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Python Source  |  2010-03-12  |  20.3 KB  |  431 lines
  1. #!/usr/bin/env python
  2. '''
  3. This extension allows you to draw crop, registration and other
  4. printing marks in Inkscape.
  5.  
  6. Authors:
  7.   Nicolas Dufour - Association Inkscape-fr
  8.   Aurelio A. Heckert <aurium(a)gmail.com>
  9.  
  10. Copyright (C) 2008 Authors
  11.  
  12. This program is free software; you can redistribute it and/or modify
  13. it under the terms of the GNU General Public License as published by
  14. the Free Software Foundation; either version 2 of the License, or
  15. (at your option) any later version.
  16.  
  17. This program is distributed in the hope that it will be useful,
  18. but WITHOUT ANY WARRANTY; without even the implied warranty of
  19. MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  20. GNU General Public License for more details.
  21.  
  22. You should have received a copy of the GNU General Public License
  23. along with this program; if not, write to the Free Software
  24. Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
  25. '''
  26.  
  27. import inkex, simplestyle, math
  28.  
  29. class Printing_Marks (inkex.Effect):
  30.  
  31.     # Default parameters
  32.     stroke_width = 0.25
  33.     mark_size = inkex.unittouu('1cm')
  34.     min_mark_margin = inkex.unittouu('3mm')
  35.  
  36.     def __init__(self):
  37.         inkex.Effect.__init__(self)
  38.         self.OptionParser.add_option("--tab",
  39.                                      action="store", type="string",
  40.                                      dest="tab")
  41.         self.OptionParser.add_option("--where",
  42.                                      action="store", type="string",
  43.                                      dest="where_to_crop", default=True,
  44.                                      help="Apply crop marks to...")
  45.         self.OptionParser.add_option("--crop_marks",
  46.                                      action="store", type="inkbool",
  47.                                      dest="crop_marks", default=True,
  48.                                      help="Draw crop Marks?")
  49.         self.OptionParser.add_option("--bleed_marks",
  50.                                      action="store", type="inkbool",
  51.                                      dest="bleed_marks", default=False,
  52.                                      help="Draw Bleed Marks?")
  53.         self.OptionParser.add_option("--registration_marks",
  54.                                      action="store", type="inkbool",
  55.                                      dest="reg_marks", default=False,
  56.                                      help="Draw Registration Marks?")
  57.         self.OptionParser.add_option("--star_target",
  58.                                      action="store", type="inkbool",
  59.                                      dest="star_target", default=False,
  60.                                      help="Draw Star Target?")
  61.         self.OptionParser.add_option("--colour_bars",
  62.                                      action="store", type="inkbool",
  63.                                      dest="colour_bars", default=False,
  64.                                      help="Draw Colour Bars?")
  65.         self.OptionParser.add_option("--page_info",
  66.                                      action="store", type="inkbool",
  67.                                      dest="page_info", default=False,
  68.                                      help="Draw Page Information?")
  69.         self.OptionParser.add_option("--unit",
  70.                                      action="store", type="string",
  71.                                      dest="unit", default=100.0,
  72.                                      help="Draw measurment")
  73.         self.OptionParser.add_option("--crop_offset",
  74.                                      action="store", type="float",
  75.                                      dest="crop_offset", default=0,
  76.                                      help="Offset")
  77.         self.OptionParser.add_option("--bleed_top",
  78.                                      action="store", type="float",
  79.                                      dest="bleed_top", default=0,
  80.                                      help="Bleed Top Size")
  81.         self.OptionParser.add_option("--bleed_bottom",
  82.                                      action="store", type="float",
  83.                                      dest="bleed_bottom", default=0,
  84.                                      help="Bleed Bottom Size")
  85.         self.OptionParser.add_option("--bleed_left",
  86.                                      action="store", type="float",
  87.                                      dest="bleed_left", default=0,
  88.                                      help="Bleed Left Size")
  89.         self.OptionParser.add_option("--bleed_right",
  90.                                      action="store", type="float",
  91.                                      dest="bleed_right", default=0,
  92.                                      help="Bleed Right Size")
  93.  
  94.  
