def drawPoints(self, pointPen):
if self.drawInner:
reversePen = ReverseContourPointPen(pointPen)
self.innerGlyph.drawPoints(CleanPointPen(reversePen))
if self.drawOuter:
self.outerGlyph.drawPoints(CleanPointPen(pointPen))
if self.drawOriginal:
if self.drawOuter:
pointPen = ReverseContourPointPen(pointPen)
self.originalGlyph.drawPoints(CleanPointPen(pointPen))
def drawPoints(self, pointPen):
if self.drawInner:
reversePen = ReverseContourPointPen(pointPen)
self.innerGlyph.drawPoints(CleanPointPen(reversePen))
if self.drawOuter:
self.outerGlyph.drawPoints(CleanPointPen(pointPen))
if self.drawOriginal:
if self.drawOuter:
pointPen = ReverseContourPointPen(pointPen)
self.originalGlyph.drawPoints(CleanPointPen(pointPen))
for glyphName, transform in self.components:
pointPen.addComponent(glyphName, transform)
def drawPoints(self, pointPen):
if self.drawInner:
reversePen = ReverseContourPointPen(pointPen)
self.innerGlyph.drawPoints(CleanPointPen(reversePen))
if self.drawOuter:
self.outerGlyph.drawPoints(CleanPointPen(pointPen))
if self.drawOriginal:
if self.drawOuter:
pointPen = ReverseContourPointPen(pointPen)
self.originalGlyph.drawPoints(CleanPointPen(pointPen))
for glyphName, transform in self.components:
pointPen.addComponent(glyphName, transform)
def testReverseContourOpenPath(self):
digestPen = DigestPointPen()
TestShapes.openPath(digestPen)
d1 = digestPen.getDigest()
digestPen = DigestPointPen()
pen = ReverseContourPointPen(digestPen)
pen.beginPath()
pen.addPoint((600, 100), "move")
pen.addPoint((600, 600), "line")
pen.addPoint((100, 600), "line")
pen.addPoint((100, 100), "line")
pen.endPath()
d2 = digestPen.getDigest()
self.assertEqual(d1, d2)
def reverse(self):
"""
Reverse the direction of the contour. It's important to note
that the actual points stored in this object will be completely
repalced by new points.
This will post *Contour.WindingDirectionChanged*,
*Contour.PointsChanged* and *Contour.Changed* notifications.
"""
from robofab.pens.reverseContourPointPen import ReverseContourPointPen
oldDirection = self.clockwise
# put the current points in another contour
otherContour = self.__class__(glyph=None, pointClass=self.pointClass)
# draw the points in this contour through
# the reversing pen.
reversePen = ReverseContourPointPen(otherContour)
self.drawPoints(reversePen)
# clear the points in this contour
self._clear(postNotification=False)
# draw the points back into this contour
self.disableNotifications()
otherContour.drawPoints(self)
self.enableNotifications()
# post a notification
self.postNotification("Contour.WindingDirectionChanged", data=dict(oldValue=oldDirection, newValue=self.clockwise))
self.postNotification("Contour.PointsChanged")
self.dirty = True
def reverseContours(glyph):
glyphCopy = RGlyph()
glyphCopy.width = glyph.width
pointPen = glyphCopy.getPointPen()
reversePen = ReverseContourPointPen(pointPen)
glyph.drawPoints(reversePen)
return glyphCopy
def testReverseContourOpenPath(self): digestPen = DigestPointPen() TestShapes.openPath(digestPen) d1 = digestPen.getDigest() digestPen = DigestPointPen() pen = ReverseContourPointPen(digestPen) pen.beginPath() pen.addPoint((600, 100), "move") pen.addPoint((600, 600), "line") pen.addPoint((100, 600), "line") pen.addPoint((100, 100), "line") pen.endPath() d2 = digestPen.getDigest() self.assertEqual(d1, d2)
def testReversContourFromGlyphSet(self):
glyphSet = GlyphSet(getDemoFontGlyphSetPath())
digestPen = DigestPointPen()
glyphSet["testglyph1"].drawPoints(digestPen)
digest1 = digestPen.getDigest()
digestPen = DigestPointPen()
pen = ReverseContourPointPen(digestPen)
glyphSet["testglyph1.reversed"].drawPoints(pen)
digest2 = digestPen.getDigest()
self.assertEqual(digest1, digest2)
def reverseContour(self):
"""reverse the contour"""
from robofab.pens.reverseContourPointPen import ReverseContourPointPen
index = self.index
glyph = self.getParent()
pen = glyph.getPointPen()
reversePen = ReverseContourPointPen(pen)
self.drawPoints(reversePen)
# we've drawn the reversed contour onto our parent glyph,
# so it sits at the end of the contours list:
newContour = glyph.contours.pop(-1)
for segment in newContour.segments:
segment.setParent(self)
self.segments = newContour.segments
self._hasChanged()
def reverse(self):
"""
Reverse the direction of the contour.
