commit 5a47c0e88dfc5d04f2314316f45a2c95a5ddcabb
parent 0cd317758c4d173d04789a15364cd074ec893d7a
Author: Jake Koroman <jakekoroman@gmail.com>
Date: Tue, 8 Oct 2024 14:43:45 -0400
ascii-gen.c: fix formatting.
Diffstat:
| M | ascii_gen.c | | | 263 | +++++++++++++++++++++++++++++++++++++------------------------------------------ |
1 file changed, 122 insertions(+), 141 deletions(-)
diff --git a/ascii_gen.c b/ascii_gen.c
@@ -24,40 +24,40 @@ typedef uint8_t uint8;
#define SET_SIZE_SHORT 10
typedef enum {
- SET_TYPE_SHORT,
- SET_TYPE_LONG,
- SET_TYPE_CUSTOM,
+ SET_TYPE_SHORT,
+ SET_TYPE_LONG,
+ SET_TYPE_CUSTOM,
} SetType;
typedef struct {
- char in_file[BUF_CAP];
- char out_file[BUF_CAP];
- char set[BUF_CAP];
- SetType set_type; // defaults to short
- int set_size;
- int scale;
- bool debug;
+ char in_file[BUF_CAP];
+ char out_file[BUF_CAP];
+ char set[BUF_CAP];
+ SetType set_type; // defaults to short
+ int set_size;
+ int scale;
+ bool verbose;
bool inverted;
} Options;
internal inline int
map(int x, int a, int b, int c, int d)
{
- return (x - a) * (d - c) / (b - a);
+ return (x - a) * (d - c) / (b - a);
}
internal void
print_docs(const char *fname)
{
- printf("Usage: %s img [-o file] [-s scale] [-S set] [-hltv]\n", fname);
- printf(" -h: Shows help\n");
- printf(" -o: Output to file, if no file is given it will output to stdout\n");
- printf(" -s: The scale of the output image, defaults to 1\n");
- printf(" -S: The character set that will be used to generate the output, defaults to the builtin 'short' character set\n");
- printf(" -l: Uses the builtin 'long' character set for generating the output\n");
- printf(" -t: Uses the builtin 'short' character set for generating the output\n");
- printf(" -i: Uses the builtin 'short' character set but inverted\n");
- printf(" -v: Shows debug info\n");
+ printf("Usage: %s img [-o file] [-s scale] [-S set] [-hltv]\n", fname);
+ printf(" -h: Shows help\n");
+ printf(" -o: Output to file, if no file is given it will output to stdout\n");
+ printf(" -s: The scale of the output image, defaults to 1\n");
+ printf(" -S: The character set that will be used to generate the output, defaults to the builtin 'short' character set\n");
+ printf(" -l: Uses the builtin 'long' character set for generating the output\n");
+ printf(" -t: Uses the builtin 'short' character set for generating the output\n");
+ printf(" -i: Uses the builtin 'short' character set but inverted\n");
+ printf(" -v: Shows verbose info\n");
}
// Parses args with getopt and fills an Options struct of all the options passed
@@ -65,59 +65,52 @@ print_docs(const char *fname)
internal void
parse_args(int argc, char **argv, Options *options)
{
- int opt;
- options->scale = 1;
-
- while ((opt = getopt(argc, argv, ":o:hls:S:vic")) != -1)
- {
- switch (opt)
- {
- case 'o':
+ int opt;
+ options->scale = 1;
+
+ while ((opt = getopt(argc, argv, ":o:hls:S:vic")) != -1)
+ {
+ switch (opt)
{
+ case 'o':
strncpy(options->out_file, optarg, BUF_CAP);
- } break;
+ break;
case 'h':
- {
print_docs(argv[0]);
exit(0);
- } break;
+ break;
- case 's':
- {
+ case 's': {
options->scale = atoi(optarg);
if (options->scale == 0) {
fprintf(stderr, "Invalid scale '%s'\n", optarg);
exit(69);
}
- } break;
+ } break;
case 'v':
- {
- options->debug = true;
- } break;
+ options->verbose = true;
+ break;
case 'l':
- {
options->set_type = SET_TYPE_LONG;
options->set_size = SET_SIZE_LONG;
strncpy(options->set, SET_LONG, BUF_CAP);
- } break;
+ break;
- case 't': // 't' for tiny I guess? wanted to keep 's' for scale
- {
+ // 't' for tiny I guess? wanted to keep 's' for scale:
+ case 't':
// Redundant because it will default to short but sometimes
// it's nice to request it even though its default.
