def on_rgb_press(self,r,g,b):
"""
Callback to rgb button
"""
self.rgb = introcs.RGB(r, g, b)
self.hsv = a2.rgb_to_hsv(self.rgb)
assert (self.hsv == None or type(self.hsv) == introcs.HSV), \
'rgb_to_hsv does not return a HSV object'
self.cmyk = a2.rgb_to_cmyk(self.rgb)
assert (self.cmyk == None or type(self.cmyk) == introcs.CMYK), \
'rgb_to_cmyk does not return a CMYK object'
self.update()
def test_rgb_to_cmyk():
"""
Test translation function rgb_to_cmyk
"""
rgb = introcs.RGB(255, 255, 255)
cmyk = a2.rgb_to_cmyk(rgb)
introcs.assert_equals('0.000', a2.str5(cmyk.cyan))
introcs.assert_equals('0.000', a2.str5(cmyk.magenta))
introcs.assert_equals('0.000', a2.str5(cmyk.yellow))
introcs.assert_equals('0.000', a2.str5(cmyk.black))
rgb = introcs.RGB(0, 0, 0)
cmyk = a2.rgb_to_cmyk(rgb)
introcs.assert_equals('0.000', a2.str5(cmyk.cyan))
introcs.assert_equals('0.000', a2.str5(cmyk.magenta))
introcs.assert_equals('0.000', a2.str5(cmyk.yellow))
introcs.assert_equals('100.0', a2.str5(cmyk.black))
rgb = introcs.RGB(217, 43, 164)
cmyk = a2.rgb_to_cmyk(rgb)
introcs.assert_equals('0.000', a2.str5(cmyk.cyan))
introcs.assert_equals('80.18', a2.str5(cmyk.magenta))
introcs.assert_equals('24.42', a2.str5(cmyk.yellow))
introcs.assert_equals('14.90', a2.str5(cmyk.black))
rgb = introcs.RGB(0, 165, 39)
cmyk = a2.rgb_to_cmyk(rgb)
introcs.assert_equals('100.0', a2.str5(cmyk.cyan))
introcs.assert_equals('0.000', a2.str5(cmyk.magenta))
introcs.assert_equals('76.36', a2.str5(cmyk.yellow))
introcs.assert_equals('35.29', a2.str5(cmyk.black))
rgb = introcs.RGB(23, 66, 188)
cmyk = a2.rgb_to_cmyk(rgb)
introcs.assert_equals('87.77', a2.str5(cmyk.cyan))
introcs.assert_equals('64.89', a2.str5(cmyk.magenta))
introcs.assert_equals('0.000', a2.str5(cmyk.yellow))
introcs.assert_equals('26.27', a2.str5(cmyk.black))
def on_hsv_press(self,h,s,v):
"""
Callback to hsv button
"""
self.hsv = introcs.HSV(h, s, v)
temp = a2.hsv_to_rgb(self.hsv)
assert (temp == None or type(temp) == introcs.RGB), \
'hsv_to_rgb does not return a RGB object'
self.rgb = self.rgb if temp is None else temp
self.cmyk = a2.rgb_to_cmyk(self.rgb);
assert (self.cmyk == None or type(self.cmyk) == introcs.CMYK), \
'rgb_to_cmyk does not return a CMYK object'
self.update()
def register(self):
"""
Initializes color values and forces refresh
"""
active = True
self.rgb = introcs.RGB(0, 255, 0)
self.cmyk = a2.rgb_to_cmyk(self.rgb)
assert (self.cmyk == None or type(self.cmyk) == introcs.CMYK), \
'rgb_to_cmyk does not return a CMYK object'
self.hsv = a2.rgb_to_hsv(self.rgb)
assert (self.hsv == None or type(self.hsv) == introcs.HSV), \
'rgb_to_hsv does not return a HSV object'
self.top.register()
self.update()
def test_rgb_to_cmyk():
"""
Test translation function rgb_to_cmyk
"""
rgb = introcs.RGB(255, 255, 255)
cmyk = a2.rgb_to_cmyk(rgb)
introcs.assert_equals('0.000', a2.str5(cmyk.cyan))
introcs.assert_equals('0.000', a2.str5(cmyk.magenta))
introcs.assert_equals('0.000', a2.str5(cmyk.yellow))
introcs.assert_equals('0.000', a2.str5(cmyk.black))
rgb = introcs.RGB(0, 0, 0)
cmyk = a2.rgb_to_cmyk(rgb)
introcs.assert_equals('0.000', a2.str5(cmyk.cyan))
introcs.assert_equals('0.000', a2.str5(cmyk.magenta))
introcs.assert_equals('0.000', a2.str5(cmyk.yellow))
