import inkex, simplestyle, math

from StringIO import StringIO

def export_MTEXT():

# mandatory group codes : (1, 10, 20) (text, x, y)

if vals[groups['1']] and vals[groups['10']] and vals[groups['20']]:

x = vals[groups['10']][0]

y = vals[groups['20']][0]

# optional group codes : (40, 50) (text height mm, text angle)

size = 12 # default fontsize in px

if vals[groups['40']]:

size = scale*vals[groups['40']][0]

attribs = {'x': '%f' % x, 'y': '%f' % y, 'style': 'font-size: %dpx; fill: %s' % (size, color)}

angle = 0 # default angle in degrees

if vals[groups['50']]:

angle = vals[groups['50']][0]

attribs.update({'transform': 'rotate (%f %f %f)' % (-angle, x, y)})

attribs.update({inkex.addNS('linespacing','sodipodi'): '125%'})

node = inkex.etree.SubElement(layer, 'text', attribs)

text = vals[groups['1']][0]

found = text.find('\P') # new line

while found > -1:

tspan = inkex.etree.SubElement(node , 'tspan', {inkex.addNS('role','sodipodi'): 'line'})

tspan.text = text[:found]

text = text[(found+2):]

found = text.find('\P')

tspan = inkex.etree.SubElement(node , 'tspan', {inkex.addNS('role','sodipodi'): 'line'})

tspan.text = text

def export_POINT():

# mandatory group codes : (10, 20) (x, y)

if vals[groups['10']] and vals[groups['20']]:

generate_ellipse(vals[groups['10']][0], vals[groups['20']][0], w/2, 0.0, 1.0, 0.0, 0.0)

def export_LINE():

# mandatory group codes : (10, 11, 20, 21) (x1, x2, y1, y2)

if vals[groups['10']] and vals[groups['11']] and vals[groups['20']] and vals[groups['21']]:

path = 'M %f,%f %f,%f' % (vals[groups['10']][0], vals[groups['20']][0], scale*(vals[groups['11']][0] - xmin), - scale*(vals[groups['21']][0] - ymax))

attribs = {'d': path, 'style': style}

inkex.etree.SubElement(layer, 'path', attribs)

def export_SPLINE():

# mandatory group codes : (10, 20, 70) (x, y, flags)

if vals[groups['10']] and vals[groups['20']] and vals[groups['70']]:

if not (vals[groups['70']][0] & 3) and len(vals[groups['10']]) == 4 and len(vals[groups['20']]) == 4:

path = 'M %f,%f C %f,%f %f,%f %f,%f' % (vals[groups['10']][0], vals[groups['20']][0], vals[groups['10']][1], vals[groups['20']][1], vals[groups['10']][2], vals[groups['20']][2], vals[groups['10']][3], vals[groups['20']][3])

attribs = {'d': path, 'style': style}

inkex.etree.SubElement(layer, 'path', attribs)

if not (vals[groups['70']][0] & 3) and len(vals[groups['10']]) == 3 and len(vals[groups['20']]) == 3:

path = 'M %f,%f Q %f,%f %f,%f' % (vals[groups['10']][0], vals[groups['20']][0], vals[groups['10']][1], vals[groups['20']][1], vals[groups['10']][2], vals[groups['20']][2])

attribs = {'d': path, 'style': style}

inkex.etree.SubElement(layer, 'path', attribs)

def export_CIRCLE():

# mandatory group codes : (10, 20, 40) (x, y, radius)

if vals[groups['10']] and vals[groups['20']] and vals[groups['40']]:

generate_ellipse(vals[groups['10']][0], vals[groups['20']][0], scale*vals[groups['40']][0], 0.0, 1.0, 0.0, 0.0)

def export_ARC():

# mandatory group codes : (10, 20, 40, 50, 51) (x, y, radius, angle1, angle2)

if vals[groups['10']] and vals[groups['20']] and vals[groups['40']] and vals[groups['50']] and vals[groups['51']]:

generate_ellipse(vals[groups['10']][0], vals[groups['20']][0], scale*vals[groups['40']][0], 0.0, 1.0, vals[groups['50']][0]*math.pi/180.0, vals[groups['51']][0]*math.pi/180.0)

def export_ELLIPSE():

