#include 
     
      #include 
      
       #include 
       
        #define DIM 1024#define DM1 (DIM-1)#define _sq(x) ((x)*(x)) // square#define _cb(x) abs((x)*(x)*(x)) // absolute value of cube#define _cr(x) (unsigned char)(pow((x),1.0/3.0)) // cube root unsigned char GR(int,int);unsigned char BL(int,int); unsigned char RD(int i,int j){    float s=3./(j+99);    float y=(j+sin((i*i+_sq(j-700)*5)/100./DIM)*35)*s;    return (int((i+DIM)*s+y)%2+int((DIM*2-i)*s+y)%2)*127;}unsigned char GR(int i,int j){    float s=3./(j+99);    float y=(j+sin((i*i+_sq(j-700)*5)/100./DIM)*35)*s;    return (int(5*((i+DIM)*s+y))%2+int(5*((DIM*2-i)*s+y))%2)*127;}unsigned char BL(int i,int j){    float s=3./(j+99);    float y=(j+sin((i*i+_sq(j-700)*5)/100./DIM)*35)*s;    return (int(29*((i+DIM)*s+y))%2+int(29*((DIM*2-i)*s+y))%2)*127;}void pixel_write(int,int);FILE *fp;int main(){    fp = fopen("MathPic.png","wb");    fprintf(fp, "P6\n%d %d\n255\n", DIM, DIM);    for(int j=0;j
       
      
     

 

# 上边代码保存为 draw.cpp  编译与运行g++ draw.cpp -o draw  (编译)./draw  (运行)然后当前目录就会出现 MathPic.png

 

 

http://www.matrix67.com/blog/archives/6039