def create_testcharts(overwrite=False):
min_bcc_steps, max_bcc_steps = 7, 11
# Profile, amount of dark region emphasis
precond = {
"eRGBv2": (ICCP.ICCProfile("eciRGB_v2.icc").fileName, 1.0),
"aRGB": (config.get_data_path("ref/ClayRGB1998.icm"), 1.6),
"Rec709_Gamma22":
(config.get_data_path("ref/Rec709_Gamma22.icm"), 1.6),
"sRGB": (config.get_data_path("ref/sRGB.icm"), 1.6)
}
worker = Worker()
targen = get_argyll_util("targen")
for bcc_steps in xrange(min_bcc_steps, max_bcc_steps + 1):
single_channel = bcc_steps * 4 - 3
gray_channel = single_channel * 3 - 2
total = config.get_total_patches(4, 4, single_channel, gray_channel,
bcc_steps, bcc_steps, 0)
for name, (filename, demphasis) in precond.iteritems():
cwd = os.path.join(root, meta.name, "ti1")
outname = "d3-e4-s%i-g%i-m0-f%i-c%s" % (single_channel,
gray_channel, total, name)
if (not os.path.isfile(os.path.join(cwd, outname + ".ti1"))
or overwrite):
result = worker.exec_cmd(targen, [
"-v", "-d3", "-e4",
"-s%i" % single_channel,
"-g%i" % gray_channel, "-m0",
"-f%i" % total, "-G", "-c" + filename,
"-V%.1f" % demphasis, outname
],
working_dir=cwd,
sessionlogfile=sys.stdout)
if isinstance(result, Exception):
print result
worker.wrapup(False)
def set_profile_desc_to_basename_sans_ext(profile):
if isinstance(profile, basestring):
profile = iccp.ICCProfile(profile)
if isinstance(profile, iccp.ICCProfile):
name = os.path.splitext(os.path.basename(profile.fileName))[0]
if isinstance(profile.tags.desc, iccp.TextDescriptionType):
profile.tags.desc.ASCII = name.encode('ASCII', 'asciize')
profile.tags.desc.Unicode = name
profile.tags.desc.Macintosh = name
else:
profile.tags.desc = iccp.MultiLocalizedUnicodeType()
profile.tags.desc.add_localized_string('en', 'US', name)
profile.write()
else:
for item in profile:
set_profile_desc_to_basename_sans_ext(item)
def profileinfo(profile):
if not isinstance(profile, ICCP.ICCProfile):
profile = ICCP.ICCProfile(profile)
# Attributes
print "Size:", profile.size, "Bytes (%.1f KB)" % (profile.size / 1024.0)
print "Preferred CMM:", profile.preferredCMM
print "ICC version:", profile.version
print "Class:", profile.profileClass
print "Colorspace:", profile.colorSpace
print "PCS:", profile.connectionColorSpace
print "Date/Time:", strftime("%Y-%m-%d %H:%M:%S",
profile.dateTime + (0, 0, -1))
print "Platform:", profile.platform
print "Embedded:", profile.embedded
print "Independent:", profile.independent
print "Device:"
for key in ("manufacturer", "model"):
profile.device[key] = binascii.hexlify(profile.device[key]).upper()
prettyprint(profile.device)
print "Rendering Intent:", profile.intent
print "Illuminant:", " ".join(
str(n * 100) for n in profile.illuminant.values())
print "Creator:", profile.creator
print "ID:", binascii.hexlify(profile.ID).upper()
# Tags
print "Description:", profile.getDescription()
print "Copyright:", profile.getCopyright()
if "dmnd" in profile.tags:
print "Device Manufacturer Description:",
print profile.getDeviceManufacturerDescription()
if "dmdd" in profile.tags:
print "Device Model Description:", profile.getDeviceModelDescription()
