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import unittest
from numpy import array, alltrue, ravel, pi
from kiva import agg
from test_utils import Utils
# UNCOMMENT THIS TO SEE THE IMPORT ISSUES FROM TICKET
# https://svn.enthought.com/enthought/ticket/537 (agg causes python crash during unit tests)
#
#import sys
#module_names = [ name for name in sys.modules.keys() if name.find('agg') >= 0]
#module_names.sort()
#for name in module_names:
# print name, sys.modules[name]
class TestCompiledPath(unittest.TestCase, Utils):
def test_init(self):
path = agg.CompiledPath()
def test_save_restore_ctm0(self):
path = agg.CompiledPath()
path.save_ctm();
path.restore_ctm();
def test_save_restore_ctm1(self):
path = agg.CompiledPath()
m0 = agg.translation_matrix(10.0,10.0)
path.set_ctm(m0)
path.save_ctm()
m1 = agg.translation_matrix(5.0,5.0)
path.set_ctm(m1)
m2 = path.get_ctm()
self.assertRavelEqual(m1, m2)
path.restore_ctm()
m3 = path.get_ctm()
self.assertRavelEqual(m0, m3)
def test_translate_ctm(self):
path = agg.CompiledPath()
path.translate_ctm(2.0,2.0)
actual = path.get_ctm()
desired = agg.translation_matrix(2.0,2.0)
self.assertRavelEqual(actual, desired)
def test_scale_ctm(self):
path = agg.CompiledPath()
path.scale_ctm(2.0,2.0)
actual = path.get_ctm()
desired = agg.scaling_matrix(2.0,2.0)
self.assertRavelEqual(actual, desired)
def test_rotate_ctm(self):
angle = pi/4.
path = agg.CompiledPath()
path.rotate_ctm(angle)
actual = path.get_ctm()
desired = agg.rotation_matrix(angle)
self.assertRavelEqual(actual, desired)
def test_concat_ctm(self):
path = agg.CompiledPath()
path.translate_ctm(2.0,2.0)
m0 = agg.scaling_matrix(2.0,2.0)
path.concat_ctm(m0)
actual = path.get_ctm()
# wrapper not working
#m0 *= agg.translation_matrix(2.0,2.0)
m0.multiply(agg.translation_matrix(2.0,2.0))
desired = m0
des = desired.asarray()
act = actual.asarray()
self.assertRavelEqual(actual, desired)
def test_vertex(self):
# !! should get this value from the agg enum value
path = agg.CompiledPath()
path.move_to(1.0,1.0)
actual,actual_flag = path._vertex()
desired = array((1.0,1.0))
desired_flag = 1
self.assertRavelEqual(actual,desired)
self.assertRavelEqual(actual_flag,desired_flag)
#check for end flag
actual,actual_flag = path._vertex()
desired_flag = 0
self.assertRavelEqual(actual_flag,desired_flag)
def test_vertices(self):
# !! should get this value from the agg enum value
path = agg.CompiledPath()
path.move_to(1.0,1.0)
desired = array(((1.0,1.0,1.0,0.0),
(0.0,0.0,0.0,0.0)))
actual = path._vertices()
self.assertRavelEqual(actual,desired)
def test_rewind(self):
# !! should get this value from the agg enum value
path = agg.CompiledPath()
path.move_to(1.0,1.0)
actual,actual_flag = path._vertex()
actual,actual_flag = path._vertex()
path._rewind()
actual,actual_flag = path._vertex()
desired = array((1.0,1.0))
desired_flag = 1
self.assertRavelEqual(actual,desired)
self.assertRavelEqual(actual_flag,desired_flag)
def test_begin_path(self):
path = agg.CompiledPath()
path.move_to(1.0,1.0)
path.begin_path()
pt, flag = path._vertex()
# !! should get this value from the agg enum value
desired = 0
self.assertRavelEqual(flag,desired)
def test_move_to(self):
path = agg.CompiledPath()
path.move_to(1.0,1.0)
actual,flag = path._vertex()
desired = array((1.0,1.0))
self.assertRavelEqual(actual,desired)
def test_move_to1(self):
""" Test that transforms are affecting move_to commands
"""
path = agg.CompiledPath()
path.translate_ctm(1.0,1.0)
path.move_to(1.0,1.0)
actual,flag = path._vertex()
desired = array((2.0,2.0))
self.assertRavelEqual(actual,desired)
