from java.awt.geom import AffineTransform
from array import array
# 2D point
x = 10
y = 40
# Affine transformation
# https://docs.oracle.com/javase/1.5.0/docs/api/java/awt/geom/AffineTransform.html
# https://darkpgmr.tistory.com/79
# [ x'] [ m00 m01 m02 ] [ x ] [ m00x + m01y + m02 ]
# [ y'] = [ m10 m11 m12 ] [ y ] = [ m10x + m11y + m12 ]
# [ 1 ] [ 0 0 1 ] [ 1 ] [ 1 ]
# AffineTransform(float m00, float m10, float m01, float m11, float m02, float m12)
aff = AffineTransform(1, 0, 0, 1, 45, 56)
# Create a point as a list of x, y
p = [x, y]
# transform(float[] srcPts, int srcOff, float[] dstPts, int dstOff, int numPts)
aff.transform(p, 0, p, 0, 1)
print "p=", p # 그대로 [10, 40]. update 안됨.LookupError
# Create a point as a native float array of x, y
q = array('f', [x, y])
aff.transform(q, 0, q, 0, 1)
print "q=", q