if "vued" in profile.tags:
print "Viewing Conditions Description:",
print profile.getViewingConditionsDescription()
wtpt_profile_norm = tuple(n * 100 for n in profile.tags.wtpt.values())
if "chad" in profile.tags:
# undo chromatic adaption of profile whitepoint
X, Y, Z = wtpt_profile_norm
M = colormath.Matrix3x3(profile.tags.chad).inverted()
XR = X * M[0][0] + Y * M[0][1] + Z * M[0][2]
YR = X * M[1][0] + Y * M[1][1] + Z * M[1][2]
ZR = X * M[2][0] + Y * M[2][1] + Z * M[2][2]
wtpt_profile_norm = tuple((n / YR) * 100.0 for n in (XR, YR, ZR))
if "lumi" in profile.tags and isinstance(profile.tags.lumi, ICCP.XYZType):
print "Luminance:", profile.tags.lumi.Y
print "Actual Whitepoint XYZ:", " ".join(str(n) for n in wtpt_profile_norm)
print "Correlated Color Temperature:", colormath.XYZ2CCT(
*wtpt_profile_norm)
#!/usr/bin/env python2
# -*- coding: utf-8 -*-
import os
import sys
sys.path.insert(0, os.path.dirname(os.path.dirname(os.path.abspath(__file__))))
from DisplayCAL import ICCProfile as iccp
from DisplayCAL.defaultpaths import iccprofiles, iccprofiles_home
from DisplayCAL.safe_print import safe_print
for p in set(iccprofiles_home + iccprofiles):
if os.path.isdir(p):
for f in os.listdir(p):
try:
profile = iccp.ICCProfile(os.path.join(p, f))
except:
pass
else:
if profile.profileClass == "spac":
safe_print(f)
safe_print("ICC Version:", profile.version)
safe_print("Color space:", profile.colorSpace)
safe_print("Connection color space:",
profile.connectionColorSpace)
safe_print("")
def create_rendering_intent_test_profile(filename,
add_fallback_matrix=True,
generate_B2A_tables=True,
swap=False):
desc = "Rendering Intent Test Profile"
if not add_fallback_matrix:
desc += " (cLUT only)"
else:
desc += " (cLUT + fallback matrix)"
srgb = get_rgb_space("sRGB")
if swap:
rgb_space = list(srgb)
rgb_space[2:5] = rgb_space[3], rgb_space[4], rgb_space[2]
rgb_space = get_rgb_space(rgb_space)
else:
rgb_space = srgb
clutres = 9 # Minimum 9 because we require f >= 2
f = int(round((clutres - 1) / 4.0))
p = ICCP.create_synthetic_clut_profile(rgb_space, desc, clutres=clutres)
tagnames = ["A2B"]
if generate_B2A_tables:
p.tags.B2A0.clut = []
tagnames.append("B2A")
else:
del p.tags["B2A0"]
for i in xrange(1, 3):
for tagname in tagnames:
tag0 = p.tags[tagname + "0"]
tag = p.tags[tagname + "%i" % i] = ICCP.LUT16Type()
for component_name in ("matrix", "input", "clut", "output"):
component = getattr(tag0, component_name)
if component_name == "clut":
component = deepcopy(component)
setattr(tag, component_name, component)
for i in xrange(3):
for tagname in tagnames:
tag = p.tags[tagname + "%i" % i]
if i == 0:
# Perceptual
RGB = (f, f, 0)
elif i == 1:
# Colorimetric
RGB = (0, f, f)
else:
# Saturation
RGB = (0, f, 0)
block = 0
for R in xrange(clutres):
r = min(max(R, f), clutres - 2)
b1 = min(max(R, f) + 1, clutres - 2)
b2 = min(max(R - 1, f), clutres - 2)
for G in xrange(clutres):
if tagname == "B2A":
tag.clut.append([])
for B in xrange(clutres):
if tagname == "B2A":
tag.clut[block].append([
v / (clutres - 1.0) * 65535 for v in (R, G, B)
])