  95.     def draw_crop_line(self, x1, y1, x2, y2, name, parent):
  96.         style = { 'stroke': '#000000', 'stroke-width': str(self.stroke_width),
  97.                   'fill': 'none'}
  98.         line_attribs = {'style': simplestyle.formatStyle(style),
  99.                         'id': name,
  100.                         'd': 'M '+str(x1)+','+str(y1)+' L '+str(x2)+','+str(y2)}
  101.         inkex.etree.SubElement(parent, 'path', line_attribs)
  102.  
  103.     def draw_bleed_line(self, x1, y1, x2, y2, name, parent):
  104.         style = { 'stroke': '#000000', 'stroke-width': str(self.stroke_width),
  105.                   'fill': 'none',
  106.                   'stroke-miterlimit': '4', 'stroke-dasharray': '4, 2, 1, 2',
  107.                   'stroke-dashoffset': '0' }
  108.         line_attribs = {'style': simplestyle.formatStyle(style),
  109.                         'id': name,
  110.                         'd': 'M '+str(x1)+','+str(y1)+' L '+str(x2)+','+str(y2)}
  111.         inkex.etree.SubElement(parent, 'path', line_attribs)
  112.  
  113.     def draw_reg_circles(self, cx, cy, r, name, colours, parent):
  114.         for i in range(len(colours)):
  115.             style = {'stroke':colours[i], 'stroke-width':str(r / len(colours)),
  116.                      'fill':'none'}
  117.             circle_attribs = {'style':simplestyle.formatStyle(style),
  118.                               inkex.addNS('label','inkscape'):name,
  119.                               'cx':str(cx), 'cy':str(cy),
  120.                               'r':str((r / len(colours)) * (i + 0.5))}
  121.             inkex.etree.SubElement(parent, inkex.addNS('circle','svg'),
  122.                                    circle_attribs)
  123.  
  124.     def draw_reg_marks(self, cx, cy, rotate, name, parent):
  125.         colours = ['#000000','#00ffff','#ff00ff','#ffff00','#000000']
  126.         g = inkex.etree.SubElement(parent, 'g', { 'id': name })
  127.         for i in range(len(colours)):
  128.             style = {'fill':colours[i], 'fill-opacity':'1', 'stroke':'none'}
  129.             r = (self.mark_size/2)
  130.             step = r
  131.             stroke = r / len(colours)
  132.             regoffset = stroke * i
  133.             regmark_attribs = {'style': simplestyle.formatStyle(style),
  134.                                'd': 'm' +\
  135.                                ' '+str(-regoffset)+','+str(r)  +\
  136.                                ' '+str(-stroke)   +',0'        +\
  137.                                ' '+str(step)      +','+str(-r) +\
  138.                                ' '+str(-step)     +','+str(-r) +\
  139.                                ' '+str(stroke)    +',0'        +\
  140.                                ' '+str(step)      +','+str(r)  +\
  141.                                ' '+str(-step)     +','+str(r)  +\
  142.                                ' z',
  143.                                'transform': 'translate('+str(cx)+','+str(cy)+ \
  144.                                             ') rotate('+str(rotate)+')'}
  145.             inkex.etree.SubElement(g, 'path', regmark_attribs)
  146.  
  147.     def draw_star_target(self, cx, cy, name, parent):
  148.         r = (self.mark_size/2)
  149.         style = {'fill':'#000', 'fill-opacity':'1', 'stroke':'none'}
  150.         d = ' M 0,0'
  151.         i = 0
  152.         while i < ( 2 * math.pi ):
  153.             i += math.pi / 16
  154.             d += ' L 0,0 ' +\
  155.                  ' L '+ str(math.sin(i)*r) +','+ str(math.cos(i)*r) +\
  156.                  ' L '+ str(math.sin(i+0.09)*r) +','+ str(math.cos(i+0.09)*r)
  157.         regmark_attribs = {'style':simplestyle.formatStyle(style),
  158.                           inkex.addNS('label','inkscape'):name,
  159.                           'transform':'translate('+str(cx)+','+str(cy)+')',
  160.                           'd':d}
  161.         inkex.etree.SubElement(parent, inkex.addNS('path','svg'),
  162.                                regmark_attribs)
  163.  
