pdflib-syntax-text

To position text correctly in pdf-lib, calculate the y coordinate based on the page height, since the PDF coordinate system originates from the bottom-left. This Skill provides patterns for manual text placement using drawText with accurate x and y values.

You can measure text in pdf-lib using utilities like widthOfTextAtSize, heightAtSize, and sizeAtHeight. These functions enable precise centering, right-alignment, and wrapping calculations by returning exact text dimensions at a given font size.

pdf-lib supports multiline text wrapping and custom line height through drawText options like lineHeight, maxWidth, and wordBreaks. This allows you to render multiline blocks of text that automatically wrap within a defined width constraint.

Text appears upside down or misplaced in pdf-lib when the bottom-left coordinate origin is not accounted for. You must adjust the y coordinate relative to the page height to ensure correct manual text placement on the PDF page.

You need to embed a custom font before drawing text on a PDF page in pdf-lib. This Skill enforces using embedded fonts to ensure accurate text measurement and rendering across different platforms and environments.

The best way to maintain consistent font styling across multiple PDF pages is using page-default methods like setFont, setFontSize, setFontColor, and setLineHeight. These reusable patterns provide default styling for all subsequent drawText operations.