def condenseGlyph(glyph, scale=.8, stemWidth=185):
ga, subsegments = segmentGlyph(glyph, 25)
va, e = glyphToMesh(ga)
n = len(va)
normals = edgeNormals(va, e)
cn = va.dot(np.array([[scale, 0], [0, 1]]))
grad = mapEdges(lambda a, (p, n): normalize(p - a), cn, e)
# ograd = mapEdges(lambda a,(p,n): normalize(p-a), va, e)
cn[:, 0] -= normals[:, 0] * stemWidth * .5 * (1 - scale)
out = recompose(cn, grad, e, smooth=.5)
# out = recompose(out, grad, e, smooth=.1)
out = recompose(out, grad, e, smooth=.01)
# cornerWeights = mapEdges(lambda a,(p,n): normalize(p-a).dot(normalize(a-n)), grad, e)[:,0].reshape((-1,1))
# smooth = np.ones((n,1)) * .1
# smooth[cornerWeights < .6] = 10
#
# grad2 = quantizeGradient(grad).astype(float)
# grad2 = copyGradDetails(grad, grad2, e, scale=10)
# grad2 = mapEdges(lambda a,e: normalize(a), grad2, e)
# out = recompose(out, grad2, e, smooth=smooth)
out[:, 0] += 15
out[:, 1] = va[:, 1]
# out = recompose(out, grad, e, smooth=.5)
gOut = meshToGlyph(out, ga)
gOut = fitGlyph(glyph, gOut, subsegments)
for i, seg in enumerate(gOut):
gOut[i].points[0].y = glyph[i].points[0].y
return gOut
def italicize(glyph, angle=12, stemWidth=180, xoffset=-50):
CURVE_CORRECTION_WEIGHT = .03
CORNER_WEIGHT = 10
# decompose the glyph into smaller segments
ga, subsegments = segmentGlyph(glyph, 25)
va, e = glyphToMesh(ga)
n = len(va)
grad = mapEdges(lambda a, (p, n): normalize(p - a), va, e)
cornerWeights = mapEdges(
lambda a, (p, n): normalize(p - a).dot(normalize(a - n)), grad,
e)[:, 0].reshape((-1, 1))
smooth = np.ones((n, 1)) * CURVE_CORRECTION_WEIGHT
controlPoints = findControlPointsInMesh(glyph, va, subsegments)
smooth[controlPoints > 0] = 1
smooth[cornerWeights < .6] = CORNER_WEIGHT
# smooth[cornerWeights >= .9999] = 1
out = va.copy()
hascurves = False
for c in glyph.contours:
for s in c.segments:
if s.type == "curve":
hascurves = True
break
if hascurves:
break
if stemWidth > 100:
outCorrected = skewMesh(
recompose(skewMesh(out, angle * 1.6), grad, e, smooth=smooth),
-angle * 1.6)
# out = copyMeshDetails(va, out, e, 6)
else:
outCorrected = out
# create a transform for italicizing
normals = edgeNormals(out, e)
center = va + normals * stemWidth * .4
if stemWidth > 130:
center[:, 0] = va[:, 0] * .7 + center[:, 0] * .3
centerSkew = skewMesh(center.dot(np.array([[.97, 0], [0, 1]])), angle * .9)
# apply the transform
out = outCorrected + (centerSkew - center)
out[:, 1] = outCorrected[:, 1]
# make some corrections
smooth = np.ones((n, 1)) * .1
out = alignCorners(glyph, out, subsegments)
out = copyMeshDetails(skewMesh(va, angle), out, e, 7, smooth=smooth)
# grad = mapEdges(lambda a,(p,n): normalize(p-a), skewMesh(outCorrected, angle*.9), e)
# out = recompose(out, grad, e, smooth=smooth)
out = skewMesh(out, angle * .1)
out[:, 0] += xoffset
# out[:,1] = outCorrected[:,1]
out[va[:, 1] == 0, 1] = 0
gOut = meshToGlyph(out, ga)
# gOut.width *= .97
# gOut.width += 10
# return gOut
# recompose the glyph into original segments
return fitGlyph(glyph, gOut, subsegments)