  164.     def draw_coluor_bars(self, cx, cy, rotate, name, parent):
  165.         g = inkex.etree.SubElement(parent, 'g', {
  166.                 'id':name,
  167.                 'transform':'translate('+str(cx)+','+str(cy)+\
  168.                             ') rotate('+str(rotate)+')' })
  169.         l = min( self.mark_size / 3, max(self.width,self.height) / 45 )
  170.         for bar in [{'c':'*', 'stroke':'#000', 'x':0,        'y':-(l+1)},
  171.                     {'c':'r', 'stroke':'#0FF', 'x':0,        'y':0},
  172.                     {'c':'g', 'stroke':'#F0F', 'x':(l*11)+1, 'y':-(l+1)},
  173.                     {'c':'b', 'stroke':'#FF0', 'x':(l*11)+1, 'y':0}
  174.                    ]:
  175.             i = 0
  176.             while i <= 1:
  177.                 cr = '255'
  178.                 cg = '255'
  179.                 cb = '255'
  180.                 if bar['c'] == 'r' or bar['c'] == '*' : cr = str(255*i)
  181.                 if bar['c'] == 'g' or bar['c'] == '*' : cg = str(255*i)
  182.                 if bar['c'] == 'b' or bar['c'] == '*' : cb = str(255*i)
  183.                 r_att = {'fill':'rgb('+cr+','+cg+','+cb+')',
  184.                          'stroke':bar['stroke'],
  185.                          'stroke-width':'0.5',
  186.                          'x':str((l*i*10)+bar['x']), 'y':str(bar['y']),
  187.                          'width':str(l), 'height':str(l)}
  188.                 r = inkex.etree.SubElement(g, 'rect', r_att)
  189.                 i += 0.1
  190.  
  191.     def effect(self):
  192.  
  193.         if self.options.where_to_crop == 'selection' :
  194.             inkex.errormsg('Sory, the crop to selection is a TODO feature')
  195.  
  196.         # Get SVG document dimensions
  197.         svg = self.document.getroot()
  198.         self.width  = width  = inkex.unittouu(svg.get('width'))
  199.         self.height = height = inkex.unittouu(svg.attrib['height'])
  200.  
  201.         # Convert parameters to user unit
  202.         offset = inkex.unittouu(str(self.options.crop_offset) + \
  203.                                 self.options.unit)
  204.         bt = inkex.unittouu(str(self.options.bleed_top)    + self.options.unit)
  205.         bb = inkex.unittouu(str(self.options.bleed_bottom) + self.options.unit)
  206.         bl = inkex.unittouu(str(self.options.bleed_left)   + self.options.unit)
  207.         br = inkex.unittouu(str(self.options.bleed_right)  + self.options.unit)
  208.         # Bleed margin
  209.         if bt < offset : bmt = 0
  210.         else :           bmt = bt - offset
  211.         if bb < offset : bmb = 0
  212.         else :           bmb = bb - offset
  213.         if bl < offset : bml = 0
  214.         else :           bml = bl - offset
  215.         if br < offset : bmr = 0
  216.         else :           bmr = br - offset
  217.  
  218.         # Define the new document limits
  219.         left   = - offset
  220.         right  = width + offset
  221.         top    = - offset
  222.         bottom = height + offset
  223.  
  224.         # Test if printing-marks layer existis
  225.         layer = self.document.xpath(
  226.                      '//*[@id="printing-marks" and @inkscape:groupmode="layer"]',
  227.                      namespaces=inkex.NSS)
  228.         if layer: svg.remove(layer[0]) # remove if it existis
  229.         # Create a new layer
  230.         layer = inkex.etree.SubElement(svg, 'g')
  231.         layer.set('id', 'printing-marks')
  232.         layer.set(inkex.addNS('label', 'inkscape'), 'Printing Marks')
  233.         layer.set(inkex.addNS('groupmode', 'inkscape'), 'layer')
  234.         layer.set(inkex.addNS('insensitive', 'sodipodi'), 'true')
  235.  
  236.         # Crop Mark
  237.         if self.options.crop_marks == True:
  238.             # Create a group for Crop Mark
  239.             g_attribs = {inkex.addNS('label','inkscape'):'CropMarks',
  240.                                                     'id':'CropMarks'}
  241.             g_crops = inkex.etree.SubElement(layer, 'g', g_attribs)
  242.  
  243.             # Top left Mark
  244.             self.draw_crop_line(0, top,
  245.                                 0, top - self.mark_size,
  246.                                 'cropTL1', g_crops)
  247.             self.draw_crop_line(left, 0,
  248.                                 left - self.mark_size, 0,
  249.                                 'cropTL2', g_crops)
  250.  
