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439 lines
12 KiB
Python
Executable File
439 lines
12 KiB
Python
Executable File
#!/usr/bin/env python
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# encoding: utf8
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#
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# Sync glyph shapes between SVG and UFO, creating a bridge between UFO and Figma.
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#
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import os
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import sys
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import argparse
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import re
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from xml.dom.minidom import parseString as xmlparseString
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# from robofab.world import world, RFont, RGlyph, OpenFont, NewFont
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from robofab.objects.objectsRF import RFont, RGlyph, OpenFont, NewFont, RContour
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from robofab.objects.objectsBase import MOVE, LINE, CORNER, CURVE, QCURVE, OFFCURVE
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font = None # RFont
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ufopath = ''
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svgdir = ''
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effectiveAscender = 0
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def num(s):
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return int(s) if s.find('.') == -1 else float(s)
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def glyphToSVGPath(g, yMul):
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commands = {'move':'M','line':'L','curve':'Y','offcurve':'X','offCurve':'X'}
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svg = ''
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contours = []
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if len(g.components):
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font.newGlyph('__svgsync')
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new = font['__svgsync']
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new.width = g.width
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new.appendGlyph(g)
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new.decompose()
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g = new
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if len(g):
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for c in range(len(g)):
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contours.append(g[c])
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for i in range(len(contours)):
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c = contours[i]
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contour = end = ''
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curve = False
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points = c.points
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if points[0].type == 'offCurve':
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points.append(points.pop(0))
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if points[0].type == 'offCurve':
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points.append(points.pop(0))
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for x in range(len(points)):
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p = points[x]
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command = commands[str(p.type)]
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if command == 'X':
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if curve == True:
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command = ''
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else:
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command = 'C'
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curve = True
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if command == 'Y':
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command = ''
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curve = False
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if x == 0:
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command = 'M'
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if p.type == 'curve':
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end = ' ' + str(p.x) + ' ' + str(p.y * yMul)
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contour += ' ' + command + str(p.x) + ' ' + str(p.y * yMul)
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svg += ' ' + contour + end + 'z'
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if font.has_key('__svgsync'):
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font.removeGlyph('__svgsync')
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return svg.strip()
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def maybeAddMove(contour, x, y, smooth):
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if len(contour.segments) == 0:
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contour.appendSegment(MOVE, [(x, y)], smooth=smooth)
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svgPathDataRegEx = re.compile(r'(?:([A-Z])\s*|)([0-9\.\-\+eE]+)')
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def drawSVGPath(g, d, tr):
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yMul = -1
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xOffs = tr[0]
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yOffs = -(font.info.unitsPerEm - tr[1])
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for pathd in d.split('M'):
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pathd = pathd.strip()
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# print 'pathd', pathd
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if len(pathd) == 0:
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continue
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i = 0
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closePath = False
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if pathd[-1] == 'z':
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closePath = True
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pathd = pathd[0:-1]
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pv = []
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for m in svgPathDataRegEx.finditer('M' + pathd):
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if m.group(1) is not None:
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pv.append(m.group(1) + m.group(2))
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else:
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pv.append(m.group(2))
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initX = 0
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initY = 0
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pen = g.getPen()
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while i < len(pv):
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pd = pv[i]; i += 1
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cmd = pd[0]
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x = num(pd[1:]) + xOffs
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y = (num(pv[i]) + yOffs) * yMul; i += 1
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if cmd == 'M':
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# print cmd, x, y, '/', num(pv[i-2][1:])
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initX = x
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initY = y
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pen.moveTo((x, y))
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continue
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if cmd == 'C':
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# Bezier curve: "C x1 y1, x2 y2, x y"
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x1 = x
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y1 = y
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x2 = num(pv[i]) + xOffs; i += 1
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y2 = (num(pv[i]) + yOffs) * yMul; i += 1
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x = num(pv[i]) + xOffs; i += 1
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y = (num(pv[i]) + yOffs) * yMul; i += 1
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pen.curveTo((x1, y1), (x2, y2), (x, y))
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# print cmd, x1, y1, x2, y2, x, y
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elif cmd == 'L':
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pen.lineTo((x, y))
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else:
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raise Exception('unexpected SVG path command %r' % cmd)
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if closePath:
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pen.closePath()
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else:
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pen.endPath()
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# print 'path ended. closePath:', closePath
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def glyphToSVG(g):
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width = g.width
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height = font.info.unitsPerEm
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d = {
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'name': g.name,
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'width': width,
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'height': effectiveAscender - font.info.descender,
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'effectiveAscender': effectiveAscender,
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'leftMargin': g.leftMargin,
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'rightMargin': g.rightMargin,
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'glyphSVGPath': glyphToSVGPath(g, -1),
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'ascender': font.info.ascender,
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'descender': font.info.descender,
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'baselineOffset': height + font.info.descender,
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'unitsPerEm': font.info.unitsPerEm,
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}
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# for kv in d.iteritems():
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# if kv[0] == 'glyphSVGPath':
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# print ' %s: ...' % kv[0]
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# else:
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# print ' %s: %r' % kv
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svg = '''
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<svg xmlns="http://www.w3.org/2000/svg" width="%(width)d" height="%(height)d">
