printing-marks.py revision b4da8c581c686df305a1ba372f1c52066328b980
#!/usr/bin/env python
'''
This extension allows you to draw crop, registration and other
printing marks in Inkscape.
Authors:
Nicolas Dufour - Association Inkscape-fr
Aurelio A. Heckert <aurium(a)gmail.com>
Copyright (C) 2008 Authors
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
'''
import inkex, simplestyle, math
class Printing_Marks (inkex.Effect):
# Default parameters
stroke_width = 0.25
mark_size = inkex.unittouu('1cm')
min_mark_margin = inkex.unittouu('3mm')
def __init__(self):
inkex.Effect.__init__(self)
self.OptionParser.add_option("--tab",
action="store", type="string",
dest="tab")
self.OptionParser.add_option("--where",
action="store", type="string",
dest="where_to_crop", default=True,
help="Apply crop marks to...")
self.OptionParser.add_option("--crop_marks",
action="store", type="inkbool",
dest="crop_marks", default=True,
help="Draw crop Marks?")
self.OptionParser.add_option("--bleed_marks",
action="store", type="inkbool",
dest="bleed_marks", default=False,
help="Draw Bleed Marks?")
self.OptionParser.add_option("--registration_marks",
action="store", type="inkbool",
dest="reg_marks", default=False,
help="Draw Registration Marks?")
self.OptionParser.add_option("--star_target",
action="store", type="inkbool",
dest="star_target", default=False,
help="Draw Star Target?")
self.OptionParser.add_option("--colour_bars",
action="store", type="inkbool",
dest="colour_bars", default=False,
help="Draw Colour Bars?")
self.OptionParser.add_option("--page_info",
action="store", type="inkbool",
dest="page_info", default=False,
help="Draw Page Information?")
self.OptionParser.add_option("--unit",
action="store", type="string",
dest="unit", default=100.0,
help="Draw measurment")
self.OptionParser.add_option("--crop_offset",
action="store", type="float",
dest="crop_offset", default=0,
help="Offset")
self.OptionParser.add_option("--bleed_top",
action="store", type="float",
dest="bleed_top", default=0,
help="Bleed Top Size")
self.OptionParser.add_option("--bleed_bottom",
action="store", type="float",
dest="bleed_bottom", default=0,
help="Bleed Bottom Size")
self.OptionParser.add_option("--bleed_left",
action="store", type="float",
dest="bleed_left", default=0,
help="Bleed Left Size")
self.OptionParser.add_option("--bleed_right",
action="store", type="float",
dest="bleed_right", default=0,
help="Bleed Right Size")
def draw_crop_line(self, x1, y1, x2, y2, name, parent):
style = { 'stroke': '#000000', 'stroke-width': str(self.stroke_width), 'fill': 'none'}
line_attribs = {'style': simplestyle.formatStyle(style),
'id': name,
'd': 'M '+str(x1)+','+str(y1)+' L '+str(x2)+','+str(y2)}
inkex.etree.SubElement(parent, 'path', line_attribs)
def draw_bleed_line(self, x1, y1, x2, y2, name, parent):
style = { 'stroke': '#000000', 'stroke-width': str(self.stroke_width), 'fill': 'none',
'stroke-miterlimit': '4', 'stroke-dasharray': '4, 2, 1, 2',
'stroke-dashoffset': '0' }
line_attribs = {'style': simplestyle.formatStyle(style),
'id': name,
'd': 'M '+str(x1)+','+str(y1)+' L '+str(x2)+','+str(y2)}
