582 lines
22 KiB
Python
582 lines
22 KiB
Python
from __future__ import print_function, division, absolute_import
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from ufoLib import fontInfoAttributesVersion1, fontInfoAttributesVersion2, fontInfoAttributesVersion3
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from pprint import pprint
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"""
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A subclassed DesignSpaceDocument that can
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- process the document and generate finished UFOs with MutatorMath.
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- read and write
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- bypass and eventually replace the mutatormath ufo generator.
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"""
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from designSpaceDocument import DesignSpaceDocument, SourceDescriptor, InstanceDescriptor, AxisDescriptor, RuleDescriptor, processRules
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from defcon.objects.font import Font
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import defcon
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from fontMath.mathGlyph import MathGlyph
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from fontMath.mathInfo import MathInfo
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from fontMath.mathKerning import MathKerning
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from mutatorMath.objects.mutator import buildMutator
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from mutatorMath.objects.location import biasFromLocations, Location
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import os
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"""
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Swap the contents of two glyphs.
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- contours
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- components
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- width
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- group membership
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- kerning
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+ Remap components so that glyphs that reference either of the swapped glyphs maintain appearance
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+ Keep the unicode value of the original glyph.
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Notes
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Parking the glyphs under a swapname is a bit lazy, but at least it guarantees the glyphs have the right parent.
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"""
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def swapGlyphNames(font, oldName, newName, swapNameExtension = "_______________swap"):
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if not oldName in font or not newName in font:
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return None
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swapName = oldName + swapNameExtension
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# park the old glyph
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if not swapName in font:
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font.newGlyph(swapName)
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# swap the outlines
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font[swapName].clear()
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p = font[swapName].getPointPen()
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font[oldName].drawPoints(p)
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font[swapName].width = font[oldName].width
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font[oldName].clear()
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p = font[oldName].getPointPen()
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font[newName].drawPoints(p)
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font[oldName].width = font[newName].width
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font[newName].clear()
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p = font[newName].getPointPen()
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font[swapName].drawPoints(p)
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font[newName].width = font[swapName].width
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# remap the components
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for g in font:
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for c in g.components:
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if c.baseGlyph == oldName:
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c.baseGlyph = swapName
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continue
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for g in font:
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for c in g.components:
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if c.baseGlyph == newName:
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c.baseGlyph = oldName
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continue
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for g in font:
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for c in g.components:
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if c.baseGlyph == swapName:
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c.baseGlyph = newName
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# change the names in groups
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# the shapes will swap, that will invalidate the kerning
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# so the names need to swap in the kerning as well.
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newKerning = {}
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for first, second in font.kerning.keys():
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value = font.kerning[(first,second)]
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if first == oldName:
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first = newName
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elif first == newName:
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first = oldName
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if second == oldName:
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second = newName
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elif second == newName:
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second = oldName
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newKerning[(first, second)] = value
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font.kerning.clear()
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font.kerning.update(newKerning)
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for groupName, members in font.groups.items():
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newMembers = []
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for name in members:
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if name == oldName:
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newMembers.append(newName)
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elif name == newName:
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newMembers.append(oldName)
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else:
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newMembers.append(name)
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font.groups[groupName] = newMembers
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remove = []
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for g in font:
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if g.name.find(swapNameExtension)!=-1:
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remove.append(g.name)
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for r in remove:
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del font[r]
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class DesignSpaceProcessor(DesignSpaceDocument):
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"""
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builder of glyphs from designspaces
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validate the data
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if it works, make a generating thing
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"""
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fontClass = defcon.Font
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glyphClass = defcon.Glyph
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libClass = defcon.Lib
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glyphContourClass = defcon.Contour
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glyphPointClass = defcon.Point
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glyphComponentClass = defcon.Component
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glyphAnchorClass = defcon.Anchor
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kerningClass = defcon.Kerning
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groupsClass = defcon.Groups
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infoClass = defcon.Info
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featuresClass = defcon.Features
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mathInfoClass = MathInfo
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mathGlyphClass = MathGlyph
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mathKerningClass = MathKerning
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def __init__(self, readerClass=None, writerClass=None, fontClass=None, ufoVersion=2):
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super(DesignSpaceProcessor, self).__init__(readerClass=readerClass, writerClass=writerClass, fontClass=fontClass)
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self.ufoVersion = ufoVersion # target UFO version
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self.roundGeometry = False
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self._glyphMutators = {}
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self._infoMutator = None
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self._kerningMutator = None
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self._preppedAxes = None
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self.fonts = {}
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self.glyphNames = [] # list of all glyphnames
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self.processRules = True
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self.problems = [] # receptacle for problem notifications. Not big enough to break, but also not small enough to ignore.
