Page sizes and frames

import {
  pageSize,
  formatsIn,
  sizeMatchesFormat,
  sheetFrameFor,
  sheetFrameGeometry,
  PAGE_SPECS,
  PAGE_FAMILY,
} from '@opengeometry/floorkit';

import { pageSize, sizeMatchesFormat } from '@opengeometry/floorkit';

const portrait = pageSize('A4', 'portrait'); // 210 × 297 mm
const landscape = pageSize('A3', 'landscape'); // 420 × 297 mm
console.log(sizeMatchesFormat('A3', 'landscape', landscape)); // true

function pageSize(format: Exclude<PageFormat, 'Custom'>, orientation: PageOrientation): PageSize;

function formatsIn(family: PageFamily): Exclude<PageFormat, 'Custom'>[];

function sizeMatchesFormat(
  format: PageFormat,
  orientation: PageOrientation,
  size: PageSize,
  toleranceMm?: number,
): boolean;

function sheetFrameFor(page: PageSpec): SheetFrame;

function sheetFrameGeometry(
  frame: SheetFrame,
  page: PageSpec,
): {
  lines: VectorLine[];
  texts: VectorText[];
};

const PAGE_SPECS: Record<Exclude<PageFormat, 'Custom'>, PageSize>;

const PAGE_FAMILY: Record<Exclude<PageFormat, 'Custom'>, PageFamily>;

type PageFormat =
  | 'A0'
  | 'A1'
  | 'A2'
  | 'A3'
  | 'A4'
  | 'A5'
  | 'A6'
  | 'B0'
  | 'B1'
  | 'B2'
  | 'B3'
  | 'B4'
  | 'B5'
  | 'ANSI_A'
  | 'ANSI_B'
  | 'ANSI_C'
  | 'ANSI_D'
  | 'ANSI_E'
  | 'ARCH_A'
  | 'ARCH_B'
  | 'ARCH_C'
  | 'ARCH_D'
  | 'ARCH_E'
  | 'ARCH_E1'
  | 'Letter'
  | 'Legal'
  | 'Tabloid'
  | 'Custom';

type PageOrientation = 'portrait' | 'landscape';

interface PageSize {
  width: number;
  height: number;
}

type PageFamily = 'ISO-A' | 'ISO-B' | 'ANSI' | 'ARCH' | 'US';

interface SheetFrame {
  margins: SheetMargins;
  inner: FrameRect;
  drawBorder: boolean;
  centringMarks: boolean;
  zones?: SheetZones;
}

interface SheetMargins {
  left: number;
  top: number;
  right: number;
  bottom: number;
}

interface FrameRect {
  x: number;
  y: number;
  width: number;
  height: number;
}

interface SheetZones {
  columns: number;
  rows: number;
  bandMm: number;
}