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# Copyright 2006-2007 Nanorex, Inc. See LICENSE file for details.
import Numeric
import types
import unittest
import random
import OpenGL.GL
cdef extern from "Numeric/arrayobject.h":
struct PyArray_Descr:
int type_um, elsize
char type
ctypedef class Numeric.ArrayType [object PyArrayObject]:
cdef char *data
cdef int nd
cdef int *dimensions, *strides
cdef object base
cdef PyArray_Descr *descr
cdef int flags
# Changes here have to be reflected in bradg.h and vice versa
IS_VBO_ENABLED = 1
cdef extern from "quux_help.c":
_getTestResult()
_glColor3f(float,float,float)
_shapeRendererInit()
_shapeRendererStartDrawing()
_shapeRendererFinishDrawing()
_shapeRendererSetFrustum(float frustum[6])
_shapeRendererSetOrtho(float ortho[6])
_shapeRendererSetViewport(int viewport[4])
_shapeRendererSetModelView(float modelview[6])
_shapeRendererUpdateLODEval()
_shapeRendererSetLODScale(float s)
_shapeRendererSetMaterialParameters(float whiteness, float brightness, float shininess)
_shapeRendererSetUseDynamicLOD(int useLODBool)
_shapeRendererSetStaticLODLevels(int sphere, int cylinder)
_shapeRendererDrawSpheresIlvd(int count, ArrayType spheres)
_shapeRendererDrawSpheres(int count, ArrayType center,
ArrayType radius, ArrayType color,
ArrayType names)
_shapeRendererDrawCylindersIlvd(int count, ArrayType cylinders)
_shapeRendererDrawCylinders(int count, ArrayType pos1,
ArrayType pos2, ArrayType radius,
ArrayType capped, ArrayType color,
ArrayType names)
int _shapeRendererGetInteger(int what)
_checkArray(ArrayType a)
####################################
def glColor3f(r, g, b):
_glColor3f(r, g, b)
def shapeRendererInit():
return _shapeRendererInit()
def shapeRendererStartDrawing():
return _shapeRendererStartDrawing()
def shapeRendererFinishDrawing():
return _shapeRendererFinishDrawing()
def shapeRendererSetFrustum(ArrayType frustum):
if chr(frustum.descr.type) != "f":
raise TypeError("Float array required")
if frustum.nd != 1:
raise ValueError("1 dimensional array required")
cdef int nrows, ncols
cdef float *elems
nelems = frustum.dimensions[0]
assert nelems == 6
return _shapeRendererSetFrustum(<float *>frustum.data)
def shapeRendererSetOrtho(ArrayType ortho):
if chr(ortho.descr.type) != "f":
raise TypeError("Float array required")
if ortho.nd != 1:
raise ValueError("1 dimensional array required")
cdef int nrows, ncols
cdef float *elems
nelems = ortho.dimensions[0]
assert nelems == 6
return _shapeRendererSetOrtho(<float *>ortho.data)
def shapeRendererSetViewport(ArrayType viewport):
if chr(viewport.descr.type) != "i":
raise TypeError("Int array required")
if viewport.nd != 1:
raise ValueError("1 dimensional array required")
cdef int nrows, ncols
cdef int *elems
nelems = viewport.dimensions[0]
assert nelems == 4
return _shapeRendererSetViewport(<int *>viewport.data)
def shapeRendererSetModelView(ArrayType modelview):
if chr(modelview.descr.type) != "f":
raise TypeError("Float array required")
if modelview.nd != 1:
raise ValueError("1 dimensional array required")
cdef int nrows, ncols
cdef float *elems, x
nelems = modelview.dimensions[0]
assert nelems == 6
return _shapeRendererSetModelView(<float *>modelview.data)
