def get(self):
"""Return selected color with format (RGB, HSV, HEX)."""
x = self.coords('cross_v')[0]
y = self.coords('cross_h')[1]
xp = min(x, self.bg.width() - 1)
yp = min(y, self.bg.height() - 1)
height = self.bg.height()
width = self.bg.width()
radius = min(height, width) / 2.0
centre = height / 2, width / 2
rx = x - centre[0]
ry = y - centre[1]
v = self.get_hue()
x2 = rx * rx
y2 = ry * ry
s = int((math.sqrt(x2 + y2) / radius) * 100)
#s = ((x - centre[0])**2.0 + (y - centre[1])**2.0)**0.5 / radius
if s > 100:
s = 100
h = int(180 * ((math.atan2(ry, rx) / math.pi) + 1.0))
h = self._correct_hue_for_disp(h)
r, g, b = hsv_to_rgb(h, s, v)
hexa = rgb_to_hexa(r, g, b)
return (r, g, b), (h, s, v), hexa
def get(self):
"""Return selected color with format (RGB, HSV, HEX)."""
x = self.coords('cross_v')[0]
y = self.coords('cross_h')[1]
xp = min(x, self.bg.width() - 1)
yp = min(y, self.bg.height() - 1)
h = self.get_hue()
s = round2((1 - float(y) / self.winfo_height()) * 100)
v = round2(100 * float(x) / self.winfo_width())
r, g, b = hsv_to_rgb(h, s, v)
hexa = rgb_to_hexa(r, g, b)
return (r, g, b), (h, s, v), hexa
def _update_color_hsv(self, event=None):
"""Update display after a change in the HSV spinboxes."""
if event is None or event.widget.old_value != event.widget.get():
h = self.hue.get()
s = self.saturation.get()
v = self.value.get()
sel_color = hsv_to_rgb(h, s, v)
self.red.set(sel_color[0])
self.green.set(sel_color[1])
self.blue.set(sel_color[2])
hexa = rgb_to_hexa(*sel_color)
self.hexa.delete(0, "end")
self.hexa.insert(0, hexa)
self.square.set_hsv((h, s, v))
self.bar.set(h)
self._update_preview()
def _fill(self):
"""Create the gradient."""
r, g, b = hue2col(self._hue)
width = self.winfo_width()
height = self.winfo_height()
h = float(height - 1)
w = float(width - 1)
if height:
data = []
brightness = int(self._hue) #int(self._hue/255*100)
radius = min(height, width) / 2.0
centre = height / 2, width / 2
crf = COLORCOR_MAX / self.cr
cgf = COLORCOR_MAX / self.cg
cbf = COLORCOR_MAX / self.cb
for y in range(height):
line = []
ry = y - centre[1]
y2 = ry * ry
for x in range(width):
rx = x - centre[0]
x2 = rx * rx
s = int((math.sqrt(x2 + y2) / radius) * 100)
# s = ((x2 + (y - centre[1])**2.0)**0.5 / radius
if s <= 100:
h = int(((math.atan2(ry, rx) / math.pi) + 1.0) * 180)
h = self._correct_hue_for_disp(h)
rxy, gxy, bxy = hsv_to_rgb(h, s, 100)
rxy = int(rxy * crf)
gxy = int(gxy * cgf)
bxy = int(bxy * cbf)
if rxy > 255: rxy = 255
if gxy > 255: gxy = 255
if bxy > 255: bxy = 255
color = rgb_to_hexa(rxy, gxy, bxy)
else:
color = rgb_to_hexa(255, 255, 255)
line.append(color)
data.append("{" + " ".join(line) + "}")
self.bg.put(" ".join(data))
def keycolor_to_dispcolor(self, keycolor):
r,g,b = hexa_to_rgb(keycolor)
args = (r,g,b)
h,s,v = rgb_to_hsv(*args)
r2,g2,b2 = self._correct_rgb_disp(*args)
#--- palette colors will be displayed with brightness = 100
args2 = (r2,g2,b2)
h2,s2,v2 = rgb_to_hsv(*args2)
r3,g3,b3 = hsv_to_rgb(h2,s2,100)
args3 = (r3,g3,b3)
disp_color = rgb_to_hexa(*args3)
if PERCENT_BRIGHTNESS: # 03.12.19:
brightness = str(v) + " %"
else:
brightness = ""
v3 = v/10
for j in range(10):
if j<v3:
brightness = brightness + ">"
return disp_color, brightness
def get(self):
"""Return selected color with format (RGB, HSV, HEX)."""
x = self.coords('cross_v')[0]
y = self.coords('cross_h')[1]
xp = min(x, self.bg.width() - 1)
yp = min(y, self.bg.height() - 1)
try:
r, g, b = self.bg.get(round2(xp), round2(yp))
except ValueError:
r, g, b = self.bg.get(round2(xp), round2(yp)).split()
r, g, b = int(r), int(g), int(b)
h, s, v = rgb_to_hsv(r, g, b)
height = self.bg.height()
width = self.bg.width()
radius = min(height, width) / 2.0
centre = height / 2, width / 2
rx = x - centre[0]
ry = y - centre[1]
v = self.get_hue()
s = ((x - centre[0])**2.0 + (y - centre[1])**2.0)**0.5 / radius
if s > 1.0:
s = 100
else:
s = int(s * 100)
h = int(360 * ((math.atan2(ry, rx) / math.pi) + 1.0) / 2.0)
r, g, b = hsv_to_rgb(h, s, v)
hexa = rgb_to_hexa(r, g, b)
# r, g, b = hsv_to_rgb(h, s, v)
# s = round2((1 - float(y) / self.winfo_height()) * 100)
# v = round2(100 * float(x) / self.winfo_width())
return (r, g, b), (h, s, v), hexa
def test_hsv_to_rgb(self):
self.assertEqual(tkf.hsv_to_rgb(0, 100, 100), (255, 0, 0))