Update README.md with install path on Windows.

README.md

@@ -1,18 +1,25 @@
-inkscape-android-export
+inkscape-mobile-export
 ========
 
 This Inkscape extension exports all selected items in different densities. The exported PNGs will be named by their ID in the SVG.
 
 Install
 --------
 
-Download `android_export.inx` and `android_export.py` and copy both files to your `$HOME/.config/inkscape/extensions` folder. A restart of Inkscape is required.
+Download `android_export.inx`,`android_export.py`,`ios_export.inx`,`ios_export.py`. Depending on OS, copy both files to your extensions folder:
+
+* Linux - `$HOME/.config/inkscape/extensions`
+* Windows - `%APPDATA%\inkscape\extensions`
+
+A restart of Inkscape is required.
 
 Usage
 --------
 
 * Select at least one item to export
-* Select `Extensions -> Export -> Android Export…`
+* According your needs choose:
+  1. Android: Select `Extensions -> Export -> Android Export…`
+  2. iOS: Select `Extensions -> Export -> iOS Export…` 
 * Customize the settings according to your needs
 
 License

android_export.py

@@ -148,12 +148,12 @@ def add_density_option(self, name, dpi):
 parser.add_option("--transparent-background", action="store", type="boolstr", help="Transparent background")
 
 group = DensityGroup(parser, "Select which densities to export")
-group.add_density_option("ldpi", 67.5)
-group.add_density_option("mdpi", 90)
-group.add_density_option("hdpi", 135)
-group.add_density_option("xhdpi", 180)
-group.add_density_option("xxhdpi", 270)
-group.add_density_option("xxxhdpi", 360)
+group.add_density_option("ldpi", 72)
+group.add_density_option("mdpi", 96)
+group.add_density_option("hdpi", 144)
+group.add_density_option("xhdpi", 192)
+group.add_density_option("xxhdpi", 288)
+group.add_density_option("xxxhdpi", 384)
 parser.add_option_group(group)
 
 parser.add_option("--strip",  action="store",  type="boolstr", help="Use ImageMagick to reduce the image size")

ios_export.inx

@@ -0,0 +1,35 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<inkscape-extension xmlns="http://www.inkscape.org/namespace/inkscape/extension">
+	<_name>iOS Export</_name>
+	<id>de.cbecker.ios_export</id>
+
+	<dependency type="executable" location="extensions">ios_export.py</dependency>
+
+	<param name="source" type="notebook">
+		<page name="selected_ids" _gui-text="Selection">
+			<_param name="title" type="description">Exports all currently selected items in different densities. The exported PNGs will be named by their ID in the SVG, so make sure that all items have reasonable IDs.</_param>
+		</page>
+		<page name="page" _gui-text="Page">
+			<_param name="title" type="description">Exports the entire page in different densities.</_param>
+			<param name="resname" type="string" _gui-text="Resource name" />
+		</page>
+	</param>
+
+	<param name="resdir" type="string" _gui-text="iOS Resource directory"></param>
+	<param name="@1x" type="boolean" _gui-text="Export @1x">true</param>
+	<param name="@2x" type="boolean" _gui-text="Export @2x">true</param>
+	<param name="@3x" type="boolean" _gui-text="Export @3x">true</param>
+	<param name="strip" type="boolean" _gui-text="Use ImageMagick to reduce the image size">false</param>
+	<param name="optimize" type="boolean" _gui-text="Use OptiPNG to reduce the image size">true</param>
+
+	<effect needs-live-preview="false">
+		<object-type>all</object-type>
+		<effects-menu>
+			<submenu _name="Export"/>
+		</effects-menu>
+	</effect>
+
+	<script>
+		<command reldir="extensions" interpreter="python">ios_export.py</command>
+	</script>
+</inkscape-extension>