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<g id="%(name)s">
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<path d="%(glyphSVGPath)s" transform="translate(0 %(effectiveAscender)d)" />
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<rect x="0" y="0" width="%(width)d" height="%(height)d" fill="none" stroke="black" />
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</g>
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</svg>
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''' % d
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# print svg
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return svg.strip()
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def _findPathNodes(n, paths, defs, uses, isDef=False):
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for cn in n.childNodes:
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if cn.nodeName == 'path':
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if isDef:
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defs[cn.getAttribute('id')] = cn
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else:
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paths.append(cn)
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elif cn.nodeName == 'use':
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uses[cn.getAttribute('xlink:href').lstrip('#')] = {'useNode': cn, 'targetNode': None}
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elif cn.nodeName == 'defs':
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_findPathNodes(cn, paths, defs, uses, isDef=True)
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elif not isinstance(cn, basestring) and cn.childNodes and len(cn.childNodes) > 0:
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_findPathNodes(cn, paths, defs, uses, isDef)
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# return translate
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def findPathNodes(n, isDef=False):
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paths = []
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defs = {}
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uses = {}
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# <g id="Canvas" transform="translate(-3677 -24988)">
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# <g id="six 2">
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# <g id="six">
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# <g id="Vector">
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# <use xlink:href="#path0_fill" transform="translate(3886 25729)"/>
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# ...
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# <defs>
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# <path id="path0_fill" ...
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#
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_findPathNodes(n, paths, defs, uses)
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# flatten uses & defs
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for k in uses.keys():
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dfNode = defs.get(k)
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if dfNode is not None:
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v = uses[k]
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v['targetNode'] = dfNode
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if dfNode.nodeName == 'path':
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useNode = v['useNode']
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useNode.parentNode.replaceChild(dfNode, useNode)
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attrs = useNode.attributes
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for k in attrs.keys():
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if k != 'xlink:href':
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dfNode.setAttribute(k, attrs[k])
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paths.append(dfNode)
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else:
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del defs[k]
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return paths
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def nodeTranslation(path, x=0, y=0):
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tr = path.getAttribute('transform')
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if tr is not None:
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if not isinstance(tr, basestring):
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tr = tr.value
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if len(tr) > 0:
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m = re.match(r"translate\s*\(\s*(?P<x>[\-\d\.eE]+)[\s,]*(?P<y>[\-\d\.eE]+)\s*\)", tr)
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if m is not None:
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x += num(m.group('x'))
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y += num(m.group('y'))
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else:
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raise Exception('Unable to handle transform="%s"' % tr)
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# m = re.match(r"matrix\s*\(\s*(?P<a>[\-\d\.eE]+)[\s,]*(?P<b>[\-\d\.eE]+)[\s,]*(?P<c>[\-\d\.eE]+)[\s,]*(?P<d>[\-\d\.eE]+)[\s,]*(?P<e>[\-\d\.eE]+)[\s,]*(?P<f>[\-\d\.eE]+)[\s,]*", tr)
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# if m is not None:
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# a, b, c = num(m.group('a')), num(m.group('b')), num(m.group('c'))
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# d, e, f = num(m.group('d')), num(m.group('e')), num(m.group('f'))
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# # matrix -1 0 0 -1 -660.719 31947
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# print 'matrix', a, b, c, d, e, f
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# # matrix(-1 0 -0 -1 -2553 31943)
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pn = path.parentNode
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if pn is not None and pn.nodeName != '#document':
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x, y = nodeTranslation(pn, x, y)
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return (x, y)
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def glyphUpdateFromSVG(g, svgCode):
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doc = xmlparseString(svgCode)
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svg = doc.documentElement
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paths = findPathNodes(svg)
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if len(paths) == 0:
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raise Exception('no <path> found in SVG')
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path = paths[0]
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if len(paths) != 1:
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for p in paths:
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id = p.getAttribute('id')
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if id is not None and id.find('stroke') == -1:
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path = p
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break
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tr = nodeTranslation(path)
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d = path.getAttribute('d')
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g.clearContours()
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drawSVGPath(g, d, tr)
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def stat(path):
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try:
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return os.stat(path)
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except OSError as e:
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return None
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def writeFile(file, s):
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with open(file, 'w') as f:
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f.write(s)
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def writeFileAndMkDirsIfNeeded(file, s):
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try:
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writeFile(file, s)
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except IOError as e:
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if e.errno == 2:
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os.makedirs(os.path.dirname(file))
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writeFile(file, s)
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def syncGlyphUFOToSVG(glyphname, svgFile, mtime):
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print glyphname + ': UFO -> SVG'
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g = font.getGlyph(glyphname)
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svg = glyphToSVG(g)
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writeFileAndMkDirsIfNeeded(svgFile, svg)
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os.utime(svgFile, (mtime, mtime))
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print 'write', svgFile
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def syncGlyphSVGToUFO(glyphname, svgFile):
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print glyphname + ': SVG -> UFO'
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svg = ''
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with open(svgFile, 'r') as f:
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svg = f.read()
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g = font.getGlyph(glyphname)
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glyphUpdateFromSVG(g, svg)
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def findGlifFile(glyphname):
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# glyphname.glif
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# glyphname_.glif
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# glyphname__.glif
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# glyphname___.glif
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for underscoreCount in range(0, 5):
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fn = os.path.join(ufopath, 'glyphs', glyphname + ('_' * underscoreCount) + '.glif')
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st = stat(fn)
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if st is not None:
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return fn, st
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if glyphname.find('.') != -1:
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# glyph_.name.glif
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# glyph__.name.glif
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# glyph___.name.glif
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for underscoreCount in range(0, 5):
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nv = glyphname.split('.')
