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annotate svg2qd.py @ 254:9c33e11c3d39

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author Matti Hamalainen <ccr@tnsp.org>
date Tue, 09 Oct 2012 21:49:47 +0300
parents 98483680ea0f
children cac0b6cfebb4
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1 #!/usr/bin/python
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2 import sys
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3 import re
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4 import xml.etree.ElementTree as ET
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5
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6
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7 def bf(x) :
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8 return int(round(float(x)))
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9
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10
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11 def printVertex(v) :
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12 if type(v) is list :
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13 return "{:.2f},{:.2f},{:.2f}".format(v[0], v[1], v[2])
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14 else :
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15 return v
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17
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18 def getTransform(elem) :
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19 if "transform" in elem.attrib :
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20 ntrans = elem.attrib["transform"]
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21 tmatch = re.compile(r"translate\((.*?)\)", re.IGNORECASE)
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22 for trns in tmatch.finditer(ntrans) :
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23 coord = trns.group(1).split(",")
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24 return [float(coord[0]), float(coord[1]), 0]
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25 return None
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26
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27
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28 def getStyle(elem) :
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29 style = {}
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30 if "style" in elem.attrib :
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31 for elem in elem.attrib["style"].split(";") :
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32 kv = elem.split(":")
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33 style[kv[0]] = kv[1]
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34 return style
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35
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36
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37 def printVertices(type, vertices, width) :
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38 if len(vertices) > 0 :
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39 list = map(lambda v:printVertex(v), vertices)
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40 str = "# "
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41 if type == "m" :
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42 str = "R"
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43 elif type == "M" :
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44 str = "L"
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45 return str + "{} {} {}".format(len(vertices)-1, " ".join(list), width)
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46 else :
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47 return ""
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48
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49
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50 def printPath(path, level) :
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51 style = getStyle(path)
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52 width = bf(style["stroke-width"])
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53
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54 trans = getTransform(path)
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55 if trans :
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56 print "{}G{}".format(" "*level, printVertex(trans))
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57
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58 out = ""
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59 vertices = []
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60 type = ""
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61 for elem in path.attrib["d"].split(" ") :
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62 if elem == "m" or elem == "M" or elem == "c":
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63 out += printVertices(type, vertices, width)
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64 type = elem
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65 elif elem == "z" :
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66 vertices.append("Z")
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67 else :
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68 tmp = elem.split(",")
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69 px = float(tmp[0])
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70 py = float(tmp[1])
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71 vertices.append([px, py, 0])
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72
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73 out += printVertices(type, vertices, width)
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74 print "{}{}".format(" "*level, out)
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75 if trans :
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76 print "{}E\n".format(" "*level)
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78
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79 def iterateDocument(elems, level) :
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80 for elem in elems:
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81 if elem.tag == "{http://www.w3.org/2000/svg}g" :
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82 print "\n{}# GROUP".format(" "*level)
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83 tmp = getTransform(elem)
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84 if tmp :
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85 print "{}G{}".format(" "*level, printVertex(getTransform(elem)))
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86 iterateDocument(elem, level + 1)
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87 print "{}E\n".format(" "*level)
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88 else :
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89 iterateDocument(elem, level)
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90 elif elem.tag == "{http://www.w3.org/2000/svg}path" :
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91 printPath(elem, level)
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93
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94 # Ns. paaohjelma
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95 if len(sys.argv) != 2 :
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96 print "Usage: "+sys.argv[0]+" <input.svg>"
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97 sys.exit(1)
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98
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99 tree = ET.parse(sys.argv[1])
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100 iterateDocument(tree.getroot(), 0)