68 lines
2.0 KiB
TypeScript
68 lines
2.0 KiB
TypeScript
import Profile from "./models/profile.ts";
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import { checkFileExists, getImageMagickCommand, runCommand } from "./utils.ts";
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import { log } from "./log.ts";
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const tmpImgDir = "/tmp/substr/img";
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const magick = await getImageMagickCommand();
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if (!magick) {
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log("ImageMagick is not installed. Cannot generate preview images", "yellow")
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}
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function createRoundedImage(profile: Profile) {
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if (!magick || !profile.picture) return false;
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const args = [
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profile.picture,
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'-resize', '256x256',
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'(', '+clone', '-alpha', 'extract',
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'-draw', "fill black polygon 0,0 0,128 128,0 fill white circle 128,128 128,0",
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'(', '+clone', '-flip', ')', '-compose', 'Multiply', '-composite',
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'(', '+clone', '-flop', ')', '-compose', 'Multiply', '-composite',
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')',
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'-alpha', 'off',
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'-compose', 'CopyOpacity',
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'-composite',
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`${tmpImgDir}/p-${profile.event.id}-rounded.png`
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];
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return runCommand(magick, args);
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}
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async function createOgImage(profile: Profile, ogImagePath: string, backgroundColor: string) {
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if (!magick) return false;
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const status = await createRoundedImage(profile);
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if (status && status.success) {
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const args = [
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`${tmpImgDir}/p-${profile.event.id}-rounded.png`,
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'-resize', '256x256',
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'-background', backgroundColor,
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'-gravity', 'center',
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'-extent', '1200x630',
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'-size', '1200x630',
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"-format", "png",
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ogImagePath
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];
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return runCommand(magick, args);
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}
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};
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export async function generateOgProfileImage(profile: Profile) {
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if (!magick || !profile.picture) return false;
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const ogImagePath = `${tmpImgDir}/og-p-${profile.event.id}.png`;
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const backgroundColor = "#333333";
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const fileExists = await checkFileExists(ogImagePath);
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if (!fileExists) {
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const status = await createOgImage(profile, ogImagePath, backgroundColor);
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if (status && status.success) {
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log(`Created OG image for ${profile.username}: ${ogImagePath}`, "blue")
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} else {
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log(`Could not create OG image for ${profile.username}`, "yellow")
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}
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}
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}
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