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def generateUFO(self, processRules=True):
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# makes the instances
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# option to execute the rules
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#self.checkAxes()
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self.checkDefault()
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self.loadFonts()
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for instanceDescriptor in self.instances:
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if instanceDescriptor.path is None:
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continue
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font = self.makeInstance(instanceDescriptor, processRules)
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if not os.path.exists(os.path.dirname(instanceDescriptor.path)):
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os.makedirs(os.path.dirname(instanceDescriptor.path))
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font.save(instanceDescriptor.path, self.ufoVersion)
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def getInfoMutator(self):
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""" Returns a info mutator """
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if self._infoMutator:
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return self._infoMutator
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infoItems = []
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for sourceDescriptor in self.sources:
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loc = Location(sourceDescriptor.location)
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sourceFont = self.fonts[sourceDescriptor.name]
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infoItems.append((loc, self.mathInfoClass(sourceFont.info)))
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bias, self._infoMutator = buildMutator(infoItems, axes=self._preppedAxes, bias=self.defaultLoc)
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return self._infoMutator
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def getKerningMutator(self):
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""" Return a kerning mutator """
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if self._kerningMutator:
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return self._kerningMutator
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kerningItems = []
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for sourceDescriptor in self.sources:
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loc = Location(sourceDescriptor.location)
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sourceFont = self.fonts[sourceDescriptor.name]
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kerningItems.append((loc, self.mathKerningClass(sourceFont.kerning, sourceFont.groups)))
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bias, self._kerningMutator = buildMutator(kerningItems, axes=self._preppedAxes, bias=self.defaultLoc)
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return self._kerningMutator
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def getGlyphMutator(self, glyphName):
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""" Return a glyph mutator """
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if glyphName in self._glyphMutators:
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return self._glyphMutators[glyphName]
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items = []
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for sourceDescriptor in self.sources:
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loc = Location(sourceDescriptor.location)
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f = self.fonts[sourceDescriptor.name]
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if glyphName in sourceDescriptor.mutedGlyphNames:
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continue
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if not glyphName in f:
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# log this>
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continue
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items.append((loc, self.mathGlyphClass(f[glyphName])))
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bias, self._glyphMutators[glyphName] = buildMutator(items, axes=self._preppedAxes, bias=self.defaultLoc)
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return self._glyphMutators[glyphName]
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def loadFonts(self):
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# Load the fonts and find the default candidate based on the info flag
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for sourceDescriptor in self.sources:
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names = set()
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if not sourceDescriptor.name in self.fonts:
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self.fonts[sourceDescriptor.name] = self._instantiateFont(sourceDescriptor.path)
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names = names | set(self.fonts[sourceDescriptor.name].keys())
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self.glyphNames = list(names)
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def makeInstance(self, instanceDescriptor, doRules=False):
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""" Generate a font object for this instance """
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font = self._instantiateFont(None)
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self._preppedAxes = self._prepAxesForBender()
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# make fonty things here
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loc = Location(instanceDescriptor.location)
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# make the kerning
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if instanceDescriptor.kerning:
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self.getKerningMutator().makeInstance(loc).extractKerning(font)
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# make the info
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if instanceDescriptor.info:
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self.getInfoMutator().makeInstance(loc).extractInfo(font.info)
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info = self._infoMutator.makeInstance(loc)
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info.extractInfo(font.info)
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font.info.familyName = instanceDescriptor.familyName
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font.info.styleName = instanceDescriptor.styleName
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font.info.postScriptFontName = instanceDescriptor.postScriptFontName
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font.info.styleMapFamilyName = instanceDescriptor.styleMapFamilyName
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font.info.styleMapStyleName = instanceDescriptor.styleMapStyleName
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# copied info
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for sourceDescriptor in self.sources:
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if sourceDescriptor.copyInfo:
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# this is the source
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self._copyFontInfo(self.fonts[sourceDescriptor.name].info, font.info)
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if sourceDescriptor.copyLib:
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font.lib.update(self.fonts[sourceDescriptor.name].lib)
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if sourceDescriptor.copyFeatures:
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featuresText = self.fonts[sourceDescriptor.name].features.text
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if isinstance(featuresText, str):
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font.features.text = u""+featuresText
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elif isinstance(featuresText, unicode):
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font.features.text = featuresText
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# glyphs
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for glyphName in self.glyphNames:
