2010-07-23 57 views

回答

0

你只需要一个函数,它将CMYK值转换为RGB?或者你想转换一个完整的图像,这是CMYK?

对于第一个问题,因为伪rgb2cmyk:

int r,g,b,c,m,y,k; 
int computedC,computedM,computedY; 
int minCMY; 

if(r==0 && g==0 && b==0) return {0,0,0,1} 

computedC = 1 - (r/255); 
computedM = 1 - (g/255); 
computedY = 1 - (b/255); 

minCMY = Math.min(computedC,Math.min(computedM,computedY)); 

computedC = (computedC - minCMY)/(1 - minCMY) ; 
computedM = (computedM - minCMY)/(1 - minCMY) ; 
computedY = (computedY - minCMY)/(1 - minCMY) ; 

return {computedC,computedM,computedY,minCMY}; 

而对周围的其他方式,就计算它向后:)

对于这个问题没有。 2: 它更容易,“因为有一个特殊的工具,称为ColorSpace中: How do I convert images between CMYK and RGB in ColdFusion (Java)?

希望帮助:3