1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
|
/** @file */
#include "hitomezashi_cli.h"
#include "SDL2/SDL.h"
#define OPTPARSE_IMPLEMENTATION
#define OPTPARSE_API static
#include <limits.h>
#include <stdbool.h>
#include <stddef.h>
#include <stdio.h>
#include <stdlib.h>
#include "hitomezashi.h"
#include "hitomezashi_utils.h"
#include "optparse.h"
/** Initialise SDL, pass the information from hitomezashi_cli_handle_args() to
* libhitomezashi, and save the resulting image. */
int main(int argc, char **argv) {
char *out_file_path;
int x_pattern_len;
int y_pattern_len;
char *x_pattern;
char *y_pattern;
int gap;
int thickness;
Uint32 fg_colour;
Uint32 bg_colour;
hitomezashi_cli_handle_args(&out_file_path, &x_pattern_len, &y_pattern_len,
&x_pattern, &y_pattern, &gap, &thickness,
&fg_colour, &bg_colour, argc, 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;
}
struct Hitomezashi_State state;
if (hitomezashi_state_init(&state, x_pattern_len, y_pattern_len, x_pattern,
y_pattern, gap, thickness, fg_colour,
bg_colour) != 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();
}
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"
"-f - (optional) specify the foreground colour in RGB as a 32-bit "
"integer, eg. 0x000000\n"
"-b - (optional) specify the background colour in RGB as a 32-bit "
"integer, eg. 0xFFFFFF\n"
"-h - print this help and exit") < 0) {
exit(Hitomezashi_Cli_Exit_Code_Err_Print_Help);
}
exit(Hitomezashi_Cli_Exit_Code_Success);
}
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,
Uint32 *fg_colour, Uint32 *bg_colour, 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;
*fg_colour = 0x000000;
*bg_colour = 0xffffff;
struct optparse options;
optparse_init(&options, argv);
int option;
while ((option = optparse(&options, ":o:x:y:g:t:f:b: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_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_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 'f':;
long fg_colour_l = strtol(options.optarg, NULL, 0);
if (fg_colour_l < 0 || fg_colour_l > INT_MAX) {
SDL_LogCritical(
SDL_LOG_CATEGORY_ERROR,
"Value for foreground colour must be non-negative and less than %d",
INT_MAX);
exit(Hitomezashi_Cli_Exit_Code_Err_Handle_Args);
}
*fg_colour = fg_colour_l;
break;
case 'b':;
long bg_colour_l = strtol(options.optarg, NULL, 0);
if (bg_colour_l < 0 || bg_colour_l > INT_MAX) {
SDL_LogCritical(
SDL_LOG_CATEGORY_ERROR,
"Value for background colour must be non-negative and less than %d",
INT_MAX);
exit(Hitomezashi_Cli_Exit_Code_Err_Handle_Args);
}
*bg_colour = bg_colour_l;
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);
}
}
|
