def extractComposites(glyph):
"""Return a new glyph with outline copies of each composite from the source glyph."""
decomposedComposites = RGlyph()
if len(glyph.components):
font = glyph.getParent()
for comp in reversed(glyph.components):
# obtain source data
baseGlyphName = comp.baseGlyph
baseGlyph = font[baseGlyphName]
t = transform.Transform(*comp.transformation)
# create a temporary glyph on which to draw the decomposed composite
single_decomposedComposite = RGlyph()
decompPen = single_decomposedComposite.getPen()
baseGlyph.draw(decompPen)
single_decomposedComposite.transform(t)
# add single composite to the returned glyph
decomposedComposites.appendGlyph(single_decomposedComposite)
return decomposedComposites
def removeOverlap(glyph):
toRFGlyph = RGlyph()
toRFpen = toRFGlyph.getPen()
glyph.draw(toRFpen)
singleContourGlyph = RGlyph()
singleContourGlyph.width = glyph.width
singleContourGlyph.name = glyph.name
pointPen = singleContourGlyph.getPointPen()
if len(toRFGlyph) > 1:
booleanGlyphs = []
for c in toRFGlyph.contours:
if len(c) > 1:
b = BooleanGlyph()
pen = b.getPen()
c.draw(pen)
booleanGlyphs.append(b)
finalBooleanGlyph = reduce(lambda g1, g2: g1 | g2, booleanGlyphs)
finalBooleanGlyph.drawPoints(pointPen)
else:
glyph.drawPoints(pointPen)
return singleContourGlyph
def extractComposites(glyph):
"""Return a new glyph with outline copies of each composite from the source glyph."""
decomposedComposites = RGlyph()
if len(glyph.components):
font = glyph.getParent()
for comp in reversed(glyph.components):
# obtain source data
baseGlyphName = comp.baseGlyph
baseGlyph = font[baseGlyphName]
t = transform.Transform(*comp.transformation)
# create a temporary glyph on which to draw the decomposed composite
single_decomposedComposite = RGlyph()
decompPen = single_decomposedComposite.getPen()
baseGlyph.draw(decompPen)
single_decomposedComposite.transform(t)
# add single composite to the returned glyph
decomposedComposites.appendGlyph(single_decomposedComposite)
return decomposedComposites
def copyContours(glyph):
glyphCopy = RGlyph()
glyphCopy.width = glyph.width
pen = glyphCopy.getPen()
glyph.draw(pen)
glyphCopy.unicode = glyph.unicode
glyphCopy.name = glyph.name
return glyphCopy
def copyContours(glyph):
glyphCopy = RGlyph()
glyphCopy.width = glyph.width
pen = glyphCopy.getPen()
glyph.draw(pen)
glyphCopy.unicode = glyph.unicode
glyphCopy.name = glyph.name
return glyphCopy
def __call__(self, glyph, font, **arguments):
try:
filteredGlyph = RGlyph()
filteredGlyph.width = glyph.width
drawingPen = filteredGlyph.getPen()
filterPen = self.filterObject(drawingPen, **arguments)
glyph.draw(filterPen)
except:
try:
sourceGlyph = RGlyph()
sourceGlyph.appendGlyph(glyph)
sourceGlyph.width = glyph.width
filteredGlyph = self.filterObject(sourceGlyph, **arguments)
except:
filteredGlyph = ErrorGlyph()
return filteredGlyph
def freezeGlyph(glyph):
"""Return a copy of a glyph, with components decomposed and all overlap removed."""
toRFGlyph = RGlyph()
toRFpen = toRFGlyph.getPen()
glyph.draw(toRFpen)
if len(glyph.components):
decomposedComponents = extractComposites(glyph)
decomposedComponents.draw(toRFpen)
singleContourGlyph = RGlyph()
singleContourGlyph.width = glyph.width
singleContourGlyph.name = glyph.name
pointPen = singleContourGlyph.getPointPen()
if len(toRFGlyph.contours) > 1:
try:
booleanGlyphs = []
for c in toRFGlyph.contours:
if len(c) > 1:
b = BooleanGlyph()
pen = b.getPen()
c.draw(pen)
booleanGlyphs.append(b)
finalBooleanGlyph = reduce(lambda g1, g2: g1 | g2, booleanGlyphs)
finalBooleanGlyph.drawPoints(pointPen)
except:
toRFGlyph.drawPoints(pointPen)
else:
toRFGlyph.drawPoints(pointPen)
return singleContourGlyph
def freezeGlyph(glyph):
"""Return a copy of a glyph, with components decomposed and all overlap removed."""
