1128 lines
43 KiB
Python
1128 lines
43 KiB
Python
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#!/usr/bin/env python3
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"""
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Mainly written by Andras Prim github_at_primandras.hu
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Arc to bezier converting method is ported from:
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http://code.google.com/p/core-framework/source/browse/trunk/plugins/svg.js
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written by Angel Kostadinov, with MIT license
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"""
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from lxml import etree
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import re
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import math
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def wrap(text, width):
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""" A word-wrap function that preserves existing line breaks """
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retstr = ""
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for word in text.split(' '):
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if len(retstr)-retstr.rfind('\n')-1 + len(word.split('\n',1)[0]) >= width:
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retstr += ' \n' + word
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else:
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retstr += ' ' + word
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return retstr
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def css2dict(css):
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"""returns a dictionary representing the given css string"""
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cssdict = {}
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if None == css:
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return cssdict
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for pair in css.split(';'): #TODO: what about escaped separators
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if pair.find(':') >= 0:
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key, value = pair.split(':')
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cssdict[ key.strip() ] = value.strip()
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return cssdict
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def cssColor2Eps(cssColor, colors='RGB'):
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"""converts css color definition (a hexa code with leading #)
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to eps color definition"""
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r = float(int(cssColor[1:3],16)) / 255
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g = float(int(cssColor[3:5],16)) / 255
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b = float(int(cssColor[5:7],16)) / 255
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if colors == 'RGB':
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return "%f %f %f" % (r, g, b)
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elif colors == 'CMYKRGB':
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if (r == 0) and (g == 0) and (b == 0):
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c = 0
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m = 0
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y = 0
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k = 1
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else:
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c = 1 - r
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m = 1 - g
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y = 1 - b
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# extract out k [0,1]
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min_cmy = min(c, m, y)
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c = (c - min_cmy) / (1 - min_cmy)
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m = (m - min_cmy) / (1 - min_cmy)
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y = (y - min_cmy) / (1 - min_cmy)
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k = min_cmy
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return "%f %f %f %f %f %f %f" % (c, m, y, k, r, g, b)
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class svg2eps:
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def __init__(self, filename=None):
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self.filename = filename
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self.svg = None
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self.rePathDSplit = re.compile('[^a-zA-Z0-9.-]+')
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self.reTransformFind = re.compile('([a-z]+)\\(([^)]+)\\)')
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self.reNumberFind = re.compile('[0-9.eE+-]+')
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# must update reNumberUnitFind, if e is a valid character in a unit
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self.reNumberUnitFind = re.compile('([0-9.eE+-]+)([a-z]*)')
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# px to pt conversion rate varies based on inkscape versions, it is added during parsing
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self.toPt = {'in': 72.0, 'pt': 1.0, 'mm': 2.8346456695, 'cm': 28.346456695, 'm': 2834.6456695, 'pc': 12.0}
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def unitConv(self, string, toUnit):
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match = self.reNumberUnitFind.search(string)
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number = float(match.group(1))
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unit = match.group(2)
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if unit not in self.toPt:
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unit = 'uu'
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if unit == toUnit:
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return number
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else:
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return number * self.toPt[unit] / self.toPt[toUnit]
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def lengthConv(self, svgLength):
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"""converts svgLength to eps length using the current transformation matrix"""
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matrix = self.matrices[-1]
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epsx = matrix[0] * svgLength
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epsy = matrix[1] * svgLength
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return math.sqrt(epsx*epsx + epsy*epsy)