inkex.etree.SubElement(parent, 'path', line_attribs)
def draw_reg_circles(self, cx, cy, r, name, colours, parent):
for i in range(len(colours)):
style = {'stroke':colours[i], 'stroke-width':str(r / len(colours)),
'fill':'none'}
circle_attribs = {'style':simplestyle.formatStyle(style),
inkex.addNS('label','inkscape'):name,
'cx':str(cx), 'cy':str(cy),
'r':str((r / len(colours)) * (i + 0.5))}
inkex.etree.SubElement(parent, inkex.addNS('circle','svg'),
circle_attribs)
def draw_reg_marks(self, cx, cy, rotate, name, parent):
colours = ['#000000','#00ffff','#ff00ff','#ffff00','#000000']
g = inkex.etree.SubElement(parent, 'g', { 'id': name })
for i in range(len(colours)):
style = {'fill':colours[i], 'fill-opacity':'1', 'stroke':'none'}
r = (self.mark_size/2)
step = r
stroke = r / len(colours)
regoffset = stroke * i
regmark_attribs = {'style': simplestyle.formatStyle(style),
'd': 'm' +\
' '+str(-regoffset)+','+str(r) +\
' '+str(-stroke) +',0' +\
' '+str(step) +','+str(-r) +\
' '+str(-step) +','+str(-r) +\
' '+str(stroke) +',0' +\
' '+str(step) +','+str(r) +\
' '+str(-step) +','+str(r) +\
' z',
'transform': 'translate('+str(cx)+','+str(cy)+ \
') rotate('+str(rotate)+')'}
inkex.etree.SubElement(g, 'path', regmark_attribs)
def draw_star_target(self, cx, cy, name, parent):
r = (self.mark_size/2)
style = {'fill':'#000', 'fill-opacity':'1', 'stroke':'none'}
d = ' M 0,0'
i = 0
while i < ( 2 * math.pi ):
i += math.pi / 16
d += ' L 0,0 ' +\
' L '+ str(math.sin(i)*r) +','+ str(math.cos(i)*r) +\
' L '+ str(math.sin(i+0.09)*r) +','+ str(math.cos(i+0.09)*r)
regmark_attribs = {'style':simplestyle.formatStyle(style),
inkex.addNS('label','inkscape'):name,
'transform':'translate('+str(cx)+','+str(cy)+')',
'd':d}
inkex.etree.SubElement(parent, inkex.addNS('path','svg'), regmark_attribs)
def draw_coluor_bars(self, cx, cy, rotate, name, parent):
g = inkex.etree.SubElement(parent, 'g', {
'id':name,
'transform':'translate('+str(cx)+','+str(cy)+\
') rotate('+str(rotate)+')' })
l = self.mark_size / 3
for bar in [{'c':'*', 'stroke':'#000', 'x':0, 'y':-(l+1)},
{'c':'r', 'stroke':'#0FF', 'x':0, 'y':0},
{'c':'g', 'stroke':'#F0F', 'x':(l*11)+1, 'y':-(l+1)},
{'c':'b', 'stroke':'#FF0', 'x':(l*11)+1, 'y':0}
]:
i = 0
while i <= 1:
cr = '255'
cg = '255'
cb = '255'
if bar['c'] == 'r' or bar['c'] == '*' : cr = str(255*i)
if bar['c'] == 'g' or bar['c'] == '*' : cg = str(255*i)
if bar['c'] == 'b' or bar['c'] == '*' : cb = str(255*i)
r_att = {'fill':'rgb('+cr+','+cg+','+cb+')',
'stroke':bar['stroke'],
'x':str((l*i*10)+bar['x']), 'y':str(bar['y']),
'width':str(l), 'height':str(l)}
r = inkex.etree.SubElement(g, 'rect', r_att)
i += 0.1
def effect(self):
if self.options.where_to_crop == 'selection' :
inkex.errormsg('Sory, the crop to selection is a TODO feature')
# Get SVG document dimensions
svg = self.document.getroot()
width = inkex.unittouu(svg.get('width'))
height = inkex.unittouu(svg.attrib['height'])
# Convert parameters to user unit
offset = inkex.unittouu(str(self.options.crop_offset) + self.options.unit)
bt = inkex.unittouu(str(self.options.bleed_top) + self.options.unit)