# Everything should be good as long as primaries
# are sensible (otherwise, when embedded in a PNG,
# some programs like Firefox and XnView will ignore
# the profile. This doesn't happen when embedded in
# JPEG. Go figure...)
if (R, G, B) in (
(f, f, 0),
(0, f, f),
(0, f, 0),
# Magenta 64..223
(r, 0, r),
(r, 0, b1),
(r, 0, b2),
# Red 64..223
(r, 0, 0),
(r, 0, 1),
(r, 1, 0),
# CMY 255
(0, clutres - 1, clutres - 1),
(clutres - 1, 0, clutres - 1),
(clutres - 1, clutres - 1, 0)):
if (R, G, B) == (0, clutres - 1, clutres - 1):
# Map C -> R
if tagname == "B2A":
triplet = (65535, 0, 0)
else:
triplet = RGB2XYZ(1, 0, 0, scale=32768)
elif (R, G, B) == (clutres - 1, 0, clutres - 1):
# Map M -> G
if tagname == "B2A":
triplet = (0, 65535, 0)
else:
triplet = RGB2XYZ(0, 1, 0, scale=32768)
elif (R, G, B) == (clutres - 1, clutres - 1, 0):
# Map Y -> B
if tagname == "B2A":
triplet = (0, 0, 65535)
else:
triplet = RGB2XYZ(0, 0, 1, scale=32768)
elif (R, G, B) != RGB:
triplet = [0, 0, 0]
else:
if tagname == "B2A":
# White RGB
triplet = [65535] * 3
else:
# White XYZ D50
triplet = get_whitepoint("D50", 32768)
tag.clut[block][B] = triplet
block += 1
tag.clut_writepng(filename[:-3] + tagname + "%i.CLUT.png" % i)
if tagname == "A2B":
tag.clut_writecgats(filename[:-3] + tagname +
"%i.CLUT.ti3" % i)
if add_fallback_matrix:
srgb_icc = ICCP.ICCProfile.from_rgb_space(srgb, "sRGB")
p.tags.rTRC = srgb_icc.tags.rTRC
p.tags.gTRC = srgb_icc.tags.gTRC
p.tags.bTRC = srgb_icc.tags.bTRC
if False: # NEVER
# Don't really need this...?
t = specialpow(1 / 3.0, -2.4)
for i, v in enumerate(p.tags.gTRC[1:], 1):
v /= 65535.0
p.tags.rTRC[i] = p.tags.gTRC[i] = max(
convert_range(v, t, 1, 0, 1), 0) * 65535
p.tags.bTRC[i] = min(convert_range(v, 0, t, 0, 1), 1) * 65535
p.tags.rXYZ = ICCP.XYZType() # Map red to black
p.tags.gXYZ = ICCP.XYZType() # Map green to black
p.tags.bXYZ = srgb_icc.tags.wtpt.pcs # Map blue to white
p.calculateID()
p.write(filename)
def update_preset(name):
print "Preset name:", name
pth = config.get_data_path("presets/%s.icc" % name)
if not pth:
print "ERROR: Preset not found"
return False
print "Path:", pth
with open(
os.path.join(os.path.dirname(__file__), "..", "misc", "ti3",
"%s.ti3" % name), "rb") as f:
ti3 = f.read()
prof = ICCP.ICCProfile(pth)
if prof.tags.targ != ti3:
print "Updating 'targ'..."
prof.tags.targ = ICCP.TextType("text\0\0\0\0%s\0" % ti3, "targ")
options_dispcal, options_colprof = worker.get_options_from_profile(prof)
trc_a2b = {"240": -240, "709": -709, "l": -3, "s": -2.4}
t_a2b = {"t": colormath.CIEDCCT2XYZ, "T": colormath.planckianCT2XYZ}
trc = None
for option in options_dispcal:
if option[0] in ("g", "G"):
trc = trc_a2b.get(option[1:])
if not trc:
try:
trc = float(option[1:])
except ValueError:
trc = False
print "Invalid dispcal -g parameter:", option[1:]
if trc:
print "dispcal -%s parameter:" % option[0], option[1:]
print "Updating tone response curves..."
