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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
- import sys
- import tempfile
-
- _ = gettext.gettext
-
-
- class WebSlicer_Export(WebSlicer_Effect):
-
- def __init__(self):
- WebSlicer_Effect.__init__(self)
- self.OptionParser.add_option("--tab")
- 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="")
-
-
- svgNS = '{http://www.w3.org/2000/svg}'
-
-
- def validate_inputs(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, 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
- self.unique_html_id( self.get_slicer_layer() )
- return None
-
-
- def get_cmd_output(self, cmd):
- # This solution comes from Andrew Reedick <jr9445 at ATT.COM>
- # http://mail.python.org/pipermail/python-win32/2008-January/006606.html
- # This method replaces the commands.getstatusoutput() usage, with the
- # hope to correct the windows exporting bug:
- # https://bugs.launchpad.net/inkscape/+bug/563722
- if sys.platform != "win32": cmd = '{ '+ cmd +'; }'
- pipe = os.popen(cmd +' 2>&1', 'r')
- text = pipe.read()
- sts = pipe.close()
- if sts is None: sts = 0
- if text[-1:] == '\n': text = text[:-1]
- return sts, text
-
-
- _html_ids = []
- def unique_html_id(self, el):
- for child in el.getchildren():
- if child.tag in [ self.svgNS+'rect', self.svgNS+'path',
- self.svgNS+'circle', self.svgNS+'g' ]:
- conf = self.get_el_conf(child)
- if conf['html-id'] in self._html_ids:
- inkex.errormsg(
- _('You have more than one element with "%s" html-id.') %
- conf['html-id'] )
- n = 2
- while (conf['html-id']+"-"+str(n)) in self._html_ids: n += 1
- conf['html-id'] += "-"+str(n)
- self._html_ids.append( conf['html-id'] )
- self.save_conf( conf, child )
- self.unique_html_id( child )
-
-
- def test_if_has_imagemagick(self):
- (status, output) = self.get_cmd_output('convert --version')
- self.has_magick = ( status == 0 and 'ImageMagick' in output )
-
-
- def effect(self):
- self.test_if_has_imagemagick()
- error = self.validate_inputs()
- if error: return error
- # Register the basic CSS code:
- self.reg_css( 'body', 'text-align', 'center' )
- # 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() )
- # Write the HTML and CSS files if asked for:
- if self.options.with_code:
- self.make_html_file()
- self.make_css_file()
- # Delete the temporary SVG with invisible Slicer layer
- self.delete_the_temporary_svg()
- #TODO: prevent inkex to return svg code to update Inkscape
-
-
- def make_html_file(self):
- f = open(os.path.join(self.options.dir,'layout.html'), 'w')
- f.write(
- '<html>\n<head>\n' +\
- ' <title>Web Layout Testing</title>\n' +\
- ' <style type="text/css" media="screen">\n' +\
- ' @import url("style.css")\n' +\
- ' </style>\n' +\
- '</head>\n<body>\n' +\
- self.html_code() +\
- ' <p style="position:absolute; bottom:10px">\n' +\
- ' This HTML code is not done to the web. <br/>\n' +\
- ' The automatic HTML and CSS code are only a helper.' +\
- '</p>\n</body>\n</html>' )
- f.close()
-
-
- def make_css_file(self):
- f = open(os.path.join(self.options.dir,'style.css'), 'w')
- f.write(
- '/*\n' +\
- '** This CSS code is not done to the web.\n' +\
- '** The automatic HTML and CSS code are only a helper.\n' +\
- '*/\n' +\
- self.css_code() )
- f.close()
-
-
- 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(self.svgNS+'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 save_conf(self, conf, el):
- desc = el.find('{http://www.w3.org/2000/svg}desc')
- if desc is not None:
- conf_a = []
- for k in conf:
- conf_a.append( k+' : '+conf[k] )
- desc.text = "\n".join(conf_a)
-
-
- 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):
- self.reg_html('div', group)
- selec = '#'+conf['html-id']