bb = inkex.unittouu(str(self.options.bleed_bottom) + self.options.unit)
bl = inkex.unittouu(str(self.options.bleed_left) + self.options.unit)
br = inkex.unittouu(str(self.options.bleed_right) + self.options.unit)
# Bleed margin
if bt < offset : bmt = 0
else : bmt = bt - offset
if bb < offset : bmb = 0
else : bmb = bb - offset
if bl < offset : bml = 0
else : bml = bl - offset
if br < offset : bmr = 0
else : bmr = br - offset
# Define the new document limits
left = - offset
right = width + offset
top = - offset
bottom = height + offset
# Create a new layer
layer = inkex.etree.SubElement(svg, 'g')
layer.set('id', 'printing-marks')
layer.set(inkex.addNS('label', 'inkscape'), 'Printing Marks')
layer.set(inkex.addNS('groupmode', 'inkscape'), 'layer')
# Crop Mark
if self.options.crop_marks == True:
# Create a group for Crop Mark
g_attribs = {inkex.addNS('label','inkscape'):'CropMarks',
'id':'CropMarks'}
g_crops = inkex.etree.SubElement(layer, 'g', g_attribs)
# Top left Mark
self.draw_crop_line(0, top,
0, top - self.mark_size,
'cropTL1', g_crops)
self.draw_crop_line(left, 0,
left - self.mark_size, 0,
'cropTL2', g_crops)
# Top right Mark
self.draw_crop_line(width, top,
width , top - self.mark_size,
'cropTR1', g_crops)
self.draw_crop_line(right, 0,
right + self.mark_size, 0,
'cropTR2', g_crops)
# Bottom left Mark
self.draw_crop_line(0, bottom,
0, bottom + self.mark_size,
'cropBL1', g_crops)
self.draw_crop_line(left, height,
left - self.mark_size, height,
'cropBL2', g_crops)
# Bottom right Mark
self.draw_crop_line(width, bottom,
width, bottom + self.mark_size,
'cropBR1', g_crops)
self.draw_crop_line(right, height,
right + self.mark_size, height,
'cropBR2', g_crops)
# Bleed Mark
if self.options.bleed_marks == True:
# Create a group for Bleed Mark
g_attribs = {inkex.addNS('label','inkscape'):'BleedMarks',
'id':'BleedMarks'}
g_bleed = inkex.etree.SubElement(layer, 'g', g_attribs)
# Top left Mark
self.draw_bleed_line(-bl, top - bmt,
-bl, top - bmt - self.mark_size,
'bleedTL1', g_bleed)
self.draw_bleed_line(left - bml, -bt,
left - bml - self.mark_size, -bt,
'bleedTL2', g_bleed)
# Top right Mark
self.draw_bleed_line(width + br, top - bmt,
width + br, top - bmt - self.mark_size,
'bleedTR1', g_bleed)
self.draw_bleed_line(right + bmr, -bt,
right + bmr + self.mark_size, -bt,
'bleedTR2', g_bleed)
# Bottom left Mark
self.draw_bleed_line(-bl, bottom + bmb,
-bl, bottom + bmb + self.mark_size,
'bleedBL1', g_bleed)
self.draw_bleed_line(left - bml, height + bb,
left - bml - self.mark_size, height + bb,
'bleedBL2', g_bleed)
# Bottom right Mark
self.draw_bleed_line(width + br, bottom + bmb,
width + br, bottom + bmb + self.mark_size,
'bleedBR1', g_bleed)
self.draw_bleed_line(right + bmr, height + bb,
right + bmr + self.mark_size, height + bb,
'bleedBR2', g_bleed)
# Registration Mark
if self.options.reg_marks == True:
# Create a group for Registration Mark
g_attribs = {inkex.addNS('label','inkscape'):'RegistrationMarks',
'id':'RegistrationMarks'}
g_center = inkex.etree.SubElement(layer, 'g', g_attribs)