# mandatory group codes : (10, 11, 20, 21, 40, 41, 42) (xc, xm, yc, ym, width ratio, angle1, angle2)

if vals[groups['10']] and vals[groups['11']] and vals[groups['20']] and vals[groups['21']] and vals[groups['40']] and vals[groups['41']] and vals[groups['42']]:

generate_ellipse(vals[groups['10']][0], vals[groups['20']][0], scale*vals[groups['11']][0], scale*vals[groups['21']][0], vals[groups['40']][0], vals[groups['41']][0], vals[groups['42']][0])

def export_LEADER():

# mandatory group codes : (10, 20) (x, y)

if vals[groups['10']] and vals[groups['20']]:

if len(vals[groups['10']]) > 1 and len(vals[groups['20']]) == len(vals[groups['10']]):

path = 'M %f,%f' % (vals[groups['10']][0], vals[groups['20']][0])

for i in range (1, len(vals[groups['10']])):

path += ' %f,%f' % (vals[groups['10']][i], vals[groups['20']][i])

attribs = {'d': path, 'style': style}

inkex.etree.SubElement(layer, 'path', attribs)

def export_LWPOLYLINE():

# mandatory group codes : (10, 20, 70) (x, y, flags)

if vals[groups['10']] and vals[groups['20']] and vals[groups['70']]:

if len(vals[groups['10']]) > 1 and len(vals[groups['20']]) == len(vals[groups['10']]):

# optional group codes : (42) (bulge)

iseqs = 0

ibulge = 0

while seqs[iseqs] != '20':

iseqs += 1

path = 'M %f,%f' % (vals[groups['10']][0], vals[groups['20']][0])

xold = vals[groups['10']][0]

yold = vals[groups['20']][0]

for i in range (1, len(vals[groups['10']])):

bulge = 0

iseqs += 1

while seqs[iseqs] != '20':

if seqs[iseqs] == '42':

bulge = vals[groups['42']][ibulge]

ibulge += 1

iseqs += 1

if bulge:

sweep = 0 # sweep CCW

if bulge < 0:

sweep = 1 # sweep CW

bulge = -bulge

large = 0 # large-arc-flag

if bulge > 1:

large = 1

r = math.sqrt((vals[groups['10']][i] - xold)**2 + (vals[groups['20']][i] - yold)**2)

r = 0.25*r*(bulge + 1.0/bulge)

path += ' A %f,%f 0.0 %d %d %f,%f' % (r, r, large, sweep, vals[groups['10']][i], vals[groups['20']][i])

else:

path += ' L %f,%f' % (vals[groups['10']][i], vals[groups['20']][i])

xold = vals[groups['10']][i]

yold = vals[groups['20']][i]

if vals[groups['70']][0] == 1: # closed path

path += ' z'

attribs = {'d': path, 'style': style}

inkex.etree.SubElement(layer, 'path', attribs)

def export_HATCH():

# mandatory group codes : (10, 20, 72, 93) (x, y, Edge Type, Number of edges)

if vals[groups['10']] and vals[groups['20']] and vals[groups['72']] and vals[groups['93']]:

if len(vals[groups['10']]) > 1 and len(vals[groups['20']]) == len(vals[groups['10']]):

# optional group codes : (11, 21, 40, 50, 51, 73) (x, y, r, angle1, angle2, CCW)

i10 = 1 # count start points

i11 = 0 # count line end points

i40 = 0 # count circles

i72 = 0 # count edge type flags

path = ''

for i in range (0, len(vals[groups['93']])):

xc = vals[groups['10']][i10]

yc = vals[groups['20']][i10]

if vals[groups['72']][i72] == 2: # arc

rm = scale*vals[groups['40']][i40]

a1 = vals[groups['50']][i40]

path += 'M %f,%f ' % (xc + rm*math.cos(a1*math.pi/180.0), yc + rm*math.sin(a1*math.pi/180.0))

else:

a1 = 0

path += 'M %f,%f ' % (xc, yc)

for j in range(0, vals[groups['93']][i]):

if vals[groups['72']][i72] == 2: # arc

xc = vals[groups['10']][i10]

yc = vals[groups['20']][i10]

rm = scale*vals[groups['40']][i40]

a2 = vals[groups['51']][i40]

diff = (a2 - a1 + 360) % (360)

sweep = 1 - vals[groups['73']][i40] # sweep CCW

large = 0 # large-arc-flag

if diff:

path += 'A %f,%f 0.0 %d %d %f,%f ' % (rm, rm, large, sweep, xc + rm*math.cos(a2*math.pi/180.0), yc + rm*math.sin(a2*math.pi/180.0))

else:

path += 'A %f,%f 0.0 %d %d %f,%f ' % (rm, rm, large, sweep, xc + rm*math.cos((a1+180.0)*math.pi/180.0), yc + rm*math.sin((a1+180.0)*math.pi/180.0))

path += 'A %f,%f 0.0 %d %d %f,%f ' % (rm, rm, large, sweep, xc + rm*math.cos(a1*math.pi/180.0), yc + rm*math.sin(a1*math.pi/180.0))

i40 += 1

i72 += 1

elif vals[groups['72']][i72] == 1: # line

path += 'L %f,%f ' % (scale*(vals[groups['11']][i11] - xmin), -scale*(vals[groups['21']][i11] - ymax))

i11 += 1

i72 += 1

elif vals[groups['72']][i72] == 0: # polyline

if j > 0:

path += 'L %f,%f ' % (vals[groups['10']][i10], vals[groups['20']][i10])

if j == vals[groups['93']][i] - 1:

i72 += 1

i10 += 1

path += "z "

style = simplestyle.formatStyle({'fill': '%s' % color})

attribs = {'d': path, 'style': style}

inkex.etree.SubElement(layer, 'path', attribs)

def generate_ellipse(xc, yc, xm, ym, w, a1, a2):

rm = math.sqrt(xm*xm + ym*ym)

a = math.atan(ym/xm)

if xm < 0:

a += math.pi

diff = (a2 - a1 + 2*math.pi) % (2*math.pi)

if diff: # open arc

large = 0 # large-arc-flag

if diff > math.pi:

large = 1

xt = rm*math.cos(a1)

yt = w*rm*math.sin(a1)

x1 = xt*math.cos(a) - yt*math.sin(a)

y1 = xt*math.sin(a) + yt*math.cos(a)

xt = rm*math.cos(a2)

yt = w*rm*math.sin(a2)

x2 = xt*math.cos(a) - yt*math.sin(a)

y2 = xt*math.sin(a) + yt*math.cos(a)

path = 'M %f,%f A %f,%f %f %d 0 %f,%f' % (xc+x1, yc-y1, rm, w*rm, -180.0*a/math.pi, large, xc+x2, yc-y2)

else: # closed arc

path = 'M %f,%f A %f,%f %f 1 0 %f,%f %f,%f %f 1 0 %f,%f z' % (xc+xm, yc-ym, rm, w*rm, -180.0*a/math.pi, xc-xm, yc+ym, rm, w*rm, -180.0*a/math.pi, xc+xm, yc-ym)

attribs = {'d': path, 'style': style}

inkex.etree.SubElement(layer, 'path', attribs)

def get_line():

return (stream.readline().strip(), stream.readline().strip())

def get_group(group):

line = get_line()

if line[0] == group:

return float(line[1])

else:

return 0.0

entities = {'MTEXT': export_MTEXT, 'TEXT': export_MTEXT, 'POINT': export_POINT, 'LINE': export_LINE, 'SPLINE': export_SPLINE, 'CIRCLE': export_CIRCLE, 'ARC': export_ARC, 'ELLIPSE': export_ELLIPSE, 'LEADER': export_LEADER, 'LWPOLYLINE': export_LWPOLYLINE, 'HATCH': export_HATCH, 'ENDSEC': ''}