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def coordConv(self, svgx, svgy, relative=False):
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"""converts svgx, svgy coordinates to eps coordinates using the current transformation matrix"""
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if relative:
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svgx = float(svgx) + self.curPoint[0]
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svgy = float(svgy) + self.curPoint[1]
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else:
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svgx = float(svgx)
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svgy = float(svgy)
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matrix = self.matrices[-1]
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epsx = matrix[0] * svgx + matrix[2] * svgy + matrix[4]
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epsy = matrix[1] * svgx + matrix[3] * svgy + matrix[5]
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return (epsx, epsy)
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def matrixMul(self, matrix, matrix2):
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"""multiplies matrix with matrix2"""
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matrix0 = matrix[:]
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matrix[0] = matrix0[0] * matrix2[0] + matrix0[2]*matrix2[1] # + matrix0[4]*0
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matrix[1] = matrix0[1] * matrix2[0] + matrix0[3]*matrix2[1] # + matrix0[5]*0
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matrix[2] = matrix0[0] * matrix2[2] + matrix0[2]*matrix2[3] # + matrix0[4]*0
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matrix[3] = matrix0[1] * matrix2[2] + matrix0[3]*matrix2[3] # + matrix0[5]*0
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matrix[4] = matrix0[0] * matrix2[4] + matrix0[2]*matrix2[5] + matrix0[4]
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matrix[5] = matrix0[1] * matrix2[4] + matrix0[3]*matrix2[5] + matrix0[5]
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def alert(self, string, elem):
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"""adds an alert to the collection"""
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if not string in self.alerts:
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self.alerts[string] = set()
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elemId = elem.get('id')
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if elemId != None:
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self.alerts[string].add(elemId)
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def showAlerts(self):
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"""show alerts collected by the alert() function"""
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for string, ids in self.alerts.iteritems():
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idstring = ', '.join(ids)
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print(string, idstring)
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def elemSvg(self, elem):
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"""handles the <svg> element"""
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# DPI changed in inkscape 0.92, so set the px-to-pt rate based on inkscape version
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self.toPt['px'] = 0.75
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inkscapeVersionString = elem.get('{http://www.inkscape.org/namespaces/inkscape}version', '0.92.0')
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mobj = re.match(r'(\d+)\.(\d+)', inkscapeVersionString)
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if mobj != None:
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major = int(mobj.group(1))
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minor = int(mobj.group(2))
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if major == 0 and minor < 92:
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self.toPt['px'] = 0.8
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# by default (without viewbox definition) user unit = pixel
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self.toPt['uu'] = self.toPt['px']
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self.docWidth = self.unitConv(elem.get('width'), 'pt')
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self.docHeight = self.unitConv(elem.get('height'), 'pt')
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viewBoxString = elem.get('viewBox')
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if viewBoxString != None:
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viewBox = viewBoxString.split(' ')
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# theoretically width and height scaling factor could be different,
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# but this script does not support it
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widthUu = float(viewBox[2]) - float(viewBox[0])
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self.toPt['uu'] = self.docWidth / widthUu
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# transform svg units to eps default pt
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scale = self.toPt['uu']
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self.matrices = [ [scale, 0, 0, -scale, 0, self.docHeight] ]
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def gradientFill(self, elem, gradientId):
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"""constructs a gradient instance definition in self.gradientOp"""
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if gradientId not in self.gradients:
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self.alert("fill gradient not defined: "+gradientId, elem )
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return
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gradient = self.gradients[gradientId]
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transformGradient = gradient
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while 'href' in gradient:
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gradientId = gradient['href']
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gradient = self.gradients[gradientId]
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if 'matrix' in transformGradient:
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self.matrices.append( self.matrices[-1][:] )
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self.matrixMul(self.matrices[-1],transformGradient['matrix'])
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if 'linear' == transformGradient['type']:
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gradient['linUseCount'] += 1
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x1, y1 = self.coordConv(transformGradient['x1'], transformGradient['y1'])