This posts a *Contour.Changed* notification.
"""
from robofab.pens.reverseContourPointPen import ReverseContourPointPen
# put the current points in another contour
otherContour = self.__class__(self._pointClass)
# draw the points in this contour through
# the reversing pen.
reversePen = ReverseContourPointPen(otherContour)
self.drawPoints(reversePen)
# clear the points in this contour
# and copy the points from the other
# contour to this contour.
self._clear(postNotification=False)
self._points = list(otherContour._points)
# post a notification
self.dirty = True
def drawShapeWithRectInGlyph(self, shape, rect, glyph):
# draw the shape into the glyph
# tell the glyph something is going to happen (undo is going to be prepared)
glyph.prepareUndo("Drawing Shapes")
# get the pen to draw with
pen = glyph.getPointPen()
if glyph.preferredSegmentType == "qcurve" and not self.shouldReverse:
pen = ReverseContourPointPen(pen)
elif self.shouldReverse:
pen = ReverseContourPointPen(pen)
x, y, w, h = rect
# draw with the pen a rect in the glyph
if shape == "rect":
pen.beginPath()
pen.addPoint(_roundPoint(x, y), "line")
pen.addPoint(_roundPoint(x + w, y), "line")
pen.addPoint(_roundPoint(x + w, y + h), "line")
pen.addPoint(_roundPoint(x, y + h), "line")
pen.endPath()
# draw with the pen an oval in the glyph
elif shape == "oval":
hw = w / 2.
hh = h / 2.
r = .55
segmentType = glyph.preferredSegmentType
if glyph.preferredSegmentType == "qcurve":
r = .42
pen.beginPath()
pen.addPoint(_roundPoint(x + hw, y), segmentType, True)
pen.addPoint(_roundPoint(x + hw + hw * r, y))
pen.addPoint(_roundPoint(x + w, y + hh - hh * r))
pen.addPoint(_roundPoint(x + w, y + hh), segmentType, True)
pen.addPoint(_roundPoint(x + w, y + hh + hh * r))
pen.addPoint(_roundPoint(x + hw + hw * r, y + h))
pen.addPoint(_roundPoint(x + hw, y + h), segmentType, True)
pen.addPoint(_roundPoint(x + hw - hw * r, y + h))
pen.addPoint(_roundPoint(x, y + hh + hh * r))
pen.addPoint(_roundPoint(x, y + hh), segmentType, True)
pen.addPoint(_roundPoint(x, y + hh - hh * r))
pen.addPoint(_roundPoint(x + hw - hw * r, y))
pen.endPath()
# tell the glyph you are done with your actions so it can handle the undo properly
glyph.performUndo()
def convert(glyph, maxDistance, minLength, useArcLength):
nbPoints = 0
conts = []
for contour in glyph:
conts.append([])
cmds = conts[-1]
p0 = getFirstOnPoint(contour)
nseg = len(contour)
prevSeg = contour[nseg - 1]
for s in range(nseg):
seg = contour[s]
if seg.type == 'line':
p1 = seg.points[0]
cmds.append((lineto, p1))
nbPoints += 1
p0 = p1
elif seg.type == 'qcurve':
#print "Should not have quadratic segment in here. Skipping.",
p0 = seg.points[-1]
elif seg.type == 'curve':
p1, p2, p3 = seg.points
pt0 = Point(p0.x, p0.y)
pt1 = Point(p1.x, p1.y)
pt2 = Point(p2.x, p2.y)
pt3 = Point(p3.x, p3.y)
qsegs = []
inputCubic = (pt0, pt1, pt2, pt3)
for cubic in splitCubicOnInflection(inputCubic, minLength):
qsegs = qsegs + adaptiveSmoothCubicSplit(
cubic, maxDistance, minLength, useArcLength)
nbQSegMinusOne = len(qsegs) - 1
smooth = True
for i, qseg in enumerate(qsegs):
# We have to split the quad segment because Robofont does not (seem to) support
# ON-OFF-ON quadratic bezier curves. If ever Robofont can handle this,
# then it would suffice to write something like:
# (a0, a1, a2) = qseg
# cmds.append((curveto, (a1, a2)))
if i == nbQSegMinusOne: smooth = seg.smooth
q1, q2 = qseg
cmds.append((curveto, (q1[1], q2[1], q2[2], smooth)))
#ql, qr = splitQuadratic(0.5, qseg)
#cmds.append((curveto, (ql[1], qr[1], qr[2], smooth)))
nbPoints += 3
p0 = p3
else:
#print "Unknown segment type: "+seg.type+". Skipping.",
p0 = seg.points[-1]
prevSeg = seg
glyph.clearContours()
