Special Effects

Development Platform:
Visual C++

color_resolver.cpp：Code Content
							#include <iostream.h>
#include <stdio.h>
#include <string.h>
#include<math.h>
#include <stdlib.h>
 
//#include <iomanip>
char color_sort(int color_number)     //颜色分类函数
{
	char color_class[10][10];
   strcpy(color_class[0],"white");   //白色
   strcpy(color_class[1],"orange");  // 橙色
   strcpy(color_class[2],"brown");   // 褐色
   strcpy(color_class[3],"black");   // 黑色
   strcpy(color_class[4],"red");     // 红色
   strcpy(color_class[5],"yellow");  //黄色
   strcpy(color_class[6],"gray");    //灰色
   strcpy(color_class[7],"blue");    //蓝色
   strcpy(color_class[8],"green");   // 绿色
   strcpy(color_class[9],"purple");  // 紫色
	
	cout<<"The color of the picture is "<<color_class[color_number]<<endl;
     return(1);
	};
double Euclid(double R,double G,double B)
{
double euclid;
euclid=sqrt((R-G)*(R-G)+(R-B)*(R-B)+(G-B)*(G-B));//欧几里得距离
return(euclid);
}
double color[3];
double HsvToRgb(double H,double S,double V)
{
double var_h,var_i,var_r,var_g,var_b;
double var_1,var_2,var_3;
double f;
if ( S == 0 )                       //HSV values = 0 ÷ 1
{
   color[0]= V * 255;
   color[1]= V * 255;
   color[2]= V * 255;
}
else
{
   var_h = H / 6;
   //if ( var_h == 6 ) var_h = 0 ;     //H must be < 1
   var_i = int( var_h ) ;   //Or ... var_i = floor( var_h )
   f=var_h-var_i;
   var_1 = V * ( 1 - S );
   var_2 = V * ( 1 - S * f);
   var_3 = V * ( 1 - S * ( 1 - f ) );
   if      ( var_i == 0 ) { var_r = V     ; var_g = var_3 ; var_b = var_1 ;}
   else if ( var_i == 1 ) { var_r = var_2 ; var_g = V     ; var_b = var_1 ;}
   else if ( var_i == 2 ) { var_r = var_1 ; var_g = V     ; var_b = var_3 ;}
   else if ( var_i == 3 ) { var_r = var_1 ; var_g = var_2 ; var_b = V     ;}
   else if ( var_i == 4 ) { var_r = var_3 ; var_g = var_1 ; var_b = V     ;}
   else                   { var_r = V     ; var_g = var_1 ; var_b = var_2 ;}
   color[0]= var_r * 255;                 //RGB results = 0 ÷ 255
   color[1]= var_g * 255;
   color[2]= var_b * 255;
}
cout<<"the picture'R= "<<color[0]<<endl<<"the picture'G= "<<color[1]<<endl<<"the picture'B= "<<color[2]<<endl;//setprecision(3)<<
return(color[0],color[1],color[2]);
}
int main()
{
	int color_number;
	int R;
	int G;
	int B;
    double H;
	double S;
	double V;
	double EUCLID;
 //输入HSV值
cout<<"set the value of H"<<endl;
cin>>H;
cout<<"set the value of S"<<endl;
cin>>S;
cout<<"set the value of V"<<endl;
cin>>V;
//调用HsvToRgb函数
HsvToRgb(H,S,V);
R=(int)color[0];
G=(int)color[1];
B=(int)color[2];
//限定RGB范围
if(R<0||R>255)                             
{cout<<"It is wrong of R"<<endl;
}
if(G<0||G>255)                             
{cout<<"It is wrong of G"<<endl;
}
if(B<0||B>255)                             
{cout<<"It is wrong of B"<<endl;   
}
//颜色对应RGB规则
