def EpsFile(self, data, trafo, relative_filename = 1):
write = self.file.write
write('eps(')
if trafo.matrix() != IdentityMatrix:
write('(%g,%g,%g,%g,%g,%g)' % trafo.coeff())
else:
write('(%g,%g)' % (trafo.v1, trafo.v2))
filename = data.Filename()
if self.directory and relative_filename:
filename = relpath(self.directory, filename)
write(',%s)\n' % `filename`)
def write_image(self, image, relative_filename = 1):
write = self.file.write
if not self.saved_ids.has_key(id(image)):
imagefile = image.Filename()
if not imagefile:
from streamfilter import Base64Encode
write('bm(%d)\n' % id(image))
file = Base64Encode(self.file)
image.image.save(file, 'PPM')
file.close()
write('-\n')
else:
if self.directory and relative_filename:
imagefile = relpath(self.directory, imagefile)
write('bm(%d,%s)\n' % (id(image), `imagefile`))
self.saved_ids[id(image)] = image