RGB_Cartesian.c

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

#define COLORS_SIZE 256

struct PixelTuple
{
	int red;
	int green;
	int blue;
};

typedef struct PixelTuple pxtup;


void main()
{
	int i, j, k, l, pxindex = 0, valuearray[COLORS_SIZE];
	FILE* pxF;
	static pxtup pxarray[COLORS_SIZE * COLORS_SIZE * COLORS_SIZE];
	for (i = 0; i < COLORS_SIZE; i++)
	{
		valuearray[i] = i;
	}
	for (i = 0; i < COLORS_SIZE; i++)
	{
		for (j = 0; j < COLORS_SIZE; j++)
		{
			for (k = 0; k < COLORS_SIZE; k++)
			{
				pxarray[pxindex].red = valuearray[i];
				pxarray[pxindex].green = valuearray[j];
				pxarray[pxindex++].blue = valuearray[k];
			}
		}
	}
	pxF= fopen("PixelTuple.bin", "wb");
	if (pxF == NULL)
	{
		printf("Error opening file\n");
		return;
	}

	fwrite(&pxarray, sizeof(pxtup), COLORS_SIZE * COLORS_SIZE * COLORS_SIZE, pxF);
	fclose(pxF);
	
	printf("Done\n");
}