glyph.preferredSegmentStyle = 'qcurve'
pen = ReverseContourPointPen(glyph.getPointPen())
for cmds in conts:
if cmds == []: continue
pen.beginPath()
for action, args in cmds:
action(pen, args)
pen.endPath()
# Now, we make sure that each contour starts with a ON control point
for contour in glyph:
contour.setStartSegment(0)
glyph.update()
return nbPoints
def drawShapeWithRectInGlyph(self, shape, rect, glyph):
# draw the shape into the glyph
# tell the glyph something is going to happen (undo is going to be prepared)
glyph.prepareUndo("Drawing Shapes")
# get the pen to draw with
pen = glyph.getPointPen()
if glyph.preferredSegmentType == "qcurve" and not self.shouldReverse:
pen = ReverseContourPointPen(pen)
elif self.shouldReverse:
pen = ReverseContourPointPen(pen)
x, y, w, h = rect
# draw with the pen a rect in the glyph
if shape == "rect":
pen.beginPath()
pen.addPoint(_roundPoint(x, y), "line")
pen.addPoint(_roundPoint(x + w, y), "line")
pen.addPoint(_roundPoint(x + w, y + h), "line")
pen.addPoint(_roundPoint(x, y + h), "line")
pen.endPath()
# draw with the pen an oval in the glyph
elif shape == "oval":
hw = w/2.
hh = h/2.
r = .55
segmentType = glyph.preferredSegmentType
if glyph.preferredSegmentType == "qcurve":
r = .42
pen.beginPath()
pen.addPoint(_roundPoint(x + hw, y), segmentType, True)
pen.addPoint(_roundPoint(x + hw + hw*r, y))
pen.addPoint(_roundPoint(x + w, y + hh - hh*r))
pen.addPoint(_roundPoint(x + w, y + hh), segmentType, True)
pen.addPoint(_roundPoint(x + w, y + hh + hh*r))
pen.addPoint(_roundPoint(x + hw + hw*r, y + h))
pen.addPoint(_roundPoint(x + hw, y + h), segmentType, True)
pen.addPoint(_roundPoint(x + hw - hw*r, y + h))
pen.addPoint(_roundPoint(x, y + hh + hh*r))
pen.addPoint(_roundPoint(x, y + hh), segmentType, True)
pen.addPoint(_roundPoint(x, y + hh - hh*r))
pen.addPoint(_roundPoint(x + hw - hw*r, y))
pen.endPath()
# tell the glyph you are done with your actions so it can handle the undo properly
glyph.performUndo()
def makeBlueprint(font):
# copy fg to bg and mark the glyph red if it contains any contours
for name in font:
glyph = font[name]
background = glyph.layers[0]
foreground = glyph.layers[1]
if len(background):
print glyph, 'had a background ({0} contours)'.format(len(background))
# copy fg to bg
glyph.layers[0] = foreground;
if len(foreground):
# Glyphs marked red are the ones that need new outlines
# not red marked glyphs contain only references
glyph.color = 0xff0000
else:
glyph.color = 0xffffff
# This draws a scrambled echo of the original glyphs to the foreground
# so it is easy to spot where work is needed and also still which glyph
# is in which place.
#we are going to draw with cubics
font.layers['Fore'].is_quadratic = False;
for name in font:
glyph = font[name]
width = glyph.width
vwidth = glyph.vwidth
anchorPoints = tuple(glyph.anchorPoints)
newFg = fontforge.layer();
newFg.is_quadratic = False;
glyph.layers[1] = newFg;
background = glyph.background # this creates a copy
if not len(background): continue
# convert the copy to cubics the real background stays quadratics
background.is_quadratic = False
layerPen = glyph.glyphPen() # <= pen will remove more than it should
# outer line of the outline
toSegments = PointToSegmentPen(layerPen)
rand = RandomizePointPen(toSegments, [-7, 7])
moved = MovePointsPointPen(rand, -15, cmath.pi * .5)
points = SegmentToPointPen(moved)
background.draw(points)
# inner line of the outline
toSegments = PointToSegmentPen(layerPen)
rand = RandomizePointPen(toSegments, [-7, 7])
moved = MovePointsPointPen(rand, 15, -cmath.pi * .5)
reverse = ReverseContourPointPen(moved)
points = SegmentToPointPen(reverse)
background.draw(points)