for chan in ("r", "g", "b"):
prof.tags["%sTRC" % chan].set_trc(trc, 256)
print "Transfer function:", prof.tags[
"%sTRC" % chan].get_transfer_function()[0][0]
elif option[0] in ("t", "T") and option[1:]:
print "dispcal -t parameter:", option[1:]
print "Updating white point..."
(prof.tags.wtpt.X, prof.tags.wtpt.Y,
prof.tags.wtpt.Z) = t_a2b[option[0]](float(option[1:]))
elif option[0] == "w":
print "dispcal -w parameter:", option[1:]
x, y = [float(v) for v in option[1:].split(",")]
print "Updating white point..."
(prof.tags.wtpt.X, prof.tags.wtpt.Y,
prof.tags.wtpt.Z) = colormath.xyY2XYZ(x, y)
elif option[0] in ("t", "T"):
print "Updating white point..."
(prof.tags.wtpt.X, prof.tags.wtpt.Y,
prof.tags.wtpt.Z) = colormath.get_whitepoint("D65")
for option in options_colprof:
if option[0] == "M":
print "Updating device model description..."
prof.setDeviceModelDescription(option[2:].strip('"'))
if "CIED" in prof.tags:
print "Removing 'CIED'..."
del prof.tags["CIED"]
if "DevD" in prof.tags:
print "Removing 'DevD'..."
del prof.tags["DevD"]
if "clrt" in prof.tags:
print "Removing 'clrt'..."
del prof.tags["clrt"]
print "Setting RGB matrix column tags to reference values..."
prof.tags.rXYZ = ref.tags.rXYZ
prof.tags.gXYZ = ref.tags.gXYZ
prof.tags.bXYZ = ref.tags.bXYZ
print "Updating profile ID..."
prof.calculateID()
prof.write()
print ""
return True
#!/usr/bin/env python2
# -*- coding: utf-8 -*-
import glob
import os
import sys
sys.path.insert(0, os.path.dirname(os.path.dirname(os.path.abspath(__file__))))
from DisplayCAL import ICCProfile as ICCP, colormath, config, worker
config.initcfg()
srgb = config.get_data_path("ref/sRGB.icm")
if not srgb:
raise OSError("File not found: ref/sRGB.icm")
ref = ICCP.ICCProfile(srgb)
print "sRGB:", ref.fileName
def update_preset(name):
print "Preset name:", name
pth = config.get_data_path("presets/%s.icc" % name)
if not pth:
print "ERROR: Preset not found"
return False
print "Path:", pth
with open(
os.path.join(os.path.dirname(__file__), "..", "misc", "ti3",
"%s.ti3" % name), "rb") as f:
ti3 = f.read()
prof = ICCP.ICCProfile(pth)
sys.path.insert(0, os.path.dirname(os.path.dirname(os.path.abspath(__file__))))
from DisplayCAL import ICCProfile as ICCP, xrandr
from DisplayCAL.safe_print import safe_print
from DisplayCAL.RealDisplaySizeMM import RealDisplaySizeMM as RDSMM
for i in xrange(5):
# Show ICC info for first five screens / outputs
try:
x_icc_c = xrandr.get_atom(
"_ICC_PROFILE" if i < 1 else "_ICC_PROFILE_%i" % i)
except ValueError:
x_icc_c = None
if x_icc_c:
safe_print("Root window %s" %
("_ICC_PROFILE" if i < 1 else "_ICC_PROFILE_%i" % i))
x_icc = ICCP.ICCProfile("".join(chr(n) for n in x_icc_c))
safe_print("Description:", x_icc.getDescription())
safe_print("Checksum ID:", hexlify(x_icc.calculateID()))
safe_print("")
try:
xrr_icc_c = xrandr.get_output_property(i, "_ICC_PROFILE")
except ValueError:
xrr_icc_c = None
if xrr_icc_c:
safe_print("XRandR Output %i _ICC_PROFILE:" % i)