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glyphMutator = self.getGlyphMutator(glyphName)
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if glyphName in instanceDescriptor.glyphs.keys():
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# reminder: this is what the glyphData can look like
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# {'instanceLocation': {'custom': 0.0, 'weight': 824.0},
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# 'masters': [{'font': 'master.Adobe VF Prototype.Master_0.0',
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# 'glyphName': 'dollar.nostroke',
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# 'location': {'custom': 0.0, 'weight': 0.0}},
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# {'font': 'master.Adobe VF Prototype.Master_1.1',
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# 'glyphName': 'dollar.nostroke',
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# 'location': {'custom': 0.0, 'weight': 368.0}},
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# {'font': 'master.Adobe VF Prototype.Master_2.2',
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# 'glyphName': 'dollar.nostroke',
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# 'location': {'custom': 0.0, 'weight': 1000.0}},
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# {'font': 'master.Adobe VF Prototype.Master_3.3',
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# 'glyphName': 'dollar.nostroke',
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# 'location': {'custom': 100.0, 'weight': 1000.0}},
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# {'font': 'master.Adobe VF Prototype.Master_0.4',
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# 'glyphName': 'dollar.nostroke',
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# 'location': {'custom': 100.0, 'weight': 0.0}},
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# {'font': 'master.Adobe VF Prototype.Master_4.5',
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# 'glyphName': 'dollar.nostroke',
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# 'location': {'custom': 100.0, 'weight': 368.0}}],
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# 'unicodeValue': 36}
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glyphData = instanceDescriptor.glyphs[glyphName]
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else:
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glyphData = {}
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font.newGlyph(glyphName)
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font[glyphName].clear()
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if glyphData.get('mute', False):
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# mute this glyph, skip
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continue
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glyphInstanceLocation = Location(glyphData.get("instanceLocation", instanceDescriptor.location))
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try:
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uniValue = glyphMutator[()][0].unicodes[0]
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except IndexError:
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uniValue = None
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glyphInstanceUnicode = glyphData.get("unicodeValue", uniValue)
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note = glyphData.get("note")
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if note:
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font[glyphName] = note
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masters = glyphData.get("masters", None)
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if masters:
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items = []
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for glyphMaster in masters:
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sourceGlyphFont = glyphMaster.get("font")
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sourceGlyphName = glyphMaster.get("glyphName", glyphName)
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m = self.fonts.get(sourceGlyphFont)
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if not sourceGlyphName in m:
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continue
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sourceGlyph = MathGlyph(m[sourceGlyphName])
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sourceGlyphLocation = Location(glyphMaster.get("location"))
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items.append((sourceGlyphLocation, sourceGlyph))
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bias, glyphMutator = buildMutator(items, axes=self._preppedAxes, bias=self.defaultLoc)
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try:
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glyphInstanceObject = glyphMutator.makeInstance(glyphInstanceLocation)
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except IndexError:
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# alignment problem with the data?
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print("Error making instance %s"%glyphName)
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continue
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font.newGlyph(glyphName)
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font[glyphName].clear()
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if self.roundGeometry:
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try:
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glyphInstanceObject = glyphInstanceObject.round()
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except AttributeError:
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pass
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try:
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glyphInstanceObject.extractGlyph(font[glyphName], onlyGeometry=True)
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except TypeError:
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# this causes ruled glyphs to end up in the wrong glyphname
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# but defcon2 objects don't support it
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pPen = font[glyphName].getPointPen()
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font[glyphName].clear()
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glyphInstanceObject.drawPoints(pPen)
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font[glyphName].width = glyphInstanceObject.width
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font[glyphName].unicode = glyphInstanceUnicode
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if doRules:
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resultNames = processRules(self.rules, loc, self.glyphNames)
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for oldName, newName in zip(self.glyphNames, resultNames):
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if oldName != newName:
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swapGlyphNames(font, oldName, newName)
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return font
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def _instantiateFont(self, path):
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""" Return a instance of a font object with all the given subclasses"""
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return self.fontClass(path,
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libClass=self.libClass,
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kerningClass=self.kerningClass,
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groupsClass=self.groupsClass,
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infoClass=self.infoClass,
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featuresClass=self.featuresClass,
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glyphClass=self.glyphClass,
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glyphContourClass=self.glyphContourClass,
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glyphPointClass=self.glyphPointClass,
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glyphComponentClass=self.glyphComponentClass,
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glyphAnchorClass=self.glyphAnchorClass)
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def _copyFontInfo(self, sourceInfo, targetInfo):
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""" Copy the non-calculating fields from the source info."""