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nv[0] = nv[0] + ('_' * underscoreCount)
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ns = '.'.join(nv)
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fn = os.path.join(ufopath, 'glyphs', ns + '.glif')
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st = stat(fn)
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if st is not None:
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return fn, st
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if glyphname.find('_') != -1:
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# glyph_name.glif
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# glyph_name_.glif
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# glyph_name__.glif
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# glyph__name.glif
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# glyph__name_.glif
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# glyph__name__.glif
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# glyph___name.glif
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# glyph___name_.glif
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# glyph___name__.glif
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for x in range(0, 4):
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for y in range(0, 5):
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ns = glyphname.replace('_', '__' + ('_' * x))
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fn = os.path.join(ufopath, 'glyphs', ns + ('_' * y) + '.glif')
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st = stat(fn)
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if st is not None:
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return fn, st
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return ('', None)
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def syncGlyph(glyphname):
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glyphFile, glyphStat = findGlifFile(glyphname)
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svgFile = os.path.join(svgdir, glyphname + '.svg')
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svgStat = stat(svgFile)
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if glyphStat is None and svgStat is None:
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raise Exception("glyph %r doesn't exist in UFO or SVG directory" % glyphname)
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c = cmp(
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0 if glyphStat is None else glyphStat.st_mtime,
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0 if svgStat is None else svgStat.st_mtime
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)
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if c < 0:
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syncGlyphSVGToUFO(glyphname, svgFile)
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return (glyphFile, svgStat.st_mtime) # glif file in UFO change + it's new mtime
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elif c > 0:
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syncGlyphUFOToSVG(glyphname, svgFile, glyphStat.st_mtime)
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# else:
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# print glyphname + ': up to date'
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return (None, 0) # UFO did not change
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# ————————————————————————————————————————————————————————————————————————
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# main
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argparser = argparse.ArgumentParser(description='Convert UFO glyphs to SVG')
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argparser.add_argument('--svgdir', dest='svgdir', metavar='<dir>', type=str,
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default='',
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help='Write SVG files to <dir>. If not specified, SVG files are' +
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' written to: {dirname(<ufopath>)/svg/<familyname>/<style>')
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argparser.add_argument('ufopath', metavar='<ufopath>', type=str,
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help='Path to UFO packages')
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argparser.add_argument('glyphs', metavar='<glyphname>', type=str, nargs='*',
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help='Glyphs to convert. Converts all if none specified.')
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args = argparser.parse_args()
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ufopath = args.ufopath.rstrip('/')
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font = OpenFont(ufopath)
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effectiveAscender = max(font.info.ascender, font.info.unitsPerEm)
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svgdir = args.svgdir
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if len(svgdir) == 0:
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svgdir = os.path.join(
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os.path.dirname(ufopath),
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'svg',
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font.info.familyName,
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font.info.styleName
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)
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print 'sync %s (%s)' % (font.info.familyName, font.info.styleName)
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glyphnames = args.glyphs if len(args.glyphs) else font.keys()
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modifiedGlifFiles = []
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ignoreGlyphs = set(['.notdef', '.null'])
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for glyphname in glyphnames:
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if glyphname in ignoreGlyphs:
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continue
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glyphFile, mtime = syncGlyph(glyphname)
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if glyphFile is not None:
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modifiedGlifFiles.append((glyphFile, mtime))
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if len(modifiedGlifFiles) > 0:
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print 'Saving font'
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font.save()
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for glyphFile, mtime in modifiedGlifFiles:
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os.utime(glyphFile, (mtime, mtime))
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print 'write', glyphFile
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