- self.reg_css( selec, 'position', 'absolute' )
- geometry = self.get_relative_el_geometry(group)
- self.reg_css( selec, 'top', str(int(geometry['y']))+'px' )
- self.reg_css( selec, 'left', str(int(geometry['x']))+'px' )
- self.reg_css( selec, 'width', str(int(geometry['w']))+'px' )
- self.reg_css( selec, 'height', str(int(geometry['h']))+'px' )
- self.export_chids_of( group )
-
-
- def __validate_slice_conf(self, conf):
- if not 'layout-disposition' in conf:
- conf['layout-disposition'] = 'bg-el-norepeat'
- if not 'layout-position-anchor' in conf:
- conf['layout-position-anchor'] = 'mc'
- return conf
-
-
- def register_unity_code(self, el, conf, parent_id):
- conf = self.__validate_slice_conf(conf)
- css_selector = '#'+conf['html-id']
- bg_repeat = 'no-repeat'
- img_name = self.img_name(el, conf)
- if conf['layout-disposition'][0:2] == 'bg':
- if conf['layout-disposition'][0:9] == 'bg-parent':
- if parent_id == '#body#':
- css_selector = 'body'
- else:
- css_selector = '#'+parent_id
- if conf['layout-disposition'] == 'bg-parent-repeat':
- bg_repeat = 'repeat'
- if conf['layout-disposition'] == 'bg-parent-repeat-x':
- bg_repeat = 'repeat-x'
- if conf['layout-disposition'] == 'bg-parent-repeat-y':
- bg_repeat = 'repeat-y'
- lay_anchor = conf['layout-position-anchor']
- if lay_anchor == 'tl': lay_anchor = 'top left'
- if lay_anchor == 'tc': lay_anchor = 'top center'
- if lay_anchor == 'tr': lay_anchor = 'top right'
- if lay_anchor == 'ml': lay_anchor = 'middle left'
- if lay_anchor == 'mc': lay_anchor = 'middle center'
- if lay_anchor == 'mr': lay_anchor = 'middle right'
- if lay_anchor == 'bl': lay_anchor = 'bottom left'
- if lay_anchor == 'bc': lay_anchor = 'bottom center'
- if lay_anchor == 'br': lay_anchor = 'bottom right'
- self.reg_css( css_selector, 'background',
- 'url("%s") %s %s' % (img_name, bg_repeat, lay_anchor) )
- else: # conf['layout-disposition'][0:9] == 'bg-el...'
- self.reg_html('div', el)
- self.reg_css( css_selector, 'background',
- 'url("%s") %s' % (img_name, 'no-repeat') )
- self.reg_css( css_selector, 'position', 'absolute' )
- geo = self.get_relative_el_geometry(el,True)
- self.reg_css( css_selector, 'top', geo['y'] )
- self.reg_css( css_selector, 'left', geo['x'] )
- self.reg_css( css_selector, 'width', geo['w'] )
- self.reg_css( css_selector, 'height', geo['h'] )
- else: # conf['layout-disposition'] == 'img...'
- self.reg_html('img', el)
- if conf['layout-disposition'] == 'img-pos':
- self.reg_css( css_selector, 'position', 'absolute' )
- geo = self.get_relative_el_geometry(el)
- self.reg_css( css_selector, 'left', str(geo['x'])+'px' )
- self.reg_css( css_selector, 'top', str(geo['y'])+'px' )
- if conf['layout-disposition'] == 'img-float-left':
- self.reg_css( css_selector, 'float', 'right' )
- if conf['layout-disposition'] == 'img-float-right':
- self.reg_css( css_selector, 'float', 'right' )
-
-
- el_geo = { }
- def register_all_els_geometry(self):
- ink_cmm = 'inkscape --query-all '+self.tmp_svg
- (status, output) = self.get_cmd_output( ink_cmm )
- self.el_geo = { }
- if status == 0:
- for el in output.split('\n'):
- el = el.split(',')
- if len(el) == 5:
- self.el_geo[el[0]] = { 'x':float(el[1]), 'y':float(el[2]),
- 'w':float(el[3]), 'h':float(el[4]) }
- doc_w = inkex.unittouu( self.document.getroot().get('width') )
- doc_h = inkex.unittouu( self.document.getroot().get('height') )
- self.el_geo['webslicer-layer'] = { 'x':0, 'y':0, 'w':doc_w, 'h':doc_h }
-
-
- def get_relative_el_geometry(self, el, value_to_css=False):
- # This method return a dictionary with x, y, w and h keys.
- # All values are float, if value_to_css is False, otherwise
- # that is a string ended with "px". The x and y values are
- # relative to parent position.
