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#!/usr/bin/env python
'''
Copyright (C) 2010 Aurelio A. Heckert, aurium (a) gmail dot com
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2 of the License, 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., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
'''
from webslicer_effect import *
import inkex
import gettext
import os.path
import tempfile
import commands
_ = gettext.gettext
class WebSlicer_Export(WebSlicer_Effect):
def __init__(self):
WebSlicer_Effect.__init__(self)
self.OptionParser.add_option("--dir",
action="store", type="string",
dest="dir",
help="")
self.OptionParser.add_option("--create-dir",
action="store", type="inkbool",
default=False,
dest="create_dir",
help="")
self.OptionParser.add_option("--with-code",
action="store", type="inkbool",
default=False,
dest="with_code",
help="")
def effect(self):
# The user must supply a directory to export:
if is_empty( self.options.dir ):
inkex.errormsg(_('You must to give a directory to export the slices.'))
return {'error':'You must to give a directory to export the slices.'}
# No directory separator at the path end:
if self.options.dir[-1] == '/' or self.options.dir[-1] == '\\':
self.options.dir = self.options.dir[0:-1]
# Test if the directory exists:
if not os.path.exists( self.options.dir ):
if self.options.create_dir:
# Try to create it:
try:
os.makedirs( self.options.dir )
except Exception as e:
inkex.errormsg( _('Can\'t create "%s".') % self.options.dir )
inkex.errormsg( _('Error: %s') % e )
return {'error':'Can\'t create the directory to export.'}
else:
inkex.errormsg(_('The directory "%s" does not exists.') % self.options.dir)
return
# Create HTML and CSS files, if the user wants:
if self.options.with_code:
try:
self.html = open(os.path.join(self.options.dir,'layout.html'), 'w')
self.css = open(os.path.join(self.options.dir,'style.css'), 'w')
self.html.write('Only a test yet\n\n')
self.css.write('/* Only a test yet */\n\n')
except Exception as e:
inkex.errormsg( _('Can\'t create code files.') )
inkex.errormsg( _('Error: %s') % e )
return {'error':'Can\'t create code files.'}
# Create the temporary SVG with invisible Slicer layer to export image pieces
self.create_the_temporary_svg()
# Start what we really want!
self.export_chids_of( self.get_slicer_layer() )
# Close the HTML and CSS files:
if self.options.with_code:
self.html.close()
self.css.write( self.css_code() )
self.css.close()
# Delete the temporary SVG with invisible Slicer layer
self.delete_the_temporary_svg()
#TODO: prevent inkex to return svg code to update Inkscape
svgNS = '{http://www.w3.org/2000/svg}'
def create_the_temporary_svg(self):
(ref, self.tmp_svg) = tempfile.mkstemp('.svg')
layer = self.get_slicer_layer()
current_style = ('style' in layer.attrib) and layer.attrib['style'] or ''
layer.attrib['style'] = 'display:none'
self.document.write( self.tmp_svg );
layer.attrib['style'] = current_style
def delete_the_temporary_svg(self):
os.remove( self.tmp_svg )
noid_element_count = 0
def get_el_conf(self, el):
desc = el.find('{http://www.w3.org/2000/svg}desc')
conf = {}
if desc is None:
desc = inkex.etree.SubElement(el, 'desc')
if desc.text is None:
desc.text = ''
for line in desc.text.split("\n"):
if line.find(':') > 0:
line = line.split(':')
conf[line[0].strip()] = line[1].strip()
if not 'html-id' in conf:
if el == self.get_slicer_layer():
return {'html-id':'#body#'}
else:
self.noid_element_count += 1
conf['html-id'] = 'element-'+str(self.noid_element_count)
desc.text += "\nhtml-id:"+conf['html-id']
return conf
def export_chids_of(self, parent):
parent_id = self.get_el_conf( parent )['html-id']
for el in parent.getchildren():
el_conf = self.get_el_conf( el )
if el.tag == self.svgNS+'g':
if self.options.with_code:
self.register_group_code( el, el_conf )
else:
self.export_chids_of( el )
if el.tag in [ self.svgNS+'rect', self.svgNS+'path', self.svgNS+'circle' ]:
if self.options.with_code:
self.register_unity_code( el, el_conf, parent_id )
self.export_img( el, el_conf )
def register_group_code(self, group, conf):
#inkex.errormsg( 'group CSS and HTML' )
self.html.write( '<div id="G">\n' )
for att in conf:
self.html.write( ' <!-- {att} : {val} -->\n'.format(att=att, val=conf[att]) )
self.export_chids_of( group )
self.html.write( '</div><!-- end id="G" -->\n' )
def register_unity_code(self, el, conf, parent_id):
#inkex.errormsg( 'unity CSS and HTML' )
css_selector = '#'+conf['html-id']
if not 'layout-disposition' in conf:
conf['layout-disposition'] = 'bg-el-norepeat'
if conf['layout-disposition'][0:9] == 'bg-parent':
if parent_id == '#body#':
css_selector = 'body'
else:
css_selector = '#'+parent_id
for att in conf:
self.html.write( '<!-- bg {att} : {val} -->\n'.format(att=att, val=conf[att]) )
else:
self.html.write( '<div id="image">\n' )
for att in conf:
self.html.write( ' <!-- {att} : {val} -->\n'.format(att=att, val=conf[att]) )
self.html.write( '</div><!-- end id="image" -->\n' )
self.reg_css( css_selector, 'background',
'url("%s")' % self.img_name(el, conf) )
def img_name(self, el, conf):
return el.attrib['id']+'.png'
def export_img(self, el, conf):
(status, output) = commands.getstatusoutput(
"inkscape -i '%s' -e '%s' '%s'" % (
el.attrib['id'],
os.path.join( self.options.dir, self.img_name(el, conf) ),
self.tmp_svg
)
)
#inkex.errormsg( status )
#inkex.errormsg( output )
_css = {}
def reg_css(self, selector, att, val):
if not selector in self._css: self._css[selector] = {}
if not att in self._css[selector]: self._css[selector][att] = []
self._css[selector][att].append( val )
def css_code(self):
code = ''
for selector in self._css:
code += '\n'+selector+' {\n'
for att in self._css[selector]:
code += ' '+ att +': '+ (', '.join(self._css[selector][att])) +';\n'
code += '}\n'
return code
if __name__ == '__main__':
e = WebSlicer_Export()
e.affect()
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