64 lines
1.4 KiB
Python
64 lines
1.4 KiB
Python
# robothon 06
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# set guidelines on the average x, y of all selected points
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# in the current glyph.
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# useful for working on symetric glyphs.
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from robofab.world import CurrentGlyph
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g = CurrentGlyph()
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# remove all old guides first
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g.clearHGuides()
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g.clearVGuides()
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# this is where we'll be storing some data
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guides = {}
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average = {}
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# iterate through the points, find the selected points
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# and their associated off-curve points.
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for c in g:
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for pt in c.bPoints:
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if pt.selected:
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average[(pt.anchor[0], pt.anchor[1])] = 1
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guides[(pt.anchor[0], pt.anchor[1])] = 1
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guides[(pt.anchor[0]+pt.bcpIn[0], pt.anchor[1]+pt.bcpIn[1])] = 1
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guides[(pt.anchor[0]+pt.bcpOut[0], pt.anchor[1]+pt.bcpOut[1])] = 1
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# calculate an average position
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x = None
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y = None
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for (px, py) in average.keys():
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if x is None:
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x = px
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else:
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x += px
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if y is None:
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y = py
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else:
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y += py
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# if we found values, set some guides
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if len(average.keys()) > 0:
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ax = float(x) / len(average.keys())
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ay = float(y) / len(average.keys())
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# first, guides for the average
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# attention: a vertical guide has a horizontal value
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g.appendVGuide(ax)
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# attention: a horizontal guide has a vertical value
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g.appendHGuide(ay)
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# then some guides for the off-curves
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if len(guides.keys()) > 0:
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for gx, gy in guides.keys():
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g.appendVGuide(gx)
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g.appendHGuide(gy)
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g.update()
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else:
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print "no points selected"
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g.update()
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