if(0<=R&&R<=50)                             
	{if(0<=G&&G<=50)
	  {if(0<=B&&B<=50)
       {
     	EUCLID=Euclid(R,G,B);
if(EUCLID<=30)
{
	cout<<"The Euclidean distance of the picture is "<<EUCLID<<endl;//欧几里得距离
	color_number=3;
	color_sort(color_number);//黑色
}}}}
if(210<=R&&R<=255)                             
	{if(210<=G&&G<=255)
	  {if(170<=B&&B<=255)
       {
     	EUCLID=Euclid(R,G,B);
if(EUCLID<=80)
{
	cout<<"The Euclidean distance of the picture is "<<EUCLID<<endl;//欧几里得距离
	color_number=0;
	color_sort(color_number);//白色
}}}}
if(20<=R&&R<=210)                             
	{if(20<=G&&G<=210)
	  {if(20<=B&&B<=210)
       {
     	EUCLID=Euclid(R,G,B);
if(EUCLID<=40)
{
	cout<<"The Euclidean distance of the picture is "<<EUCLID<<endl;//欧几里得距离
	color_number=6;
	color_sort(color_number);//灰色
}}}}
if(130<=R&&R<=255)                             
	{if(0<=G&&G<=120)
	  {if(0<=B&&B<=150)
       {
     	EUCLID=Euclid(R,G,B);
if(130<=EUCLID&&EUCLID<=365)
{
	cout<<"The Euclidean distance of the picture is "<<EUCLID<<endl;//欧几里得距离
	color_number=4;
	color_sort(color_number);//红色
}}}}
if(0<=R&&R<=180)                             
	{if(0<=G&&G<=230)
	  {if(100<=B&&B<=255)
       {
     	EUCLID=Euclid(R,G,B);
if(100<=EUCLID&&EUCLID<=365)
{
	cout<<"The Euclidean distance of the picture is "<<EUCLID<<endl;//欧几里得距离
	color_number=7;
	color_sort(color_number);//蓝色
}}}}
if(0<=R&&R<=200)                             
	{if(100<=G&&G<=255)
	  {if(0<=B&&B<=200)
       {
     	EUCLID=Euclid(R,G,B);
if(60<=EUCLID&&EUCLID<=365)
{
	cout<<"The Euclidean distance of the picture is "<<EUCLID<<endl;//欧几里得距离
	color_number=8;
	color_sort(color_number);//绿色
}}}}
if(130<=R&&R<=255)                             
	{if(60<=G&&G<=170)
	  {if(0<=B&&B<=10)
       {
     	EUCLID=Euclid(R,G,B);
if(160<=EUCLID&&EUCLID<=320)
{
	cout<<"The Euclidean distance of the picture is "<<EUCLID<<endl;//欧几里得距离
	color_number=1;
	color_sort(color_number);//橙色
}}}}
if(70<=R&&R<=255)                             
	{if(30<=G&&G<=70)
	  {if(30<=B&&B<=70)
       {
     	EUCLID=Euclid(R,G,B);
if(50<=EUCLID&&EUCLID<=280)
{
	cout<<"The Euclidean distance of the picture is "<<EUCLID<<endl;//欧几里得距离
	color_number=2;
	color_sort(color_number);//褐色
}}}}
if(130<=R&&R<=255)                             
	{if(110<=G&&G<=255)
	  {if(0<=B&&B<=10)
       {
     	EUCLID=Euclid(R,G,B);
if(180<=EUCLID&&EUCLID<=360)
{
	cout<<"The Euclidean distance of the picture is "<<EUCLID<<endl;//欧几里得距离
	color_number=5;
	color_sort(color_number);//黄色
}}}}
if(90<=R&&R<=190)                             
	{if(0<=G&&G<=140)
	  {if(130<=B&&B<=250)
       {
     	EUCLID=Euclid(R,G,B);
if(80<=EUCLID&&EUCLID<=270)
{
	cout<<"The Euclidean distance of the picture is "<<EUCLID<<endl;//欧几里得距离
	color_number=9;
	color_sort(color_number);//紫色
}}}}
return(1);
}

						