pdf-visual-diff/lib/conversions/conversions.js

Visual Regression Testing for PDFs in JavaScript

"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
exports.convertFromMmToPx = convertFromMmToPx;
exports.convertFromPxToMm = convertFromPxToMm;
/**
 * Converts a size from millimeters to pixels based on the provided DPI (dots per inch).
 *
 * @param sizeMm - The size in millimeters.
 * @param dpi - The dots per inch (DPI) for the conversion.
 * @returns The size in pixels.
 */
function convertFromMmToPx(sizeMm, dpi) {
    if (sizeMm <= 0 || dpi <= 0) {
        return 0;
    }
    const sizeInch = sizeMm / 25.4;
    return Math.round(sizeInch * dpi);
}
/**
 * Converts a size from pixels to millimeters based on the provided DPI (dots per inch).
 *
 * @param sizePx - The size in pixels.
 * @param dpi - The dots per inch (DPI) for the conversion.
 * @returns The size in millimeters.
 */
function convertFromPxToMm(sizePx, dpi) {
    if (sizePx <= 0 || dpi <= 0) {
        return 0;
    }
    const sizeInch = sizePx / dpi;
    return Math.round(sizeInch * 25.4);
}
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