def calculate_pathop(pen1, pen2, operation):
if USE_SKIA_PATHOPS:
p1 = Path()
pen1.replay(p1.getPen())
if operation == BooleanOp.Simplify:
# ignore pen2
p1.simplify(fix_winding=True, keep_starting_points=True)
d0 = RecordingPen()
p1.draw(d0)
return d0.value
if pen2:
p2 = Path()
pen2.replay(p2.getPen())
builder = OpBuilder(fix_winding=True, keep_starting_points=True)
builder.add(p1, PathOp.UNION)
if pen2:
builder.add(p2, BooleanOp.Skia(operation))
result = builder.resolve()
d0 = RecordingPen()
result.draw(d0)
return d0.value
else:
bg2 = BooleanGlyph()
if pen2:
pen2.replay(bg2.getPen())
bg = BooleanGlyph()
pen1.replay(bg.getPen())
bg = bg._booleanMath(BooleanOp.BooleanGlyphMethod(operation), bg2)
dp = RecordingPen()
bg.draw(dp)
return dp.value
def removeOverlap(self):
bGlyph = BooleanGlyph(self).removeOverlap()
# TODO: we're halting removeOverlap for collinear vector diffs (changes
# point count, not contour), is this what we want to do?
if len(bGlyph.contours) != len(self):
self.prepareUndo()
self.clearContours()
bGlyph.draw(self.getPen())
self.dirty = True
def removeOverlap(self):
bGlyph = BooleanGlyph(self).removeOverlap()
# TODO: we're halting removeOverlap for collinear vector diffs (changes
# point count, not contour), is this what we want to do?
if len(bGlyph.contours) != len(self):
self.prepareUndo()
self.clearContours()
bGlyph.draw(self.getPen())
self.dirty = True
def mergeContours(glyph):
# remember stuff that get's lost when drawing to a fontforge glyph
width = glyph.width
vwidth = glyph.vwidth
anchorPoints = tuple(glyph.anchorPoints)
# make a defcon glyph
dcGlyph = defcon.Glyph()
dcGlyphPen = dcGlyph.getPen()
# draw to dcGlyph
glyph.draw(dcGlyphPen)
# union of dcGlyph
result = BooleanGlyph(dcGlyph).removeOverlap()
targetPen = glyph.glyphPen()
result.draw(targetPen)
# 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]