xrr_icc = ICCP.ICCProfile("".join(chr(n) for n in xrr_icc_c))
safe_print("Description:", xrr_icc.getDescription())
safe_print("Checksum ID:", hexlify(xrr_icc.calculateID()))
safe_print("")
def main(icc_profile_filename,
target_whitepoint=None,
gamma=2.2,
skip_cal=False):
profile = ICCP.ICCProfile(icc_profile_filename)
worker = Worker()
if target_whitepoint:
intent = "a"
else:
intent = "r"
gamma = float(gamma)
num_cal_entries = 4096
cal_entry_max = num_cal_entries - 1.0
ogamma = {
-2.4: "sRGB",
-3.0: "LStar",
-2084: "SMPTE2084",
-709: "BT709",
-240: "SMPTE240M",
-601: "BT601"
}.get(gamma, gamma)
owtpt = target_whitepoint and ".%s" % target_whitepoint or ""
filename, ext = os.path.splitext(icc_profile_filename)
# Get existing calibration CGATS from profile
existing_cgats = argyll_cgats.extract_cal_from_profile(
profile, raise_on_missing_cal=False)
# Enabling this will do a linear blend below interpolation threshold, which
# is probably not what we want - rather, the original cal should blend into
# the linear portion
applycal = False
applycal_inverse = not filter(
lambda tagname: tagname.startswith("A2B") or tagname.startswith("B2A"),
profile.tags)
print "Use applycal to apply cal?", applycal
print "Use applycal to apply inverse cal?", applycal_inverse
print "Ensuring 256 entry TRC tags"
_applycal_bug_workaround(profile)
if (applycal or applycal_inverse) and existing_cgats:
print "Writing TMP profile for applycal"
profile.write(filename + ".tmp" + ext)
if applycal and existing_cgats:
# Apply cal
existing_cgats.write(filename + ".tmp.cal")
result = worker.exec_cmd(get_argyll_util("applycal"), [
"-v", filename + ".tmp.cal", filename + ".tmp" + ext,
filename + ".calapplied" + ext
],
capture_output=True,
log_output=True)
if not result and not os.path.isfile(out_filename):
raise Exception("applycal returned a non-zero exit code")
elif isinstance(result, Exception):
raise result
calapplied = ICCP.ICCProfile(filename + ".calapplied" + ext)
else:
calapplied = profile
if target_whitepoint:
try:
target_whitepoint = float(target_whitepoint)
except ValueError:
pass
target_whitepoint = cm.get_whitepoint(target_whitepoint)
# target_whitepoint = cm.adapt(*target_whitepoint,
# whitepoint_source=profile.tags.wtpt.ir.values())
logfiles = sys.stdout
# Lookup scaled down white XYZ
logfiles.write("Looking for solution...\n")
for n in xrange(9):
XYZscaled = []
for i in xrange(2001):
XYZscaled.append([
v * (1 - (n * 2001 + i) / 20000.0)
for v in target_whitepoint
])
RGBscaled = worker.xicclu(profile,
XYZscaled,
intent,
"if",
pcs="x",
get_clip=True)
# Find point at which it no longer clips
XYZwscaled = None
for i, RGBclip in enumerate(RGBscaled):
if RGBclip[3] is True or max(RGBclip[:3]) > 1:
# Clipped, skip
continue
# Found
XYZwscaled = XYZscaled[i]
logfiles.write("Solution found at index %i "
"(step size %f)\n" % (i, 1 / 2000.0))
logfiles.write("RGB white %6.4f %6.4f %6.4f\n" %
tuple(RGBclip[:3]))
