81 lines
2.1 KiB
C
81 lines
2.1 KiB
C
/*
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Rainbow Text (rbtext)
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$ gcc -o rbtext rbtext.c
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Created by Seelenlos <samoyo@protonmail.com>
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NO WARRANTY OF ANY KIND.
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NO LIABILITY TO CREATOR FOR ANY TYPE OF DAMAGE.
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I DON'T CARE HOW YOU USE OR CONFIGURE THIS PROGRAM.
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*/
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#include <stdio.h>
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#include <stdlib.h>
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#include <memory.h>
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#include <unistd.h>
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// How many milliseconds the program will wait until the next print ( DEFAULT = 100 )
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#define CONF_SLEEP_TIMEMS 100
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// How many times a color should be shown before switching to the next ( DEFAULT = 2 )
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#define CONF_COLOR_LAG 2
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// RICERS:
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// To add colors, simply add the color (according to the format below) to COLORS
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// FORMAT: "R;G;B",
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const char *COLORS[] = {
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"193;71;87", // RED
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"193;116;71", // ORANGE
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"193;177;71", // YELLOW
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"149;193;71", // GREEN
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"71;193;161", // CYAN
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"71;165;193", // BLUE
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"155;71;193", // PURPLE
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"193;71;153", // PINK
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};
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unsigned long long t = 0;
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void genColors(char *s) {
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char *cstr = (char *)malloc(20 * sizeof(char) + 1);
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for (unsigned long i = 0; i < strlen(s); i++) {
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unsigned long c = (((t + i) / CONF_COLOR_LAG) % (sizeof(COLORS) / sizeof(char *)));
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snprintf(cstr, 20 * sizeof(char), "\e[38;2;%sm", COLORS[c]);
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printf("%s%c\e[0m",cstr,s[i]);
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}
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free(cstr);
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}
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int main(int carg, char **varg) {
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if (carg < 2) {
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// [ERROR] No arguments given. USAGE: ... <text>
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printf("\e[1;31m[ERROR]\e[0m No arguments given.\n\tUSAGE: \e[34m%s \e[33m<text>\e[0m\n",varg[0]);
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return 1;
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}
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char *text = (char *)malloc(1024 * sizeof(char) + 1);
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// Similar to pythons str.join(' ') method
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// Adds all the arguments together with spaces seperating them
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// EG: ./rbtext hello world > "hello world"
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for (int i = 1, j = 0; i < carg; i++) {
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for (int k = 0; k < strlen(varg[i]); k++, j++) {
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text[j] = varg[i][k];
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}
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text[j] = ' ';
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j++;
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}
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while (1) {
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printf("\r\e[2K");
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genColors(text);
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fflush(stdout);
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usleep(CONF_SLEEP_TIMEMS*1000);
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t += 1;
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}
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return 0;
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}
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