100 lines
2.6 KiB
C
100 lines
2.6 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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// BEWARE RICERS
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// If you add extra colors make sure to
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// a) Add it to the color enum
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// b) Add the case to the switch statement in the genColors function
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// c) Update the COLORS definition with the new amount of colors
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// FORMAT
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// #define COLOR "R;G;B"
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#define RED "193;71;87"
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#define ORANGE "193;116;71"
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#define YELLOW "193;177;71"
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#define GREEN "149;193;71"
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#define CYAN "71;193;161"
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#define BLUE "71;165;193"
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#define PURPLE "155;71;193"
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#define PINK "193;71;153"
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#define COLORS 8
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enum color {
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red,orange,yellow,green,cyan,blue,purple,pink
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};
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#define addcase(enum, defin)\
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case enum:\
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cstr = "\e[38;2;"defin"m";\
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break;
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unsigned long long t = 0;
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void genColors(char *s) {
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char *cstr = malloc(20 * sizeof(char));
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for (int i = 0; i < strlen(s); i++) {
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enum color c = (((t + i) / CONF_COLOR_LAG) % COLORS);
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switch (c) {
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//addcase(enum value, #define name)
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addcase(red, RED);
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addcase(orange, ORANGE);
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addcase(yellow, YELLOW);
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addcase(green, GREEN);
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addcase(cyan, CYAN);
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addcase(blue, BLUE);
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addcase(purple, PURPLE);
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addcase(pink, PINK);
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}
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printf("%s%c",cstr,s[i]);
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}
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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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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 = malloc(1024 * sizeof(char));
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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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printf("\e[0m");
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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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