def shapeRendererUpdateLODEval():
return _shapeRendererUpdateLODEval()
def shapeRendererSetLODScale(s):
return _shapeRendererSetLODScale(s)
def shapeRendererSetUseDynamicLOD(usebool):
return _shapeRendererSetUseDynamicLOD(usebool)
def shapeRendererSetStaticLODLevels(sphere, cylinder):
return _shapeRendererSetStaticLODLevels(sphere, cylinder)
def shapeRendererSetMaterialParameters(whiteness, brightness, shininess):
return _shapeRendererSetMaterialParameters(whiteness, brightness, shininess)
def shapeRendererDrawSpheresIlvd(count, spheres):
return _shapeRendererDrawSpheresIlvd(count, spheres)
def shapeRendererDrawSpheres(count, center, radius, color, names = None):
return _shapeRendererDrawSpheres(count, center, radius, color, names)
def shapeRendererDrawCylindersIlvd(count, cylinders):
return _shapeRendererDrawCylindersIlvd(count, cylinders)
def shapeRendererDrawCylinders(count, pos1, pos2, radius, capped, color, names = None):
return _shapeRendererDrawCylinders(count, pos1, pos2, radius, capped, color, names)
def shapeRendererGetInteger(what):
return _shapeRendererGetInteger(what)
####################################
def diffSquared(x, y):
if type(x) in (types.FloatType, types.IntType):
return (x - y) ** 2
assert len(x) == len(y)
diff = 0.0
for u, v in map(None, x, y):
diff = diff + diffSquared(u, v)
return diff
# Floats aren't as accurate as doubles
def approximatelyEqual(x, y):
return diffSquared(x, y) < 1.0e-6
class Tests(unittest.TestCase):
def testColor(self):
glColor3f(0.1, 0.2, 0.3)
def testManyColors(self):
OpenGL.GL.glClearColor(0.4, 0.4, 0.4, 0.0) # gray
OpenGL.GL.glClear(OpenGL.GL.GL_COLOR_BUFFER_BIT)
OpenGL.GL.glMatrixMode(OpenGL.GL.GL_MODELVIEW)
OpenGL.GL.glPushMatrix()
OpenGL.GL.glDisable(OpenGL.GL.GL_LIGHTING)
glColor3f(1.0, 0.0, 0.0) # red
OpenGL.GL.glBegin(OpenGL.GL.GL_POLYGON)
OpenGL.GL.glVertex2f(0, 0)
OpenGL.GL.glVertex2f(5, 0)
OpenGL.GL.glVertex2f(5, 5)
OpenGL.GL.glEnd()
glColor3f(1.0, 1.0, 0.0) # yellow
OpenGL.GL.glBegin(OpenGL.GL.GL_POLYGON)
OpenGL.GL.glVertex2f(0, 0)
OpenGL.GL.glVertex2f(0, 5)
OpenGL.GL.glVertex2f(-5, 5)
OpenGL.GL.glEnd()
glColor3f(0.0, 1.0, 0.0) # green
OpenGL.GL.glBegin(OpenGL.GL.GL_POLYGON)
OpenGL.GL.glVertex2f(0, 0)
OpenGL.GL.glVertex2f(-5, 0)
OpenGL.GL.glVertex2f(-5, -5)
OpenGL.GL.glEnd()
glColor3f(0.0, 0.0, 1.0) # blue
OpenGL.GL.glBegin(OpenGL.GL.GL_POLYGON)
OpenGL.GL.glVertex2f(0, 0)
OpenGL.GL.glVertex2f(0, -5)
OpenGL.GL.glVertex2f(5, -5)
OpenGL.GL.glEnd()
OpenGL.GL.glFlush()
OpenGL.GL.glPopMatrix()
def testHackNumericArray(self):
a = Numeric.array((Numeric.array((1, 2), 'f'),
Numeric.array((3, 4), 'f')), 'f')
assert _checkArray(a) == (1.0, 2.0, 3.0, 4.0)
def testInit(self):
assert shapeRendererInit() == "shapeRendererInit"
def testSetFrustum(self):
frustum = Numeric.array((1, 2, 3, 4, 5, 6), 'f')
assert shapeRendererSetFrustum(frustum) == (1., 2., 3., 4., 5., 6)
def testSetViewport(self):
viewport = Numeric.array((314, 159, 262, 5358), 'i')
assert shapeRendererSetViewport(viewport) == (314, 159, 262, 5358)
def testSetModelview(self):
modelview = Numeric.array((2, 7, 1, 8, 2, 8), 'f')
#print shapeRendererSetModelView(modelview)
assert shapeRendererSetModelView(modelview) == (2., 7., 1., 8., 2., 8.)