introcs.assert_equals('100.0', a2.str5(cmyk.black))
rgb = introcs.RGB(217, 43, 164)
cmyk = a2.rgb_to_cmyk(rgb)
introcs.assert_equals('0.000', a2.str5(cmyk.cyan))
introcs.assert_equals('80.18', a2.str5(cmyk.magenta))
introcs.assert_equals('24.42', a2.str5(cmyk.yellow))
introcs.assert_equals('14.90', a2.str5(cmyk.black))
def on_rgb_slide(self,r,g,b):
"""
Callback to rgb sliders
"""
if not self.active:
return
red = int(round(r / 100.0))
green = int(round(g / 100.0))
blue = int(round(b / 100.0))
self.rgb = introcs.RGB(red, green, blue)
self.hsv = a2.rgb_to_hsv(self.rgb)
assert (self.hsv == None or type(self.hsv) == introcs.HSV), \
'rgb_to_hsv does not return a HSV object'
self.cmyk = a2.rgb_to_cmyk(self.rgb)
assert (self.cmyk == None or type(self.cmyk) == introcs.CMYK), \
'rgb_to_cmyk does not return a CMYK object'
self.update()
def on_hsv_slide(self,h,s,v):
"""
Callback to hsv sliders
"""
if not self.active:
return
hue = h / 100.0
sat = s / 100.0
val = v / 100.0
self.hsv = introcs.HSV(hue, sat, val)
temp = a2.hsv_to_rgb(self.hsv)
assert (temp == None or type(temp) == introcs.RGB), \
'hsv_to_rgb does not return a RGB object'
self.rgb = self.rgb if temp is None else temp
self.cmyk = a2.rgb_to_cmyk(self.rgb);
assert (self.cmyk == None or type(self.cmyk) == introcs.CMYK), \
'rgb_to_cmyk does not return a CMYK object'
self.update()
def update(self, rgb, cmyk, hsv):
"""
Refreshes the color and text display in the color panels
"""
compRGB = a2.complement_rgb(rgb)
if (compRGB is None):
compRGB = rgb
rgb_str = rgb_to_str(rgb)
cmyk_str = '' if cmyk is None else str5_cmyk(cmyk)
hsv_str = '' if hsv is None else str5_hsv(hsv)
self.main.text = ("ORIGINAL COLOR\n\n"+
"Color\nRGB: " + rgb_str +
"\nCMYK: " + cmyk_str +
"\nHSV: " + hsv_str + "\n \n" +
"R,G,B sliders in: 0..255\n" +
"C,M,Y,K sliders: 0 to 100%\n" +
"H slider: 0 <= H < 360 degrees\n" +
"S,V sliders: 0 <= S,V <= 1")
self.main.background = rgb.glColor()
self.main.foreground = compRGB.glColor()
if self.menu.text in self.menu.data:
matrix = self.menu.data[self.menu.text]
else:
matrix = self.menu.data['Normal']
cbrgb = a2.apply_matrix(matrix,rgb)
rgb_str = rgb_to_str(cbrgb)
try:
cmyk_str = str5_cmyk(a2.rgb_to_cmyk(cbrgb))
if cmyk_str is None:
cmyk_str = ''
except:
cmyk_str = ''
try:
hsv_str = str5_hsv(a2.rgb_to_hsv(cbrgb))
if hsv_str is None:
hsv_str = ''
except:
hsv_str = ''
self.comp.text = ("TRANSFORMED COLOR\n\n"+
"Color\nRGB: " + rgb_str +
"\nCMYK: " + cmyk_str +
"\nHSV: " + hsv_str + "\n \n" +
"R,G,B sliders in: 0..255\n" +
"C,M,Y,K sliders: 0 to 100%\n" +
"H slider: 0 <= H < 360 degrees\n" +
"S,V sliders: 0 <= S,V <= 1" )
self.comp.background = cbrgb.glColor()
self.comp.foreground = a2.apply_matrix(matrix,compRGB).glColor()
# set the sliders
self.rSlider.value = rgb.red*100
self.gSlider.value = rgb.green*100
self.bSlider.value = rgb.blue*100
self.cSlider.value = 0 if cmyk is None else cmyk.cyan*100
self.mSlider.value = 0 if cmyk is None else cmyk.magenta*100
self.ySlider.value = 0 if cmyk is None else cmyk.yellow*100
self.kSlider.value = 0 if cmyk is None else cmyk.black*100
self.hSlider.value = 0 if hsv is None else hsv.hue*100
self.sSlider.value = 0 if hsv is None else hsv.saturation*100
self.vSlider.value = 0 if hsv is None else hsv.value*100
