21 lines
1.7 KiB
JavaScript
21 lines
1.7 KiB
JavaScript
import puppeteer from 'puppeteer';
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import sharp from 'sharp';
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const b = await puppeteer.launch({ args:['--no-sandbox','--disable-setuid-sandbox','--use-gl=angle','--enable-unsafe-swiftshader','--ignore-gpu-blocklist'] });
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const p = await b.newPage();
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await p.setViewport({width:1100,height:1300});
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await p.goto('http://10.200.201.3:4175/_lab/neu-card.html',{waitUntil:'load',timeout:60000});
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await new Promise(r=>setTimeout(r,1200));
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// прокрутим ровно к карточке через window.scrollTo по абсолютному смещению
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const top = await p.evaluate(()=>{ const r=document.querySelector('[data-shader-demo]').getBoundingClientRect(); return r.top+window.scrollY; });
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await p.evaluate((t)=>window.scrollTo(0, t-200), top);
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await new Promise(r=>setTimeout(r,900));
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await p.screenshot({path:'/tmp/full2.png'});
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const {data,info}=await sharp('/tmp/full2.png').raw().toBuffer({resolveWithObject:true});
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const rect = await p.evaluate(()=>{ const r=document.querySelector('[data-shader-demo]').getBoundingClientRect(); return {x:r.x,y:r.y,w:r.width,h:r.height}; });
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const x0=Math.max(0,Math.floor(rect.x+20)), y0=Math.max(0,Math.floor(rect.y+20));
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const x1=Math.min(info.width,Math.floor(rect.x+rect.w-20)), y1=Math.min(info.height,Math.floor(rect.y+rect.h-20));
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let rs=0,gs=0,bs=0,n=0; const cols=new Set();
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if(x1>x0&&y1>y0){ for(let y=y0;y<y1;y+=2){ for(let x=x0;x<x1;x+=2){ const i=(y*info.width+x)*3; rs+=data[i];gs+=data[i+1];bs+=data[i+2]; cols.add(`${data[i]>>5},${data[i+1]>>5},${data[i+2]>>5}`); n++; } } }
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console.log('region avg', n?[Math.round(rs/n),Math.round(gs/n),Math.round(bs/n)]:'empty', 'distinct', cols.size, 'rect', rect, 'imgsize', info.width+'x'+info.height);
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await b.close();
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