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x2, y2 = self.coordConv(transformGradient['x2'], transformGradient['y2'])
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deltax = x2 - x1
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deltay = y2 - y1
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length = math.sqrt( deltax*deltax + deltay*deltay )
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angle = math.atan2(deltay, deltax)*180/math.pi
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elif 'radial' == transformGradient['type']:
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gradient['radUseCount'] += 1
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cx, cy = self.coordConv(transformGradient['cx'], transformGradient['cy'])
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# fx, fy = self.coordConv(transformGradient['fx'], transformGradient['fy'])
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rx, ry = self.coordConv(transformGradient['cx'] + transformGradient['r'], transformGradient['cy'])
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r = math.sqrt( (rx-cx)*(rx-cx) + (ry-cy)*(ry-cy))
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if 'matrix' in transformGradient:
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self.matrices.pop()
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if 'linear' == transformGradient['type']:
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#endPathSegment() will substitute appropriate closeOp in %%s
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self.gradientOp = "\nBb 1 (l_%s) %f %f %f %f 1 0 0 1 0 0 Bg %%s 0 BB" % \
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(gradientId, x1, y1, angle, length)
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elif 'radial' == transformGradient['type']:
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self.gradientOp = "\nBb 1 (r_%s) %f %f 0 %f 1 0 0 1 0 0 Bg %%s 0 BB" % \
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(gradientId, cx, cy, r)
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self.alert("radial gradients will appear circle shaped", elem)
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def pathStyle(self, elem):
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"""handles the style attribute in svg element"""
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if self.clipPath:
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self.closeOp = 'h n'
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return
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css = self.cssStack[-1]
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if 'stroke' in css and css['stroke'] != 'none':
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self.closeOp = 's'
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self.pathCloseOp = 's'
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if '#' == css['stroke'][0]:
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self.epspath += ' ' + cssColor2Eps(css['stroke']) + ' XA'
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elif 'url' == css['stroke'][0:3]:
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self.alert("gradient strokes not supported", elem)
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if 'fill' in css and css['fill'] != 'none':
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if self.closeOp == 's':
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self.closeOp = 'b'
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else:
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self.closeOp = 'f'
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if '#' == css['fill'][0]:
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self.epspath += ' ' + cssColor2Eps(css['fill']) + ' Xa'
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elif 'url' == css['fill'][0:3]:
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self.gradientFill(elem, css['fill'][5:-1])
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if 'fill-rule' in css:
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if css['fill-rule'] == 'evenodd':
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self.epspath += " 1 XR"
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else:
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self.epspath += " 0 XR"
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if 'stroke-width' in css:
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self.epspath += " %f w" % (self.lengthConv(self.unitConv(css['stroke-width'], 'uu')), )
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if 'stroke-linecap' in css:
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if css['stroke-linecap'] == 'butt':
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self.epspath += " 0 J"
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elif css['stroke-linecap'] == 'round':
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self.epspath += " 1 J"
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elif css['stroke-linecap'] == 'square':
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self.epspath += " 2 J"
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if 'stroke-linejoin' in css:
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if css['stroke-linejoin'] == 'miter':
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self.epspath += " 0 j"
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elif css['stroke-linejoin'] == 'round':
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self.epspath += " 1 j"
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elif css['stroke-linejoin'] == 'bevel':
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self.epspath += " 2 j"
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if 'stroke-miterlimit' in css:
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self.epspath += " " + css['stroke-miterlimit'] + " M"
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if 'stroke-dasharray' in css:
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phase = 0
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if css['stroke-dasharray'] == 'none':
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dashArray = []
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else:
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dashArray = list(map(lambda x: "%f" % (self.lengthConv(float(x)),), css['stroke-dasharray'].split(',')))
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if 'stroke-dashoffset' in css:
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phase = float(css['stroke-dashoffset'])
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self.epspath += ' [ %s ] %f d' % (' '.join(dashArray), phase)
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def endPathSegment(self, elem):
