def testBasic(self):
self.compileMandel()
handle = fract4dc.pf_load("./test-pf.so")
pfunc = fract4dc.pf_create(handle)
fract4dc.pf_init(pfunc,pos_params, [self.gradient, 4.0, 0.5])
# a point which doesn't bail out
result = fract4dc.pf_calc(pfunc,[0.15, 0.0, 0.0, 0.0],100,0,0,0)
self.assertEqual(result,(100, 32, 0.0,0))
# one which does
result = fract4dc.pf_calc(pfunc,[1.0, 1.0, 0.0, 0.0],100,0,0,0)
self.assertEqual(result,(1,0, 0.0,0))
# one which is already out
result = fract4dc.pf_calc(pfunc,[17.5, 14.0, 0.0, 0.0],100,0,0,0)
self.assertEqual(result,(0, 0, 0.0,0))
# without optional args
result = fract4dc.pf_calc(pfunc,[17.5, 14.0, 0.0, 0.0],100)
self.assertEqual(result,(0, 0, 0.0,0))
pfunc = None
handle = None
def drawTwice(self,is_dirty,xsize):
ysize = int(xsize * 3.0/4.0)
im = image.T(xsize,ysize)
siteobj = FractalSite()
site = fract4dc.site_create(siteobj)
file = self.compileColorMandel()
handle = fract4dc.pf_load(file)
pfunc = fract4dc.pf_create(handle)
fract4dc.pf_init(pfunc,pos_params,self.color_mandel_params)
cmap = fract4dc.cmap_create(
[(1.0, 255, 255, 255, 255)])
fract4dc.calc(
params=[0.0, 0.0, 0.0, 0.0,
4.0,
0.0, 0.0, 0.0, 0.0, 0.0, 0.0],
antialias=0,
maxiter=100,
yflip=0,
nthreads=1,
pfo=pfunc,
cmap=cmap,
auto_deepen=0,
periodicity=1,
render_type=0,
image=im._img,
site=site,
dirty=is_dirty)
#print "1st pass %s" % is_dirty
#fract4dc.image_save(image, "/tmp/pass1%d.tga" % is_dirty)
#self.print_fates(image,xsize,ysize)
cmap = fract4dc.cmap_create(
[(1.0, 76, 49, 189, 255)])
fract4dc.calc(
params=[0.0, 0.0, 0.0, 0.0,
4.0,
0.0, 0.0, 0.0, 0.0, 0.0, 0.0],
antialias=0,
maxiter=100,
yflip=0,
nthreads=1,
pfo=pfunc,
cmap=cmap,
auto_deepen=0,
periodicity=1,
render_type=0,
image=im._img,
site=site,
dirty=is_dirty)
#print "2nd pass %s" % is_dirty
#self.print_fates(image,xsize,ysize)
im.save("/tmp/pass2%d.tga" % is_dirty)
return [] # fract4dc.image_buffer(image)
def makeWorkerAndFunc(self, image, cmap):
siteobj = FractalSite()
site = fract4dc.site_create(siteobj)
file = self.compileColorDiagonal()
handle = fract4dc.pf_load(file)
pfunc = fract4dc.pf_create(handle)
fract4dc.pf_init(pfunc,pos_params, self.color_diagonal_params)
fw = fract4dc.fw_create(1,pfunc,cmap,image,site)
ff = fract4dc.ff_create(
[0.0, 0.0, 0.0, 0.0,
4.0,
0.0, 0.0, 0.0, 0.0, 0.0, 0.0],
2,
100,
0,
1,
pfunc,
cmap,
0,
1,
0,
image,
site,
fw,
False,
1.0E-9)
return (fw,ff,site,handle,pfunc)
def testBadCalc(self):
self.compileMandel()
handle = fract4dc.pf_load("./test-pf.so")
pfunc = fract4dc.pf_create(handle)
fract4dc.pf_init(pfunc, pos_params, [])
self.assertRaises(ValueError,fract4dc.pf_calc,0,[1.0,2.0,3.0,4.0],100)
self.assertRaises(TypeError,fract4dc.pf_calc,pfunc,[1.0,2.0,3.0],100)
pfunc = None
def testMiniTextRender(self):
self.compileMandel()