ios_export.py

@@ -0,0 +1,144 @@
+#!/usr/bin/env python
+
+# ***** BEGIN APACHE LICENSE BLOCK *****
+#
+# Copyright 2013 Christian Becker <[email protected]>
+# 
+# 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.
+#
+# ***** END APACHE LICENCE BLOCK *****
+
+import optparse
+import os
+import subprocess
+import sys
+from copy import copy
+try:
+  from subprocess import DEVNULL
+except ImportError:
+  DEVNULL = open(os.devnull, 'w')
+
+def checkForPath(command):
+  return 0 == subprocess.call([
+                                command, "--version"
+                              ], stdout=DEVNULL, stderr=subprocess.STDOUT)
+
+def error(msg):
+  sys.stderr.write((unicode(msg) + "\n").encode("UTF-8"))
+  sys.exit(1)
+
+def export(svg, options):
+  for qualifier, dpi in options.densities:
+    export_density(svg, options, qualifier, dpi)
+
+def export_density(svg, options, qualifier, dpi):
+  dir = options.resdir
+
+  if not os.path.exists(dir):
+    os.makedirs(dir)
+
+  if qualifier == '@1x':
+    qualifier = ''
+
+  def export_resource(param, name, qualifier):
+    png = "%s/%s%s.png" % (dir, name, qualifier)
+
+    subprocess.check_call([ "inkscape",
+                            "--without-gui",
+                            param,
+                            "--export-dpi=%s" % dpi,
+                            "--export-png=%s" % png,
+                            svg ], stdout=DEVNULL, stderr=subprocess.STDOUT)
+
+    if options.strip:
+      subprocess.check_call([
+                              "convert", "-antialias", "-strip", png, png
+                            ], stdout=DEVNULL, stderr=subprocess.STDOUT)
+    if options.optimize:
+      subprocess.check_call([
+                              "optipng", "-quiet", "-o7", png
+                            ], stdout=DEVNULL, stderr=subprocess.STDOUT)
+
+  if options.source == '"selected_ids"':
+    for id in options.ids:
+      export_resource("--export-id=%s" % id, id, qualifier)
+  else:
+    export_resource("--export-area-page", options.resname, qualifier)
+
+def check_boolstr(option, opt, value):
+  value = value.capitalize()
+  if value == "True":
+    return True
+  if value == "False":
+    return False
+  raise optparse.OptionValueError("option %s: invalid boolean value: %s" % (opt, value))
+
+class Option(optparse.Option):
+  TYPES = optparse.Option.TYPES + ("boolstr",)
+  TYPE_CHECKER = copy(optparse.Option.TYPE_CHECKER)
+  TYPE_CHECKER["boolstr"] = check_boolstr
+
+def append_density(option, opt_str, value, parser, *density):
+  if not value:
+    return
+  if getattr(parser.values, option.dest) is None:
+    setattr(parser.values, option.dest, [])
+  getattr(parser.values, option.dest).append(density)
+
+class DensityGroup(optparse.OptionGroup):
+  def add_density_option(self, name, dpi):
+    self.add_option("--%s" % name, action="callback", type="boolstr", dest="densities", metavar="BOOL",
+      callback=append_density, callback_args=(name, dpi), help="Export %s variants" % name.upper())
+
+parser = optparse.OptionParser(usage="usage: %prog [options] SVGfile", option_class=Option)
+parser.add_option("--source",  action="store", type="choice", choices=('"selected_ids"', '"page"'),  help="Source of the drawable")
+parser.add_option("--id",      action="append", dest="ids", metavar="ID", help="ID attribute of objects to export, can be specified multiple times")
+parser.add_option("--resdir",  action="store",  help="Resources directory")
+parser.add_option("--resname", action="store",  help="Resource name (when --source=page)")
+
+group = DensityGroup(parser, "Select which densities to export")
+group.add_density_option("@1x", 96)
+group.add_density_option("@2x", 192)
+group.add_density_option("@3x", 288)
+parser.add_option_group(group)
+
+parser.add_option("--strip",  action="store",  type="boolstr", help="Use ImageMagick to reduce the image size")
+parser.add_option("--optimize",  action="store",  type="boolstr", help="Use OptiPNG to reduce the image size")
+
+(options, args) = parser.parse_args()
+if len(args) != 1:
+  parser.error("Expected exactly one argument, got %d" % len(args))
+svg = args[0]
+
+if options.resdir is None:
+  error("No iOS Resource directory specified")
+if not os.path.isdir(options.resdir):
+  error("Wrong iOS Resource directory specified:\n'%s' is no dir" % options.resdir)
+if not os.access(options.resdir, os.W_OK):
+  error("Wrong iOS Resource directory specified:\nCould not write to '%s'" % options.resdir)
+if options.source not in ('"selected_ids"', '"page"'):
+  error("Select what to export (selected items or whole page)")
+if options.source == '"selected_ids"' and options.ids is None:
+  error("Select at least one item to export")
+if options.source == '"page"' and not options.resname:
+  error("Please enter a resource name")
+if not options.densities:
+  error("Select at least one DPI variant to export")
+if not checkForPath("inkscape"):
+  error("Make sure you have 'inkscape' on your PATH")
+if options.strip and not checkForPath("convert"):
+  error("Make sure you have 'convert' on your PATH if you want to reduce the image size using ImageMagick")
+if options.optimize and not checkForPath("optipng"):
+  error("Make sure you have 'optipng' on your PATH if you want to reduce the image size using OptiPNG")
+
+export(svg, options)