logfiles.write("XYZ white %6.4f %6.4f %6.4f, "
"CCT %.1f K\n" %
tuple(XYZscaled[i] + [cm.XYZ2CCT(*XYZwscaled)]))
break
else:
if n == 8:
break
if XYZwscaled:
# Found solution
break
if not XYZwscaled:
raise Exception("No solution found in %i "
"iterations with %i steps" % (n, i))
target_whitepoint = XYZwscaled
del RGBscaled
if not applycal or applycal_inverse:
ccal = get_cal(num_cal_entries,
target_whitepoint,
gamma,
profile,
intent,
"if",
slope_limit=0)
out_filename = filename + " %s%s" % (
target_whitepoint and "%s " % owtpt[1:] or "", ogamma) + ext
if target_whitepoint is False: # NEVER
# Apply inverse CAL with PCS white
main(icc_profile_filename, gamma=gamma, skip_cal=True)
else:
# Generate inverse calibration
# Apply inverse CAL and write output file
if not applycal_inverse:
# Use our own code
TRC = []
seen = []
for tagname in ("A2B0", "A2B1", "A2B2", "B2A0", "B2A1", "B2A2",
"rTRC", "gTRC", "bTRC"):
if not tagname in profile.tags:
continue
print tagname
if profile.tags[tagname] in seen:
print "Already seen"
continue
seen.append(profile.tags[tagname])
if tagname.startswith("A2B"):
# Apply calibration to input curves
cal = get_cal(num_cal_entries, None, gamma, profile,
intent, "if")
interp_i = get_interp(cal, True)
entries = profile.tags[tagname].input
elif tagname.startswith("B2A"):
# Apply inverse calibration to output curves
if profile.tags[tagname].clut_grid_steps <= 9:
# Low quality. Skip.
print "Low quality, skipping"
continue
cal = get_cal(num_cal_entries, None, gamma, profile,
intent, "b")
interp_i = get_interp(cal, True)
entries = profile.tags[tagname].output
else:
entries = profile.tags[tagname]
TRC.append(entries[:])
num_entries = len(entries)
j = "rgb".index(tagname[0])
cal = get_cal(num_cal_entries, None, gamma, profile,
intent, "if", "r")
interp_i = get_interp(cal, True)
cinterp = cm.Interp([
interp_i[j](i / (num_entries - 1.0))
for i in xrange(num_entries)
],
entries,
use_numpy=True)
entries[:] = [
cinterp(i / (num_entries - 1.0))
for i in xrange(num_entries)
]
continue
for j in xrange(3):
num_entries = len(entries[j])
if tagname.startswith("A2B"):
cinterp = cm.Interp([
interp_i[j](i / (num_entries - 1.0))
for i in xrange(num_entries)
], [v / 65535. for v in entries[j]],
use_numpy=True)
elif tagname.startswith("B2A"):
rinterp = cm.Interp([v / 65535. for v in entries[j]], [
i / (num_entries - 1.0)
for i in xrange(num_entries)
],
use_numpy=True)
cinterp = cm.Interp([
rinterp(i / (num_entries - 1.0))
for i in xrange(num_entries)
], [
interp_i[j](i / (num_entries - 1.0))
for i in xrange(num_entries)
],
use_numpy=True)
entries[j] = []
num_entries = max(num_entries, 256)
for i in xrange(num_entries):
entries[j].append(
min(
max(
cinterp(i / (num_entries - 1.0)) * 65535,
0), 65535))
# Check for identical initial TRC tags, and force them identical again
if TRC and TRC.count(TRC[0]) == 3:
print "Forcing identical TRC tags"
for channel in "rb":
profile.tags[channel + "TRC"] = profile.tags.gTRC
elif existing_cgats:
