Huang Xin
38 lines
1.3 KiB
TypeScript
38 lines
1.3 KiB
TypeScript
import { HIGHLIGHT_COLOR_HEX } from '@/services/constants';
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import { HighlightColor } from '@/types/book';
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import { SystemSettings } from '@/types/settings';
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import { Point } from '@/utils/sel';
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export const getHighlightColorHex = (
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settings: SystemSettings,
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color?: HighlightColor,
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): string | undefined => {
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if (!color) return undefined;
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if (color.startsWith('#')) return color;
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const customColors = settings.globalReadSettings.customHighlightColors;
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return customColors?.[color] ?? HIGHLIGHT_COLOR_HEX[color];
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};
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export function getExternalDragHandle(
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currentStart: Point,
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currentEnd: Point,
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externalDragPoint?: Point | null,
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): 'start' | 'end' | null {
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if (!externalDragPoint) return null;
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const distToStart = Math.hypot(
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externalDragPoint.x - currentStart.x,
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externalDragPoint.y - currentStart.y,
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);
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const distToEnd = Math.hypot(
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externalDragPoint.x - currentEnd.x,
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externalDragPoint.y - currentEnd.y,
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);
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return distToStart < distToEnd ? 'start' : 'end';
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}
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export function toParentViewportPoint(doc: Document, x: number, y: number): Point {
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const frameElement = doc.defaultView?.frameElement;
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const frameRect = frameElement?.getBoundingClientRect() ?? { top: 0, left: 0 };
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return { x: x + frameRect.left, y: y + frameRect.top };
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}
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