def spikeGlyph(aGlyph, segmentLength=20, spikeLength=40, patternFunc=None): """Add narly spikes or dents to the glyph. patternFunc is an optional function which recalculates the offset.""" from math import atan2, sin, cos, pi new = _RGlyph() new.appendGlyph(aGlyph) new.width = aGlyph.width if len(new.contours) == 0: return flattenGlyph(new, segmentLength, segmentLines=True) for contour in new: l = len(contour.points) lastAngle = None for i in range(0, len(contour.points), 2): prev = contour.points[i-1] cur = contour.points[i] next = contour.points[(i+1)%l] angle = atan2(prev.x - next.x, prev.y - next.y) lastAngle = angle if patternFunc is not None: thisSpikeLength = patternFunc(spikeLength) else: thisSpikeLength = spikeLength cur.x -= sin(angle+.5*pi)*thisSpikeLength cur.y -= cos(angle+.5*pi)*thisSpikeLength new.update() aGlyph.clear() aGlyph.appendGlyph(new) aGlyph.update() return aGlyph
def spikeGlyph(aGlyph, segmentLength=20, spikeLength=40, patternFunc=None):
"""Add narly spikes or dents to the glyph.
patternFunc is an optional function which recalculates the offset."""
from math import atan2, sin, cos, pi
new = _RGlyph()
new.appendGlyph(aGlyph)
new.width = aGlyph.width
if len(new.contours) == 0:
return
flattenGlyph(new, segmentLength, segmentLines=True)
for contour in new:
l = len(contour.points)
lastAngle = None
for i in range(0, len(contour.points), 2):
prev = contour.points[i - 1]
cur = contour.points[i]
next = contour.points[(i + 1) % l]
angle = atan2(prev.x - next.x, prev.y - next.y)
lastAngle = angle
if patternFunc is not None:
thisSpikeLength = patternFunc(spikeLength)
else:
thisSpikeLength = spikeLength
cur.x -= sin(angle + .5 * pi) * thisSpikeLength
cur.y -= cos(angle + .5 * pi) * thisSpikeLength
new.update()
aGlyph.clear()
aGlyph.appendGlyph(new)
aGlyph.update()
return aGlyph
def makeTestGlyph():
g = _RGlyph()
pen = g.getPen()
pen.moveTo((100, 100))
pen.lineTo((800, 100))
pen.curveTo((1000, 300), (1000, 600), (800, 800))
pen.lineTo((100, 800))
pen.lineTo((100, 100))
pen.closePath()
return g
def thresholdGlyph(aGlyph, threshold=10): from robofab.pens.adapterPens import PointToSegmentPen new = _RGlyph() filterpen = ThresholdPen(new.getPen(), threshold) wrappedPen = PointToSegmentPen(filterpen) aGlyph.drawPoints(wrappedPen) aGlyph.clear() aGlyph.appendGlyph(new) aGlyph.update() return aGlyph
def makeTestGlyph(): g = _RGlyph() pen = g.getPen() pen.moveTo((100, 100)) pen.lineTo((800, 100)) pen.curveTo((1000, 300), (1000, 600), (800, 800)) pen.lineTo((100, 800)) pen.lineTo((100, 100)) pen.closePath() return g
def thresholdGlyph(aGlyph, threshold=10):
from robofab.pens.adapterPens import PointToSegmentPen
new = _RGlyph()
filterpen = ThresholdPen(new.getPen(), threshold)
wrappedPen = PointToSegmentPen(filterpen)
aGlyph.drawPoints(wrappedPen)
aGlyph.clear()
aGlyph.appendGlyph(new)
aGlyph.update()
return aGlyph
def thresholdGlyphPointPen(aGlyph, threshold=10):
""" Same a thresholdGlyph, but using the ThresholdPointPen, which should respect anchors."""
