43 lines
1.9 KiB
JavaScript
43 lines
1.9 KiB
JavaScript
const { spawn } = require('child_process');
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const crypto = require('crypto');
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const fs = require('fs');
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const { Card } = require('../models');
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//TODO: Handle missing images
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module.exports = {
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name: "Compositing",
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renderProfile: async function(profile, background, renderedCards) {
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let hash = crypto.createHash('md5').update(JSON.stringify(profile) + background).digest('hex');
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let outFile = `/app/assets/image_cache/profiles/${hash}.gif`;
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console.log('Rendering profile to ' + outFile);
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//composite {overlay} {background} [{mask}] [-compose {method}] {result}
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let args = ['png:-', 'null:',
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'\(', `${renderedCards[0]}`, '-coalesce', '\)',
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'-geometry', '+25+85', '-compose', 'over', '-layers', 'composite',
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'null:', '\(', `${renderedCards[1]}`, '-coalesce', '-resize', '170x283', '\)',
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'-geometry', '+350+300', '-compose', 'over', '-layers', 'composite',
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'null:', '\(', `${renderedCards[2]}`, '-coalesce', '-resize', '170x283', '\)',
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'-geometry', '+535+300', '-compose', 'over', '-layers', 'composite',
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'null:', '\(', `${renderedCards[3]}`, '-coalesce', '-resize', '170x283', '\)',
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'-geometry', '+720+300', '-compose', 'over', '-layers', 'composite',
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'-layers', 'optimize', outFile];
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console.log('GM Args: ' + args);
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const composite = spawn('convert', args);
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composite.stdin.write(background);
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composite.stdin.end();
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composite.stderr.on('data', (data) => {
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console.log(`stdout: ${data}`);
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});
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const exitCode = await new Promise( (resolve, reject) => {
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composite.on('close', resolve);
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})
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return outFile;
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}
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}
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