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infoAttributes = [
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"versionMajor",
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"versionMinor",
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"copyright",
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"trademark",
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"note",
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"openTypeGaspRangeRecords",
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"openTypeHeadCreated",
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"openTypeHeadFlags",
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"openTypeNameDesigner",
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"openTypeNameDesignerURL",
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"openTypeNameManufacturer",
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"openTypeNameManufacturerURL",
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"openTypeNameLicense",
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"openTypeNameLicenseURL",
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"openTypeNameVersion",
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"openTypeNameUniqueID",
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"openTypeNameDescription",
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"#openTypeNamePreferredFamilyName",
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"#openTypeNamePreferredSubfamilyName",
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"#openTypeNameCompatibleFullName",
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"openTypeNameSampleText",
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"openTypeNameWWSFamilyName",
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"openTypeNameWWSSubfamilyName",
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"openTypeNameRecords",
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"openTypeOS2Selection",
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"openTypeOS2VendorID",
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"openTypeOS2Panose",
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"openTypeOS2FamilyClass",
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"openTypeOS2UnicodeRanges",
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"openTypeOS2CodePageRanges",
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"openTypeOS2Type",
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"postscriptIsFixedPitch",
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"postscriptForceBold",
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"postscriptDefaultCharacter",
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"postscriptWindowsCharacterSet"
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]
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for infoAttribute in infoAttributes:
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copy = False
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if self.ufoVersion == 1 and infoAttribute in fontInfoAttributesVersion1:
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copy = True
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elif self.ufoVersion == 2 and infoAttribute in fontInfoAttributesVersion2:
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copy = True
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elif self.ufoVersion == 3 and infoAttribute in fontInfoAttributesVersion3:
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copy = True
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if copy:
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value = getattr(sourceInfo, infoAttribute)
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setattr(targetInfo, infoAttribute, value)
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if __name__ == "__main__":
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# standalone test
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import shutil
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import os
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from defcon.objects.font import Font
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import logging
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def addGlyphs(font, s):
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# we need to add the glyphs
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step = 0
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for n in ['glyphOne', 'glyphTwo', 'glyphThree', 'glyphFour']:
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font.newGlyph(n)
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g = font[n]
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p = g.getPen()
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p.moveTo((0,0))
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p.lineTo((s,0))
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p.lineTo((s,s))
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p.lineTo((0,s))
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p.closePath()
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g.move((0,s+step))
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g.width = s
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g.unicode = 200 + step
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step += 50
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for n, w in [('wide', 800), ('narrow', 100)]:
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font.newGlyph(n)
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g = font[n]
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p = g.getPen()
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p.moveTo((0,0))
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p.lineTo((w,0))
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p.lineTo((w,font.info.ascender))
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p.lineTo((0,font.info.ascender))
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p.closePath()
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g.width = w
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font.newGlyph("wide.component")
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g = font["wide.component"]
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comp = g.instantiateComponent()
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comp.baseGlyph = "wide"
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comp.offset = (0,0)
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g.appendComponent(comp)
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g.width = font['wide'].width
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font.newGlyph("narrow.component")
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g = font["narrow.component"]
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comp = g.instantiateComponent()
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comp.baseGlyph = "narrow"
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comp.offset = (0,0)
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g.appendComponent(comp)
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g.width = font['narrow'].width
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uniValue = 200
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for g in font:
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g.unicode = uniValue
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uniValue += 1
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def fillInfo(font):
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font.info.unitsPerEm = 1000
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font.info.ascender = 800
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font.info.descender = -200
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def makeTestFonts(rootPath):
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""" Make some test fonts that have the kerning problem."""
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path1 = os.path.join(rootPath, "geometryMaster1.ufo")
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path2 = os.path.join(rootPath, "geometryMaster2.ufo")
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path3 = os.path.join(rootPath, "my_test_instance_dir_one", "geometryInstance%3.3f.ufo")
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path4 = os.path.join(rootPath, "my_test_instance_dir_two", "geometryInstanceAnisotropic1.ufo")
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path5 = os.path.join(rootPath, "my_test_instance_dir_two", "geometryInstanceAnisotropic2.ufo")
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f1 = Font()
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fillInfo(f1)
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addGlyphs(f1, 100)
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f1.features.text = u"# features text from master 1"
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f2 = Font()
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fillInfo(f2)
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addGlyphs(f2, 500)
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f2.features.text = u"# features text from master 2"
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f1.info.ascender = 400
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f1.info.descender = -200
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f2.info.ascender = 600
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f2.info.descender = -100
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f1.info.copyright = u"This is the copyright notice from master 1"
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f2.info.copyright = u"This is the copyright notice from master 2"
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f1.save(path1, 2)
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f2.save(path2, 2)
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return path1, path2, path3, path4, path5
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|
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def makeSwapFonts(rootPath):
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""" Make some test fonts that have the kerning problem."""