- if not self.el_geo: self.register_all_els_geometry()
- parent = self.getParentNode(el)
- geometry = self.el_geo[el.attrib['id']]
- geometry['x'] -= self.el_geo[parent.attrib['id']]['x']
- geometry['y'] -= self.el_geo[parent.attrib['id']]['y']
- if value_to_css:
- for k in geometry: geometry[k] = str(int(geometry[k]))+'px'
- return geometry
-
-
- def img_name(self, el, conf):
- return el.attrib['id']+'.'+conf['format']
-
-
- def export_img(self, el, conf):
- if not self.has_magick:
- inkex.errormsg(_('You must install the ImageMagick to get JPG and GIF.'))
- conf['format'] = 'png'
- img_name = os.path.join( self.options.dir, self.img_name(el, conf) )
- img_name_png = img_name
- if conf['format'] != 'png':
- img_name_png = img_name+'.png'
- opts = ''
- if 'bg-color' in conf: opts += ' -b "'+conf['bg-color']+'" -y 1'
- if 'dpi' in conf: opts += ' -d '+conf['dpi']
- if 'dimension' in conf:
- dim = conf['dimension'].split('x')
- opts += ' -w '+dim[0]+' -h '+dim[1]
- (status, output) = self.get_cmd_output(
- 'inkscape %s -i "%s" -e "%s" "%s"' % (
- opts, el.attrib['id'], img_name_png, self.tmp_svg
- )
- )
- if conf['format'] != 'png':
- opts = ''
- if conf['format'] == 'jpg':
- opts += ' -quality '+str(conf['quality'])
- if conf['format'] == 'gif':
- if conf['gif-type'] == 'grayscale':
- opts += ' -type Grayscale'
- else:
- opts += ' -type Palette'
- if conf['palette-size'] < 256:
- opts += ' -colors '+str(conf['palette-size'])
- (status, output) = self.get_cmd_output(
- 'convert "%s" %s "%s"' % ( img_name_png, opts, img_name )
- )
- if status != 0:
- inkex.errormsg('Upss... ImageMagick error: '+output)
- os.remove(img_name_png)
-
-
- _html = {}
- def reg_html(self, el_tag, el):
- parent = self.getParentNode( el )
- parent_id = self.get_el_conf( parent )['html-id']
- if parent == self.get_slicer_layer(): parent_id = 'body'
- conf = self.get_el_conf( el )
- el_id = conf['html-id']
- if 'html-class' in conf:
- el_class = conf['html-class']
- else:
- el_class = ''
- if not parent_id in self._html: self._html[parent_id] = []
- self._html[parent_id].append({ 'tag':el_tag, 'id':el_id, 'class':el_class })
-
-
- def html_code(self, parent='body', ident=' '):
- #inkex.errormsg( self._html )
- if not parent in self._html: return ''
- code = ''
- for el in self._html[parent]:
- child_code = self.html_code(el['id'], ident+' ')
- tag_class = ''
- if el['class'] != '': tag_class = ' class="'+el['class']+'"'
- if el['tag'] == 'img':
- code += ident+'<img id="'+el['id']+'"'+tag_class+\
- ' src="'+self.img_name(el, self.get_el_conf(el))+'"/>\n'
- else:
- code += ident+'<'+el['tag']+' id="'+el['id']+'"'+tag_class+'>\n'
- if child_code:
- code += child_code
- else:
- code += ident+' Element '+el['id']+'\n'
- code += ident+'</'+el['tag']+'><!-- id="'+el['id']+'" -->\n'
- return code
-
-
- _css = []
- def reg_css(self, selector, att, val):
- pos = i = -1
- for s in self._css:
- i += 1
- if s['selector'] == selector: pos = i
- if pos == -1:
- pos = i + 1
- self._css.append({ 'selector':selector, 'atts':{} })
- if not att in self._css[pos]['atts']: self._css[pos]['atts'][att] = []
- self._css[pos]['atts'][att].append( val )
-
-
- def css_code(self):
- code = ''
- for s in self._css:
- code += '\n'+s['selector']+' {\n'
- for att in s['atts']:
- val = s['atts'][att]
- if att == 'background' and len(val) > 1:
- code += ' /* the next attribute needs a CSS3 enabled browser */\n'
- code += ' '+ att +': '+ (', '.join(val)) +';\n'
- code += '}\n'
- return code
-
-
- def output(self):
- # Cancel document serialization to stdout
- pass
-
-
- if __name__ == '__main__':
- e = WebSlicer_Export()
- e.affect()
-