jjimenez/safekat
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fix preview download

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This commit is contained in:
amazuecos
2025-03-25 18:51:44 +01:00
parent 8caa6e8bab
commit 43dd04a0a2
1 changed files with 9 additions and 7 deletions
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16
httpdocs/assets/js/safekat/pages/presupuestoCliente/resumen.js
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@ -379,27 +379,29 @@ class Resumen {
let parentDiv = $(event.currentTarget).parent().parent();
let shapeSvgElQuery = $(parentDiv).find("svg");
let shapeSvgEl = shapeSvgElQuery[0];
console.log(shapeSvgEl)
const filename = shapeSvgElQuery.parent().attr("id") ?? "image"
const serializer = new XMLSerializer();
const svgData = serializer.serializeToString(shapeSvgEl);
const svgBlob = new Blob([svgData], { type: 'image/svg+xml;charset=utf-8' });
const svgUrl = URL.createObjectURL(svgBlob);
const img = new Image();
const img = new Image(shapeSvgEl.getBoundingClientRect().width,shapeSvgEl.getBoundingClientRect().height);
img.onload = () => {
const scaleFactor = 3; // Increase resolution (e.g., 2x, 3x)
const canvas = document.createElement('canvas');
canvas.width = img.width;
canvas.height = img.height;
// Scale canvas for high resolution
const width = img.naturalWidth || img.width;
const height = img.naturalHeight || img.height;
canvas.width = width * scaleFactor;
canvas.height = height * scaleFactor;
const ctx = canvas.getContext('2d');
ctx.drawImage(img, 0, 0);
ctx.scale(scaleFactor, scaleFactor);
ctx.drawImage(img, 0,0,width,height);
const pngUrl = canvas.toDataURL('image/png');
const downloadLink = document.createElement('a');
downloadLink.href = pngUrl;
downloadLink.download = filename ?? '.png';
document.body.appendChild(downloadLink);
downloadLink.click();
document.body.removeChild(downloadLink);
URL.revokeObjectURL(svgUrl);
};