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"""should be called when a path segment end is reached in a <path> element"""
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if self.removeStrayPoints and self.segmentCommands <= 1:
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self.alert("removing stray point", elem)
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self.epspath = self.epspath[:self.segmentStartIndex]
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return
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if self.autoClose and (self.closeOp == 'f' or self.closeOp == 'b'):
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autoClose = True
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else:
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autoClose = False
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if self.pathExplicitClose or autoClose:
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closeOp = self.closeOp
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else:
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closeOp = self.closeOp.upper()
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if self.pathCurSegment == self.pathSegmentNum and self.gradientOp != None:
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closeOp = self.gradientOp % (closeOp,)
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if self.lastBegin != None:
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if (self.pathExplicitClose or autoClose):
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if abs(self.curPoint[0] - self.lastBegin[0]) + \
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abs(self.curPoint[1] - self.lastBegin[1]) > self.closeDist:
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x, y = self.coordConv(self.lastBegin[0], self.lastBegin[1])
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self.epspath += ' %f %f l' % (x, y)
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self.epspath += ' ' + closeOp + '\n'
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if self.pathExplicitClose:
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self.curPoint = self.lastBegin
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self.lastBegin = None
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def elemPath(self, elem, pathData=None):
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"""handles <path> svg element"""
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if None == pathData:
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pathData = elem.get('d')
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self.pathSegmentNum = pathData.count("m") + pathData.count("M")
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self.pathCurSegment = 0
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self.epspath = ''
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self.segmentStartIndex = 0 # index in self.epspath of first character of current path segment
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self.segmentCommands = 0 # number of handled commands (including first moveto) in current paths segment
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self.closeOp = 'n' # pathStyle(elem) will modify this
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self.gradientOp = None
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self.pathExplicitClose = False
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self.epspath += '\n%AI3_Note: ' + elem.get('id') + '\n'
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self.pathStyle(elem)
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tokens = self.rePathDSplit.split(pathData)
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i = 0
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cmd = '' # path command
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self.curPoint = (0,0)
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self.lastBegin = None
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while i < len(tokens):
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token = tokens[i]
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if token in ['m', 'M', 'c', 'C', 'l', 'L', 'z', 'Z', 'a', 'A', 'q', 'Q', 'h', 'H', 'v', 'V']:
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cmd = token
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i += 1
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elif token.isalpha():
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self.alert('unhandled path command: %s' % (token,), elem)
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cmd = ''
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i += 1
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else: # coordinates after a moveto are assumed to be lineto
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if 'm' == cmd:
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cmd = 'l'
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elif 'M' == cmd:
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cmd = 'L'
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||
|
|
|
||
|
|
if ('M' == cmd or 'm' == cmd) :
|
||
|
|
if self.pathCurSegment > 0:
|
||
|
|
self.endPathSegment(elem)
|
||
|
|
self.pathCurSegment += 1
|
||
|
|
self.pathExplicitClose = False
|
||
|
|
|
||
|
|
if 'M' == cmd or 'm' == cmd:
|
||
|
|
if 'M' == cmd or ('m' == cmd and i == 1):
|
||
|
|
self.curPoint = (float(tokens[i]), float(tokens[i+1]))
|
||
|
|
else:
|
||
|
|
self.curPoint = (self.curPoint[0] + float(tokens[i]), self.curPoint[1] + float(tokens[i+1]))
|
||
|
|
|
||
|
|
self.segmentStartIndex = len(self.epspath)
|
||
|
|
x, y = self.coordConv(self.curPoint[0], self.curPoint[1])
|
||
|
|
self.epspath += ' %f %f' % (x, y)
|
||
|
|
i += 2
|
||
|
|
self.lastBegin = self.curPoint
|
||
|
|
self.epspath += ' m'
|
||
|
|
self.segmentCommands = 1
|
||
|
|
elif 'L' == cmd or 'l' == cmd:
|
||
|
|
if 'L' == cmd:
|
||
|
|
self.curPoint = (float(tokens[i]), float(tokens[i+1]))
|
||
|
|
else:
|
||
|
|
self.curPoint = (self.curPoint[0] + float(tokens[i]), self.curPoint[1] + float(tokens[i+1]))
|
||
|
|
x, y = self.coordConv(self.curPoint[0], self.curPoint[1])
|
||
|
|
self.epspath += ' %f %f' % (x, y)
|
||
|
|
i += 2
|
||
|
|
self.epspath += ' l'
|
||
|
|
self.segmentCommands += 1
|
||
|
|
elif cmd in ['H', 'h', 'V', 'v']:
|
||
|
|
if 'H' == cmd:
|
||
|
|
self.curPoint = (float(tokens[i]), self.curPoint[1])
|
||
|
|
elif 'h' == cmd:
|
||
|
|
self.curPoint = (self.curPoint[0] + float(tokens[i]), self.curPoint[1])
|
||
|
|
elif 'V' == cmd:
|
||
|
|
self.curPoint = (self.curPoint[0], float(tokens[i]))
|
||
|
|
elif 'v' == cmd:
|
||
|
|
self.curPoint = (self.curPoint[0], self.curPoint[1] + float(tokens[i]))
|
||
|
|
x, y = self.coordConv(self.curPoint[0], self.curPoint[1])
|
||
|
|
self.epspath += ' %f %f' % (x, y)
|
||
|
|
i += 1
|
||
|
|
self.epspath += ' l'
|
||
|
|
self.segmentCommands += 1