# Use Argyll applycal
# XXX: Want to derive different cals for cLUT and TRC tags.
# Not possible with applycal unless applying cals separately and
# combining the profile parts later?
# Get inverse calibration
interp_i = get_interp(ccal, True)
ical = []
# Argyll can only deal with 256 cal entries
for i in xrange(256):
ical.append([cinterp(i / 255.) for cinterp in interp_i])
# Write inverse CAL
icgats = cgats_header
for i, (R, G, B) in enumerate(ical):
icgats += "%.7f %.7f %.7f %.7f\n" % (i / 255., R, G, B)
icgats += "END_DATA\n"
ical_filename = icc_profile_filename + owtpt + ".%s.inverse.cal" % ogamma
with open(ical_filename, "wb") as f:
f.write(icgats)
result = worker.exec_cmd(
get_argyll_util("applycal"),
["-v", ical_filename, filename + ".tmp" + ext, out_filename],
capture_output=True,
log_output=True)
if not result and not os.path.isfile(out_filename):
raise Exception("applycal returned a non-zero exit code")
elif isinstance(result, Exception):
raise result
profile = ICCP.ICCProfile(out_filename)
out_profile = profile
if not skip_cal:
# Improve existing calibration with new calibration
if applycal:
ccal = get_cal(256,
target_whitepoint,
gamma,
calapplied,
intent,
"if",
slope_limit=0)
num_cal_entries = len(ccal)
else:
if not existing_cgats:
existing_cgats = CGATS.CGATS(
config.get_data_path("linear.cal"))
num_cal_entries = len(existing_cgats[0].DATA)
cal_entry_max = num_cal_entries - 1.0
if not applycal:
interp = get_interp(ccal, False, True)
# Create CAL diff
cgats = cgats_header
for i in xrange(num_cal_entries):
RGB = [cinterp(i / cal_entry_max) for cinterp in interp]
R, G, B = (min(max(v, 0), 1) for v in RGB)
cgats += "%.7f %.7f %.7f %.7f\n" % (i / cal_entry_max, R, G, B)
cgats += "END_DATA\n"
with open(icc_profile_filename + owtpt + ".%s.diff.cal" % ogamma,
"wb") as f:
f.write(cgats)
cgats_cal_interp = []
for i in xrange(3):
cgats_cal_interp.append(
cm.Interp(
[v / cal_entry_max for v in xrange(num_cal_entries)],
[]))
for i, row in existing_cgats[0].DATA.iteritems():
for j, channel in enumerate("RGB"):
cgats_cal_interp[j].fp.append(row["RGB_" + channel])
# Create CAL
cgats = cgats_header
for i in xrange(num_cal_entries):
if applycal:
RGB = [ccal[i][j] for j in xrange(3)]
else:
RGB = [
cgats_cal_interp[j](cinterp(i / cal_entry_max))
for j, cinterp in enumerate(interp)
]
R, G, B = (min(max(v, 0), 1) for v in RGB)
cgats += "%.7f %.7f %.7f %.7f\n" % (i / cal_entry_max, R, G, B)
cgats += "END_DATA\n"
with open(icc_profile_filename + owtpt + ".%s.cal" % ogamma,
"wb") as f:
f.write(cgats)
# Add CAL as vcgt to profile
out_profile.tags.vcgt = argyll_cgats.cal_to_vcgt(cgats)
if target_whitepoint:
# Update wtpt tag
(out_profile.tags.wtpt.X, out_profile.tags.wtpt.Y,
out_profile.tags.wtpt.Z) = target_whitepoint
# Write updated profile
out_profile.setDescription(
out_profile.getDescription() + " %s%s" %
(target_whitepoint and "%s " % owtpt[1:] or "", ogamma))
out_profile.calculateID()
out_profile.write(out_filename)
def main(*args, **kwargs):
# Parse arguments
cal_only = kwargs.get("--cal-only", CAL_ONLY)
state = None
xy = None
profile = None
