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support curves in Draft.getSVG()

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curves with a degree<=3 will be converted to bezier segments
curves with a higher degree are discretized
This commit is contained in:
Sebastian Hoogen 2014-01-15 22:07:42 +01:00
parent 5a4b4da59f
commit e9201cc9d6
1 changed files with 20 additions and 1 deletions
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21
src/Mod/Draft/Draft.py
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@ -1531,9 +1531,28 @@ def getSVG(obj,scale=1,linewidth=0.35,fontsize=12,fillstyle="shape color",direct
svg += 'A ' + str(r) + ' ' + str(r) + ' '
svg += '0 ' + str(int(flag_large_arc)) + ' ' + str(int(flag_sweep)) + ' '
svg += str(v.x) + ' ' + str(v.y) + ' '
else:
elif DraftGeomUtils.geomType(e) == "Line":
v = getProj(e.Vertexes[-1].Point)
svg += 'L '+ str(v.x) +' '+ str(v.y) + ' '
else:
bspline=e.Curve.toBSpline()
if bsp.Degree <= 3:
for bezierseg in bspline.toBezier():
if bezierseg.Degree>3: #should not happen
raise AssertionError
elif bezierseg.Degree==1:
svg +='L '
elif bezierseg.Degree==2:
svg +='Q '
elif bezierseg.Degree==3:
svg +='C '
for pole in bezierseg.getPoles()[1:]:
v = getProj(pole)
svg += str(v.x) +' '+ str(v.y) + ' '
else:
for linepoint in bspline.discretize(0.1)[1:]:
v = getProj(linepoint)
svg += 'L '+ str(v.x) +' '+ str(v.y) + ' '
if fill != 'none': svg += 'Z '
svg += '" '
svg += 'stroke="' + stroke + '" '