  251.             # Top right Mark
  252.             self.draw_crop_line(width, top,
  253.                                 width , top - self.mark_size,
  254.                                 'cropTR1', g_crops)
  255.             self.draw_crop_line(right, 0,
  256.                                 right + self.mark_size, 0,
  257.                                 'cropTR2', g_crops)
  258.  
  259.             # Bottom left Mark
  260.             self.draw_crop_line(0, bottom,
  261.                                 0, bottom + self.mark_size,
  262.                                 'cropBL1', g_crops)
  263.             self.draw_crop_line(left, height,
  264.                                 left - self.mark_size, height,
  265.                                 'cropBL2', g_crops)
  266.  
  267.             # Bottom right Mark
  268.             self.draw_crop_line(width, bottom,
  269.                                 width, bottom + self.mark_size,
  270.                                 'cropBR1', g_crops)
  271.             self.draw_crop_line(right, height,
  272.                                 right + self.mark_size, height,
  273.                                 'cropBR2', g_crops)
  274.  
  275.         # Bleed Mark
  276.         if self.options.bleed_marks == True:
  277.             # Create a group for Bleed Mark
  278.             g_attribs = {inkex.addNS('label','inkscape'):'BleedMarks',
  279.                                                     'id':'BleedMarks'}
  280.             g_bleed = inkex.etree.SubElement(layer, 'g', g_attribs)
  281.  
  282.             # Top left Mark
  283.             self.draw_bleed_line(-bl, top - bmt,
  284.                                  -bl, top - bmt - self.mark_size,
  285.                                  'bleedTL1', g_bleed)
  286.             self.draw_bleed_line(left - bml, -bt,
  287.                                  left - bml - self.mark_size, -bt,
  288.                                  'bleedTL2', g_bleed)
  289.  
  290.             # Top right Mark
  291.             self.draw_bleed_line(width + br, top - bmt,
  292.                                  width + br, top - bmt - self.mark_size,
  293.                                  'bleedTR1', g_bleed)
  294.             self.draw_bleed_line(right + bmr, -bt,
  295.                                  right + bmr + self.mark_size, -bt,
  296.                                  'bleedTR2', g_bleed)
  297.  
  298.             # Bottom left Mark
  299.             self.draw_bleed_line(-bl, bottom + bmb,
  300.                                  -bl, bottom + bmb + self.mark_size,
  301.                                  'bleedBL1', g_bleed)
  302.             self.draw_bleed_line(left - bml, height + bb,
  303.                                  left - bml - self.mark_size, height + bb,
  304.                                  'bleedBL2', g_bleed)   
  305.  
  306.             # Bottom right Mark
  307.             self.draw_bleed_line(width + br, bottom + bmb,
  308.                                  width + br, bottom + bmb + self.mark_size,
  309.                                  'bleedBR1', g_bleed)
  310.             self.draw_bleed_line(right + bmr, height + bb,
  311.                                  right + bmr + self.mark_size, height + bb,
  312.                                  'bleedBR2', g_bleed)
  313.  
  314.         # Registration Mark
  315.         if self.options.reg_marks == True:
  316.             # Create a group for Registration Mark
  317.             g_attribs = {inkex.addNS('label','inkscape'):'RegistrationMarks',
  318.                                                     'id':'RegistrationMarks'}
  319.             g_center = inkex.etree.SubElement(layer, 'g', g_attribs)
  320.  
  321.             # Left Mark
  322.             cx = max( bml + offset, self.min_mark_margin )
  323.             self.draw_reg_marks(-cx - (self.mark_size/2),
  324.                                 (height/2) - self.mark_size*1.5,
  325.                                 '0', 'regMarkL', g_center)
  326.  
  327.             # Right Mark
  328.             cx = max( bmr + offset, self.min_mark_margin )
  329.             self.draw_reg_marks(width + cx + (self.mark_size/2),
  330.                                 (height/2) - self.mark_size*1.5,
  331.                                 '180', 'regMarkR', g_center)
  332.  
  333.             # Top Mark
  334.             cy = max( bmt + offset, self.min_mark_margin )
  335.             self.draw_reg_marks((width/2),
  336.                                 -cy - (self.mark_size/2),
  337.                                 '90', 'regMarkT', g_center)
  338.  
  339.             # Bottom Mark
  340.             cy = max( bmb + offset, self.min_mark_margin )
  341.             self.draw_reg_marks((width/2),
  342.                                 height + cy + (self.mark_size/2),
  343.                                 '-90', 'regMarkB', g_center)
  344.  
