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dotfiles/.bauke/scripts/project-avatar.ts

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import { Command } from "./dependencies.ts";
import { pathExists, runCommand } from "./utilities.ts";
async function main(): Promise<void> {
const { args, options } = await new Command()
.name("project-avatar")
.description("Project Avatar Generator")
.arguments("<file:file> <text:string>")
.option("--width <width:number>", "The width of the image.", {
default: 256,
})
.option("--height <height:number>", "The height of the image.", {
default: 256,
})
.option("--font-size <font-size:number>", "Font size for the text.", {
default: 150,
})
.option("--overwrite", "Overwrite an existing image.")
.option("--clean", "Use MAT2 to clean the image.")
.parse(Deno.args);
const [file, text] = args;
if (await pathExists(file)) {
if (options.overwrite) {
await Deno.remove(file);
} else {
console.log("File exists, use --overwrite to overwrite.");
Deno.exit(1);
}
}
await runCommand("gegl", {
args: [
"-o",
file,
"--",
...geglGraph({
fontSize: options.fontSize,
height: options.height,
text,
width: options.width,
}),
],
});
if (!await pathExists(file)) {
console.log("Something went wrong with GEGL.");
Deno.exit(1);
}
await runCommand("convert", {
args: [
file,
"-background",
"transparent",
"-gravity",
"center",
"-extent",
`${options.width}x${options.height}`,
file,
],
});
if (options.clean) {
await runCommand("mat2", { args: ["--inplace", file] });
}
}
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/** Customizable options for the GEGL graph. */
type GraphOptions = {
fontSize: number;
height: number;
text: string;
width: number;
};
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/** Create the GEGL graph for the project avatar image. */
function geglGraph({ fontSize, height, text, width }: GraphOptions): string[] {
const graph = `
gegl:text
string=${text}
width=${width}
height=${height}
color=white
font=Inter Heavy
size=${fontSize}
alignment=1
vertical-alignment=1
gegl:dropshadow
x=0
y=0
color=black
opacity=1
grow-radius=4
radius=0
gegl:long-shadow
angle=90
color=black
length=20`;
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// Replace duplicate whitespace with newlines and then split by those newlines.
return graph.replace(/\s\s+/g, "\n").trim().split("\n");
}
if (import.meta.main) {
void main();
}