diff options
Diffstat (limited to 'hitomezashi_cli.c')
| -rw-r--r-- | hitomezashi_cli.c | 177 |
1 files changed, 0 insertions, 177 deletions
diff --git a/hitomezashi_cli.c b/hitomezashi_cli.c deleted file mode 100644 index c83affe..0000000 --- a/hitomezashi_cli.c +++ /dev/null @@ -1,177 +0,0 @@ -#include "hitomezashi_cli.h" -#include "SDL.h" -#define OPTPARSE_IMPLEMENTATION -#define OPTPARSE_API static -#include "hitomezashi.h" -#include "optparse/optparse.h" -#include <limits.h> -#include <stdbool.h> -#include <stddef.h> -#include <stdio.h> -#include <stdlib.h> - -int main(int argc, char **argv) { - if (SDL_Init(SDL_INIT_VIDEO) != 0) { - SDL_LogCritical(SDL_LOG_CATEGORY_ERROR, "Failed to initialise SDL: %s", - SDL_GetError()); - return Hitomezashi_Cli_Exit_Code_Err_Sdl_Init; - } - - char *out_file_path; - int x_pattern_len; - int y_pattern_len; - char *x_pattern; - char *y_pattern; - int gap; - int thickness; - hitomezashi_cli_handle_args(&out_file_path, &x_pattern_len, &y_pattern_len, - &x_pattern, &y_pattern, &gap, &thickness, argc, - argv); - - struct Hitomezashi_State state; - if (hitomezashi_state_init(&state, x_pattern_len, y_pattern_len, x_pattern, - y_pattern, gap, thickness) != 0) { - return Hitomezashi_Cli_Exit_Code_Err_State_Init; - } - - hitomezashi_draw(&state); - - if (SDL_SaveBMP(state.surface, out_file_path) != 0) { - SDL_LogCritical(SDL_LOG_CATEGORY_ERROR, "Failed to save image"); - return Hitomezashi_Cli_Exit_Code_Err_Save_Image; - } - - SDL_FreeSurface(state.surface); - free(state.x_pattern); - free(state.y_pattern); - - SDL_Quit(); -} - -// Attempts to prints help. Exits 0 on success, 2 on failure. -void hitomezashi_cli_help(void) { - if (puts("hitomezashi_cli - generate hitomezashi patterns\n" - "Options:\n" - "-o - specify the output image (BMP) path\n" - "-x - specify the x pattern as a string of zeroes and ones (eg. " - "0101)\n" - "-y - specify the y pattern, as with -x\n" - "-g - specify the gap between lines as an integer\n" - "-t - specify the line thickness as an integer\n" - "-h - print this help and exit") < 0) { - exit(Hitomezashi_Cli_Exit_Code_Err_Print_Help); - } - exit(Hitomezashi_Cli_Exit_Code_Success); -} - -char *hitomezashi_cli_ascii_binary_str_to_ints(char *ascii_str, size_t n) { - char *res = malloc(n); - for (int i = 0; i < n; ++i) { - switch (ascii_str[i]) { - case '0':; - res[i] = 0; - break; - case '1':; - res[i] = 1; - break; - default:; - free(res); - return NULL; - } - } - return res; -} - -// Parses arguments with xgetopt, ensures they are valid, initialises various -// variables based on them. Prints and exits if it encounters an error. -void hitomezashi_cli_handle_args(char **out_file_path, int *x_pattern_len, - int *y_pattern_len, char **x_pattern, - char **y_pattern, int *gap, int *thickness, - int argc, char **argv) { - bool out_file_path_specified = false; - bool x_pattern_specified = false; - bool y_pattern_specified = false; - bool gap_specified = false; - bool thickness_specified = false; - - struct optparse options; - optparse_init(&options, argv); - int option; - while ((option = optparse(&options, ":o:x:y:g:t:h")) != -1) { - switch (option) { - case 'o':; - *out_file_path = options.optarg; - out_file_path_specified = true; - break; - case 'x':; - size_t x_pattern_len_l = strlen(options.optarg); - if (x_pattern_len_l >= INT_MAX) { - SDL_LogCritical(SDL_LOG_CATEGORY_ERROR, - "X pattern length must be shorter than %d", INT_MAX); - exit(Hitomezashi_Cli_Exit_Code_Err_Handle_Args); - } - *x_pattern_len = x_pattern_len_l; - *x_pattern = hitomezashi_cli_ascii_binary_str_to_ints(options.optarg, - *x_pattern_len); - if (!*x_pattern) { - SDL_LogCritical(SDL_LOG_CATEGORY_ERROR, "Invalid x pattern; see -h"); - exit(Hitomezashi_Cli_Exit_Code_Err_Handle_Args); - } - x_pattern_specified = true; - break; - case 'y':; - size_t y_pattern_len_l = strlen(options.optarg); - if (y_pattern_len_l >= INT_MAX) { - SDL_LogCritical(SDL_LOG_CATEGORY_ERROR, - "Y pattern length must be shorter than %d", INT_MAX); - exit(Hitomezashi_Cli_Exit_Code_Err_Handle_Args); - } - *y_pattern_len = y_pattern_len_l; - *y_pattern = hitomezashi_cli_ascii_binary_str_to_ints(options.optarg, - *y_pattern_len); - if (!*y_pattern) { - SDL_LogCritical(SDL_LOG_CATEGORY_ERROR, "Invalid y pattern; see -h"); - exit(Hitomezashi_Cli_Exit_Code_Err_Handle_Args); - } - y_pattern_specified = true; - break; - case 'g':; - long gap_l = strtol(options.optarg, NULL, 0); - if (gap_l <= 0 || gap_l >= INT_MAX) { - SDL_LogCritical(SDL_LOG_CATEGORY_ERROR, - "Value for gap must be positive and less than %d", - INT_MAX); - exit(Hitomezashi_Cli_Exit_Code_Err_Handle_Args); - } - *gap = gap_l; - gap_specified = true; - break; - case 't':; - long thickness_l = strtol(options.optarg, NULL, 0); - if (thickness_l <= 0 || thickness_l >= INT_MAX) { - SDL_LogCritical( - SDL_LOG_CATEGORY_ERROR, - "Value for line thickness must be positive and less than %d", - INT_MAX); - exit(Hitomezashi_Cli_Exit_Code_Err_Handle_Args); - } - *thickness = thickness_l; - thickness_specified = true; - break; - case 'h':; - hitomezashi_cli_help(); - break; - default:; - SDL_LogCritical(SDL_LOG_CATEGORY_ERROR, - "Invalid argument: run with -h for help"); - exit(Hitomezashi_Cli_Exit_Code_Err_Handle_Args); - } - } - if (!(out_file_path_specified && x_pattern_specified && y_pattern_specified && - gap_specified && thickness_specified)) { - SDL_LogCritical( - SDL_LOG_CATEGORY_ERROR, - "-o, -x, -y, -g, -t *must* be specified; run with -h for help"); - exit(Hitomezashi_Cli_Exit_Code_Err_Handle_Args); - } -} |