.ZipFile(zpFile, "w", compression=zipfile.ZIP_STORED)
102 # Find layers.
103 exportNodes = self.document.xpath("//svg:g[@inkscape:groupmode='layer']", namespaces=inkex.NSS)
105 if len(exportNodes) < 1:
106 sys.stderr.write("No layers found.")
108 for node in exportNodes:
109 setStyle(node, "display", "none")
111 for node in exportNodes:
112 setStyle(node, "display", "inherit")
113 setStyle(node, "opacity", "1")
114 self.takeSnapshot(output, node.attrib["{" + inkex.NSS["inkscape"] + "}label"])
115 setStyle(node, "display", "none")
117 # Write temporary zip file to stdout.
118 output.close()
119 out = open(zpFile,'rb')
121 # Switch stdout to binary on Windows.
122 if sys.platform == "win32":
123 import os, msvcrt
124 msvcrt.setmode(sys.stdout.fileno(), os.O_BINARY)
126 # Output the file.
127 sys.stdout.write(out.read())
128 sys.stdout.close()
129 out.close()
131 # Delete temporary files.
132 self.removeJessyInkFilesInTempDir()
134 # Function to export the current state of the file using Inkscape.
135 def takeSnapshot(self, output, fileName):
136 # Write the svg file.
137 svgFileDesc, svgFile = tempfile.mkstemp(suffix=".svg", prefix="jessyInk__")
138 self.document.write(os.fdopen(svgFileDesc, "wb"))
140 ext = str(self.options.type).lower()
142 # Prepare output file.
143 outFileDesc, outFile = tempfile.mkstemp(suffix="." + ext, prefix="jessyInk__")
145 proc = subprocess.Popen([self.inkscapeCommand + " --file=" + svgFile + " --without-gui --export-dpi=" + str(self.options.resolution) + " --export-" + ext + "=" + outFile], shell=True, stdout=subprocess.PIPE, stderr=subprocess.PIPE)
146 stdout_value, stderr_value = proc.communicate()
148 output.write(outFile, fileName + "." + ext)
150 # Function to remove any temporary files created during the export.
151 def removeJessyInkFilesInTempDir(self):
152 for infile in glob.glob(os.path.join(tempfile.gettempdir(), 'jessyInk__*')):
153 try:
154 os.remove(infile)
155 except:
156 pass
158 # Function to try and find the correct command to invoke Inkscape.
159 def findInkscapeCommand(self):
160 commands = []
161 commands.append("inkscape")
162 commands.append("C:\Program Files\Inkscape\inkscape.exe")
163 commands.append("/Applications/Inkscape.app/Contents/Resources/bin/inkscape")
165 for command in commands:
166 proc = subprocess.Popen([command + " --without-gui --version"], shell=True, stdout=subprocess.PIPE, stderr=subprocess.PIPE)
167 stdout_value, stderr_value = proc.communicate()
169 if proc.returncode == 0:
170 return command
172 return None
174 e = MyEffect()
175 e.affect()