def RGB2HSV(R,G,B):
V=[]
S=[]
H=[]
for i in range(len(R)):
V.append([])
S.append([])
H.append([])
for j in range(len(R[i])):
max_rgb=max(R[i][j],B[i][j],G[i][j])
if max_rgb==0:
V[i].append(0)
S[i].append(0)
H[i].append(0)
continue
else:
pass
min_rgb=min(R[i][j],B[i][j],G[i][j])
V[i].append(max_rgb)
S[i].append((max_rgb-min_rgb)/max_rgb)
if max_rgb==min_rgb:
H[i].append(0)
continue
else:
pass
if R[i][j]==max_rgb:
temp_H=round((G[i][j]-B[i][j])/(max_rgb-min_rgb)*60)
elif G[i][j]==max_rgb:
temp_H=round(120+(B[i][j]-R[i][j])/(max_rgb-min_rgb)*60)
elif B[i][j]==max_rgb:
temp_H=round(240+(R[i][j]-G[i][j])/(max_rgb-min_rgb)*60)
while temp_H<0:
temp_H=temp_H+360
H[i].append(temp_H)
return H,S,V
def HSV2RGB(H,S,V):
R2=[]
G2=[]
B2=[]
for i in range(len(H)):
R2.append([])
G2.append([])
B2.append([])
for j in range(len(H[i])):
if S[i][j]==0:
temp_R2=V[i][j]
temp_G2=V[i][j]
temp_B2=V[i][j]
else:
temp_H=H[i][j]/60
case=round(temp_H)
f=temp_H-i
a=round(V[i][j]*(1-S[i][j]))
b=round(V[i][j]*(1-S[i][j]*f))
c=round(V[i][j]*(1-S[i][j]*(1-f)))
if case==0:
temp_R2=V[i][j]
temp_G2=c
temp_B2=a
elif case==1:
temp_R2=b
temp_G2=V[i][j]
temp_B2=a
elif case==2:
temp_R2=a
temp_G2=V[i][j]
temp_B2=c
elif case==3:
temp_R2=a
temp_G2=b
temp_B2=V[i][j]
elif case==4:
temp_R2=c
temp_G2=a
temp_B2=V[i][j]
elif case==5:
temp_R2=V[i][j]
temp_G2=a
temp_B2=b
while temp_R2 not in range(256):
if temp_R2<0:
temp_R2=temp_R2+255
else:
temp_R2=temp_R2-255
R2[i].append(temp_R2)
while temp_G2 not in range(256):
if temp_G2<0:
temp_G2=temp_G2+255
else:
temp_G2=temp_G2-255
G2[i].append(temp_G2)
while temp_B2 not in range(256):
if temp_B2<0:
temp_B2=temp_B2+255
else:
temp_B2=temp_B2-255
B2[i].append(temp_B2)
return R2,G2,B2
'''
R=[[ 0, 10, 50, 70, 90,110,130,150,170,190,210,225],
[ 5, 15, 55, 75, 95,115,135,155,175,195,215,225],
[ 10, 20, 60, 80,100,120,140,160,180,200,220,225],
[ 15, 25, 65, 85,105,125,145,165,185,205,225,225],
[ 20, 30, 70, 90,110,130,150,170,190,210,225,225]]
G=[[225,210,190,170,150,130,110, 90, 70, 50, 10, 0],
[225,215,295,175,155,135,115, 95, 75, 55, 15, 5],
[225,220,200,180,160,140,120,100, 80, 60, 20, 10],
[225,225,205,185,165,145,125,105, 85, 65, 25, 15],
[225,225,210,190,170,150,130,110, 90, 70, 30, 20]]
B=[]
for i in range(len(R)):
B.append([])
for j in range(len(R[i])):
if j%2==0:
B[i].append(R[i][j])
else:
B[i].append(G[i][j])
'''
R=[[0,255,255,0,0,255,0,255,192,128,128,128,0,128,0,0]]
G=[[0,255,0,255,0,255,255,0,192,128,0,128,128,0,128,0]]
B=[[0,255,0,0,255,0,255,255,192,128,0,0,0,128,128,128]]
H,S,V=RGB2HSV(R,G,B)
R2,G2,B2=HSV2RGB(H,S,V)
for i in range(len(R)):
for j in range(len(R[i])):
print('RGB=n')
print(R[i][j],G[i][j],B[i][j],'n')
print('HSV=n')
print(H[i][j],S[i][j],V[i][j],'n')
print('RGB2=n')
print(R2[i][j],G2[i][j],B2[i][j],'n')
