Miscellany

#include <stdio.h>#include <stdlib.h>#include <string.h>#include <SDL/SDL.h>#include <windows.h>#include <math.h>#define IMAGE_WIDTH 200#define IMAGE_HEIGHT 200#define X_MIN -1.5#define X_MAX 0.5#define Y_MIN -1#define Y_MAX 1#define MAX_ITERATIONS 200SDL_Surface *screen = NULL;SDL_Color colours[MAX_ITERATIONS];colours[0].r = 0;colours[0].g = 0;colours[0].b = 0;SDL_Surface *palette;palette = SDL_LoadBMP('palette.png');int i;for(i = 0; i<=MAX_ITERATIONS; i++) {    SDL_Color *rgb = SDL_GetRGB(palette, i, 0);    //colours[i] = Color.new(@rgb.red,@rgb.green,@rgb.blue)}static void draw () {    SDL_Flip (screen);    SDL_Delay (1);}int main (int argc, char *argv[]){    char *msg;    int done;    /* Initialize SDL */    if (SDL_Init (SDL_INIT_VIDEO) < 0)    {        sprintf (msg, "Couldn't initialize SDL: %s\n", SDL_GetError ());        MessageBox (0, msg, "Error", MB_ICONHAND);         free (msg);        exit (1);    }    atexit (SDL_Quit);    /* Set 640x480 16-bits video mode */    screen = SDL_SetVideoMode (IMAGE_WIDTH, IMAGE_HEIGHT, 16, SDL_SWSURFACE | SDL_DOUBLEBUF);    if (screen == NULL)    {        sprintf (msg, "Couldn't set 640x480x16 video mode: %s\n",          SDL_GetError ());        MessageBox (0, msg, "Error", MB_ICONHAND);         free (msg);        exit (2);    }    SDL_WM_SetCaption ("C++/SDL Mandlebrot Fractal", NULL);    done = 0;    while (!done)    {        SDL_Event event;        /* Check for events */        while (SDL_PollEvent (&event))        {            switch (event.type)            {            case SDL_KEYDOWN:                break;            case SDL_QUIT:                done = 1;                break;            default:                break;            }        }        /* Draw to screen */        draw ();    }    return 0;}