  345.         # Star Target
  346.         if self.options.star_target == True:
  347.             # Create a group for Star Target
  348.             g_attribs = {inkex.addNS('label','inkscape'):'StarTarget',
  349.                                                     'id':'StarTarget'}
  350.             g_center = inkex.etree.SubElement(layer, 'g', g_attribs)
  351.  
  352.             if height < width :
  353.                 # Left Star
  354.                 cx = max( bml + offset, self.min_mark_margin )
  355.                 self.draw_star_target(-cx - (self.mark_size/2),
  356.                                       (height/2),
  357.                                       'starTargetL', g_center)
  358.                 # Right Star
  359.                 cx = max( bmr + offset, self.min_mark_margin )
  360.                 self.draw_star_target(width + cx + (self.mark_size/2),
  361.                                       (height/2),
  362.                                       'starTargetR', g_center)
  363.             else :
  364.                 # Top Star
  365.                 cy = max( bmt + offset, self.min_mark_margin )
  366.                 self.draw_star_target((width/2) - self.mark_size*1.5,
  367.                                       -cy - (self.mark_size/2),
  368.                                       'starTargetT', g_center)
  369.                 # Bottom Star
  370.                 cy = max( bmb + offset, self.min_mark_margin )
  371.                 self.draw_star_target((width/2) - self.mark_size*1.5,
  372.                                       height + cy + (self.mark_size/2),
  373.                                       'starTargetB', g_center)
  374.  
  375.  
  376.         # Colour Bars
  377.         if self.options.colour_bars == True:
  378.             # Create a group for Colour Bars
  379.             g_attribs = {inkex.addNS('label','inkscape'):'ColourBars',
  380.                                                     'id':'PrintingColourBars'}
  381.             g_center = inkex.etree.SubElement(layer, 'g', g_attribs)
  382.  
  383.             if height > width :
  384.                 # Left Bars
  385.                 cx = max( bml + offset, self.min_mark_margin )
  386.                 self.draw_coluor_bars(-cx - (self.mark_size/2),
  387.                                       height/2,
  388.                                       90,
  389.                                       'PrintingColourBarsL', g_center)
  390.                 # Right Bars
  391.                 cx = max( bmr + offset, self.min_mark_margin )
  392.                 self.draw_coluor_bars(width + cx + (self.mark_size/2),
  393.                                       height/2,
  394.                                       90,
  395.                                       'PrintingColourBarsR', g_center)
  396.             else :
  397.                 # Top Bars
  398.                 cy = max( bmt + offset, self.min_mark_margin )
  399.                 self.draw_coluor_bars(width/2,
  400.                                       -cy - (self.mark_size/2),
  401.                                       0,
  402.                                       'PrintingColourBarsT', g_center)
  403.                 # Bottom Bars
  404.                 cy = max( bmb + offset, self.min_mark_margin )
  405.                 self.draw_coluor_bars(width/2,
  406.                                       height + cy + (self.mark_size/2),
  407.                                       0,
  408.                                       'PrintingColourBarsB', g_center)
  409.  
  410.  
  411.         # Page Information
  412.         if self.options.page_info == True:
  413.             # Create a group for Page Information
  414.             g_attribs = {inkex.addNS('label','inkscape'):'PageInformation',
  415.                                                     'id':'PageInformation'}
  416.             g_pag_info = inkex.etree.SubElement(layer, 'g', g_attribs)
  417.             y_margin = max( bmb + offset, self.min_mark_margin )
  418.             txt_attribs = {'style':'font-size:12px;font-style:normal;font-weight:normal;fill:#000000;font-family:Bitstream Vera Sans,sans-serif;text-anchor:middle;text-align:center',
  419.                            'x':str(width/2), 'y':str(height+y_margin+self.mark_size+20)}
  420.             txt = inkex.etree.SubElement(g_pag_info, 'text', txt_attribs)
  421.             txt.text = 'Page size: ' +\
  422.                        str(round(inkex.uutounit(width,self.options.unit),2)) +\
  423.                        'x' +\
  424.                        str(round(inkex.uutounit(height,self.options.unit),2)) +\
  425.                        ' ' + self.options.unit
  426.  
  427.  
  428. if __name__ == '__main__':
  429.     e = Printing_Marks()
  430.     e.affect()
  431.