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Set Page Boxes

Set page boxes before writing the page to define the PDF media, crop, bleed, trim, or art area. Every box is [left, bottom, right, top] in low-level PDF coordinates.

Recipe uses the ePDFPageBox* constants and PDF bottom-left coordinates for this method, even though its drawing methods use top-left coordinates. Set boxes after createPage() and before endPage():

var muhammara = require("@muhammara/native");
var Recipe = muhammara.Recipe;
var pdfDoc = new Recipe("new", "page-boxes.pdf");

pdfDoc
  .createPage(595, 842)
  .setPageBox(muhammara.ePDFPageBoxMediaBox, 0, 0, 595, 842)
  .setPageBox(muhammara.ePDFPageBoxCropBox, 18, 18, 577, 824)
  .setPageBox(muhammara.ePDFPageBoxBleedBox, 0, 0, 595, 842)
  .setPageBox(muhammara.ePDFPageBoxTrimBox, 18, 18, 577, 824)
  .setPageBox(muhammara.ePDFPageBoxArtBox, 36, 36, 559, 806)
  .endPage()
  .endPDF();

var page = pdfWriter.createPage();

page.mediaBox = [0, 0, 595, 842];
page.cropBox = [18, 18, 577, 824];
page.bleedBox = [0, 0, 595, 842];
page.trimBox = [18, 18, 577, 824];

pdfWriter.writePage(page);

artBox is available for an application-defined content region. Unset optional boxes are undefined. These workflows cover newly created pages; resizing an existing page and preserving its annotations require separate verification.