|
||
|
|
elif 'C' == cmd:
|
||
|
|
for j in range(2):
|
||
|
|
x, y = self.coordConv(tokens[i], tokens[i+1])
|
||
|
|
self.epspath += ' %f %f' % (x, y)
|
||
|
|
i += 2
|
||
|
|
self.curPoint = (float(tokens[i]), float(tokens[i+1]))
|
||
|
|
x, y = self.coordConv(self.curPoint[0], self.curPoint[1])
|
||
|
|
self.epspath += ' %f %f' % (x, y)
|
||
|
|
i += 2
|
||
|
|
self.epspath += ' c'
|
||
|
|
self.segmentCommands += 1
|
||
|
|
elif 'c' == cmd:
|
||
|
|
for j in range(2):
|
||
|
|
x, y = self.coordConv(self.curPoint[0] + float(tokens[i]), self.curPoint[1] +float(tokens[i+1]))
|
||
|
|
self.epspath += ' %f %f' % (x, y)
|
||
|
|
i += 2
|
||
|
|
self.curPoint = (self.curPoint[0] + float(tokens[i]), self.curPoint[1] + float(tokens[i+1]))
|
||
|
|
x, y = self.coordConv(self.curPoint[0], self.curPoint[1])
|
||
|
|
self.epspath += ' %f %f' % (x, y)
|
||
|
|
i += 2
|
||
|
|
self.epspath += ' c'
|
||
|
|
self.segmentCommands += 1
|
||
|
|
elif 'Q' == cmd:
|
||
|
|
#export quadratic Bezier as cubic
|
||
|
|
x, y = self.coordConv(tokens[i], tokens[i+1])
|
||
|
|
self.epspath += ' %f %f %f %f' % (x, y, x, y)
|
||
|
|
i += 2
|
||
|
|
self.curPoint = (float(tokens[i]), float(tokens[i+1]))
|
||
|
|
x, y = self.coordConv(self.curPoint[0], self.curPoint[1])
|
||
|
|
self.epspath += ' %f %f' % (x, y)
|
||
|
|
i += 2
|
||
|
|
self.epspath += ' c'
|
||
|
|
self.segmentCommands += 1
|
||
|
|
elif 'q' == cmd:
|
||
|
|
x, y = self.coordConv(self.curPoint[0] + float(tokens[i]), self.curPoint[1] +float(tokens[i+1]))
|
||
|
|
self.epspath += ' %f %f %f %f' % (x, y, x, y)
|
||
|
|
i += 2
|
||
|
|
self.curPoint = (self.curPoint[0] + float(tokens[i]), self.curPoint[1] + float(tokens[i+1]))
|
||
|
|
x, y = self.coordConv(self.curPoint[0], self.curPoint[1])
|
||
|
|
self.epspath += ' %f %f' % (x, y)
|
||
|
|
i += 2
|
||
|
|
self.epspath += ' c'
|
||
|
|
self.segmentCommands += 1
|
||
|
|
elif 'A' == cmd or 'a' == cmd:
|
||
|
|
self.alert("elliptic arcs are converted to bezier curves", elem)
|
||
|
|
|
||
|
|
# Angel Kostadinov begin
|
||
|
|
r1 = abs(float(tokens[i]))
|
||
|
|
r2 = abs(float(tokens[i+1]))
|
||
|
|
psai = float(tokens[i+2])
|
||
|
|
largeArcFlag = int(tokens[i + 3])
|
||
|
|
fS = int(tokens[i+4])
|
||
|
|
rx = self.curPoint[0]
|
||
|
|
ry = self.curPoint[1]
|
||
|
|
if 'A' == cmd:
|
||
|
|
cx, cy = (float(tokens[i+5]), float(tokens[i+6]))
|
||
|
|
else:
|
||
|
|
cx, cy = (self.curPoint[0] +float(tokens[i+5]), self.curPoint[1] +float(tokens[i+6]))
|
||
|
|
|
||
|
|
if r1 > 0 and r2 > 0:
|
||
|
|
ctx = (rx - cx) / 2
|
||
|
|
cty = (ry - cy) / 2
|
||
|
|
cpsi = math.cos(psai*math.pi/180)
|
||
|
|
spsi = math.sin(psai*math.pi/180)
|
||
|
|
rxd = cpsi*ctx + spsi*cty
|
||
|
|
ryd = -1*spsi*ctx + cpsi*cty
|
||
|
|
rxdd = rxd * rxd
|
||
|
|
rydd = ryd * ryd
|
||
|
|
r1x = r1 * r1
|
||
|
|
r2y = r2 * r2
|
||
|
|
lamda = rxdd/r1x + rydd/r2y
|
||
|
|
|
||
|
|
if lamda > 1:
|
||
|
|
r1 = math.sqrt(lamda) * r1
|
||
|
|
r2 = math.sqrt(lamda) * r2
|
||
|
|
sds = 0
|
||
|
|
else:
|
||
|
|
seif = 1
|
||
|
|
if largeArcFlag == fS:
|
||
|
|
seif = -1
|
||
|
|
sds = seif * math.sqrt((r1x*r2y - r1x*rydd - r2y*rxdd) / (r1x*rydd + r2y*rxdd))
|
||
|
|
|
||
|
|
txd = sds*r1*ryd / r2
|
||
|
|
tyd = -1 * sds*r2*rxd / r1
|
||
|
|
tx = cpsi*txd - spsi*tyd + (rx+cx)/2
|
||
|
|
ty = spsi*txd + cpsi*tyd + (ry+cy)/2
|
||
|
|
rad = math.atan2((ryd-tyd)/r2, (rxd-txd)/r1) - math.atan2(0, 1)
|
||
|
|
if rad >= 0:
|
||
|
|
s1 = rad
|
||
|
|
else:
|
||
|
|
s1 = 2 * math.pi + rad
|
||
|
|
rad = math.atan2((-ryd-tyd)/r2, (-rxd-txd)/r1) - math.atan2((ryd-tyd)/r2, (rxd-txd)/r1)
|
||
|
|
if rad >= 0:
|
||
|
|
dr = rad
|
||
|
|
else:
|
||
|
|
dr = 2 * math.pi + rad
|
||
|
|
|
||
|
|
if fS==0 and dr > 0:
|
||
|
|
dr -= 2*math.pi
|
||
|
|
elif fS==1 and dr < 0:
|
||
|
|
dr += 2*math.pi
|
||
|
|
|
||
|
|
sse = dr * 2 / math.pi
|
||
|
|
if sse < 0:
|
||
|
|
seg = math.ceil(-1*sse)
|
||
|
|
else:
|
||
|
|
seg = math.ceil(sse)
|
||
|
|
segr = dr / seg
|
||
|
|
t = 8.0/3.0 * math.sin(segr/4) * math.sin(segr/4) / math.sin(segr/2)
|
||
|
|
cpsir1 = cpsi * r1
|
||
|
|
cpsir2 = cpsi * r2
|
||
|
|
spsir1 = spsi * r1
|
||
|
|
spsir2 = spsi * r2
|
||
|
|
mc = math.cos(s1)
|
||
|
|
ms = math.sin(s1)
|
||
|
|
x2 = rx - t * (cpsir1*ms + spsir2*mc)
|
||
|
|
y2 = ry - t * (spsir1*ms - cpsir2*mc)
|
||
|
|
|
||
|
|
for n in range(int(math.ceil(seg))):
|
||
|
|
s1 += segr
|
||
|
|
mc = math.cos(s1)
|
||
|
|
ms = math.sin(s1)
|
||
|
|
|
||
|
|
x3 = cpsir1*mc - spsir2*ms + tx
|
||
|
|
y3 = spsir1*mc + cpsir2*ms + ty
|
||
|
|
dx = -t * (cpsir1*ms + spsir2*mc)
|
||
|
|
dy = -t * (spsir1*ms - cpsir2*mc)
|
||
|
|
|
||
|
|
cx1, cy1 = self.coordConv(x2,y2)
|
||
|
|
cx2, cy2 = self.coordConv(x3-dx,y3-dy)
|
||
|
|
cx3, cy3 = self.coordConv(x3,y3)
|
||
|
|
|
||
|
|
self.epspath += " %f %f %f %f %f %f c" % (cx1, cy1, cx2, cy2, cx3, cy3)
|
||
|
|
|
||
|
|
x2 = x3 + dx
|
||
|
|
y2 = y3 + dy
|
||
|
|
else:
|
||
|
|
# case when one radius is zero: this is a simple line
|
||
|
|
x, y = self.coordConv(cx, cy)
|
||
|
|
self.epspath += ' %f %f l' % (x, y)
|
||
|
|
|
||
|
|
# Angel Kostadinov end
|
||
|
|
self.segmentCommands += 1
|
||
|
|
i += 7
|
||
|
|
self.curPoint= (cx, cy)
|
||
|
|
|
||
|
|
elif 'z' == cmd or 'Z' == cmd:
|
||
|
|
self.pathExplicitClose = True
|
||
|
|
cmd = ''
|
||
|
|
else:
|
||
|
|
i += 1
|
||
|
|
|
||
|
|
self.endPathSegment(elem)
|
||
|
|
|
||
|
|
if self.pathSegmentNum > 1:
|
||
|
|
self.epspath = " *u\n" + self.epspath + "\n*U "
|
||
|
|
self.epsLayers += "\n" + wrap(self.epspath, 70) + "\n"
|
||
|
|
|
||
|
|
def elemRect(self, elem):
|
||
|
|
x = float(elem.get('x'))
|
||
|
|
y = float(elem.get('y'))
|
||
|
|
width = float(elem.get('width'))
|
||
|
|
height = float(elem.get('height'))
|
||
|
|
|
||
|
|
# construct an svg <path> d attribute, and call self.elemPath()
|
||
|
|
pathData = ""
|
||
|
|
rx = elem.get('rx')
|
||
|
|
ry = elem.get('ry')
|
||
|
|
if None == rx and None == ry:
|
||
|
|
rx = 0
|
||
|
|
ry = 0
|
||
|
|
else:
|
||
|
|
# if only one radius is given, it means both are the same
|
||
|
|
if None == rx:
|
||
|
|
rx = float(ry)
|
||
|
|
else:
|
||
|
|
rx = float(rx)
|
||
|
|
if None == ry:
|
||
|
|
ry = float(rx)
|
||
|
|
else:
|
||
|
|
ry = float(ry)
|
||
|
|
|
||
|
|
if rx == 0 and ry == 0:
|
||
|
|
pathData = "M %f %f %f %f %f %f %f %f z" % (x,y, x+width,y, x+width, y+height, x, y+height)
|
||
|
|
else:
|
||
|
|
pathData = "M %f %f A %f %f 0 0 1 %f %f" % (x, y+ry, rx,ry, x+rx, y)
|
||
|
|
pathData += " L %f %f A %f %f 0 0 1 %f %f" % (x+width-rx, y, rx,ry, x+width, y+ry)
|
||
|
|
pathData += " L %f %f A %f %f 0 0 1 %f %f" % (x+width, y+height-ry, rx,ry, x+width-rx, y+height)
|
||
|
|
pathData += " L %f %f A %f %f 0 0 1 %f %f z" % (x+rx, y+height, rx,ry, x, y+height-ry)
|
||
|
|
self.elemPath(elem, pathData)
|
||
|
|
|
||
|
|
def elemCircle(self, elem):
|
||
|
|
r = float(elem.get('r'))
|
||
|
|
self.elemEllipseCircleCommon(elem, r, r)
|
||
|
|
|
||
|
