问生成带有2,073,600种独特颜色的1920 x 1080图形

EN

#include <windows.h>
#include <vector>
#include <algorithm>
#define X _complex
#define U int
#define S(j,g)std::sort(j.begin(),j.end(),g);
U w=1920,h=1080;
WORD q[27]={'MB',36918,126,0,0,54,0,40,0,w,0,h,0,1,32,0,0,36864,126};
#define V(a,b)((a>>b)&255)
#define L(z)V(z,16)*.3+V(z,8)*.6+V(z,0)*.1
#define F for(c=0;c<w*h;c++)
U C(U a,U b){return L(a)<L(b);}
U M(X a,X b){return a.x<b.x;}
U main(U c,char**v){
std::vector<U>l;
std::vector<X>D;
F l.push_back(c);
U*i=new U[c];
DWORD p;
F{float r=0,i=0,R;p=0;
for(;p<w&&r*r+i*i<4;p++){R=r*r-i*i;i=2*r*i+(c/w-h/2)/400.;r=R+(c%w-w/2)/400.;}
X d={-p-r*r-i*i,c};
D.push_back(d);}
S(l,C)
S(D,M)
F i[(U)D[c].y]=l[c];
void*f=CreateFileA(v[1],4<<28,0,0,2,0,0);
WriteFile(f,q,54,&p,0);
WriteFile(f,i,w*h*4,&p,0);}

#include <stdlib.h>
#include <stdio.h>

#define W 1920
#define H 1080

typedef struct {unsigned char r, g, b;} RGB;

int S1(const void *a, const void *b)
{
        const RGB *p = a, *q = b;
        int result = 0;

        if (!result)
                result = (p->b + p->g * 6 + p->r * 3) - (q->b + q->g * 6 + q->r * 3);

        return result;
}

int S2(const void *a, const void *b)
{
        const RGB *p = a, *q = b;
        int result = 0;

        if (!result)
                result = p->b - q->b;
        if (!result)
                result = p->g - q->g;
        if (!result)
                result = q->r - p->r;

        return result;
}

int main()
{
        int i, j, n;
        RGB *rgb = malloc(sizeof(RGB) * W * H);
        RGB c[H];

        for (i = 0; i < W * H; i++)
        {
                rgb[i].b = i & 0xff;
                rgb[i].g = (i >> 8) & 0xff;
                rgb[i].r = (i >> 16) & 0xff;
        }

        qsort(rgb, H * W, sizeof(RGB), S1);

        for (n = 0; n < 2; n++)
        {
                for (i = 0; i < W; i++)
                {
                        for (j = 0; j < H; j++)
                                c[j] = rgb[j * W + i];
                        qsort(c, H, sizeof(RGB), S2);
                        for (j = 0; j < H; j++)
                                rgb[j * W + i] = c[j];
                }

                for (i = 0; i < W * H; i += W)
                        qsort(rgb + i, W, sizeof(RGB), S1);
        }

        printf("P6 %d %d 255\n", W, H);
        fwrite(rgb, sizeof(RGB), W * H, stdout);

        free(rgb);

        return 0;
}

#include <stdio.h>
#include <math.h>

int main(int argc, char **argv)
{
        int x, y;
        int w = (argc > 1)? atoi(argv[1]): 1920;
        int h = (argc > 2)? atoi(argv[2]): 1080;
        double l = hypot(w, h);

        fprintf(stdout, "P6 %d %d 255\n", w, h);

        for (y = 0; y < h; y++)
        {
                for (x = 0; x < w; x++)
                {
                        unsigned char v[3];
                        v[0] = floor(256 * hypot(0 - x, h - y) / l);
                        v[1] = floor(256 * hypot(w - x, h - y) / l);
                        v[2] = floor(256 * hypot(w - x, 0 - y) / l);
                        fwrite(v, sizeof(unsigned char), 3, stdout);
                }
        }

        return 0;
}

require'chunky_png';i=ChunkyPNG::Image.new 1920,1080
i.area.times{|v|i[*(v.divmod(1080))]=v<<8|255};i.save ?i