# restore stuff that a pen should rather not change automagically
# in fact, the pen should not reset anything besides outline and components.
glyph.width = width
glyph.vwidth = vwidth
[glyph.addAnchorPoint(*p) for p in anchorPoints]
def addShapeInGlyphForPoint(self, glyph, point):
w = h = self.size
if self.useGrid:
x = int(floor(point.x / float(w))) * w
y = int(floor(point.y / float(h))) * h
else:
x = point.x - w*.5
y = point.y - h*.5
pen = glyph.getPointPen()
if glyph.preferedSegmentType == "qcurve":
pen = ReverseContourPointPen(pen)
if self.drawingMode == RECT_MODE:
pen.beginPath()
pen.addPoint(_roundPoint(x, y), "line")
pen.addPoint(_roundPoint(x + w, y), "line")
pen.addPoint(_roundPoint(x + w, y + h), "line")
pen.addPoint(_roundPoint(x, y + h), "line")
pen.endPath()
elif self.drawingMode == OVAL_MODE:
hw = w/2.
hh = h/2.
r = .55
segmentType = glyph.preferedSegmentType
if glyph.preferedSegmentType == "qcurve":
r = .42
pen.beginPath()
pen.addPoint(_roundPoint(x + hw, y), segmentType)
pen.addPoint(_roundPoint(x + hw + hw*r, y))
pen.addPoint(_roundPoint(x + w, y + hh - hh*r))
pen.addPoint(_roundPoint(x + w, y + hh), segmentType)
pen.addPoint(_roundPoint(x + w, y + hh + hh*r))
pen.addPoint(_roundPoint(x + hw + hw*r, y + h))
pen.addPoint(_roundPoint(x + hw, y + h), segmentType)
pen.addPoint(_roundPoint(x + hw - hw*r, y + h))
pen.addPoint(_roundPoint(x, y + hh + hh*r))
pen.addPoint(_roundPoint(x, y + hh), segmentType)
pen.addPoint(_roundPoint(x, y + hh - hh*r))
pen.addPoint(_roundPoint(x + hw - hw*r, y))
pen.endPath()
elif self.drawingMode == COMPONENT_MODE and self.componentName and self.componentName != glyph.name:
pen.addComponent(self.componentName, [1, 0, 0, 1, x, y])
def addShapeInGlyphForPoint(self, glyph, point):
w = h = self.size
if self.useGrid:
x = int(floor(point.x / float(w))) * w
y = int(floor(point.y / float(h))) * h
else:
x = point.x - w*.5
y = point.y - h*.5
pen = glyph.getPointPen()
if glyph.preferedSegmentType == "qcurve":
pen = ReverseContourPointPen(pen)
if self.drawingMode == RECT_MODE:
pen.beginPath()
pen.addPoint(_roundPoint(x, y), "line")
pen.addPoint(_roundPoint(x + w, y), "line")
pen.addPoint(_roundPoint(x + w, y + h), "line")
pen.addPoint(_roundPoint(x, y + h), "line")
pen.endPath()
elif self.drawingMode == OVAL_MODE:
hw = w/2.
hh = h/2.
r = .55
segmentType = glyph.preferedSegmentType
if glyph.preferedSegmentType == "qcurve":
r = .42
pen.beginPath()
pen.addPoint(_roundPoint(x + hw, y), segmentType)
pen.addPoint(_roundPoint(x + hw + hw*r, y))
pen.addPoint(_roundPoint(x + w, y + hh - hh*r))
pen.addPoint(_roundPoint(x + w, y + hh), segmentType)
pen.addPoint(_roundPoint(x + w, y + hh + hh*r))
pen.addPoint(_roundPoint(x + hw + hw*r, y + h))
pen.addPoint(_roundPoint(x + hw, y + h), segmentType)
pen.addPoint(_roundPoint(x + hw - hw*r, y + h))
pen.addPoint(_roundPoint(x, y + hh + hh*r))
pen.addPoint(_roundPoint(x, y + hh), segmentType)
pen.addPoint(_roundPoint(x, y + hh - hh*r))
pen.addPoint(_roundPoint(x + hw - hw*r, y))
pen.endPath()
elif self.drawingMode == COMPONENT_MODE and self.componentName and self.componentName != glyph.name:
pen.addComponent(self.componentName, [1, 0, 0, 1, x, y])
