@tsparticles/shape-image
Version:
tsParticles image shape
88 lines (87 loc) • 3.1 kB
JavaScript
import { errorPrefix, getLogger, getStyleFromHsl } from "@tsparticles/engine";
const stringStart = 0, defaultOpacity = 1;
const currentColorRegex = /(#(?:[0-9a-f]{2}){2,4}|(#[0-9a-f]{3})|(rgb|hsl)a?\((-?\d+%?[,\s]+){2,3}\s*[\d.]+%?\))|currentcolor/gi;
function replaceColorSvg(imageShape, color, opacity) {
const { svgData } = imageShape;
if (!svgData) {
return "";
}
const colorStyle = getStyleFromHsl(color, opacity);
if (svgData.includes("fill")) {
return svgData.replace(currentColorRegex, () => colorStyle);
}
const preFillIndex = svgData.indexOf(">");
return `${svgData.substring(stringStart, preFillIndex)} fill="${colorStyle}"${svgData.substring(preFillIndex)}`;
}
export async function loadImage(image) {
return new Promise((resolve) => {
image.loading = true;
const img = new Image();
image.element = img;
img.addEventListener("load", () => {
image.loading = false;
resolve();
});
img.addEventListener("error", () => {
image.element = undefined;
image.error = true;
image.loading = false;
getLogger().error(`${errorPrefix} loading image: ${image.source}`);
resolve();
});
img.src = image.source;
});
}
export async function downloadSvgImage(image) {
if (image.type !== "svg") {
await loadImage(image);
return;
}
image.loading = true;
const response = await fetch(image.source);
if (!response.ok) {
getLogger().error(`${errorPrefix} Image not found`);
image.error = true;
}
else {
image.svgData = await response.text();
}
image.loading = false;
}
export function replaceImageColor(image, imageData, color, particle) {
const svgColoredData = replaceColorSvg(image, color, particle.opacity?.value ?? defaultOpacity), imageRes = {
color,
gif: imageData.gif,
data: {
...image,
svgData: svgColoredData,
},
loaded: false,
ratio: imageData.width / imageData.height,
replaceColor: imageData.replaceColor,
source: imageData.src,
};
return new Promise(resolve => {
const svg = new Blob([svgColoredData], { type: "image/svg+xml" }), domUrl = URL || window.URL || window.webkitURL || window, url = domUrl.createObjectURL(svg), img = new Image();
img.addEventListener("load", () => {
imageRes.loaded = true;
imageRes.element = img;
resolve(imageRes);
domUrl.revokeObjectURL(url);
});
const errorHandler = async () => {
domUrl.revokeObjectURL(url);
const img2 = {
...image,
error: false,
loading: true,
};
await loadImage(img2);
imageRes.loaded = true;
imageRes.element = img2.element;
resolve(imageRes);
};
img.addEventListener("error", () => void errorHandler());
img.src = url;
});
}