|
def elemEllipse(self, elem):
|
||
|
|
rx = float(elem.get('rx'))
|
||
|
|
ry = float(elem.get('ry'))
|
||
|
|
self.elemEllipseCircleCommon(elem, rx, ry)
|
||
|
|
|
||
|
|
def elemEllipseCircleCommon(self, elem, rx, ry):
|
||
|
|
cx = float(elem.get('cx'))
|
||
|
|
cy = float(elem.get('cy'))
|
||
|
|
# todo: test whether PostScript arc is handled by AI and use that instead
|
||
|
|
magic = 0.55228475 # I've read it on the internet
|
||
|
|
controlx = rx * magic # x distance of control points from center
|
||
|
|
controly = ry * magic # y distance of control points from center
|
||
|
|
|
||
|
|
# construct an svg <path> d attribute, and call self.elemPath()
|
||
|
|
pathData = "M %f %f" % (cx - rx, cy) # leftmost point
|
||
|
|
pathData += " C %f %f %f %f %f %f" % (cx - rx, cy - controly, cx - controlx, cy - ry, cx, cy - ry) # to top
|
||
|
|
pathData += " C %f %f %f %f %f %f" % (cx + controlx, cy - ry, cx + rx, cy - controly, cx + rx, cy) # to right
|
||
|
|
pathData += " C %f %f %f %f %f %f" % (cx + rx, cy + controly, cx + controlx, cy + ry, cx, cy + ry) # to bottom
|
||
|
|
pathData += " C %f %f %f %f %f %f z" % (cx - controlx, cy + ry, cx - rx, cy + controly, cx - rx, cy) # back to left and close
|
||
|
|
self.elemPath(elem, pathData)
|
||
|
|
|
||
|
|
|
||
|
|
def attrTransform(self, matrix, transform):
|
||
|
|
"""transforms matrix using svg transform attribute"""
|
||
|
|
for ttype, targs in self.reTransformFind.findall(transform):
|
||
|
|
targs = list(map(lambda x: float(x), self.reNumberFind.findall(targs)))
|
||
|
|
if ttype == 'matrix':
|
||
|
|
newmatrix = [ targs[0], targs[1],
|
||
|
|
targs[2], targs[3],
|
||
|
|
targs[4], targs[5] ]
|
||
|
|
self.matrixMul(matrix, newmatrix)
|
||
|
|
elif ttype == 'translate':
|
||
|
|
tx = targs[0]
|
||
|
|
ty = targs[1] if len(targs) > 1 else 0
|
||
|
|
newmatrix = [ 1, 0, 0, 1, tx, ty ]
|
||
|
|
self.matrixMul(matrix, newmatrix)
|
||
|
|
elif ttype == 'scale':
|
||
|
|
sx = targs[0]
|
||
|
|
sy = targs[1] if len(targs) > 1 else sx
|
||
|
|
newmatrix = [ sx, 0, 0, sy, 0, 0 ]
|
||
|
|
self.matrixMul(matrix, newmatrix)
|
||
|
|
elif ttype == 'rotate':
|
||
|
|
if len(targs) == 1:
|
||
|
|
alpha = targs[0]
|
||
|
|
newmatrix = [ math.cos(alpha), math.sin(alpha),
|
||
|
|
-math.sin(alpha), math.cos(alpha),
|
||
|
|
0, 0]
|
||
|
|
self.matrixMul(matrix, newmatrix)
|
||
|
|
else:
|
||
|
|
alpha = targs[0]
|
||
|
|
newmatrix = [ 1, 0, 0, 1, targs[1], targs[2] ]
|
||
|
|
self.matrixMul(matrix, newmatrix)
|
||
|
|
newmatrix = [ math.cos(alpha), math.sin(alpha),
|
||
|
|
-math.sin(alpha), math.cos(alpha),
|
||
|
|
0, 0]
|
||
|
|
self.matrixMul(matrix, newmatrix)
|
||
|
|
newmatrix = [ 1, 0, 0, 1, -targs[1], -targs[2] ]
|
||
|
|
self.matrixMul(matrix, newmatrix)
|
||
|
|
elif ttype == 'skewX' or ttype == 'skewY':
|
||
|
|
self.alert("skewX and skewY transformations are not supported", elem)
|
||
|
|
else:
|
||
|
|
print('unknown transform type: ', ttype)
|
||
|
|
return matrix
|
||
|
|
|
||
|
|
def elemGradient(self, elem, grType):
|
||
|
|
"""handles <linearGradient> and <radialGradient> svg elements"""
|
||
|
|
elemId = elem.get('id')
|
||
|
|
if elemId != None:
|
||
|
|
self.curGradientId = elemId
|
||
|
|
self.gradients[elemId] = {'stops': [], 'linUseCount': 0, 'radUseCount': 0, 'type': grType}
|
||
|
|
if 'linear' == grType:
|
||
|
|
x1 = elem.get('x1')
|
||
|
|
if None != x1:
|
||
|
|
self.gradients[elemId]['x1'] = float(x1)
|
||
|
|
self.gradients[elemId]['y1'] = float(elem.get('y1'))
|
||
|
|
self.gradients[elemId]['x2'] = float(elem.get('x2'))
|
||
|
|
self.gradients[elemId]['y2'] = float(elem.get('y2'))
|
||
|
|
elif 'radial' == grType:
|
||
|
|
cx = elem.get('cx')
|
||
|
|
if None != cx:
|
||
|
|
self.gradients[elemId]['cx'] = float(cx)
|
||
|
|
self.gradients[elemId]['cy'] = float(elem.get('cy'))
|
||
|
|
self.gradients[elemId]['fx'] = float(elem.get('fx'))
|
||
|
|
self.gradients[elemId]['fy'] = float(elem.get('fy'))
|
||
|
|
self.gradients[elemId]['r'] = float(elem.get('r'))
|
||
|
|
|
||
|
|
transform = elem.get('gradientTransform')
|
||
|
|
if None != transform:
|
||
|
|
self.gradients[elemId]['matrix'] = self.attrTransform([1, 0, 0, 1, 0, 0], transform)
|
||
|
|
|
||
|
|
href = elem.get('{http://www.w3.org/1999/xlink}href')
|
||
|
|
if None != href:
|
||
|
|
self.gradients[elemId]['href'] = href[1:]
|
||
|
|
|
||
|
|
|
||
|
|
def elemStop(self, elem):
|
||
|
|
"""handles <stop> (gradient stop) svg element"""
|
||
|
|
style = css2dict(elem.get('style'))
|
||
|
|
color = cssColor2Eps(style['stop-color'], 'CMYKRGB')
|
||
|
|
offset = float(elem.get('offset')) * 100
|
||
|
|
self.gradients[self.curGradientId]['stops'].append( (offset, color) )
|
||
|
|
|
||
|
|
def gradientSetup(self):
|
||
|
|
"""writes used gradient definitions into self.epsSetup"""
|
||
|
|
gradientNum = 0
|
||
|
|
epsGradients = ""
|
||
|
|
for gradientId, gradient in self.gradients.items():
|
||
|
|
|
||
|
|
if gradient['linUseCount'] > 0:
|
||
|
|
gradientNum += 1
|
||
|
|
epsGradients += ("\n%%AI5_BeginGradient: (l_%s)" + \
|
||
|
|
"\n(l_%s) 0 %d Bd\n[\n") % \
|
||
|
|
(gradientId, gradientId, len(gradient['stops']))
|
||
|
|
gradient['stops'].sort(key=lambda x: x[0], reverse=True)
|
||
|
|
|
||
|
|
for offset, color in gradient['stops']:
|
||
|
|
epsGradients += "%s 2 50 %f %%_Bs\n" % (color, offset)
|
||
|
|
epsGradients += "BD\n%AI5_EndGradient\n"
|
||
|
|
|
||
|
|
if gradient['radUseCount'] > 0:
|
||
|
|
gradientNum += 1
|
||
|
|
epsGradients += ("\n%%AI5_BeginGradient: (r_%s)" + \
|
||
|
|
"\n(r_%s) 1 %d Bd\n[\n") % \
|
||
|
|
(gradientId, gradientId, len(gradient['stops']))
|
||
|
|
gradient['stops'].sort(key=lambda x: x[0])
|
||
|
|
|
||
|
|
for offset, color in gradient['stops']:
|
||
|
|
epsGradients += "%s 2 50 %f %%_Bs\n" % (color, offset)
|
||
|
|
epsGradients += "BD\n%AI5_EndGradient\n"
|
||
|
|
|
||
|
|
if gradientNum > 0:
|
||
|
|
self.epsSetup += ("\n%d Bn\n" % gradientNum) + epsGradients
|
||
|
|
|
||
|
|
|
||
|
|
def layerStart(self, elem):
|
||
|
|
self.epsLayers += '\n\n%AI5_BeginLayer\n'
|
||
|
|
layerName = elem.get('{http://www.inkscape.org/namespaces/inkscape}label')
|
||
|
|
layerName = "".join(map(lambda x: '_' if ord(x)<32 or ord(x) > 127 else x, layerName))
|
||
|
|
self.epsLayers += '1 1 1 1 0 0 %d 0 0 0 Lb\n(%s) Ln\n' % \
|
||
|
|
(self.layerColor, layerName)
|
||
|
|
self.layerColor = (self.layerColor + 1) % 27
|
||
|
|
|
||
|
|
def elemUse(self, elem):
|
||
|
|
"""handles a <use> svg element"""
|
||
|
|
x = self.unitConv(elem.get('x'), 'uu')
|
||
|
|
if x == None:
|
||
|
|
x = 0
|
||
|
|
y = self.unitConv(elem.get('y'), 'uu')
|
||
|
|
if y == None:
|
||
|
|
y = 0
|
||
|
|
|
||
|
|
if x != 0 or y != 0:
|
||
|
|
self.matrices.append( self.matrices[-1][:] )
|
||
|
|
self.attrTransform(self.matrices[-1], "translate(%f %f)" % (x, y))
|
||
|
|
|
||
|
|
href = elem.get('{http://www.w3.org/1999/xlink}href')
|
||
|
|
usedElem = self.root.find(".//*[@id='%s']" % (href[1:],))