# Left Mark
cx = max( bml + offset, self.min_mark_margin )
self.draw_reg_marks(-cx - (self.mark_size/2),
(height/2) - self.mark_size*1.5,
'0', 'regMarkL', g_center)
# Right Mark
cx = max( bmr + offset, self.min_mark_margin )
self.draw_reg_marks(width + cx + (self.mark_size/2),
(height/2) - self.mark_size*1.5,
'180', 'regMarkR', g_center)
# Top Mark
cy = max( bmt + offset, self.min_mark_margin )
self.draw_reg_marks((width/2) - self.mark_size*1.5,
-cy - (self.mark_size/2),
'90', 'regMarkT', g_center)
# Bottom Mark
cy = max( bmb + offset, self.min_mark_margin )
self.draw_reg_marks((width/2) - self.mark_size*1.5,
height + cy + (self.mark_size/2),
'-90', 'regMarkB', g_center)
# Star Target
if self.options.star_target == True:
# Create a group for Star Target
g_attribs = {inkex.addNS('label','inkscape'):'StarTarget',
'id':'StarTarget'}
g_center = inkex.etree.SubElement(layer, 'g', g_attribs)
if height < width :
# Left Star
cx = max( bml + offset, self.min_mark_margin )
self.draw_star_target(-cx - (self.mark_size/2),
(height/2),
'starTargetL', g_center)
# Right Star
cx = max( bmr + offset, self.min_mark_margin )
self.draw_star_target(width + cx + (self.mark_size/2),
(height/2),
'starTargetR', g_center)
else :
# Top Star
cy = max( bmt + offset, self.min_mark_margin )
self.draw_star_target((width/2),
-cy - (self.mark_size/2),
'starTargetT', g_center)
# Bottom Star
cy = max( bmb + offset, self.min_mark_margin )
self.draw_star_target((width/2),
height + cy + (self.mark_size/2),
'starTargetB', g_center)
# Colour Bars
if self.options.colour_bars == True:
# Create a group for Colour Bars
g_attribs = {inkex.addNS('label','inkscape'):'ColourBars',
'id':'PrintingColourBars'}
g_center = inkex.etree.SubElement(layer, 'g', g_attribs)
if height > width :
# Left Bars
cx = max( bml + offset, self.min_mark_margin )
self.draw_coluor_bars(-cx - (self.mark_size/2),
height/2,
90,
'PrintingColourBarsL', g_center)
# Right Bars
cx = max( bmr + offset, self.min_mark_margin )
self.draw_coluor_bars(width + cx + (self.mark_size/2),
height/2,
90,
'PrintingColourBarsR', g_center)
else :
# Top Bars
cy = max( bmt + offset, self.min_mark_margin )
self.draw_coluor_bars(width/2,
-cy - (self.mark_size/2),
0,
'PrintingColourBarsT', g_center)
# Bottom Bars
cy = max( bmb + offset, self.min_mark_margin )
self.draw_coluor_bars(width/2,
height + cy + (self.mark_size/2),
0,
'PrintingColourBarsB', g_center)
# Page Information
if self.options.page_info == True:
# Create a group for Page Information
g_attribs = {inkex.addNS('label','inkscape'):'PageInformation',
'id':'PageInformation'}
g_pag_info = inkex.etree.SubElement(layer, 'g', g_attribs)
y_margin = max( bmb + offset, self.min_mark_margin )
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',
'x':str(width/2), 'y':str(height+y_margin+self.mark_size+20)}
txt = inkex.etree.SubElement(g_pag_info, 'text', txt_attribs)
txt.text = 'Page size: ' +\
str(round(inkex.uutounit(width,self.options.unit),2)) +\
'x' +\
str(round(inkex.uutounit(height,self.options.unit),2)) +\
' ' + self.options.unit
if __name__ == '__main__':
e = Printing_Marks()
e.affect()