handle = fract4dc.pf_load("./test-pf.so")
pfunc = fract4dc.pf_create(handle)
fract4dc.pf_init(pfunc,pos_params,[0,4.0])
image = []
for y in xrange(-20,20):
line = []
for x in xrange(-20,20):
(iter,fate,dist,solid) = fract4dc.pf_calc(pfunc,[x/10.0,y/10.0,0,0],100)
if(fate == 32):
line.append("#")
else:
line.append(" ")
image.append(string.join(line,""))
printable_image = string.join(image,"\n")
self.assertEqual(printable_image[0], " ", printable_image)
self.assertEqual(printable_image[20*41+20],"#", printable_image) # in the middle
def setUp(self):
global g_comp
self.compiler = g_comp
self.f = fractal.T(self.compiler)
self.f.render_type = 2
self.f.set_formula("test.frm", "test_hypersphere")
self.f.compile()
handle = fract4dc.pf_load(self.f.outputfile)
self.pfunc = fract4dc.pf_create(handle)
self.cmap = fract4dc.cmap_create_gradient(self.f.get_gradient().segments)
(r,g,b,a) = self.f.solids[0]
fract4dc.cmap_set_solid(self.cmap,0,r,g,b,a)
(r,g,b,a) = self.f.solids[1]
fract4dc.cmap_set_solid(self.cmap,1,r,g,b,a)
initparams = self.f.all_params()
fract4dc.pf_init(self.pfunc,self.f.params,initparams)
self.im = image.T(40,30)
siteobj = FractalSite()
self.fw = fract4dc.fw_create(
1,self.pfunc,self.cmap,self.im._img,self.f.site)
self.ff = fract4dc.ff_create(
[0.0, 0.0, 0.0, 0.0,
4.0,
0.0, 0.0, 0.0, 0.0, 0.0, 0.0],
2,
100,
0,
1,
self.pfunc,
self.cmap,
0,
1,
2, # 3D
self.im._img,
self.f.site,
self.fw,
False,
1.0E-9)
def testAACalc(self):
xsize = 64
ysize = int(xsize * 3.0/4.0)
im = image.T(xsize,ysize)
siteobj = FractalSite()
site = fract4dc.site_create(siteobj)
file = self.compileColorMandel()
handle = fract4dc.pf_load(file)
pfunc = fract4dc.pf_create(handle)
fract4dc.pf_init(pfunc,pos_params,self.color_mandel_params)
cmap = fract4dc.cmap_create(
[(0.0,0,0,0,255),
(1/256.0,255,255,255,255),
(1.0, 255, 255, 255, 255)])
fract4dc.calc(
params=[0.0, 0.0, 0.0, 0.0,
4.0,
0.0, 0.0, 0.0, 0.0, 0.0, 0.0],
antialias=1,
maxiter=100,
yflip=0,
nthreads=1,
pfo=pfunc,
cmap=cmap,
auto_deepen=0,
periodicity=1,
render_type=0,
image=im._img,
site=site)
# fate of all pixels should be known
fate_buf = im.fate_buffer()
i = 0
for byte in fate_buf:
d = im.get_color_index(
(i % (im.FATE_SIZE * xsize)) / im.FATE_SIZE,
i / (im.FATE_SIZE * xsize),
i % im.FATE_SIZE)
self.assertNotEqual("%g" % d,"inf", "index %d is %g" % (i,d))
self.assertNotEqual(ord(byte), 255,
"pixel %d is %d" % (i,ord(byte)))
i+= 1
def setUp(self):
global g_comp
self.compiler = g_comp
self.f = fractal.T(self.compiler)
self.f.render_type = 2
self.f.set_formula("test.frm", "test_hypersphere")
self.f.compile()
handle = fract4dc.pf_load(self.f.outputfile)
self.pfunc = fract4dc.pf_create(handle)
self.cmap = fract4dc.cmap_create_gradient(
self.f.get_gradient().segments)
(r, g, b, a) = self.f.solids[0]