outfilename = None
for i, arg in enumerate(args):
if arg == "-t":
state = "COLORTEMP_DAYLIGHT"
elif arg == "-T":
state = "COLORTEMP_BLACKBODY"
elif arg.startswith("-t") or arg.startswith("-T") or state in (
"COLORTEMP_DAYLIGHT", "COLORTEMP_BLACKBODY"):
if state in ("COLORTEMP_DAYLIGHT", "COLORTEMP_BLACKBODY"):
ctstr = arg
else:
ctstr = arg[2:]
try:
ct = float(ctstr)
except ValueError:
raise Invalid("Invalid color temperature %s" % ctstr)
if arg.startswith("-t") or state == "COLORTEMP_DAYLIGHT":
xy = cm.CIEDCCT2xyY(ct)
if not xy:
raise Invalid(
"Daylight color temperature %i out of range" % ct)
else:
xy = cm.planckianCT2xyY(ct)
if not xy:
raise Invalid(
"Blackbody color temperature %i out of range" % ct)
state = None
elif arg == "-w":
state = "CHROMATICITY"
elif arg.startswith("-w") or state == "CHROMATICITY":
if state == "CHROMATICITY":
xystr = arg
else:
xystr = arg[2:]
xy = xystr.split(",")
if len(xy) != 2:
raise Invalid("Invalid chromaticity: %s" % xystr)
try:
xy = [float(v) for v in xy]
except ValueError:
raise Invalid("Invalid chromaticity %s" % xystr)
state = None
elif os.path.isfile(arg) and i < len(args) - 1:
safe_print("Reading profile:", arg)
profile = ICCP.ICCProfile(arg)
else:
outfilename = os.path.abspath(arg)
if not xy or not outfilename:
raise Invalid(
"Usage: %s [-t temp | -T temp | -w x,y] [--cal-only] [inprofile] outfilename"
% os.path.basename(__file__))
if not profile:
safe_print("Reading display profile")
profile = ICCP.get_display_profile()
# Setup
config.initcfg()
lang.init()
w = worker.Worker()
fn = w.change_display_profile_cal_whitepoint
args = profile, xy[0], xy[1], outfilename, cal_only, USE_COLLINK
# Process
if CAL_ONLY:
fn(*args)
else:
app = BaseApp(0)
app.TopWindow = wx.Frame(None)
w.start(lambda result: app.ExitMainLoop(),
fn,
wargs=args,
progress_msg=lang.getstr("create_profile"))
app.MainLoop()
# Tags
print "Description:", profile.getDescription()
print "Copyright:", profile.getCopyright()
if "dmnd" in profile.tags:
print "Device Manufacturer Description:",
print profile.getDeviceManufacturerDescription()
if "dmdd" in profile.tags:
print "Device Model Description:", profile.getDeviceModelDescription()
if "vued" in profile.tags:
print "Viewing Conditions Description:",
print profile.getViewingConditionsDescription()
wtpt_profile_norm = tuple(n * 100 for n in profile.tags.wtpt.values())
if "chad" in profile.tags:
# undo chromatic adaption of profile whitepoint
X, Y, Z = wtpt_profile_norm
M = colormath.Matrix3x3(profile.tags.chad).inverted()
XR = X * M[0][0] + Y * M[0][1] + Z * M[0][2]
YR = X * M[1][0] + Y * M[1][1] + Z * M[1][2]
ZR = X * M[2][0] + Y * M[2][1] + Z * M[2][2]
wtpt_profile_norm = tuple((n / YR) * 100.0 for n in (XR, YR, ZR))
if "lumi" in profile.tags and isinstance(profile.tags.lumi, ICCP.XYZType):
print "Luminance:", profile.tags.lumi.Y
print "Actual Whitepoint XYZ:", " ".join(str(n) for n in wtpt_profile_norm)
print "Correlated Color Temperature:", colormath.XYZ2CCT(
*wtpt_profile_norm)
if __name__ == "__main__":
for arg in sys.argv[1:] or [ICCP.get_display_profile()]:
profileinfo(arg)