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cleaning up; colors working, pen round

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This commit is contained in:
Adam Mayer 2017-12-21 22:03:45 -05:00
parent 8b7ac96134
commit 798e5f55bd
1 changed files with 16 additions and 14 deletions
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30
apple410/plot_to_cairo.py
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@ -9,11 +9,11 @@ def coordlist(line,expected=-1):
assert len(l) == expected
return l
#pens = [
# svgwrite.rgb(0, 0, 0, '%'),
# svgwrite.rgb(100, 0, 0, '%'),
# svgwrite.rgb(0, 100, 0, '%'),
# svgwrite.rgb(0, 0, 100, '%') ]
pens = [
(0, 0, 0),
(100, 0, 0),
(0, 100, 0),
(0, 0, 100) ]
# Default W/H
W = 2394
@ -32,10 +32,8 @@ class CairoPlotter:
self.window = (0, 0, W, H)
self.text_theta = 0
self.text_size = 1
#self.pos = (0,0)
#self.clip = None
#self.clipno = 0
self.in_path = False
self.update_ctm()
# A quick review of coordinate systems:
@ -61,9 +59,12 @@ class CairoPlotter:
self.context.set_font_matrix(m.multiply(m2))
def finish_path(self):
if self.in_path:
self.context.stroke_preserve()
self.in_path = False
cp = self.context.get_current_point()
self.context.save()
self.context.set_matrix(cairo.Matrix())
self.context.stroke()
self.context.restore()
self.context.move_to(cp[0],cp[1])
def vp(self, params):
l=coordlist(params,4)
@ -86,14 +87,12 @@ class CairoPlotter:
def da(self, params):
l=coordlist(params)
self.in_path = True
while len(l) > 0:
x, y, l = l[0],l[1],l[2:]
self.context.line_to(x,y)
def dr(self, params):
l=coordlist(params)
self.in_path = True
while len(l) > 0:
x, y, l = l[0],l[1],l[2:]
p=self.context.get_current_point()
@ -115,8 +114,9 @@ class CairoPlotter:
if len(l) > 3:
p=(l[3],l[4])
else:
p=self.pos
t2, t1 = math.radians(l[1]),math.radians(l[2])
p=self.context.get_current_point()
t1, t2 = math.radians(l[1]),math.radians(l[2])
self.context.new_sub_path()
self.context.arc(p[0],p[1],r,t1,t2)
def lr(self,params):
@ -130,6 +130,8 @@ class CairoPlotter:
def ps(self,params):
self.finish_path()
self.pennum = int(params) - 1
p = self.pennum
self.context.set_source_rgb(pens[p][0],pens[p][1],pens[p][2])
def pl(self,params):
self.finish_path()