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 testFractWorker(self):
xsize = 8
ysize = 8
im = image.T(xsize,ysize)
cmap = fract4dc.cmap_create([(1.0, 255, 255, 255, 255)])
fract4dc.cmap_set_solid(cmap,0,0,0,0,255)
fract4dc.cmap_set_solid(cmap,1,0,0,0,255)
(fw,ff,site,handle,pfunc) = self.makeWorkerAndFunc(im._img,cmap)
im.clear()
fate_buf = im.fate_buffer()
buf = im.image_buffer()
# draw 1 pixel, check it's set properly
fract4dc.fw_pixel(fw,0,0,1,1)
self.assertPixelIs(im,0,0,[im.OUT]+[im.UNKNOWN]*3)
fract4dc.fw_pixel(fw,0,4,1,1)
self.assertPixelIs(im,0,4,[im.IN]+[im.UNKNOWN]*3)
# draw it again, check no change.
fract4dc.fw_pixel(fw,0,0,1,1)
self.assertPixelIs(im,0,0,[im.OUT]+[im.UNKNOWN]*3)
# draw & antialias another pixel
fract4dc.fw_pixel(fw,2,2,1,1)
fract4dc.fw_pixel_aa(fw,2,2)
self.assertPixelIs(im,2,2,[im.OUT, im.OUT, im.IN, im.OUT])
# change cmap, draw same pixel again, check color changes
cmap = fract4dc.cmap_create(
[(1.0, 79, 88, 41, 255)])
fract4dc.cmap_set_solid(cmap,1,100,101,102,255)
(fw,ff,site,handle,pfunc) = self.makeWorkerAndFunc(im._img,cmap)
fract4dc.fw_pixel(fw,0,0,1,1)
self.assertPixelIs(im,0,0,[im.OUT]+[im.UNKNOWN]*3, [79,88,41])
# redraw antialiased pixel
fract4dc.fw_pixel_aa(fw,2,2)
self.assertPixelIs(
im,2,2, [im.OUT, im.OUT, im.IN, im.OUT],
[79,88,41], [100,101,102])
# draw large block overlapping existing pixels
fract4dc.fw_pixel(fw,0,0,4,4)
self.assertPixelIs(
im,0,0, [im.OUT, im.UNKNOWN, im.UNKNOWN, im.UNKNOWN],
[79,88,41], [100,101,102])
self.assertPixelIs(
im,3,1, [im.UNKNOWN]*4,
[79,88,41], [100,101,102], im.OUT)
def testCmap(self):
cmap = fract4dc.cmap_create(
[(0.0,255,0,100,255), (1.0, 0, 255, 50, 255)])
self.assertEqual(fract4dc.cmap_lookup(cmap,0.0), (255,0,100,255))
self.assertEqual(fract4dc.cmap_lookup(cmap,1.0-1e-10), (0,254,50,255))
self.assertEqual(fract4dc.cmap_lookup(cmap,1.0), (0,255,50,255))
self.assertEqual(fract4dc.cmap_lookup(cmap,0.5), (127,127,75,255))
self.assertEqual(fract4dc.cmap_lookup(cmap,0.00000001), (254,0,99,255))
cmap = fract4dc.cmap_create(
[(0.0,255,0,100,255)])
expc1 = (255,0,100,255)
self.assertEqual(fract4dc.cmap_lookup(cmap,0.0),expc1)
self.assertEqual(fract4dc.cmap_lookup(cmap,1.0),expc1)
self.assertEqual(fract4dc.cmap_lookup(cmap,0.4),expc1)
colors = []
for i in xrange(256):
colors.append((i/255.0,(i*17)%256,255-i,i/2,i/2+127))
cmap = fract4dc.cmap_create(colors)
for i in xrange(256):
self.assertEqual(fract4dc.cmap_lookup(cmap,i/255.0),colors[i][1:],i)
def testTransfers(self):
# test fates
cmap = fract4dc.cmap_create(
[(0.0,33,33,33,255)])
# make inner transfer func none
fract4dc.cmap_set_transfer(cmap,1,0)
# inside should be all-black by default, outside should never be
index = 0.0
while index < 2.0:
color = fract4dc.cmap_lookup_flags(cmap,index,0,1)
self.assertEqual(color,(0,0,0,255))
color = fract4dc.cmap_lookup_flags(cmap,index,0,0)
self.assertEqual(color,(33,33,33,255))
index += 0.1
# test setting solid colors and transfers
fract4dc.cmap_set_solid(cmap,0,166,166,166,255)
fract4dc.cmap_set_solid(cmap,1,177,177,177,255)
fract4dc.cmap_set_transfer(cmap,0,0)
index = 0.0
while index < 2.0:
color = fract4dc.cmap_lookup_flags(cmap,index,0,1)
self.assertEqual(color,(177,177,177,255))
color = fract4dc.cmap_lookup_flags(cmap,index,0,0)
self.assertEqual(color,(166,166,166,255))
index += 0.1
# make inner linear
fract4dc.cmap_set_transfer(cmap,1,1)
index = 0.0
while index < 2.0:
color = fract4dc.cmap_lookup_flags(cmap,index,0,1)
self.assertEqual(color,(33,33,33,255))
color = fract4dc.cmap_lookup_flags(cmap,index,0,0)
self.assertEqual(color,(166,166,166,255))
index += 0.1
# test that solid overrides
color = fract4dc.cmap_lookup_flags(cmap,0.1,1,1)
self.assertEqual(color,(177,177,177,255))
color = fract4dc.cmap_lookup_flags(cmap,0.1,1,0)
self.assertEqual(color,(166,166,166,255))
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 checkColorMapAndGradientEquivalent(self, colorlist, maxdiff=0):
grad = gradient.Gradient()
grad.load_list(colorlist, maxdiff)
self.assertWellFormedGradient(grad)
if maxdiff != 0:
# don't have any robust metric for how close this will be
return
cmap = fract4dc.cmap_create(colorlist)
for i in xrange(1000):
fi = i / 1000.0
(r, g, b, a) = grad.get_color_at(fi)
cmap_color = fract4dc.cmap_lookup(cmap, fi)
grad_color = (int(r * 255.0), int(g * 255.0), int(b * 255.0),
int(a * 255.0))
self.assertNearlyEqual(
grad_color,
cmap_color,
"colorlist(%s) = %s but gradient(%s) = %s" % \
(fi, cmap_color, fi, grad_color), 1.5)
return grad
def checkColorMapAndGradientEquivalent(self,colorlist,maxdiff=0):
grad = gradient.Gradient()
grad.load_list(colorlist,maxdiff)
self.assertWellFormedGradient(grad)
if maxdiff != 0:
# don't have any robust metric for how close this will be
return
cmap = fract4dc.cmap_create(colorlist)
for i in xrange(1000):
fi = i / 1000.0
(r,g,b,a) = grad.get_color_at(fi)
cmap_color = fract4dc.cmap_lookup(cmap, fi)
grad_color = (int(r*255.0), int(g*255.0),
int(b*255.0), int(a*255.0))
self.assertNearlyEqual(
grad_color,
cmap_color,
"colorlist(%s) = %s but gradient(%s) = %s" % \
(fi, cmap_color, fi, grad_color), 1.5)
return grad
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])
