/**
* Constants for PDF generation.
*
* Page sizes are in points (72 points = 1 inch).
*/
/**
* Standard page size presets.
*/
export const PAGE_SIZES = {
/** US Letter: 8.5" × 11" */
LETTER: { width: 612, height: 792 },
/** ISO A4: 210mm × 297mm */
A4: { width: 595, height: 842 },
/** US Legal: 8.5" × 14" */
LEGAL: { width: 612, height: 1008 },
} as const;
export type PageSizePreset = keyof typeof PAGE_SIZES;
export type PageSize = { width: number; height: number };
/**
* Default page size (US Letter).
*/
export const DEFAULT_PAGE_SIZE = PAGE_SIZES.LETTER;
/**
* Margin type used across PDF tools.
*/
export type Margins = {
top: number;
bottom: number;
left: number;
right: number;
};
/**
* Default margins by page size for general PDF documents.
* Based on standard document conventions for each paper size.
*/
export const DEFAULT_MARGINS_BY_SIZE: Record<PageSizePreset, Margins> = {
/** LETTER: 1 inch (72pt) all sides - US standard */
LETTER: { top: 72, bottom: 72, left: 72, right: 72 },
/** A4: 2.5cm (~71pt) top/bottom, 2cm (~57pt) left/right - ISO standard */
A4: { top: 71, bottom: 71, left: 57, right: 57 },
/** LEGAL: 1 inch (72pt) all sides - same as LETTER */
LEGAL: { top: 72, bottom: 72, left: 72, right: 72 },
} as const;
/**
* Get default margins for a page size.
*/
export function getDefaultMargins(size: PageSizePreset = 'LETTER'): Margins {
return DEFAULT_MARGINS_BY_SIZE[size];
}
/**
* Default margin for general PDF documents (1 inch = 72 points).
* @deprecated Use getDefaultMargins(size) instead for page-size-appropriate defaults.
*/
export const DEFAULT_MARGIN = 72;
/**
* Default margins for resume documents.
* Intentionally tighter than standard 1-inch margins to fit more content.
* top/bottom: 50pt (~0.69"), left/right: 54pt (~0.75")
*/
export const RESUME_DEFAULT_MARGINS: Margins = {
top: 50,
right: 54,
bottom: 50,
left: 54,
};
/**
* Epsilon tolerance for floating-point comparisons in text wrapping.
* Half a point provides reasonable precision while avoiding floating-point edge cases.
*/
export const WRAP_EPSILON = 0.5;
/**
* Default font sizes for content rendering.
*/
export const DEFAULT_TEXT_FONT_SIZE = 12;
export const DEFAULT_HEADING_FONT_SIZE = 24;