def test_quad_curve_to(self):
path = agg.CompiledPath()
ctrl = 1.0,1.0
to = 2.0,2.0
path.quad_curve_to(ctrl[0],ctrl[1],to[0],to[1])
actual_ctrl, flag = path._vertex()
self.assertRavelEqual(actual_ctrl, ctrl)
assert(flag == 3)
actual_to, flag = path._vertex()
assert(actual_to == to)
assert(flag == 3)
def test_curve_to(self):
path = agg.CompiledPath()
ctrl1 = 1.0,1.0
ctrl2 = 2.0,2.0
to = 3.0,3.0
path.curve_to(ctrl1[0],ctrl1[1],ctrl2[0],ctrl2[1],to[0],to[1])
actual_ctrl1, flag = path._vertex()
assert(actual_ctrl1 == ctrl1)
assert(flag == 4)
actual_ctrl2, flag = path._vertex()
assert(actual_ctrl2 == ctrl2)
assert(flag == 4)
actual_to, flag = path._vertex()
assert(actual_to == to)
assert(flag == 4)
def test_add_path(self):
path1 = agg.CompiledPath()
path1.move_to(1.0,1.0)
path1.translate_ctm(1.0,1.0)
path1.line_to(2.0,2.0) #actually (3.0,3.0)
path1.scale_ctm(2.0,2.0)
path1.line_to(2.0,2.0) # actually (5.0,5.0)
path2 = agg.CompiledPath()
path2.move_to(1.0,1.0)
path2.translate_ctm(1.0,1.0)
path2.line_to(2.0,2.0) #actually (3.0,3.0)
sub_path = agg.CompiledPath()
sub_path.scale_ctm(2.0,2.0)
sub_path.line_to(2.0,2.0)
path2.add_path(sub_path)
desired = path1._vertices()
actual = path2._vertices()
self.assertRavelEqual(actual, desired)
desired = path1.get_ctm()
actual = path2.get_ctm()
self.assertRavelEqual(actual, desired)
def base_helper_lines(self,lines):
path = agg.CompiledPath()
path.move_to(1.0,1.0)
path.line_to(2.0,2.0) #actually (3.0,3.0)
path.lines(lines)
actual = path._vertices()
desired = array(((1.0,1.0,agg.path_cmd_move_to, agg.path_flags_none),
(2.0,2.0,agg.path_cmd_line_to, agg.path_flags_none),
(3.0,3.0,agg.path_cmd_move_to, agg.path_flags_none),
(4.0,4.0,agg.path_cmd_line_to, agg.path_flags_none),
(0.0,0.0,agg.path_cmd_stop, agg.path_flags_none),))
#print 'desired:', desired
#print 'actual:', actual
self.assertRavelEqual(actual, desired)
def test_lines_array(self):
lines = array(((3.0,3.0),
(4.0,4.0)))
self.base_helper_lines(lines)
def test_lines_list(self):
lines = [[3.0,3.0],
[4.0,4.0]]
self.base_helper_lines(lines)
def test_rect(self):
path = agg.CompiledPath()
path.rect(1.0,1.0,1.0,1.0)
actual = path._vertices()
desired = array(((1.0,1.0,agg.path_cmd_move_to, agg.path_flags_none),
(1.0,2.0,agg.path_cmd_line_to, agg.path_flags_none),
(2.0,2.0,agg.path_cmd_line_to, agg.path_flags_none),
(2.0,1.0,agg.path_cmd_line_to, agg.path_flags_none),
(0.0,0.0,agg.path_cmd_end_poly, agg.path_flags_close),
(0.0,0.0,agg.path_cmd_stop, agg.path_flags_none),))
self.assertRavelEqual(actual, desired)
def base_helper_rects(self,rects):
path = agg.CompiledPath()
path.rects(rects)
actual = path._vertices()
desired = array(((1.0,1.0,agg.path_cmd_move_to, agg.path_flags_none),
(1.0,2.0,agg.path_cmd_line_to, agg.path_flags_none),
(2.0,2.0,agg.path_cmd_line_to, agg.path_flags_none),
(2.0,1.0,agg.path_cmd_line_to, agg.path_flags_none),
(0.0,0.0,agg.path_cmd_end_poly, agg.path_flags_close),
(2.0,2.0,agg.path_cmd_move_to, agg.path_flags_none),
(2.0,3.0,agg.path_cmd_line_to, agg.path_flags_none),
(3.0,3.0,agg.path_cmd_line_to, agg.path_flags_none),
(3.0,2.0,agg.path_cmd_line_to, agg.path_flags_none),
(0.0,0.0,agg.path_cmd_end_poly, agg.path_flags_close),
(0.0,0.0,agg.path_cmd_stop, agg.path_flags_none),))
self.assertRavelEqual(actual, desired)
def test_rects_array(self):
rects = array(((1.0,1.0,1.0,1.0),
(2.0,2.0,1.0,1.0)))
self.base_helper_rects(rects)
def test_rects_list(self):
rects = [[1.0,1.0,1.0,1.0],
[2.0,2.0,1.0,1.0]]
self.base_helper_rects(rects)
if __name__ == "__main__":
unittest.main()
|