from robofab.pens.adapterPens import PointToSegmentPen
new = _RGlyph()
wrappedPen = new.getPointPen()
filterpen = ThresholdPointPen(wrappedPen, threshold)
aGlyph.drawPoints(filterpen)
aGlyph.clear()
new.drawPoints(aGlyph.getPointPen())
aGlyph.update()
return aGlyph
def thresholdGlyph(aGlyph, threshold=10): """ Convenience function that handles the filtering. """ from robofab.pens.adapterPens import PointToSegmentPen new = _RGlyph() filterpen = ThresholdPen(new.getPen(), threshold) wrappedPen = PointToSegmentPen(filterpen) aGlyph.drawPoints(wrappedPen) aGlyph.clear() aGlyph.appendGlyph(new) aGlyph.update() return aGlyph
def thresholdGlyph(aGlyph, threshold=10):
""" Convenience function that handles the filtering. """
from robofab.pens.adapterPens import PointToSegmentPen
new = _RGlyph()
filterpen = ThresholdPen(new.getPen(), threshold)
wrappedPen = PointToSegmentPen(filterpen)
aGlyph.drawPoints(wrappedPen)
aGlyph.clear()
aGlyph.appendGlyph(new)
aGlyph.update()
return aGlyph
def thresholdGlyphPointPen(aGlyph, threshold=10): """ Same a thresholdGlyph, but using the ThresholdPointPen, which should respect anchors.""" from robofab.pens.adapterPens import PointToSegmentPen new = _RGlyph() wrappedPen = new.getPointPen() filterpen = ThresholdPointPen(wrappedPen, threshold) aGlyph.drawPoints(filterpen) aGlyph.clear() new.drawPoints(aGlyph.getPointPen()) aGlyph.update() return aGlyph
def thresholdGlyph(aGlyph, threshold=10):
"""Convenience function that applies the **ThresholdPen** to a glyph. Returns a new glyph object (from objectsRF.RGlyph)."""
from robofab.pens.adapterPens import PointToSegmentPen
new = _RGlyph()
filterpen = ThresholdPen(new.getPen(), threshold)
wrappedPen = PointToSegmentPen(filterpen)
aGlyph.drawPoints(wrappedPen)
aGlyph.clear()
aGlyph.appendGlyph(new)
aGlyph.update()
return aGlyph
def thresholdGlyph(aGlyph, threshold=10): """Convenience function that applies the **ThresholdPen** to a glyph. Returns a new glyph object (from objectsRF.RGlyph).""" from robofab.pens.adapterPens import PointToSegmentPen new = _RGlyph() filterpen = ThresholdPen(new.getPen(), threshold) wrappedPen = PointToSegmentPen(filterpen) aGlyph.drawPoints(wrappedPen) aGlyph.clear() aGlyph.appendGlyph(new) aGlyph.update() return aGlyph
def flattenGlyph(aGlyph, threshold=10, segmentLines=True):
"""Convenience function that applies the **FlattenPen** pen to a glyph. Returns a new glyph object."""
from robofab.pens.adapterPens import PointToSegmentPen
if len(aGlyph.contours) == 0:
return
new = _RGlyph()
writerPen = new.getPen()
filterpen = FlattenPen(writerPen, threshold, segmentLines)
wrappedPen = PointToSegmentPen(filterpen)
aGlyph.drawPoints(wrappedPen)
aGlyph.clear()
aGlyph.appendGlyph(new)
aGlyph.update()
return aGlyph
def flattenGlyph(aGlyph, threshold=10, segmentLines=True):
"""Replace curves with series of straight l ines."""