|
||
|
|
if usedElem != None:
|
||
|
|
self.walkElem(usedElem)
|
||
|
|
else:
|
||
|
|
self.alert("used Elem not found: " + href, elem)
|
||
|
|
|
||
|
|
if x != 0 or y != 0:
|
||
|
|
self.matrices.pop()
|
||
|
|
|
||
|
|
# def elemNamedView(self, elem):
|
||
|
|
# """handles a <sodipodi:namedview> svg element"""
|
||
|
|
# newDocumentUnit = elem.get('{http://www.inkscape.org/namespaces/inkscape}document-units')
|
||
|
|
# if newDocumentUnit in self.toPt and newDocumentUnit != self.documentUnit:
|
||
|
|
# if len(self.matrices) > 0:
|
||
|
|
# # recalculate scaling transformation to new document unit
|
||
|
|
# scale = self.toPt[newDocumentUnit] / self.toPt[self.documentUnit]
|
||
|
|
# self.matrices[-1][0] = scale * self.matrices[-1][0]
|
||
|
|
# self.matrices[-1][3] = scale * self.matrices[-1][3]
|
||
|
|
# self.documentUnit = newDocumentUnit
|
||
|
|
|
||
|
|
def walkElem(self, elem):
|
||
|
|
if '}' in elem.tag:
|
||
|
|
uri, shortTag = elem.tag.split('}')
|
||
|
|
else:
|
||
|
|
shortTag = elem.tag
|
||
|
|
uri = ''
|
||
|
|
|
||
|
|
transform = elem.get('transform')
|
||
|
|
clipPath = elem.get('clip-path')
|
||
|
|
cssNew = css2dict(elem.get('style'))
|
||
|
|
css = self.cssStack[-1].copy()
|
||
|
|
css.update(cssNew)
|
||
|
|
self.cssStack.append(css)
|
||
|
|
if self.removeInvisible:
|
||
|
|
if 'visibility' in css and (css['visibility'] == 'hidden' or css['visibility'] == 'collapse'):
|
||
|
|
return
|
||
|
|
if 'display' in css and css['display'] == 'none':
|
||
|
|
return
|
||
|
|
if shortTag in ('path', 'rect', 'circle', 'ellipse'):
|
||
|
|
if 'opacity' in css and css['opacity'] == '0':
|
||
|
|
return
|
||
|
|
stroke = False
|
||
|
|
if 'stroke' in css and 'none' != css['stroke']:
|
||
|
|
stroke = True
|
||
|
|
if 'stroke-opacity' in css and css['stroke-opacity'] == '0':
|
||
|
|
stroke = False
|
||
|
|
if 'stroke-width' in css and css['stroke-width'] == '0':
|
||
|
|
stroke = False
|
||
|
|
fill = False
|
||
|
|
if 'fill' in css and 'none' != css['fill']:
|
||
|
|
fill = True
|
||
|
|
if 'fill-opacity' in css and css['fill-opacity'] == '0':
|
||
|
|
stroke = False
|
||
|
|
if stroke == False and fill == False:
|
||
|
|
return
|
||
|
|
|
||
|
|
|
||
|
|
if transform != None:
|
||
|
|
self.matrices.append( self.matrices[-1][:] )
|
||
|
|
self.attrTransform(self.matrices[-1], transform)
|
||
|
|
|
||
|
|
if None != clipPath:
|
||
|
|
clipId = clipPath[5:-1]
|
||
|
|
clipElem = self.root.find(".//*[@id='%s']" % (clipId,))
|
||
|
|
if clipElem == None:
|
||
|
|
self.alert('clipPath not found', elem)
|
||
|
|
clipPath = None
|
||
|
|
else:
|
||
|
|
self.epsLayers += "\nq\n"
|
||
|
|
clipPathSave= self.clipPath
|
||
|
|
self.clipPath = True
|
||
|
|
self.walkElem(clipElem)
|
||
|
|
self.clipPath = clipPathSave
|
||
|
|
self.epsLayers += ' W'
|
||
|
|
|
||
|
|
if 'svg' == shortTag:
|
||
|
|
self.elemSvg(elem)
|
||
|
|
elif 'path' == shortTag:
|
||
|
|
# do not output paths that are in defs
|
||
|
|
# if they are referenced, they will be used there
|
||
|
|
if self.section != 'defs':
|
||
|
|
self.elemPath(elem)
|
||
|
|
elif 'rect' == shortTag:
|
||
|
|
if self.section != 'defs':
|
||
|
|
self.elemRect(elem)
|
||
|
|
elif 'circle' == shortTag:
|
||
|
|
if self.section != 'defs':
|
||
|
|
self.elemCircle(elem)
|
||
|
|
elif 'ellipse' == shortTag:
|
||
|
|
if self.section != 'defs':
|
||
|
|
self.elemEllipse(elem)
|
||
|
|
elif 'linearGradient' == shortTag:
|
||
|
|
self.elemGradient(elem, 'linear')
|
||
|
|
elif 'radialGradient' == shortTag:
|
||
|
|
self.elemGradient(elem, 'radial')
|
||
|
|
elif 'stop' == shortTag:
|
||
|
|
self.elemStop(elem)
|
||
|
|
elif 'g' == shortTag:
|
||
|
|
if 'layer' == elem.get('{http://www.inkscape.org/namespaces/inkscape}groupmode'):
|
||
|
|
self.layerStart(elem)
|
||
|
|
elif None == clipPath: # clipping makes a group anyway
|
||
|
|
self.epsLayers += '\nu\n'
|
||
|
|
elif 'use' == shortTag:
|
||
|
|
self.elemUse(elem)
|
||
|
|
elif 'defs' == shortTag:
|
||
|
|
self.section = shortTag
|
||
|
|
elif 'namedview' == shortTag:
|
||
|
|
self.section = shortTag
|
||
|
|
else:
|
||
|
|
self.alert("unhandled elem: " + shortTag, elem)
|
||
|
|
|
||
|
|
for child in list(elem):
|
||
|
|
self.walkElem(child)
|
||
|
|
|
||
|
|
if None != clipPath:
|
||
|
|
self.epsLayers += "\nQ\n"
|
||
|
|
|
||
|
|
if 'g' == shortTag:
|
||
|
|
if 'layer' == elem.get('{http://www.inkscape.org/namespaces/inkscape}groupmode'):
|
||
|
|
self.epsLayers += '\nLB\n%AI5_EndLayer\n'
|
||
|
|
elif None == clipPath:
|
||
|
|
self.epsLayers += '\nU\n'
|
||
|
|
elif shortTag in ('defs', 'namedview'):
|
||
|
|
self.section = None
|
||
|
|
|
||
|
|
if transform != None:
|
||
|
|
self.matrices.pop()
|
||
|
|
|
||
|
|
self.cssStack.pop()
|
||
|
|
|
||
|
|
def convert(self, svg = None):
|
||
|
|
self.alerts = {}
|
||
|
|
if None != svg:
|
||
|
|
self.svg = svg
|
||
|
|
if None == self.svg and None != self.filename:
|
||
|
|
fd = open(self.filename, 'rb')
|
||
|
|
self.svg = fd.read()
|
||
|
|
fd.close()
|
||
|
|
|
||
|
|
self.autoClose = True # TODO: make it optional
|
||
|
|
self.removeInvisible = True # TODO: make it optional
|
||
|
|
self.removeStrayPoints = True # TODO: make it optional
|
||
|
|
# if last point of a path is further from first point, then an explicit
|
||
|
|
# 'lineto' is written to the first point before 'closepath'
|
||
|
|
self.closeDist = 0.1
|
||
|
|
self.matrices = [[1, 0, 0, 1, 0, 0]]
|
||
|
|
self.cssStack = [{}]
|
||
|
|
self.gradients = {}
|
||
|
|
self.docHeight = 400
|
||
|
|
self.docWidth = 400
|
||
|
|
self.layerColor = 0
|
||
|
|
self.section = None
|
||
|
|
self.clipPath = False
|
||
|
|
self.epsComments = """%!PS-Adobe-3.0 EPSF-3.0
|
||
|
|
%%Creator: tzunghaor svg2eps
|
||
|
|
%%Pages: 1
|
||
|
|
%%DocumentData: Clean7Bit
|
||
|
|
%%LanguageLevel: 3
|
||
|
|
%%DocumentNeededResources: procset Adobe_Illustrator_AI5 1.3 0
|
||
|
|
%AI5_FileFormat 3
|
||
|
|
"""
|
||
|
|
# TODO: creation date, user etc
|
||
|
|
|
||
|
|
self.epsProlog = """%%BeginProlog
|
||
|
|
100 dict begin
|
||
|
|
/tzung_eps_state save def
|
||
|
|
/dict_count countdictstack def
|
||
|
|
/op_count count 1 sub def
|
||
|
|
/Adobe_Illustrator_AI5 where
|
||
|
|
{ pop } {
|
||
|
|
/tzung_strokergb [ 0 0 0 ] def
|
||
|
|
/tzung_compound 0 def
|
||
|
|
/tzung_closeop { S } def
|
||
|
|
/tzung_fillrule 0 def
|
||
|
|
|
||
|
|
/*u { /tzung_compound 1 def newpath /tzung_fillrule 0 def } bind def
|
||
|
|
/*U { /tzung_compound 0 def tzung_closeop } bind def
|
||
|
|
/u {} bind def
|
||
|
|
/U {} bind def
|
||
|
|
|
||
|
|
/q { clipsave } bind def
|
||
|
|
/Q { cliprestore } bind def
|
||
|
|
/W { clip } bind def
|
||
|
|
|
||
|
|
/Lb { 10 {pop} repeat } bind def
|
||
|
|
/Ln {pop} bind def
|
||
|
|
/LB {} bind def
|
||
|
|
|
||
|
|
|
||
|
|
/w { setlinewidth } bind def
|
||
|
|
/J { setlinecap } bind def
|
||
|
|
/j { setlinejoin } bind def
|
||
|
|
/M { setmiterlimit } bind def
|
||
|
|