fract4dc.cmap_set_solid(self.cmap, 0, r, g, b, a)
(r, g, b, a) = self.f.solids[1]
fract4dc.cmap_set_solid(self.cmap, 1, r, g, b, a)
initparams = self.f.all_params()
fract4dc.pf_init(self.pfunc, self.f.params, initparams)
self.im = image.T(40, 30)
siteobj = FractalSite()
self.fw = fract4dc.fw_create(1, self.pfunc, self.cmap, self.im._img,
self.f.site)
self.ff = fract4dc.ff_create(
[0.0, 0.0, 0.0, 0.0, 4.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0],
2,
100,
0,
1,
self.pfunc,
self.cmap,
0,
1,
2, # 3D
self.im._img,
self.f.site,
self.fw,
False,
1.0E-9)
def testIntInit(self):
self.compileMandel()
handle = fract4dc.pf_load("./test-pf.so")
pfunc = fract4dc.pf_create(handle)
fract4dc.pf_init(pfunc, pos_params, [1,2,3,4])
def testFDSite(self):
xsize = 64
ysize = int(xsize * 3.0/4.0)
im = image.T(xsize,ysize)
(rfd,wfd) = os.pipe()
site = fract4dc.fdsite_create(wfd)
file = self.compileColorMandel()
for x in xrange(2):
handle = fract4dc.pf_load(file)
pfunc = fract4dc.pf_create(handle)
fract4dc.pf_init(pfunc,pos_params,self.color_mandel_params)
cmap = fract4dc.cmap_create(
[(0.0,0,0,0,255),
(1/256.0,255,255,255,255),
(1.0, 255, 255, 255, 255)])
fract4dc.calc(
params=[0.0, 0.0, 0.0, 0.0,
4.0,
0.0, 0.0, 0.0, 0.0, 0.0, 0.0],
antialias=0,
maxiter=100,
yflip=0,
nthreads=1,
pfo=pfunc,
cmap=cmap,
auto_deepen=0,
periodicity=1,
render_type=0,
image=im._img,
site=site,
async=True)
nrecved = 0
while True:
if nrecved == x:
#print "hit message count"
fract4dc.interrupt(site)
nb = 2*4
bytes = os.read(rfd,nb)
if len(bytes) < nb:
self.fail("bad message")
break
(t,size) = struct.unpack("2i",bytes)
#print "read %d, len %d" % (t,size)
# read the rest of the message
bytes = os.read(rfd,size)
if len(bytes) < size:
self.fail("bad message")
break
msg = messages.parse(t, bytes)
#print "msg: %s" % msg.show()
if msg.name == "Status" and msg.status == 0:
#done
#print "done"
break
nrecved += 1
def testCalc(self):
xsize = 64
ysize = int(xsize * 3.0/4.0)
im = image.T(xsize,ysize)
siteobj = FractalSite()
site = fract4dc.site_create(siteobj)
file = self.compileColorMandel()
handle = fract4dc.pf_load(file)
pfunc = fract4dc.pf_create(handle)
fract4dc.pf_init(pfunc,pos_params,self.color_mandel_params)
cmap = fract4dc.cmap_create(
[(0.0,0,0,0,255),
(1/256.0,255,255,255,255),
(1.0, 255, 255, 255, 255)])
fract4dc.calc(
params=[0.0, 0.0, 0.0, 0.0,
4.0,
0.0, 0.0, 0.0, 0.0, 0.0, 0.0],
antialias=0,
maxiter=100,
yflip=0,
nthreads=1,
pfo=pfunc,
cmap=cmap,
auto_deepen=0,
periodicity=1,
render_type=0,
image=im._img,
site=site)
self.assertEqual(siteobj.progress_list[-1], 0.0)
self.assertEqual(siteobj.progress_list[-2], 1.0)
self.failUnless(siteobj.image_list[-1]==(0,0,xsize,ysize))
self.failUnless(siteobj.status_list[0]== 1 and \
siteobj.status_list[-1]== 0)