toRFGlyph = RGlyph()
toRFpen = toRFGlyph.getPen()
glyph.draw(toRFpen)
if len(glyph.components):
decomposedComponents = extractComposites(glyph)
decomposedComponents.draw(toRFpen)
singleContourGlyph = RGlyph()
singleContourGlyph.width = glyph.width
singleContourGlyph.name = glyph.name
pointPen = singleContourGlyph.getPointPen()
if len(toRFGlyph.contours) > 1:
try:
booleanGlyphs = []
for c in toRFGlyph.contours:
if len(c) > 1:
b = BooleanGlyph()
pen = b.getPen()
c.draw(pen)
booleanGlyphs.append(b)
finalBooleanGlyph = reduce(lambda g1, g2: g1 | g2, booleanGlyphs)
finalBooleanGlyph.drawPoints(pointPen)
except:
toRFGlyph.drawPoints(pointPen)
else:
toRFGlyph.drawPoints(pointPen)
return singleContourGlyph
def filterGroup(glyph, font=None, **overrideGlobalArguments):
globalArguments = {self.splitSubfilterArgumentName(argumentName): self.arguments[argumentName] for argumentName in self.arguments}
for key in overrideGlobalArguments:
_subfilterName_, _overrideArgumentName_, _filterOrder_ = self.splitSubfilterArgumentName(key)
if (_subfilterName_, _overrideArgumentName_) != (None, None):
globalArguments[(_subfilterName_, _overrideArgumentName_, _filterOrder_)] = overrideGlobalArguments[key]
subfilters = [(self.getSubfilter(subfilterName), mode, source) for subfilterName, mode, source in self.subfilters]
error = False
canvasGlyph = RGlyph()
canvasPen = canvasGlyph.getPen()
canvasGlyph.width = glyph.width
glyph.draw(canvasPen)
steps = []
for i, (currentFilter, mode, source) in enumerate(subfilters):
if error == True:
continue
if source is None:
sourceGlyph = canvasGlyph
else:
try:
sourceGlyph = steps[source]
except:
layerGlyph = glyph.getLayer(source)
if len(layerGlyph) > 0:
sourceGlyph = RGlyph()
pen = sourceGlyph.getPen()
layerGlyph.draw(pen)
else:
sourceGlyph = canvasGlyph
sourceGlyph.name = glyph.name
arguments = {argumentName: globalArguments[(subfilterName, argumentName, filterOrder)] for subfilterName, argumentName, filterOrder in globalArguments if subfilterName == currentFilter.name and filterOrder == i}
processedGlyph = currentFilter.filterGlyph(sourceGlyph, arguments)
steps.append(processedGlyph)
if mode in ['union', 'difference', 'intersection', 'xor']:
try:
b1 = BooleanGlyph(canvasGlyph)
b2 = BooleanGlyph(processedGlyph)
operation = getattr(b1, mode)
processedGlyph = operation(b2)
except:
error = True
if mode != 'add':
canvasGlyph.clear()
processedGlyph.draw(canvasPen)
if error == True:
canvasGlyph = ErrorGlyph()
elif error == False:
canvasGlyph.name = glyph.name
canvasGlyph.unicode = glyph.unicode
if canvasGlyph.width is None:
canvasGlyph.width = glyph.width
return canvasGlyph
def filterGroup(glyph, font=None, **overrideGlobalArguments):
globalArguments = {
self.splitSubfilterArgumentName(argumentName):
self.arguments[argumentName]
for argumentName in self.arguments
}
for key in overrideGlobalArguments:
_subfilterName_, _overrideArgumentName_, _filterOrder_ = self.splitSubfilterArgumentName(
key)
if (_subfilterName_, _overrideArgumentName_) != (None, None):
globalArguments[(
_subfilterName_, _overrideArgumentName_,
_filterOrder_)] = overrideGlobalArguments[key]
subfilters = [(self.getSubfilter(subfilterName), mode, source)
for subfilterName, mode, source in self.subfilters]
