81 lines
2.5 KiB
JavaScript
81 lines
2.5 KiB
JavaScript
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#!/usr/bin/env nodejsscript
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/* jshint esversion: 11,-W097, -W040, module: true, node: true, expr: true, undef: true *//* global echo, $, pipe, s, fetch, cyclicLoop */
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$.api("")
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.version("2023-08-11")
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.command("textInImage [file]", "Generovat obrázek s textem pro sdílení na sociálních sítích.")
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.alias("tii")
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.option("--pointsize", "Text size", "62")
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.option("--gravity", "`convert -list gravity`", "Center")
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.option("--text", "Text")
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.action(textInImage)
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.command("textSplit <file>", "Rozdělit text dle zadaného limitu.")
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.alias("ts")
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.option("--limit", "Počet znaků kde text rozdělovat.", 500)
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.option("--counter", "Prepend counter, set no. of chars of counter.", 5)
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.option("--text", "Text")
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.action(textSplit)
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.parse();
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function textSplit(file, { limit, counter, text }){
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limit= parseInt(limit) - parseInt(counter);
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const words= getText(file, text).split(" ");
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let buffer= [], i= -1, chars= limit;
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for(const word of words){
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const { length }= word;
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if((chars+length) < limit){
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chars+= ( is_empty ? 0 : 1 ) + length;
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buffer[i].end= i;
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continue;
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}
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chars= 0;
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i+= 1;
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buffer[i]= { start: i };
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}
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const { length }= buffer;
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echo(buffer.map(function({ start, end }, i){
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return (i+1)+"/"+length+" "+words.slice(start, end).join(" ");
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}).join("\n============\n"));
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$.exit(0);
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}
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function textInImage(file, { text, gravity, pointsize }){
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text= getText(file, text);
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const output= !file ? "textInImage.png" : (({ pathname: p })=> p.slice(1, p.lastIndexOf(".")+1)+"png")(new URL(file, "file://"));
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const round_corners= [ //https://9to5answer.com/rounding-corners-of-pictures-with-imagemagick
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"\\(",
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"+clone -alpha extract",
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"-draw 'fill black polygon 0,0 0,15 15,0 fill white circle 15,15 15,0'",
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"\\( +clone -flip \\) -compose Multiply -composite",
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"\\( +clone -flop \\) -compose Multiply -composite",
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"\\) -alpha off -compose CopyOpacity -composite",
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].join(" ");
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s.run([
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"convert",
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"\\(",
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"-size ::size::",
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"-pointsize ::pointsize::",
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"-fill ::fill:: -background ::background::",
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"-gravity ::gravity::",
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"-family ::family:: -weight Bold",
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"-bordercolor ::background:: -border 5%",
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"caption:::text::",
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"\\)",
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round_corners,
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"::output::"
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].join(" "), {
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fill: "whitesmoke",
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background: "#2b2b2b",
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size: "1024x512",
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family: "Ubuntu Mono",
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output, text, gravity, pointsize
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});
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$.exit(0);
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}
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function getText(file, text){
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if(file && s.test("-f", file))
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return s.cat(file).toString();
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if(!text)
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return $.stdin.text().trim();
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return text;
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}
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