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Draft: Better method to project arcs to SVG - issue #1612

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This commit is contained in:
Yorik van Havre 2016-11-02 17:06:48 -02:00
parent 1ad6d8004e
commit 64a7b9e129
1 changed files with 9 additions and 4 deletions
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13
src/Mod/Draft/Draft.py
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@ -1764,8 +1764,9 @@ def getSVG(obj,scale=1,linewidth=0.35,fontsize=12,fillstyle="shape color",direct
else:
stroke = getrgb(color)
elif gui:
if hasattr(obj.ViewObject,"LineColor"):
stroke = getrgb(obj.ViewObject.LineColor)
if hasattr(obj,"ViewObject"):
if hasattr(obj.ViewObject,"LineColor"):
stroke = getrgb(obj.ViewObject.LineColor)
def getLineStyle():
"returns a linestyle"
@ -1879,9 +1880,13 @@ def getSVG(obj,scale=1,linewidth=0.35,fontsize=12,fillstyle="shape color",direct
if plane: drawing_plane_normal = plane.axis
flag_large_arc = (((e.ParameterRange[1] - \
e.ParameterRange[0]) / math.pi) % 2) > 1
flag_sweep = (c.Axis * drawing_plane_normal >= 0) \
== (e.LastParameter > e.FirstParameter)
#flag_sweep = (c.Axis * drawing_plane_normal >= 0) \
# == (e.LastParameter > e.FirstParameter)
# == (e.Orientation == "Forward")
# other method: check the direction of the angle between tangents
t1 = e.tangentAt(e.FirstParameter)
t2 = e.tangentAt(e.FirstParameter + (e.LastParameter-e.FirstParameter)/10)
flag_sweep = (DraftVecUtils.angle(t1,t2,drawing_plane_normal) < 0)
for v in endpoints:
edata += 'A %s %s %s %s %s %s %s ' % \
(str(rx),str(ry),str(rot),\