Added ability to right click and copy serialised svg for copy and pasting

This commit is contained in:
Peter Edmond 2025-05-13 23:52:53 +01:00
parent 6e64bd6f6e
commit 7a07ffebe4

50
savesvg.js Normal file
View File

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function inlineStyles(svgElement) {
const allElements = svgElement.querySelectorAll('*');
const computedStyles = window.getComputedStyle(svgElement);
// Apply style to root SVG element
svgElement.setAttribute("style", computedStyles.cssText || "");
// Recursively apply computed styles to each element
allElements.forEach(el => {
const computed = window.getComputedStyle(el);
let inline = '';
for (let i = 0; i < computed.length; i++) {
const key = computed[i];
const value = computed.getPropertyValue(key);
inline += `${key}:${value};`;
}
el.setAttribute('style', inline);
});
}
function makeSvgRightClickable(id) {
const svg = document.getElementById(id);
inlineStyles(svg);
// Ensure SVG has proper namespace
svg.setAttribute("xmlns", "http://www.w3.org/2000/svg");
// Serialize SVG
const svgData = new XMLSerializer().serializeToString(svg);
const svgBlob = new Blob([svgData], { type: "image/svg+xml;charset=utf-8" });
const url = URL.createObjectURL(svgBlob);
// Create image element
const img = document.createElement("img");
img.src = url;
img.width = svg.width.baseVal.value;
img.height = svg.height.baseVal.value;
img.alt = "Right-click to save SVG image";
// Replace or insert after SVG
svg.style.display = "none"; // hide original
svg.parentNode.insertBefore(img, svg.nextSibling);
}
// Call the function after D3 has drawn the SVG
//makeSvgRightClickable("id");