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ec76041584
* chore: watermark add utils * feat: Support watermark interleaved layout * docs: add watermark docs * docs: add watermark demo * test: add watermark test * test: add watermark snapshot * feat: The watermark is staggered by default
28 lines
868 B
TypeScript
28 lines
868 B
TypeScript
/** converting camel-cased strings to be lowercase and link it with Separato */
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export function toLowercaseSeparator(key: string) {
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return key.replace(/([A-Z])/g, '-$1').toLowerCase();
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}
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export function getStyleStr(style: React.CSSProperties): string {
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return Object.keys(style)
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.map((key: keyof React.CSSProperties) => `${toLowercaseSeparator(key)}: ${style[key]};`)
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.join(' ');
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}
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/** Returns the ratio of the device's physical pixel resolution to the css pixel resolution */
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export function getPixelRatio() {
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return window.devicePixelRatio || 1;
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}
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/** Rotate with the watermark as the center point */
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export function rotateWatermark(
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ctx: CanvasRenderingContext2D,
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rotateX: number,
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rotateY: number,
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rotate: number,
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) {
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ctx.translate(rotateX, rotateY);
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ctx.rotate((Math.PI / 180) * Number(rotate));
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ctx.translate(-rotateX, -rotateY);
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}
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