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#include <stdio.h>
#include <unistd.h>
#include <stdlib.h>
#include <sys/ioctl.h>
#include <getopt.h>
#include "grids.h"
#include "precision.h"
#include "fractals.h"
void print_usage(FILE* file, char* program_name){
fprintf(file, "Usage: %s [-v] [-i iterations] [-x x_res] [-y y_res] [-z magnification] [-l lower_left] [-u upper_right]\n", program_name);
}
void print_help(){
//TODO: add help
}
void print_info(){
#ifdef EXTENDED_PRECISION
printf("Compiled with long double float precision\n");
#endif
#ifndef EXTENDED_PRECISION
printf("Compiled with double float precision\n");
#endif
}
int main(const int argc, char *argv[]) {
struct winsize w;
ioctl(STDOUT_FILENO, TIOCGWINSZ, &w);
//default values
size_t iterations = 100;
size_t x_res = w.ws_col;
size_t y_res = w.ws_row;
CBASE re_lower_left = -2;
CBASE im_lower_left = -2;
CBASE re_upper_right = 2;
CBASE im_upper_right = 2;
CBASE magnification = 1;
bool verbose = false;
//TODO: allocate adequate size buffer
bool output_to_file = true;
char* output_filename = "fractal.grid";
// TODO: have output format option
// TODO: have output file
static struct option long_options[] = {
{"iterations", required_argument, NULL, 'i'},
{"x-res", required_argument, NULL, 'x'},
{"y-res", required_argument, NULL, 'y'},
{"lower-left", required_argument, NULL, 'l'},
{"upper-right", required_argument, NULL, 'u'},
{"magnification", required_argument, NULL, 'z'},
{"output", required_argument, NULL, 'o'},
{"verbose", no_argument, NULL, 'v'},
{"help", no_argument, NULL, 'h'},
{0, 0, 0, 0} // Termination element
};
//parse command line arguments
int opt;
while((opt = getopt_long(argc, argv, "i:x:y:l:u:z:o:vh", long_options, NULL)) != -1){
switch(opt){
case 'i':
iterations = strtoull(optarg, NULL, 10);
break;
case 'x':
x_res = strtoull(optarg, NULL, 10);
break;
case 'y':
y_res = strtoull(optarg, NULL, 10);
break;
case 'l':
sscanf(optarg, CFORMAT"+"CFORMAT"i", &re_lower_left, &im_lower_left);
break;
case 'u':
sscanf(optarg, CFORMAT"+"CFORMAT"i", &re_upper_right, &im_upper_right);
break;
case 'o':
//TODO: check if can write to location
output_to_file = true;
//TODO:
break;
case 'z':
sscanf(optarg, CFORMAT, &magnification);
if(magnification <= 0){
fprintf(stderr, "Invalid magnification "CFORMAT", exitting\n", magnification);
return 1;
}
break;
case 'v':
verbose = true;
break;
case 'h':
print_usage(stdout, argv[0]);
return 0;
default:
print_usage(stderr, argv[0]);
return 1;
}
}
//const CBASE complex lower_left = re_lower_left + im_lower_left * I;
const complex_t lower_left = { .re=re_lower_left, .im=im_lower_left};
//const CBASE complex upper_right = re_upper_right + im_upper_right * I;
const complex_t upper_right = { .re=re_upper_right, .im=im_upper_right};
grid_t* grid = create_grid(x_res, y_res, iterations, lower_left, upper_right);
if(!grid) return 1;
if(magnification != 1){
if(verbose) printf("Magnification: "CFORMAT"\n", magnification);
zoom_grid(grid, magnification);
}
// params for different fractals
const double degree = 3.0;
// const CBASE complex constant = 0.285L + 0.01L*I;
const complex_t constant = {
.re = 0.285,
.im = 0.01
};
// const CBASE complex constant = -0.835L -0.321L* I;
const double radius = 100;
// enum fractal f = BURNING_SHIP;
enum fractal f = JULIA;
switch(f){
case MANDELBROT:
mandelbrot_grid(grid);
break;
case TRICORN:
tricorn_grid(grid);
break;
case MULTIBROT:
multibrot_grid(grid, degree);
break;
case MULTICORN:
multicorn_grid(grid, degree);
break;
case BURNING_SHIP:
burning_ship_grid(grid);
break;
case JULIA:
julia_grid(grid, constant, radius);
break;
default:
fprintf(stderr, "Unrecognized fractal\n");
return 1;
}
if(verbose)print_grid_info(grid);
//write grid to file
if(output_to_file){
FILE* write_file = fopen("test.grid", "wb");
int err = write_grid(write_file , grid);
if(err == GRID_WRITE_ERROR){
fprintf(stderr, "Error writing occured while writting to file %s\n", output_filename);
}
fclose(write_file);
}
free_grid(grid);
// //attempt to read grid from file
// FILE* read_file = fopen("test2.grid", "rb");
// grid_t* grid2 = read_grid(read_file);
// fclose(read_file);
//
// printf("Grids are %s equal\n", grid_equal(grid, grid2) ? "exactly" :"not exactly");
return 0;
}
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