error = False
canvasGlyph = RGlyph()
canvasPen = canvasGlyph.getPen()
canvasGlyph.width = glyph.width
glyph.draw(canvasPen)
steps = []
for i, (currentFilter, mode, source) in enumerate(subfilters):
if error == True:
continue
if not source:
sourceGlyph = canvasGlyph
else:
try:
sourceGlyph = steps[source - 1]
except:
layerGlyph = glyph.getLayer(source)
if len(layerGlyph) > 0:
sourceGlyph = RGlyph()
pen = sourceGlyph.getPen()
layerGlyph.draw(pen)
else:
sourceGlyph = canvasGlyph
sourceGlyph.name = glyph.name
arguments = {
argumentName:
globalArguments[(subfilterName, argumentName, filterOrder)]
for subfilterName, argumentName, filterOrder in
globalArguments
if subfilterName == currentFilter.name and filterOrder == i
}
processedGlyph = currentFilter.filterGlyph(
sourceGlyph, arguments)
if mode in ['union', 'difference', 'intersection', 'xor']:
try:
# collectedComponents = [component for component in processedGlyph.components]
b1 = BooleanGlyph(canvasGlyph)
b2 = BooleanGlyph(processedGlyph)
operation = getattr(b1, mode)
b3 = operation(b2)
processedGlyph = RGlyph()
processedPen = processedGlyph.getPen()
b3.draw(processedPen)
# for component in collectedComponents:
# processedGlyph.appendComponent(component.baseGlyph, component.offset, component.scale)
except:
error = True
steps.append(processedGlyph)
if mode == 'ignore' and len(steps) > 1:
processedGlyph = steps[-2]
elif mode == 'ignore':
processedGlyph = sourceGlyph
if mode != 'add':
canvasGlyph.clear()
processedGlyph.draw(canvasPen)
if processedGlyph.width:
canvasGlyph.width = processedGlyph.width
if error == True:
canvasGlyph = ErrorGlyph()
elif error == False:
cleanPen = FilterPointPen(font)
canvasGlyph.drawPoints(cleanPen)
canvasGlyph.clearContours()
canvasPointPen = canvasGlyph.getPointPen()
cleanPen.extract(canvasPointPen)
canvasGlyph.name = glyph.name
canvasGlyph.unicode = glyph.unicode
if canvasGlyph.width is None:
canvasGlyph.width = glyph.width
return canvasGlyph
def filterGroup(glyph, font=None, **overrideGlobalArguments):
globalArguments = {
self.splitSubfilterArgumentName(argumentName):
self.arguments[argumentName]
for argumentName in self.arguments
}
for key in overrideGlobalArguments:
_subfilterName_, _overrideArgumentName_, _filterOrder_ = self.splitSubfilterArgumentName(
key)
if (_subfilterName_, _overrideArgumentName_) != (None, None):
globalArguments[(
_subfilterName_, _overrideArgumentName_,
_filterOrder_)] = overrideGlobalArguments[key]
subfilters = [(self.getSubfilter(subfilterName), mode, source)
for subfilterName, mode, source in self.subfilters]
error = False
canvasGlyph = RGlyph()
canvasPen = canvasGlyph.getPen()
canvasGlyph.width = glyph.width
glyph.draw(canvasPen)
steps = []
for i, (currentFilter, mode, source) in enumerate(subfilters):
if error == True:
continue
if source is None:
sourceGlyph = canvasGlyph
else:
try:
sourceGlyph = steps[source]
except:
layerGlyph = glyph.getLayer(source)
if len(layerGlyph) > 0:
sourceGlyph = RGlyph()
pen = sourceGlyph.getPen()
layerGlyph.draw(pen)
else:
sourceGlyph = canvasGlyph
sourceGlyph.name = glyph.name
arguments = {
argumentName:
globalArguments[(subfilterName, argumentName, filterOrder)]
for subfilterName, argumentName, filterOrder in