def testSetFrustumWrongNumberOfFloats(self):
try:
frustum = Numeric.array((1, 2, 3, 4, 5), 'f')
shapeRendererSetFrustum(frustum)
assert False, "Failure expected here"
except AssertionError:
pass
def testTooManyCallsToGetTestResult(self):
try:
frustum = Numeric.array((1, 2, 3, 4, 5, 6), 'f')
shapeRendererSetFrustum(frustum)
_getTestResult()
assert False, "Failure expected here"
except RuntimeError:
pass
def testSetLODScale(self):
assert approximatelyEqual(shapeRendererSetLODScale(1.73205), 1.73205)
def testUpdateLODEval(self):
assert shapeRendererUpdateLODEval() == "shapeRendererUpdateLODEval"
def testDrawSpheres(self):
center = Numeric.array((Numeric.array((0, 0, 0), 'f'),
Numeric.array((0, 0, 1), 'f'),
Numeric.array((0, 1, 0), 'f'),
Numeric.array((0, 1, 1), 'f'),
Numeric.array((1, 0, 0), 'f'),
Numeric.array((1, 0, 1), 'f'),
Numeric.array((1, 1, 0), 'f'),
Numeric.array((1, 1, 1), 'f')), 'f')
radius = Numeric.array((0.2, 0.4, 0.6, 0.8,
1.2, 1.4, 1.6, 1.8), 'f')
color = Numeric.array((Numeric.array((0, 0, 0, 0.5), 'f'),
Numeric.array((0, 0, 1, 0.5), 'f'),
Numeric.array((0, 1, 0, 0.5), 'f'),
Numeric.array((0, 1, 1, 0.5), 'f'),
Numeric.array((1, 0, 0, 0.5), 'f'),
Numeric.array((1, 0, 1, 0.5), 'f'),
Numeric.array((1, 1, 0, 0.5), 'f'),
Numeric.array((1, 1, 1, 0.5), 'f')), 'f')
result = shapeRendererDrawSpheres(8, center, radius, color)
assert approximatelyEqual(result, (
((0., 0., 0.), (0., 0., 1.), (0., 1., 0.), (0., 1., 1.),
(1., 0., 0.), (1., 0., 1.), (1., 1., 0.), (1., 1., 1.)),
(0.2, 0.4, 0.6, 0.8, 1.2, 1.4, 1.6, 1.8),
((0., 0., 0., 0.5), (0., 0., 1., 0.5),
(0., 1., 0., 0.5), (0., 1., 1., 0.5),
(1., 0., 0., 0.5), (1., 0., 1., 0.5),
(1., 1., 0., 0.5), (1., 1., 1., 0.5))))
def testDrawCylinders(self):
pos1 = Numeric.array((Numeric.array((0, 0, 0), 'f'),
Numeric.array((0, 0, 1), 'f'),
Numeric.array((0, 1, 0), 'f')), 'f')
pos2 = Numeric.array((Numeric.array((2, 5, 6), 'f'),
Numeric.array((2, 5, 7), 'f'),
Numeric.array((2, 8, 6), 'f')), 'f')
radius = Numeric.array((0.2, 0.4, 0.6), 'f')
capped = Numeric.array((1, 0, 1), 'i')
color = Numeric.array((Numeric.array((0, 0, 0, 0.5), 'f'),
Numeric.array((0, 0, 1, 0.5), 'f'),
Numeric.array((0, 1, 0, 0.5), 'f')), 'f')
result = shapeRendererDrawCylinders(3, pos1, pos2, radius, capped, color)
assert approximatelyEqual(result, (
((0., 0., 0.), (0., 0., 1.), (0., 1., 0.)),
((2., 5., 6.), (2., 5., 7.), (2., 8., 6.)),
(0.2, 0.4, 0.6),
((0., 0., 0., 0.5), (0., 0., 1., 0.5), (0., 1., 0., 0.5))))
def test():
shapeRendererInit()
suite = unittest.makeSuite(Tests, 'test')
runner = unittest.TextTestRunner()
runner.run(suite)
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