/d { setdash } bind def
|
||
|
|
|
||
|
|
/m { tzung_compound 0 eq { newpath /tzung_fillrule 0 def } if moveto } bind def
|
||
|
|
/l { lineto } bind def
|
||
|
|
/c { curveto } bind def
|
||
|
|
|
||
|
|
/XR { /tzung_fillrule exch def } bind def
|
||
|
|
/Xa { setrgbcolor } bind def
|
||
|
|
/XA { 3 array astore /tzung_strokergb exch def } bind def
|
||
|
|
|
||
|
|
|
||
|
|
/F { tzung_compound 0 eq {
|
||
|
|
tzung_fillrule 0 eq { fill } { eofill } ifelse
|
||
|
|
} {
|
||
|
|
/tzung_closeop {F} def
|
||
|
|
} ifelse } bind def
|
||
|
|
/f { closepath F } bind def
|
||
|
|
/S { tzung_compound 0 eq {
|
||
|
|
tzung_strokergb aload pop setrgbcolor stroke
|
||
|
|
} {
|
||
|
|
/tzung_closeop {S} def
|
||
|
|
} ifelse } bind def
|
||
|
|
/s { closepath S } bind def
|
||
|
|
|
||
|
|
/B { tzung_compound 0 eq {
|
||
|
|
gsave
|
||
|
|
tzung_fillrule 0 eq { fill } { eofill } ifelse
|
||
|
|
grestore
|
||
|
|
tzung_strokergb aload pop setrgbcolor stroke
|
||
|
|
} {
|
||
|
|
/tzung_closeop {B} def
|
||
|
|
} ifelse } bind def
|
||
|
|
/b { closepath B } bind def
|
||
|
|
/H { tzung_compound 0 eq {
|
||
|
|
}{
|
||
|
|
/tzung_closeop {H} def
|
||
|
|
} ifelse} bind def
|
||
|
|
/h { closepath } bind def
|
||
|
|
/N { tzung_compound 0 eq {
|
||
|
|
}{
|
||
|
|
/tzung_closeop {N} def
|
||
|
|
} ifelse} bind def
|
||
|
|
/n { closepath N } bind def
|
||
|
|
|
||
|
|
|
||
|
|
/Bn { /dict_gradients exch dict def} bind def
|
||
|
|
/Bd { /tmp_ngradstop exch def /tmp_shadingtype exch def } bind def %leaves gradient name in stack
|
||
|
|
/BD { ] % this handles only stops that have CMYKRGB color definitions
|
||
|
|
% linear gradient stops must be in reverse order, radials in normal order
|
||
|
|
aload
|
||
|
|
pop
|
||
|
|
/tmp_boundaries tmp_ngradstop array def
|
||
|
|
/tmp_colors tmp_ngradstop array def
|
||
|
|
tmp_shadingtype 0 eq {
|
||
|
|
0 1 tmp_ngradstop 1 sub % for i=0; i<= number of gradient stops - 1; i++
|
||
|
|
} {
|
||
|
|
tmp_ngradstop 1 sub -1 0 % for i=number of gradient stops - 1; i >= 0; i++
|
||
|
|
} ifelse
|
||
|
|
{
|
||
|
|
/loopvar exch def
|
||
|
|
100 div
|
||
|
|
tmp_boundaries loopvar
|
||
|
|
3 -1 roll put % obj array i => array i obj
|
||
|
|
pop % assume gradient middle is always 50
|
||
|
|
pop % assume color type is always 2 (CMYKRGB)
|
||
|
|
3 array astore
|
||
|
|
tmp_colors loopvar
|
||
|
|
3 -1 roll put
|
||
|
|
pop pop pop pop % drop CMYK values
|
||
|
|
} for
|
||
|
|
|
||
|
|
tmp_ngradstop 2 eq {
|
||
|
|
/tmp_function 5 dict def
|
||
|
|
tmp_boundaries 0 get tmp_boundaries 1 get 2 array astore
|
||
|
|
tmp_function /Domain 3 -1 roll put
|
||
|
|
tmp_function /FunctionType 2 put
|
||
|
|
tmp_function /C0 tmp_colors 0 get put
|
||
|
|
tmp_function /C1 tmp_colors 1 get put
|
||
|
|
tmp_function /N 1 put
|
||
|
|
|
||
|
|
} {
|
||
|
|
/tmp_functions tmp_ngradstop 1 sub array def
|
||
|
|
|
||
|
|
0 1 tmp_ngradstop 2 sub {
|
||
|
|
/loopvar exch def
|
||
|
|
/tmp_function 5 dict def
|
||
|
|
tmp_function /Domain [0 1] put
|
||
|
|
tmp_function /FunctionType 2 put
|
||
|
|
tmp_function /C0 tmp_colors loopvar get put
|
||
|
|
tmp_function /C1 tmp_colors loopvar 1 add get put
|
||
|
|
tmp_function /N 1 put
|
||
|
|
tmp_functions loopvar tmp_function put
|
||
|
|
} for
|
||
|
|
|
||
|
|
|
||
|
|
/tmp_function 5 dict def
|
||
|
|
tmp_boundaries 0 get tmp_boundaries tmp_ngradstop 1 sub get 2 array astore
|
||
|
|
tmp_function /Domain 3 -1 roll put
|
||
|
|
tmp_function /FunctionType 3 put
|
||
|
|
tmp_boundaries aload pop
|
||
|
|
tmp_ngradstop -1 roll pop pop % remove first and last bounds
|
||
|
|
tmp_ngradstop 2 sub array astore
|
||
|
|
tmp_function /Bounds 3 -1 roll put
|
||
|
|
tmp_function /Functions tmp_functions put
|
||
|
|
|
||
|
|
tmp_ngradstop 1 sub {
|
||
|
|
0 1
|
||
|
|
} repeat
|
||
|
|
tmp_ngradstop 1 sub 2 mul array astore
|
||
|
|
tmp_function /Encode 3 -1 roll put
|
||
|
|
|
||
|
|
} ifelse
|
||
|
|
|
||
|
|
/tmp_shading 6 dict def
|
||
|
|
tmp_shadingtype 0 eq {
|
||
|
|
tmp_shading /ShadingType 2 put
|
||
|
|
tmp_shading /Coords [ 0 0 1 0 ] put
|
||
|
|
} {
|
||
|
|
tmp_shading /ShadingType 3 put
|
||
|
|
tmp_shading /Coords [ 0 0 0 0 0 1 ] put
|
||
|
|
} ifelse
|
||
|
|
tmp_shading /ColorSpace /DeviceRGB put
|
||
|
|
tmp_shading /Domain [0 1] put
|
||
|
|
tmp_shading /Extend[ true true] put
|
||
|
|
tmp_shading /Function tmp_function put
|
||
|
|
|
||
|
|
/tmp_gradient 2 dict def
|
||
|
|
tmp_gradient /PatternType 2 put
|
||
|
|
tmp_gradient /Shading tmp_shading put
|
||
|
|
|
||
|
|
dict_gradients exch tmp_gradient put % gradient's name is on the top of the stack from Bd operator
|
||
|
|
|
||
|
|
} bind def
|
||
|
|
/Lb { 10 { pop } repeat } bind def
|
||
|
|
/Ln { pop } bind def
|
||
|
|
/Bb { } bind def
|
||
|
|
|
||
|
|
/Bg {
|
||
|
|
6 { pop } repeat
|
||
|
|
gsave
|
||
|
|
4 2 roll
|
||
|
|
translate
|
||
|
|
exch
|
||
|
|
rotate
|
||
|
|
dup scale
|
||
|
|
exch pop % remove Bg flag
|
||
|
|
dict_gradients exch get % now gradient name is on top of the stack
|
||
|
|
[ 1 0 0 1 0 0 ]
|
||
|
|
makepattern
|
||
|
|
/pattern_tmp exch def
|
||
|
|
grestore
|
||
|
|
pattern_tmp setpattern
|
||
|
|
gsave % save for after pattern fil for possible stroke
|
||
|
|
} def
|
||
|
|
/BB { grestore 2 eq { s } if } bind def
|
||
|
|
/LB { } bind def
|
||
|
|
|
||
|
|
} ifelse
|
||
|
|
"""
|
||
|
|
self.epsSetup = """%%BeginSetup
|
||
|
|
/Adobe_Illustrator_AI5 where
|
||
|
|
{
|
||
|
|
pop
|
||
|
|
Adobe_Illustrator_AI5 /initialize get exec
|
||
|
|
} if
|
||
|
|
"""
|
||
|
|
self.epsLayers = ""
|
||
|
|
self.epsTrailer = """%%Trailer
|
||
|
|
showpage
|
||
|
|
count op_count sub {pop} repeat
|
||
|
|
countdictstack dict_count sub {end} repeat
|
||
|
|
tzung_eps_state restore
|
||
|
|
end
|
||
|
|
%%EOF
|
||
|
|
"""
|
||
|
|
|
||
|
|
self.root = etree.fromstring(self.svg)
|
||
|
|
self.walkElem(self.root)
|
||
|
|
self.gradientSetup()
|
||
|
|
|
||
|
|
sizeComment = "%%%%BoundingBox: 0 0 %d %d\n" % (math.ceil(self.docWidth), math.ceil(self.docHeight))
|
||
|
|
sizeComment += "%%%%HiResBoundingBox: 0 0 %f %f\n" % (self.docWidth, self.docHeight)
|
||
|
|
sizeComment += "%%AI5_ArtSize: %f %f\n" % (self.docWidth, self.docHeight)
|
||
|
|
pagesetup = """%%%%Page: 1 1
|
||
|
|
%%%%BeginPageSetup
|
||
|
|
%%%%PageBoundingBox: 0 0 %d %d
|
||
|
|
%%%%EndPageSetup
|
||
|
|
""" % (self.docWidth, self.docHeight)
|
||
|
|
|
||
|
|
eps = self.epsComments + sizeComment + "%%EndComments\n\n"
|
||
|
|
eps += self.epsProlog + "\n%%EndProlog\n\n"
|
||
|
|
eps += self.epsSetup + "\n%%EndSetup\n\n"
|
||
|
|
eps += pagesetup + self.epsLayers + "\n\n"
|
||
|
|
eps += self.epsTrailer
|
||
|
|
|
||
|
|
return eps
|
||
|
|
|
||
|
|
import sys
|
||
|
|
|
||
|
|
if len(sys.argv) < 2:
|
||
|
|
print("missing filename")
|
||
|
|
exit(1)
|
||
|
|
|
||
|
|
converter = svg2eps(sys.argv[1])
|
||
|
|
|
||
|
|
print(converter.convert())
|
||
|
|
#TODO: show alerts in dialogbox
|
||
|
|
#converter.showAlerts()
|