globalArguments
if subfilterName == currentFilter.name and filterOrder == i
}
processedGlyph = currentFilter.filterGlyph(
sourceGlyph, arguments)
steps.append(processedGlyph)
if mode in ['union', 'difference', 'intersection', 'xor']:
try:
b1 = BooleanGlyph(canvasGlyph)
b2 = BooleanGlyph(processedGlyph)
operation = getattr(b1, mode)
processedGlyph = operation(b2)
except:
error = True
if mode != 'add':
canvasGlyph.clear()
processedGlyph.draw(canvasPen)
if error == True:
canvasGlyph = ErrorGlyph()
elif error == False:
canvasGlyph.name = glyph.name
canvasGlyph.unicode = glyph.unicode
if canvasGlyph.width is None:
canvasGlyph.width = glyph.width
return canvasGlyph
def filterGroup(glyph, font=None, **overrideGlobalArguments):
globalArguments = {self.splitSubfilterArgumentName(argumentName): self.arguments[argumentName] for argumentName in self.arguments}
for key in overrideGlobalArguments:
_subfilterName_, _overrideArgumentName_, _filterOrder_ = self.splitSubfilterArgumentName(key)
if (_subfilterName_, _overrideArgumentName_) != (None, None):
globalArguments[(_subfilterName_, _overrideArgumentName_, _filterOrder_)] = overrideGlobalArguments[key]
subfilters = [(self.getSubfilter(subfilterName), mode, source) for subfilterName, mode, source in self.subfilters]
error = False
canvasGlyph = RGlyph()
canvasPen = canvasGlyph.getPen()
canvasGlyph.width = glyph.width
glyph.draw(canvasPen)
steps = []
for i, (currentFilter, mode, source) in enumerate(subfilters):
if error == True:
continue
if not source:
sourceGlyph = canvasGlyph
else:
try:
sourceGlyph = steps[source-1]
except:
layerGlyph = glyph.getLayer(source)
if len(layerGlyph) > 0:
sourceGlyph = RGlyph()
pen = sourceGlyph.getPen()
layerGlyph.draw(pen)
else:
sourceGlyph = canvasGlyph
sourceGlyph.name = glyph.name
arguments = {argumentName: globalArguments[(subfilterName, argumentName, filterOrder)] for subfilterName, argumentName, filterOrder in globalArguments if subfilterName == currentFilter.name and filterOrder == i}
processedGlyph = currentFilter.filterGlyph(sourceGlyph, arguments)
if mode in ['union', 'difference', 'intersection', 'xor']:
try:
# collectedComponents = [component for component in processedGlyph.components]
b1 = BooleanGlyph(canvasGlyph)
b2 = BooleanGlyph(processedGlyph)
operation = getattr(b1, mode)
b3 = operation(b2)
processedGlyph = RGlyph()
processedPen = processedGlyph.getPen()
b3.draw(processedPen)
# for component in collectedComponents:
# processedGlyph.appendComponent(component.baseGlyph, component.offset, component.scale)
except:
error = True
steps.append(processedGlyph)
if mode == 'ignore' and len(steps) > 1:
processedGlyph = steps[-2]
elif mode == 'ignore':
processedGlyph = sourceGlyph
if mode != 'add':
canvasGlyph.clear()
processedGlyph.draw(canvasPen)
if processedGlyph.width:
canvasGlyph.width = processedGlyph.width
if error == True:
canvasGlyph = ErrorGlyph()
elif error == False:
cleanPen = FilterPointPen(font)
canvasGlyph.drawPoints(cleanPen)
canvasGlyph.clearContours()
canvasPointPen = canvasGlyph.getPointPen()
cleanPen.extract(canvasPointPen)
canvasGlyph.name = glyph.name
canvasGlyph.unicode = glyph.unicode
if canvasGlyph.width is None:
canvasGlyph.width = glyph.width
return canvasGlyph
