@aplus-frontend/antdv
Version:
Vue basic component library maintained based on ant-design-vue
30 lines • 1.2 kB
JavaScript
/** converting camel-cased strings to be lowercase and link it with Separato */
export function toLowercaseSeparator(key) {
return key.replace(/([A-Z])/g, '-$1').toLowerCase();
}
export function getStyleStr(style) {
return Object.keys(style).map(key => `${toLowercaseSeparator(key)}: ${style[key]};`).join(' ');
}
/** Returns the ratio of the device's physical pixel resolution to the css pixel resolution */
export function getPixelRatio() {
return window.devicePixelRatio || 1;
}
/** Rotate with the watermark as the center point */
export function rotateWatermark(ctx, rotateX, rotateY, rotate) {
ctx.translate(rotateX, rotateY);
ctx.rotate(Math.PI / 180 * Number(rotate));
ctx.translate(-rotateX, -rotateY);
}
/** Whether to re-render the watermark */
export const reRendering = (mutation, watermarkElement) => {
let flag = false;
// Whether to delete the watermark node
if (mutation.removedNodes.length) {
flag = Array.from(mutation.removedNodes).some(node => node === watermarkElement);
}
// Whether the watermark dom property value has been modified
if (mutation.type === 'attributes' && mutation.target === watermarkElement) {
flag = true;
}
return flag;
};