groups = {'1': 0, '8': 1, '10': 2, '11': 3, '20': 4, '21': 5, '40': 6, '41': 7, '42': 8, '50': 9, '51': 10, '62': 11, '70': 12, '72': 13, '73': 14, '93': 15, '370': 16}

colors = { 1: '#FF0000', 2: '#FFFF00', 3: '#00FF00', 4: '#00FFFF', 5: '#0000FF',

6: '#FF00FF', 8: '#414141', 9: '#808080', 30: '#FF7F00',

250: '#333333', 251: '#505050', 252: '#696969', 253: '#828282', 254: '#BEBEBE', 255: '#FFFFFF'}

doc = inkex.etree.parse(StringIO('<svg xmlns:sodipodi="http://sodipodi.sourceforge.net/DTD/sodipodi-0.dtd"></svg>'))

stream = open(inkex.sys.argv[1], 'r')

xmax = xmin = 0.0

ymax = 297.0 # default A4 height in mm

line = get_line()

flag = 0

layer_colors = {} # store colors by layer

layer_nodes = {} # store nodes by layer

while line[0] and line[1] != 'ENTITIES':

line = get_line()

if line[1] == '$EXTMIN':

xmin = get_group('10')

if line[1] == '$EXTMAX':

xmax = get_group('10')

ymax = get_group('20')

if flag and line[0] == '2':

name = line[1]

attribs = {inkex.addNS('groupmode','inkscape'): 'layer', inkex.addNS('label','inkscape'): '%s' % name}

layer_nodes[name] = inkex.etree.SubElement(doc.getroot(), 'g', attribs)

if line[0] == '2' and line[1] == 'LAYER':

flag = 1

if flag and line[0] == '62':

layer_colors[name] = int(line[1])

if line[0] == '0' and line[1] == 'ENDTAB':

flag = 0

scale = 90.0/25.4 # default convert from mm to pixels

if xmax > xmin:

scale *= 210.0/(xmax - xmin) # scale to A4 width

entity = ''

while line[0] and line[1] != 'ENDSEC':

line = get_line()

if entity and groups.has_key(line[0]):

seqs.append(line[0]) # list of group codes

if line[0] == '1' or line[0] == '8': # text value

val = line[1].replace('\~', ' ')

val = inkex.re.sub( '\\\\A.*;', '', val)

val = inkex.re.sub( '\\\\H.*;', '', val)

val = inkex.re.sub( '\\\\S.*;', '', val)

val = inkex.re.sub( '\\\\W.*;', '', val)

val = unicode(val, "iso-8859-1")

elif line[0] == '62' or line[0] == '70' or line[0] == '93':

val = int(line[1])

elif line[0] == '10': # scaled float x value

val = scale*(float(line[1]) - xmin)

elif line[0] == '20': # scaled float y value

val = - scale*(float(line[1]) - ymax)

else: # unscaled float value

val = float(line[1])

vals[groups[line[0]]].append(val)

elif entities.has_key(line[1]):

if entities.has_key(entity):

color = '#000000' # default color

if vals[groups['8']]: # Common Layer Name

layer = layer_nodes[vals[groups['8']][0]]

if layer_colors.has_key(vals[groups['8']][0]):

if colors.has_key(layer_colors[vals[groups['8']][0]]):

color = colors[layer_colors[vals[groups['8']][0]]]

if vals[groups['62']]: # Common Color Number

if colors.has_key(vals[groups['62']][0]):

color = colors[vals[groups['62']][0]]

style = simplestyle.formatStyle({'stroke': '%s' % color, 'fill': 'none'})

w = 0.5 # default lineweight for POINT

if vals[groups['370']]: # Common Lineweight

if vals[groups['370']][0] > 0:

w = 90.0/25.4*vals[groups['370']][0]/100.0

if w < 0.5:

w = 0.5

style = simplestyle.formatStyle({'stroke': '%s' % color, 'fill': 'none', 'stroke-width': '%.1f' % w})

entities[entity]()

entity = line[1]

vals = [[],[],[],[],[],[],[],[],[],[],[],[],[],[],[],[],[]]

seqs = []

doc.write(inkex.sys.stdout)