def write(
self,
outfile,
group,
visible=(0.0, 0.0, 500.0, 500.0),
size=(500, 500),
bgcolor=(0, 0, 0),
win=None,
scale=(1.0, 1.0),
):
"""print out svg code"""
# get camera properties
if win != None:
visible = win.get_visible()
size = win.get_size()
bgcolor = win.get_bgcolor()
(x, y, x2, y2) = visible
(width, height) = size
# determine camera transform
boxWidth = x2 - x
boxHeight = y2 - y
self.scalex = width / boxWidth
self.scaley = height / boxHeight
self.s = scale # prescale
self.out = outfile
self.curcolor = [1, 1, 1, 1]
print >> self.out, svgHeader
print >> self.out, svgTag % (width, height)
print >> self.out, "<g style='font-family: courier'>"
print >> self.out, "<g transform='translate(0, %d)'>" % (height)
print >> self.out, "<g transform='scale(1, -1)'>"
print >> self.out, "<rect x='0' y='0' width='%d' height='%d' fill='%s'/>" % (
width,
height,
color2string(bgcolor),
)
# transform camera
print >> outfile, "<g transform='scale(%f, %f)'>" % (self.scalex / self.s[0], self.scaley / self.s[1])
print >> outfile, "<g transform='translate(%d, %d)'>" % (self.s[0] * -x, self.s[1] * -y)
print >> outfile, "<g stroke-width='%f'>" % (1 / max(self.scalex * self.s[0], self.scaley * self.s[1]))
mat = transform.makeTransMatrix((x, y))
self.trans.append(transform.multMatrix(mat, self.trans[-1]))
mat = transform.makeScaleMatrix((self.scalex, self.scaley))
self.trans.append(transform.multMatrix(mat, self.trans[-1]))
self.printElm(group)
print >> self.out, "</g></g></g>"
print >> self.out, "</g></g></g>"
print >> self.out, svgEndTag
def pushTransform(self, elm):
c = elm.get()[1:]
if isinstance(elm, translate):
mat = transform.makeTransMatrix(c)
elif isinstance(elm, scale):
mat = transform.makeScaleMatrix(c)
elif isinstance(elm, rotate):
mat = transform.makeRotateMatrix(c[0], [0, 0])
elif isinstance(elm, flip):
mat = transform.makeFlipMatrix(c)
else:
mat = transform.makeIdentityMatrix()
# should this be flipped?
self.trans.append(transform.multMatrix(mat, self.trans[-1]))