self.failUnless(not os.path.exists("test.tga"))
im.save("test.tga")
self.failUnless(os.path.exists("test.tga"))
os.remove('test.tga')
# fate of all non-aa pixels should be known, aa-pixels unknown
fate_buf = im.fate_buffer()
i = 0
for byte in fate_buf:
d = im.get_color_index(
(i % (im.FATE_SIZE * xsize)) / im.FATE_SIZE,
i / (im.FATE_SIZE * xsize),
i % im.FATE_SIZE)
if i % 4 == 0:
# no-aa
self.assertNotEqual(ord(byte), 255,
"pixel %d is %d" % (i,ord(byte)))
self.assertNotEqual("%g" % d,"inf")
else:
self.assertEqual(ord(byte), 255)
i+= 1
self.assertPixelCount(xsize,ysize,siteobj)
def testVectors(self):
siteobj = FractalSite()
site = fract4dc.site_create(siteobj)
file = self.compileColorDiagonal()
handle = fract4dc.pf_load(file)
pfunc = fract4dc.pf_create(handle)
fract4dc.pf_init(pfunc,pos_params,self.color_diagonal_params)
(w,h,tw,th) = (40,20,40,20)
im = image.T(w,h)
cmap = fract4dc.cmap_create([(1.0, 255, 255, 255, 255)])
fw = fract4dc.fw_create(1,pfunc,cmap,im._img,site)
ff = fract4dc.ff_create(
[0.0, 0.0, 0.0, 0.0,
4.0,
0.0, 0.0, 0.0, 0.0, 0.0, 0.0],
2,
100,
0,
1,
pfunc,
cmap,
0,
1,
0,
im._img,
site,
fw,
False,
1.0E-9)
# check dx, dy and topleft
dx = fract4dc.ff_get_vector(ff, fract4dc.DELTA_X)
self.assertNearlyEqual(dx, [4.0/tw,0.0,0.0,0.0])
dy = fract4dc.ff_get_vector(ff, fract4dc.DELTA_Y);
self.assertNearlyEqual(dy, [0.0,-2.0/th,0.0,0.0])
topleft = fract4dc.ff_get_vector(ff, fract4dc.TOPLEFT);
self.assertNearlyEqual(topleft, [-2.0 + 4.0/(tw*2),1.0 - 2.0/(th*2),0.0,0.0])
# check they are updated if image is bigger
(w,h,tw,th) = (40,20,400,200)
im = image.T(w,h,tw,th)
fw = fract4dc.fw_create(1,pfunc,cmap,im._img,site)
ff = fract4dc.ff_create(
[0.0, 0.0, 0.0, 0.0,
4.0,
0.0, 0.0, 0.0, 0.0, 0.0, 0.0],
2,
100,
0,
1,
pfunc,
cmap,
0,
1,
0,
im._img,
site,
fw,
False,
1.0E-9)
# check dx, dy and topleft
dx = fract4dc.ff_get_vector(ff, fract4dc.DELTA_X)
self.assertNearlyEqual(dx, [4.0/tw,0.0,0.0,0.0])
dy = fract4dc.ff_get_vector(ff, fract4dc.DELTA_Y);
self.assertNearlyEqual(dy, [0.0,-2.0/th,0.0,0.0])
topleft = fract4dc.ff_get_vector(ff, fract4dc.TOPLEFT);
self.assertNearlyEqual(topleft, [-2.0 + 4.0/(tw*2),1.0 - 2.0/(th*2),0.0,0.0])
offx = 40
offy = 10
im.set_offset(offx, offy)
fw = fract4dc.fw_create(1,pfunc,cmap,im._img,site)
ff = fract4dc.ff_create(
[0.0, 0.0, 0.0, 0.0,
4.0,
0.0, 0.0, 0.0, 0.0, 0.0, 0.0],
2,
100,
0,
1,
pfunc,
cmap,
0,
1,
0,
im._img,
site,
fw,
False,
1.0E-9)
# check dx, dy and topleft
dx = fract4dc.ff_get_vector(ff, fract4dc.DELTA_X)
self.assertNearlyEqual(dx, [4.0/tw,0.0,0.0,0.0])
dy = fract4dc.ff_get_vector(ff, fract4dc.DELTA_Y);
self.assertNearlyEqual(dy, [0.0,-2.0/th,0.0,0.0])
topleft = fract4dc.ff_get_vector(ff, fract4dc.TOPLEFT);
self.assertNearlyEqual(topleft, [
-2.0 + dx[0] * (offx + 0.5),
1.0 + dy[1] * (offy + 0.5),
0.0,0.0])