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path1 = os.path.join(rootPath, "Swap.ufo")
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path2 = os.path.join(rootPath, "Swapped.ufo")
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f1 = Font()
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fillInfo(f1)
|
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addGlyphs(f1, 100)
|
|
f1.features.text = u"# features text from master 1"
|
|
f1.info.ascender = 800
|
|
f1.info.descender = -200
|
|
f1.kerning[('glyphOne', 'glyphOne')] = -10
|
|
f1.kerning[('glyphTwo', 'glyphTwo')] = 10
|
|
f1.save(path1, 2)
|
|
return path1, path2
|
|
|
|
def test0(docPath):
|
|
# make the test fonts and a test document
|
|
testFontPath = os.path.join(os.getcwd(), "automatic_testfonts")
|
|
m1, m2, i1, i2, i3 = makeTestFonts(testFontPath)
|
|
d = DesignSpaceProcessor()
|
|
a = AxisDescriptor()
|
|
a.name = "pop"
|
|
a.minimum = 50
|
|
a.maximum = 1000
|
|
a.default = 0
|
|
a.tag = "pop*"
|
|
d.addAxis(a)
|
|
s1 = SourceDescriptor()
|
|
s1.path = m1
|
|
s1.location = dict(pop=a.minimum)
|
|
s1.name = "test.master.1"
|
|
s1.copyInfo = True
|
|
s1.copyFeatures = True
|
|
d.addSource(s1)
|
|
s2 = SourceDescriptor()
|
|
s2.path = m2
|
|
s2.location = dict(pop=1000)
|
|
s2.name = "test.master.2"
|
|
#s2.copyInfo = True
|
|
d.addSource(s2)
|
|
|
|
for counter in range(3):
|
|
factor = counter / 2
|
|
i = InstanceDescriptor()
|
|
v = a.minimum+factor*(a.maximum-a.minimum)
|
|
i.path = i1%v
|
|
i.familyName = "TestFamily"
|
|
i.styleName = "TestStyle_pop%3.3f"%(v)
|
|
i.name = "%s-%s"%(i.familyName, i.styleName)
|
|
i.location = dict(pop=v)
|
|
i.info = True
|
|
i.kerning = True
|
|
if counter == 2:
|
|
i.glyphs['glyphTwo'] = dict(name="glyphTwo", mute=True)
|
|
d.addInstance(i)
|
|
d.write(docPath)
|
|
|
|
def test1(docPath):
|
|
# execute the test document
|
|
d = DesignSpaceProcessor()
|
|
d.read(docPath)
|
|
d.generateUFO()
|
|
|
|
def testSwap(docPath):
|
|
srcPath, dstPath = makeSwapFonts(os.path.dirname(docPath))
|
|
|
|
f = Font(srcPath)
|
|
swapGlyphNames(f, "narrow", "wide")
|
|
f.info.styleName = "Swapped"
|
|
f.save(dstPath)
|
|
|
|
# test the results in newly opened fonts
|
|
old = Font(srcPath)
|
|
new = Font(dstPath)
|
|
assert new.kerning.get(("narrow", "narrow")) == old.kerning.get(("wide","wide"))
|
|
assert new.kerning.get(("wide", "wide")) == old.kerning.get(("narrow","narrow"))
|
|
# after the swap these widths should be the same
|
|
assert old['narrow'].width == new['wide'].width
|
|
assert old['wide'].width == new['narrow'].width
|
|
# The following test may be a bit counterintuitive:
|
|
# the rule swaps the glyphs, but we do not want glyphs that are not
|
|
# specifically affected by the rule to *appear* any different.
|
|
# So, components have to be remapped.
|
|
assert new['wide.component'].components[0].baseGlyph == "narrow"
|
|
assert new['narrow.component'].components[0].baseGlyph == "wide"
|
|
|
|
selfTest = True
|
|
if selfTest:
|
|
testRoot = os.path.join(os.getcwd(), "automatic_testfonts")
|
|
if os.path.exists(testRoot):
|
|
shutil.rmtree(testRoot)
|
|
docPath = os.path.join(testRoot, "automatic_test.designspace")
|
|
test0(docPath)
|
|
test1(docPath)
|
|
testSwap(docPath)
|