options->set_type = SET_TYPE_SHORT;
- } break;
+ break;
case 'i':
- {
options->inverted = true;
- } break;
+ break;
- case 'S':
- {
+ case 'S': {
int size = strnlen(optarg, BUF_CAP);
options->set_size = size;
@@ -127,125 +120,113 @@ parse_args(int argc, char **argv, Options *options)
} break;
case '?':
- {
printf("Unknown Option: %c\n", optopt);
exit(69);
- } break;
+ break;
case ':':
- {
printf("Missing arg for %c\n", optopt);
exit(69);
- } break;
+ break;
default:
- {
printf("Something broke\n");
break;
}
- }
- }
+ }
- if (options->set_type == SET_TYPE_SHORT) {
- options->set_size = SET_SIZE_SHORT;
+ if (options->set_type == SET_TYPE_SHORT) {
+ options->set_size = SET_SIZE_SHORT;
if (options->inverted)
strncpy(options->set, SET_SHORT_INVERTED, BUF_CAP);
else
strncpy(options->set, SET_SHORT, BUF_CAP);
- }
-
- if (optind < argc) {
- strncpy(options->in_file, argv[optind], BUF_CAP);
- }
+ }
+ if (optind < argc)
+ strncpy(options->in_file, argv[optind], BUF_CAP);
}
int
main(int argc, char **argv)
{
- if (argc < 2) {
- printf("Basic Usage: %s img [-o file]\n", argv[0]);
- exit(69);
- }
-
- Options options = {0};
- parse_args(argc, argv, &options);
-
- if (options.debug) {
- printf("In File : %s\n", options.in_file);
- printf("Out File : %s\n", options.out_file);
- printf("Scale : %d\n", options.scale);
- printf("Set size : %d\n", options.set_size);
- printf("Set type : %d\n", options.set_type);
- printf("Set : %s\n", options.set);
- }
-
- // TODO(jake): Maybe bundle this stuff up? including the resized stuff?
- int width, height;
- int channels = 1;
- uint8 *image_bytes = stbi_load(options.in_file, &width, &height, NULL, channels);
-
- if (!image_bytes) {
- fprintf(stderr, "Couldn't Open file %s\n", options.in_file);
- exit(69);
- }
-
- int nw = width / options.scale;
- int nh = height / options.scale;
- bool resized = false;
- uint8 *resized_bytes;
-
- if (options.scale > 1) {
- int stride = 0;
- resized = true;
- resized_bytes = malloc(sizeof(uint8) * (nw * nh));
- if (!stbir_resize_uint8(image_bytes, width, height, stride,
- resized_bytes, nw, nh, stride, channels)) // only resizes if the scale is greater than 1
- {
- printf("Couldn't Resize Image\n");
- exit(69);
- }
- } else {
- resized_bytes = image_bytes;
- }
-
- FILE *f = NULL;
- if (strncmp(options.out_file, "", BUF_CAP)) {
- f = fopen(options.out_file, "w");
+ if (argc < 2) {
+ printf("Basic Usage: %s img [-o file]\n", argv[0]);
+ exit(69);
+ }
+
+ Options options = {0};
+ parse_args(argc, argv, &options);
+
+ if (options.verbose) {
+ printf("In File : %s\n", options.in_file);
+ printf("Out File : %s\n", options.out_file);
+ printf("Scale : %d\n", options.scale);
+ printf("Set size : %d\n", options.set_size);
+ printf("Set type : %d\n", options.set_type);
+ printf("Set : %s\n", options.set);
+ }
+
+ // TODO(jake): Maybe bundle this stuff up? including the resized stuff?
+ int width, height;
+ int channels = 1;
+ uint8 *image_bytes = stbi_load(options.in_file,&width, &height, NULL, channels);
+
+ if (!image_bytes) {
+ fprintf(stderr, "Couldn't Open file %s\n", options.in_file);
+ exit(69);
+ }
+
+ int nw = width / options.scale;
+ int nh = height / options.scale;
+ bool resized = false;
+ uint8 *resized_bytes;
+
+ if (options.scale > 1) {
+ int stride = 0;
+ resized = true;
+ resized_bytes = malloc(sizeof(uint8) * (nw * nh));
+ if (!stbir_resize_uint8(image_bytes, width, height, stride,
+ resized_bytes, nw, nh, stride, channels)) // only resizes if the scale is greater than 1
+ {
+ printf("Couldn't Resize Image\n");
+ exit(69);
+ }
+ } else {
+ resized_bytes = image_bytes;
+ }
+
+ FILE *f = NULL;
+ if (strncmp(options.out_file, "", BUF_CAP)) {
+ f = fopen(options.out_file, "w");
if (f == NULL) {
printf("Couldnt't create output file '%s'\n", options.out_file);
exit(69);
}
- } else {
- f = stdout;
- }
-
- for (size_t i = 0;
- i < nw * nh;
- ++i)
- {
- int map_result = map(resized_bytes[i], 0, 255, 0, options.set_size - 1);
- int idx = (options.set_size - 1) - map_result;
-
- if (i % nw == 0) {
- fprintf(f, "\n");
- }
-
- fprintf(f, "%c", options.set[idx]);
- }
- fprintf(f, "\n");
-
- if (!(f == NULL || f == stdout)) {
- fclose(f);
- }
-
- if (image_bytes) {
- stbi_image_free(image_bytes);
- }
-
- if (resized_bytes && resized) {
- stbi_image_free(resized_bytes);
- }
-
- return 0;
+ } else {
+ f = stdout;
+ }
+
+ for (size_t i = 0; i < nw * nh; ++i) {
+ int map_result = map(resized_bytes[i], 0, 255, 0, options.set_size - 1);
+ int idx = (options.set_size - 1) - map_result;
+
+ if (i % nw == 0) {
+ fprintf(f, "\n");
+ }
+
+ fprintf(f, "%c", options.set[idx]);
+ }
+ fprintf(f, "\n");
+
+ if (!(f == NULL || f == stdout))
+ fclose(f);
+
+ if (image_bytes)
+ stbi_image_free(image_bytes);
+
+ if (resized_bytes && resized)
+ stbi_image_free(resized_bytes);
+
+ return 0;
}