from robofab.pens.adapterPens import PointToSegmentPen
if len(aGlyph.contours) == 0:
return
new = _RGlyph()
writerPen = new.getPen()
filterpen = FlattenPen(writerPen, threshold, segmentLines)
wrappedPen = PointToSegmentPen(filterpen)
aGlyph.drawPoints(wrappedPen)
aGlyph.clear()
aGlyph.appendGlyph(new)
aGlyph.update()
return aGlyph
def flattenGlyph(aGlyph, threshold=10, segmentLines=True): """Convenience function that applies the **FlattenPen** pen to a glyph. Returns a new glyph object.""" from robofab.pens.adapterPens import PointToSegmentPen if len(aGlyph.contours) == 0: return new = _RGlyph() writerPen = new.getPen() filterpen = FlattenPen(writerPen, threshold, segmentLines) wrappedPen = PointToSegmentPen(filterpen) aGlyph.drawPoints(wrappedPen) aGlyph.clear() aGlyph.appendGlyph(new) aGlyph.update() return aGlyph
def flattenGlyph(aGlyph, threshold=10, segmentLines=True): """Replace curves with series of straight l ines.""" from robofab.pens.adapterPens import PointToSegmentPen if len(aGlyph.contours) == 0: return new = _RGlyph() writerPen = new.getPen() filterpen = FlattenPen(writerPen, threshold, segmentLines) wrappedPen = PointToSegmentPen(filterpen) aGlyph.drawPoints(wrappedPen) aGlyph.clear() aGlyph.appendGlyph(new) aGlyph.update() return aGlyph
def copy(self, aParent=None):
"""Make a copy of this glyph.
Note: the copy is not a duplicate fontlab glyph, but
a RF RGlyph with the same outlines. The new glyph is
not part of the fontlab font in any way. Use font.appendGlyph(glyph)
to get it in a FontLab glyph again."""
from robofab.objects.objectsRF import RGlyph as _RGlyph
newGlyph = _RGlyph()
newGlyph.appendGlyph(self)
for attr in GLYPH_COPY_ATTRS:
value = getattr(self, attr)
setattr(newGlyph, attr, value)
parent = self.getParent()
if aParent is not None:
newGlyph.setParent(aParent)
elif self.getParent() is not None:
newGlyph.setParent(self.getParent())
return newGlyph
def copy(self, aParent=None):
"""Make a copy of this glyph.
Note: the copy is not a duplicate fontlab glyph, but
a RF RGlyph with the same outlines. The new glyph is
not part of the fontlab font in any way. Use font.appendGlyph(glyph)
to get it in a FontLab glyph again."""
from robofab.objects.objectsRF import RGlyph as _RGlyph
newGlyph = _RGlyph()
newGlyph.appendGlyph(self)
for attr in GLYPH_COPY_ATTRS:
value = getattr(self, attr)
setattr(newGlyph, attr, value)
parent = self.getParent()
if aParent is not None:
newGlyph.setParent(aParent)
elif self.getParent() is not None:
newGlyph.setParent(self.getParent())
return newGlyph
from robofab.world import CurrentFont
# We need to import a class with a different
# implementation for the glyph object.
# It looks a bit odd, but this is how it is done
from robofab.objects.objectsRF import RGlyph as _RGlyph
f = CurrentFont()
# pick two compatible glyphs as masters
m1 = f["A"]
m2 = f["B"]
# make a new glyph object from this other glyph class
g = _RGlyph()
# interpolation factor which is bound to make floats
oddFactor = 0.2382345
# go!
g.interpolate(oddFactor, m1, m2)
# let's have a look at the raw results
for contour in g:
for pt in contour.points:
print "float", pt.x, pt.y
# a glyph can round itself off:
g.round()
def _getMathDestination(self):
from robofab.objects.objectsRF import RGlyph as _RGlyph
return _RGlyph()
def _getMathDestination(self):
from robofab.objects.objectsRF import RGlyph as _RGlyph
return _RGlyph()
def _makeFlat(aGlyph, segmentLength = 10): """Helper function to flatten the glyph with a given approximate segment length.""" new = _RGlyph() filterpen = FlattenPen(aGlyph, new.getPen(), segmentLength) aGlyph.draw(filterpen) return new
def _makeFlat(aGlyph, segmentLength=10):
"""Helper function to flatten the glyph with a given approximate segment length."""
new = _RGlyph()
filterpen = FlattenPen(aGlyph, new.getPen(), segmentLength)
aGlyph.draw(filterpen)
return new
