/** converting camel-cased strings to be lowercase and link it with Separato */ export function toLowercaseSeparator(key: string) { return key.replace(/([A-Z])/g, '-$1').toLowerCase(); } export function getStyleStr(style: React.CSSProperties): string { return Object.keys(style) .map((key: keyof React.CSSProperties) => `${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: CanvasRenderingContext2D, rotateX: number, rotateY: number, rotate: number, ) { ctx.translate(rotateX, rotateY); ctx.rotate((Math.PI / 180) * Number(rotate)); ctx.translate(-rotateX, -rotateY); }